release 0.11.1 with new line so goreleaser doesn't fail :)

- Temp disable docker workflow bc image was already build

.github/DISCUSSION_TEMPLATE/support.yml

@@ -0,0 +1,61 @@
+body:
+  - type: markdown
+    attributes:
+      value: |
+        ### Before opening a discussion:
+
+        - Check the [common issues guide](https://beszel.dev/guide/common-issues).
+        - Search existing [issues](https://github.com/henrygd/beszel/issues) and [discussions](https://github.com/henrygd/beszel/discussions) (including closed).
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: A clear and concise description of the issue or question. If applicable, add screenshots to help explain your problem.
+    validations:
+      required: true
+  - type: input
+    id: system
+    attributes:
+      label: OS / Architecture
+      placeholder: linux/amd64 (agent), freebsd/arm64 (hub)
+    validations:
+      required: true
+  - type: input
+    id: version
+    attributes:
+      label: Beszel version
+      placeholder: 0.9.1
+    validations:
+      required: true
+  - type: dropdown
+    id: install-method
+    attributes:
+      label: Installation method
+      options:
+        - Docker
+        - Binary
+        - Nix
+        - Unraid
+        - Coolify
+        - Other (please describe above)
+    validations:
+      required: true
+  - type: textarea
+    id: config
+    attributes:
+      label: Configuration
+      description: Please provide any relevant service configuration
+      render: yaml
+  - type: textarea
+    id: hub-logs
+    attributes:
+      label: Hub Logs
+      description: Check the logs page in PocketBase (`/_/#/logs`) for relevant errors (copy JSON).
+      render: json
+  - type: textarea
+    id: agent-logs
+    attributes:
+      label: Agent Logs
+      description: Please provide any logs from the agent, if relevant. Use `LOG_LEVEL=debug` for more info.
+      render: shell

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,91 @@
+name: 🐛 Bug report
+description: Report a new bug or issue.
+title: '[Bug]: '
+labels: ['bug']
+body:
+  - type: markdown
+    attributes:
+      value: |
+        ### Thanks for taking the time to fill out this bug report!
+
+        - For more general support, please [start a support thread](https://github.com/henrygd/beszel/discussions/new?category=support).
+        - To request a change or feature, use the [feature request form](https://github.com/henrygd/beszel/issues/new?template=feature_request.yml).
+        - Please do not submit bugs that are specific to ZFS. We plan to add integration with ZFS utilities in the near future.
+
+        ### Before submitting a bug report:
+
+        - Check the [common issues guide](https://beszel.dev/guide/common-issues).
+        - Search existing [issues](https://github.com/henrygd/beszel/issues) and [discussions](https://github.com/henrygd/beszel/discussions) (including closed).
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Explain the issue you experienced clearly and concisely.
+      placeholder: I went to the coffee pot and it was empty.
+    validations:
+      required: true
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected Behavior
+      description: In a perfect world, what should have happened?
+      placeholder: When I got to the coffee pot, it should have been full.
+    validations:
+      required: true
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps to Reproduce
+      description: Describe how to reproduce the issue in repeatable steps.
+      placeholder: |
+        1. Go to the coffee pot.
+        2. Make more coffee.
+        3. Pour it into a cup.
+    validations:
+      required: true
+  - type: input
+    id: system
+    attributes:
+      label: OS / Architecture
+      placeholder: linux/amd64 (agent), freebsd/arm64 (hub)
+    validations:
+      required: true
+  - type: input
+    id: version
+    attributes:
+      label: Beszel version
+      placeholder: 0.9.1
+    validations:
+      required: true
+  - type: dropdown
+    id: install-method
+    attributes:
+      label: Installation method
+      default: 0
+      options:
+        - Docker
+        - Binary
+        - Nix
+        - Unraid
+        - Coolify
+        - Other (please describe above)
+    validations:
+      required: true
+  - type: textarea
+    id: config
+    attributes:
+      label: Configuration
+      description: Please provide any relevant service configuration
+      render: yaml
+  - type: textarea
+    id: hub-logs
+    attributes:
+      label: Hub Logs
+      description: Check the logs page in PocketBase (`/_/#/logs`) for relevant errors (copy JSON).
+      render: json
+  - type: textarea
+    id: agent-logs
+    attributes:
+      label: Agent Logs
+      description: Please provide any logs from the agent, if relevant. Use `LOG_LEVEL=debug` for more info.
+      render: shell

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,8 @@
+blank_issues_enabled: false
+contact_links:
+  - name: 💬 Support and questions
+    url: https://github.com/henrygd/beszel/discussions
+    about: Ask and answer questions here.
+  - name: ℹ️ View the Common Issues page
+    url: https://beszel.dev/guide/common-issues
+    about: Find information about commonly encountered problems.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,18 @@
+name: 🚀 Feature request
+description: Request a new feature or change.
+title: "[Feature]: "
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: Before submitting, please search existing [issues](https://github.com/henrygd/beszel/issues) and [discussions](https://github.com/henrygd/beszel/discussions) (including closed).
+  - type: textarea
+    attributes:
+      label: Describe the feature you would like to see
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Describe how you would like to see this feature implemented
+    validations:
+      required: true

.github/funding.yml

@@ -0,0 +1 @@
+buy_me_a_coffee: henrygd

.github/workflows/docker-images.yml

@@ -3,7 +3,7 @@ name: Make docker images
 on:
   push:
     tags:
-      - '*'
+      - 'xv*'
 
 jobs:
   build:
@@ -13,11 +13,29 @@ jobs:
       matrix:
         include:
           - image: henrygd/beszel
-            context: ./hub
-            dockerfile: ./hub/Dockerfile
+            context: ./beszel
+            dockerfile: ./beszel/dockerfile_Hub
+            registry: docker.io
+            username_secret: DOCKERHUB_USERNAME
+            password_secret: DOCKERHUB_TOKEN
           - image: henrygd/beszel-agent
-            context: ./agent
-            dockerfile: ./agent/Dockerfile
+            context: ./beszel
+            dockerfile: ./beszel/dockerfile_Agent
+            registry: docker.io
+            username_secret: DOCKERHUB_USERNAME
+            password_secret: DOCKERHUB_TOKEN
+          - image: ghcr.io/${{ github.repository }}/beszel
+            context: ./beszel
+            dockerfile: ./beszel/dockerfile_Hub
+            registry: ghcr.io
+            username: ${{ github.actor }}
+            password_secret: GITHUB_TOKEN
+          - image: ghcr.io/${{ github.repository }}/beszel-agent
+            context: ./beszel
+            dockerfile: ./beszel/dockerfile_Agent
+            registry: ghcr.io
+            username: ${{ github.actor }}
+            password_secret: GITHUB_TOKEN
     permissions:
       contents: read
       packages: write
@@ -30,10 +48,10 @@ jobs:
         uses: oven-sh/setup-bun@v2
 
       - name: Install dependencies
-        run: bun install --no-save --cwd ./hub/site
+        run: bun install --no-save --cwd ./beszel/site
 
       - name: Build site
-        run: bun run --cwd ./hub/site build
+        run: bun run --cwd ./beszel/site build
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
@@ -49,6 +67,7 @@ jobs:
           tags: |
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
             type=raw,value={{sha}},enable=${{ github.ref_type != 'tag' }}
 
       # https://github.com/docker/login-action
@@ -56,8 +75,9 @@ jobs:
         if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
         with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          username: ${{ matrix.username || secrets[matrix.username_secret] }}
+          password: ${{ secrets[matrix.password_secret] }}
+          registry: ${{ matrix.registry }}
 
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action
@@ -66,9 +86,7 @@ jobs:
         with:
           context: '${{ matrix.context }}'
           file: ${{ matrix.dockerfile }}
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
           push: ${{ github.ref_type == 'tag' }}
           tags: ${{ steps.metadata.outputs.tags }}
           labels: ${{ steps.metadata.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha

.github/workflows/release.yml

@@ -3,7 +3,7 @@ name: Make release and binaries
 on:
   push:
     tags:
-      - '*'
+      - 'v*'
 
 permissions:
   contents: write
@@ -21,10 +21,10 @@ jobs:
         uses: oven-sh/setup-bun@v2
 
       - name: Install dependencies
-        run: bun install --no-save --cwd ./hub/site
+        run: bun install --no-save --cwd ./beszel/site
 
       - name: Build site
-        run: bun run --cwd ./hub/site build
+        run: bun run --cwd ./beszel/site build
 
       - name: Set up Go
         uses: actions/setup-go@v5
@@ -34,17 +34,7 @@ jobs:
       - name: GoReleaser beszel
         uses: goreleaser/goreleaser-action@v6
         with:
-          workdir: ./hub
-          distribution: goreleaser
-          version: latest
-          args: release --clean
-        env:
-          GITHUB_TOKEN: ${{ secrets.TOKEN }}
-
-      - name: GoReleaser beszel-agent
-        uses: goreleaser/goreleaser-action@v6
-        with:
-          workdir: ./agent
+          workdir: ./beszel
           distribution: goreleaser
           version: latest
           args: release --clean

.gitignore

@@ -3,8 +3,17 @@ pb_data
 data
 temp
 .vscode
-beszel
 beszel-agent
 beszel_data
 beszel_data*
-dist
+dist
+*.exe
+beszel/cmd/hub/hub
+beszel/cmd/agent/agent
+node_modules
+beszel/build
+*timestamp*
+.swc
+beszel/site/src/locales/**/*.ts
+*.bak
+__debug_*

SECURITY.md

@@ -0,0 +1,7 @@
+# Security Policy
+
+## Reporting a Vulnerability
+
+If you find a vulnerability in the latest version, please [submit a private advisory](https://github.com/henrygd/beszel/security/advisories/new).
+
+If it's low severity (use best judgement) you may open an issue instead of an advisory.

agent/.goreleaser.yml

@@ -1,37 +0,0 @@
-# version: 1
-
-project_name: beszel-agent
-
-before:
-  hooks:
-    - go mod tidy
-
-builds:
-  - env:
-      - CGO_ENABLED=0
-    goos:
-      - linux
-      - darwin
-    goarch:
-      - amd64
-      - arm64
-      - arm
-
-archives:
-  - format: tar.gz
-    name_template: >-
-      {{ .ProjectName }}_
-      {{- .Os }}_
-      {{- .Arch }}
-    # use zip for windows archives
-    format_overrides:
-      - goos: windows
-        format: zip
-
-changelog:
-  disable: true
-  sort: asc
-  filters:
-    exclude:
-      - '^docs:'
-      - '^test:'

agent/dockerfile

@@ -1,20 +0,0 @@
-FROM --platform=$BUILDPLATFORM golang:alpine as builder
-
-WORKDIR /app
-
-# Download Go modules
-COPY go.mod go.sum ./
-RUN go mod download
-
-COPY *.go ./
-
-# Build
-ARG TARGETOS TARGETARCH
-RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /agent .
-
-# ? -------------------------
-FROM scratch
-
-COPY --from=builder /agent /agent
-
-ENTRYPOINT ["/agent"]

agent/go.mod

@@ -1,30 +0,0 @@
-module beszel-agent
-
-go 1.22.4
-
-require (
-	github.com/blang/semver v3.5.1+incompatible
-	github.com/gliderlabs/ssh v0.3.7
-	github.com/rhysd/go-github-selfupdate v1.2.3
-	github.com/shirou/gopsutil/v4 v4.24.6
-)
-
-require (
-	github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be // indirect
-	github.com/go-ole/go-ole v1.3.0 // indirect
-	github.com/google/go-github/v30 v30.1.0 // indirect
-	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/inconshreveable/go-update v0.0.0-20160112193335-8152e7eb6ccf // indirect
-	github.com/lufia/plan9stats v0.0.0-20240513124658-fba389f38bae // indirect
-	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
-	github.com/shoenig/go-m1cpu v0.1.6 // indirect
-	github.com/tcnksm/go-gitconfig v0.1.2 // indirect
-	github.com/tklauser/go-sysconf v0.3.14 // indirect
-	github.com/tklauser/numcpus v0.8.0 // indirect
-	github.com/ulikunitz/xz v0.5.12 // indirect
-	github.com/yusufpapurcu/wmi v1.2.4 // indirect
-	golang.org/x/crypto v0.25.0 // indirect
-	golang.org/x/net v0.27.0 // indirect
-	golang.org/x/oauth2 v0.21.0 // indirect
-	golang.org/x/sys v0.22.0 // indirect
-)

agent/go.sum

@@ -1,100 +0,0 @@
-github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8=
-github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4=
-github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdnnjpJbkM4JQ=
-github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/gliderlabs/ssh v0.3.7 h1:iV3Bqi942d9huXnzEF2Mt+CY9gLu8DNM4Obd+8bODRE=
-github.com/gliderlabs/ssh v0.3.7/go.mod h1:zpHEXBstFnQYtGnB8k8kQLol82umzn/2/snG7alWVD8=
-github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
-github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
-github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/google/go-github/v30 v30.1.0 h1:VLDx+UolQICEOKu2m4uAoMti1SxuEBAl7RSEG16L+Oo=
-github.com/google/go-github/v30 v30.1.0/go.mod h1:n8jBpHl45a/rlBUtRJMOG4GhNADUQFEufcolZ95JfU8=
-github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
-github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
-github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
-github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/inconshreveable/go-update v0.0.0-20160112193335-8152e7eb6ccf h1:WfD7VjIE6z8dIvMsI4/s+1qr5EL+zoIGev1BQj1eoJ8=
-github.com/inconshreveable/go-update v0.0.0-20160112193335-8152e7eb6ccf/go.mod h1:hyb9oH7vZsitZCiBt0ZvifOrB+qc8PS5IiilCIb87rg=
-github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/lufia/plan9stats v0.0.0-20240513124658-fba389f38bae h1:dIZY4ULFcto4tAFlj1FYZl8ztUZ13bdq+PLY+NOfbyI=
-github.com/lufia/plan9stats v0.0.0-20240513124658-fba389f38bae/go.mod h1:ilwx/Dta8jXAgpFYFvSWEMwxmbWXyiUHkd5FwyKhb5k=
-github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
-github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I=
-github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 h1:o4JXh1EVt9k/+g42oCprj/FisM4qX9L3sZB3upGN2ZU=
-github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55/go.mod h1:OmDBASR4679mdNQnz2pUhc2G8CO2JrUAVFDRBDP/hJE=
-github.com/rhysd/go-github-selfupdate v1.2.3 h1:iaa+J202f+Nc+A8zi75uccC8Wg3omaM7HDeimXA22Ag=
-github.com/rhysd/go-github-selfupdate v1.2.3/go.mod h1:mp/N8zj6jFfBQy/XMYoWsmfzxazpPAODuqarmPDe2Rg=
-github.com/shirou/gopsutil/v4 v4.24.6 h1:9qqCSYF2pgOU+t+NgJtp7Co5+5mHF/HyKBUckySQL64=
-github.com/shirou/gopsutil/v4 v4.24.6/go.mod h1:aoebb2vxetJ/yIDZISmduFvVNPHqXQ9SEJwRXxkf0RA=
-github.com/shoenig/go-m1cpu v0.1.6 h1:nxdKQNcEB6vzgA2E2bvzKIYRuNj7XNJ4S/aRSwKzFtM=
-github.com/shoenig/go-m1cpu v0.1.6/go.mod h1:1JJMcUBvfNwpq05QDQVAnx3gUHr9IYF7GNg9SUEw2VQ=
-github.com/shoenig/test v0.6.4 h1:kVTaSd7WLz5WZ2IaoM0RSzRsUD+m8wRR+5qvntpn4LU=
-github.com/shoenig/test v0.6.4/go.mod h1:byHiCGXqrVaflBLAMq/srcZIHynQPQgeyvkvXnjqq0k=
-github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
-github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-github.com/tcnksm/go-gitconfig v0.1.2 h1:iiDhRitByXAEyjgBqsKi9QU4o2TNtv9kPP3RgPgXBPw=
-github.com/tcnksm/go-gitconfig v0.1.2/go.mod h1:/8EhP4H7oJZdIPyT+/UIsG87kTzrzM4UsLGSItWYCpE=
-github.com/tklauser/go-sysconf v0.3.14 h1:g5vzr9iPFFz24v2KZXs/pvpvh8/V9Fw6vQK5ZZb78yU=
-github.com/tklauser/go-sysconf v0.3.14/go.mod h1:1ym4lWMLUOhuBOPGtRcJm7tEGX4SCYNEEEtghGG/8uY=
-github.com/tklauser/numcpus v0.8.0 h1:Mx4Wwe/FjZLeQsK/6kt2EOepwwSl7SmJrK5bV/dXYgY=
-github.com/tklauser/numcpus v0.8.0/go.mod h1:ZJZlAY+dmR4eut8epnzf0u/VwodKmryxR8txiloSqBE=
-github.com/ulikunitz/xz v0.5.9/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
-github.com/ulikunitz/xz v0.5.12 h1:37Nm15o69RwBkXM0J6A5OlE67RZTfzUxTj8fB3dfcsc=
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-github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
-golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
-golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
-golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
-golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
-golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/oauth2 v0.0.0-20181106182150-f42d05182288/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/oauth2 v0.21.0 h1:tsimM75w1tF/uws5rbeHzIWxEqElMehnc+iW793zsZs=
-golang.org/x/oauth2 v0.21.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
-golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201204225414-ed752295db88/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
-golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
-golang.org/x/term v0.22.0 h1:BbsgPEJULsl2fV/AT3v15Mjva5yXKQDyKf+TbDz7QJk=
-golang.org/x/term v0.22.0/go.mod h1:F3qCibpT5AMpCRfhfT53vVJwhLtIVHhB9XDjfFvnMI4=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
-golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
-google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
-gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

agent/main.go

@@ -1,406 +0,0 @@
-package main
-
-import (
-	"encoding/json"
-	"fmt"
-	"io"
-	"log"
-	"math"
-	"net"
-	"net/http"
-	"os"
-	"strings"
-	"sync"
-	"time"
-
-	sshServer "github.com/gliderlabs/ssh"
-
-	"github.com/shirou/gopsutil/v4/cpu"
-	"github.com/shirou/gopsutil/v4/disk"
-	"github.com/shirou/gopsutil/v4/host"
-	"github.com/shirou/gopsutil/v4/mem"
-	psutilNet "github.com/shirou/gopsutil/v4/net"
-)
-
-var Version = "0.1.1"
-
-var containerCpuMap = make(map[string][2]uint64)
-var containerCpuMutex = &sync.Mutex{}
-
-var sem = make(chan struct{}, 15)
-
-func acquireSemaphore() {
-	sem <- struct{}{}
-}
-
-func releaseSemaphore() {
-	<-sem
-}
-
-var diskIoStats = DiskIoStats{
-	Read:       0,
-	Write:      0,
-	Time:       time.Now(),
-	Filesystem: "",
-}
-
-var netIoStats = NetIoStats{
-	BytesRecv: 0,
-	BytesSent: 0,
-	Time:      time.Now(),
-	Name:      "",
-}
-
-// client for docker engine api
-var client = &http.Client{
-	Timeout: time.Second,
-	Transport: &http.Transport{
-		Dial: func(proto, addr string) (net.Conn, error) {
-			return net.Dial("unix", "/var/run/docker.sock")
-		},
-		ForceAttemptHTTP2:   false,
-		IdleConnTimeout:     90 * time.Second,
-		DisableCompression:  true,
-		MaxIdleConnsPerHost: 50,
-		DisableKeepAlives:   false,
-	},
-}
-
-func getSystemStats() (*SystemInfo, *SystemStats) {
-	systemStats := &SystemStats{}
-
-	// cpu percent
-	cpuPct, err := cpu.Percent(0, false)
-	if err != nil {
-		log.Println("Error getting cpu percent:", err)
-	} else if len(cpuPct) > 0 {
-		systemStats.Cpu = twoDecimals(cpuPct[0])
-	}
-
-	// memory
-	if v, err := mem.VirtualMemory(); err == nil {
-		systemStats.Mem = bytesToGigabytes(v.Total)
-		systemStats.MemUsed = bytesToGigabytes(v.Used)
-		systemStats.MemBuffCache = bytesToGigabytes(v.Total - v.Free - v.Used)
-		systemStats.MemPct = twoDecimals(v.UsedPercent)
-	}
-
-	// disk usage
-	if d, err := disk.Usage("/"); err == nil {
-		systemStats.Disk = bytesToGigabytes(d.Total)
-		systemStats.DiskUsed = bytesToGigabytes(d.Used)
-		systemStats.DiskPct = twoDecimals(d.UsedPercent)
-	}
-
-	// disk i/o
-	if io, err := disk.IOCounters(diskIoStats.Filesystem); err == nil {
-		for _, d := range io {
-			// add to systemStats
-			secondsElapsed := time.Since(diskIoStats.Time).Seconds()
-			readPerSecond := float64(d.ReadBytes-diskIoStats.Read) / secondsElapsed
-			systemStats.DiskRead = bytesToMegabytes(readPerSecond)
-			writePerSecond := float64(d.WriteBytes-diskIoStats.Write) / secondsElapsed
-			systemStats.DiskWrite = bytesToMegabytes(writePerSecond)
-			// update diskIoStats
-			diskIoStats.Time = time.Now()
-			diskIoStats.Read = d.ReadBytes
-			diskIoStats.Write = d.WriteBytes
-		}
-	}
-
-	// network stats
-	if netIO, err := psutilNet.IOCounters(true); err == nil {
-		bytesSent := uint64(0)
-		bytesRecv := uint64(0)
-		for _, v := range netIO {
-			if skipNetworkInterface(&v) {
-				continue
-			}
-			// log.Printf("%+v: %+v recv, %+v sent\n", v.Name, v.BytesRecv, v.BytesSent)
-			bytesSent += v.BytesSent
-			bytesRecv += v.BytesRecv
-		}
-		// add to systemStats
-		secondsElapsed := time.Since(netIoStats.Time).Seconds()
-		sentPerSecond := float64(bytesSent-netIoStats.BytesSent) / secondsElapsed
-		recvPerSecond := float64(bytesRecv-netIoStats.BytesRecv) / secondsElapsed
-		systemStats.NetworkSent = bytesToMegabytes(sentPerSecond)
-		systemStats.NetworkRecv = bytesToMegabytes(recvPerSecond)
-		// update netIoStats
-		netIoStats.BytesSent = bytesSent
-		netIoStats.BytesRecv = bytesRecv
-		netIoStats.Time = time.Now()
-	}
-
-	systemInfo := &SystemInfo{
-		Cpu:     systemStats.Cpu,
-		MemPct:  systemStats.MemPct,
-		DiskPct: systemStats.DiskPct,
-	}
-
-	// add host info
-	if info, err := host.Info(); err == nil {
-		systemInfo.Uptime = info.Uptime
-		// systemInfo.Os = info.OS
-	}
-	// add cpu stats
-	if info, err := cpu.Info(); err == nil && len(info) > 0 {
-		systemInfo.CpuModel = info[0].ModelName
-	}
-	if cores, err := cpu.Counts(false); err == nil {
-		systemInfo.Cores = cores
-	}
-	if threads, err := cpu.Counts(true); err == nil {
-		systemInfo.Threads = threads
-	}
-
-	return systemInfo, systemStats
-
-}
-
-func getDockerStats() ([]*ContainerStats, error) {
-	resp, err := client.Get("http://localhost/containers/json")
-	if err != nil {
-		return []*ContainerStats{}, err
-	}
-	defer resp.Body.Close()
-
-	var containers []*Container
-	if err := json.NewDecoder(resp.Body).Decode(&containers); err != nil {
-		panic(err)
-	}
-
-	containerStats := make([]*ContainerStats, 0, len(containers))
-
-	// store valid ids to clean up old container ids from map
-	validIds := make(map[string]struct{}, len(containers))
-
-	var wg sync.WaitGroup
-
-	for _, ctr := range containers {
-		ctr.IdShort = ctr.Id[:12]
-		validIds[ctr.IdShort] = struct{}{}
-		// check if container is less than 1 minute old (possible restart)
-		// note: can't use Created field because it's not updated on restart
-		if strings.HasSuffix(ctr.Status, "seconds") {
-			// if so, remove old container data
-			delete(containerCpuMap, ctr.IdShort)
-		}
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			cstats, err := getContainerStats(ctr)
-			if err != nil {
-				// delete container from map and retry once
-				delete(containerCpuMap, ctr.IdShort)
-				cstats, err = getContainerStats(ctr)
-				if err != nil {
-					log.Printf("Error getting container stats: %+v\n", err)
-					return
-				}
-			}
-			containerStats = append(containerStats, cstats)
-		}()
-	}
-
-	wg.Wait()
-
-	for id := range containerCpuMap {
-		if _, exists := validIds[id]; !exists {
-			// log.Printf("Removing container cpu map entry: %+v\n", id)
-			delete(containerCpuMap, id)
-		}
-	}
-
-	return containerStats, nil
-}
-
-func getContainerStats(ctr *Container) (*ContainerStats, error) {
-	// use semaphore to limit concurrency
-	acquireSemaphore()
-	defer releaseSemaphore()
-	resp, err := client.Get("http://localhost/containers/" + ctr.IdShort + "/stats?stream=0&one-shot=1")
-	if err != nil {
-		return &ContainerStats{}, err
-	}
-	defer resp.Body.Close()
-
-	var statsJson CStats
-	if err := json.NewDecoder(resp.Body).Decode(&statsJson); err != nil {
-		panic(err)
-	}
-
-	name := ctr.Names[0][1:]
-
-	// memory (https://docs.docker.com/reference/cli/docker/container/stats/)
-	memCache := statsJson.MemoryStats.Stats["inactive_file"]
-	if memCache == 0 {
-		memCache = statsJson.MemoryStats.Stats["cache"]
-	}
-	usedMemory := statsJson.MemoryStats.Usage - memCache
-	// pctMemory := float64(usedMemory) / float64(statsJson.MemoryStats.Limit) * 100
-
-	// cpu
-	// add default values to containerCpu if it doesn't exist
-	containerCpuMutex.Lock()
-	defer containerCpuMutex.Unlock()
-	if _, ok := containerCpuMap[ctr.IdShort]; !ok {
-		containerCpuMap[ctr.IdShort] = [2]uint64{0, 0}
-	}
-	cpuDelta := statsJson.CPUStats.CPUUsage.TotalUsage - containerCpuMap[ctr.IdShort][0]
-	systemDelta := statsJson.CPUStats.SystemUsage - containerCpuMap[ctr.IdShort][1]
-	cpuPct := float64(cpuDelta) / float64(systemDelta) * 100
-	if cpuPct > 100 {
-		return &ContainerStats{}, fmt.Errorf("%s cpu pct greater than 100: %+v", name, cpuPct)
-	}
-	containerCpuMap[ctr.IdShort] = [2]uint64{statsJson.CPUStats.CPUUsage.TotalUsage, statsJson.CPUStats.SystemUsage}
-
-	cStats := &ContainerStats{
-		Name: name,
-		Cpu:  twoDecimals(cpuPct),
-		Mem:  bytesToMegabytes(float64(usedMemory)),
-		// MemPct: twoDecimals(pctMemory),
-	}
-	return cStats, nil
-}
-
-func gatherStats() *SystemData {
-	systemInfo, systemStats := getSystemStats()
-	stats := &SystemData{
-		Stats:      systemStats,
-		Info:       systemInfo,
-		Containers: []*ContainerStats{},
-	}
-	containerStats, err := getDockerStats()
-	if err == nil {
-		stats.Containers = containerStats
-	}
-	// fmt.Printf("%+v\n", stats)
-	return stats
-}
-
-func startServer(addr string, pubKey []byte) {
-	sshServer.Handle(func(s sshServer.Session) {
-		stats := gatherStats()
-		var jsonStats []byte
-		jsonStats, _ = json.Marshal(stats)
-		io.WriteString(s, string(jsonStats))
-		s.Exit(0)
-	})
-
-	log.Printf("Starting SSH server on %s", addr)
-	if err := sshServer.ListenAndServe(addr, nil, sshServer.NoPty(),
-		sshServer.PublicKeyAuth(func(ctx sshServer.Context, key sshServer.PublicKey) bool {
-			data := []byte(pubKey)
-			allowed, _, _, _, _ := sshServer.ParseAuthorizedKey(data)
-			return sshServer.KeysEqual(key, allowed)
-		}),
-	); err != nil {
-		log.Fatal(err)
-	}
-}
-
-func main() {
-	// handle flags / subcommands
-	if len(os.Args) > 1 {
-		switch os.Args[1] {
-		case "-v":
-			fmt.Println("beszel-agent", Version)
-		case "update":
-			updateBeszel()
-		}
-		os.Exit(0)
-	}
-
-	var pubKey []byte
-	if pubKeyEnv, exists := os.LookupEnv("KEY"); exists {
-		pubKey = []byte(pubKeyEnv)
-	} else {
-		log.Fatal("KEY environment variable is not set")
-	}
-
-	if filesystem, exists := os.LookupEnv("FILESYSTEM"); exists {
-		diskIoStats.Filesystem = filesystem
-	} else {
-		diskIoStats.Filesystem = findDefaultFilesystem()
-	}
-
-	initializeDiskIoStats()
-	initializeNetIoStats()
-
-	if port, exists := os.LookupEnv("PORT"); exists {
-		// allow passing an address in the form of "127.0.0.1:45876"
-		if !strings.Contains(port, ":") {
-			port = ":" + port
-		}
-		startServer(port, pubKey)
-	} else {
-		startServer(":45876", pubKey)
-	}
-}
-
-func bytesToMegabytes(b float64) float64 {
-	return twoDecimals(b / 1048576)
-}
-
-func bytesToGigabytes(b uint64) float64 {
-	return twoDecimals(float64(b) / 1073741824)
-}
-
-func twoDecimals(value float64) float64 {
-	return math.Round(value*100) / 100
-}
-
-func findDefaultFilesystem() string {
-	if partitions, err := disk.Partitions(false); err == nil {
-		for _, v := range partitions {
-			if v.Mountpoint == "/" {
-				log.Printf("Using filesystem: %+v\n", v.Device)
-				return v.Device
-			}
-		}
-	}
-	return ""
-}
-
-func skipNetworkInterface(v *psutilNet.IOCountersStat) bool {
-	switch {
-	case strings.HasPrefix(v.Name, "lo"),
-		strings.HasPrefix(v.Name, "docker"),
-		strings.HasPrefix(v.Name, "br-"),
-		strings.HasPrefix(v.Name, "veth"),
-		v.BytesRecv == 0,
-		v.BytesSent == 0:
-		return true
-	default:
-		return false
-	}
-}
-
-func initializeDiskIoStats() {
-	if io, err := disk.IOCounters(diskIoStats.Filesystem); err == nil {
-		for _, d := range io {
-			diskIoStats.Time = time.Now()
-			diskIoStats.Read = d.ReadBytes
-			diskIoStats.Write = d.WriteBytes
-		}
-	}
-}
-
-func initializeNetIoStats() {
-	if netIO, err := psutilNet.IOCounters(true); err == nil {
-		bytesSent := uint64(0)
-		bytesRecv := uint64(0)
-		for _, v := range netIO {
-			if skipNetworkInterface(&v) {
-				continue
-			}
-			log.Printf("Found network interface: %+v (%+v recv, %+v sent)\n", v.Name, v.BytesRecv, v.BytesSent)
-			bytesSent += v.BytesSent
-			bytesRecv += v.BytesRecv
-		}
-		netIoStats.BytesSent = bytesSent
-		netIoStats.BytesRecv = bytesRecv
-		netIoStats.Time = time.Now()
-	}
-}

agent/types.go

@@ -1,156 +0,0 @@
-package main
-
-import "time"
-
-type SystemData struct {
-	Stats      *SystemStats      `json:"stats"`
-	Info       *SystemInfo       `json:"info"`
-	Containers []*ContainerStats `json:"container"`
-}
-
-type SystemInfo struct {
-	Cores    int    `json:"c"`
-	Threads  int    `json:"t"`
-	CpuModel string `json:"m"`
-	// Os       string  `json:"o"`
-	Uptime  uint64  `json:"u"`
-	Cpu     float64 `json:"cpu"`
-	MemPct  float64 `json:"mp"`
-	DiskPct float64 `json:"dp"`
-}
-
-type SystemStats struct {
-	Cpu          float64 `json:"cpu"`
-	Mem          float64 `json:"m"`
-	MemUsed      float64 `json:"mu"`
-	MemPct       float64 `json:"mp"`
-	MemBuffCache float64 `json:"mb"`
-	Disk         float64 `json:"d"`
-	DiskUsed     float64 `json:"du"`
-	DiskPct      float64 `json:"dp"`
-	DiskRead     float64 `json:"dr"`
-	DiskWrite    float64 `json:"dw"`
-	NetworkSent  float64 `json:"ns"`
-	NetworkRecv  float64 `json:"nr"`
-}
-
-type ContainerStats struct {
-	Name string  `json:"n"`
-	Cpu  float64 `json:"c"`
-	Mem  float64 `json:"m"`
-	// MemPct float64 `json:"mp"`
-}
-
-type Container struct {
-	Id      string
-	IdShort string
-	Names   []string
-	Status  string
-	// Image   string
-	// ImageID string
-	// Command string
-	// Created int64
-	// Ports      []Port
-	// SizeRw     int64 `json:",omitempty"`
-	// SizeRootFs int64 `json:",omitempty"`
-	// Labels     map[string]string
-	// State      string
-	// HostConfig struct {
-	// 	NetworkMode string            `json:",omitempty"`
-	// 	Annotations map[string]string `json:",omitempty"`
-	// }
-	// NetworkSettings *SummaryNetworkSettings
-	// Mounts          []MountPoint
-}
-
-type CStats struct {
-	// Common stats
-	Read    time.Time `json:"read"`
-	PreRead time.Time `json:"preread"`
-
-	// Linux specific stats, not populated on Windows.
-	// PidsStats  PidsStats  `json:"pids_stats,omitempty"`
-	// BlkioStats BlkioStats `json:"blkio_stats,omitempty"`
-
-	// Windows specific stats, not populated on Linux.
-	NumProcs uint32 `json:"num_procs"`
-	// StorageStats StorageStats `json:"storage_stats,omitempty"`
-
-	// Shared stats
-	CPUStats    CPUStats    `json:"cpu_stats,omitempty"`
-	PreCPUStats CPUStats    `json:"precpu_stats,omitempty"` // "Pre"="Previous"
-	MemoryStats MemoryStats `json:"memory_stats,omitempty"`
-}
-
-type CPUStats struct {
-	// CPU Usage. Linux and Windows.
-	CPUUsage CPUUsage `json:"cpu_usage"`
-
-	// System Usage. Linux only.
-	SystemUsage uint64 `json:"system_cpu_usage,omitempty"`
-
-	// Online CPUs. Linux only.
-	OnlineCPUs uint32 `json:"online_cpus,omitempty"`
-
-	// Throttling Data. Linux only.
-	// ThrottlingData ThrottlingData `json:"throttling_data,omitempty"`
-}
-
-type CPUUsage struct {
-	// Total CPU time consumed.
-	// Units: nanoseconds (Linux)
-	// Units: 100's of nanoseconds (Windows)
-	TotalUsage uint64 `json:"total_usage"`
-
-	// Total CPU time consumed per core (Linux). Not used on Windows.
-	// Units: nanoseconds.
-	PercpuUsage []uint64 `json:"percpu_usage,omitempty"`
-
-	// Time spent by tasks of the cgroup in kernel mode (Linux).
-	// Time spent by all container processes in kernel mode (Windows).
-	// Units: nanoseconds (Linux).
-	// Units: 100's of nanoseconds (Windows). Not populated for Hyper-V Containers.
-	UsageInKernelmode uint64 `json:"usage_in_kernelmode"`
-
-	// Time spent by tasks of the cgroup in user mode (Linux).
-	// Time spent by all container processes in user mode (Windows).
-	// Units: nanoseconds (Linux).
-	// Units: 100's of nanoseconds (Windows). Not populated for Hyper-V Containers
-	UsageInUsermode uint64 `json:"usage_in_usermode"`
-}
-
-type MemoryStats struct {
-
-	// current res_counter usage for memory
-	Usage uint64 `json:"usage,omitempty"`
-	Cache uint64 `json:"cache,omitempty"`
-	// maximum usage ever recorded.
-	MaxUsage uint64 `json:"max_usage,omitempty"`
-	// TODO(vishh): Export these as stronger types.
-	// all the stats exported via memory.stat.
-	Stats map[string]uint64 `json:"stats,omitempty"`
-	// number of times memory usage hits limits.
-	Failcnt uint64 `json:"failcnt,omitempty"`
-	Limit   uint64 `json:"limit,omitempty"`
-
-	// committed bytes
-	Commit uint64 `json:"commitbytes,omitempty"`
-	// peak committed bytes
-	CommitPeak uint64 `json:"commitpeakbytes,omitempty"`
-	// private working set
-	PrivateWorkingSet uint64 `json:"privateworkingset,omitempty"`
-}
-
-type DiskIoStats struct {
-	Read       uint64
-	Write      uint64
-	Time       time.Time
-	Filesystem string
-}
-
-type NetIoStats struct {
-	BytesRecv uint64
-	BytesSent uint64
-	Time      time.Time
-	Name      string
-}

beszel/.goreleaser.yml

@@ -0,0 +1,185 @@
+version: 2
+
+project_name: beszel
+
+before:
+  hooks:
+    - go mod tidy
+
+builds:
+  - id: beszel
+    binary: beszel
+    main: cmd/hub/hub.go
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - darwin
+    goarch:
+      - amd64
+      - arm64
+      - arm
+
+  - id: beszel-agent
+    binary: beszel-agent
+    main: cmd/agent/agent.go
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - darwin
+      - freebsd
+      - openbsd
+      - windows
+    goarch:
+      - amd64
+      - arm64
+      - arm
+      - mips64
+      - riscv64
+    ignore:
+      - goos: freebsd
+        goarch: arm
+      - goos: openbsd
+        goarch: arm
+      - goos: windows
+        goarch: arm
+      - goos: darwin
+        goarch: riscv64
+      - goos: windows
+        goarch: riscv64
+
+archives:
+  - id: beszel-agent
+    format: tar.gz
+    builds:
+      - beszel-agent
+    name_template: >-
+      {{ .Binary }}_
+      {{- .Os }}_
+      {{- .Arch }}
+    format_overrides:
+      - goos: windows
+        format: zip
+
+  - id: beszel
+    format: tar.gz
+    builds:
+      - beszel
+    name_template: >-
+      {{ .Binary }}_
+      {{- .Os }}_
+      {{- .Arch }}
+
+nfpms:
+  - id: beszel-agent
+    package_name: beszel-agent
+    description: |-
+      Agent for Beszel
+      Beszel is a lightweight server monitoring platform that includes Docker
+      statistics, historical data, and alert functions. It has a friendly web
+      interface, simple configuration, and is ready to use out of the box.
+      It supports automatic backup, multi-user, OAuth authentication, and
+      API access.
+    maintainer: henrygd <hank@henrygd.me>
+    section: net
+    builds:
+      - beszel-agent
+    formats:
+      - deb
+    # don't think this is needed with CGO_ENABLED=0
+    # dependencies:
+    #   - libc6
+    contents:
+      - src: ../supplemental/debian/beszel-agent.service
+        dst: lib/systemd/system/beszel-agent.service
+        packager: deb
+      - src: ../supplemental/debian/copyright
+        dst: usr/share/doc/beszel-agent/copyright
+        packager: deb
+      - src: ../supplemental/debian/lintian-overrides
+        dst: usr/share/lintian/overrides/beszel-agent
+        packager: deb
+    scripts:
+      postinstall: ../supplemental/debian/postinstall.sh
+      preremove: ../supplemental/debian/prerm.sh
+      postremove: ../supplemental/debian/postrm.sh
+    deb:
+      predepends:
+        - adduser
+        - debconf
+      scripts:
+        templates: ../supplemental/debian/templates
+        # Currently broken due to a bug in goreleaser
+        # https://github.com/goreleaser/goreleaser/issues/5487
+        #config: ../supplemental/debian/config.sh
+
+scoops:
+  - ids: [beszel-agent]
+    name: beszel-agent
+    repository:
+      owner: henrygd
+      name: beszel-scoops
+    homepage: 'https://beszel.dev'
+    description: 'Agent for Beszel, a lightweight server monitoring platform.'
+    license: MIT
+
+# # Needs choco installed, so doesn't build on linux / default gh workflow :(
+# chocolateys:
+#   - title: Beszel Agent
+#     ids: [beszel-agent]
+#     package_source_url: https://github.com/henrygd/beszel-chocolatey
+#     owners: henrygd
+#     authors: henrygd
+#     summary: 'Agent for Beszel, a lightweight server monitoring platform.'
+#     description: |
+#       Beszel is a lightweight server monitoring platform that includes Docker statistics, historical data, and alert functions.
+
+#       It has a friendly web interface, simple configuration, and is ready to use out of the box. It supports automatic backup, multi-user, OAuth authentication, and API access.
+#     license_url: https://github.com/henrygd/beszel/blob/main/LICENSE
+#     project_url: https://beszel.dev
+#     project_source_url: https://github.com/henrygd/beszel
+#     docs_url: https://beszel.dev/guide/getting-started
+#     icon_url: https://cdn.jsdelivr.net/gh/selfhst/icons/png/beszel.png
+#     bug_tracker_url: https://github.com/henrygd/beszel/issues
+#     copyright: 2025 henrygd
+#     tags: foss cross-platform admin monitoring
+#     require_license_acceptance: false
+#     release_notes: 'https://github.com/henrygd/beszel/releases/tag/v{{ .Version }}'
+
+brews:
+  - ids: [beszel-agent]
+    name: beszel-agent
+    repository:
+      owner: henrygd
+      name: homebrew-beszel
+    homepage: 'https://beszel.dev'
+    description: 'Agent for Beszel, a lightweight server monitoring platform.'
+    license: MIT
+    extra_install: |
+      (bin/"beszel-agent-launcher").write <<~EOS
+        #!/bin/bash
+        set -a
+        if [ -f "$HOME/.config/beszel/beszel-agent.env" ]; then
+          source "$HOME/.config/beszel/beszel-agent.env"
+        fi
+        set +a
+        exec #{bin}/beszel-agent "$@"
+      EOS
+      (bin/"beszel-agent-launcher").chmod 0755
+    service: |
+      run ["#{bin}/beszel-agent-launcher"]
+      log_path "#{Dir.home}/.cache/beszel/beszel-agent.log"
+      error_log_path "#{Dir.home}/.cache/beszel/beszel-agent.log"
+      keep_alive true
+
+release:
+  draft: true
+
+changelog:
+  disable: true
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'

beszel/Makefile

@@ -0,0 +1,72 @@
+# Default OS/ARCH values
+OS ?= $(shell go env GOOS)
+ARCH ?= $(shell go env GOARCH)
+# Skip building the web UI if true
+SKIP_WEB ?= false
+
+.PHONY: tidy build-agent build-hub build clean lint dev-server dev-agent dev-hub dev generate-locales
+.DEFAULT_GOAL := build
+
+clean:
+	go clean
+	rm -rf ./build
+
+lint:
+	golangci-lint run
+
+test: export GOEXPERIMENT=synctest
+test:
+	go test -tags=testing ./...
+
+tidy:
+	go mod tidy
+
+build-web-ui:
+	@if command -v bun >/dev/null 2>&1; then \
+		bun install --cwd ./site && \
+		bun run --cwd ./site build; \
+	else \
+		npm install --prefix ./site && \
+		npm run --prefix ./site build; \
+	fi
+
+build-agent: tidy
+	GOOS=$(OS) GOARCH=$(ARCH) go build -o ./build/beszel-agent_$(OS)_$(ARCH) -ldflags "-w -s" beszel/cmd/agent
+
+build-hub: tidy $(if $(filter false,$(SKIP_WEB)),build-web-ui)
+	GOOS=$(OS) GOARCH=$(ARCH) go build -o ./build/beszel_$(OS)_$(ARCH) -ldflags "-w -s" beszel/cmd/hub
+
+build: build-agent build-hub
+
+generate-locales:
+	@if [ ! -f ./site/src/locales/en/en.ts ]; then \
+		echo "Generating locales..."; \
+		command -v bun >/dev/null 2>&1 && cd ./site && bun install && bun run sync || cd ./site && npm install && npm run sync; \
+	fi
+
+dev-server: generate-locales
+	cd ./site
+	@if command -v bun >/dev/null 2>&1; then \
+		cd ./site && bun run dev; \
+	else \
+		cd ./site && npm run dev; \
+	fi
+
+dev-hub: export ENV=dev
+dev-hub:
+	mkdir -p ./site/dist && touch ./site/dist/index.html
+	@if command -v entr >/dev/null 2>&1; then \
+		find ./cmd/hub/*.go ./internal/{alerts,hub,records,users}/*.go | entr -r -s "cd ./cmd/hub && go run . serve"; \
+	else \
+		cd ./cmd/hub && go run . serve; \
+	fi
+
+dev-agent:
+	@if command -v entr >/dev/null 2>&1; then \
+		find ./cmd/agent/*.go ./internal/agent/*.go | entr -r go run beszel/cmd/agent; \
+	else \
+		go run beszel/cmd/agent; \
+	fi
+
+# KEY="..." make -j dev
+dev: dev-server dev-hub dev-agent

beszel/cmd/agent/agent.go

@@ -0,0 +1,122 @@
+package main
+
+import (
+	"beszel"
+	"beszel/internal/agent"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+
+	"golang.org/x/crypto/ssh"
+)
+
+// cli options
+type cmdOptions struct {
+	key    string // key is the public key(s) for SSH authentication.
+	listen string // listen is the address or port to listen on.
+}
+
+// parse parses the command line flags and populates the config struct.
+// It returns true if a subcommand was handled and the program should exit.
+func (opts *cmdOptions) parse() bool {
+	flag.StringVar(&opts.key, "key", "", "Public key(s) for SSH authentication")
+	flag.StringVar(&opts.listen, "listen", "", "Address or port to listen on")
+
+	flag.Usage = func() {
+		fmt.Printf("Usage: %s [command] [flags]\n", os.Args[0])
+		fmt.Println("\nCommands:")
+		fmt.Println("  health    Check if the agent is running")
+		fmt.Println("  help      Display this help message")
+		fmt.Println("  update    Update to the latest version")
+		fmt.Println("  version   Display the version")
+		fmt.Println("\nFlags:")
+		flag.PrintDefaults()
+	}
+
+	subcommand := ""
+	if len(os.Args) > 1 {
+		subcommand = os.Args[1]
+	}
+
+	switch subcommand {
+	case "-v", "version":
+		fmt.Println(beszel.AppName+"-agent", beszel.Version)
+		return true
+	case "help":
+		flag.Usage()
+		return true
+	case "update":
+		agent.Update()
+		return true
+	case "health":
+		// for health, we need to parse flags first to get the listen address
+		args := append(os.Args[2:], subcommand)
+		flag.CommandLine.Parse(args)
+		addr := opts.getAddress()
+		network := agent.GetNetwork(addr)
+		err := agent.Health(addr, network)
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Print("ok")
+		return true
+	}
+
+	flag.Parse()
+	return false
+}
+
+// loadPublicKeys loads the public keys from the command line flag, environment variable, or key file.
+func (opts *cmdOptions) loadPublicKeys() ([]ssh.PublicKey, error) {
+	// Try command line flag first
+	if opts.key != "" {
+		return agent.ParseKeys(opts.key)
+	}
+
+	// Try environment variable
+	if key, ok := agent.GetEnv("KEY"); ok && key != "" {
+		return agent.ParseKeys(key)
+	}
+
+	// Try key file
+	keyFile, ok := agent.GetEnv("KEY_FILE")
+	if !ok {
+		return nil, fmt.Errorf("no key provided: must set -key flag, KEY env var, or KEY_FILE env var. Use 'beszel-agent help' for usage")
+	}
+
+	pubKey, err := os.ReadFile(keyFile)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read key file: %w", err)
+	}
+	return agent.ParseKeys(string(pubKey))
+}
+
+func (opts *cmdOptions) getAddress() string {
+	return agent.GetAddress(opts.listen)
+}
+
+func main() {
+	var opts cmdOptions
+	subcommandHandled := opts.parse()
+
+	if subcommandHandled {
+		return
+	}
+
+	var serverConfig agent.ServerOptions
+	var err error
+	serverConfig.Keys, err = opts.loadPublicKeys()
+	if err != nil {
+		log.Fatal("Failed to load public keys:", err)
+	}
+
+	addr := opts.getAddress()
+	serverConfig.Addr = addr
+	serverConfig.Network = agent.GetNetwork(addr)
+
+	agent := agent.NewAgent()
+	if err := agent.StartServer(serverConfig); err != nil {
+		log.Fatal("Failed to start server:", err)
+	}
+}

beszel/cmd/agent/agent_test.go

@@ -0,0 +1,303 @@
+package main
+
+import (
+	"beszel/internal/agent"
+	"crypto/ed25519"
+	"flag"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/crypto/ssh"
+)
+
+func TestGetAddress(t *testing.T) {
+	tests := []struct {
+		name     string
+		opts     cmdOptions
+		envVars  map[string]string
+		expected string
+	}{
+		{
+			name:     "default port when no config",
+			opts:     cmdOptions{},
+			expected: ":45876",
+		},
+		{
+			name: "use address from flag",
+			opts: cmdOptions{
+				listen: "8080",
+			},
+			expected: ":8080",
+		},
+		{
+			name: "use unix socket from flag",
+			opts: cmdOptions{
+				listen: "/tmp/beszel.sock",
+			},
+			expected: "/tmp/beszel.sock",
+		},
+		{
+			name: "use LISTEN env var",
+			opts: cmdOptions{},
+			envVars: map[string]string{
+				"LISTEN": "1.2.3.4:9090",
+			},
+			expected: "1.2.3.4:9090",
+		},
+		{
+			name: "use legacy PORT env var",
+			opts: cmdOptions{},
+			envVars: map[string]string{
+				"PORT": "7070",
+			},
+			expected: ":7070",
+		},
+		{
+			name: "use unix socket from env var",
+			opts: cmdOptions{
+				listen: "",
+			},
+			envVars: map[string]string{
+				"LISTEN": "/tmp/beszel.sock",
+			},
+			expected: "/tmp/beszel.sock",
+		},
+		{
+			name: "flag takes precedence over env vars",
+			opts: cmdOptions{
+				listen: ":8080",
+			},
+			envVars: map[string]string{
+				"LISTEN": ":9090",
+				"PORT":   "7070",
+			},
+			expected: ":8080",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Setup environment
+			for k, v := range tt.envVars {
+				t.Setenv(k, v)
+			}
+
+			addr := tt.opts.getAddress()
+			assert.Equal(t, tt.expected, addr)
+		})
+	}
+}
+
+func TestLoadPublicKeys(t *testing.T) {
+	// Generate a test key
+	_, priv, err := ed25519.GenerateKey(nil)
+	require.NoError(t, err)
+	signer, err := ssh.NewSignerFromKey(priv)
+	require.NoError(t, err)
+	pubKey := ssh.MarshalAuthorizedKey(signer.PublicKey())
+
+	tests := []struct {
+		name        string
+		opts        cmdOptions
+		envVars     map[string]string
+		setupFiles  map[string][]byte
+		wantErr     bool
+		errContains string
+	}{
+		{
+			name: "load key from flag",
+			opts: cmdOptions{
+				key: string(pubKey),
+			},
+		},
+		{
+			name: "load key from env var",
+			envVars: map[string]string{
+				"KEY": string(pubKey),
+			},
+		},
+		{
+			name: "load key from file",
+			envVars: map[string]string{
+				"KEY_FILE": "testkey.pub",
+			},
+			setupFiles: map[string][]byte{
+				"testkey.pub": pubKey,
+			},
+		},
+		{
+			name:        "error when no key provided",
+			wantErr:     true,
+			errContains: "no key provided",
+		},
+		{
+			name: "error on invalid key file",
+			envVars: map[string]string{
+				"KEY_FILE": "nonexistent.pub",
+			},
+			wantErr:     true,
+			errContains: "failed to read key file",
+		},
+		{
+			name: "error on invalid key data",
+			opts: cmdOptions{
+				key: "invalid-key-data",
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Create a temporary directory for test files
+			if len(tt.setupFiles) > 0 {
+				tmpDir := t.TempDir()
+				for name, content := range tt.setupFiles {
+					path := filepath.Join(tmpDir, name)
+					err := os.WriteFile(path, content, 0600)
+					require.NoError(t, err)
+					if tt.envVars != nil {
+						tt.envVars["KEY_FILE"] = path
+					}
+				}
+			}
+
+			// Set up environment
+			for k, v := range tt.envVars {
+				t.Setenv(k, v)
+			}
+
+			keys, err := tt.opts.loadPublicKeys()
+			if tt.wantErr {
+				assert.Error(t, err)
+				if tt.errContains != "" {
+					assert.Contains(t, err.Error(), tt.errContains)
+				}
+				return
+			}
+
+			require.NoError(t, err)
+			assert.Len(t, keys, 1)
+			assert.Equal(t, signer.PublicKey().Type(), keys[0].Type())
+		})
+	}
+}
+
+func TestGetNetwork(t *testing.T) {
+	tests := []struct {
+		name     string
+		opts     cmdOptions
+		envVars  map[string]string
+		expected string
+	}{
+		{
+			name: "NETWORK env var",
+			envVars: map[string]string{
+				"NETWORK": "tcp4",
+			},
+			expected: "tcp4",
+		},
+		{
+			name:     "only port",
+			opts:     cmdOptions{listen: "8080"},
+			expected: "tcp",
+		},
+		{
+			name:     "ipv4 address",
+			opts:     cmdOptions{listen: "1.2.3.4:8080"},
+			expected: "tcp",
+		},
+		{
+			name:     "ipv6 address",
+			opts:     cmdOptions{listen: "[2001:db8::1]:8080"},
+			expected: "tcp",
+		},
+		{
+			name:     "unix network",
+			opts:     cmdOptions{listen: "/tmp/beszel.sock"},
+			expected: "unix",
+		},
+		{
+			name:     "env var network",
+			opts:     cmdOptions{listen: ":8080"},
+			envVars:  map[string]string{"NETWORK": "tcp4"},
+			expected: "tcp4",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Setup environment
+			for k, v := range tt.envVars {
+				t.Setenv(k, v)
+			}
+			network := agent.GetNetwork(tt.opts.listen)
+			assert.Equal(t, tt.expected, network)
+		})
+	}
+}
+
+func TestParseFlags(t *testing.T) {
+	// Save original command line arguments and restore after test
+	oldArgs := os.Args
+	defer func() {
+		os.Args = oldArgs
+		flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
+	}()
+
+	tests := []struct {
+		name     string
+		args     []string
+		expected cmdOptions
+	}{
+		{
+			name: "no flags",
+			args: []string{"cmd"},
+			expected: cmdOptions{
+				key:    "",
+				listen: "",
+			},
+		},
+		{
+			name: "key flag only",
+			args: []string{"cmd", "-key", "testkey"},
+			expected: cmdOptions{
+				key:    "testkey",
+				listen: "",
+			},
+		},
+		{
+			name: "addr flag only",
+			args: []string{"cmd", "-listen", ":8080"},
+			expected: cmdOptions{
+				key:    "",
+				listen: ":8080",
+			},
+		},
+		{
+			name: "both flags",
+			args: []string{"cmd", "-key", "testkey", "-listen", ":8080"},
+			expected: cmdOptions{
+				key:    "testkey",
+				listen: ":8080",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Reset flags for each test
+			flag.CommandLine = flag.NewFlagSet(tt.args[0], flag.ExitOnError)
+			os.Args = tt.args
+
+			var opts cmdOptions
+			opts.parse()
+			flag.Parse()
+
+			assert.Equal(t, tt.expected, opts)
+		})
+	}
+}

beszel/cmd/hub/hub.go

@@ -0,0 +1,99 @@
+package main
+
+import (
+	"beszel"
+	"beszel/internal/hub"
+	_ "beszel/migrations"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/pocketbase/pocketbase"
+	"github.com/pocketbase/pocketbase/plugins/migratecmd"
+	"github.com/spf13/cobra"
+)
+
+func main() {
+	// handle health check first to prevent unneeded execution
+	if len(os.Args) > 3 && os.Args[1] == "health" {
+		url := os.Args[3]
+		if err := checkHealth(url); err != nil {
+			log.Fatal(err)
+		}
+		fmt.Print("ok")
+		return
+	}
+
+	baseApp := getBaseApp()
+	h := hub.NewHub(baseApp)
+	if err := h.StartHub(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+// getBaseApp creates a new PocketBase app with the default config
+func getBaseApp() *pocketbase.PocketBase {
+	isDev := os.Getenv("ENV") == "dev"
+
+	baseApp := pocketbase.NewWithConfig(pocketbase.Config{
+		DefaultDataDir: beszel.AppName + "_data",
+		DefaultDev:     isDev,
+	})
+	baseApp.RootCmd.Version = beszel.Version
+	baseApp.RootCmd.Use = beszel.AppName
+	baseApp.RootCmd.Short = ""
+	// add update command
+	baseApp.RootCmd.AddCommand(&cobra.Command{
+		Use:   "update",
+		Short: "Update " + beszel.AppName + " to the latest version",
+		Run:   hub.Update,
+	})
+	// add health command
+	baseApp.RootCmd.AddCommand(newHealthCmd())
+
+	// enable auto creation of migration files when making collection changes in the Admin UI
+	migratecmd.MustRegister(baseApp, baseApp.RootCmd, migratecmd.Config{
+		Automigrate: isDev,
+		Dir:         "../../migrations",
+	})
+
+	return baseApp
+}
+
+func newHealthCmd() *cobra.Command {
+	var baseURL string
+
+	healthCmd := &cobra.Command{
+		Use:   "health",
+		Short: "Check health of running hub",
+		Run: func(cmd *cobra.Command, args []string) {
+			if err := checkHealth(baseURL); err != nil {
+				log.Fatal(err)
+			}
+			os.Exit(0)
+		},
+	}
+	healthCmd.Flags().StringVar(&baseURL, "url", "", "base URL")
+	healthCmd.MarkFlagRequired("url")
+	return healthCmd
+}
+
+// checkHealth checks the health of the hub.
+func checkHealth(baseURL string) error {
+	client := &http.Client{
+		Timeout: time.Second * 3,
+	}
+	healthURL := baseURL + "/api/health"
+	resp, err := client.Get(healthURL)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 {
+		return fmt.Errorf("%s returned status %d", healthURL, resp.StatusCode)
+	}
+	return nil
+}

beszel/dockerfile_Agent

@@ -0,0 +1,20 @@
+FROM --platform=$BUILDPLATFORM golang:alpine AS builder
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+# RUN go mod download
+COPY *.go ./
+COPY cmd ./cmd
+COPY internal ./internal
+
+# Build
+ARG TARGETOS TARGETARCH
+RUN CGO_ENABLED=0 GOGC=75 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /agent ./cmd/agent
+
+# ? -------------------------
+FROM scratch
+
+COPY --from=builder /agent /agent
+
+ENTRYPOINT ["/agent"]

beszel/dockerfile_Hub

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:alpine as builder
+FROM --platform=$BUILDPLATFORM golang:alpine AS builder
 
 WORKDIR /app
 
@@ -8,6 +8,8 @@ RUN go mod download
 
 # Copy source files
 COPY *.go ./
+COPY cmd ./cmd
+COPY internal ./internal
 COPY migrations ./migrations
 COPY site/dist ./site/dist
 COPY site/*.go ./site
@@ -20,7 +22,7 @@ RUN update-ca-certificates
 
 # Build
 ARG TARGETOS TARGETARCH
-RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /beszel .
+RUN CGO_ENABLED=0 GOGC=75 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /beszel ./cmd/hub
 
 # ? -------------------------
 FROM scratch

beszel/go.mod

@@ -0,0 +1,68 @@
+module beszel
+
+go 1.24.2
+
+// lock shoutrrr to specific version to allow review before updating
+replace github.com/nicholas-fedor/shoutrrr => github.com/nicholas-fedor/shoutrrr v0.8.8
+
+require (
+	github.com/blang/semver v3.5.1+incompatible
+	github.com/gliderlabs/ssh v0.3.8
+	github.com/goccy/go-json v0.10.5
+	github.com/nicholas-fedor/shoutrrr v0.8.8
+	github.com/pocketbase/dbx v1.11.0
+	github.com/pocketbase/pocketbase v0.27.1
+	github.com/rhysd/go-github-selfupdate v1.2.3
+	github.com/shirou/gopsutil/v4 v4.25.3
+	github.com/spf13/cast v1.7.1
+	github.com/spf13/cobra v1.9.1
+	github.com/stretchr/testify v1.10.0
+	golang.org/x/crypto v0.37.0
+	golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0
+	gopkg.in/yaml.v3 v3.0.1
+)
+
+require (
+	github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be // indirect
+	github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/disintegration/imaging v1.6.2 // indirect
+	github.com/domodwyer/mailyak/v3 v3.6.2 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/ebitengine/purego v0.8.2 // indirect
+	github.com/fatih/color v1.18.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
+	github.com/ganigeorgiev/fexpr v0.5.0 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-ozzo/ozzo-validation/v4 v4.3.0 // indirect
+	github.com/go-sql-driver/mysql v1.9.1 // indirect
+	github.com/golang-jwt/jwt/v5 v5.2.2 // indirect
+	github.com/google/go-github/v30 v30.1.0 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/inconshreveable/go-update v0.0.0-20160112193335-8152e7eb6ccf // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/lufia/plan9stats v0.0.0-20250317134145-8bc96cf8fc35 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/ncruces/go-strftime v0.1.9 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/tcnksm/go-gitconfig v0.1.2 // indirect
+	github.com/tklauser/go-sysconf v0.3.15 // indirect
+	github.com/tklauser/numcpus v0.10.0 // indirect
+	github.com/ulikunitz/xz v0.5.12 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	golang.org/x/image v0.26.0 // indirect
+	golang.org/x/net v0.39.0 // indirect
+	golang.org/x/oauth2 v0.29.0 // indirect
+	golang.org/x/sync v0.13.0 // indirect
+	golang.org/x/sys v0.32.0 // indirect
+	golang.org/x/text v0.24.0 // indirect
+	modernc.org/libc v1.64.0 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.10.0 // indirect
+	modernc.org/sqlite v1.37.0 // indirect
+)

beszel/go.sum

@@ -0,0 +1,219 @@
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8=
+github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4=
+github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496/go.mod h1:oGkLhpf+kjZl6xBf758TQhh5XrAeiJv/7FRz/2spLIg=
+github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 h1:DklsrG3dyBCFEj5IhUbnKptjxatkF07cF2ak3yi77so=
+github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
+github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdnnjpJbkM4JQ=
+github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
+github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
+github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
+github.com/domodwyer/mailyak/v3 v3.6.2 h1:x3tGMsyFhTCaxp6ycgR0FE/bu5QiNp+hetUuCOBXMn8=
+github.com/domodwyer/mailyak/v3 v3.6.2/go.mod h1:lOm/u9CyCVWHeaAmHIdF4RiKVxKUT/H5XX10lIKAL6c=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/ebitengine/purego v0.8.2 h1:jPPGWs2sZ1UgOSgD2bClL0MJIqu58nOmIcBuXr62z1I=
+github.com/ebitengine/purego v0.8.2/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
+github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
+github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
+github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
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+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
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+github.com/ganigeorgiev/fexpr v0.5.0 h1:XA9JxtTE/Xm+g/JFI6RfZEHSiQlk+1glLvRK1Lpv/Tk=
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+github.com/gliderlabs/ssh v0.3.8 h1:a4YXD1V7xMF9g5nTkdfnja3Sxy1PVDCj1Zg4Wb8vY6c=
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+modernc.org/memory v1.10.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
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+modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
+modernc.org/sqlite v1.37.0 h1:s1TMe7T3Q3ovQiK2Ouz4Jwh7dw4ZDqbebSDTlSJdfjI=
+modernc.org/sqlite v1.37.0/go.mod h1:5YiWv+YviqGMuGw4V+PNplcyaJ5v+vQd7TQOgkACoJM=
+modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
+modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
+modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
+modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=

beszel/internal/agent/agent.go

@@ -0,0 +1,117 @@
+// Package agent handles the agent's SSH server and system stats collection.
+package agent
+
+import (
+	"beszel"
+	"beszel/internal/entities/system"
+	"log/slog"
+	"os"
+	"strings"
+	"sync"
+	"time"
+)
+
+type Agent struct {
+	sync.Mutex                               // Used to lock agent while collecting data
+	debug         bool                       // true if LOG_LEVEL is set to debug
+	zfs           bool                       // true if system has arcstats
+	memCalc       string                     // Memory calculation formula
+	fsNames       []string                   // List of filesystem device names being monitored
+	fsStats       map[string]*system.FsStats // Keeps track of disk stats for each filesystem
+	netInterfaces map[string]struct{}        // Stores all valid network interfaces
+	netIoStats    system.NetIoStats          // Keeps track of bandwidth usage
+	dockerManager *dockerManager             // Manages Docker API requests
+	sensorConfig  *SensorConfig              // Sensors config
+	systemInfo    system.Info                // Host system info
+	gpuManager    *GPUManager                // Manages GPU data
+	cache         *SessionCache              // Cache for system stats based on primary session ID
+}
+
+func NewAgent() *Agent {
+	agent := &Agent{
+		fsStats: make(map[string]*system.FsStats),
+		cache:   NewSessionCache(69 * time.Second),
+	}
+	agent.memCalc, _ = GetEnv("MEM_CALC")
+	agent.sensorConfig = agent.newSensorConfig()
+	// Set up slog with a log level determined by the LOG_LEVEL env var
+	if logLevelStr, exists := GetEnv("LOG_LEVEL"); exists {
+		switch strings.ToLower(logLevelStr) {
+		case "debug":
+			agent.debug = true
+			slog.SetLogLoggerLevel(slog.LevelDebug)
+		case "warn":
+			slog.SetLogLoggerLevel(slog.LevelWarn)
+		case "error":
+			slog.SetLogLoggerLevel(slog.LevelError)
+		}
+	}
+
+	slog.Debug(beszel.Version)
+
+	// initialize system info / docker manager
+	agent.initializeSystemInfo()
+	agent.initializeDiskInfo()
+	agent.initializeNetIoStats()
+	agent.dockerManager = newDockerManager(agent)
+
+	// initialize GPU manager
+	if gm, err := NewGPUManager(); err != nil {
+		slog.Debug("GPU", "err", err)
+	} else {
+		agent.gpuManager = gm
+	}
+
+	// if debugging, print stats
+	if agent.debug {
+		slog.Debug("Stats", "data", agent.gatherStats(""))
+	}
+
+	return agent
+}
+
+// GetEnv retrieves an environment variable with a "BESZEL_AGENT_" prefix, or falls back to the unprefixed key.
+func GetEnv(key string) (value string, exists bool) {
+	if value, exists = os.LookupEnv("BESZEL_AGENT_" + key); exists {
+		return value, exists
+	}
+	// Fallback to the old unprefixed key
+	return os.LookupEnv(key)
+}
+
+func (a *Agent) gatherStats(sessionID string) *system.CombinedData {
+	a.Lock()
+	defer a.Unlock()
+
+	cachedData, ok := a.cache.Get(sessionID)
+	if ok {
+		slog.Debug("Cached stats", "session", sessionID)
+		return cachedData
+	}
+
+	*cachedData = system.CombinedData{
+		Stats: a.getSystemStats(),
+		Info:  a.systemInfo,
+	}
+	slog.Debug("System stats", "data", cachedData)
+
+	if a.dockerManager != nil {
+		if containerStats, err := a.dockerManager.getDockerStats(); err == nil {
+			cachedData.Containers = containerStats
+			slog.Debug("Docker stats", "data", cachedData.Containers)
+		} else {
+			slog.Debug("Docker stats", "err", err)
+		}
+	}
+
+	cachedData.Stats.ExtraFs = make(map[string]*system.FsStats)
+	for name, stats := range a.fsStats {
+		if !stats.Root && stats.DiskTotal > 0 {
+			cachedData.Stats.ExtraFs[name] = stats
+		}
+	}
+	slog.Debug("Extra filesystems", "data", cachedData.Stats.ExtraFs)
+
+	a.cache.Set(sessionID, cachedData)
+	return cachedData
+}

beszel/internal/agent/agent_cache.go

@@ -0,0 +1,36 @@
+package agent
+
+import (
+	"beszel/internal/entities/system"
+	"time"
+)
+
+// Not thread safe since we only access from gatherStats which is already locked
+type SessionCache struct {
+	data           *system.CombinedData
+	lastUpdate     time.Time
+	primarySession string
+	leaseTime      time.Duration
+}
+
+func NewSessionCache(leaseTime time.Duration) *SessionCache {
+	return &SessionCache{
+		leaseTime: leaseTime,
+		data:      &system.CombinedData{},
+	}
+}
+
+func (c *SessionCache) Get(sessionID string) (stats *system.CombinedData, isCached bool) {
+	if sessionID != c.primarySession && time.Since(c.lastUpdate) < c.leaseTime {
+		return c.data, true
+	}
+	return c.data, false
+}
+
+func (c *SessionCache) Set(sessionID string, data *system.CombinedData) {
+	if data != nil {
+		*c.data = *data
+	}
+	c.primarySession = sessionID
+	c.lastUpdate = time.Now()
+}

beszel/internal/agent/agent_cache_test.go

@@ -0,0 +1,85 @@
+package agent
+
+import (
+	"beszel/internal/entities/system"
+	"testing"
+	"testing/synctest"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestSessionCache_GetSet(t *testing.T) {
+	synctest.Run(func() {
+		cache := NewSessionCache(69 * time.Second)
+
+		testData := &system.CombinedData{
+			Info: system.Info{
+				Hostname: "test-host",
+				Cores:    4,
+			},
+			Stats: system.Stats{
+				Cpu:     50.0,
+				MemPct:  30.0,
+				DiskPct: 40.0,
+			},
+		}
+
+		// Test initial state - should not be cached
+		data, isCached := cache.Get("session1")
+		assert.False(t, isCached, "Expected no cached data initially")
+		assert.NotNil(t, data, "Expected data to be initialized")
+		// Set data for session1
+		cache.Set("session1", testData)
+
+		time.Sleep(15 * time.Second)
+
+		// Get data for a different session - should be cached
+		data, isCached = cache.Get("session2")
+		assert.True(t, isCached, "Expected data to be cached for non-primary session")
+		require.NotNil(t, data, "Expected cached data to be returned")
+		assert.Equal(t, "test-host", data.Info.Hostname, "Hostname should match test data")
+		assert.Equal(t, 4, data.Info.Cores, "Cores should match test data")
+		assert.Equal(t, 50.0, data.Stats.Cpu, "CPU should match test data")
+		assert.Equal(t, 30.0, data.Stats.MemPct, "Memory percentage should match test data")
+		assert.Equal(t, 40.0, data.Stats.DiskPct, "Disk percentage should match test data")
+
+		time.Sleep(10 * time.Second)
+
+		// Get data for the primary session - should not be cached
+		data, isCached = cache.Get("session1")
+		assert.False(t, isCached, "Expected data not to be cached for primary session")
+		require.NotNil(t, data, "Expected data to be returned even if not cached")
+		assert.Equal(t, "test-host", data.Info.Hostname, "Hostname should match test data")
+		// if not cached, agent will update the data
+		cache.Set("session1", testData)
+
+		time.Sleep(45 * time.Second)
+
+		// Get data for a different session - should still be cached
+		_, isCached = cache.Get("session2")
+		assert.True(t, isCached, "Expected data to be cached for non-primary session")
+
+		// Wait for the lease to expire
+		time.Sleep(30 * time.Second)
+
+		// Get data for session2 - should not be cached
+		_, isCached = cache.Get("session2")
+		assert.False(t, isCached, "Expected data not to be cached after lease expiration")
+	})
+}
+
+func TestSessionCache_NilData(t *testing.T) {
+	// Create a new SessionCache
+	cache := NewSessionCache(30 * time.Second)
+
+	// Test setting nil data (should not panic)
+	assert.NotPanics(t, func() {
+		cache.Set("session1", nil)
+	}, "Setting nil data should not panic")
+
+	// Get data - should not be nil even though we set nil
+	data, _ := cache.Get("session2")
+	assert.NotNil(t, data, "Expected data to not be nil after setting nil data")
+}

beszel/internal/agent/disk.go

@@ -0,0 +1,190 @@
+package agent
+
+import (
+	"beszel/internal/entities/system"
+	"log/slog"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/shirou/gopsutil/v4/disk"
+)
+
+// Sets up the filesystems to monitor for disk usage and I/O.
+func (a *Agent) initializeDiskInfo() {
+	filesystem, _ := GetEnv("FILESYSTEM")
+	efPath := "/extra-filesystems"
+	hasRoot := false
+
+	partitions, err := disk.Partitions(false)
+	if err != nil {
+		slog.Error("Error getting disk partitions", "err", err)
+	}
+	slog.Debug("Disk", "partitions", partitions)
+
+	// ioContext := context.WithValue(a.sensorsContext,
+	// 	common.EnvKey, common.EnvMap{common.HostProcEnvKey: "/tmp/testproc"},
+	// )
+	// diskIoCounters, err := disk.IOCountersWithContext(ioContext)
+
+	diskIoCounters, err := disk.IOCounters()
+	if err != nil {
+		slog.Error("Error getting diskstats", "err", err)
+	}
+	slog.Debug("Disk I/O", "diskstats", diskIoCounters)
+
+	// Helper function to add a filesystem to fsStats if it doesn't exist
+	addFsStat := func(device, mountpoint string, root bool) {
+		var key string
+		if runtime.GOOS == "windows" {
+			key = device
+		} else {
+			key = filepath.Base(device)
+		}
+		var ioMatch bool
+		if _, exists := a.fsStats[key]; !exists {
+			if root {
+				slog.Info("Detected root device", "name", key)
+				// Check if root device is in /proc/diskstats, use fallback if not
+				if _, ioMatch = diskIoCounters[key]; !ioMatch {
+					key, ioMatch = findIoDevice(filesystem, diskIoCounters, a.fsStats)
+					if !ioMatch {
+						slog.Info("Using I/O fallback", "device", device, "mountpoint", mountpoint, "fallback", key)
+					}
+				}
+			} else {
+				// Check if non-root has diskstats and fall back to folder name if not
+				// Scenario: device is encrypted and named luks-2bcb02be-999d-4417-8d18-5c61e660fb6e - not in /proc/diskstats.
+				// However, the device can be specified by mounting folder from luks device at /extra-filesystems/sda1
+				if _, ioMatch = diskIoCounters[key]; !ioMatch {
+					efBase := filepath.Base(mountpoint)
+					if _, ioMatch = diskIoCounters[efBase]; ioMatch {
+						key = efBase
+					}
+				}
+			}
+			a.fsStats[key] = &system.FsStats{Root: root, Mountpoint: mountpoint}
+		}
+	}
+
+	// Use FILESYSTEM env var to find root filesystem
+	if filesystem != "" {
+		for _, p := range partitions {
+			if strings.HasSuffix(p.Device, filesystem) || p.Mountpoint == filesystem {
+				addFsStat(p.Device, p.Mountpoint, true)
+				hasRoot = true
+				break
+			}
+		}
+		if !hasRoot {
+			slog.Warn("Partition details not found", "filesystem", filesystem)
+		}
+	}
+
+	// Add EXTRA_FILESYSTEMS env var values to fsStats
+	if extraFilesystems, exists := GetEnv("EXTRA_FILESYSTEMS"); exists {
+		for _, fs := range strings.Split(extraFilesystems, ",") {
+			found := false
+			for _, p := range partitions {
+				if strings.HasSuffix(p.Device, fs) || p.Mountpoint == fs {
+					addFsStat(p.Device, p.Mountpoint, false)
+					found = true
+					break
+				}
+			}
+			// if not in partitions, test if we can get disk usage
+			if !found {
+				if _, err := disk.Usage(fs); err == nil {
+					addFsStat(filepath.Base(fs), fs, false)
+				} else {
+					slog.Error("Invalid filesystem", "name", fs, "err", err)
+				}
+			}
+		}
+	}
+
+	// Process partitions for various mount points
+	for _, p := range partitions {
+		// fmt.Println(p.Device, p.Mountpoint)
+		// Binary root fallback or docker root fallback
+		if !hasRoot && (p.Mountpoint == "/" || (p.Mountpoint == "/etc/hosts" && strings.HasPrefix(p.Device, "/dev"))) {
+			fs, match := findIoDevice(filepath.Base(p.Device), diskIoCounters, a.fsStats)
+			if match {
+				addFsStat(fs, p.Mountpoint, true)
+				hasRoot = true
+			}
+		}
+
+		// Check if device is in /extra-filesystems
+		if strings.HasPrefix(p.Mountpoint, efPath) {
+			addFsStat(p.Device, p.Mountpoint, false)
+		}
+	}
+
+	// Check all folders in /extra-filesystems and add them if not already present
+	if folders, err := os.ReadDir(efPath); err == nil {
+		existingMountpoints := make(map[string]bool)
+		for _, stats := range a.fsStats {
+			existingMountpoints[stats.Mountpoint] = true
+		}
+		for _, folder := range folders {
+			if folder.IsDir() {
+				mountpoint := filepath.Join(efPath, folder.Name())
+				slog.Debug("/extra-filesystems", "mountpoint", mountpoint)
+				if !existingMountpoints[mountpoint] {
+					addFsStat(folder.Name(), mountpoint, false)
+				}
+			}
+		}
+	}
+
+	// If no root filesystem set, use fallback
+	if !hasRoot {
+		rootDevice, _ := findIoDevice(filepath.Base(filesystem), diskIoCounters, a.fsStats)
+		slog.Info("Root disk", "mountpoint", "/", "io", rootDevice)
+		a.fsStats[rootDevice] = &system.FsStats{Root: true, Mountpoint: "/"}
+	}
+
+	a.initializeDiskIoStats(diskIoCounters)
+}
+
+// Returns matching device from /proc/diskstats,
+// or the device with the most reads if no match is found.
+// bool is true if a match was found.
+func findIoDevice(filesystem string, diskIoCounters map[string]disk.IOCountersStat, fsStats map[string]*system.FsStats) (string, bool) {
+	var maxReadBytes uint64
+	maxReadDevice := "/"
+	for _, d := range diskIoCounters {
+		if d.Name == filesystem || (d.Label != "" && d.Label == filesystem) {
+			return d.Name, true
+		}
+		if d.ReadBytes > maxReadBytes {
+			// don't use if device already exists in fsStats
+			if _, exists := fsStats[d.Name]; !exists {
+				maxReadBytes = d.ReadBytes
+				maxReadDevice = d.Name
+			}
+		}
+	}
+	return maxReadDevice, false
+}
+
+// Sets start values for disk I/O stats.
+func (a *Agent) initializeDiskIoStats(diskIoCounters map[string]disk.IOCountersStat) {
+	for device, stats := range a.fsStats {
+		// skip if not in diskIoCounters
+		d, exists := diskIoCounters[device]
+		if !exists {
+			slog.Warn("Device not found in diskstats", "name", device)
+			continue
+		}
+		// populate initial values
+		stats.Time = time.Now()
+		stats.TotalRead = d.ReadBytes
+		stats.TotalWrite = d.WriteBytes
+		// add to list of valid io device names
+		a.fsNames = append(a.fsNames, device)
+	}
+}

beszel/internal/agent/docker.go

@@ -0,0 +1,337 @@
+package agent
+
+import (
+	"beszel/internal/entities/container"
+	"context"
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/blang/semver"
+)
+
+type dockerManager struct {
+	client              *http.Client                // Client to query Docker API
+	wg                  sync.WaitGroup              // WaitGroup to wait for all goroutines to finish
+	sem                 chan struct{}               // Semaphore to limit concurrent container requests
+	containerStatsMutex sync.RWMutex                // Mutex to prevent concurrent access to containerStatsMap
+	apiContainerList    []*container.ApiInfo        // List of containers from Docker API (no pointer)
+	containerStatsMap   map[string]*container.Stats // Keeps track of container stats
+	validIds            map[string]struct{}         // Map of valid container ids, used to prune invalid containers from containerStatsMap
+	goodDockerVersion   bool                        // Whether docker version is at least 25.0.0 (one-shot works correctly)
+	isWindows           bool                        // Whether the Docker Engine API is running on Windows
+}
+
+// userAgentRoundTripper is a custom http.RoundTripper that adds a User-Agent header to all requests
+type userAgentRoundTripper struct {
+	rt        http.RoundTripper
+	userAgent string
+}
+
+// RoundTrip implements the http.RoundTripper interface
+func (u *userAgentRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
+	req.Header.Set("User-Agent", u.userAgent)
+	return u.rt.RoundTrip(req)
+}
+
+// Add goroutine to the queue
+func (d *dockerManager) queue() {
+	d.wg.Add(1)
+	if d.goodDockerVersion {
+		d.sem <- struct{}{}
+	}
+}
+
+// Remove goroutine from the queue
+func (d *dockerManager) dequeue() {
+	d.wg.Done()
+	if d.goodDockerVersion {
+		<-d.sem
+	}
+}
+
+// Returns stats for all running containers
+func (dm *dockerManager) getDockerStats() ([]*container.Stats, error) {
+	resp, err := dm.client.Get("http://localhost/containers/json")
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	dm.apiContainerList = dm.apiContainerList[:0]
+	if err := json.NewDecoder(resp.Body).Decode(&dm.apiContainerList); err != nil {
+		return nil, err
+	}
+
+	dm.isWindows = strings.Contains(resp.Header.Get("Server"), "windows")
+
+	containersLength := len(dm.apiContainerList)
+
+	// store valid ids to clean up old container ids from map
+	if dm.validIds == nil {
+		dm.validIds = make(map[string]struct{}, containersLength)
+	} else {
+		clear(dm.validIds)
+	}
+
+	var failedContainers []*container.ApiInfo
+
+	for _, ctr := range dm.apiContainerList {
+		ctr.IdShort = ctr.Id[:12]
+		dm.validIds[ctr.IdShort] = struct{}{}
+		// check if container is less than 1 minute old (possible restart)
+		// note: can't use Created field because it's not updated on restart
+		if strings.Contains(ctr.Status, "second") {
+			// if so, remove old container data
+			dm.deleteContainerStatsSync(ctr.IdShort)
+		}
+		dm.queue()
+		go func() {
+			defer dm.dequeue()
+			err := dm.updateContainerStats(ctr)
+			// if error, delete from map and add to failed list to retry
+			if err != nil {
+				dm.containerStatsMutex.Lock()
+				delete(dm.containerStatsMap, ctr.IdShort)
+				failedContainers = append(failedContainers, ctr)
+				dm.containerStatsMutex.Unlock()
+			}
+		}()
+	}
+
+	dm.wg.Wait()
+
+	// retry failed containers separately so we can run them in parallel (docker 24 bug)
+	if len(failedContainers) > 0 {
+		slog.Debug("Retrying failed containers", "count", len(failedContainers))
+		for _, ctr := range failedContainers {
+			dm.queue()
+			go func() {
+				defer dm.dequeue()
+				err = dm.updateContainerStats(ctr)
+				if err != nil {
+					slog.Error("Error getting container stats", "err", err)
+				}
+			}()
+		}
+		dm.wg.Wait()
+	}
+
+	// populate final stats and remove old / invalid container stats
+	stats := make([]*container.Stats, 0, containersLength)
+	for id, v := range dm.containerStatsMap {
+		if _, exists := dm.validIds[id]; !exists {
+			delete(dm.containerStatsMap, id)
+		} else {
+			stats = append(stats, v)
+		}
+	}
+
+	return stats, nil
+}
+
+// Updates stats for individual container
+func (dm *dockerManager) updateContainerStats(ctr *container.ApiInfo) error {
+	name := ctr.Names[0][1:]
+
+	resp, err := dm.client.Get("http://localhost/containers/" + ctr.IdShort + "/stats?stream=0&one-shot=1")
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	dm.containerStatsMutex.Lock()
+	defer dm.containerStatsMutex.Unlock()
+
+	// add empty values if they doesn't exist in map
+	stats, initialized := dm.containerStatsMap[ctr.IdShort]
+	if !initialized {
+		stats = &container.Stats{Name: name}
+		dm.containerStatsMap[ctr.IdShort] = stats
+	}
+
+	// reset current stats
+	stats.Cpu = 0
+	stats.Mem = 0
+	stats.NetworkSent = 0
+	stats.NetworkRecv = 0
+
+	// docker host container stats response
+	var res container.ApiStats
+	if err := json.NewDecoder(resp.Body).Decode(&res); err != nil {
+		return err
+	}
+
+	// calculate cpu and memory stats
+	var usedMemory uint64
+	var cpuPct float64
+
+	if dm.isWindows {
+		usedMemory = res.MemoryStats.PrivateWorkingSet
+		cpuPct = res.CalculateCpuPercentWindows(stats.PrevCpu[0], stats.PrevRead)
+	} else {
+		// check if container has valid data, otherwise may be in restart loop (#103)
+		if res.MemoryStats.Usage == 0 {
+			return fmt.Errorf("%s - no memory stats - see https://github.com/henrygd/beszel/issues/144", name)
+		}
+		memCache := res.MemoryStats.Stats.InactiveFile
+		if memCache == 0 {
+			memCache = res.MemoryStats.Stats.Cache
+		}
+		usedMemory = res.MemoryStats.Usage - memCache
+
+		cpuPct = res.CalculateCpuPercentLinux(stats.PrevCpu)
+	}
+
+	if cpuPct > 100 {
+		return fmt.Errorf("%s cpu pct greater than 100: %+v", name, cpuPct)
+	}
+	stats.PrevCpu = [2]uint64{res.CPUStats.CPUUsage.TotalUsage, res.CPUStats.SystemUsage}
+
+	// network
+	var total_sent, total_recv uint64
+	for _, v := range res.Networks {
+		total_sent += v.TxBytes
+		total_recv += v.RxBytes
+	}
+	var sent_delta, recv_delta float64
+	// prevent first run from sending all prev sent/recv bytes
+	if initialized {
+		secondsElapsed := time.Since(stats.PrevRead).Seconds()
+		sent_delta = float64(total_sent-stats.PrevNet.Sent) / secondsElapsed
+		recv_delta = float64(total_recv-stats.PrevNet.Recv) / secondsElapsed
+	}
+	stats.PrevNet.Sent = total_sent
+	stats.PrevNet.Recv = total_recv
+
+	stats.Cpu = twoDecimals(cpuPct)
+	stats.Mem = bytesToMegabytes(float64(usedMemory))
+	stats.NetworkSent = bytesToMegabytes(sent_delta)
+	stats.NetworkRecv = bytesToMegabytes(recv_delta)
+	stats.PrevRead = res.Read
+
+	return nil
+}
+
+// Delete container stats from map using mutex
+func (dm *dockerManager) deleteContainerStatsSync(id string) {
+	dm.containerStatsMutex.Lock()
+	defer dm.containerStatsMutex.Unlock()
+	delete(dm.containerStatsMap, id)
+}
+
+// Creates a new http client for Docker or Podman API
+func newDockerManager(a *Agent) *dockerManager {
+	dockerHost, exists := GetEnv("DOCKER_HOST")
+	if exists {
+		slog.Info("DOCKER_HOST", "host", dockerHost)
+		// return nil if set to empty string
+		if dockerHost == "" {
+			return nil
+		}
+	} else {
+		dockerHost = getDockerHost()
+	}
+
+	parsedURL, err := url.Parse(dockerHost)
+	if err != nil {
+		slog.Error("Error parsing DOCKER_HOST", "err", err)
+		os.Exit(1)
+	}
+
+	transport := &http.Transport{
+		DisableCompression: true,
+		MaxConnsPerHost:    0,
+	}
+
+	switch parsedURL.Scheme {
+	case "unix":
+		transport.DialContext = func(ctx context.Context, proto, addr string) (net.Conn, error) {
+			return (&net.Dialer{}).DialContext(ctx, "unix", parsedURL.Path)
+		}
+	case "tcp", "http", "https":
+		transport.DialContext = func(ctx context.Context, proto, addr string) (net.Conn, error) {
+			return (&net.Dialer{}).DialContext(ctx, "tcp", parsedURL.Host)
+		}
+	default:
+		slog.Error("Invalid DOCKER_HOST", "scheme", parsedURL.Scheme)
+		os.Exit(1)
+	}
+
+	// configurable timeout
+	timeout := time.Millisecond * 2100
+	if t, set := GetEnv("DOCKER_TIMEOUT"); set {
+		timeout, err = time.ParseDuration(t)
+		if err != nil {
+			slog.Error(err.Error())
+			os.Exit(1)
+		}
+		slog.Info("DOCKER_TIMEOUT", "timeout", timeout)
+	}
+
+	// Custom user-agent to avoid docker bug: https://github.com/docker/for-mac/issues/7575
+	userAgentTransport := &userAgentRoundTripper{
+		rt:        transport,
+		userAgent: "Docker-Client/",
+	}
+
+	manager := &dockerManager{
+		client: &http.Client{
+			Timeout:   timeout,
+			Transport: userAgentTransport,
+		},
+		containerStatsMap: make(map[string]*container.Stats),
+		sem:               make(chan struct{}, 5),
+		apiContainerList:  []*container.ApiInfo{},
+	}
+
+	// If using podman, return client
+	if strings.Contains(dockerHost, "podman") {
+		a.systemInfo.Podman = true
+		manager.goodDockerVersion = true
+		return manager
+	}
+
+	// Check docker version
+	// (versions before 25.0.0 have a bug with one-shot which requires all requests to be made in one batch)
+	var versionInfo struct {
+		Version string `json:"Version"`
+	}
+	resp, err := manager.client.Get("http://localhost/version")
+	if err != nil {
+		return manager
+	}
+	defer resp.Body.Close()
+
+	if err := json.NewDecoder(resp.Body).Decode(&versionInfo); err != nil {
+		return manager
+	}
+
+	// if version > 24, one-shot works correctly and we can limit concurrent operations
+	if dockerVersion, err := semver.Parse(versionInfo.Version); err == nil && dockerVersion.Major > 24 {
+		manager.goodDockerVersion = true
+	} else {
+		slog.Info(fmt.Sprintf("Docker %s is outdated. Upgrade if possible. See https://github.com/henrygd/beszel/issues/58", versionInfo.Version))
+	}
+
+	return manager
+}
+
+// Test docker / podman sockets and return if one exists
+func getDockerHost() string {
+	scheme := "unix://"
+	socks := []string{"/var/run/docker.sock", fmt.Sprintf("/run/user/%v/podman/podman.sock", os.Getuid())}
+	for _, sock := range socks {
+		if _, err := os.Stat(sock); err == nil {
+			return scheme + sock
+		}
+	}
+	return scheme + socks[0]
+}

beszel/internal/agent/gpu.go

@@ -0,0 +1,343 @@
+package agent
+
+import (
+	"beszel/internal/entities/system"
+	"bufio"
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"os/exec"
+	"regexp"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"golang.org/x/exp/slog"
+)
+
+const (
+	// Commands
+	nvidiaSmiCmd  = "nvidia-smi"
+	rocmSmiCmd    = "rocm-smi"
+	tegraStatsCmd = "tegrastats"
+
+	// Polling intervals
+	nvidiaSmiInterval  = "4"    // in seconds
+	tegraStatsInterval = "3700" // in milliseconds
+	rocmSmiInterval    = 4300 * time.Millisecond
+
+	// Command retry and timeout constants
+	retryWaitTime     = 5 * time.Second
+	maxFailureRetries = 5
+
+	cmdBufferSize = 10 * 1024
+
+	// Unit Conversions
+	mebibytesInAMegabyte = 1.024  // nvidia-smi reports memory in MiB
+	milliwattsInAWatt    = 1000.0 // tegrastats reports power in mW
+)
+
+// GPUManager manages data collection for GPUs (either Nvidia or AMD)
+type GPUManager struct {
+	sync.Mutex
+	nvidiaSmi  bool
+	rocmSmi    bool
+	tegrastats bool
+	GpuDataMap map[string]*system.GPUData
+}
+
+// RocmSmiJson represents the JSON structure of rocm-smi output
+type RocmSmiJson struct {
+	ID           string `json:"GUID"`
+	Name         string `json:"Card series"`
+	Temperature  string `json:"Temperature (Sensor edge) (C)"`
+	MemoryUsed   string `json:"VRAM Total Used Memory (B)"`
+	MemoryTotal  string `json:"VRAM Total Memory (B)"`
+	Usage        string `json:"GPU use (%)"`
+	PowerPackage string `json:"Average Graphics Package Power (W)"`
+	PowerSocket  string `json:"Current Socket Graphics Package Power (W)"`
+}
+
+// gpuCollector defines a collector for a specific GPU management utility (nvidia-smi or rocm-smi)
+type gpuCollector struct {
+	name    string
+	cmdArgs []string
+	parse   func([]byte) bool // returns true if valid data was found
+	buf     []byte
+}
+
+var errNoValidData = fmt.Errorf("no valid GPU data found") // Error for missing data
+
+// starts and manages the ongoing collection of GPU data for the specified GPU management utility
+func (c *gpuCollector) start() {
+	for {
+		err := c.collect()
+		if err != nil {
+			if err == errNoValidData {
+				slog.Warn(c.name + " found no valid GPU data, stopping")
+				break
+			}
+			slog.Warn(c.name+" failed, restarting", "err", err)
+			time.Sleep(retryWaitTime)
+			continue
+		}
+	}
+}
+
+// collect executes the command, parses output with the assigned parser function
+func (c *gpuCollector) collect() error {
+	cmd := exec.Command(c.name, c.cmdArgs...)
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		return err
+	}
+	if err := cmd.Start(); err != nil {
+		return err
+	}
+
+	scanner := bufio.NewScanner(stdout)
+	if c.buf == nil {
+		c.buf = make([]byte, 0, cmdBufferSize)
+	}
+	scanner.Buffer(c.buf, bufio.MaxScanTokenSize)
+
+	for scanner.Scan() {
+		hasValidData := c.parse(scanner.Bytes())
+		if !hasValidData {
+			return errNoValidData
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return fmt.Errorf("scanner error: %w", err)
+	}
+	return cmd.Wait()
+}
+
+// getJetsonParser returns a function to parse the output of tegrastats and update the GPUData map
+func (gm *GPUManager) getJetsonParser() func(output []byte) bool {
+	// use closure to avoid recompiling the regex
+	ramPattern := regexp.MustCompile(`RAM (\d+)/(\d+)MB`)
+	gr3dPattern := regexp.MustCompile(`GR3D_FREQ (\d+)%`)
+	tempPattern := regexp.MustCompile(`tj@(\d+\.?\d*)C`)
+	// Orin Nano / NX do not have GPU specific power monitor
+	// TODO: Maybe use VDD_IN for Nano / NX and add a total system power chart
+	powerPattern := regexp.MustCompile(`(GPU_SOC|CPU_GPU_CV) (\d+)mW`)
+
+	// jetson devices have only one gpu so we'll just initialize here
+	gpuData := &system.GPUData{Name: "GPU"}
+	gm.GpuDataMap["0"] = gpuData
+
+	return func(output []byte) bool {
+		gm.Lock()
+		defer gm.Unlock()
+		// Parse RAM usage
+		ramMatches := ramPattern.FindSubmatch(output)
+		if ramMatches != nil {
+			gpuData.MemoryUsed, _ = strconv.ParseFloat(string(ramMatches[1]), 64)
+			gpuData.MemoryTotal, _ = strconv.ParseFloat(string(ramMatches[2]), 64)
+		}
+		// Parse GR3D (GPU) usage
+		gr3dMatches := gr3dPattern.FindSubmatch(output)
+		if gr3dMatches != nil {
+			gr3dUsage, _ := strconv.ParseFloat(string(gr3dMatches[1]), 64)
+			gpuData.Usage += gr3dUsage
+		}
+		// Parse temperature
+		tempMatches := tempPattern.FindSubmatch(output)
+		if tempMatches != nil {
+			gpuData.Temperature, _ = strconv.ParseFloat(string(tempMatches[1]), 64)
+		}
+		// Parse power usage
+		powerMatches := powerPattern.FindSubmatch(output)
+		if powerMatches != nil {
+			power, _ := strconv.ParseFloat(string(powerMatches[2]), 64)
+			gpuData.Power += power / milliwattsInAWatt
+		}
+		gpuData.Count++
+		return true
+	}
+}
+
+// parseNvidiaData parses the output of nvidia-smi and updates the GPUData map
+func (gm *GPUManager) parseNvidiaData(output []byte) bool {
+	gm.Lock()
+	defer gm.Unlock()
+	scanner := bufio.NewScanner(bytes.NewReader(output))
+	var valid bool
+	for scanner.Scan() {
+		line := scanner.Text() // Or use scanner.Bytes() for []byte
+		fields := strings.Split(strings.TrimSpace(line), ", ")
+		if len(fields) < 7 {
+			continue
+		}
+		valid = true
+		id := fields[0]
+		temp, _ := strconv.ParseFloat(fields[2], 64)
+		memoryUsage, _ := strconv.ParseFloat(fields[3], 64)
+		totalMemory, _ := strconv.ParseFloat(fields[4], 64)
+		usage, _ := strconv.ParseFloat(fields[5], 64)
+		power, _ := strconv.ParseFloat(fields[6], 64)
+		// add gpu if not exists
+		if _, ok := gm.GpuDataMap[id]; !ok {
+			name := strings.TrimPrefix(fields[1], "NVIDIA ")
+			gm.GpuDataMap[id] = &system.GPUData{Name: strings.TrimSuffix(name, " Laptop GPU")}
+		}
+		// update gpu data
+		gpu := gm.GpuDataMap[id]
+		gpu.Temperature = temp
+		gpu.MemoryUsed = memoryUsage / mebibytesInAMegabyte
+		gpu.MemoryTotal = totalMemory / mebibytesInAMegabyte
+		gpu.Usage += usage
+		gpu.Power += power
+		gpu.Count++
+	}
+	return valid
+}
+
+// parseAmdData parses the output of rocm-smi and updates the GPUData map
+func (gm *GPUManager) parseAmdData(output []byte) bool {
+	var rocmSmiInfo map[string]RocmSmiJson
+	if err := json.Unmarshal(output, &rocmSmiInfo); err != nil || len(rocmSmiInfo) == 0 {
+		return false
+	}
+	gm.Lock()
+	defer gm.Unlock()
+	for _, v := range rocmSmiInfo {
+		var power float64
+		if v.PowerPackage != "" {
+			power, _ = strconv.ParseFloat(v.PowerPackage, 64)
+		} else {
+			power, _ = strconv.ParseFloat(v.PowerSocket, 64)
+		}
+		memoryUsage, _ := strconv.ParseFloat(v.MemoryUsed, 64)
+		totalMemory, _ := strconv.ParseFloat(v.MemoryTotal, 64)
+		usage, _ := strconv.ParseFloat(v.Usage, 64)
+
+		if _, ok := gm.GpuDataMap[v.ID]; !ok {
+			gm.GpuDataMap[v.ID] = &system.GPUData{Name: v.Name}
+		}
+		gpu := gm.GpuDataMap[v.ID]
+		gpu.Temperature, _ = strconv.ParseFloat(v.Temperature, 64)
+		gpu.MemoryUsed = bytesToMegabytes(memoryUsage)
+		gpu.MemoryTotal = bytesToMegabytes(totalMemory)
+		gpu.Usage += usage
+		gpu.Power += power
+		gpu.Count++
+	}
+	return true
+}
+
+// sums and resets the current GPU utilization data since the last update
+func (gm *GPUManager) GetCurrentData() map[string]system.GPUData {
+	gm.Lock()
+	defer gm.Unlock()
+
+	// check for GPUs with the same name
+	nameCounts := make(map[string]int)
+	for _, gpu := range gm.GpuDataMap {
+		nameCounts[gpu.Name]++
+	}
+
+	// copy / reset the data
+	gpuData := make(map[string]system.GPUData, len(gm.GpuDataMap))
+	for id, gpu := range gm.GpuDataMap {
+		// sum the data
+		gpu.Temperature = twoDecimals(gpu.Temperature)
+		gpu.MemoryUsed = twoDecimals(gpu.MemoryUsed)
+		gpu.MemoryTotal = twoDecimals(gpu.MemoryTotal)
+		gpu.Usage = twoDecimals(gpu.Usage / gpu.Count)
+		gpu.Power = twoDecimals(gpu.Power / gpu.Count)
+		// reset the count
+		gpu.Count = 1
+		// dereference to avoid overwriting anything else
+		gpuCopy := *gpu
+		// append id to the name if there are multiple GPUs with the same name
+		if nameCounts[gpu.Name] > 1 {
+			gpuCopy.Name = fmt.Sprintf("%s %s", gpu.Name, id)
+		}
+		gpuData[id] = gpuCopy
+	}
+	slog.Debug("GPU", "data", gpuData)
+	return gpuData
+}
+
+// detectGPUs checks for the presence of GPU management tools (nvidia-smi, rocm-smi, tegrastats)
+// in the system path. It sets the corresponding flags in the GPUManager struct if any of these
+// tools are found. If none of the tools are found, it returns an error indicating that no GPU
+// management tools are available.
+func (gm *GPUManager) detectGPUs() error {
+	if _, err := exec.LookPath(nvidiaSmiCmd); err == nil {
+		gm.nvidiaSmi = true
+	}
+	if _, err := exec.LookPath(rocmSmiCmd); err == nil {
+		gm.rocmSmi = true
+	}
+	if _, err := exec.LookPath(tegraStatsCmd); err == nil {
+		gm.tegrastats = true
+		gm.nvidiaSmi = false
+	}
+	if gm.nvidiaSmi || gm.rocmSmi || gm.tegrastats {
+		return nil
+	}
+	return fmt.Errorf("no GPU found - install nvidia-smi, rocm-smi, or tegrastats")
+}
+
+// startCollector starts the appropriate GPU data collector based on the command
+func (gm *GPUManager) startCollector(command string) {
+	collector := gpuCollector{
+		name: command,
+	}
+	switch command {
+	case nvidiaSmiCmd:
+		collector.cmdArgs = []string{
+			"-l", nvidiaSmiInterval,
+			"--query-gpu=index,name,temperature.gpu,memory.used,memory.total,utilization.gpu,power.draw",
+			"--format=csv,noheader,nounits",
+		}
+		collector.parse = gm.parseNvidiaData
+		go collector.start()
+	case tegraStatsCmd:
+		collector.cmdArgs = []string{"--interval", tegraStatsInterval}
+		collector.parse = gm.getJetsonParser()
+		go collector.start()
+	case rocmSmiCmd:
+		collector.cmdArgs = []string{"--showid", "--showtemp", "--showuse", "--showpower", "--showproductname", "--showmeminfo", "vram", "--json"}
+		collector.parse = gm.parseAmdData
+		go func() {
+			failures := 0
+			for {
+				if err := collector.collect(); err != nil {
+					failures++
+					if failures > maxFailureRetries {
+						break
+					}
+					slog.Warn("Error collecting AMD GPU data", "err", err)
+				}
+				time.Sleep(rocmSmiInterval)
+			}
+		}()
+	}
+}
+
+// NewGPUManager creates and initializes a new GPUManager
+func NewGPUManager() (*GPUManager, error) {
+	var gm GPUManager
+	if err := gm.detectGPUs(); err != nil {
+		return nil, err
+	}
+	gm.GpuDataMap = make(map[string]*system.GPUData)
+
+	if gm.nvidiaSmi {
+		gm.startCollector(nvidiaSmiCmd)
+	}
+	if gm.rocmSmi {
+		gm.startCollector(rocmSmiCmd)
+	}
+	if gm.tegrastats {
+		gm.startCollector(tegraStatsCmd)
+	}
+
+	return &gm, nil
+}

beszel/internal/agent/gpu_test.go

@@ -0,0 +1,727 @@
+//go:build testing
+// +build testing
+
+package agent
+
+import (
+	"beszel/internal/entities/system"
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestParseNvidiaData(t *testing.T) {
+	tests := []struct {
+		name      string
+		input     string
+		wantData  map[string]system.GPUData
+		wantValid bool
+	}{
+		{
+			name:  "valid multi-gpu data",
+			input: "0, NVIDIA GeForce RTX 3050 Ti Laptop GPU, 48, 12, 4096, 26.3, 12.73\n1, NVIDIA A100-PCIE-40GB, 38, 74, 40960, [N/A], 36.79",
+			wantData: map[string]system.GPUData{
+				"0": {
+					Name:        "GeForce RTX 3050 Ti",
+					Temperature: 48.0,
+					MemoryUsed:  12.0 / 1.024,
+					MemoryTotal: 4096.0 / 1.024,
+					Usage:       26.3,
+					Power:       12.73,
+					Count:       1,
+				},
+				"1": {
+					Name:        "A100-PCIE-40GB",
+					Temperature: 38.0,
+					MemoryUsed:  74.0 / 1.024,
+					MemoryTotal: 40960.0 / 1.024,
+					Usage:       0.0,
+					Power:       36.79,
+					Count:       1,
+				},
+			},
+			wantValid: true,
+		},
+		{
+			name: "more valid multi-gpu data",
+			input: `0, NVIDIA A10, 45, 19676, 23028, 0, 58.98
+1, NVIDIA A10, 45, 19638, 23028, 0, 62.35
+2, NVIDIA A10, 44, 21700, 23028, 0, 59.57
+3, NVIDIA A10, 45, 18222, 23028, 0, 61.76`,
+			wantData: map[string]system.GPUData{
+				"0": {
+					Name:        "A10",
+					Temperature: 45.0,
+					MemoryUsed:  19676.0 / 1.024,
+					MemoryTotal: 23028.0 / 1.024,
+					Usage:       0.0,
+					Power:       58.98,
+					Count:       1,
+				},
+				"1": {
+					Name:        "A10",
+					Temperature: 45.0,
+					MemoryUsed:  19638.0 / 1.024,
+					MemoryTotal: 23028.0 / 1.024,
+					Usage:       0.0,
+					Power:       62.35,
+					Count:       1,
+				},
+				"2": {
+					Name:        "A10",
+					Temperature: 44.0,
+					MemoryUsed:  21700.0 / 1.024,
+					MemoryTotal: 23028.0 / 1.024,
+					Usage:       0.0,
+					Power:       59.57,
+					Count:       1,
+				},
+				"3": {
+					Name:        "A10",
+					Temperature: 45.0,
+					MemoryUsed:  18222.0 / 1.024,
+					MemoryTotal: 23028.0 / 1.024,
+					Usage:       0.0,
+					Power:       61.76,
+					Count:       1,
+				},
+			},
+			wantValid: true,
+		},
+		{
+			name:      "empty input",
+			input:     "",
+			wantData:  map[string]system.GPUData{},
+			wantValid: false,
+		},
+		{
+			name:      "malformed data",
+			input:     "bad, data, here",
+			wantData:  map[string]system.GPUData{},
+			wantValid: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gm := &GPUManager{
+				GpuDataMap: make(map[string]*system.GPUData),
+			}
+			valid := gm.parseNvidiaData([]byte(tt.input))
+			assert.Equal(t, tt.wantValid, valid)
+
+			if tt.wantValid {
+				for id, want := range tt.wantData {
+					got := gm.GpuDataMap[id]
+					require.NotNil(t, got)
+					assert.Equal(t, want.Name, got.Name)
+					assert.InDelta(t, want.Temperature, got.Temperature, 0.01)
+					assert.InDelta(t, want.MemoryUsed, got.MemoryUsed, 0.01)
+					assert.InDelta(t, want.MemoryTotal, got.MemoryTotal, 0.01)
+					assert.InDelta(t, want.Usage, got.Usage, 0.01)
+					assert.InDelta(t, want.Power, got.Power, 0.01)
+					assert.Equal(t, want.Count, got.Count)
+				}
+			}
+		})
+	}
+}
+
+func TestParseAmdData(t *testing.T) {
+	tests := []struct {
+		name      string
+		input     string
+		wantData  map[string]system.GPUData
+		wantValid bool
+	}{
+		{
+			name: "valid single gpu data",
+			input: `{
+				"card0": {
+					"GUID": "34756",
+					"Temperature (Sensor edge) (C)": "47.0",
+					"Current Socket Graphics Package Power (W)": "9.215",
+					"GPU use (%)": "0",
+					"VRAM Total Memory (B)": "536870912",
+					"VRAM Total Used Memory (B)": "482263040",
+					"Card Series": "Rembrandt [Radeon 680M]"
+				}
+			}`,
+			wantData: map[string]system.GPUData{
+				"34756": {
+					Name:        "Rembrandt [Radeon 680M]",
+					Temperature: 47.0,
+					MemoryUsed:  482263040.0 / (1024 * 1024),
+					MemoryTotal: 536870912.0 / (1024 * 1024),
+					Usage:       0.0,
+					Power:       9.215,
+					Count:       1,
+				},
+			},
+			wantValid: true,
+		},
+		{
+			name: "valid multi gpu data",
+			input: `{
+				"card0": {
+					"GUID": "34756",
+					"Temperature (Sensor edge) (C)": "47.0",
+					"Current Socket Graphics Package Power (W)": "9.215",
+					"GPU use (%)": "0",
+					"VRAM Total Memory (B)": "536870912",
+					"VRAM Total Used Memory (B)": "482263040",
+					"Card Series": "Rembrandt [Radeon 680M]"
+				},
+				"card1": {
+					"GUID": "38294",
+					"Temperature (Sensor edge) (C)": "49.0",
+					"Temperature (Sensor junction) (C)": "49.0",
+					"Temperature (Sensor memory) (C)": "62.0",
+					"Average Graphics Package Power (W)": "19.0",
+					"GPU use (%)": "20.3",
+					"VRAM Total Memory (B)": "25753026560",
+					"VRAM Total Used Memory (B)": "794341376",
+					"Card Series": "Navi 31 [Radeon RX 7900 XT]"
+				}
+			}`,
+			wantData: map[string]system.GPUData{
+				"34756": {
+					Name:        "Rembrandt [Radeon 680M]",
+					Temperature: 47.0,
+					MemoryUsed:  482263040.0 / (1024 * 1024),
+					MemoryTotal: 536870912.0 / (1024 * 1024),
+					Usage:       0.0,
+					Power:       9.215,
+					Count:       1,
+				},
+				"38294": {
+					Name:        "Navi 31 [Radeon RX 7900 XT]",
+					Temperature: 49.0,
+					MemoryUsed:  794341376.0 / (1024 * 1024),
+					MemoryTotal: 25753026560.0 / (1024 * 1024),
+					Usage:       20.3,
+					Power:       19.0,
+					Count:       1,
+				},
+			},
+			wantValid: true,
+		},
+		{
+			name:  "invalid json",
+			input: "{bad json",
+		},
+		{
+			name:      "invalid json",
+			input:     "{bad json",
+			wantData:  map[string]system.GPUData{},
+			wantValid: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gm := &GPUManager{
+				GpuDataMap: make(map[string]*system.GPUData),
+			}
+			valid := gm.parseAmdData([]byte(tt.input))
+			assert.Equal(t, tt.wantValid, valid)
+
+			if tt.wantValid {
+				for id, want := range tt.wantData {
+					got := gm.GpuDataMap[id]
+					require.NotNil(t, got)
+					assert.Equal(t, want.Name, got.Name)
+					assert.InDelta(t, want.Temperature, got.Temperature, 0.01)
+					assert.InDelta(t, want.MemoryUsed, got.MemoryUsed, 0.01)
+					assert.InDelta(t, want.MemoryTotal, got.MemoryTotal, 0.01)
+					assert.InDelta(t, want.Usage, got.Usage, 0.01)
+					assert.InDelta(t, want.Power, got.Power, 0.01)
+					assert.Equal(t, want.Count, got.Count)
+				}
+			}
+		})
+	}
+}
+
+func TestParseJetsonData(t *testing.T) {
+	tests := []struct {
+		name        string
+		input       string
+		wantMetrics *system.GPUData
+	}{
+		{
+			name:  "valid data",
+			input: "11-14-2024 22:54:33 RAM 4300/30698MB GR3D_FREQ 45% tj@52.468C VDD_GPU_SOC 2171mW",
+			wantMetrics: &system.GPUData{
+				Name:        "GPU",
+				MemoryUsed:  4300.0,
+				MemoryTotal: 30698.0,
+				Usage:       45.0,
+				Temperature: 52.468,
+				Power:       2.171,
+				Count:       1,
+			},
+		},
+		{
+			name:  "more valid data",
+			input: "11-15-2024 08:38:09 RAM 6185/7620MB (lfb 8x2MB) SWAP 851/3810MB (cached 1MB) CPU [15%@729,11%@729,14%@729,13%@729,11%@729,8%@729] EMC_FREQ 43%@2133 GR3D_FREQ 63%@[621] NVDEC off NVJPG off NVJPG1 off VIC off OFA off APE 200 cpu@53.968C soc2@52.437C soc0@50.75C gpu@53.343C tj@53.968C soc1@51.656C VDD_IN 12479mW/12479mW VDD_CPU_GPU_CV 4667mW/4667mW VDD_SOC 2817mW/2817mW",
+			wantMetrics: &system.GPUData{
+				Name:        "GPU",
+				MemoryUsed:  6185.0,
+				MemoryTotal: 7620.0,
+				Usage:       63.0,
+				Temperature: 53.968,
+				Power:       4.667,
+				Count:       1,
+			},
+		},
+		{
+			name:  "missing temperature",
+			input: "11-14-2024 22:54:33 RAM 4300/30698MB GR3D_FREQ 45% VDD_GPU_SOC 2171mW",
+			wantMetrics: &system.GPUData{
+				Name:        "GPU",
+				MemoryUsed:  4300.0,
+				MemoryTotal: 30698.0,
+				Usage:       45.0,
+				Power:       2.171,
+				Count:       1,
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gm := &GPUManager{
+				GpuDataMap: make(map[string]*system.GPUData),
+			}
+			parser := gm.getJetsonParser()
+			valid := parser([]byte(tt.input))
+			assert.Equal(t, true, valid)
+
+			got := gm.GpuDataMap["0"]
+			require.NotNil(t, got)
+			assert.Equal(t, tt.wantMetrics.Name, got.Name)
+			assert.InDelta(t, tt.wantMetrics.MemoryUsed, got.MemoryUsed, 0.01)
+			assert.InDelta(t, tt.wantMetrics.MemoryTotal, got.MemoryTotal, 0.01)
+			assert.InDelta(t, tt.wantMetrics.Usage, got.Usage, 0.01)
+			if tt.wantMetrics.Temperature > 0 {
+				assert.InDelta(t, tt.wantMetrics.Temperature, got.Temperature, 0.01)
+			}
+			assert.InDelta(t, tt.wantMetrics.Power, got.Power, 0.01)
+			assert.Equal(t, tt.wantMetrics.Count, got.Count)
+		})
+	}
+}
+
+func TestGetCurrentData(t *testing.T) {
+	gm := &GPUManager{
+		GpuDataMap: map[string]*system.GPUData{
+			"0": {
+				Name:        "GPU1",
+				Temperature: 50,
+				MemoryUsed:  2048,
+				MemoryTotal: 4096,
+				Usage:       100, // 100 over 2 counts = 50 avg
+				Power:       200, // 200 over 2 counts = 100 avg
+				Count:       2,
+			},
+			"1": {
+				Name:        "GPU1",
+				Temperature: 60,
+				MemoryUsed:  3072,
+				MemoryTotal: 8192,
+				Usage:       30,
+				Power:       60,
+				Count:       1,
+			},
+		},
+	}
+
+	result := gm.GetCurrentData()
+
+	// Verify name disambiguation
+	assert.Equal(t, "GPU1 0", result["0"].Name)
+	assert.Equal(t, "GPU1 1", result["1"].Name)
+
+	// Check averaged values
+	assert.InDelta(t, 50.0, result["0"].Usage, 0.01)
+	assert.InDelta(t, 100.0, result["0"].Power, 0.01)
+	assert.InDelta(t, 30.0, result["1"].Usage, 0.01)
+	assert.InDelta(t, 60.0, result["1"].Power, 0.01)
+
+	// Verify reset counts
+	assert.Equal(t, float64(1), gm.GpuDataMap["0"].Count)
+	assert.Equal(t, float64(1), gm.GpuDataMap["1"].Count)
+}
+
+func TestDetectGPUs(t *testing.T) {
+	// Save original PATH
+	origPath := os.Getenv("PATH")
+	defer os.Setenv("PATH", origPath)
+
+	// Set up temp dir with the commands
+	tempDir := t.TempDir()
+	os.Setenv("PATH", tempDir)
+
+	tests := []struct {
+		name           string
+		setupCommands  func() error
+		wantNvidiaSmi  bool
+		wantRocmSmi    bool
+		wantTegrastats bool
+		wantErr        bool
+	}{
+		{
+			name: "nvidia-smi not available",
+			setupCommands: func() error {
+				return nil
+			},
+			wantNvidiaSmi:  false,
+			wantRocmSmi:    false,
+			wantTegrastats: false,
+			wantErr:        true,
+		},
+		{
+			name: "nvidia-smi available",
+			setupCommands: func() error {
+				path := filepath.Join(tempDir, "nvidia-smi")
+				script := `#!/bin/sh
+echo "test"`
+				if err := os.WriteFile(path, []byte(script), 0755); err != nil {
+					return err
+				}
+				return nil
+			},
+			wantNvidiaSmi:  true,
+			wantTegrastats: false,
+			wantRocmSmi:    false,
+			wantErr:        false,
+		},
+		{
+			name: "rocm-smi available",
+			setupCommands: func() error {
+				path := filepath.Join(tempDir, "rocm-smi")
+				script := `#!/bin/sh
+echo "test"`
+				if err := os.WriteFile(path, []byte(script), 0755); err != nil {
+					return err
+				}
+				return nil
+			},
+			wantNvidiaSmi:  true,
+			wantRocmSmi:    true,
+			wantTegrastats: false,
+			wantErr:        false,
+		},
+		{
+			name: "tegrastats available",
+			setupCommands: func() error {
+				path := filepath.Join(tempDir, "tegrastats")
+				script := `#!/bin/sh
+echo "test"`
+				if err := os.WriteFile(path, []byte(script), 0755); err != nil {
+					return err
+				}
+				return nil
+			},
+			wantNvidiaSmi:  false,
+			wantRocmSmi:    true,
+			wantTegrastats: true,
+			wantErr:        false,
+		},
+		{
+			name: "no gpu tools available",
+			setupCommands: func() error {
+				os.Setenv("PATH", "")
+				return nil
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := tt.setupCommands(); err != nil {
+				t.Fatal(err)
+			}
+
+			gm := &GPUManager{}
+			err := gm.detectGPUs()
+
+			t.Logf("nvidiaSmi: %v, rocmSmi: %v, tegrastats: %v", gm.nvidiaSmi, gm.rocmSmi, gm.tegrastats)
+
+			if tt.wantErr {
+				assert.Error(t, err)
+				return
+			}
+
+			assert.NoError(t, err)
+			assert.Equal(t, tt.wantNvidiaSmi, gm.nvidiaSmi)
+			assert.Equal(t, tt.wantRocmSmi, gm.rocmSmi)
+			assert.Equal(t, tt.wantTegrastats, gm.tegrastats)
+		})
+	}
+}
+
+func TestStartCollector(t *testing.T) {
+	// Save original PATH
+	origPath := os.Getenv("PATH")
+	defer os.Setenv("PATH", origPath)
+
+	// Set up temp dir with the commands
+	dir := t.TempDir()
+	os.Setenv("PATH", dir)
+
+	tests := []struct {
+		name     string
+		command  string
+		setup    func(t *testing.T) error
+		validate func(t *testing.T, gm *GPUManager)
+		gm       *GPUManager
+	}{
+		{
+			name:    "nvidia-smi collector",
+			command: "nvidia-smi",
+			setup: func(t *testing.T) error {
+				path := filepath.Join(dir, "nvidia-smi")
+				script := `#!/bin/sh
+echo "0, NVIDIA Test GPU, 50, 1024, 4096, 25, 100"`
+				if err := os.WriteFile(path, []byte(script), 0755); err != nil {
+					return err
+				}
+				return nil
+			},
+			validate: func(t *testing.T, gm *GPUManager) {
+				gpu, exists := gm.GpuDataMap["0"]
+				assert.True(t, exists)
+				if exists {
+					assert.Equal(t, "Test GPU", gpu.Name)
+					assert.Equal(t, 50.0, gpu.Temperature)
+
+				}
+			},
+		},
+		{
+			name:    "rocm-smi collector",
+			command: "rocm-smi",
+			setup: func(t *testing.T) error {
+				path := filepath.Join(dir, "rocm-smi")
+				script := `#!/bin/sh
+echo '{"card0": {"Temperature (Sensor edge) (C)": "49.0", "Current Socket Graphics Package Power (W)": "28.159", "GPU use (%)": "0", "VRAM Total Memory (B)": "536870912", "VRAM Total Used Memory (B)": "445550592", "Card Series": "Rembrandt [Radeon 680M]", "Card Model": "0x1681", "Card Vendor": "Advanced Micro Devices, Inc. [AMD/ATI]", "Card SKU": "REMBRANDT", "Subsystem ID": "0x8a22", "Device Rev": "0xc8", "Node ID": "1", "GUID": "34756", "GFX Version": "gfx1035"}}'`
+				if err := os.WriteFile(path, []byte(script), 0755); err != nil {
+					return err
+				}
+				return nil
+			},
+			validate: func(t *testing.T, gm *GPUManager) {
+				gpu, exists := gm.GpuDataMap["34756"]
+				assert.True(t, exists)
+				if exists {
+					assert.Equal(t, "Rembrandt [Radeon 680M]", gpu.Name)
+					assert.InDelta(t, 49.0, gpu.Temperature, 0.01)
+					assert.InDelta(t, 28.159, gpu.Power, 0.01)
+				}
+			},
+		},
+		{
+			name:    "tegrastats collector",
+			command: "tegrastats",
+			setup: func(t *testing.T) error {
+				path := filepath.Join(dir, "tegrastats")
+				script := `#!/bin/sh
+echo "11-14-2024 22:54:33 RAM 1024/4096MB GR3D_FREQ 80% tj@70C VDD_GPU_SOC 1000mW"`
+				if err := os.WriteFile(path, []byte(script), 0755); err != nil {
+					return err
+				}
+				return nil
+			},
+			validate: func(t *testing.T, gm *GPUManager) {
+				gpu, exists := gm.GpuDataMap["0"]
+				assert.True(t, exists)
+				if exists {
+					assert.InDelta(t, 70.0, gpu.Temperature, 0.1)
+				}
+			},
+			gm: &GPUManager{
+				GpuDataMap: map[string]*system.GPUData{
+					"0": {},
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := tt.setup(t); err != nil {
+				t.Fatal(err)
+			}
+			if tt.gm == nil {
+				tt.gm = &GPUManager{
+					GpuDataMap: make(map[string]*system.GPUData),
+				}
+			}
+			tt.gm.startCollector(tt.command)
+			time.Sleep(50 * time.Millisecond) // Give collector time to run
+			tt.validate(t, tt.gm)
+		})
+	}
+}
+
+// TestAccumulationTableDriven tests the accumulation behavior for all three GPU types
+func TestAccumulation(t *testing.T) {
+	type expectedGPUValues struct {
+		temperature float64
+		memoryUsed  float64
+		memoryTotal float64
+		usage       float64
+		power       float64
+		count       float64
+		avgUsage    float64
+		avgPower    float64
+	}
+
+	tests := []struct {
+		name           string
+		initialGPUData map[string]*system.GPUData
+		dataSamples    [][]byte
+		parser         func(*GPUManager) func([]byte) bool
+		expectedValues map[string]expectedGPUValues
+	}{
+		{
+			name: "Jetson GPU accumulation",
+			initialGPUData: map[string]*system.GPUData{
+				"0": {
+					Name:        "Jetson",
+					Temperature: 0,
+					Usage:       0,
+					Power:       0,
+					Count:       0,
+				},
+			},
+			dataSamples: [][]byte{
+				[]byte("11-14-2024 22:54:33 RAM 1024/4096MB GR3D_FREQ 30% tj@50.5C VDD_GPU_SOC 1000mW"),
+				[]byte("11-14-2024 22:54:33 RAM 1024/4096MB GR3D_FREQ 40% tj@60.5C VDD_GPU_SOC 1200mW"),
+				[]byte("11-14-2024 22:54:33 RAM 1024/4096MB GR3D_FREQ 50% tj@70.5C VDD_GPU_SOC 1400mW"),
+			},
+			parser: func(gm *GPUManager) func([]byte) bool {
+				return gm.getJetsonParser()
+			},
+			expectedValues: map[string]expectedGPUValues{
+				"0": {
+					temperature: 70.5,  // Last value
+					memoryUsed:  1024,  // Last value
+					memoryTotal: 4096,  // Last value
+					usage:       120.0, // Accumulated: 30 + 40 + 50
+					power:       3.6,   // Accumulated: 1.0 + 1.2 + 1.4
+					count:       3,
+					avgUsage:    40.0, // 120 / 3
+					avgPower:    1.2,  // 3.6 / 3
+				},
+			},
+		},
+		{
+			name:           "NVIDIA GPU accumulation",
+			initialGPUData: map[string]*system.GPUData{
+				// NVIDIA parser will create the GPU data entries
+			},
+			dataSamples: [][]byte{
+				[]byte("0, NVIDIA GeForce RTX 3080, 50, 5000, 10000, 30, 200"),
+				[]byte("0, NVIDIA GeForce RTX 3080, 60, 6000, 10000, 40, 250"),
+				[]byte("0, NVIDIA GeForce RTX 3080, 70, 7000, 10000, 50, 300"),
+			},
+			parser: func(gm *GPUManager) func([]byte) bool {
+				return gm.parseNvidiaData
+			},
+			expectedValues: map[string]expectedGPUValues{
+				"0": {
+					temperature: 70.0,            // Last value
+					memoryUsed:  7000.0 / 1.024,  // Last value
+					memoryTotal: 10000.0 / 1.024, // Last value
+					usage:       120.0,           // Accumulated: 30 + 40 + 50
+					power:       750.0,           // Accumulated: 200 + 250 + 300
+					count:       3,
+					avgUsage:    40.0,  // 120 / 3
+					avgPower:    250.0, // 750 / 3
+				},
+			},
+		},
+		{
+			name:           "AMD GPU accumulation",
+			initialGPUData: map[string]*system.GPUData{
+				// AMD parser will create the GPU data entries
+			},
+			dataSamples: [][]byte{
+				[]byte(`{"card0": {"GUID": "34756", "Temperature (Sensor edge) (C)": "50.0", "Current Socket Graphics Package Power (W)": "100.0", "GPU use (%)": "30", "VRAM Total Memory (B)": "10737418240", "VRAM Total Used Memory (B)": "1073741824", "Card Series": "Radeon RX 6800"}}`),
+				[]byte(`{"card0": {"GUID": "34756", "Temperature (Sensor edge) (C)": "60.0", "Current Socket Graphics Package Power (W)": "150.0", "GPU use (%)": "40", "VRAM Total Memory (B)": "10737418240", "VRAM Total Used Memory (B)": "2147483648", "Card Series": "Radeon RX 6800"}}`),
+				[]byte(`{"card0": {"GUID": "34756", "Temperature (Sensor edge) (C)": "70.0", "Current Socket Graphics Package Power (W)": "200.0", "GPU use (%)": "50", "VRAM Total Memory (B)": "10737418240", "VRAM Total Used Memory (B)": "3221225472", "Card Series": "Radeon RX 6800"}}`),
+			},
+			parser: func(gm *GPUManager) func([]byte) bool {
+				return gm.parseAmdData
+			},
+			expectedValues: map[string]expectedGPUValues{
+				"34756": {
+					temperature: 70.0,                          // Last value
+					memoryUsed:  3221225472.0 / (1024 * 1024),  // Last value
+					memoryTotal: 10737418240.0 / (1024 * 1024), // Last value
+					usage:       120.0,                         // Accumulated: 30 + 40 + 50
+					power:       450.0,                         // Accumulated: 100 + 150 + 200
+					count:       3,
+					avgUsage:    40.0,  // 120 / 3
+					avgPower:    150.0, // 450 / 3
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Create a new GPUManager for each test
+			gm := &GPUManager{
+				GpuDataMap: tt.initialGPUData,
+			}
+
+			// Get the parser function
+			parser := tt.parser(gm)
+
+			// Process each data sample
+			for i, sample := range tt.dataSamples {
+				valid := parser(sample)
+				assert.True(t, valid, "Sample %d should be valid", i)
+			}
+
+			// Check accumulated values
+			for id, expected := range tt.expectedValues {
+				gpu, exists := gm.GpuDataMap[id]
+				assert.True(t, exists, "GPU with ID %s should exist", id)
+				if !exists {
+					continue
+				}
+
+				assert.InDelta(t, expected.temperature, gpu.Temperature, 0.01, "Temperature should match")
+				assert.InDelta(t, expected.memoryUsed, gpu.MemoryUsed, 0.01, "Memory used should match")
+				assert.InDelta(t, expected.memoryTotal, gpu.MemoryTotal, 0.01, "Memory total should match")
+				assert.InDelta(t, expected.usage, gpu.Usage, 0.01, "Usage should match")
+				assert.InDelta(t, expected.power, gpu.Power, 0.01, "Power should match")
+				assert.Equal(t, expected.count, gpu.Count, "Count should match")
+			}
+
+			// Verify average calculation in GetCurrentData
+			result := gm.GetCurrentData()
+			for id, expected := range tt.expectedValues {
+				gpu, exists := result[id]
+				assert.True(t, exists, "GPU with ID %s should exist in GetCurrentData result", id)
+				if !exists {
+					continue
+				}
+
+				assert.InDelta(t, expected.temperature, gpu.Temperature, 0.01, "Temperature in GetCurrentData should match")
+				assert.InDelta(t, expected.avgUsage, gpu.Usage, 0.01, "Average usage in GetCurrentData should match")
+				assert.InDelta(t, expected.avgPower, gpu.Power, 0.01, "Average power in GetCurrentData should match")
+			}
+		})
+	}
+}

beszel/internal/agent/health.go

@@ -0,0 +1,18 @@
+package agent
+
+import (
+	"net"
+	"time"
+)
+
+// Health checks if the agent's server is running by attempting to connect to it.
+//
+// If an error occurs when attempting to connect to the server, it returns the error.
+func Health(addr string, network string) error {
+	conn, err := net.DialTimeout(network, addr, 4*time.Second)
+	if err != nil {
+		return err
+	}
+	conn.Close()
+	return nil
+}

beszel/internal/agent/health_test.go

@@ -0,0 +1,118 @@
+//go:build testing
+// +build testing
+
+package agent_test
+
+import (
+	"fmt"
+	"net"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"beszel/internal/agent"
+)
+
+// setupTestServer creates a temporary server for testing
+func setupTestServer(t *testing.T) (string, func()) {
+	// Create a temporary socket file for Unix socket testing
+	tempSockFile := os.TempDir() + "/beszel_health_test.sock"
+
+	// Clean up any existing socket file
+	os.Remove(tempSockFile)
+
+	// Create a listener
+	listener, err := net.Listen("unix", tempSockFile)
+	require.NoError(t, err, "Failed to create test listener")
+
+	// Start a simple server in a goroutine
+	go func() {
+		conn, err := listener.Accept()
+		if err != nil {
+			return // Listener closed
+		}
+		defer conn.Close()
+		// Just accept the connection and do nothing
+	}()
+
+	// Return the socket file path and a cleanup function
+	return tempSockFile, func() {
+		listener.Close()
+		os.Remove(tempSockFile)
+	}
+}
+
+// setupTCPTestServer creates a temporary TCP server for testing
+func setupTCPTestServer(t *testing.T) (string, func()) {
+	// Listen on a random available port
+	listener, err := net.Listen("tcp", "127.0.0.1:0")
+	require.NoError(t, err, "Failed to create test listener")
+
+	// Get the port that was assigned
+	addr := listener.Addr().(*net.TCPAddr)
+	port := addr.Port
+
+	// Start a simple server in a goroutine
+	go func() {
+		conn, err := listener.Accept()
+		if err != nil {
+			return // Listener closed
+		}
+		defer conn.Close()
+		// Just accept the connection and do nothing
+	}()
+
+	// Return the address and a cleanup function
+	return fmt.Sprintf("127.0.0.1:%d", port), func() {
+		listener.Close()
+	}
+}
+
+func TestHealth(t *testing.T) {
+	t.Run("server is running (unix socket)", func(t *testing.T) {
+		// Setup a test server
+		sockFile, cleanup := setupTestServer(t)
+		defer cleanup()
+
+		// Run the health check with explicit parameters
+		err := agent.Health(sockFile, "unix")
+		require.NoError(t, err, "Failed to check health")
+	})
+
+	t.Run("server is running (tcp address)", func(t *testing.T) {
+		// Setup a test server
+		addr, cleanup := setupTCPTestServer(t)
+		defer cleanup()
+
+		// Run the health check with explicit parameters
+		err := agent.Health(addr, "tcp")
+		require.NoError(t, err, "Failed to check health")
+	})
+
+	t.Run("server is not running", func(t *testing.T) {
+		// Use an address that's likely not in use
+		addr := "127.0.0.1:65535"
+
+		// Run the health check with explicit parameters
+		err := agent.Health(addr, "tcp")
+		require.Error(t, err, "Health check should return an error when server is not running")
+	})
+
+	t.Run("invalid network", func(t *testing.T) {
+		// Use an invalid network type
+		err := agent.Health("127.0.0.1:8080", "invalid_network")
+		require.Error(t, err, "Health check should return an error with invalid network")
+	})
+
+	t.Run("unix socket not found", func(t *testing.T) {
+		// Use a non-existent unix socket
+		nonExistentSocket := os.TempDir() + "/non_existent_socket.sock"
+
+		// Make sure it really doesn't exist
+		os.Remove(nonExistentSocket)
+
+		err := agent.Health(nonExistentSocket, "unix")
+		require.Error(t, err, "Health check should return an error when socket doesn't exist")
+	})
+}

beszel/internal/agent/network.go

@@ -0,0 +1,66 @@
+package agent
+
+import (
+	"log/slog"
+	"strings"
+	"time"
+
+	psutilNet "github.com/shirou/gopsutil/v4/net"
+)
+
+func (a *Agent) initializeNetIoStats() {
+	// reset valid network interfaces
+	a.netInterfaces = make(map[string]struct{}, 0)
+
+	// map of network interface names passed in via NICS env var
+	var nicsMap map[string]struct{}
+	nics, nicsEnvExists := GetEnv("NICS")
+	if nicsEnvExists {
+		nicsMap = make(map[string]struct{}, 0)
+		for nic := range strings.SplitSeq(nics, ",") {
+			nicsMap[nic] = struct{}{}
+		}
+	}
+
+	// reset network I/O stats
+	a.netIoStats.BytesSent = 0
+	a.netIoStats.BytesRecv = 0
+
+	// get intial network I/O stats
+	if netIO, err := psutilNet.IOCounters(true); err == nil {
+		a.netIoStats.Time = time.Now()
+		for _, v := range netIO {
+			switch {
+			// skip if nics exists and the interface is not in the list
+			case nicsEnvExists:
+				if _, nameInNics := nicsMap[v.Name]; !nameInNics {
+					continue
+				}
+			// otherwise run the interface name through the skipNetworkInterface function
+			default:
+				if a.skipNetworkInterface(v) {
+					continue
+				}
+			}
+			slog.Info("Detected network interface", "name", v.Name, "sent", v.BytesSent, "recv", v.BytesRecv)
+			a.netIoStats.BytesSent += v.BytesSent
+			a.netIoStats.BytesRecv += v.BytesRecv
+			// store as a valid network interface
+			a.netInterfaces[v.Name] = struct{}{}
+		}
+	}
+}
+
+func (a *Agent) skipNetworkInterface(v psutilNet.IOCountersStat) bool {
+	switch {
+	case strings.HasPrefix(v.Name, "lo"),
+		strings.HasPrefix(v.Name, "docker"),
+		strings.HasPrefix(v.Name, "br-"),
+		strings.HasPrefix(v.Name, "veth"),
+		v.BytesRecv == 0,
+		v.BytesSent == 0:
+		return true
+	default:
+		return false
+	}
+}

beszel/internal/agent/sensors.go

@@ -0,0 +1,143 @@
+package agent
+
+import (
+	"beszel/internal/entities/system"
+	"context"
+	"log/slog"
+	"path"
+	"strconv"
+	"strings"
+
+	"github.com/shirou/gopsutil/v4/common"
+	"github.com/shirou/gopsutil/v4/sensors"
+)
+
+type SensorConfig struct {
+	context        context.Context
+	sensors        map[string]struct{}
+	primarySensor  string
+	isBlacklist    bool
+	hasWildcards   bool
+	skipCollection bool
+}
+
+func (a *Agent) newSensorConfig() *SensorConfig {
+	primarySensor, _ := GetEnv("PRIMARY_SENSOR")
+	sysSensors, _ := GetEnv("SYS_SENSORS")
+	sensorsEnvVal, sensorsSet := GetEnv("SENSORS")
+	skipCollection := sensorsSet && sensorsEnvVal == ""
+
+	return a.newSensorConfigWithEnv(primarySensor, sysSensors, sensorsEnvVal, skipCollection)
+}
+
+// newSensorConfigWithEnv creates a SensorConfig with the provided environment variables
+// sensorsSet indicates if the SENSORS environment variable was explicitly set (even to empty string)
+func (a *Agent) newSensorConfigWithEnv(primarySensor, sysSensors, sensorsEnvVal string, skipCollection bool) *SensorConfig {
+	config := &SensorConfig{
+		context:        context.Background(),
+		primarySensor:  primarySensor,
+		skipCollection: skipCollection,
+		sensors:        make(map[string]struct{}),
+	}
+
+	// Set sensors context (allows overriding sys location for sensors)
+	if sysSensors != "" {
+		slog.Info("SYS_SENSORS", "path", sysSensors)
+		config.context = context.WithValue(config.context,
+			common.EnvKey, common.EnvMap{common.HostSysEnvKey: sysSensors},
+		)
+	}
+
+	// handle blacklist
+	if strings.HasPrefix(sensorsEnvVal, "-") {
+		config.isBlacklist = true
+		sensorsEnvVal = sensorsEnvVal[1:]
+	}
+
+	for sensor := range strings.SplitSeq(sensorsEnvVal, ",") {
+		sensor = strings.TrimSpace(sensor)
+		if sensor != "" {
+			config.sensors[sensor] = struct{}{}
+			if strings.Contains(sensor, "*") {
+				config.hasWildcards = true
+			}
+		}
+	}
+
+	return config
+}
+
+// updateTemperatures updates the agent with the latest sensor temperatures
+func (a *Agent) updateTemperatures(systemStats *system.Stats) {
+	// skip if sensors whitelist is set to empty string
+	if a.sensorConfig.skipCollection {
+		slog.Debug("Skipping temperature collection")
+		return
+	}
+
+	// reset high temp
+	a.systemInfo.DashboardTemp = 0
+
+	// get sensor data
+	temps, _ := sensors.TemperaturesWithContext(a.sensorConfig.context)
+	slog.Debug("Temperature", "sensors", temps)
+
+	// return if no sensors
+	if len(temps) == 0 {
+		return
+	}
+
+	systemStats.Temperatures = make(map[string]float64, len(temps))
+	for i, sensor := range temps {
+		// skip if temperature is unreasonable
+		if sensor.Temperature <= 0 || sensor.Temperature >= 200 {
+			continue
+		}
+		sensorName := sensor.SensorKey
+		if _, ok := systemStats.Temperatures[sensorName]; ok {
+			// if key already exists, append int to key
+			sensorName = sensorName + "_" + strconv.Itoa(i)
+		}
+		// skip if not in whitelist or blacklist
+		if !isValidSensor(sensorName, a.sensorConfig) {
+			continue
+		}
+		// set dashboard temperature
+		if a.sensorConfig.primarySensor == "" {
+			a.systemInfo.DashboardTemp = max(a.systemInfo.DashboardTemp, sensor.Temperature)
+		} else if a.sensorConfig.primarySensor == sensorName {
+			a.systemInfo.DashboardTemp = sensor.Temperature
+		}
+		systemStats.Temperatures[sensorName] = twoDecimals(sensor.Temperature)
+	}
+}
+
+// isValidSensor checks if a sensor is valid based on the sensor name and the sensor config
+func isValidSensor(sensorName string, config *SensorConfig) bool {
+	// if no sensors configured, everything is valid
+	if len(config.sensors) == 0 {
+		return true
+	}
+
+	// Exact match - return true if whitelist, false if blacklist
+	if _, exactMatch := config.sensors[sensorName]; exactMatch {
+		return !config.isBlacklist
+	}
+
+	// If no wildcards, return true if blacklist, false if whitelist
+	if !config.hasWildcards {
+		return config.isBlacklist
+	}
+
+	// Check for wildcard patterns
+	for pattern := range config.sensors {
+		if !strings.Contains(pattern, "*") {
+			continue
+		}
+		if match, _ := path.Match(pattern, sensorName); match {
+			return !config.isBlacklist
+		}
+	}
+
+	return config.isBlacklist
+}

beszel/internal/agent/sensors_test.go

@@ -0,0 +1,374 @@
+//go:build testing
+// +build testing
+
+package agent
+
+import (
+	"context"
+	"os"
+	"testing"
+
+	"github.com/shirou/gopsutil/v4/common"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestIsValidSensor(t *testing.T) {
+	tests := []struct {
+		name          string
+		sensorName    string
+		config        *SensorConfig
+		expectedValid bool
+	}{
+		{
+			name:       "Whitelist - sensor in list",
+			sensorName: "cpu_temp",
+			config: &SensorConfig{
+				sensors:     map[string]struct{}{"cpu_temp": {}},
+				isBlacklist: false,
+			},
+			expectedValid: true,
+		},
+		{
+			name:       "Whitelist - sensor not in list",
+			sensorName: "gpu_temp",
+			config: &SensorConfig{
+				sensors:     map[string]struct{}{"cpu_temp": {}},
+				isBlacklist: false,
+			},
+			expectedValid: false,
+		},
+		{
+			name:       "Blacklist - sensor in list",
+			sensorName: "cpu_temp",
+			config: &SensorConfig{
+				sensors:     map[string]struct{}{"cpu_temp": {}},
+				isBlacklist: true,
+			},
+			expectedValid: false,
+		},
+		{
+			name:       "Blacklist - sensor not in list",
+			sensorName: "gpu_temp",
+			config: &SensorConfig{
+				sensors:     map[string]struct{}{"cpu_temp": {}},
+				isBlacklist: true,
+			},
+			expectedValid: true,
+		},
+		{
+			name:       "Whitelist with wildcard - matching pattern",
+			sensorName: "core_0_temp",
+			config: &SensorConfig{
+				sensors:      map[string]struct{}{"core_*_temp": {}},
+				isBlacklist:  false,
+				hasWildcards: true,
+			},
+			expectedValid: true,
+		},
+		{
+			name:       "Whitelist with wildcard - non-matching pattern",
+			sensorName: "gpu_temp",
+			config: &SensorConfig{
+				sensors:      map[string]struct{}{"core_*_temp": {}},
+				isBlacklist:  false,
+				hasWildcards: true,
+			},
+			expectedValid: false,
+		},
+		{
+			name:       "Blacklist with wildcard - matching pattern",
+			sensorName: "core_0_temp",
+			config: &SensorConfig{
+				sensors:      map[string]struct{}{"core_*_temp": {}},
+				isBlacklist:  true,
+				hasWildcards: true,
+			},
+			expectedValid: false,
+		},
+		{
+			name:       "Blacklist with wildcard - non-matching pattern",
+			sensorName: "gpu_temp",
+			config: &SensorConfig{
+				sensors:      map[string]struct{}{"core_*_temp": {}},
+				isBlacklist:  true,
+				hasWildcards: true,
+			},
+			expectedValid: true,
+		},
+		{
+			name:       "No sensors configured",
+			sensorName: "any_temp",
+			config: &SensorConfig{
+				sensors:        map[string]struct{}{},
+				isBlacklist:    false,
+				hasWildcards:   false,
+				skipCollection: false,
+			},
+			expectedValid: true,
+		},
+		{
+			name:       "Mixed patterns in whitelist - exact match",
+			sensorName: "cpu_temp",
+			config: &SensorConfig{
+				sensors:      map[string]struct{}{"cpu_temp": {}, "core_*_temp": {}},
+				isBlacklist:  false,
+				hasWildcards: true,
+			},
+			expectedValid: true,
+		},
+		{
+			name:       "Mixed patterns in whitelist - wildcard match",
+			sensorName: "core_1_temp",
+			config: &SensorConfig{
+				sensors:      map[string]struct{}{"cpu_temp": {}, "core_*_temp": {}},
+				isBlacklist:  false,
+				hasWildcards: true,
+			},
+			expectedValid: true,
+		},
+		{
+			name:       "Mixed patterns in blacklist - exact match",
+			sensorName: "cpu_temp",
+			config: &SensorConfig{
+				sensors:      map[string]struct{}{"cpu_temp": {}, "core_*_temp": {}},
+				isBlacklist:  true,
+				hasWildcards: true,
+			},
+			expectedValid: false,
+		},
+		{
+			name:       "Mixed patterns in blacklist - wildcard match",
+			sensorName: "core_1_temp",
+			config: &SensorConfig{
+				sensors:      map[string]struct{}{"cpu_temp": {}, "core_*_temp": {}},
+				isBlacklist:  true,
+				hasWildcards: true,
+			},
+			expectedValid: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := isValidSensor(tt.sensorName, tt.config)
+			assert.Equal(t, tt.expectedValid, result, "isValidSensor(%q, config) returned unexpected result", tt.sensorName)
+		})
+	}
+}
+
+func TestNewSensorConfigWithEnv(t *testing.T) {
+	agent := &Agent{}
+
+	tests := []struct {
+		name           string
+		primarySensor  string
+		sysSensors     string
+		sensors        string
+		skipCollection bool
+		expectedConfig *SensorConfig
+	}{
+		{
+			name:          "Empty configuration",
+			primarySensor: "",
+			sysSensors:    "",
+			sensors:       "",
+			expectedConfig: &SensorConfig{
+				context:        context.Background(),
+				primarySensor:  "",
+				sensors:        map[string]struct{}{},
+				isBlacklist:    false,
+				hasWildcards:   false,
+				skipCollection: false,
+			},
+		},
+		{
+			name:           "Explicitly set to empty string",
+			primarySensor:  "",
+			sysSensors:     "",
+			sensors:        "",
+			skipCollection: true,
+			expectedConfig: &SensorConfig{
+				context:        context.Background(),
+				primarySensor:  "",
+				sensors:        map[string]struct{}{},
+				isBlacklist:    false,
+				hasWildcards:   false,
+				skipCollection: true,
+			},
+		},
+		{
+			name:          "Primary sensor only - should create sensor map",
+			primarySensor: "cpu_temp",
+			sysSensors:    "",
+			sensors:       "",
+			expectedConfig: &SensorConfig{
+				context:       context.Background(),
+				primarySensor: "cpu_temp",
+				sensors:       map[string]struct{}{},
+				isBlacklist:   false,
+				hasWildcards:  false,
+			},
+		},
+		{
+			name:          "Whitelist sensors",
+			primarySensor: "cpu_temp",
+			sysSensors:    "",
+			sensors:       "cpu_temp,gpu_temp",
+			expectedConfig: &SensorConfig{
+				context:       context.Background(),
+				primarySensor: "cpu_temp",
+				sensors: map[string]struct{}{
+					"cpu_temp": {},
+					"gpu_temp": {},
+				},
+				isBlacklist:  false,
+				hasWildcards: false,
+			},
+		},
+		{
+			name:          "Blacklist sensors",
+			primarySensor: "cpu_temp",
+			sysSensors:    "",
+			sensors:       "-cpu_temp,gpu_temp",
+			expectedConfig: &SensorConfig{
+				context:       context.Background(),
+				primarySensor: "cpu_temp",
+				sensors: map[string]struct{}{
+					"cpu_temp": {},
+					"gpu_temp": {},
+				},
+				isBlacklist:  true,
+				hasWildcards: false,
+			},
+		},
+		{
+			name:          "Sensors with wildcard",
+			primarySensor: "cpu_temp",
+			sysSensors:    "",
+			sensors:       "cpu_*,gpu_temp",
+			expectedConfig: &SensorConfig{
+				context:       context.Background(),
+				primarySensor: "cpu_temp",
+				sensors: map[string]struct{}{
+					"cpu_*":    {},
+					"gpu_temp": {},
+				},
+				isBlacklist:  false,
+				hasWildcards: true,
+			},
+		},
+		{
+			name:          "Sensors with whitespace",
+			primarySensor: "cpu_temp",
+			sysSensors:    "",
+			sensors:       "cpu_*, gpu_temp",
+			expectedConfig: &SensorConfig{
+				context:       context.Background(),
+				primarySensor: "cpu_temp",
+				sensors: map[string]struct{}{
+					"cpu_*":    {},
+					"gpu_temp": {},
+				},
+				isBlacklist:  false,
+				hasWildcards: true,
+			},
+		},
+		{
+			name:          "With SYS_SENSORS path",
+			primarySensor: "cpu_temp",
+			sysSensors:    "/custom/path",
+			sensors:       "cpu_temp",
+			expectedConfig: &SensorConfig{
+				primarySensor: "cpu_temp",
+				sensors: map[string]struct{}{
+					"cpu_temp": {},
+				},
+				isBlacklist:  false,
+				hasWildcards: false,
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := agent.newSensorConfigWithEnv(tt.primarySensor, tt.sysSensors, tt.sensors, tt.skipCollection)
+
+			// Check primary sensor
+			assert.Equal(t, tt.expectedConfig.primarySensor, result.primarySensor)
+
+			// Check sensor map
+			if tt.expectedConfig.sensors == nil {
+				assert.Nil(t, result.sensors)
+			} else {
+				assert.Equal(t, len(tt.expectedConfig.sensors), len(result.sensors))
+				for sensor := range tt.expectedConfig.sensors {
+					_, exists := result.sensors[sensor]
+					assert.True(t, exists, "Sensor %s should exist in the result", sensor)
+				}
+			}
+
+			// Check flags
+			assert.Equal(t, tt.expectedConfig.isBlacklist, result.isBlacklist)
+			assert.Equal(t, tt.expectedConfig.hasWildcards, result.hasWildcards)
+
+			// Check context
+			if tt.sysSensors != "" {
+				// Verify context contains correct values
+				envMap, ok := result.context.Value(common.EnvKey).(common.EnvMap)
+				require.True(t, ok, "Context should contain EnvMap")
+				sysPath, ok := envMap[common.HostSysEnvKey]
+				require.True(t, ok, "EnvMap should contain HostSysEnvKey")
+				assert.Equal(t, tt.sysSensors, sysPath)
+			}
+		})
+	}
+}
+
+func TestNewSensorConfig(t *testing.T) {
+	// Save original environment variables
+	originalPrimary, hasPrimary := os.LookupEnv("BESZEL_AGENT_PRIMARY_SENSOR")
+	originalSys, hasSys := os.LookupEnv("BESZEL_AGENT_SYS_SENSORS")
+	originalSensors, hasSensors := os.LookupEnv("BESZEL_AGENT_SENSORS")
+
+	// Restore environment variables after the test
+	defer func() {
+		// Clean up test environment variables
+		os.Unsetenv("BESZEL_AGENT_PRIMARY_SENSOR")
+		os.Unsetenv("BESZEL_AGENT_SYS_SENSORS")
+		os.Unsetenv("BESZEL_AGENT_SENSORS")
+
+		// Restore original values if they existed
+		if hasPrimary {
+			os.Setenv("BESZEL_AGENT_PRIMARY_SENSOR", originalPrimary)
+		}
+		if hasSys {
+			os.Setenv("BESZEL_AGENT_SYS_SENSORS", originalSys)
+		}
+		if hasSensors {
+			os.Setenv("BESZEL_AGENT_SENSORS", originalSensors)
+		}
+	}()
+
+	// Set test environment variables
+	os.Setenv("BESZEL_AGENT_PRIMARY_SENSOR", "test_primary")
+	os.Setenv("BESZEL_AGENT_SYS_SENSORS", "/test/path")
+	os.Setenv("BESZEL_AGENT_SENSORS", "test_sensor1,test_*,test_sensor3")
+
+	agent := &Agent{}
+	result := agent.newSensorConfig()
+
+	// Verify results
+	assert.Equal(t, "test_primary", result.primarySensor)
+	assert.NotNil(t, result.sensors)
+	assert.Equal(t, 3, len(result.sensors))
+	assert.True(t, result.hasWildcards)
+	assert.False(t, result.isBlacklist)
+
+	// Check that sys sensors path is in context
+	envMap, ok := result.context.Value(common.EnvKey).(common.EnvMap)
+	require.True(t, ok, "Context should contain EnvMap")
+	sysPath, ok := envMap[common.HostSysEnvKey]
+	require.True(t, ok, "EnvMap should contain HostSysEnvKey")
+	assert.Equal(t, "/test/path", sysPath)
+}

beszel/internal/agent/server.go

@@ -0,0 +1,111 @@
+package agent
+
+import (
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"net"
+	"os"
+	"strings"
+
+	sshServer "github.com/gliderlabs/ssh"
+	"golang.org/x/crypto/ssh"
+)
+
+type ServerOptions struct {
+	Addr    string
+	Network string
+	Keys    []ssh.PublicKey
+}
+
+func (a *Agent) StartServer(opts ServerOptions) error {
+	sshServer.Handle(a.handleSession)
+
+	slog.Info("Starting SSH server", "addr", opts.Addr, "network", opts.Network)
+
+	if opts.Network == "unix" {
+		// remove existing socket file if it exists
+		if err := os.Remove(opts.Addr); err != nil && !os.IsNotExist(err) {
+			return err
+		}
+	}
+
+	// start listening on the address
+	ln, err := net.Listen(opts.Network, opts.Addr)
+	if err != nil {
+		return err
+	}
+	defer ln.Close()
+
+	// Start SSH server on the listener
+	return sshServer.Serve(ln, nil, sshServer.NoPty(),
+		sshServer.PublicKeyAuth(func(ctx sshServer.Context, key sshServer.PublicKey) bool {
+			for _, pubKey := range opts.Keys {
+				if sshServer.KeysEqual(key, pubKey) {
+					return true
+				}
+			}
+			return false
+		}),
+	)
+}
+
+func (a *Agent) handleSession(s sshServer.Session) {
+	slog.Debug("New session", "client", s.RemoteAddr())
+	stats := a.gatherStats(s.Context().SessionID())
+	if err := json.NewEncoder(s).Encode(stats); err != nil {
+		slog.Error("Error encoding stats", "err", err, "stats", stats)
+		s.Exit(1)
+	}
+	s.Exit(0)
+}
+
+// ParseKeys parses a string containing SSH public keys in authorized_keys format.
+// It returns a slice of ssh.PublicKey and an error if any key fails to parse.
+func ParseKeys(input string) ([]ssh.PublicKey, error) {
+	var parsedKeys []ssh.PublicKey
+	for line := range strings.Lines(input) {
+		line = strings.TrimSpace(line)
+		// Skip empty lines or comments
+		if len(line) == 0 || strings.HasPrefix(line, "#") {
+			continue
+		}
+		// Parse the key
+		parsedKey, _, _, _, err := ssh.ParseAuthorizedKey([]byte(line))
+		if err != nil {
+			return nil, fmt.Errorf("failed to parse key: %s, error: %w", line, err)
+		}
+		parsedKeys = append(parsedKeys, parsedKey)
+	}
+	return parsedKeys, nil
+}
+
+// GetAddress gets the address to listen on or connect to from environment variables or default value.
+func GetAddress(addr string) string {
+	if addr == "" {
+		addr, _ = GetEnv("LISTEN")
+	}
+	if addr == "" {
+		// Legacy PORT environment variable support
+		addr, _ = GetEnv("PORT")
+	}
+	if addr == "" {
+		return ":45876"
+	}
+	// prefix with : if only port was provided
+	if GetNetwork(addr) != "unix" && !strings.Contains(addr, ":") {
+		addr = ":" + addr
+	}
+	return addr
+}
+
+// GetNetwork returns the network type to use based on the address
+func GetNetwork(addr string) string {
+	if network, ok := GetEnv("NETWORK"); ok && network != "" {
+		return network
+	}
+	if strings.HasPrefix(addr, "/") {
+		return "unix"
+	}
+	return "tcp"
+}

beszel/internal/agent/server_test.go

@@ -0,0 +1,289 @@
+package agent
+
+import (
+	"crypto/ed25519"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/crypto/ssh"
+)
+
+func TestStartServer(t *testing.T) {
+	// Generate a test key pair
+	pubKey, privKey, err := ed25519.GenerateKey(nil)
+	require.NoError(t, err)
+	signer, err := ssh.NewSignerFromKey(privKey)
+	require.NoError(t, err)
+	sshPubKey, err := ssh.NewPublicKey(pubKey)
+	require.NoError(t, err)
+
+	// Generate a different key pair for bad key test
+	badPubKey, badPrivKey, err := ed25519.GenerateKey(nil)
+	require.NoError(t, err)
+	badSigner, err := ssh.NewSignerFromKey(badPrivKey)
+	require.NoError(t, err)
+	sshBadPubKey, err := ssh.NewPublicKey(badPubKey)
+	require.NoError(t, err)
+
+	socketFile := filepath.Join(t.TempDir(), "beszel-test.sock")
+
+	tests := []struct {
+		name        string
+		config      ServerOptions
+		wantErr     bool
+		errContains string
+		setup       func() error
+		cleanup     func() error
+	}{
+		{
+			name: "tcp port only",
+			config: ServerOptions{
+				Network: "tcp",
+				Addr:    ":45987",
+				Keys:    []ssh.PublicKey{sshPubKey},
+			},
+		},
+		{
+			name: "tcp with ipv4",
+			config: ServerOptions{
+				Network: "tcp4",
+				Addr:    "127.0.0.1:45988",
+				Keys:    []ssh.PublicKey{sshPubKey},
+			},
+		},
+		{
+			name: "tcp with ipv6",
+			config: ServerOptions{
+				Network: "tcp6",
+				Addr:    "[::1]:45989",
+				Keys:    []ssh.PublicKey{sshPubKey},
+			},
+		},
+		{
+			name: "unix socket",
+			config: ServerOptions{
+				Network: "unix",
+				Addr:    socketFile,
+				Keys:    []ssh.PublicKey{sshPubKey},
+			},
+			setup: func() error {
+				// Create a socket file that should be removed
+				f, err := os.Create(socketFile)
+				if err != nil {
+					return err
+				}
+				return f.Close()
+			},
+			cleanup: func() error {
+				return os.Remove(socketFile)
+			},
+		},
+		{
+			name: "bad key should fail",
+			config: ServerOptions{
+				Network: "tcp",
+				Addr:    ":45987",
+				Keys:    []ssh.PublicKey{sshBadPubKey},
+			},
+			wantErr:     true,
+			errContains: "ssh: handshake failed",
+		},
+		{
+			name: "good key still good",
+			config: ServerOptions{
+				Network: "tcp",
+				Addr:    ":45987",
+				Keys:    []ssh.PublicKey{sshPubKey},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.setup != nil {
+				err := tt.setup()
+				require.NoError(t, err)
+			}
+
+			if tt.cleanup != nil {
+				defer tt.cleanup()
+			}
+
+			agent := NewAgent()
+
+			// Start server in a goroutine since it blocks
+			errChan := make(chan error, 1)
+			go func() {
+				errChan <- agent.StartServer(tt.config)
+			}()
+
+			// Add a short delay to allow the server to start
+			time.Sleep(100 * time.Millisecond)
+
+			// Try to connect to verify server is running
+			var client *ssh.Client
+			var err error
+
+			// Choose the appropriate signer based on the test case
+			testSigner := signer
+			if tt.name == "bad key should fail" {
+				testSigner = badSigner
+			}
+
+			sshClientConfig := &ssh.ClientConfig{
+				User: "a",
+				Auth: []ssh.AuthMethod{
+					ssh.PublicKeys(testSigner),
+				},
+				HostKeyCallback: ssh.InsecureIgnoreHostKey(),
+				Timeout:         4 * time.Second,
+			}
+
+			switch tt.config.Network {
+			case "unix":
+				client, err = ssh.Dial("unix", tt.config.Addr, sshClientConfig)
+			default:
+				if !strings.Contains(tt.config.Addr, ":") {
+					tt.config.Addr = ":" + tt.config.Addr
+				}
+				client, err = ssh.Dial("tcp", tt.config.Addr, sshClientConfig)
+			}
+
+			if tt.wantErr {
+				assert.Error(t, err)
+				if tt.errContains != "" {
+					assert.Contains(t, err.Error(), tt.errContains)
+				}
+				return
+			}
+
+			require.NoError(t, err)
+			require.NotNil(t, client)
+			client.Close()
+		})
+	}
+}
+
+/////////////////////////////////////////////////////////////////
+//////////////////// ParseKeys Tests ////////////////////////////
+/////////////////////////////////////////////////////////////////
+
+// Helper function to generate a temporary file with content
+func createTempFile(content string) (string, error) {
+	tmpFile, err := os.CreateTemp("", "ssh_keys_*.txt")
+	if err != nil {
+		return "", fmt.Errorf("failed to create temp file: %w", err)
+	}
+	defer tmpFile.Close()
+
+	if _, err := tmpFile.WriteString(content); err != nil {
+		return "", fmt.Errorf("failed to write to temp file: %w", err)
+	}
+
+	return tmpFile.Name(), nil
+}
+
+// Test case 1: String with a single SSH key
+func TestParseSingleKeyFromString(t *testing.T) {
+	input := "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKCBM91kukN7hbvFKtbpEeo2JXjCcNxXcdBH7V7ADMBo"
+	keys, err := ParseKeys(input)
+	if err != nil {
+		t.Fatalf("Expected no error, got: %v", err)
+	}
+	if len(keys) != 1 {
+		t.Fatalf("Expected 1 key, got %d keys", len(keys))
+	}
+	if keys[0].Type() != "ssh-ed25519" {
+		t.Fatalf("Expected key type 'ssh-ed25519', got '%s'", keys[0].Type())
+	}
+}
+
+// Test case 2: String with multiple SSH keys
+func TestParseMultipleKeysFromString(t *testing.T) {
+	input := "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKCBM91kukN7hbvFKtbpEeo2JXjCcNxXcdBH7V7ADMBo\nssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJDMtAOQfxDlCxe+A5lVbUY/DHxK1LAF2Z3AV0FYv36D \n #comment\n ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJDMtAOQfxDlCxe+A5lVbUY/DHxK1LAF2Z3AV0FYv36D"
+	keys, err := ParseKeys(input)
+	if err != nil {
+		t.Fatalf("Expected no error, got: %v", err)
+	}
+	if len(keys) != 3 {
+		t.Fatalf("Expected 3 keys, got %d keys", len(keys))
+	}
+	if keys[0].Type() != "ssh-ed25519" || keys[1].Type() != "ssh-ed25519" || keys[2].Type() != "ssh-ed25519" {
+		t.Fatalf("Unexpected key types: %s, %s, %s", keys[0].Type(), keys[1].Type(), keys[2].Type())
+	}
+}
+
+// Test case 3: File with a single SSH key
+func TestParseSingleKeyFromFile(t *testing.T) {
+	content := "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKCBM91kukN7hbvFKtbpEeo2JXjCcNxXcdBH7V7ADMBo"
+	filePath, err := createTempFile(content)
+	if err != nil {
+		t.Fatalf("Failed to create temp file: %v", err)
+	}
+	defer os.Remove(filePath) // Clean up the file after the test
+
+	// Read the file content
+	fileContent, err := os.ReadFile(filePath)
+	if err != nil {
+		t.Fatalf("Failed to read temp file: %v", err)
+	}
+
+	// Parse the keys
+	keys, err := ParseKeys(string(fileContent))
+	if err != nil {
+		t.Fatalf("Expected no error, got: %v", err)
+	}
+	if len(keys) != 1 {
+		t.Fatalf("Expected 1 key, got %d keys", len(keys))
+	}
+	if keys[0].Type() != "ssh-ed25519" {
+		t.Fatalf("Expected key type 'ssh-ed25519', got '%s'", keys[0].Type())
+	}
+}
+
+// Test case 4: File with multiple SSH keys
+func TestParseMultipleKeysFromFile(t *testing.T) {
+	content := "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKCBM91kukN7hbvFKtbpEeo2JXjCcNxXcdBH7V7ADMBo\nssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJDMtAOQfxDlCxe+A5lVbUY/DHxK1LAF2Z3AV0FYv36D \n #comment\n ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJDMtAOQfxDlCxe+A5lVbUY/DHxK1LAF2Z3AV0FYv36D"
+	filePath, err := createTempFile(content)
+	if err != nil {
+		t.Fatalf("Failed to create temp file: %v", err)
+	}
+	// defer os.Remove(filePath) // Clean up the file after the test
+
+	// Read the file content
+	fileContent, err := os.ReadFile(filePath)
+	if err != nil {
+		t.Fatalf("Failed to read temp file: %v", err)
+	}
+
+	// Parse the keys
+	keys, err := ParseKeys(string(fileContent))
+	if err != nil {
+		t.Fatalf("Expected no error, got: %v", err)
+	}
+	if len(keys) != 3 {
+		t.Fatalf("Expected 3 keys, got %d keys", len(keys))
+	}
+	if keys[0].Type() != "ssh-ed25519" || keys[1].Type() != "ssh-ed25519" || keys[2].Type() != "ssh-ed25519" {
+		t.Fatalf("Unexpected key types: %s, %s, %s", keys[0].Type(), keys[1].Type(), keys[2].Type())
+	}
+}
+
+// Test case 5: Invalid SSH key input
+func TestParseInvalidKey(t *testing.T) {
+	input := "invalid-key-data"
+	_, err := ParseKeys(input)
+	if err == nil {
+		t.Fatalf("Expected an error for invalid key, got nil")
+	}
+	expectedErrMsg := "failed to parse key"
+	if !strings.Contains(err.Error(), expectedErrMsg) {
+		t.Fatalf("Expected error message to contain '%s', got: %v", expectedErrMsg, err)
+	}
+}

beszel/internal/agent/system.go

@@ -0,0 +1,276 @@
+package agent
+
+import (
+	"beszel"
+	"beszel/internal/entities/system"
+	"bufio"
+	"fmt"
+	"log/slog"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/shirou/gopsutil/v4/cpu"
+	"github.com/shirou/gopsutil/v4/disk"
+	"github.com/shirou/gopsutil/v4/host"
+	"github.com/shirou/gopsutil/v4/mem"
+	psutilNet "github.com/shirou/gopsutil/v4/net"
+)
+
+// Sets initial / non-changing values about the host system
+func (a *Agent) initializeSystemInfo() {
+	a.systemInfo.AgentVersion = beszel.Version
+	a.systemInfo.Hostname, _ = os.Hostname()
+
+	platform, _, version, _ := host.PlatformInformation()
+
+	if platform == "darwin" {
+		a.systemInfo.KernelVersion = version
+		a.systemInfo.Os = system.Darwin
+	} else if strings.Contains(platform, "indows") {
+		a.systemInfo.KernelVersion = strings.Replace(platform, "Microsoft ", "", 1) + " " + version
+		a.systemInfo.Os = system.Windows
+	} else if platform == "freebsd" {
+		a.systemInfo.Os = system.Freebsd
+		a.systemInfo.KernelVersion = version
+	} else {
+		a.systemInfo.Os = system.Linux
+	}
+
+	if a.systemInfo.KernelVersion == "" {
+		a.systemInfo.KernelVersion, _ = host.KernelVersion()
+	}
+
+	// cpu model
+	if info, err := cpu.Info(); err == nil && len(info) > 0 {
+		a.systemInfo.CpuModel = info[0].ModelName
+	}
+	// cores / threads
+	a.systemInfo.Cores, _ = cpu.Counts(false)
+	if threads, err := cpu.Counts(true); err == nil {
+		if threads > 0 && threads < a.systemInfo.Cores {
+			// in lxc logical cores reflects container limits, so use that as cores if lower
+			a.systemInfo.Cores = threads
+		} else {
+			a.systemInfo.Threads = threads
+		}
+	}
+
+	// zfs
+	if _, err := getARCSize(); err == nil {
+		a.zfs = true
+	} else {
+		slog.Debug("Not monitoring ZFS ARC", "err", err)
+	}
+}
+
+// Returns current info, stats about the host system
+func (a *Agent) getSystemStats() system.Stats {
+	systemStats := system.Stats{}
+
+	// cpu percent
+	cpuPct, err := cpu.Percent(0, false)
+	if err != nil {
+		slog.Error("Error getting cpu percent", "err", err)
+	} else if len(cpuPct) > 0 {
+		systemStats.Cpu = twoDecimals(cpuPct[0])
+	}
+
+	// memory
+	if v, err := mem.VirtualMemory(); err == nil {
+		// swap
+		systemStats.Swap = bytesToGigabytes(v.SwapTotal)
+		systemStats.SwapUsed = bytesToGigabytes(v.SwapTotal - v.SwapFree - v.SwapCached)
+		// cache + buffers value for default mem calculation
+		cacheBuff := v.Total - v.Free - v.Used
+		// htop memory calculation overrides
+		if a.memCalc == "htop" {
+			// note: gopsutil automatically adds SReclaimable to v.Cached
+			cacheBuff = v.Cached + v.Buffers - v.Shared
+			v.Used = v.Total - (v.Free + cacheBuff)
+			v.UsedPercent = float64(v.Used) / float64(v.Total) * 100.0
+		}
+		// subtract ZFS ARC size from used memory and add as its own category
+		if a.zfs {
+			if arcSize, _ := getARCSize(); arcSize > 0 && arcSize < v.Used {
+				v.Used = v.Used - arcSize
+				v.UsedPercent = float64(v.Used) / float64(v.Total) * 100.0
+				systemStats.MemZfsArc = bytesToGigabytes(arcSize)
+			}
+		}
+		systemStats.Mem = bytesToGigabytes(v.Total)
+		systemStats.MemBuffCache = bytesToGigabytes(cacheBuff)
+		systemStats.MemUsed = bytesToGigabytes(v.Used)
+		systemStats.MemPct = twoDecimals(v.UsedPercent)
+	}
+
+	// disk usage
+	for _, stats := range a.fsStats {
+		if d, err := disk.Usage(stats.Mountpoint); err == nil {
+			stats.DiskTotal = bytesToGigabytes(d.Total)
+			stats.DiskUsed = bytesToGigabytes(d.Used)
+			if stats.Root {
+				systemStats.DiskTotal = bytesToGigabytes(d.Total)
+				systemStats.DiskUsed = bytesToGigabytes(d.Used)
+				systemStats.DiskPct = twoDecimals(d.UsedPercent)
+			}
+		} else {
+			// reset stats if error (likely unmounted)
+			slog.Error("Error getting disk stats", "name", stats.Mountpoint, "err", err)
+			stats.DiskTotal = 0
+			stats.DiskUsed = 0
+			stats.TotalRead = 0
+			stats.TotalWrite = 0
+		}
+	}
+
+	// disk i/o
+	if ioCounters, err := disk.IOCounters(a.fsNames...); err == nil {
+		for _, d := range ioCounters {
+			stats := a.fsStats[d.Name]
+			if stats == nil {
+				continue
+			}
+			secondsElapsed := time.Since(stats.Time).Seconds()
+			readPerSecond := bytesToMegabytes(float64(d.ReadBytes-stats.TotalRead) / secondsElapsed)
+			writePerSecond := bytesToMegabytes(float64(d.WriteBytes-stats.TotalWrite) / secondsElapsed)
+			// check for invalid values and reset stats if so
+			if readPerSecond < 0 || writePerSecond < 0 || readPerSecond > 50_000 || writePerSecond > 50_000 {
+				slog.Warn("Invalid disk I/O. Resetting.", "name", d.Name, "read", readPerSecond, "write", writePerSecond)
+				a.initializeDiskIoStats(ioCounters)
+				break
+			}
+			stats.Time = time.Now()
+			stats.DiskReadPs = readPerSecond
+			stats.DiskWritePs = writePerSecond
+			stats.TotalRead = d.ReadBytes
+			stats.TotalWrite = d.WriteBytes
+			// if root filesystem, update system stats
+			if stats.Root {
+				systemStats.DiskReadPs = stats.DiskReadPs
+				systemStats.DiskWritePs = stats.DiskWritePs
+			}
+		}
+	}
+
+	// network stats
+	if len(a.netInterfaces) == 0 {
+		// if no network interfaces, initialize again
+		// this is a fix if agent started before network is online (#466)
+		// maybe refactor this in the future to not cache interface names at all so we
+		// don't miss an interface that's been added after agent started in any circumstance
+		a.initializeNetIoStats()
+	}
+	if netIO, err := psutilNet.IOCounters(true); err == nil {
+		secondsElapsed := time.Since(a.netIoStats.Time).Seconds()
+		a.netIoStats.Time = time.Now()
+		bytesSent := uint64(0)
+		bytesRecv := uint64(0)
+		// sum all bytes sent and received
+		for _, v := range netIO {
+			// skip if not in valid network interfaces list
+			if _, exists := a.netInterfaces[v.Name]; !exists {
+				continue
+			}
+			bytesSent += v.BytesSent
+			bytesRecv += v.BytesRecv
+		}
+		// add to systemStats
+		sentPerSecond := float64(bytesSent-a.netIoStats.BytesSent) / secondsElapsed
+		recvPerSecond := float64(bytesRecv-a.netIoStats.BytesRecv) / secondsElapsed
+		networkSentPs := bytesToMegabytes(sentPerSecond)
+		networkRecvPs := bytesToMegabytes(recvPerSecond)
+		// add check for issue (#150) where sent is a massive number
+		if networkSentPs > 10_000 || networkRecvPs > 10_000 {
+			slog.Warn("Invalid net stats. Resetting.", "sent", networkSentPs, "recv", networkRecvPs)
+			for _, v := range netIO {
+				if _, exists := a.netInterfaces[v.Name]; !exists {
+					continue
+				}
+				slog.Info(v.Name, "recv", v.BytesRecv, "sent", v.BytesSent)
+			}
+			// reset network I/O stats
+			a.initializeNetIoStats()
+		} else {
+			systemStats.NetworkSent = networkSentPs
+			systemStats.NetworkRecv = networkRecvPs
+			// update netIoStats
+			a.netIoStats.BytesSent = bytesSent
+			a.netIoStats.BytesRecv = bytesRecv
+		}
+	}
+
+	// temperatures
+	// TODO: maybe refactor to methods on systemStats
+	a.updateTemperatures(&systemStats)
+
+	// GPU data
+	if a.gpuManager != nil {
+		// reset high gpu percent
+		a.systemInfo.GpuPct = 0
+		// get current GPU data
+		if gpuData := a.gpuManager.GetCurrentData(); len(gpuData) > 0 {
+			systemStats.GPUData = gpuData
+
+			// add temperatures
+			if systemStats.Temperatures == nil {
+				systemStats.Temperatures = make(map[string]float64, len(gpuData))
+			}
+			highestTemp := 0.0
+			for _, gpu := range gpuData {
+				if gpu.Temperature > 0 {
+					systemStats.Temperatures[gpu.Name] = gpu.Temperature
+					if a.sensorConfig.primarySensor == gpu.Name {
+						a.systemInfo.DashboardTemp = gpu.Temperature
+					}
+					if gpu.Temperature > highestTemp {
+						highestTemp = gpu.Temperature
+					}
+				}
+				// update high gpu percent for dashboard
+				a.systemInfo.GpuPct = max(a.systemInfo.GpuPct, gpu.Usage)
+			}
+			// use highest temp for dashboard temp if dashboard temp is unset
+			if a.systemInfo.DashboardTemp == 0 {
+				a.systemInfo.DashboardTemp = highestTemp
+			}
+		}
+	}
+
+	// update base system info
+	a.systemInfo.Cpu = systemStats.Cpu
+	a.systemInfo.MemPct = systemStats.MemPct
+	a.systemInfo.DiskPct = systemStats.DiskPct
+	a.systemInfo.Uptime, _ = host.Uptime()
+	a.systemInfo.Bandwidth = twoDecimals(systemStats.NetworkSent + systemStats.NetworkRecv)
+	slog.Debug("sysinfo", "data", a.systemInfo)
+
+	return systemStats
+}
+
+// Returns the size of the ZFS ARC memory cache in bytes
+func getARCSize() (uint64, error) {
+	file, err := os.Open("/proc/spl/kstat/zfs/arcstats")
+	if err != nil {
+		return 0, err
+	}
+	defer file.Close()
+
+	// Scan the lines
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if strings.HasPrefix(line, "size") {
+			// Example line: size 4 15032385536
+			fields := strings.Fields(line)
+			if len(fields) < 3 {
+				return 0, err
+			}
+			// Return the size as uint64
+			return strconv.ParseUint(fields[2], 10, 64)
+		}
+	}
+
+	return 0, fmt.Errorf("failed to parse size field")
+}

beszel/internal/agent/update.go

@@ -1,6 +1,7 @@
-package main
+package agent
 
 import (
+	"beszel"
 	"fmt"
 	"os"
 	"strings"
@@ -9,11 +10,12 @@ import (
 	"github.com/rhysd/go-github-selfupdate/selfupdate"
 )
 
-func updateBeszel() {
+// Update updates beszel-agent to the latest version
+func Update() {
 	var latest *selfupdate.Release
 	var found bool
 	var err error
-	currentVersion := semver.MustParse(Version)
+	currentVersion := semver.MustParse(beszel.Version)
 	fmt.Println("beszel-agent", currentVersion)
 	fmt.Println("Checking for updates...")
 	updater, _ := selfupdate.NewUpdater(selfupdate.Config{

beszel/internal/agent/utils.go

@@ -0,0 +1,15 @@
+package agent
+
+import "math"
+
+func bytesToMegabytes(b float64) float64 {
+	return twoDecimals(b / 1048576)
+}
+
+func bytesToGigabytes(b uint64) float64 {
+	return twoDecimals(float64(b) / 1073741824)
+}
+
+func twoDecimals(value float64) float64 {
+	return math.Round(value*100) / 100
+}

beszel/internal/alerts/alerts.go

@@ -0,0 +1,209 @@
+// Package alerts handles alert management and delivery.
+package alerts
+
+import (
+	"fmt"
+	"net/mail"
+	"net/url"
+	"sync"
+	"time"
+
+	"github.com/nicholas-fedor/shoutrrr"
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/apis"
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/pocketbase/pocketbase/tools/mailer"
+)
+
+type AlertManager struct {
+	app           core.App
+	alertQueue    chan alertTask
+	stopChan      chan struct{}
+	pendingAlerts sync.Map
+}
+
+type AlertMessageData struct {
+	UserID   string
+	Title    string
+	Message  string
+	Link     string
+	LinkText string
+}
+
+type UserNotificationSettings struct {
+	Emails   []string `json:"emails"`
+	Webhooks []string `json:"webhooks"`
+}
+
+type SystemAlertStats struct {
+	Cpu          float64            `json:"cpu"`
+	Mem          float64            `json:"mp"`
+	Disk         float64            `json:"dp"`
+	NetSent      float64            `json:"ns"`
+	NetRecv      float64            `json:"nr"`
+	Temperatures map[string]float32 `json:"t"`
+}
+
+type SystemAlertData struct {
+	systemRecord *core.Record
+	alertRecord  *core.Record
+	name         string
+	unit         string
+	val          float64
+	threshold    float64
+	triggered    bool
+	time         time.Time
+	count        uint8
+	min          uint8
+	mapSums      map[string]float32
+	descriptor   string // override descriptor in notification body (for temp sensor, disk partition, etc)
+}
+
+// notification services that support title param
+var supportsTitle = map[string]struct{}{
+	"bark":       {},
+	"discord":    {},
+	"gotify":     {},
+	"ifttt":      {},
+	"join":       {},
+	"lark":       {},
+	"matrix":     {},
+	"ntfy":       {},
+	"opsgenie":   {},
+	"pushbullet": {},
+	"pushover":   {},
+	"slack":      {},
+	"teams":      {},
+	"telegram":   {},
+	"zulip":      {},
+}
+
+// NewAlertManager creates a new AlertManager instance.
+func NewAlertManager(app core.App) *AlertManager {
+	am := &AlertManager{
+		app:        app,
+		alertQueue: make(chan alertTask),
+		stopChan:   make(chan struct{}),
+	}
+	go am.startWorker()
+	return am
+}
+
+func (am *AlertManager) SendAlert(data AlertMessageData) error {
+	// get user settings
+	record, err := am.app.FindFirstRecordByFilter(
+		"user_settings", "user={:user}",
+		dbx.Params{"user": data.UserID},
+	)
+	if err != nil {
+		return err
+	}
+	// unmarshal user settings
+	userAlertSettings := UserNotificationSettings{
+		Emails:   []string{},
+		Webhooks: []string{},
+	}
+	if err := record.UnmarshalJSONField("settings", &userAlertSettings); err != nil {
+		am.app.Logger().Error("Failed to unmarshal user settings", "err", err.Error())
+	}
+	// send alerts via webhooks
+	for _, webhook := range userAlertSettings.Webhooks {
+		if err := am.SendShoutrrrAlert(webhook, data.Title, data.Message, data.Link, data.LinkText); err != nil {
+			am.app.Logger().Error("Failed to send shoutrrr alert", "err", err.Error())
+		}
+	}
+	// send alerts via email
+	if len(userAlertSettings.Emails) == 0 {
+		return nil
+	}
+	addresses := []mail.Address{}
+	for _, email := range userAlertSettings.Emails {
+		addresses = append(addresses, mail.Address{Address: email})
+	}
+	message := mailer.Message{
+		To:      addresses,
+		Subject: data.Title,
+		Text:    data.Message + fmt.Sprintf("\n\n%s", data.Link),
+		From: mail.Address{
+			Address: am.app.Settings().Meta.SenderAddress,
+			Name:    am.app.Settings().Meta.SenderName,
+		},
+	}
+	err = am.app.NewMailClient().Send(&message)
+	if err != nil {
+		return err
+	}
+	am.app.Logger().Info("Sent email alert", "to", message.To, "subj", message.Subject)
+	return nil
+}
+
+// SendShoutrrrAlert sends an alert via a Shoutrrr URL
+func (am *AlertManager) SendShoutrrrAlert(notificationUrl, title, message, link, linkText string) error {
+	// Parse the URL
+	parsedURL, err := url.Parse(notificationUrl)
+	if err != nil {
+		return fmt.Errorf("error parsing URL: %v", err)
+	}
+	scheme := parsedURL.Scheme
+	queryParams := parsedURL.Query()
+
+	// Add title
+	if _, ok := supportsTitle[scheme]; ok {
+		queryParams.Add("title", title)
+	} else if scheme == "mattermost" {
+		// use markdown title for mattermost
+		message = "##### " + title + "\n\n" + message
+	} else if scheme == "generic" && queryParams.Has("template") {
+		// add title as property if using generic with template json
+		titleKey := queryParams.Get("titlekey")
+		if titleKey == "" {
+			titleKey = "title"
+		}
+		queryParams.Add("$"+titleKey, title)
+	} else {
+		// otherwise just add title to message
+		message = title + "\n\n" + message
+	}
+
+	// Add link
+	if scheme == "ntfy" {
+		queryParams.Add("Actions", fmt.Sprintf("view, %s, %s", linkText, link))
+	} else if scheme == "lark" {
+		queryParams.Add("link", link)
+	} else if scheme == "bark" {
+		queryParams.Add("url", link)
+	} else {
+		message += "\n\n" + link
+	}
+
+	// Encode the modified query parameters back into the URL
+	parsedURL.RawQuery = queryParams.Encode()
+	// log.Println("URL after modification:", parsedURL.String())
+
+	err = shoutrrr.Send(parsedURL.String(), message)
+
+	if err == nil {
+		am.app.Logger().Info("Sent shoutrrr alert", "title", title)
+	} else {
+		am.app.Logger().Error("Error sending shoutrrr alert", "err", err.Error())
+		return err
+	}
+	return nil
+}
+
+func (am *AlertManager) SendTestNotification(e *core.RequestEvent) error {
+	info, _ := e.RequestInfo()
+	if info.Auth == nil {
+		return apis.NewForbiddenError("Forbidden", nil)
+	}
+	url := e.Request.URL.Query().Get("url")
+	// log.Println("url", url)
+	if url == "" {
+		return e.JSON(200, map[string]string{"err": "URL is required"})
+	}
+	err := am.SendShoutrrrAlert(url, "Test Alert", "This is a notification from Beszel.", am.app.Settings().Meta.AppURL, "View Beszel")
+	if err != nil {
+		return e.JSON(200, map[string]string{"err": err.Error()})
+	}
+	return e.JSON(200, map[string]bool{"err": false})
+}

beszel/internal/alerts/alerts_status.go

@@ -0,0 +1,165 @@
+package alerts
+
+import (
+	"fmt"
+	"net/url"
+	"strings"
+	"time"
+
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/core"
+)
+
+type alertTask struct {
+	action      string // "schedule" or "cancel"
+	systemName  string
+	alertRecord *core.Record
+	delay       time.Duration
+}
+
+type alertInfo struct {
+	systemName  string
+	alertRecord *core.Record
+	expireTime  time.Time
+}
+
+// startWorker is a long-running goroutine that processes alert tasks
+// every x seconds. It must be running to process status alerts.
+func (am *AlertManager) startWorker() {
+	tick := time.Tick(15 * time.Second)
+	for {
+		select {
+		case <-am.stopChan:
+			return
+		case task := <-am.alertQueue:
+			switch task.action {
+			case "schedule":
+				am.pendingAlerts.Store(task.alertRecord.Id, &alertInfo{
+					systemName:  task.systemName,
+					alertRecord: task.alertRecord,
+					expireTime:  time.Now().Add(task.delay),
+				})
+			case "cancel":
+				am.pendingAlerts.Delete(task.alertRecord.Id)
+			}
+		case <-tick:
+			// Check for expired alerts every tick
+			now := time.Now()
+			for key, value := range am.pendingAlerts.Range {
+				info := value.(*alertInfo)
+				if now.After(info.expireTime) {
+					// Downtime delay has passed, process alert
+					am.sendStatusAlert("down", info.systemName, info.alertRecord)
+					am.pendingAlerts.Delete(key)
+				}
+			}
+		}
+	}
+}
+
+// StopWorker shuts down the AlertManager.worker goroutine
+func (am *AlertManager) StopWorker() {
+	close(am.stopChan)
+}
+
+// HandleStatusAlerts manages the logic when system status changes.
+func (am *AlertManager) HandleStatusAlerts(newStatus string, systemRecord *core.Record) error {
+	if newStatus != "up" && newStatus != "down" {
+		return nil
+	}
+
+	alertRecords, err := am.getSystemStatusAlerts(systemRecord.Id)
+	if err != nil {
+		return err
+	}
+	if len(alertRecords) == 0 {
+		return nil
+	}
+
+	systemName := systemRecord.GetString("name")
+	if newStatus == "down" {
+		am.handleSystemDown(systemName, alertRecords)
+	} else {
+		am.handleSystemUp(systemName, alertRecords)
+	}
+	return nil
+}
+
+// getSystemStatusAlerts retrieves all "Status" alert records for a given system ID.
+func (am *AlertManager) getSystemStatusAlerts(systemID string) ([]*core.Record, error) {
+	alertRecords, err := am.app.FindAllRecords("alerts", dbx.HashExp{
+		"system": systemID,
+		"name":   "Status",
+	})
+	if err != nil {
+		return nil, err
+	}
+	return alertRecords, nil
+}
+
+// Schedules delayed "down" alerts for each alert record.
+func (am *AlertManager) handleSystemDown(systemName string, alertRecords []*core.Record) {
+	for _, alertRecord := range alertRecords {
+		// Continue if alert is already scheduled
+		if _, exists := am.pendingAlerts.Load(alertRecord.Id); exists {
+			continue
+		}
+		// Schedule by adding to queue
+		min := max(1, alertRecord.GetInt("min"))
+		am.alertQueue <- alertTask{
+			action:      "schedule",
+			systemName:  systemName,
+			alertRecord: alertRecord,
+			delay:       time.Duration(min) * time.Minute,
+		}
+	}
+}
+
+// handleSystemUp manages the logic when a system status changes to "up".
+// It cancels any pending alerts and sends "up" alerts.
+func (am *AlertManager) handleSystemUp(systemName string, alertRecords []*core.Record) {
+	for _, alertRecord := range alertRecords {
+		alertRecordID := alertRecord.Id
+		// If alert exists for record, delete and continue (down alert not sent)
+		if _, exists := am.pendingAlerts.Load(alertRecordID); exists {
+			am.alertQueue <- alertTask{
+				action:      "cancel",
+				alertRecord: alertRecord,
+			}
+			continue
+		}
+		// No alert scheduled for this record, send "up" alert
+		if err := am.sendStatusAlert("up", systemName, alertRecord); err != nil {
+			am.app.Logger().Error("Failed to send alert", "err", err.Error())
+		}
+	}
+}
+
+// sendStatusAlert sends a status alert ("up" or "down") to the users associated with the alert records.
+func (am *AlertManager) sendStatusAlert(alertStatus string, systemName string, alertRecord *core.Record) error {
+	var emoji string
+	if alertStatus == "up" {
+		emoji = "\u2705" // Green checkmark emoji
+	} else {
+		emoji = "\U0001F534" // Red alert emoji
+	}
+
+	title := fmt.Sprintf("Connection to %s is %s %v", systemName, alertStatus, emoji)
+	message := strings.TrimSuffix(title, emoji)
+
+	if errs := am.app.ExpandRecord(alertRecord, []string{"user"}, nil); len(errs) > 0 {
+		return errs["user"]
+	}
+	user := alertRecord.ExpandedOne("user")
+	if user == nil {
+		return nil
+	}
+
+	return am.SendAlert(AlertMessageData{
+		UserID:   user.Id,
+		Title:    title,
+		Message:  message,
+		Link:     am.app.Settings().Meta.AppURL + "/system/" + url.PathEscape(systemName),
+		LinkText: "View " + systemName,
+	})
+}

beszel/internal/alerts/alerts_system.go

@@ -0,0 +1,292 @@
+package alerts
+
+import (
+	"beszel/internal/entities/system"
+	"fmt"
+	"net/url"
+	"strings"
+	"time"
+
+	"github.com/goccy/go-json"
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/pocketbase/pocketbase/tools/types"
+	"github.com/spf13/cast"
+)
+
+func (am *AlertManager) HandleSystemAlerts(systemRecord *core.Record, data *system.CombinedData) error {
+	alertRecords, err := am.app.FindAllRecords("alerts",
+		dbx.NewExp("system={:system}", dbx.Params{"system": systemRecord.Id}),
+	)
+	if err != nil || len(alertRecords) == 0 {
+		// log.Println("no alerts found for system")
+		return nil
+	}
+
+	var validAlerts []SystemAlertData
+	now := systemRecord.GetDateTime("updated").Time().UTC()
+	oldestTime := now
+
+	for _, alertRecord := range alertRecords {
+		name := alertRecord.GetString("name")
+		var val float64
+		unit := "%"
+
+		switch name {
+		case "CPU":
+			val = data.Info.Cpu
+		case "Memory":
+			val = data.Info.MemPct
+		case "Bandwidth":
+			val = data.Info.Bandwidth
+			unit = " MB/s"
+		case "Disk":
+			maxUsedPct := data.Info.DiskPct
+			for _, fs := range data.Stats.ExtraFs {
+				usedPct := fs.DiskUsed / fs.DiskTotal * 100
+				if usedPct > maxUsedPct {
+					maxUsedPct = usedPct
+				}
+			}
+			val = maxUsedPct
+		case "Temperature":
+			if data.Info.DashboardTemp < 1 {
+				continue
+			}
+			val = data.Info.DashboardTemp
+			unit = "°C"
+		}
+
+		triggered := alertRecord.GetBool("triggered")
+		threshold := alertRecord.GetFloat("value")
+
+		// CONTINUE
+		// IF alert is not triggered and curValue is less than threshold
+		// OR alert is triggered and curValue is greater than threshold
+		if (!triggered && val <= threshold) || (triggered && val > threshold) {
+			// log.Printf("Skipping alert %s: val %f | threshold %f | triggered %v\n", name, val, threshold, triggered)
+			continue
+		}
+
+		min := max(1, cast.ToUint8(alertRecord.Get("min")))
+
+		alert := SystemAlertData{
+			systemRecord: systemRecord,
+			alertRecord:  alertRecord,
+			name:         name,
+			unit:         unit,
+			val:          val,
+			threshold:    threshold,
+			triggered:    triggered,
+			min:          min,
+		}
+
+		// send alert immediately if min is 1 - no need to sum up values.
+		if min == 1 {
+			alert.triggered = val > threshold
+			go am.sendSystemAlert(alert)
+			continue
+		}
+
+		alert.time = now.Add(-time.Duration(min) * time.Minute)
+		if alert.time.Before(oldestTime) {
+			oldestTime = alert.time
+		}
+
+		validAlerts = append(validAlerts, alert)
+	}
+
+	systemStats := []struct {
+		Stats   []byte         `db:"stats"`
+		Created types.DateTime `db:"created"`
+	}{}
+
+	err = am.app.DB().
+		Select("stats", "created").
+		From("system_stats").
+		Where(dbx.NewExp(
+			"system={:system} AND type='1m' AND created > {:created}",
+			dbx.Params{
+				"system": systemRecord.Id,
+				// subtract some time to give us a bit of buffer
+				"created": oldestTime.Add(-time.Second * 90),
+			},
+		)).
+		OrderBy("created").
+		All(&systemStats)
+	if err != nil || len(systemStats) == 0 {
+		return err
+	}
+
+	// get oldest record creation time from first record in the slice
+	oldestRecordTime := systemStats[0].Created.Time()
+	// log.Println("oldestRecordTime", oldestRecordTime.String())
+
+	// Filter validAlerts to keep only those with time newer than oldestRecord
+	filteredAlerts := make([]SystemAlertData, 0, len(validAlerts))
+	for _, alert := range validAlerts {
+		if alert.time.After(oldestRecordTime) {
+			filteredAlerts = append(filteredAlerts, alert)
+		}
+	}
+	validAlerts = filteredAlerts
+
+	if len(validAlerts) == 0 {
+		// log.Println("no valid alerts found")
+		return nil
+	}
+
+	var stats SystemAlertStats
+
+	// we can skip the latest systemStats record since it's the current value
+	for i := range systemStats {
+		stat := systemStats[i]
+		// subtract 10 seconds to give a small time buffer
+		systemStatsCreation := stat.Created.Time().Add(-time.Second * 10)
+		if err := json.Unmarshal(stat.Stats, &stats); err != nil {
+			return err
+		}
+		// log.Println("stats", stats)
+		for j := range validAlerts {
+			alert := &validAlerts[j]
+			// reset alert val on first iteration
+			if i == 0 {
+				alert.val = 0
+			}
+			// continue if system_stats is older than alert time range
+			if systemStatsCreation.Before(alert.time) {
+				continue
+			}
+			// add to alert value
+			switch alert.name {
+			case "CPU":
+				alert.val += stats.Cpu
+			case "Memory":
+				alert.val += stats.Mem
+			case "Bandwidth":
+				alert.val += stats.NetSent + stats.NetRecv
+			case "Disk":
+				if alert.mapSums == nil {
+					alert.mapSums = make(map[string]float32, len(data.Stats.ExtraFs)+1)
+				}
+				// add root disk
+				if _, ok := alert.mapSums["root"]; !ok {
+					alert.mapSums["root"] = 0.0
+				}
+				alert.mapSums["root"] += float32(stats.Disk)
+				// add extra disks
+				for key, fs := range data.Stats.ExtraFs {
+					if _, ok := alert.mapSums[key]; !ok {
+						alert.mapSums[key] = 0.0
+					}
+					alert.mapSums[key] += float32(fs.DiskUsed / fs.DiskTotal * 100)
+				}
+			case "Temperature":
+				if alert.mapSums == nil {
+					alert.mapSums = make(map[string]float32, len(stats.Temperatures))
+				}
+				for key, temp := range stats.Temperatures {
+					if _, ok := alert.mapSums[key]; !ok {
+						alert.mapSums[key] = float32(0)
+					}
+					alert.mapSums[key] += temp
+				}
+			default:
+				continue
+			}
+			alert.count++
+		}
+	}
+	// sum up vals for each alert
+	for _, alert := range validAlerts {
+		switch alert.name {
+		case "Disk":
+			maxPct := float32(0)
+			for key, value := range alert.mapSums {
+				sumPct := float32(value)
+				if sumPct > maxPct {
+					maxPct = sumPct
+					alert.descriptor = fmt.Sprintf("Usage of %s", key)
+				}
+			}
+			alert.val = float64(maxPct / float32(alert.count))
+		case "Temperature":
+			maxTemp := float32(0)
+			for key, value := range alert.mapSums {
+				sumTemp := float32(value) / float32(alert.count)
+				if sumTemp > maxTemp {
+					maxTemp = sumTemp
+					alert.descriptor = fmt.Sprintf("Highest sensor %s", key)
+				}
+			}
+			alert.val = float64(maxTemp)
+		default:
+			alert.val = alert.val / float64(alert.count)
+		}
+		minCount := float32(alert.min) / 1.2
+		// log.Println("alert", alert.name, "val", alert.val, "threshold", alert.threshold, "triggered", alert.triggered)
+		// log.Printf("%s: val %f | count %d | min-count %f | threshold %f\n", alert.name, alert.val, alert.count, minCount, alert.threshold)
+		// pass through alert if count is greater than or equal to minCount
+		if float32(alert.count) >= minCount {
+			if !alert.triggered && alert.val > alert.threshold {
+				alert.triggered = true
+				go am.sendSystemAlert(alert)
+			} else if alert.triggered && alert.val <= alert.threshold {
+				alert.triggered = false
+				go am.sendSystemAlert(alert)
+			}
+		}
+	}
+	return nil
+}
+
+func (am *AlertManager) sendSystemAlert(alert SystemAlertData) {
+	// log.Printf("Sending alert %s: val %f | count %d | threshold %f\n", alert.name, alert.val, alert.count, alert.threshold)
+	systemName := alert.systemRecord.GetString("name")
+
+	// change Disk to Disk usage
+	if alert.name == "Disk" {
+		alert.name += " usage"
+	}
+
+	// make title alert name lowercase if not CPU
+	titleAlertName := alert.name
+	if titleAlertName != "CPU" {
+		titleAlertName = strings.ToLower(titleAlertName)
+	}
+
+	var subject string
+	if alert.triggered {
+		subject = fmt.Sprintf("%s %s above threshold", systemName, titleAlertName)
+	} else {
+		subject = fmt.Sprintf("%s %s below threshold", systemName, titleAlertName)
+	}
+	minutesLabel := "minute"
+	if alert.min > 1 {
+		minutesLabel += "s"
+	}
+	if alert.descriptor == "" {
+		alert.descriptor = alert.name
+	}
+	body := fmt.Sprintf("%s averaged %.2f%s for the previous %v %s.", alert.descriptor, alert.val, alert.unit, alert.min, minutesLabel)
+
+	alert.alertRecord.Set("triggered", alert.triggered)
+	if err := am.app.Save(alert.alertRecord); err != nil {
+		// app.Logger().Error("failed to save alert record", "err", err.Error())
+		return
+	}
+	// expand the user relation and send the alert
+	if errs := am.app.ExpandRecord(alert.alertRecord, []string{"user"}, nil); len(errs) > 0 {
+		// app.Logger().Error("failed to expand user relation", "errs", errs)
+		return
+	}
+	if user := alert.alertRecord.ExpandedOne("user"); user != nil {
+		am.SendAlert(AlertMessageData{
+			UserID:   user.Id,
+			Title:    subject,
+			Message:  body,
+			Link:     am.app.Settings().Meta.AppURL + "/system/" + url.PathEscape(systemName),
+			LinkText: "View " + systemName,
+		})
+	}
+}

beszel/internal/entities/container/container.go

@@ -0,0 +1,110 @@
+package container
+
+import "time"
+
+// Docker container info from /containers/json
+type ApiInfo struct {
+	Id      string
+	IdShort string
+	Names   []string
+	Status  string
+	// Image   string
+	// ImageID string
+	// Command string
+	// Created int64
+	// Ports      []Port
+	// SizeRw     int64 `json:",omitempty"`
+	// SizeRootFs int64 `json:",omitempty"`
+	// Labels     map[string]string
+	// State      string
+	// HostConfig struct {
+	// 	NetworkMode string            `json:",omitempty"`
+	// 	Annotations map[string]string `json:",omitempty"`
+	// }
+	// NetworkSettings *SummaryNetworkSettings
+	// Mounts          []MountPoint
+}
+
+// Docker container resources from /containers/{id}/stats
+type ApiStats struct {
+	Read        time.Time `json:"read"`               // Time of stats generation
+	NumProcs    uint32    `json:"num_procs,omitzero"` // Windows specific, not populated on Linux.
+	Networks    map[string]NetworkStats
+	CPUStats    CPUStats    `json:"cpu_stats"`
+	MemoryStats MemoryStats `json:"memory_stats"`
+}
+
+func (s *ApiStats) CalculateCpuPercentLinux(prevCpuUsage [2]uint64) float64 {
+	cpuDelta := s.CPUStats.CPUUsage.TotalUsage - prevCpuUsage[0]
+	systemDelta := s.CPUStats.SystemUsage - prevCpuUsage[1]
+	return float64(cpuDelta) / float64(systemDelta) * 100
+}
+
+// from: https://github.com/docker/cli/blob/master/cli/command/container/stats_helpers.go#L185
+func (s *ApiStats) CalculateCpuPercentWindows(prevCpuUsage uint64, prevRead time.Time) float64 {
+	// Max number of 100ns intervals between the previous time read and now
+	possIntervals := uint64(s.Read.Sub(prevRead).Nanoseconds())
+	possIntervals /= 100                // Convert to number of 100ns intervals
+	possIntervals *= uint64(s.NumProcs) // Multiple by the number of processors
+
+	// Intervals used
+	intervalsUsed := s.CPUStats.CPUUsage.TotalUsage - prevCpuUsage
+
+	// Percentage avoiding divide-by-zero
+	if possIntervals > 0 {
+		return float64(intervalsUsed) / float64(possIntervals) * 100.0
+	}
+	return 0.00
+}
+
+type CPUStats struct {
+	// CPU Usage. Linux and Windows.
+	CPUUsage CPUUsage `json:"cpu_usage"`
+	// System Usage. Linux only.
+	SystemUsage uint64 `json:"system_cpu_usage,omitempty"`
+}
+
+type CPUUsage struct {
+	// Total CPU time consumed.
+	// Units: nanoseconds (Linux)
+	// Units: 100's of nanoseconds (Windows)
+	TotalUsage uint64 `json:"total_usage"`
+}
+
+type MemoryStats struct {
+	// current res_counter usage for memory
+	Usage uint64 `json:"usage,omitempty"`
+	// all the stats exported via memory.stat.
+	Stats MemoryStatsStats `json:"stats"`
+	// private working set (Windows only)
+	PrivateWorkingSet uint64 `json:"privateworkingset,omitempty"`
+}
+
+type MemoryStatsStats struct {
+	Cache        uint64 `json:"cache,omitempty"`
+	InactiveFile uint64 `json:"inactive_file,omitempty"`
+}
+
+type NetworkStats struct {
+	// Bytes received. Windows and Linux.
+	RxBytes uint64 `json:"rx_bytes"`
+	// Bytes sent. Windows and Linux.
+	TxBytes uint64 `json:"tx_bytes"`
+}
+
+type prevNetStats struct {
+	Sent uint64
+	Recv uint64
+}
+
+// Docker container stats
+type Stats struct {
+	Name        string       `json:"n"`
+	Cpu         float64      `json:"c"`
+	Mem         float64      `json:"m"`
+	NetworkSent float64      `json:"ns"`
+	NetworkRecv float64      `json:"nr"`
+	PrevCpu     [2]uint64    `json:"-"`
+	PrevNet     prevNetStats `json:"-"`
+	PrevRead    time.Time    `json:"-"`
+}

beszel/internal/entities/system/system.go

@@ -0,0 +1,99 @@
+package system
+
+// TODO: this is confusing, make common package with common/types common/helpers etc
+
+import (
+	"beszel/internal/entities/container"
+	"time"
+)
+
+type Stats struct {
+	Cpu            float64             `json:"cpu"`
+	MaxCpu         float64             `json:"cpum,omitempty"`
+	Mem            float64             `json:"m"`
+	MemUsed        float64             `json:"mu"`
+	MemPct         float64             `json:"mp"`
+	MemBuffCache   float64             `json:"mb"`
+	MemZfsArc      float64             `json:"mz,omitempty"` // ZFS ARC memory
+	Swap           float64             `json:"s,omitempty"`
+	SwapUsed       float64             `json:"su,omitempty"`
+	DiskTotal      float64             `json:"d"`
+	DiskUsed       float64             `json:"du"`
+	DiskPct        float64             `json:"dp"`
+	DiskReadPs     float64             `json:"dr"`
+	DiskWritePs    float64             `json:"dw"`
+	MaxDiskReadPs  float64             `json:"drm,omitempty"`
+	MaxDiskWritePs float64             `json:"dwm,omitempty"`
+	NetworkSent    float64             `json:"ns"`
+	NetworkRecv    float64             `json:"nr"`
+	MaxNetworkSent float64             `json:"nsm,omitempty"`
+	MaxNetworkRecv float64             `json:"nrm,omitempty"`
+	Temperatures   map[string]float64  `json:"t,omitempty"`
+	ExtraFs        map[string]*FsStats `json:"efs,omitempty"`
+	GPUData        map[string]GPUData  `json:"g,omitempty"`
+}
+
+type GPUData struct {
+	Name        string  `json:"n"`
+	Temperature float64 `json:"-"`
+	MemoryUsed  float64 `json:"mu,omitempty"`
+	MemoryTotal float64 `json:"mt,omitempty"`
+	Usage       float64 `json:"u"`
+	Power       float64 `json:"p,omitempty"`
+	Count       float64 `json:"-"`
+}
+
+type FsStats struct {
+	Time           time.Time `json:"-"`
+	Root           bool      `json:"-"`
+	Mountpoint     string    `json:"-"`
+	DiskTotal      float64   `json:"d"`
+	DiskUsed       float64   `json:"du"`
+	TotalRead      uint64    `json:"-"`
+	TotalWrite     uint64    `json:"-"`
+	DiskReadPs     float64   `json:"r"`
+	DiskWritePs    float64   `json:"w"`
+	MaxDiskReadPS  float64   `json:"rm,omitempty"`
+	MaxDiskWritePS float64   `json:"wm,omitempty"`
+}
+
+type NetIoStats struct {
+	BytesRecv uint64
+	BytesSent uint64
+	Time      time.Time
+	Name      string
+}
+
+type Os uint8
+
+const (
+	Linux Os = iota
+	Darwin
+	Windows
+	Freebsd
+)
+
+type Info struct {
+	Hostname      string  `json:"h"`
+	KernelVersion string  `json:"k,omitempty"`
+	Cores         int     `json:"c"`
+	Threads       int     `json:"t,omitempty"`
+	CpuModel      string  `json:"m"`
+	Uptime        uint64  `json:"u"`
+	Cpu           float64 `json:"cpu"`
+	MemPct        float64 `json:"mp"`
+	DiskPct       float64 `json:"dp"`
+	Bandwidth     float64 `json:"b"`
+	AgentVersion  string  `json:"v"`
+	Podman        bool    `json:"p,omitempty"`
+	GpuPct        float64 `json:"g,omitempty"`
+	DashboardTemp float64 `json:"dt,omitempty"`
+	Os            Os      `json:"os"`
+}
+
+// Final data structure to return to the hub
+type CombinedData struct {
+	Stats      Stats              `json:"stats"`
+	Info       Info               `json:"info"`
+	Containers []*container.Stats `json:"container"`
+}

beszel/internal/hub/config.go

@@ -0,0 +1,221 @@
+package hub
+
+import (
+	"beszel/internal/entities/system"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/apis"
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/spf13/cast"
+	"gopkg.in/yaml.v3"
+)
+
+type Config struct {
+	Systems []SystemConfig `yaml:"systems"`
+}
+
+type SystemConfig struct {
+	Name  string   `yaml:"name"`
+	Host  string   `yaml:"host"`
+	Port  uint16   `yaml:"port,omitempty"`
+	Users []string `yaml:"users"`
+}
+
+// Syncs systems with the config.yml file
+func syncSystemsWithConfig(e *core.ServeEvent) error {
+	h := e.App
+	configPath := filepath.Join(h.DataDir(), "config.yml")
+	configData, err := os.ReadFile(configPath)
+	if err != nil {
+		return nil
+	}
+
+	var config Config
+	err = yaml.Unmarshal(configData, &config)
+	if err != nil {
+		return fmt.Errorf("failed to parse config.yml: %v", err)
+	}
+
+	if len(config.Systems) == 0 {
+		log.Println("No systems defined in config.yml.")
+		return nil
+	}
+
+	var firstUser *core.Record
+
+	// Create a map of email to user ID
+	userEmailToID := make(map[string]string)
+	users, err := h.FindAllRecords("users", dbx.NewExp("id != ''"))
+	if err != nil {
+		return err
+	}
+	if len(users) > 0 {
+		firstUser = users[0]
+		for _, user := range users {
+			userEmailToID[user.GetString("email")] = user.Id
+		}
+	}
+
+	// add default settings for systems if not defined in config
+	for i := range config.Systems {
+		system := &config.Systems[i]
+		if system.Port == 0 {
+			system.Port = 45876
+		}
+		if len(users) > 0 && len(system.Users) == 0 {
+			// default to first user if none are defined
+			system.Users = []string{firstUser.Id}
+		} else {
+			// Convert email addresses to user IDs
+			userIDs := make([]string, 0, len(system.Users))
+			for _, email := range system.Users {
+				if id, ok := userEmailToID[email]; ok {
+					userIDs = append(userIDs, id)
+				} else {
+					log.Printf("User %s not found", email)
+				}
+			}
+			system.Users = userIDs
+		}
+	}
+
+	// Get existing systems
+	existingSystems, err := h.FindAllRecords("systems", dbx.NewExp("id != ''"))
+	if err != nil {
+		return err
+	}
+
+	// Create a map of existing systems
+	existingSystemsMap := make(map[string]*core.Record)
+	for _, system := range existingSystems {
+		key := system.GetString("name") + system.GetString("host") + system.GetString("port")
+		existingSystemsMap[key] = system
+	}
+
+	// Process systems from config
+	for _, sysConfig := range config.Systems {
+		key := sysConfig.Name + sysConfig.Host + cast.ToString(sysConfig.Port)
+		if existingSystem, ok := existingSystemsMap[key]; ok {
+			// Update existing system
+			existingSystem.Set("name", sysConfig.Name)
+			existingSystem.Set("users", sysConfig.Users)
+			existingSystem.Set("port", sysConfig.Port)
+			if err := h.Save(existingSystem); err != nil {
+				return err
+			}
+			delete(existingSystemsMap, key)
+		} else {
+			// Create new system
+			systemsCollection, err := h.FindCollectionByNameOrId("systems")
+			if err != nil {
+				return fmt.Errorf("failed to find systems collection: %v", err)
+			}
+			newSystem := core.NewRecord(systemsCollection)
+			newSystem.Set("name", sysConfig.Name)
+			newSystem.Set("host", sysConfig.Host)
+			newSystem.Set("port", sysConfig.Port)
+			newSystem.Set("users", sysConfig.Users)
+			newSystem.Set("info", system.Info{})
+			newSystem.Set("status", "pending")
+			if err := h.Save(newSystem); err != nil {
+				return fmt.Errorf("failed to create new system: %v", err)
+			}
+		}
+	}
+
+	// Delete systems not in config
+	for _, system := range existingSystemsMap {
+		if err := h.Delete(system); err != nil {
+			return err
+		}
+	}
+
+	log.Println("Systems synced with config.yml")
+	return nil
+}
+
+// Generates content for the config.yml file as a YAML string
+func (h *Hub) generateConfigYAML() (string, error) {
+	// Fetch all systems from the database
+	systems, err := h.FindRecordsByFilter("systems", "id != ''", "name", -1, 0)
+	if err != nil {
+		return "", err
+	}
+
+	// Create a Config struct to hold the data
+	config := Config{
+		Systems: make([]SystemConfig, 0, len(systems)),
+	}
+
+	// Fetch all users at once
+	allUserIDs := make([]string, 0)
+	for _, system := range systems {
+		allUserIDs = append(allUserIDs, system.GetStringSlice("users")...)
+	}
+	userEmailMap, err := h.getUserEmailMap(allUserIDs)
+	if err != nil {
+		return "", err
+	}
+
+	// Populate the Config struct with system data
+	for _, system := range systems {
+		userIDs := system.GetStringSlice("users")
+		userEmails := make([]string, 0, len(userIDs))
+		for _, userID := range userIDs {
+			if email, ok := userEmailMap[userID]; ok {
+				userEmails = append(userEmails, email)
+			}
+		}
+
+		sysConfig := SystemConfig{
+			Name:  system.GetString("name"),
+			Host:  system.GetString("host"),
+			Port:  cast.ToUint16(system.Get("port")),
+			Users: userEmails,
+		}
+		config.Systems = append(config.Systems, sysConfig)
+	}
+
+	// Marshal the Config struct to YAML
+	yamlData, err := yaml.Marshal(&config)
+	if err != nil {
+		return "", err
+	}
+
+	// Add a header to the YAML
+	yamlData = append([]byte("# Values for port and users are optional.\n# Defaults are port 45876 and the first created user.\n\n"), yamlData...)
+
+	return string(yamlData), nil
+}
+
+// New helper function to get a map of user IDs to emails
+func (h *Hub) getUserEmailMap(userIDs []string) (map[string]string, error) {
+	users, err := h.FindRecordsByIds("users", userIDs)
+	if err != nil {
+		return nil, err
+	}
+
+	userEmailMap := make(map[string]string, len(users))
+	for _, user := range users {
+		userEmailMap[user.Id] = user.GetString("email")
+	}
+
+	return userEmailMap, nil
+}
+
+// Returns the current config.yml file as a JSON object
+func (h *Hub) getYamlConfig(e *core.RequestEvent) error {
+	info, _ := e.RequestInfo()
+	if info.Auth == nil || info.Auth.GetString("role") != "admin" {
+		return apis.NewForbiddenError("Forbidden", nil)
+	}
+	configContent, err := h.generateConfigYAML()
+	if err != nil {
+		return err
+	}
+	return e.JSON(200, map[string]string{"config": configContent})
+}

beszel/internal/hub/hub.go

@@ -0,0 +1,311 @@
+// Package hub handles updating systems and serving the web UI.
+package hub
+
+import (
+	"beszel"
+	"beszel/internal/alerts"
+	"beszel/internal/hub/systems"
+	"beszel/internal/records"
+	"beszel/internal/users"
+	"beszel/site"
+	"crypto/ed25519"
+	"encoding/pem"
+	"io/fs"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+	"os"
+	"strings"
+
+	"github.com/pocketbase/pocketbase"
+	"github.com/pocketbase/pocketbase/apis"
+	"github.com/pocketbase/pocketbase/core"
+	"golang.org/x/crypto/ssh"
+)
+
+type Hub struct {
+	core.App
+	*alerts.AlertManager
+	um     *users.UserManager
+	rm     *records.RecordManager
+	sm     *systems.SystemManager
+	pubKey string
+	appURL string
+}
+
+// NewHub creates a new Hub instance with default configuration
+func NewHub(app core.App) *Hub {
+	hub := &Hub{}
+	hub.App = app
+
+	hub.AlertManager = alerts.NewAlertManager(hub)
+	hub.um = users.NewUserManager(hub)
+	hub.rm = records.NewRecordManager(hub)
+	hub.sm = systems.NewSystemManager(hub)
+	hub.appURL, _ = GetEnv("APP_URL")
+	return hub
+}
+
+// GetEnv retrieves an environment variable with a "BESZEL_HUB_" prefix, or falls back to the unprefixed key.
+func GetEnv(key string) (value string, exists bool) {
+	if value, exists = os.LookupEnv("BESZEL_HUB_" + key); exists {
+		return value, exists
+	}
+	// Fallback to the old unprefixed key
+	return os.LookupEnv(key)
+}
+
+func (h *Hub) StartHub() error {
+
+	h.App.OnServe().BindFunc(func(e *core.ServeEvent) error {
+		// initialize settings / collections
+		if err := h.initialize(e); err != nil {
+			return err
+		}
+		// sync systems with config
+		if err := syncSystemsWithConfig(e); err != nil {
+			return err
+		}
+		// register api routes
+		if err := h.registerApiRoutes(e); err != nil {
+			return err
+		}
+		// register cron jobs
+		if err := h.registerCronJobs(e); err != nil {
+			return err
+		}
+		// start server
+		if err := h.startServer(e); err != nil {
+			return err
+		}
+		// start system updates
+		if err := h.sm.Initialize(); err != nil {
+			return err
+		}
+		return e.Next()
+	})
+
+	// TODO: move to users package
+	// handle default values for user / user_settings creation
+	h.App.OnRecordCreate("users").BindFunc(h.um.InitializeUserRole)
+	h.App.OnRecordCreate("user_settings").BindFunc(h.um.InitializeUserSettings)
+
+	if pb, ok := h.App.(*pocketbase.PocketBase); ok {
+		// log.Println("Starting pocketbase")
+		err := pb.Start()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// initialize sets up initial configuration (collections, settings, etc.)
+func (h *Hub) initialize(e *core.ServeEvent) error {
+	// set general settings
+	settings := e.App.Settings()
+	// batch requests (for global alerts)
+	settings.Batch.Enabled = true
+	// set URL if BASE_URL env is set
+	if h.appURL != "" {
+		settings.Meta.AppURL = h.appURL
+	}
+	// set auth settings
+	usersCollection, err := e.App.FindCollectionByNameOrId("users")
+	if err != nil {
+		return err
+	}
+	// disable email auth if DISABLE_PASSWORD_AUTH env var is set
+	disablePasswordAuth, _ := GetEnv("DISABLE_PASSWORD_AUTH")
+	usersCollection.PasswordAuth.Enabled = disablePasswordAuth != "true"
+	usersCollection.PasswordAuth.IdentityFields = []string{"email"}
+	// disable oauth if no providers are configured (todo: remove this in post 0.9.0 release)
+	if usersCollection.OAuth2.Enabled {
+		usersCollection.OAuth2.Enabled = len(usersCollection.OAuth2.Providers) > 0
+	}
+	// allow oauth user creation if USER_CREATION is set
+	if userCreation, _ := GetEnv("USER_CREATION"); userCreation == "true" {
+		cr := "@request.context = 'oauth2'"
+		usersCollection.CreateRule = &cr
+	} else {
+		usersCollection.CreateRule = nil
+	}
+	if err := e.App.Save(usersCollection); err != nil {
+		return err
+	}
+	// allow all users to access systems if SHARE_ALL_SYSTEMS is set
+	systemsCollection, err := e.App.FindCachedCollectionByNameOrId("systems")
+	if err != nil {
+		return err
+	}
+	shareAllSystems, _ := GetEnv("SHARE_ALL_SYSTEMS")
+	systemsReadRule := "@request.auth.id != \"\""
+	if shareAllSystems != "true" {
+		// default is to only show systems that the user id is assigned to
+		systemsReadRule += " && users.id ?= @request.auth.id"
+	}
+	updateDeleteRule := systemsReadRule + " && @request.auth.role != \"readonly\""
+	systemsCollection.ListRule = &systemsReadRule
+	systemsCollection.ViewRule = &systemsReadRule
+	systemsCollection.UpdateRule = &updateDeleteRule
+	systemsCollection.DeleteRule = &updateDeleteRule
+	if err := e.App.Save(systemsCollection); err != nil {
+		return err
+	}
+	return nil
+}
+
+// startServer starts the server for the Beszel (not PocketBase)
+func (h *Hub) startServer(se *core.ServeEvent) error {
+	// TODO: exclude dev server from production binary
+	switch h.IsDev() {
+	case true:
+		proxy := httputil.NewSingleHostReverseProxy(&url.URL{
+			Scheme: "http",
+			Host:   "localhost:5173",
+		})
+		se.Router.GET("/{path...}", func(e *core.RequestEvent) error {
+			proxy.ServeHTTP(e.Response, e.Request)
+			return nil
+		})
+	default:
+		// parse app url
+		parsedURL, err := url.Parse(h.appURL)
+		if err != nil {
+			return err
+		}
+		// fix base paths in html if using subpath
+		basePath := strings.TrimSuffix(parsedURL.Path, "/") + "/"
+		indexFile, _ := fs.ReadFile(site.DistDirFS, "index.html")
+		indexContent := strings.ReplaceAll(string(indexFile), "./", basePath)
+		indexContent = strings.Replace(indexContent, "{{V}}", beszel.Version, 1)
+		// set up static asset serving
+		staticPaths := [2]string{"/static/", "/assets/"}
+		serveStatic := apis.Static(site.DistDirFS, false)
+		// get CSP configuration
+		csp, cspExists := GetEnv("CSP")
+		// add route
+		se.Router.GET("/{path...}", func(e *core.RequestEvent) error {
+			// serve static assets if path is in staticPaths
+			for i := range staticPaths {
+				if strings.Contains(e.Request.URL.Path, staticPaths[i]) {
+					e.Response.Header().Set("Cache-Control", "public, max-age=2592000")
+					return serveStatic(e)
+				}
+			}
+			if cspExists {
+				e.Response.Header().Del("X-Frame-Options")
+				e.Response.Header().Set("Content-Security-Policy", csp)
+			}
+			return e.HTML(http.StatusOK, indexContent)
+		})
+	}
+	return nil
+}
+
+// registerCronJobs sets up scheduled tasks
+func (h *Hub) registerCronJobs(_ *core.ServeEvent) error {
+	// delete old records once every hour
+	h.Cron().MustAdd("delete old records", "8 * * * *", h.rm.DeleteOldRecords)
+	// create longer records every 10 minutes
+	h.Cron().MustAdd("create longer records", "*/10 * * * *", h.rm.CreateLongerRecords)
+	return nil
+}
+
+// custom api routes
+func (h *Hub) registerApiRoutes(se *core.ServeEvent) error {
+	// returns public key and version
+	se.Router.GET("/api/beszel/getkey", func(e *core.RequestEvent) error {
+		info, _ := e.RequestInfo()
+		if info.Auth == nil {
+			return apis.NewForbiddenError("Forbidden", nil)
+		}
+		return e.JSON(http.StatusOK, map[string]string{"key": h.pubKey, "v": beszel.Version})
+	})
+	// check if first time setup on login page
+	se.Router.GET("/api/beszel/first-run", func(e *core.RequestEvent) error {
+		total, err := h.CountRecords("users")
+		return e.JSON(http.StatusOK, map[string]bool{"firstRun": err == nil && total == 0})
+	})
+	// send test notification
+	se.Router.GET("/api/beszel/send-test-notification", h.SendTestNotification)
+	// API endpoint to get config.yml content
+	se.Router.GET("/api/beszel/config-yaml", h.getYamlConfig)
+	// create first user endpoint only needed if no users exist
+	if totalUsers, _ := h.CountRecords("users"); totalUsers == 0 {
+		se.Router.POST("/api/beszel/create-user", h.um.CreateFirstUser)
+	}
+	return nil
+}
+
+// generates key pair if it doesn't exist and returns private key bytes
+func (h *Hub) GetSSHKey() ([]byte, error) {
+	dataDir := h.DataDir()
+	// check if the key pair already exists
+	existingKey, err := os.ReadFile(dataDir + "/id_ed25519")
+	if err == nil {
+		if pubKey, err := os.ReadFile(h.DataDir() + "/id_ed25519.pub"); err == nil {
+			h.pubKey = strings.TrimSuffix(string(pubKey), "\n")
+		}
+		// return existing private key
+		return existingKey, nil
+	}
+
+	// Generate the Ed25519 key pair
+	pubKey, privKey, err := ed25519.GenerateKey(nil)
+	if err != nil {
+		// h.Logger().Error("Error generating key pair:", "err", err.Error())
+		return nil, err
+	}
+
+	// Get the private key in OpenSSH format
+	privKeyBytes, err := ssh.MarshalPrivateKey(privKey, "")
+	if err != nil {
+		// h.Logger().Error("Error marshaling private key:", "err", err.Error())
+		return nil, err
+	}
+
+	// Save the private key to a file
+	privateFile, err := os.Create(dataDir + "/id_ed25519")
+	if err != nil {
+		// h.Logger().Error("Error creating private key file:", "err", err.Error())
+		return nil, err
+	}
+	defer privateFile.Close()
+
+	if err := pem.Encode(privateFile, privKeyBytes); err != nil {
+		// h.Logger().Error("Error writing private key to file:", "err", err.Error())
+		return nil, err
+	}
+
+	// Generate the public key in OpenSSH format
+	publicKey, err := ssh.NewPublicKey(pubKey)
+	if err != nil {
+		return nil, err
+	}
+
+	pubKeyBytes := ssh.MarshalAuthorizedKey(publicKey)
+	h.pubKey = strings.TrimSuffix(string(pubKeyBytes), "\n")
+
+	// Save the public key to a file
+	publicFile, err := os.Create(dataDir + "/id_ed25519.pub")
+	if err != nil {
+		return nil, err
+	}
+	defer publicFile.Close()
+
+	if _, err := publicFile.Write(pubKeyBytes); err != nil {
+		return nil, err
+	}
+
+	h.Logger().Info("ed25519 SSH key pair generated successfully.")
+	h.Logger().Info("Private key saved to: " + dataDir + "/id_ed25519")
+	h.Logger().Info("Public key saved to: " + dataDir + "/id_ed25519.pub")
+
+	existingKey, err = os.ReadFile(dataDir + "/id_ed25519")
+	if err == nil {
+		return existingKey, nil
+	}
+	return nil, err
+}

beszel/internal/hub/systems/systems.go

@@ -0,0 +1,435 @@
+package systems
+
+import (
+	"beszel/internal/entities/system"
+	"context"
+	"fmt"
+	"net"
+	"strings"
+	"time"
+
+	"github.com/goccy/go-json"
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/pocketbase/pocketbase/tools/store"
+	"golang.org/x/crypto/ssh"
+)
+
+const (
+	up      string = "up"
+	down    string = "down"
+	paused  string = "paused"
+	pending string = "pending"
+
+	interval int = 60_000
+
+	sessionTimeout = 4 * time.Second
+)
+
+type SystemManager struct {
+	hub       hubLike
+	systems   *store.Store[string, *System]
+	sshConfig *ssh.ClientConfig
+}
+
+type System struct {
+	Id      string `db:"id"`
+	Host    string `db:"host"`
+	Port    string `db:"port"`
+	Status  string `db:"status"`
+	manager *SystemManager
+	client  *ssh.Client
+	data    *system.CombinedData
+	ctx     context.Context
+	cancel  context.CancelFunc
+}
+
+type hubLike interface {
+	core.App
+	GetSSHKey() ([]byte, error)
+	HandleSystemAlerts(systemRecord *core.Record, data *system.CombinedData) error
+	HandleStatusAlerts(status string, systemRecord *core.Record) error
+}
+
+func NewSystemManager(hub hubLike) *SystemManager {
+	return &SystemManager{
+		systems: store.New(map[string]*System{}),
+		hub:     hub,
+	}
+}
+
+// Initialize initializes the system manager.
+// It binds the event hooks and starts updating existing systems.
+func (sm *SystemManager) Initialize() error {
+	sm.bindEventHooks()
+	// ssh setup
+	key, err := sm.hub.GetSSHKey()
+	if err != nil {
+		return err
+	}
+	if err := sm.createSSHClientConfig(key); err != nil {
+		return err
+	}
+	// start updating existing systems
+	var systems []*System
+	err = sm.hub.DB().NewQuery("SELECT id, host, port, status FROM systems WHERE status != 'paused'").All(&systems)
+	if err != nil || len(systems) == 0 {
+		return err
+	}
+	go func() {
+		// time between initial system updates
+		delta := interval / max(1, len(systems))
+		delta = min(delta, 2_000)
+		sleepTime := time.Duration(delta) * time.Millisecond
+		for _, system := range systems {
+			time.Sleep(sleepTime)
+			_ = sm.AddSystem(system)
+		}
+	}()
+	return nil
+}
+
+func (sm *SystemManager) bindEventHooks() {
+	sm.hub.OnRecordCreate("systems").BindFunc(sm.onRecordCreate)
+	sm.hub.OnRecordAfterCreateSuccess("systems").BindFunc(sm.onRecordAfterCreateSuccess)
+	sm.hub.OnRecordUpdate("systems").BindFunc(sm.onRecordUpdate)
+	sm.hub.OnRecordAfterUpdateSuccess("systems").BindFunc(sm.onRecordAfterUpdateSuccess)
+	sm.hub.OnRecordAfterDeleteSuccess("systems").BindFunc(sm.onRecordAfterDeleteSuccess)
+}
+
+// Runs before the record is committed to the database
+func (sm *SystemManager) onRecordCreate(e *core.RecordEvent) error {
+	e.Record.Set("info", system.Info{})
+	e.Record.Set("status", pending)
+	return e.Next()
+}
+
+// Runs after the record is committed to the database
+func (sm *SystemManager) onRecordAfterCreateSuccess(e *core.RecordEvent) error {
+	if err := sm.AddRecord(e.Record); err != nil {
+		e.App.Logger().Error("Error adding record", "err", err)
+	}
+	return e.Next()
+}
+
+// Runs before the record is updated
+func (sm *SystemManager) onRecordUpdate(e *core.RecordEvent) error {
+	if e.Record.GetString("status") == paused {
+		e.Record.Set("info", system.Info{})
+	}
+	return e.Next()
+}
+
+// Runs after the record is updated
+func (sm *SystemManager) onRecordAfterUpdateSuccess(e *core.RecordEvent) error {
+	newStatus := e.Record.GetString("status")
+	switch newStatus {
+	case paused:
+		sm.RemoveSystem(e.Record.Id)
+		return e.Next()
+	case pending:
+		if err := sm.AddRecord(e.Record); err != nil {
+			e.App.Logger().Error("Error adding record", "err", err)
+		}
+		return e.Next()
+	}
+	system, ok := sm.systems.GetOk(e.Record.Id)
+	if !ok {
+		return sm.AddRecord(e.Record)
+	}
+	prevStatus := system.Status
+	system.Status = newStatus
+	// system alerts if system is up
+	if system.Status == up {
+		if err := sm.hub.HandleSystemAlerts(e.Record, system.data); err != nil {
+			e.App.Logger().Error("Error handling system alerts", "err", err)
+		}
+	}
+	if (system.Status == down && prevStatus == up) || (system.Status == up && prevStatus == down) {
+		if err := sm.hub.HandleStatusAlerts(system.Status, e.Record); err != nil {
+			e.App.Logger().Error("Error handling status alerts", "err", err)
+		}
+	}
+	return e.Next()
+}
+
+// Runs after the record is deleted
+func (sm *SystemManager) onRecordAfterDeleteSuccess(e *core.RecordEvent) error {
+	sm.RemoveSystem(e.Record.Id)
+	return e.Next()
+}
+
+// AddSystem adds a system to the manager
+func (sm *SystemManager) AddSystem(sys *System) error {
+	if sm.systems.Has(sys.Id) {
+		return fmt.Errorf("system exists")
+	}
+	if sys.Id == "" || sys.Host == "" {
+		return fmt.Errorf("system is missing required fields")
+	}
+	sys.manager = sm
+	sys.ctx, sys.cancel = context.WithCancel(context.Background())
+	sys.data = &system.CombinedData{}
+	sm.systems.Set(sys.Id, sys)
+	go sys.StartUpdater()
+	return nil
+}
+
+// RemoveSystem removes a system from the manager
+func (sm *SystemManager) RemoveSystem(systemID string) error {
+	system, ok := sm.systems.GetOk(systemID)
+	if !ok {
+		return fmt.Errorf("system not found")
+	}
+	// cancel the context to signal stop
+	if system.cancel != nil {
+		system.cancel()
+	}
+	system.resetSSHClient()
+	sm.systems.Remove(systemID)
+	return nil
+}
+
+// AddRecord adds a record to the system manager.
+// It first removes any existing system with the same ID, then creates a new System
+// instance from the record data and adds it to the manager.
+// This function is typically called when a new system is created or when an existing
+// system's status changes to pending.
+func (sm *SystemManager) AddRecord(record *core.Record) (err error) {
+	_ = sm.RemoveSystem(record.Id)
+	system := &System{
+		Id:     record.Id,
+		Status: record.GetString("status"),
+		Host:   record.GetString("host"),
+		Port:   record.GetString("port"),
+	}
+	return sm.AddSystem(system)
+}
+
+// StartUpdater starts the system updater.
+// It first fetches the data from the agent then updates the records.
+// If the data is not found or the system is down, it sets the system down.
+func (sys *System) StartUpdater() {
+	if sys.data == nil {
+		sys.data = &system.CombinedData{}
+	}
+	if err := sys.update(); err != nil {
+		_ = sys.setDown(err)
+	}
+
+	c := time.Tick(time.Duration(interval) * time.Millisecond)
+
+	for {
+		select {
+		case <-sys.ctx.Done():
+			return
+		case <-c:
+			err := sys.update()
+			if err != nil {
+				_ = sys.setDown(err)
+			}
+		}
+	}
+}
+
+// update updates the system data and records.
+// It first fetches the data from the agent then updates the records.
+func (sys *System) update() error {
+	_, err := sys.fetchDataFromAgent()
+	if err == nil {
+		_, err = sys.createRecords()
+	}
+	return err
+}
+
+// createRecords updates the system record and adds system_stats and container_stats records
+func (sys *System) createRecords() (*core.Record, error) {
+	systemRecord, err := sys.getRecord()
+	if err != nil {
+		return nil, err
+	}
+	hub := sys.manager.hub
+	// add system_stats and container_stats records
+	systemStats, err := hub.FindCachedCollectionByNameOrId("system_stats")
+	if err != nil {
+		return nil, err
+	}
+	systemStatsRecord := core.NewRecord(systemStats)
+	systemStatsRecord.Set("system", systemRecord.Id)
+	systemStatsRecord.Set("stats", sys.data.Stats)
+	systemStatsRecord.Set("type", "1m")
+	if err := hub.SaveNoValidate(systemStatsRecord); err != nil {
+		return nil, err
+	}
+	// add new container_stats record
+	if len(sys.data.Containers) > 0 {
+		containerStats, err := hub.FindCachedCollectionByNameOrId("container_stats")
+		if err != nil {
+			return nil, err
+		}
+		containerStatsRecord := core.NewRecord(containerStats)
+		containerStatsRecord.Set("system", systemRecord.Id)
+		containerStatsRecord.Set("stats", sys.data.Containers)
+		containerStatsRecord.Set("type", "1m")
+		if err := hub.SaveNoValidate(containerStatsRecord); err != nil {
+			return nil, err
+		}
+	}
+	// update system record (do this last because it triggers alerts and we need above records to be inserted first)
+	systemRecord.Set("status", up)
+	systemRecord.Set("info", sys.data.Info)
+	if err := hub.SaveNoValidate(systemRecord); err != nil {
+		return nil, err
+	}
+	return systemRecord, nil
+}
+
+// getRecord retrieves the system record from the database.
+// If the record is not found or the system is paused, it removes the system from the manager.
+func (sys *System) getRecord() (*core.Record, error) {
+	record, err := sys.manager.hub.FindRecordById("systems", sys.Id)
+	if err != nil || record == nil {
+		_ = sys.manager.RemoveSystem(sys.Id)
+		return nil, err
+	}
+	return record, nil
+}
+
+// setDown marks a system as down in the database.
+// It takes the original error that caused the system to go down and returns any error
+// encountered during the process of updating the system status.
+func (sys *System) setDown(OriginalError error) error {
+	if sys.Status == down {
+		return nil
+	}
+	record, err := sys.getRecord()
+	if err != nil {
+		return err
+	}
+	sys.manager.hub.Logger().Error("System down", "system", record.GetString("name"), "err", OriginalError)
+	record.Set("status", down)
+	err = sys.manager.hub.SaveNoValidate(record)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// fetchDataFromAgent fetches the data from the agent.
+// It first creates a new SSH client if it doesn't exist or the system is down.
+// Then it creates a new SSH session and fetches the data from the agent.
+// If the data is not found or the system is down, it sets the system down.
+func (sys *System) fetchDataFromAgent() (*system.CombinedData, error) {
+	maxRetries := 1
+	for attempt := 0; attempt <= maxRetries; attempt++ {
+		if sys.client == nil || sys.Status == down {
+			if err := sys.createSSHClient(); err != nil {
+				return nil, err
+			}
+		}
+
+		session, err := sys.createSessionWithTimeout(4 * time.Second)
+		if err != nil {
+			if attempt >= maxRetries {
+				return nil, err
+			}
+			sys.manager.hub.Logger().Warn("Session closed. Retrying...", "host", sys.Host, "port", sys.Port, "err", err)
+			sys.resetSSHClient()
+			continue
+		}
+		defer session.Close()
+
+		stdout, err := session.StdoutPipe()
+		if err != nil {
+			return nil, err
+		}
+		if err := session.Shell(); err != nil {
+			return nil, err
+		}
+
+		// this is initialized in startUpdater, should never be nil
+		*sys.data = system.CombinedData{}
+		if err := json.NewDecoder(stdout).Decode(sys.data); err != nil {
+			return nil, err
+		}
+		// wait for the session to complete
+		if err := session.Wait(); err != nil {
+			return nil, err
+		}
+		return sys.data, nil
+	}
+
+	// this should never be reached due to the return in the loop
+	return nil, fmt.Errorf("failed to fetch data")
+}
+
+func (sm *SystemManager) createSSHClientConfig(key []byte) error {
+	signer, err := ssh.ParsePrivateKey(key)
+	if err != nil {
+		return err
+	}
+	sm.sshConfig = &ssh.ClientConfig{
+		User: "u",
+		Auth: []ssh.AuthMethod{
+			ssh.PublicKeys(signer),
+		},
+		HostKeyCallback: ssh.InsecureIgnoreHostKey(),
+		Timeout:         sessionTimeout,
+	}
+	return nil
+}
+
+// createSSHClient creates a new SSH client for the system
+func (s *System) createSSHClient() error {
+	network := "tcp"
+	host := s.Host
+	if strings.HasPrefix(host, "/") {
+		network = "unix"
+	} else {
+		host = net.JoinHostPort(host, s.Port)
+	}
+	var err error
+	s.client, err = ssh.Dial(network, host, s.manager.sshConfig)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// createSessionWithTimeout creates a new SSH session with a timeout to avoid hanging
+// in case of network issues
+func (sys *System) createSessionWithTimeout(timeout time.Duration) (*ssh.Session, error) {
+	if sys.client == nil {
+		return nil, fmt.Errorf("client not initialized")
+	}
+
+	ctx, cancel := context.WithTimeout(sys.ctx, timeout)
+	defer cancel()
+
+	sessionChan := make(chan *ssh.Session, 1)
+	errChan := make(chan error, 1)
+
+	go func() {
+		if session, err := sys.client.NewSession(); err != nil {
+			errChan <- err
+		} else {
+			sessionChan <- session
+		}
+	}()
+
+	select {
+	case session := <-sessionChan:
+		return session, nil
+	case err := <-errChan:
+		return nil, err
+	case <-ctx.Done():
+		return nil, fmt.Errorf("timeout")
+	}
+}
+
+// resetSSHClient closes the SSH connection and resets the client to nil
+func (sys *System) resetSSHClient() {
+	if sys.client != nil {
+		sys.client.Close()
+	}
+	sys.client = nil
+}

beszel/internal/hub/systems/systems_test.go

@@ -0,0 +1,440 @@
+//go:build testing
+// +build testing
+
+package systems_test
+
+import (
+	"beszel/internal/entities/container"
+	"beszel/internal/entities/system"
+	"beszel/internal/hub/systems"
+	"beszel/internal/tests"
+	"fmt"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+// createTestSystem creates a test system record with a unique host name
+// and returns the created record and any error
+func createTestSystem(t *testing.T, hub *tests.TestHub, options map[string]any) (*core.Record, error) {
+	collection, err := hub.FindCachedCollectionByNameOrId("systems")
+	if err != nil {
+		return nil, err
+	}
+
+	// get user record
+	var firstUser *core.Record
+	users, err := hub.FindAllRecords("users", dbx.NewExp("id != ''"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(users) > 0 {
+		firstUser = users[0]
+	}
+	// Generate a unique host name to ensure we're adding a new system
+	uniqueHost := fmt.Sprintf("test-host-%d.example.com", time.Now().UnixNano())
+
+	// Create the record
+	record := core.NewRecord(collection)
+	record.Set("name", uniqueHost)
+	record.Set("host", uniqueHost)
+	record.Set("port", "45876")
+	record.Set("status", "pending")
+	record.Set("users", []string{firstUser.Id})
+
+	// Apply any custom options
+	for key, value := range options {
+		record.Set(key, value)
+	}
+
+	// Save the record to the database
+	err = hub.Save(record)
+	if err != nil {
+		return nil, err
+	}
+
+	return record, nil
+}
+
+func TestSystemManagerIntegration(t *testing.T) {
+	// Create a test hub
+	hub, err := tests.NewTestHub()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer hub.Cleanup()
+
+	// Create independent system manager
+	sm := systems.NewSystemManager(hub)
+	assert.NotNil(t, sm)
+
+	// Test initialization
+	sm.Initialize()
+
+	// Test collection existence. todo: move to hub package tests
+	t.Run("CollectionExistence", func(t *testing.T) {
+		// Verify that required collections exist
+		systems, err := hub.FindCachedCollectionByNameOrId("systems")
+		require.NoError(t, err)
+		assert.NotNil(t, systems)
+
+		systemStats, err := hub.FindCachedCollectionByNameOrId("system_stats")
+		require.NoError(t, err)
+		assert.NotNil(t, systemStats)
+
+		containerStats, err := hub.FindCachedCollectionByNameOrId("container_stats")
+		require.NoError(t, err)
+		assert.NotNil(t, containerStats)
+	})
+
+	// Test adding a system record
+	t.Run("AddRecord", func(t *testing.T) {
+		var wg sync.WaitGroup
+		wg.Add(2)
+
+		// Get the count before adding the system
+		countBefore := sm.GetSystemCount()
+
+		// record should be pending on create
+		hub.OnRecordCreate("systems").BindFunc(func(e *core.RecordEvent) error {
+			record := e.Record
+			if record.GetString("name") == "welcometoarcoampm" {
+				assert.Equal(t, "pending", e.Record.GetString("status"), "System status should be 'pending'")
+				wg.Done()
+			}
+			return e.Next()
+		})
+
+		// record should be down on update
+		hub.OnRecordAfterUpdateSuccess("systems").BindFunc(func(e *core.RecordEvent) error {
+			record := e.Record
+			if record.GetString("name") == "welcometoarcoampm" {
+				assert.Equal(t, "down", e.Record.GetString("status"), "System status should be 'pending'")
+				wg.Done()
+			}
+			return e.Next()
+		})
+		// Create a test system with the first user assigned
+		record, err := createTestSystem(t, hub, map[string]any{
+			"name": "welcometoarcoampm",
+			"host": "localhost",
+			"port": "33914",
+		})
+		require.NoError(t, err)
+
+		wg.Wait()
+
+		// system should be down if grabbed from the store
+		assert.Equal(t, "down", sm.GetSystemStatusFromStore(record.Id), "System status should be 'down'")
+
+		// Check that the system count increased
+		countAfter := sm.GetSystemCount()
+		assert.Equal(t, countBefore+1, countAfter, "System count should increase after adding a system via event hook")
+
+		// Verify the system was added by checking if it exists
+		assert.True(t, sm.HasSystem(record.Id), "System should exist in the store")
+
+		// Verify the system host and port
+		host, port := sm.GetSystemHostPort(record.Id)
+		assert.Equal(t, record.Get("host"), host, "System host should match")
+		assert.Equal(t, record.Get("port"), port, "System port should match")
+
+		// Verify the system is in the list of all system IDs
+		ids := sm.GetAllSystemIDs()
+		assert.Contains(t, ids, record.Id, "System ID should be in the list of all system IDs")
+
+		// Verify the system was added by checking if removing it works
+		err = sm.RemoveSystem(record.Id)
+		assert.NoError(t, err, "System should exist and be removable")
+
+		// Verify the system no longer exists
+		assert.False(t, sm.HasSystem(record.Id), "System should not exist in the store after removal")
+
+		// Verify the system is not in the list of all system IDs
+		newIds := sm.GetAllSystemIDs()
+		assert.NotContains(t, newIds, record.Id, "System ID should not be in the list of all system IDs after removal")
+
+	})
+
+	t.Run("RemoveSystem", func(t *testing.T) {
+		// Get the count before adding the system
+		countBefore := sm.GetSystemCount()
+
+		// Create a test system record
+		record, err := createTestSystem(t, hub, map[string]any{})
+		require.NoError(t, err)
+
+		// Verify the system count increased
+		countAfterAdd := sm.GetSystemCount()
+		assert.Equal(t, countBefore+1, countAfterAdd, "System count should increase after adding a system via event hook")
+
+		// Verify the system exists
+		assert.True(t, sm.HasSystem(record.Id), "System should exist in the store")
+
+		// Remove the system
+		err = sm.RemoveSystem(record.Id)
+		assert.NoError(t, err)
+
+		// Check that the system count decreased
+		countAfterRemove := sm.GetSystemCount()
+		assert.Equal(t, countAfterAdd-1, countAfterRemove, "System count should decrease after removing a system")
+
+		// Verify the system no longer exists
+		assert.False(t, sm.HasSystem(record.Id), "System should not exist in the store after removal")
+
+		// Verify the system is not in the list of all system IDs
+		ids := sm.GetAllSystemIDs()
+		assert.NotContains(t, ids, record.Id, "System ID should not be in the list of all system IDs after removal")
+
+		// Verify the system status is empty
+		status := sm.GetSystemStatusFromStore(record.Id)
+		assert.Equal(t, "", status, "System status should be empty after removal")
+
+		// Try to remove it again - should return an error since it's already removed
+		err = sm.RemoveSystem(record.Id)
+		assert.Error(t, err)
+	})
+
+	t.Run("NewRecordPending", func(t *testing.T) {
+		// Create a test system
+		record, err := createTestSystem(t, hub, map[string]any{})
+		require.NoError(t, err)
+
+		// Add the record to the system manager
+		err = sm.AddRecord(record)
+		require.NoError(t, err)
+
+		// Test filtering records by status - should be "pending" now
+		filter := "status = 'pending'"
+		pendingSystems, err := hub.FindRecordsByFilter("systems", filter, "-created", 0, 0, nil)
+		require.NoError(t, err)
+		assert.GreaterOrEqual(t, len(pendingSystems), 1)
+	})
+
+	t.Run("SystemStatusUpdate", func(t *testing.T) {
+		// Create a test system record
+		record, err := createTestSystem(t, hub, map[string]any{})
+		require.NoError(t, err)
+
+		// Add the record to the system manager
+		err = sm.AddRecord(record)
+		require.NoError(t, err)
+
+		// Test status changes
+		initialStatus := sm.GetSystemStatusFromStore(record.Id)
+
+		// Set a new status
+		sm.SetSystemStatusInDB(record.Id, "up")
+
+		// Verify status was updated
+		newStatus := sm.GetSystemStatusFromStore(record.Id)
+		assert.Equal(t, "up", newStatus, "System status should be updated to 'up'")
+		assert.NotEqual(t, initialStatus, newStatus, "Status should have changed")
+
+		// Verify the database was updated
+		updatedRecord, err := hub.FindRecordById("systems", record.Id)
+		require.NoError(t, err)
+		assert.Equal(t, "up", updatedRecord.Get("status"), "Database status should match")
+	})
+
+	t.Run("HandleSystemData", func(t *testing.T) {
+		// Create a test system record
+		record, err := createTestSystem(t, hub, map[string]any{})
+		require.NoError(t, err)
+
+		// Create test system data
+		testData := &system.CombinedData{
+			Info: system.Info{
+				Hostname:      "data-test.example.com",
+				KernelVersion: "5.15.0-generic",
+				Cores:         4,
+				Threads:       8,
+				CpuModel:      "Test CPU",
+				Uptime:        3600,
+				Cpu:           25.5,
+				MemPct:        40.2,
+				DiskPct:       60.0,
+				Bandwidth:     100.0,
+				AgentVersion:  "1.0.0",
+			},
+			Stats: system.Stats{
+				Cpu:         25.5,
+				Mem:         16384.0,
+				MemUsed:     6553.6,
+				MemPct:      40.0,
+				DiskTotal:   1024000.0,
+				DiskUsed:    614400.0,
+				DiskPct:     60.0,
+				NetworkSent: 1024.0,
+				NetworkRecv: 2048.0,
+			},
+			Containers: []*container.Stats{},
+		}
+
+		// Test handling system data. todo: move to hub/alerts package tests
+		err = hub.HandleSystemAlerts(record, testData)
+		assert.NoError(t, err)
+	})
+
+	t.Run("ErrorHandling", func(t *testing.T) {
+		// Try to add a non-existent record
+		nonExistentId := "non_existent_id"
+		err := sm.RemoveSystem(nonExistentId)
+		assert.Error(t, err)
+
+		// Try to add a system with invalid host
+		system := &systems.System{
+			Host: "",
+		}
+		err = sm.AddSystem(system)
+		assert.Error(t, err)
+	})
+
+	t.Run("DeleteRecord", func(t *testing.T) {
+		var wg sync.WaitGroup
+		wg.Add(2)
+
+		runs := 0
+
+		hub.OnRecordUpdate("systems").BindFunc(func(e *core.RecordEvent) error {
+			runs++
+			record := e.Record
+			if record.GetString("name") == "deadflagblues" {
+				if runs == 1 {
+					assert.Equal(t, "up", e.Record.GetString("status"), "System status should be 'up'")
+					wg.Done()
+				} else if runs == 2 {
+					assert.Equal(t, "paused", e.Record.GetString("status"), "System status should be 'paused'")
+					wg.Done()
+				}
+			}
+			return e.Next()
+		})
+
+		// Create a test system record
+		record, err := createTestSystem(t, hub, map[string]any{
+			"name": "deadflagblues",
+		})
+		require.NoError(t, err)
+
+		// Verify the system exists
+		assert.True(t, sm.HasSystem(record.Id), "System should exist in the store")
+
+		// set the status manually to up
+		sm.SetSystemStatusInDB(record.Id, "up")
+
+		// verify the status is up
+		assert.Equal(t, "up", sm.GetSystemStatusFromStore(record.Id), "System status should be 'up'")
+
+		// Set the status to "paused" which should cause it to be deleted from the store
+		sm.SetSystemStatusInDB(record.Id, "paused")
+
+		wg.Wait()
+
+		// Verify the system no longer exists
+		assert.False(t, sm.HasSystem(record.Id), "System should not exist in the store after deletion")
+	})
+
+	t.Run("ConcurrentOperations", func(t *testing.T) {
+		// Create a test system
+		record, err := createTestSystem(t, hub, map[string]any{})
+		require.NoError(t, err)
+
+		// Run concurrent operations
+		const goroutines = 5
+		var wg sync.WaitGroup
+		wg.Add(goroutines)
+
+		for i := range goroutines {
+			go func(i int) {
+				defer wg.Done()
+
+				// Alternate between different operations
+				switch i % 3 {
+				case 0:
+					status := fmt.Sprintf("status-%d", i)
+					sm.SetSystemStatusInDB(record.Id, status)
+				case 1:
+					_ = sm.GetSystemStatusFromStore(record.Id)
+				case 2:
+					_, _ = sm.GetSystemHostPort(record.Id)
+				}
+			}(i)
+		}
+
+		wg.Wait()
+
+		// Verify system still exists and is in a valid state
+		assert.True(t, sm.HasSystem(record.Id), "System should still exist after concurrent operations")
+		status := sm.GetSystemStatusFromStore(record.Id)
+		assert.NotEmpty(t, status, "System should have a status after concurrent operations")
+	})
+
+	t.Run("ContextCancellation", func(t *testing.T) {
+		// Create a test system record
+		record, err := createTestSystem(t, hub, map[string]any{})
+		require.NoError(t, err)
+
+		// Verify the system exists in the store
+		assert.True(t, sm.HasSystem(record.Id), "System should exist in the store")
+
+		// Store the original context and cancel function
+		originalCtx, originalCancel, err := sm.GetSystemContextFromStore(record.Id)
+		assert.NoError(t, err)
+
+		// Ensure the context is not nil
+		assert.NotNil(t, originalCtx, "System context should not be nil")
+		assert.NotNil(t, originalCancel, "System cancel function should not be nil")
+
+		// Cancel the context
+		originalCancel()
+
+		// Wait a short time for cancellation to propagate
+		time.Sleep(10 * time.Millisecond)
+
+		// Verify the context is done
+		select {
+		case <-originalCtx.Done():
+			// Context was properly cancelled
+		default:
+			t.Fatal("Context was not cancelled")
+		}
+
+		// Verify the system is still in the store (cancellation shouldn't remove it)
+		assert.True(t, sm.HasSystem(record.Id), "System should still exist after context cancellation")
+
+		// Explicitly remove the system
+		err = sm.RemoveSystem(record.Id)
+		assert.NoError(t, err, "RemoveSystem should succeed")
+
+		// Verify the system is removed
+		assert.False(t, sm.HasSystem(record.Id), "System should be removed after RemoveSystem")
+
+		// Try to remove it again - should return an error
+		err = sm.RemoveSystem(record.Id)
+		assert.Error(t, err, "RemoveSystem should fail for non-existent system")
+
+		// Add the system back
+		err = sm.AddRecord(record)
+		require.NoError(t, err, "AddRecord should succeed")
+
+		// Verify the system is back in the store
+		assert.True(t, sm.HasSystem(record.Id), "System should exist after re-adding")
+
+		// Verify a new context was created
+		newCtx, newCancel, err := sm.GetSystemContextFromStore(record.Id)
+		assert.NoError(t, err)
+		assert.NotNil(t, newCtx, "New system context should not be nil")
+		assert.NotNil(t, newCancel, "New system cancel function should not be nil")
+		assert.NotEqual(t, originalCtx, newCtx, "New context should be different from original")
+
+		// Clean up
+		err = sm.RemoveSystem(record.Id)
+		assert.NoError(t, err)
+	})
+}

beszel/internal/hub/systems/systems_test_helpers.go

@@ -0,0 +1,117 @@
+//go:build testing
+// +build testing
+
+package systems
+
+import (
+	entities "beszel/internal/entities/system"
+	"context"
+	"fmt"
+)
+
+// GetSystemCount returns the number of systems in the store
+func (sm *SystemManager) GetSystemCount() int {
+	return sm.systems.Length()
+}
+
+// HasSystem checks if a system with the given ID exists in the store
+func (sm *SystemManager) HasSystem(systemID string) bool {
+	return sm.systems.Has(systemID)
+}
+
+// GetSystemStatusFromStore returns the status of a system with the given ID
+// Returns an empty string if the system doesn't exist
+func (sm *SystemManager) GetSystemStatusFromStore(systemID string) string {
+	sys, ok := sm.systems.GetOk(systemID)
+	if !ok {
+		return ""
+	}
+	return sys.Status
+}
+
+// GetSystemContextFromStore returns the context and cancel function for a system
+func (sm *SystemManager) GetSystemContextFromStore(systemID string) (context.Context, context.CancelFunc, error) {
+	sys, ok := sm.systems.GetOk(systemID)
+	if !ok {
+		return nil, nil, fmt.Errorf("no system")
+	}
+	return sys.ctx, sys.cancel, nil
+}
+
+// GetSystemFromStore returns a store from the system
+func (sm *SystemManager) GetSystemFromStore(systemID string) (*System, error) {
+	sys, ok := sm.systems.GetOk(systemID)
+	if !ok {
+		return nil, fmt.Errorf("no system")
+	}
+	return sys, nil
+}
+
+// GetAllSystemIDs returns a slice of all system IDs in the store
+func (sm *SystemManager) GetAllSystemIDs() []string {
+	data := sm.systems.GetAll()
+	ids := make([]string, 0, len(data))
+	for id := range data {
+		ids = append(ids, id)
+	}
+	return ids
+}
+
+// GetSystemData returns the combined data for a system with the given ID
+// Returns nil if the system doesn't exist
+// This method is intended for testing
+func (sm *SystemManager) GetSystemData(systemID string) *entities.CombinedData {
+	sys, ok := sm.systems.GetOk(systemID)
+	if !ok {
+		return nil
+	}
+	return sys.data
+}
+
+// GetSystemHostPort returns the host and port for a system with the given ID
+// Returns empty strings if the system doesn't exist
+func (sm *SystemManager) GetSystemHostPort(systemID string) (string, string) {
+	sys, ok := sm.systems.GetOk(systemID)
+	if !ok {
+		return "", ""
+	}
+	return sys.Host, sys.Port
+}
+
+// DisableAutoUpdater disables the automatic updater for a system
+// This is intended for testing
+// Returns false if the system doesn't exist
+// func (sm *SystemManager) DisableAutoUpdater(systemID string) bool {
+// 	sys, ok := sm.systems.GetOk(systemID)
+// 	if !ok {
+// 		return false
+// 	}
+// 	if sys.cancel != nil {
+// 		sys.cancel()
+// 		sys.cancel = nil
+// 	}
+// 	return true
+// }
+
+// SetSystemStatusInDB sets the status of a system directly and updates the database record
+// This is intended for testing
+// Returns false if the system doesn't exist
+func (sm *SystemManager) SetSystemStatusInDB(systemID string, status string) bool {
+	if !sm.HasSystem(systemID) {
+		return false
+	}
+
+	// Update the database record
+	record, err := sm.hub.FindRecordById("systems", systemID)
+	if err != nil {
+		return false
+	}
+
+	record.Set("status", status)
+	err = sm.hub.Save(record)
+	if err != nil {
+		return false
+	}
+
+	return true
+}

beszel/internal/hub/update.go

@@ -1,6 +1,7 @@
-package main
+package hub
 
 import (
+	"beszel"
 	"fmt"
 	"os"
 	"strings"
@@ -10,11 +11,12 @@ import (
 	"github.com/spf13/cobra"
 )
 
-func updateBeszel(cmd *cobra.Command, args []string) {
+// Update updates beszel to the latest version
+func Update(_ *cobra.Command, _ []string) {
 	var latest *selfupdate.Release
 	var found bool
 	var err error
-	currentVersion := semver.MustParse(Version)
+	currentVersion := semver.MustParse(beszel.Version)
 	fmt.Println("beszel", currentVersion)
 	fmt.Println("Checking for updates...")
 	updater, _ := selfupdate.NewUpdater(selfupdate.Config{

beszel/internal/records/records.go

@@ -0,0 +1,379 @@
+// Package records handles creating longer records and deleting old records.
+package records
+
+import (
+	"beszel/internal/entities/container"
+	"beszel/internal/entities/system"
+	"fmt"
+	"log"
+	"math"
+	"strings"
+	"time"
+
+	"github.com/goccy/go-json"
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/core"
+)
+
+type RecordManager struct {
+	app core.App
+}
+
+type LongerRecordData struct {
+	shorterType        string
+	longerType         string
+	longerTimeDuration time.Duration
+	minShorterRecords  int
+}
+
+type RecordStats []struct {
+	Stats []byte `db:"stats"`
+}
+
+func NewRecordManager(app core.App) *RecordManager {
+	return &RecordManager{app}
+}
+
+// Create longer records by averaging shorter records
+func (rm *RecordManager) CreateLongerRecords() {
+	// start := time.Now()
+	longerRecordData := []LongerRecordData{
+		{
+			shorterType: "1m",
+			// change to 9 from 10 to allow edge case timing or short pauses
+			minShorterRecords:  9,
+			longerType:         "10m",
+			longerTimeDuration: -10 * time.Minute,
+		},
+		{
+			shorterType:        "10m",
+			minShorterRecords:  2,
+			longerType:         "20m",
+			longerTimeDuration: -20 * time.Minute,
+		},
+		{
+			shorterType:        "20m",
+			minShorterRecords:  6,
+			longerType:         "120m",
+			longerTimeDuration: -120 * time.Minute,
+		},
+		{
+			shorterType:        "120m",
+			minShorterRecords:  4,
+			longerType:         "480m",
+			longerTimeDuration: -480 * time.Minute,
+		},
+	}
+	// wrap the operations in a transaction
+	rm.app.RunInTransaction(func(txApp core.App) error {
+		var err error
+		collections := [2]*core.Collection{}
+		collections[0], err = txApp.FindCachedCollectionByNameOrId("system_stats")
+		if err != nil {
+			return err
+		}
+		collections[1], err = txApp.FindCachedCollectionByNameOrId("container_stats")
+		if err != nil {
+			return err
+		}
+		var systems []struct {
+			Id string `db:"id"`
+		}
+
+		txApp.DB().NewQuery("SELECT id FROM systems WHERE status='up'").All(&systems)
+
+		// loop through all active systems, time periods, and collections
+		for _, system := range systems {
+			// log.Println("processing system", system.GetString("name"))
+			for i := range longerRecordData {
+				recordData := longerRecordData[i]
+				// log.Println("processing longer record type", recordData.longerType)
+				// add one minute padding for longer records because they are created slightly later than the job start time
+				longerRecordPeriod := time.Now().UTC().Add(recordData.longerTimeDuration + time.Minute)
+				// shorter records are created independently of longer records, so we shouldn't need to add padding
+				shorterRecordPeriod := time.Now().UTC().Add(recordData.longerTimeDuration)
+				// loop through both collections
+				for _, collection := range collections {
+					// check creation time of last longer record if not 10m, since 10m is created every run
+					if recordData.longerType != "10m" {
+						lastLongerRecord, err := txApp.FindFirstRecordByFilter(
+							collection.Id,
+							"system = {:system} && type = {:type} && created > {:created}",
+							dbx.Params{"type": recordData.longerType, "system": system.Id, "created": longerRecordPeriod},
+						)
+						// continue if longer record exists
+						if err == nil || lastLongerRecord != nil {
+							// log.Println("longer record found. continuing")
+							continue
+						}
+					}
+					// get shorter records from the past x minutes
+					var stats RecordStats
+
+					err := txApp.DB().
+						Select("stats").
+						From(collection.Name).
+						AndWhere(dbx.NewExp(
+							"system={:system} AND type={:type} AND created > {:created}",
+							dbx.Params{
+								"type":    recordData.shorterType,
+								"system":  system.Id,
+								"created": shorterRecordPeriod,
+							},
+						)).
+						All(&stats)
+
+					// continue if not enough shorter records
+					if err != nil || len(stats) < recordData.minShorterRecords {
+						continue
+					}
+					// average the shorter records and create longer record
+					longerRecord := core.NewRecord(collection)
+					longerRecord.Set("system", system.Id)
+					longerRecord.Set("type", recordData.longerType)
+					switch collection.Name {
+					case "system_stats":
+						longerRecord.Set("stats", rm.AverageSystemStats(stats))
+					case "container_stats":
+						longerRecord.Set("stats", rm.AverageContainerStats(stats))
+					}
+					if err := txApp.SaveNoValidate(longerRecord); err != nil {
+						log.Println("failed to save longer record", "err", err)
+					}
+				}
+			}
+		}
+
+		return nil
+	})
+
+	// log.Println("finished creating longer records", "time (ms)", time.Since(start).Milliseconds())
+}
+
+// Calculate the average stats of a list of system_stats records without reflect
+func (rm *RecordManager) AverageSystemStats(records RecordStats) *system.Stats {
+	sum := &system.Stats{}
+	count := float64(len(records))
+	tempCount := float64(0)
+
+	// Temporary struct for unmarshaling
+	stats := &system.Stats{}
+
+	// Accumulate totals
+	for i := range records {
+		*stats = system.Stats{} // Reset tempStats for unmarshaling
+		if err := json.Unmarshal(records[i].Stats, stats); err != nil {
+			continue
+		}
+		sum.Cpu += stats.Cpu
+		sum.Mem += stats.Mem
+		sum.MemUsed += stats.MemUsed
+		sum.MemPct += stats.MemPct
+		sum.MemBuffCache += stats.MemBuffCache
+		sum.MemZfsArc += stats.MemZfsArc
+		sum.Swap += stats.Swap
+		sum.SwapUsed += stats.SwapUsed
+		sum.DiskTotal += stats.DiskTotal
+		sum.DiskUsed += stats.DiskUsed
+		sum.DiskPct += stats.DiskPct
+		sum.DiskReadPs += stats.DiskReadPs
+		sum.DiskWritePs += stats.DiskWritePs
+		sum.NetworkSent += stats.NetworkSent
+		sum.NetworkRecv += stats.NetworkRecv
+		// Set peak values
+		sum.MaxCpu = max(sum.MaxCpu, stats.MaxCpu, stats.Cpu)
+		sum.MaxNetworkSent = max(sum.MaxNetworkSent, stats.MaxNetworkSent, stats.NetworkSent)
+		sum.MaxNetworkRecv = max(sum.MaxNetworkRecv, stats.MaxNetworkRecv, stats.NetworkRecv)
+		sum.MaxDiskReadPs = max(sum.MaxDiskReadPs, stats.MaxDiskReadPs, stats.DiskReadPs)
+		sum.MaxDiskWritePs = max(sum.MaxDiskWritePs, stats.MaxDiskWritePs, stats.DiskWritePs)
+
+		// Accumulate temperatures
+		if stats.Temperatures != nil {
+			if sum.Temperatures == nil {
+				sum.Temperatures = make(map[string]float64, len(stats.Temperatures))
+			}
+			tempCount++
+			for key, value := range stats.Temperatures {
+				sum.Temperatures[key] += value
+			}
+		}
+
+		// Accumulate extra filesystem stats
+		if stats.ExtraFs != nil {
+			if sum.ExtraFs == nil {
+				sum.ExtraFs = make(map[string]*system.FsStats, len(stats.ExtraFs))
+			}
+			for key, value := range stats.ExtraFs {
+				if _, ok := sum.ExtraFs[key]; !ok {
+					sum.ExtraFs[key] = &system.FsStats{}
+				}
+				fs := sum.ExtraFs[key]
+				fs.DiskTotal += value.DiskTotal
+				fs.DiskUsed += value.DiskUsed
+				fs.DiskWritePs += value.DiskWritePs
+				fs.DiskReadPs += value.DiskReadPs
+				fs.MaxDiskReadPS = max(fs.MaxDiskReadPS, value.MaxDiskReadPS, value.DiskReadPs)
+				fs.MaxDiskWritePS = max(fs.MaxDiskWritePS, value.MaxDiskWritePS, value.DiskWritePs)
+			}
+		}
+
+		// Accumulate GPU data
+		if stats.GPUData != nil {
+			if sum.GPUData == nil {
+				sum.GPUData = make(map[string]system.GPUData, len(stats.GPUData))
+			}
+			for id, value := range stats.GPUData {
+				gpu, ok := sum.GPUData[id]
+				if !ok {
+					gpu = system.GPUData{Name: value.Name}
+				}
+				gpu.Temperature += value.Temperature
+				gpu.MemoryUsed += value.MemoryUsed
+				gpu.MemoryTotal += value.MemoryTotal
+				gpu.Usage += value.Usage
+				gpu.Power += value.Power
+				gpu.Count += value.Count
+				sum.GPUData[id] = gpu
+			}
+		}
+	}
+
+	// Compute averages in place
+	if count > 0 {
+		sum.Cpu = twoDecimals(sum.Cpu / count)
+		sum.Mem = twoDecimals(sum.Mem / count)
+		sum.MemUsed = twoDecimals(sum.MemUsed / count)
+		sum.MemPct = twoDecimals(sum.MemPct / count)
+		sum.MemBuffCache = twoDecimals(sum.MemBuffCache / count)
+		sum.MemZfsArc = twoDecimals(sum.MemZfsArc / count)
+		sum.Swap = twoDecimals(sum.Swap / count)
+		sum.SwapUsed = twoDecimals(sum.SwapUsed / count)
+		sum.DiskTotal = twoDecimals(sum.DiskTotal / count)
+		sum.DiskUsed = twoDecimals(sum.DiskUsed / count)
+		sum.DiskPct = twoDecimals(sum.DiskPct / count)
+		sum.DiskReadPs = twoDecimals(sum.DiskReadPs / count)
+		sum.DiskWritePs = twoDecimals(sum.DiskWritePs / count)
+		sum.NetworkSent = twoDecimals(sum.NetworkSent / count)
+		sum.NetworkRecv = twoDecimals(sum.NetworkRecv / count)
+
+		// Average temperatures
+		if sum.Temperatures != nil && tempCount > 0 {
+			for key := range sum.Temperatures {
+				sum.Temperatures[key] = twoDecimals(sum.Temperatures[key] / tempCount)
+			}
+		}
+
+		// Average extra filesystem stats
+		if sum.ExtraFs != nil {
+			for key := range sum.ExtraFs {
+				fs := sum.ExtraFs[key]
+				fs.DiskTotal = twoDecimals(fs.DiskTotal / count)
+				fs.DiskUsed = twoDecimals(fs.DiskUsed / count)
+				fs.DiskWritePs = twoDecimals(fs.DiskWritePs / count)
+				fs.DiskReadPs = twoDecimals(fs.DiskReadPs / count)
+			}
+		}
+
+		// Average GPU data
+		if sum.GPUData != nil {
+			for id := range sum.GPUData {
+				gpu := sum.GPUData[id]
+				gpu.Temperature = twoDecimals(gpu.Temperature / count)
+				gpu.MemoryUsed = twoDecimals(gpu.MemoryUsed / count)
+				gpu.MemoryTotal = twoDecimals(gpu.MemoryTotal / count)
+				gpu.Usage = twoDecimals(gpu.Usage / count)
+				gpu.Power = twoDecimals(gpu.Power / count)
+				gpu.Count = twoDecimals(gpu.Count / count)
+				sum.GPUData[id] = gpu
+			}
+		}
+	}
+
+	return sum
+}
+
+// Calculate the average stats of a list of container_stats records
+func (rm *RecordManager) AverageContainerStats(records RecordStats) []container.Stats {
+	sums := make(map[string]*container.Stats)
+	count := float64(len(records))
+	containerStats := make([]container.Stats, 0, 50)
+	for i := range records {
+		// reset slice
+		containerStats = containerStats[:0]
+		if err := json.Unmarshal(records[i].Stats, &containerStats); err != nil {
+			return []container.Stats{}
+		}
+		for i := range containerStats {
+			stat := containerStats[i]
+			if _, ok := sums[stat.Name]; !ok {
+				sums[stat.Name] = &container.Stats{Name: stat.Name}
+			}
+			sums[stat.Name].Cpu += stat.Cpu
+			sums[stat.Name].Mem += stat.Mem
+			sums[stat.Name].NetworkSent += stat.NetworkSent
+			sums[stat.Name].NetworkRecv += stat.NetworkRecv
+		}
+	}
+
+	result := make([]container.Stats, 0, len(sums))
+	for _, value := range sums {
+		result = append(result, container.Stats{
+			Name:        value.Name,
+			Cpu:         twoDecimals(value.Cpu / count),
+			Mem:         twoDecimals(value.Mem / count),
+			NetworkSent: twoDecimals(value.NetworkSent / count),
+			NetworkRecv: twoDecimals(value.NetworkRecv / count),
+		})
+	}
+	return result
+}
+
+// Deletes records older than what is displayed in the UI
+func (rm *RecordManager) DeleteOldRecords() {
+	// Define the collections to process
+	collections := []string{"system_stats", "container_stats"}
+
+	// Define record types and their retention periods
+	type RecordDeletionData struct {
+		recordType string
+		retention  time.Duration
+	}
+	recordData := []RecordDeletionData{
+		{recordType: "1m", retention: time.Hour},             // 1 hour
+		{recordType: "10m", retention: 12 * time.Hour},       // 12 hours
+		{recordType: "20m", retention: 24 * time.Hour},       // 1 day
+		{recordType: "120m", retention: 7 * 24 * time.Hour},  // 7 days
+		{recordType: "480m", retention: 30 * 24 * time.Hour}, // 30 days
+	}
+
+	// Process each collection
+	for _, collection := range collections {
+		// Build the WHERE clause dynamically
+		var conditionParts []string
+		var params dbx.Params = make(map[string]any)
+
+		for i, rd := range recordData {
+			// Create parameterized condition for this record type
+			dateParam := fmt.Sprintf("date%d", i)
+			conditionParts = append(conditionParts, fmt.Sprintf("(type = '%s' AND created < {:%s})", rd.recordType, dateParam))
+			params[dateParam] = time.Now().UTC().Add(-rd.retention)
+		}
+
+		// Combine conditions with OR
+		conditionStr := strings.Join(conditionParts, " OR ")
+
+		// Construct the full raw query
+		rawQuery := fmt.Sprintf("DELETE FROM %s WHERE %s", collection, conditionStr)
+
+		// Execute the query with parameters
+		if _, err := rm.app.DB().NewQuery(rawQuery).Bind(params).Execute(); err != nil {
+			// return fmt.Errorf("failed to delete from %s: %v", collection, err)
+			rm.app.Logger().Error("failed to delete", "collection", collection, "error", err)
+		}
+	}
+}
+
+/* Round float to two decimals */
+func twoDecimals(value float64) float64 {
+	return math.Round(value*100) / 100
+}

beszel/internal/tests/hub.go

@@ -0,0 +1,58 @@
+// Package tests provides helpers for testing the application.
+package tests
+
+import (
+	"beszel/internal/hub"
+
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/pocketbase/pocketbase/tests"
+
+	_ "github.com/pocketbase/pocketbase/migrations"
+)
+
+// TestHub is a wrapper hub instance used for testing.
+type TestHub struct {
+	core.App
+	*tests.TestApp
+	*hub.Hub
+}
+
+// NewTestHub creates and initializes a test application instance.
+//
+// It is the caller's responsibility to call app.Cleanup() when the app is no longer needed.
+func NewTestHub(optTestDataDir ...string) (*TestHub, error) {
+	var testDataDir string
+	if len(optTestDataDir) > 0 {
+		testDataDir = optTestDataDir[0]
+	}
+
+	return NewTestHubWithConfig(core.BaseAppConfig{
+		DataDir:       testDataDir,
+		EncryptionEnv: "pb_test_env",
+	})
+}
+
+// NewTestHubWithConfig creates and initializes a test application instance
+// from the provided config.
+//
+// If config.DataDir is not set it fallbacks to the default internal test data directory.
+//
+// config.DataDir is cloned for each new test application instance.
+//
+// It is the caller's responsibility to call app.Cleanup() when the app is no longer needed.
+func NewTestHubWithConfig(config core.BaseAppConfig) (*TestHub, error) {
+	testApp, err := tests.NewTestAppWithConfig(config)
+	if err != nil {
+		return nil, err
+	}
+
+	hub := hub.NewHub(testApp)
+
+	t := &TestHub{
+		App:     testApp,
+		TestApp: testApp,
+		Hub:     hub,
+	}
+
+	return t, nil
+}

beszel/internal/users/users.go

@@ -0,0 +1,115 @@
+// Package users handles user-related custom functionality.
+package users
+
+import (
+	"beszel/migrations"
+	"log"
+	"net/http"
+
+	"github.com/pocketbase/pocketbase/core"
+)
+
+type UserManager struct {
+	app core.App
+}
+
+type UserSettings struct {
+	ChartTime            string   `json:"chartTime"`
+	NotificationEmails   []string `json:"emails"`
+	NotificationWebhooks []string `json:"webhooks"`
+	// Language             string   `json:"lang"`
+}
+
+func NewUserManager(app core.App) *UserManager {
+	return &UserManager{
+		app: app,
+	}
+}
+
+// Initialize user role if not set
+func (um *UserManager) InitializeUserRole(e *core.RecordEvent) error {
+	if e.Record.GetString("role") == "" {
+		e.Record.Set("role", "user")
+	}
+	return e.Next()
+}
+
+// Initialize user settings with defaults if not set
+func (um *UserManager) InitializeUserSettings(e *core.RecordEvent) error {
+	record := e.Record
+	// intialize settings with defaults
+	settings := UserSettings{
+		// Language:             "en",
+		ChartTime:            "1h",
+		NotificationEmails:   []string{},
+		NotificationWebhooks: []string{},
+	}
+	record.UnmarshalJSONField("settings", &settings)
+	if len(settings.NotificationEmails) == 0 {
+		// get user email from auth record
+		if errs := um.app.ExpandRecord(record, []string{"user"}, nil); len(errs) == 0 {
+			// app.Logger().Error("failed to expand user relation", "errs", errs)
+			if user := record.ExpandedOne("user"); user != nil {
+				settings.NotificationEmails = []string{user.GetString("email")}
+			} else {
+				log.Println("Failed to get user email from auth record")
+			}
+		} else {
+			log.Println("failed to expand user relation", "errs", errs)
+		}
+	}
+	// if len(settings.NotificationWebhooks) == 0 {
+	// 	settings.NotificationWebhooks = []string{""}
+	// }
+	record.Set("settings", settings)
+	return e.Next()
+}
+
+// Custom API endpoint to create the first user.
+// Mimics previous default behavior in PocketBase < 0.23.0 allowing user to be created through the Beszel UI.
+func (um *UserManager) CreateFirstUser(e *core.RequestEvent) error {
+	// check that there are no users
+	totalUsers, err := um.app.CountRecords("users")
+	if err != nil || totalUsers > 0 {
+		return e.JSON(http.StatusForbidden, map[string]string{"err": "Forbidden"})
+	}
+	// check that there is only one superuser and the email matches the email of the superuser we set up in initial-settings.go
+	adminUsers, err := um.app.FindAllRecords(core.CollectionNameSuperusers)
+	if err != nil || len(adminUsers) != 1 || adminUsers[0].GetString("email") != migrations.TempAdminEmail {
+		return e.JSON(http.StatusForbidden, map[string]string{"err": "Forbidden"})
+	}
+	// create first user using supplied email and password in request body
+	data := struct {
+		Email    string `json:"email"`
+		Password string `json:"password"`
+	}{}
+	if err := e.BindBody(&data); err != nil {
+		return e.JSON(http.StatusBadRequest, map[string]string{"err": err.Error()})
+	}
+	if data.Email == "" || data.Password == "" {
+		return e.JSON(http.StatusBadRequest, map[string]string{"err": "Bad request"})
+	}
+
+	collection, _ := um.app.FindCollectionByNameOrId("users")
+	user := core.NewRecord(collection)
+	user.SetEmail(data.Email)
+	user.SetPassword(data.Password)
+	user.Set("role", "admin")
+	user.Set("verified", true)
+	if err := um.app.Save(user); err != nil {
+		return e.JSON(http.StatusInternalServerError, map[string]string{"err": err.Error()})
+	}
+	// create superuser using the email of the first user
+	collection, _ = um.app.FindCollectionByNameOrId(core.CollectionNameSuperusers)
+	adminUser := core.NewRecord(collection)
+	adminUser.SetEmail(data.Email)
+	adminUser.SetPassword(data.Password)
+	if err := um.app.Save(adminUser); err != nil {
+		return e.JSON(http.StatusInternalServerError, map[string]string{"err": err.Error()})
+	}
+	// delete the intial superuser
+	if err := um.app.Delete(adminUsers[0]); err != nil {
+		return e.JSON(http.StatusInternalServerError, map[string]string{"err": err.Error()})
+	}
+	return e.JSON(http.StatusOK, map[string]string{"msg": "User created"})
+}

beszel/migrations/collections_snapshot_0_10_2.go

@@ -0,0 +1,676 @@
+package migrations
+
+import (
+	"github.com/pocketbase/pocketbase/core"
+	m "github.com/pocketbase/pocketbase/migrations"
+)
+
+func init() {
+	m.Register(func(app core.App) error {
+		// delete duplicate alerts
+		app.DB().NewQuery(`
+		DELETE FROM alerts
+		WHERE rowid NOT IN (
+				SELECT MAX(rowid)
+				FROM alerts
+				GROUP BY user, system, name
+		);
+	`).Execute()
+
+		// import collections
+		jsonData := `[
+	{
+		"id": "elngm8x1l60zi2v",
+		"listRule": "@request.auth.id != \"\" && user.id = @request.auth.id",
+		"viewRule": "",
+		"createRule": "@request.auth.id != \"\" && user.id = @request.auth.id",
+		"updateRule": "@request.auth.id != \"\" && user.id = @request.auth.id",
+		"deleteRule": "@request.auth.id != \"\" && user.id = @request.auth.id",
+		"name": "alerts",
+		"type": "base",
+		"fields": [
+			{
+				"autogeneratePattern": "[a-z0-9]{15}",
+				"hidden": false,
+				"id": "text3208210256",
+				"max": 15,
+				"min": 15,
+				"name": "id",
+				"pattern": "^[a-z0-9]+$",
+				"presentable": false,
+				"primaryKey": true,
+				"required": true,
+				"system": true,
+				"type": "text"
+			},
+			{
+				"cascadeDelete": true,
+				"collectionId": "_pb_users_auth_",
+				"hidden": false,
+				"id": "hn5ly3vi",
+				"maxSelect": 1,
+				"minSelect": 0,
+				"name": "user",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "relation"
+			},
+			{
+				"cascadeDelete": true,
+				"collectionId": "2hz5ncl8tizk5nx",
+				"hidden": false,
+				"id": "g5sl3jdg",
+				"maxSelect": 1,
+				"minSelect": 0,
+				"name": "system",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "relation"
+			},
+			{
+				"hidden": false,
+				"id": "zj3ingrv",
+				"maxSelect": 1,
+				"name": "name",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "select",
+				"values": [
+					"Status",
+					"CPU",
+					"Memory",
+					"Disk",
+					"Temperature",
+					"Bandwidth"
+				]
+			},
+			{
+				"hidden": false,
+				"id": "o2ablxvn",
+				"max": null,
+				"min": null,
+				"name": "value",
+				"onlyInt": false,
+				"presentable": false,
+				"required": false,
+				"system": false,
+				"type": "number"
+			},
+			{
+				"hidden": false,
+				"id": "fstdehcq",
+				"max": 60,
+				"min": null,
+				"name": "min",
+				"onlyInt": true,
+				"presentable": false,
+				"required": false,
+				"system": false,
+				"type": "number"
+			},
+			{
+				"hidden": false,
+				"id": "6hgdf6hs",
+				"name": "triggered",
+				"presentable": false,
+				"required": false,
+				"system": false,
+				"type": "bool"
+			},
+			{
+				"hidden": false,
+				"id": "autodate2990389176",
+				"name": "created",
+				"onCreate": true,
+				"onUpdate": false,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			},
+			{
+				"hidden": false,
+				"id": "autodate3332085495",
+				"name": "updated",
+				"onCreate": true,
+				"onUpdate": true,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			}
+		],
+		"indexes": [
+			"CREATE UNIQUE INDEX ` + "`" + `idx_MnhEt21L5r` + "`" + ` ON ` + "`" + `alerts` + "`" + ` (\n  ` + "`" + `user` + "`" + `,\n  ` + "`" + `system` + "`" + `,\n  ` + "`" + `name` + "`" + `\n)"
+		],
+		"system": false
+	},
+	{
+		"id": "juohu4jipgc13v7",
+		"listRule": "@request.auth.id != \"\"",
+		"viewRule": null,
+		"createRule": null,
+		"updateRule": null,
+		"deleteRule": null,
+		"name": "container_stats",
+		"type": "base",
+		"fields": [
+			{
+				"autogeneratePattern": "[a-z0-9]{15}",
+				"hidden": false,
+				"id": "text3208210256",
+				"max": 15,
+				"min": 15,
+				"name": "id",
+				"pattern": "^[a-z0-9]+$",
+				"presentable": false,
+				"primaryKey": true,
+				"required": true,
+				"system": true,
+				"type": "text"
+			},
+			{
+				"cascadeDelete": true,
+				"collectionId": "2hz5ncl8tizk5nx",
+				"hidden": false,
+				"id": "hutcu6ps",
+				"maxSelect": 1,
+				"minSelect": 0,
+				"name": "system",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "relation"
+			},
+			{
+				"hidden": false,
+				"id": "r39hhnil",
+				"maxSize": 2000000,
+				"name": "stats",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "json"
+			},
+			{
+				"hidden": false,
+				"id": "vo7iuj96",
+				"maxSelect": 1,
+				"name": "type",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "select",
+				"values": [
+					"1m",
+					"10m",
+					"20m",
+					"120m",
+					"480m"
+				]
+			},
+			{
+				"hidden": false,
+				"id": "autodate2990389176",
+				"name": "created",
+				"onCreate": true,
+				"onUpdate": false,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			},
+			{
+				"hidden": false,
+				"id": "autodate3332085495",
+				"name": "updated",
+				"onCreate": true,
+				"onUpdate": true,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			}
+		],
+		"indexes": [
+			"CREATE INDEX ` + "`" + `idx_d87OiXGZD8` + "`" + ` ON ` + "`" + `container_stats` + "`" + ` (\n  ` + "`" + `system` + "`" + `,\n  ` + "`" + `type` + "`" + `,\n  ` + "`" + `created` + "`" + `\n)"
+		],
+		"system": false
+	},
+	{
+		"id": "ej9oowivz8b2mht",
+		"listRule": "@request.auth.id != \"\"",
+		"viewRule": null,
+		"createRule": null,
+		"updateRule": null,
+		"deleteRule": null,
+		"name": "system_stats",
+		"type": "base",
+		"fields": [
+			{
+				"autogeneratePattern": "[a-z0-9]{15}",
+				"hidden": false,
+				"id": "text3208210256",
+				"max": 15,
+				"min": 15,
+				"name": "id",
+				"pattern": "^[a-z0-9]+$",
+				"presentable": false,
+				"primaryKey": true,
+				"required": true,
+				"system": true,
+				"type": "text"
+			},
+			{
+				"cascadeDelete": true,
+				"collectionId": "2hz5ncl8tizk5nx",
+				"hidden": false,
+				"id": "h9sg148r",
+				"maxSelect": 1,
+				"minSelect": 0,
+				"name": "system",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "relation"
+			},
+			{
+				"hidden": false,
+				"id": "azftn0be",
+				"maxSize": 2000000,
+				"name": "stats",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "json"
+			},
+			{
+				"hidden": false,
+				"id": "m1ekhli3",
+				"maxSelect": 1,
+				"name": "type",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "select",
+				"values": [
+					"1m",
+					"10m",
+					"20m",
+					"120m",
+					"480m"
+				]
+			},
+			{
+				"hidden": false,
+				"id": "autodate2990389176",
+				"name": "created",
+				"onCreate": true,
+				"onUpdate": false,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			},
+			{
+				"hidden": false,
+				"id": "autodate3332085495",
+				"name": "updated",
+				"onCreate": true,
+				"onUpdate": true,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			}
+		],
+		"indexes": [
+			"CREATE INDEX ` + "`" + `idx_GxIee0j` + "`" + ` ON ` + "`" + `system_stats` + "`" + ` (\n  ` + "`" + `system` + "`" + `,\n  ` + "`" + `type` + "`" + `,\n  ` + "`" + `created` + "`" + `\n)"
+		],
+		"system": false
+	},
+	{
+		"id": "4afacsdnlu8q8r2",
+		"listRule": "@request.auth.id != \"\" && user.id = @request.auth.id",
+		"viewRule": null,
+		"createRule": "@request.auth.id != \"\" && user.id = @request.auth.id",
+		"updateRule": "@request.auth.id != \"\" && user.id = @request.auth.id",
+		"deleteRule": null,
+		"name": "user_settings",
+		"type": "base",
+		"fields": [
+			{
+				"autogeneratePattern": "[a-z0-9]{15}",
+				"hidden": false,
+				"id": "text3208210256",
+				"max": 15,
+				"min": 15,
+				"name": "id",
+				"pattern": "^[a-z0-9]+$",
+				"presentable": false,
+				"primaryKey": true,
+				"required": true,
+				"system": true,
+				"type": "text"
+			},
+			{
+				"cascadeDelete": true,
+				"collectionId": "_pb_users_auth_",
+				"hidden": false,
+				"id": "d5vztyxa",
+				"maxSelect": 1,
+				"minSelect": 0,
+				"name": "user",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "relation"
+			},
+			{
+				"hidden": false,
+				"id": "xcx4qgqq",
+				"maxSize": 2000000,
+				"name": "settings",
+				"presentable": false,
+				"required": false,
+				"system": false,
+				"type": "json"
+			},
+			{
+				"hidden": false,
+				"id": "autodate2990389176",
+				"name": "created",
+				"onCreate": true,
+				"onUpdate": false,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			},
+			{
+				"hidden": false,
+				"id": "autodate3332085495",
+				"name": "updated",
+				"onCreate": true,
+				"onUpdate": true,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			}
+		],
+		"indexes": [
+			"CREATE UNIQUE INDEX ` + "`" + `idx_30Lwgf2` + "`" + ` ON ` + "`" + `user_settings` + "`" + ` (` + "`" + `user` + "`" + `)"
+		],
+		"system": false
+	},
+	{
+		"id": "2hz5ncl8tizk5nx",
+		"listRule": "@request.auth.id != \"\" && users.id ?= @request.auth.id",
+		"viewRule": "@request.auth.id != \"\" && users.id ?= @request.auth.id",
+		"createRule": "@request.auth.id != \"\" && users.id ?= @request.auth.id && @request.auth.role != \"readonly\"",
+		"updateRule": "@request.auth.id != \"\" && users.id ?= @request.auth.id && @request.auth.role != \"readonly\"",
+		"deleteRule": "@request.auth.id != \"\" && users.id ?= @request.auth.id && @request.auth.role != \"readonly\"",
+		"name": "systems",
+		"type": "base",
+		"fields": [
+			{
+				"autogeneratePattern": "[a-z0-9]{15}",
+				"hidden": false,
+				"id": "text3208210256",
+				"max": 15,
+				"min": 15,
+				"name": "id",
+				"pattern": "^[a-z0-9]+$",
+				"presentable": false,
+				"primaryKey": true,
+				"required": true,
+				"system": true,
+				"type": "text"
+			},
+			{
+				"autogeneratePattern": "",
+				"hidden": false,
+				"id": "7xloxkwk",
+				"max": 0,
+				"min": 0,
+				"name": "name",
+				"pattern": "",
+				"presentable": false,
+				"primaryKey": false,
+				"required": true,
+				"system": false,
+				"type": "text"
+			},
+			{
+				"hidden": false,
+				"id": "waj7seaf",
+				"maxSelect": 1,
+				"name": "status",
+				"presentable": false,
+				"required": false,
+				"system": false,
+				"type": "select",
+				"values": [
+					"up",
+					"down",
+					"paused",
+					"pending"
+				]
+			},
+			{
+				"autogeneratePattern": "",
+				"hidden": false,
+				"id": "ve781smf",
+				"max": 0,
+				"min": 0,
+				"name": "host",
+				"pattern": "",
+				"presentable": false,
+				"primaryKey": false,
+				"required": true,
+				"system": false,
+				"type": "text"
+			},
+			{
+				"autogeneratePattern": "",
+				"hidden": false,
+				"id": "pij0k2jk",
+				"max": 0,
+				"min": 0,
+				"name": "port",
+				"pattern": "",
+				"presentable": false,
+				"primaryKey": false,
+				"required": false,
+				"system": false,
+				"type": "text"
+			},
+			{
+				"hidden": false,
+				"id": "qoq64ntl",
+				"maxSize": 2000000,
+				"name": "info",
+				"presentable": false,
+				"required": false,
+				"system": false,
+				"type": "json"
+			},
+			{
+				"cascadeDelete": true,
+				"collectionId": "_pb_users_auth_",
+				"hidden": false,
+				"id": "jcarjnjj",
+				"maxSelect": 2147483647,
+				"minSelect": 0,
+				"name": "users",
+				"presentable": false,
+				"required": true,
+				"system": false,
+				"type": "relation"
+			},
+			{
+				"hidden": false,
+				"id": "autodate2990389176",
+				"name": "created",
+				"onCreate": true,
+				"onUpdate": false,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			},
+			{
+				"hidden": false,
+				"id": "autodate3332085495",
+				"name": "updated",
+				"onCreate": true,
+				"onUpdate": true,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			}
+		],
+		"indexes": [],
+		"system": false
+	},
+	{
+		"id": "_pb_users_auth_",
+		"listRule": "id = @request.auth.id",
+		"viewRule": "id = @request.auth.id",
+		"createRule": null,
+		"updateRule": null,
+		"deleteRule": null,
+		"name": "users",
+		"type": "auth",
+		"fields": [
+			{
+				"autogeneratePattern": "[a-z0-9]{15}",
+				"hidden": false,
+				"id": "text3208210256",
+				"max": 15,
+				"min": 15,
+				"name": "id",
+				"pattern": "^[a-z0-9]+$",
+				"presentable": false,
+				"primaryKey": true,
+				"required": true,
+				"system": true,
+				"type": "text"
+			},
+			{
+				"cost": 10,
+				"hidden": true,
+				"id": "password901924565",
+				"max": 0,
+				"min": 8,
+				"name": "password",
+				"pattern": "",
+				"presentable": false,
+				"required": true,
+				"system": true,
+				"type": "password"
+			},
+			{
+				"autogeneratePattern": "[a-zA-Z0-9_]{50}",
+				"hidden": true,
+				"id": "text2504183744",
+				"max": 60,
+				"min": 30,
+				"name": "tokenKey",
+				"pattern": "",
+				"presentable": false,
+				"primaryKey": false,
+				"required": true,
+				"system": true,
+				"type": "text"
+			},
+			{
+				"exceptDomains": null,
+				"hidden": false,
+				"id": "email3885137012",
+				"name": "email",
+				"onlyDomains": null,
+				"presentable": false,
+				"required": true,
+				"system": true,
+				"type": "email"
+			},
+			{
+				"hidden": false,
+				"id": "bool1547992806",
+				"name": "emailVisibility",
+				"presentable": false,
+				"required": false,
+				"system": true,
+				"type": "bool"
+			},
+			{
+				"hidden": false,
+				"id": "bool256245529",
+				"name": "verified",
+				"presentable": false,
+				"required": false,
+				"system": true,
+				"type": "bool"
+			},
+			{
+				"autogeneratePattern": "users[0-9]{6}",
+				"hidden": false,
+				"id": "text4166911607",
+				"max": 150,
+				"min": 3,
+				"name": "username",
+				"pattern": "^[\\w][\\w\\.\\-]*$",
+				"presentable": false,
+				"primaryKey": false,
+				"required": false,
+				"system": false,
+				"type": "text"
+			},
+			{
+				"hidden": false,
+				"id": "qkbp58ae",
+				"maxSelect": 1,
+				"name": "role",
+				"presentable": false,
+				"required": false,
+				"system": false,
+				"type": "select",
+				"values": [
+					"user",
+					"admin",
+					"readonly"
+				]
+			},
+			{
+				"hidden": false,
+				"id": "autodate2990389176",
+				"name": "created",
+				"onCreate": true,
+				"onUpdate": false,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			},
+			{
+				"hidden": false,
+				"id": "autodate3332085495",
+				"name": "updated",
+				"onCreate": true,
+				"onUpdate": true,
+				"presentable": false,
+				"system": false,
+				"type": "autodate"
+			}
+		],
+		"indexes": [
+			"CREATE UNIQUE INDEX ` + "`" + `__pb_users_auth__username_idx` + "`" + ` ON ` + "`" + `users` + "`" + ` (username COLLATE NOCASE)",
+			"CREATE UNIQUE INDEX ` + "`" + `__pb_users_auth__email_idx` + "`" + ` ON ` + "`" + `users` + "`" + ` (` + "`" + `email` + "`" + `) WHERE ` + "`" + `email` + "`" + ` != ''",
+			"CREATE UNIQUE INDEX ` + "`" + `__pb_users_auth__tokenKey_idx` + "`" + ` ON ` + "`" + `users` + "`" + ` (` + "`" + `tokenKey` + "`" + `)"
+		],
+		"system": false,
+		"authRule": "verified=true",
+		"manageRule": null
+	}
+]`
+
+		return app.ImportCollectionsByMarshaledJSON([]byte(jsonData), false)
+	}, func(app core.App) error {
+		return nil
+	})
+}

beszel/migrations/initial-settings.go

@@ -0,0 +1,29 @@
+package migrations
+
+import (
+	"github.com/pocketbase/pocketbase/core"
+	m "github.com/pocketbase/pocketbase/migrations"
+)
+
+var (
+	TempAdminEmail = "_@b.b"
+)
+
+func init() {
+	m.Register(func(app core.App) error {
+		// initial settings
+		settings := app.Settings()
+		settings.Meta.AppName = "Beszel"
+		settings.Meta.HideControls = true
+		settings.Logs.MinLevel = 4
+		if err := app.Save(settings); err != nil {
+			return err
+		}
+		// create superuser
+		collection, _ := app.FindCollectionByNameOrId(core.CollectionNameSuperusers)
+		user := core.NewRecord(collection)
+		user.SetEmail(TempAdminEmail)
+		user.SetRandomPassword()
+		return app.Save(user)
+	}, nil)
+}

beszel/site/.prettierrc

@@ -0,0 +1,8 @@
+{
+	"trailingComma": "es5",
+	"useTabs": true,
+	"tabWidth": 2,
+	"semi": false,
+	"singleQuote": false,
+	"printWidth": 120
+}

beszel/site/components.json

@@ -0,0 +1,17 @@
+{
+	"$schema": "https://ui.shadcn.com/schema.json",
+	"style": "default",
+	"rsc": false,
+	"tsx": true,
+	"tailwind": {
+		"config": "tailwind.config.js",
+		"css": "src/index.css",
+		"baseColor": "gray",
+		"cssVariables": true,
+		"prefix": ""
+	},
+	"aliases": {
+		"components": "@/components",
+		"utils": "@/lib/utils"
+	}
+}

beszel/site/embed.go

@@ -0,0 +1,13 @@
+// Package site handles the Beszel frontend embedding.
+package site
+
+import (
+	"embed"
+	"io/fs"
+)
+
+//go:embed all:dist
+var distDir embed.FS
+
+// DistDirFS contains the embedded dist directory files (without the "dist" prefix)
+var DistDirFS, _ = fs.Sub(distDir, "dist")

beszel/site/index.html

@@ -0,0 +1,20 @@
+<!doctype html>
+<html lang="en" dir="ltr">
+	<head>
+		<meta charset="UTF-8" />
+		<link rel="manifest" href="./static/manifest.json" />
+		<link rel="icon" type="image/svg+xml" href="./static/favicon.svg" />
+		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
+		<title>Beszel</title>
+		<script>
+			globalThis.BESZEL = {
+				BASE_PATH: "%BASE_URL%",
+				HUB_VERSION: "{{V}}"
+			}
+		</script>
+	</head>
+	<body>
+		<div id="app"></div>
+		<script type="module" src="/src/main.tsx"></script>
+	</body>
+</html>

beszel/site/lingui.config.ts

@@ -0,0 +1,45 @@
+import { defineConfig } from "@lingui/cli"
+
+export default defineConfig({
+	locales: [
+		"en",
+		"ar",
+		"bg",
+		"cs",
+		"da",
+		"de",
+		"es",
+		"fa",
+		"fr",
+		"hr",
+		"hu",
+		"it",
+		"is",
+		"ja",
+		"ko",
+		"nl",
+		"no",
+		"pl",
+		"pt",
+		"tr",
+		"ru",
+		"sl",
+		"sv",
+		"uk",
+		"vi",
+		"zh",
+		"zh-CN",
+		"zh-HK",
+	],
+	sourceLocale: "en",
+	compileNamespace: "ts",
+	formatOptions: {
+		lineNumbers: false,
+	},
+	catalogs: [
+		{
+			path: "<rootDir>/src/locales/{locale}/{locale}",
+			include: ["src"],
+		},
+	],
+})

beszel/site/package.json

@@ -0,0 +1,73 @@
+{
+	"name": "beszel",
+	"private": true,
+	"version": "0.11.1",
+	"type": "module",
+	"scripts": {
+		"dev": "vite",
+		"build": "lingui extract --overwrite && lingui compile && vite build",
+		"preview": "vite preview",
+		"sync": "lingui extract --overwrite && lingui compile",
+		"sync_and_purge": "lingui extract --overwrite --clean && lingui compile"
+	},
+	"dependencies": {
+		"@henrygd/queue": "^1.0.7",
+		"@henrygd/semaphore": "^0.0.2",
+		"@lingui/detect-locale": "^5.2.0",
+		"@lingui/macro": "^5.2.0",
+		"@lingui/react": "^5.2.0",
+		"@nanostores/react": "^0.7.3",
+		"@nanostores/router": "^0.11.0",
+		"@radix-ui/react-alert-dialog": "^1.1.6",
+		"@radix-ui/react-checkbox": "^1.1.4",
+		"@radix-ui/react-dialog": "^1.1.6",
+		"@radix-ui/react-direction": "^1.1.0",
+		"@radix-ui/react-dropdown-menu": "^2.1.6",
+		"@radix-ui/react-label": "^2.1.2",
+		"@radix-ui/react-select": "^2.1.6",
+		"@radix-ui/react-separator": "^1.1.2",
+		"@radix-ui/react-slider": "^1.2.3",
+		"@radix-ui/react-slot": "^1.1.2",
+		"@radix-ui/react-switch": "^1.1.3",
+		"@radix-ui/react-tabs": "^1.1.3",
+		"@radix-ui/react-toast": "^1.2.6",
+		"@radix-ui/react-tooltip": "^1.1.8",
+		"@tanstack/react-table": "^8.21.2",
+		"class-variance-authority": "^0.7.1",
+		"clsx": "^2.1.1",
+		"cmdk": "^1.0.4",
+		"d3-time": "^3.1.0",
+		"lucide-react": "^0.452.0",
+		"nanostores": "^0.11.4",
+		"pocketbase": "^0.25.2",
+		"react": "^18.3.1",
+		"react-dom": "^18.3.1",
+		"recharts": "^2.15.1",
+		"tailwind-merge": "^2.6.0",
+		"tailwindcss-animate": "^1.0.7",
+		"valibot": "^0.42.0"
+	},
+	"devDependencies": {
+		"@lingui/cli": "^5.2.0",
+		"@lingui/swc-plugin": "^5.5.0",
+		"@lingui/vite-plugin": "^5.2.0",
+		"@types/bun": "^1.2.4",
+		"@types/react": "^18.3.1",
+		"@types/react-dom": "^18.3.1",
+		"@vitejs/plugin-react-swc": "^3.8.0",
+		"autoprefixer": "^10.4.20",
+		"postcss": "^8.5.3",
+		"tailwindcss": "^3.4.17",
+		"tailwindcss-rtl": "^0.9.0",
+		"typescript": "^5.8.2",
+		"vite": "^6.2.0"
+	},
+	"overrides": {
+		"@nanostores/router": {
+			"nanostores": "^0.11.3"
+		}
+	},
+	"optionalDependencies": {
+		"@esbuild/linux-arm64": "^0.21.5"
+	}
+}

beszel/site/postcss.config.js

@@ -0,0 +1,6 @@
+export default {
+	plugins: {
+		tailwindcss: {},
+		autoprefixer: {},
+	},
+}

beszel/site/public/static/manifest.json

@@ -0,0 +1,14 @@
+{
+	"name": "Beszel",
+	"icons": [
+		{
+			"src": "icon.png",
+			"sizes": "512x512",
+			"type": "image/png"
+		}
+	],
+  "start_url": "../",
+	"display": "standalone",
+	"background_color": "#202225",
+	"theme_color": "#202225"
+}

beszel/site/src/components/add-system.tsx

@@ -0,0 +1,326 @@
+import { Trans } from "@lingui/react/macro"
+import { t } from "@lingui/core/macro"
+import { Button } from "@/components/ui/button"
+import {
+	Dialog,
+	DialogContent,
+	DialogDescription,
+	DialogFooter,
+	DialogHeader,
+	DialogTitle,
+	DialogTrigger,
+} from "@/components/ui/dialog"
+import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs"
+import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from "@/components/ui/tooltip"
+
+import { Input } from "@/components/ui/input"
+import { Label } from "@/components/ui/label"
+import { $publicKey, pb } from "@/lib/stores"
+import { cn, copyToClipboard, isReadOnlyUser, useLocalStorage } from "@/lib/utils"
+import { i18n } from "@lingui/core"
+import { useStore } from "@nanostores/react"
+import { ChevronDownIcon, Copy, ExternalLinkIcon, PlusIcon } from "lucide-react"
+import { memo, useRef, useState } from "react"
+import { basePath, navigate } from "./router"
+import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from "./ui/dropdown-menu"
+import { SystemRecord } from "@/types"
+import { AppleIcon, DockerIcon, TuxIcon, WindowsIcon } from "./ui/icons"
+
+export function AddSystemButton({ className }: { className?: string }) {
+	const [open, setOpen] = useState(false)
+	let opened = useRef(false)
+	if (open) {
+		opened.current = true
+	}
+
+	return (
+		<Dialog open={open} onOpenChange={setOpen}>
+			<DialogTrigger asChild>
+				<Button
+					variant="outline"
+					className={cn("flex gap-1 max-xs:h-[2.4rem]", className, isReadOnlyUser() && "hidden")}
+				>
+					<PlusIcon className="h-4 w-4 -ms-1" />
+					<Trans>
+						Add <span className="hidden sm:inline">System</span>
+					</Trans>
+				</Button>
+			</DialogTrigger>
+			{opened.current && <SystemDialog setOpen={setOpen} />}
+		</Dialog>
+	)
+}
+
+function copyDockerCompose(port = "45876", publicKey: string) {
+	copyToClipboard(`services:
+  beszel-agent:
+    image: "henrygd/beszel-agent"
+    container_name: "beszel-agent"
+    restart: unless-stopped
+    network_mode: host
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+      # monitor other disks / partitions by mounting a folder in /extra-filesystems
+      # - /mnt/disk/.beszel:/extra-filesystems/sda1:ro
+    environment:
+      LISTEN: ${port}
+      KEY: "${publicKey}"`)
+}
+
+function copyDockerRun(port = "45876", publicKey: string) {
+	copyToClipboard(
+		`docker run -d --name beszel-agent --network host --restart unless-stopped -v /var/run/docker.sock:/var/run/docker.sock:ro -e KEY="${publicKey}" -e LISTEN=${port} henrygd/beszel-agent:latest`
+	)
+}
+
+function copyLinuxCommand(port = "45876", publicKey: string, brew = false) {
+	let cmd = `curl -sL https://get.beszel.dev${
+		brew ? "/brew" : ""
+	} -o /tmp/install-agent.sh && chmod +x /tmp/install-agent.sh && /tmp/install-agent.sh -p ${port} -k "${publicKey}"`
+	// brew script does not support --china-mirrors
+	if (!brew && (i18n.locale + navigator.language).includes("zh-CN")) {
+		cmd += ` --china-mirrors`
+	}
+	copyToClipboard(cmd)
+}
+
+function copyWindowsCommand(port = "45876", publicKey: string) {
+	copyToClipboard(
+		`Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser; & iwr -useb https://get.beszel.dev -OutFile "$env:TEMP\\install-agent.ps1"; & "$env:TEMP\\install-agent.ps1" -Key "${publicKey}" -Port ${port}`
+	)
+}
+
+/**
+ * SystemDialog component for adding or editing a system.
+ * @param {Object} props - The component props.
+ * @param {function} props.setOpen - Function to set the open state of the dialog.
+ * @param {SystemRecord} [props.system] - Optional system record for editing an existing system.
+ */
+export const SystemDialog = memo(({ setOpen, system }: { setOpen: (open: boolean) => void; system?: SystemRecord }) => {
+	const publicKey = useStore($publicKey)
+	const port = useRef<HTMLInputElement>(null)
+	const [hostValue, setHostValue] = useState(system?.host ?? "")
+	const isUnixSocket = hostValue.startsWith("/")
+	const [tab, setTab] = useLocalStorage("as-tab", "docker")
+
+	async function handleSubmit(e: SubmitEvent) {
+		e.preventDefault()
+		const formData = new FormData(e.target as HTMLFormElement)
+		const data = Object.fromEntries(formData) as Record<string, any>
+		data.users = pb.authStore.record!.id
+		try {
+			setOpen(false)
+			if (system) {
+				await pb.collection("systems").update(system.id, { ...data, status: "pending" })
+			} else {
+				await pb.collection("systems").create(data)
+			}
+			navigate(basePath)
+			// console.log(record)
+		} catch (e) {
+			console.log(e)
+		}
+	}
+
+	return (
+		<DialogContent
+			className="w-[90%] sm:w-auto sm:ns-dialog max-w-full rounded-lg"
+			onCloseAutoFocus={() => {
+				setHostValue(system?.host ?? "")
+			}}
+		>
+			<Tabs defaultValue={tab} onValueChange={setTab}>
+				<DialogHeader>
+					<DialogTitle className="mb-2">
+						{system ? `${t`Edit`} ${system?.name}` : <Trans>Add New System</Trans>}
+					</DialogTitle>
+					<TabsList className="grid w-full grid-cols-2">
+						<TabsTrigger value="docker">Docker</TabsTrigger>
+						<TabsTrigger value="binary">
+							<Trans>Binary</Trans>
+						</TabsTrigger>
+					</TabsList>
+				</DialogHeader>
+				{/* Docker (set tab index to prevent auto focusing content in edit system dialog) */}
+				<TabsContent value="docker" tabIndex={-1}>
+					<DialogDescription className="mb-4 leading-normal w-0 min-w-full">
+						<Trans>
+							The agent must be running on the system to connect. Copy the
+							<code className="bg-muted px-1 rounded-sm leading-3">docker-compose.yml</code> for the agent below.
+						</Trans>
+					</DialogDescription>
+				</TabsContent>
+				{/* Binary */}
+				<TabsContent value="binary" tabIndex={-1}>
+					<DialogDescription className="mb-4 leading-normal w-0 min-w-full">
+						<Trans>
+							The agent must be running on the system to connect. Copy the installation command for the agent below.
+						</Trans>
+					</DialogDescription>
+				</TabsContent>
+				<form onSubmit={handleSubmit as any}>
+					<div className="grid xs:grid-cols-[auto_1fr] gap-y-3 gap-x-4 items-center mt-1 mb-4">
+						<Label htmlFor="name" className="xs:text-end">
+							<Trans>Name</Trans>
+						</Label>
+						<Input id="name" name="name" defaultValue={system?.name} required />
+						<Label htmlFor="host" className="xs:text-end">
+							<Trans>Host / IP</Trans>
+						</Label>
+						<Input
+							id="host"
+							name="host"
+							value={hostValue}
+							required
+							onChange={(e) => {
+								setHostValue(e.target.value)
+							}}
+						/>
+						<Label htmlFor="port" className={cn("xs:text-end", isUnixSocket && "hidden")}>
+							<Trans>Port</Trans>
+						</Label>
+						<Input
+							ref={port}
+							name="port"
+							id="port"
+							defaultValue={system?.port || "45876"}
+							required={!isUnixSocket}
+							className={cn(isUnixSocket && "hidden")}
+						/>
+						<Label htmlFor="pkey" className="xs:text-end whitespace-pre">
+							<Trans comment="Use 'Key' if your language requires many more characters">Public Key</Trans>
+						</Label>
+						<div className="relative">
+							<Input readOnly id="pkey" value={publicKey} required></Input>
+							<div
+								className={
+									"h-6 w-24 bg-gradient-to-r rtl:bg-gradient-to-l from-transparent to-background to-65% absolute top-2 end-1 pointer-events-none"
+								}
+							></div>
+							<TooltipProvider delayDuration={100}>
+								<Tooltip>
+									<TooltipTrigger asChild>
+										<Button
+											type="button"
+											variant={"link"}
+											className="absolute end-0 top-0"
+											onClick={() => copyToClipboard(publicKey)}
+										>
+											<Copy className="size-4" />
+										</Button>
+									</TooltipTrigger>
+									<TooltipContent>
+										<p>
+											<Trans>Click to copy</Trans>
+										</p>
+									</TooltipContent>
+								</Tooltip>
+							</TooltipProvider>
+						</div>
+					</div>
+					<DialogFooter className="flex justify-end gap-x-2 gap-y-3 flex-col mt-5">
+						{/* Docker */}
+						<TabsContent value="docker" className="contents">
+							<CopyButton
+								text={t({ message: "Copy docker compose", context: "Button to copy docker compose file content" })}
+								onClick={() => copyDockerCompose(isUnixSocket ? hostValue : port.current?.value, publicKey)}
+								icon={<DockerIcon className="size-4 -me-0.5" />}
+								dropdownItems={[
+									{
+										text: t({ message: "Copy docker run", context: "Button to copy docker run command" }),
+										onClick: () => copyDockerRun(isUnixSocket ? hostValue : port.current?.value, publicKey),
+										icons: [<DockerIcon className="size-4" />],
+									},
+								]}
+							/>
+						</TabsContent>
+						{/* Binary */}
+						<TabsContent value="binary" className="contents">
+							<CopyButton
+								text={t`Copy Linux command`}
+								icon={<TuxIcon className="size-4" />}
+								onClick={() => copyLinuxCommand(isUnixSocket ? hostValue : port.current?.value, publicKey)}
+								dropdownItems={[
+									{
+										text: t({ message: "Homebrew command", context: "Button to copy install command" }),
+										onClick: () => copyLinuxCommand(isUnixSocket ? hostValue : port.current?.value, publicKey, true),
+										icons: [<AppleIcon className="size-4" />, <TuxIcon className="w-4 h-4" />],
+									},
+									{
+										text: t({ message: "Windows command", context: "Button to copy install command" }),
+										onClick: () => copyWindowsCommand(isUnixSocket ? hostValue : port.current?.value, publicKey),
+										icons: [<WindowsIcon className="size-4" />],
+									},
+									{
+										text: t`Manual setup instructions`,
+										url: "https://beszel.dev/guide/agent-installation#binary",
+										icons: [<ExternalLinkIcon className="size-4" />],
+									},
+								]}
+							/>
+						</TabsContent>
+						{/* Save */}
+						<Button>{system ? <Trans>Save system</Trans> : <Trans>Add system</Trans>}</Button>
+					</DialogFooter>
+				</form>
+			</Tabs>
+		</DialogContent>
+	)
+})
+
+interface DropdownItem {
+	text: string
+	onClick?: () => void
+	url?: string
+	icons?: React.ReactNode[]
+}
+
+interface CopyButtonProps {
+	text: string
+	onClick: () => void
+	dropdownItems: DropdownItem[]
+	icon?: React.ReactNode
+}
+
+const CopyButton = memo((props: CopyButtonProps) => {
+	return (
+		<div className="flex gap-0 rounded-lg">
+			<Button
+				type="button"
+				variant="outline"
+				onClick={props.onClick}
+				className="rounded-e-none dark:border-e-0 grow flex items-center gap-2"
+			>
+				{props.text} {props.icon}
+			</Button>
+			<div className="w-px h-full bg-muted"></div>
+			<DropdownMenu>
+				<DropdownMenuTrigger asChild>
+					<Button variant="outline" className={"px-2 rounded-s-none border-s-0"}>
+						<ChevronDownIcon />
+					</Button>
+				</DropdownMenuTrigger>
+				<DropdownMenuContent align="end">
+					{props.dropdownItems.map((item, index) => (
+						<DropdownMenuItem key={index} asChild={!!item.url}>
+							{item.url ? (
+								<a
+									href={item.url}
+									className="cursor-pointer flex items-center gap-1.5"
+									target="_blank"
+									rel="noopener noreferrer"
+								>
+									{item.text} {item.icons?.map((icon) => icon)}
+								</a>
+							) : (
+								<div onClick={item.onClick} className="cursor-pointer flex items-center gap-1.5">
+									{item.text} {item.icons?.map((icon) => icon)}
+								</div>
+							)}
+						</DropdownMenuItem>
+					))}
+				</DropdownMenuContent>
+			</DropdownMenu>
+		</div>
+	)
+})

beszel/site/src/components/alerts/alert-button.tsx

@@ -0,0 +1,132 @@
+import { t } from "@lingui/core/macro";
+import { Trans } from "@lingui/react/macro";
+import { memo, useMemo, useState } from "react"
+import { useStore } from "@nanostores/react"
+import { $alerts } from "@/lib/stores"
+import {
+	Dialog,
+	DialogTrigger,
+	DialogContent,
+	DialogDescription,
+	DialogHeader,
+	DialogTitle,
+} from "@/components/ui/dialog"
+import { BellIcon, GlobeIcon, ServerIcon } from "lucide-react"
+import { alertInfo, cn } from "@/lib/utils"
+import { Button } from "@/components/ui/button"
+import { AlertRecord, SystemRecord } from "@/types"
+import { Link } from "../router"
+import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs"
+import { Checkbox } from "../ui/checkbox"
+import { SystemAlert, SystemAlertGlobal } from "./alerts-system"
+
+export default memo(function AlertsButton({ system }: { system: SystemRecord }) {
+	const alerts = useStore($alerts)
+	const [opened, setOpened] = useState(false)
+
+	const hasAlert = alerts.some((alert) => alert.system === system.id)
+
+	return useMemo(
+		() => (
+			<Dialog>
+				<DialogTrigger asChild>
+					<Button variant="ghost" size="icon" aria-label={t`Alerts`} data-nolink onClick={() => setOpened(true)}>
+						<BellIcon
+							className={cn("h-[1.2em] w-[1.2em] pointer-events-none", {
+								"fill-primary": hasAlert,
+							})}
+						/>
+					</Button>
+				</DialogTrigger>
+				<DialogContent className="max-h-full overflow-auto max-w-[35rem]">
+					{opened && <AlertDialogContent system={system} />}
+				</DialogContent>
+			</Dialog>
+		),
+		[opened, hasAlert]
+	)
+})
+
+function AlertDialogContent({ system }: { system: SystemRecord }) {
+	const alerts = useStore($alerts)
+	const [overwriteExisting, setOverwriteExisting] = useState<boolean | "indeterminate">(false)
+
+	// alertsSignature changes only when alerts for this system change
+	let alertsSignature = ""
+	const systemAlerts = alerts.filter((alert) => {
+		if (alert.system === system.id) {
+			alertsSignature += alert.name + alert.min + alert.value
+			return true
+		}
+		return false
+	}) as AlertRecord[]
+
+	return useMemo(() => {
+		// console.log("render modal", system.name, alertsSignature)
+		const data = Object.keys(alertInfo).map((name) => {
+			const alert = alertInfo[name as keyof typeof alertInfo]
+			return {
+				name: name as keyof typeof alertInfo,
+				alert,
+				system,
+			}
+		})
+
+		return (
+			<>
+				<DialogHeader>
+					<DialogTitle className="text-xl">
+						<Trans>Alerts</Trans>
+					</DialogTitle>
+					<DialogDescription>
+						<Trans>
+							See{" "}
+							<Link href="/settings/notifications" className="link">
+								notification settings
+							</Link>{" "}
+							to configure how you receive alerts.
+						</Trans>
+					</DialogDescription>
+				</DialogHeader>
+				<Tabs defaultValue="system">
+					<TabsList className="mb-1 -mt-0.5">
+						<TabsTrigger value="system">
+							<ServerIcon className="me-2 h-3.5 w-3.5" />
+							{system.name}
+						</TabsTrigger>
+						<TabsTrigger value="global">
+							<GlobeIcon className="me-1.5 h-3.5 w-3.5" />
+							<Trans>All Systems</Trans>
+						</TabsTrigger>
+					</TabsList>
+					<TabsContent value="system">
+						<div className="grid gap-3">
+							{data.map((d) => (
+								<SystemAlert key={d.name} system={system} data={d} systemAlerts={systemAlerts} />
+							))}
+						</div>
+					</TabsContent>
+					<TabsContent value="global">
+						<label
+							htmlFor="ovw"
+							className="mb-3 flex gap-2 items-center justify-center cursor-pointer border rounded-sm py-3 px-4 border-destructive text-destructive font-semibold text-sm"
+						>
+							<Checkbox
+								id="ovw"
+								className="text-destructive border-destructive data-[state=checked]:bg-destructive"
+								checked={overwriteExisting}
+								onCheckedChange={setOverwriteExisting}
+							/>
+							<Trans>Overwrite existing alerts</Trans>
+						</label>
+						<div className="grid gap-3">
+							{data.map((d) => (
+								<SystemAlertGlobal key={d.name} data={d} overwrite={overwriteExisting} />
+							))}
+						</div>
+					</TabsContent>
+				</Tabs>
+			</>
+		)
+	}, [alertsSignature, overwriteExisting])
+}

beszel/site/src/components/alerts/alerts-system.tsx

@@ -0,0 +1,310 @@
+import { t } from "@lingui/core/macro"
+import { Trans, Plural } from "@lingui/react/macro"
+import { $alerts, $systems, pb } from "@/lib/stores"
+import { alertInfo, cn } from "@/lib/utils"
+import { Switch } from "@/components/ui/switch"
+import { AlertInfo, AlertRecord, SystemRecord } from "@/types"
+import { lazy, Suspense, useMemo, useState } from "react"
+import { toast } from "../ui/use-toast"
+import { BatchService } from "pocketbase"
+import { getSemaphore } from "@henrygd/semaphore"
+
+interface AlertData {
+	checked?: boolean
+	val?: number
+	min?: number
+	updateAlert?: (checked: boolean, value: number, min: number) => void
+	name: keyof typeof alertInfo
+	alert: AlertInfo
+	system: SystemRecord
+}
+
+const Slider = lazy(() => import("@/components/ui/slider"))
+
+const failedUpdateToast = () =>
+	toast({
+		title: t`Failed to update alert`,
+		description: t`Please check logs for more details.`,
+		variant: "destructive",
+	})
+
+export function SystemAlert({
+	system,
+	systemAlerts,
+	data,
+}: {
+	system: SystemRecord
+	systemAlerts: AlertRecord[]
+	data: AlertData
+}) {
+	const alert = systemAlerts.find((alert) => alert.name === data.name)
+
+	data.updateAlert = async (checked: boolean, value: number, min: number) => {
+		try {
+			if (alert && !checked) {
+				await pb.collection("alerts").delete(alert.id)
+			} else if (alert && checked) {
+				await pb.collection("alerts").update(alert.id, { value, min, triggered: false })
+			} else if (checked) {
+				pb.collection("alerts").create({
+					system: system.id,
+					user: pb.authStore.record!.id,
+					name: data.name,
+					value: value,
+					min: min,
+				})
+			}
+		} catch (e) {
+			failedUpdateToast()
+		}
+	}
+
+	if (alert) {
+		data.checked = true
+		data.val = alert.value
+		data.min = alert.min || 1
+	}
+
+	return <AlertContent data={data} />
+}
+
+export const SystemAlertGlobal = ({ data, overwrite }: { data: AlertData; overwrite: boolean | "indeterminate" }) => {
+	data.checked = false
+	data.val = data.min = 0
+
+	// set of system ids that have an alert for this name when the component is mounted
+	const existingAlertsSystems = useMemo(() => {
+		const map = new Set<string>()
+		const alerts = $alerts.get()
+		for (const alert of alerts) {
+			if (alert.name === data.name) {
+				map.add(alert.system)
+			}
+		}
+		return map
+	}, [])
+
+	data.updateAlert = async (checked: boolean, value: number, min: number) => {
+		const sem = getSemaphore("alerts")
+		await sem.acquire()
+		try {
+			// if another update is waiting behind, don't start this one
+			if (sem.size() > 1) {
+				return
+			}
+
+			const recordData: Partial<AlertRecord> = {
+				value,
+				min,
+				triggered: false,
+			}
+
+			const batch = batchWrapper("alerts", 25)
+			const systems = $systems.get()
+			const currentAlerts = $alerts.get()
+
+			// map of current alerts with this name right now by system id
+			const currentAlertsSystems = new Map<string, AlertRecord>()
+			for (const alert of currentAlerts) {
+				if (alert.name === data.name) {
+					currentAlertsSystems.set(alert.system, alert)
+				}
+			}
+
+			if (overwrite) {
+				existingAlertsSystems.clear()
+			}
+
+			const processSystem = async (system: SystemRecord): Promise<void> => {
+				const existingAlert = existingAlertsSystems.has(system.id)
+
+				if (!overwrite && existingAlert) {
+					return
+				}
+
+				const currentAlert = currentAlertsSystems.get(system.id)
+
+				// delete existing alert if unchecked
+				if (!checked && currentAlert) {
+					return batch.remove(currentAlert.id)
+				}
+				if (checked && currentAlert) {
+					// update existing alert if checked
+					return batch.update(currentAlert.id, recordData)
+				}
+				if (checked) {
+					// create new alert if checked and not existing
+					return batch.create({
+						system: system.id,
+						user: pb.authStore.record!.id,
+						name: data.name,
+						...recordData,
+					})
+				}
+			}
+
+			// make sure current system is updated in the first batch
+			await processSystem(data.system)
+			for (const system of systems) {
+				if (system.id === data.system.id) {
+					continue
+				}
+				if (sem.size() > 1) {
+					return
+				}
+				await processSystem(system)
+			}
+			await batch.send()
+		} finally {
+			sem.release()
+		}
+	}
+
+	return <AlertContent data={data} />
+}
+
+/**
+ * Creates a wrapper for performing batch operations on a specified collection.
+ */
+function batchWrapper(collection: string, batchSize: number) {
+	let batch: BatchService | undefined
+	let count = 0
+
+	const create = async <T extends Record<string, any>>(options: T) => {
+		batch ||= pb.createBatch()
+		batch.collection(collection).create(options)
+		if (++count >= batchSize) {
+			await send()
+		}
+	}
+
+	const update = async <T extends Record<string, any>>(id: string, data: T) => {
+		batch ||= pb.createBatch()
+		batch.collection(collection).update(id, data)
+		if (++count >= batchSize) {
+			await send()
+		}
+	}
+
+	const remove = async (id: string) => {
+		batch ||= pb.createBatch()
+		batch.collection(collection).delete(id)
+		if (++count >= batchSize) {
+			await send()
+		}
+	}
+
+	const send = async () => {
+		if (count) {
+			await batch?.send({ requestKey: null })
+			batch = undefined
+			count = 0
+		}
+	}
+
+	return {
+		update,
+		remove,
+		send,
+		create,
+	}
+}
+
+function AlertContent({ data }: { data: AlertData }) {
+	const { name } = data
+
+	const singleDescription = data.alert.singleDesc?.()
+
+	const [checked, setChecked] = useState(data.checked || false)
+	const [min, setMin] = useState(data.min || 10)
+	const [value, setValue] = useState(data.val || (singleDescription ? 0 : 80))
+
+	const Icon = alertInfo[name].icon
+
+	return (
+		<div className="rounded-lg border border-muted-foreground/15 hover:border-muted-foreground/20 transition-colors duration-100 group">
+			<label
+				htmlFor={`s${name}`}
+				className={cn("flex flex-row items-center justify-between gap-4 cursor-pointer p-4", {
+					"pb-0": checked,
+				})}
+			>
+				<div className="grid gap-1 select-none">
+					<p className="font-semibold flex gap-3 items-center">
+						<Icon className="h-4 w-4 opacity-85" /> {data.alert.name()}
+					</p>
+					{!checked && <span className="block text-sm text-muted-foreground">{data.alert.desc()}</span>}
+				</div>
+				<Switch
+					id={`s${name}`}
+					checked={checked}
+					onCheckedChange={(newChecked) => {
+						setChecked(newChecked)
+						data.updateAlert?.(newChecked, value, min)
+					}}
+				/>
+			</label>
+			{checked && (
+				<div className="grid sm:grid-cols-2 mt-1.5 gap-5 px-4 pb-5 tabular-nums text-muted-foreground">
+					<Suspense fallback={<div className="h-10" />}>
+						{!singleDescription && (
+							<div>
+								<p id={`v${name}`} className="text-sm block h-8">
+									<Trans>
+										Average exceeds{" "}
+										<strong className="text-foreground">
+											{value}
+											{data.alert.unit}
+										</strong>
+									</Trans>
+								</p>
+								<div className="flex gap-3">
+									<Slider
+										aria-labelledby={`v${name}`}
+										defaultValue={[value]}
+										onValueCommit={(val) => {
+											data.updateAlert?.(true, val[0], min)
+										}}
+										onValueChange={(val) => {
+											setValue(val[0])
+										}}
+										min={1}
+										max={alertInfo[name].max ?? 99}
+									/>
+								</div>
+							</div>
+						)}
+						<div className={cn(singleDescription && "col-span-full lowercase")}>
+							<p id={`t${name}`} className="text-sm block h-8 first-letter:uppercase">
+								{singleDescription && (
+									<>
+										{singleDescription}
+										{` `}
+									</>
+								)}
+								<Trans>
+									For <strong className="text-foreground">{min}</strong>{" "}
+									<Plural value={min} one="minute" other="minutes" />
+								</Trans>
+							</p>
+							<div className="flex gap-3">
+								<Slider
+									aria-labelledby={`v${name}`}
+									defaultValue={[min]}
+									onValueCommit={(min) => {
+										data.updateAlert?.(true, value, min[0])
+									}}
+									onValueChange={(val) => {
+										setMin(val[0])
+									}}
+									min={1}
+									max={60}
+								/>
+							</div>
+						</div>
+					</Suspense>
+				</div>
+			)}
+		</div>
+	)
+}

beszel/site/src/components/charts/area-chart.tsx

@@ -0,0 +1,150 @@
+import { t } from "@lingui/core/macro"
+
+import { Area, AreaChart, CartesianGrid, YAxis } from "recharts"
+import { ChartContainer, ChartTooltip, ChartTooltipContent, xAxis } from "@/components/ui/chart"
+import {
+	useYAxisWidth,
+	cn,
+	formatShortDate,
+	toFixedWithoutTrailingZeros,
+	decimalString,
+	chartMargin,
+} from "@/lib/utils"
+// import Spinner from '../spinner'
+import { ChartData } from "@/types"
+import { memo, useMemo } from "react"
+import { useLingui } from "@lingui/react/macro"
+
+/** [label, key, color, opacity] */
+type DataKeys = [string, string, number, number]
+
+const getNestedValue = (path: string, max = false, data: any): number | null => {
+	// fallback value (obj?.stats?.cpum ? 0 : null) should only come into play when viewing
+	// a max value which doesn't exist, or the value was zero and omitted from the stats object.
+	// so we check if cpum is present. if so, return 0 to make sure the zero value is displayed.
+	// if not, return null - there is no max data so do not display anything.
+	return `stats.${path}${max ? "m" : ""}`
+		.split(".")
+		.reduce((acc: any, key: string) => acc?.[key] ?? (data.stats?.cpum ? 0 : null), data)
+}
+
+export default memo(function AreaChartDefault({
+	maxToggled = false,
+	unit = " MB/s",
+	chartName,
+	chartData,
+	max,
+	tickFormatter,
+	contentFormatter,
+}: {
+	maxToggled?: boolean
+	unit?: string
+	chartName: string
+	chartData: ChartData
+	max?: number
+	tickFormatter?: (value: number) => string
+	contentFormatter?: (value: number) => string
+}) {
+	const { yAxisWidth, updateYAxisWidth } = useYAxisWidth()
+	const { i18n } = useLingui()
+
+	const { chartTime } = chartData
+
+	const showMax = chartTime !== "1h" && maxToggled
+
+	const dataKeys: DataKeys[] = useMemo(() => {
+		// [label, key, color, opacity]
+		if (chartName === "CPU Usage") {
+			return [[t`CPU Usage`, "cpu", 1, 0.4]]
+		} else if (chartName === "dio") {
+			return [
+				[t({ message: "Write", comment: "Disk write" }), "dw", 3, 0.3],
+				[t({ message: "Read", comment: "Disk read" }), "dr", 1, 0.3],
+			]
+		} else if (chartName === "bw") {
+			return [
+				[t({ message: "Sent", comment: "Network bytes sent (upload)" }), "ns", 5, 0.2],
+				[t({ message: "Received", comment: "Network bytes received (download)" }), "nr", 2, 0.2],
+			]
+		} else if (chartName.startsWith("efs")) {
+			return [
+				[t`Write`, `${chartName}.w`, 3, 0.3],
+				[t`Read`, `${chartName}.r`, 1, 0.3],
+			]
+		} else if (chartName.startsWith("g.")) {
+			return [chartName.includes("mu") ? [t`Used`, chartName, 2, 0.25] : [t`Usage`, chartName, 1, 0.4]]
+		}
+		return []
+	}, [chartName, i18n.locale])
+
+	// console.log('Rendered at', new Date())
+
+	if (chartData.systemStats.length === 0) {
+		return null
+	}
+
+	return (
+		<div>
+			<ChartContainer
+				className={cn("h-full w-full absolute aspect-auto bg-card opacity-0 transition-opacity", {
+					"opacity-100": yAxisWidth,
+				})}
+			>
+				<AreaChart accessibilityLayer data={chartData.systemStats} margin={chartMargin}>
+					<CartesianGrid vertical={false} />
+					<YAxis
+						direction="ltr"
+						orientation={chartData.orientation}
+						className="tracking-tighter"
+						width={yAxisWidth}
+						domain={[0, max ?? "auto"]}
+						tickFormatter={(value) => {
+							let val: string
+							if (tickFormatter) {
+								val = tickFormatter(value)
+							} else {
+								val = toFixedWithoutTrailingZeros(value, 2) + unit
+							}
+							return updateYAxisWidth(val)
+						}}
+						tickLine={false}
+						axisLine={false}
+					/>
+					{xAxis(chartData)}
+					<ChartTooltip
+						animationEasing="ease-out"
+						animationDuration={150}
+						content={
+							<ChartTooltipContent
+								labelFormatter={(_, data) => formatShortDate(data[0].payload.created)}
+								contentFormatter={({ value }) => {
+									if (contentFormatter) {
+										return contentFormatter(value)
+									}
+									return decimalString(value) + unit
+								}}
+								// indicator="line"
+							/>
+						}
+					/>
+					{dataKeys.map((key, i) => {
+						const color = `hsl(var(--chart-${key[2]}))`
+						return (
+							<Area
+								key={i}
+								dataKey={getNestedValue.bind(null, key[1], showMax)}
+								name={key[0]}
+								type="monotoneX"
+								fill={color}
+								fillOpacity={key[3]}
+								stroke={color}
+								isAnimationActive={false}
+							/>
+						)
+					})}
+					{/* <ChartLegend content={<ChartLegendContent />} /> */}
+				</AreaChart>
+			</ChartContainer>
+		</div>
+	)
+})

beszel/site/src/components/charts/chart-time-select.tsx

@@ -0,0 +1,26 @@
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select"
+import { $chartTime } from "@/lib/stores"
+import { chartTimeData, cn } from "@/lib/utils"
+import { ChartTimes } from "@/types"
+import { useStore } from "@nanostores/react"
+import { HistoryIcon } from "lucide-react"
+
+export default function ChartTimeSelect({ className }: { className?: string }) {
+	const chartTime = useStore($chartTime)
+
+	return (
+		<Select defaultValue="1h" value={chartTime} onValueChange={(value: ChartTimes) => $chartTime.set(value)}>
+			<SelectTrigger className={cn(className, "relative ps-10 pe-5")}>
+				<HistoryIcon className="h-4 w-4 absolute start-4 top-1/2 -translate-y-1/2 opacity-85" />
+				<SelectValue />
+			</SelectTrigger>
+			<SelectContent>
+				{Object.entries(chartTimeData).map(([value, { label }]) => (
+					<SelectItem key={value} value={value}>
+						{label()}
+					</SelectItem>
+				))}
+			</SelectContent>
+		</Select>
+	)
+}

beszel/site/src/components/charts/container-chart.tsx

@@ -0,0 +1,196 @@
+import { Area, AreaChart, CartesianGrid, YAxis } from "recharts"
+import { ChartConfig, ChartContainer, ChartTooltip, ChartTooltipContent, xAxis } from "@/components/ui/chart"
+import { memo, useMemo } from "react"
+import {
+	useYAxisWidth,
+	cn,
+	formatShortDate,
+	decimalString,
+	chartMargin,
+	toFixedFloat,
+	getSizeAndUnit,
+	toFixedWithoutTrailingZeros,
+} from "@/lib/utils"
+// import Spinner from '../spinner'
+import { useStore } from "@nanostores/react"
+import { $containerFilter } from "@/lib/stores"
+import { ChartData } from "@/types"
+import { Separator } from "../ui/separator"
+import { ChartType } from "@/lib/enums"
+
+export default memo(function ContainerChart({
+	dataKey,
+	chartData,
+	chartType,
+	unit = "%",
+}: {
+	dataKey: string
+	chartData: ChartData
+	chartType: ChartType
+	unit?: string
+}) {
+	const filter = useStore($containerFilter)
+	const { yAxisWidth, updateYAxisWidth } = useYAxisWidth()
+
+	const { containerData } = chartData
+
+	const isNetChart = chartType === ChartType.Network
+
+	const chartConfig = useMemo(() => {
+		let config = {} as Record<
+			string,
+			{
+				label: string
+				color: string
+			}
+		>
+		const totalUsage = {} as Record<string, number>
+		for (let stats of containerData) {
+			for (let key in stats) {
+				if (!key || key === "created") {
+					continue
+				}
+				if (!(key in totalUsage)) {
+					totalUsage[key] = 0
+				}
+				if (isNetChart) {
+					totalUsage[key] += (stats[key]?.nr ?? 0) + (stats[key]?.ns ?? 0)
+				} else {
+					// @ts-ignore
+					totalUsage[key] += stats[key]?.[dataKey] ?? 0
+				}
+			}
+		}
+		let keys = Object.keys(totalUsage)
+		keys.sort((a, b) => (totalUsage[a] > totalUsage[b] ? -1 : 1))
+		const length = keys.length
+		for (let i = 0; i < length; i++) {
+			const key = keys[i]
+			const hue = ((i * 360) / length) % 360
+			config[key] = {
+				label: key,
+				color: `hsl(${hue}, 60%, 55%)`,
+			}
+		}
+		return config satisfies ChartConfig
+	}, [chartData])
+
+	const { toolTipFormatter, dataFunction, tickFormatter } = useMemo(() => {
+		const obj = {} as {
+			toolTipFormatter: (item: any, key: string) => React.ReactNode | string
+			dataFunction: (key: string, data: any) => number | null
+			tickFormatter: (value: any) => string
+		}
+		// tick formatter
+		if (chartType === ChartType.CPU) {
+			obj.tickFormatter = (value) => {
+				const val = toFixedWithoutTrailingZeros(value, 2) + unit
+				return updateYAxisWidth(val)
+			}
+		} else {
+			obj.tickFormatter = (value) => {
+				const { v, u } = getSizeAndUnit(value, false)
+				return updateYAxisWidth(`${toFixedFloat(v, 2)}${u}${isNetChart ? "/s" : ""}`)
+			}
+		}
+		// tooltip formatter
+		if (isNetChart) {
+			obj.toolTipFormatter = (item: any, key: string) => {
+				try {
+					const sent = item?.payload?.[key]?.ns ?? 0
+					const received = item?.payload?.[key]?.nr ?? 0
+					return (
+						<span className="flex">
+							{decimalString(received)} MB/s
+							<span className="opacity-70 ms-0.5"> rx </span>
+							<Separator orientation="vertical" className="h-3 mx-1.5 bg-primary/40" />
+							{decimalString(sent)} MB/s
+							<span className="opacity-70 ms-0.5"> tx</span>
+						</span>
+					)
+				} catch (e) {
+					return null
+				}
+			}
+		} else if (chartType === ChartType.Memory) {
+			obj.toolTipFormatter = (item: any) => {
+				const { v, u } = getSizeAndUnit(item.value, false)
+				return decimalString(v, 2) + u
+			}
+		} else {
+			obj.toolTipFormatter = (item: any) => decimalString(item.value) + unit
+		}
+		// data function
+		if (isNetChart) {
+			obj.dataFunction = (key: string, data: any) => (data[key] ? data[key].nr + data[key].ns : null)
+		} else {
+			obj.dataFunction = (key: string, data: any) => data[key]?.[dataKey] ?? null
+		}
+		return obj
+	}, [])
+
+	// console.log('rendered at', new Date())
+
+	if (containerData.length === 0) {
+		return null
+	}
+
+	return (
+		<div>
+			<ChartContainer
+				className={cn("h-full w-full absolute aspect-auto bg-card opacity-0 transition-opacity", {
+					"opacity-100": yAxisWidth,
+				})}
+			>
+				<AreaChart
+					accessibilityLayer
+					// syncId={'cpu'}
+					data={containerData}
+					margin={chartMargin}
+					reverseStackOrder={true}
+				>
+					<CartesianGrid vertical={false} />
+					<YAxis
+						direction="ltr"
+						orientation={chartData.orientation}
+						className="tracking-tighter"
+						width={yAxisWidth}
+						tickFormatter={tickFormatter}
+						tickLine={false}
+						axisLine={false}
+					/>
+					{xAxis(chartData)}
+					<ChartTooltip
+						animationEasing="ease-out"
+						animationDuration={150}
+						truncate={true}
+						labelFormatter={(_, data) => formatShortDate(data[0].payload.created)}
+						// @ts-ignore
+						itemSorter={(a, b) => b.value - a.value}
+						content={<ChartTooltipContent filter={filter} contentFormatter={toolTipFormatter} />}
+					/>
+					{Object.keys(chartConfig).map((key) => {
+						const filtered = filter && !key.toLowerCase().includes(filter.toLowerCase())
+						let fillOpacity = filtered ? 0.05 : 0.4
+						let strokeOpacity = filtered ? 0.1 : 1
+						return (
+							<Area
+								key={key}
+								isAnimationActive={false}
+								dataKey={dataFunction.bind(null, key)}
+								name={key}
+								type="monotoneX"
+								fill={chartConfig[key].color}
+								fillOpacity={fillOpacity}
+								stroke={chartConfig[key].color}
+								strokeOpacity={strokeOpacity}
+								activeDot={{ opacity: filtered ? 0 : 1 }}
+								stackId="a"
+							/>
+						)
+					})}
+				</AreaChart>
+			</ChartContainer>
+		</div>
+	)
+})

beszel/site/src/components/charts/disk-chart.tsx

@@ -0,0 +1,89 @@
+import { Area, AreaChart, CartesianGrid, YAxis } from "recharts"
+import { ChartContainer, ChartTooltip, ChartTooltipContent, xAxis } from "@/components/ui/chart"
+import {
+	useYAxisWidth,
+	cn,
+	formatShortDate,
+	decimalString,
+	toFixedFloat,
+	chartMargin,
+	getSizeAndUnit,
+} from "@/lib/utils"
+import { ChartData } from "@/types"
+import { memo } from "react"
+import { useLingui } from "@lingui/react/macro"
+
+export default memo(function DiskChart({
+	dataKey,
+	diskSize,
+	chartData,
+}: {
+	dataKey: string
+	diskSize: number
+	chartData: ChartData
+}) {
+	const { yAxisWidth, updateYAxisWidth } = useYAxisWidth()
+	const { t } = useLingui()
+
+	// round to nearest GB
+	if (diskSize >= 100) {
+		diskSize = Math.round(diskSize)
+	}
+
+	if (chartData.systemStats.length === 0) {
+		return null
+	}
+
+	return (
+		<div>
+			<ChartContainer
+				className={cn("h-full w-full absolute aspect-auto bg-card opacity-0 transition-opacity", {
+					"opacity-100": yAxisWidth,
+				})}
+			>
+				<AreaChart accessibilityLayer data={chartData.systemStats} margin={chartMargin}>
+					<CartesianGrid vertical={false} />
+					<YAxis
+						direction="ltr"
+						orientation={chartData.orientation}
+						className="tracking-tighter"
+						width={yAxisWidth}
+						domain={[0, diskSize]}
+						tickCount={9}
+						minTickGap={6}
+						tickLine={false}
+						axisLine={false}
+						tickFormatter={(value) => {
+							const { v, u } = getSizeAndUnit(value)
+							return updateYAxisWidth(toFixedFloat(v, 2) + u)
+						}}
+					/>
+					{xAxis(chartData)}
+					<ChartTooltip
+						animationEasing="ease-out"
+						animationDuration={150}
+						content={
+							<ChartTooltipContent
+								labelFormatter={(_, data) => formatShortDate(data[0].payload.created)}
+								contentFormatter={({ value }) => {
+									const { v, u } = getSizeAndUnit(value)
+									return decimalString(v) + u
+								}}
+							/>
+						}
+					/>
+					<Area
+						dataKey={dataKey}
+						name={t`Disk Usage`}
+						type="monotoneX"
+						fill="hsl(var(--chart-4))"
+						fillOpacity={0.4}
+						stroke="hsl(var(--chart-4))"
+						// animationDuration={1200}
+						isAnimationActive={false}
+					/>
+				</AreaChart>
+			</ChartContainer>
+		</div>
+	)
+})

beszel/site/src/components/charts/gpu-power-chart.tsx

@@ -0,0 +1,112 @@
+import { CartesianGrid, Line, LineChart, YAxis } from "recharts"
+
+import {
+	ChartContainer,
+	ChartLegend,
+	ChartLegendContent,
+	ChartTooltip,
+	ChartTooltipContent,
+	xAxis,
+} from "@/components/ui/chart"
+import {
+	useYAxisWidth,
+	cn,
+	formatShortDate,
+	toFixedWithoutTrailingZeros,
+	decimalString,
+	chartMargin,
+} from "@/lib/utils"
+import { ChartData } from "@/types"
+import { memo, useMemo } from "react"
+
+export default memo(function GpuPowerChart({ chartData }: { chartData: ChartData }) {
+	const { yAxisWidth, updateYAxisWidth } = useYAxisWidth()
+
+	if (chartData.systemStats.length === 0) {
+		return null
+	}
+
+	/** Format temperature data for chart and assign colors */
+	const newChartData = useMemo(() => {
+		const newChartData = { data: [], colors: {} } as {
+			data: Record<string, number | string>[]
+			colors: Record<string, string>
+		}
+		const powerSums = {} as Record<string, number>
+		for (let data of chartData.systemStats) {
+			let newData = { created: data.created } as Record<string, number | string>
+
+			for (let gpu of Object.values(data.stats?.g ?? {})) {
+				if (gpu.p) {
+					const name = gpu.n
+					newData[name] = gpu.p
+					powerSums[name] = (powerSums[name] ?? 0) + newData[name]
+				}
+			}
+			newChartData.data.push(newData)
+		}
+		const keys = Object.keys(powerSums).sort((a, b) => powerSums[b] - powerSums[a])
+		for (let key of keys) {
+			newChartData.colors[key] = `hsl(${((keys.indexOf(key) * 360) / keys.length) % 360}, 60%, 55%)`
+		}
+		return newChartData
+	}, [chartData])
+
+	const colors = Object.keys(newChartData.colors)
+
+	// console.log('rendered at', new Date())
+
+	return (
+		<div>
+			<ChartContainer
+				className={cn("h-full w-full absolute aspect-auto bg-card opacity-0 transition-opacity", {
+					"opacity-100": yAxisWidth,
+				})}
+			>
+				<LineChart accessibilityLayer data={newChartData.data} margin={chartMargin}>
+					<CartesianGrid vertical={false} />
+					<YAxis
+						direction="ltr"
+						orientation={chartData.orientation}
+						className="tracking-tighter"
+						domain={[0, "auto"]}
+						width={yAxisWidth}
+						tickFormatter={(value) => {
+							const val = toFixedWithoutTrailingZeros(value, 2)
+							return updateYAxisWidth(val + "W")
+						}}
+						tickLine={false}
+						axisLine={false}
+					/>
+					{xAxis(chartData)}
+					<ChartTooltip
+						animationEasing="ease-out"
+						animationDuration={150}
+						// @ts-ignore
+						itemSorter={(a, b) => b.value - a.value}
+						content={
+							<ChartTooltipContent
+								labelFormatter={(_, data) => formatShortDate(data[0].payload.created)}
+								contentFormatter={(item) => decimalString(item.value) + "W"}
+								// indicator="line"
+							/>
+						}
+					/>
+					{colors.map((key) => (
+						<Line
+							key={key}
+							dataKey={key}
+							name={key}
+							type="monotoneX"
+							dot={false}
+							strokeWidth={1.5}
+							stroke={newChartData.colors[key]}
+							isAnimationActive={false}
+						/>
+					))}
+					{colors.length > 1 && <ChartLegend content={<ChartLegendContent />} />}
+				</LineChart>
+			</ChartContainer>
+		</div>
+	)
+})

beszel/site/src/components/charts/mem-chart.tsx

@@ -0,0 +1,102 @@
+import { Area, AreaChart, CartesianGrid, YAxis } from "recharts"
+import { ChartContainer, ChartTooltip, ChartTooltipContent, xAxis } from "@/components/ui/chart"
+import { useYAxisWidth, cn, toFixedFloat, decimalString, formatShortDate, chartMargin } from "@/lib/utils"
+import { memo } from "react"
+import { ChartData } from "@/types"
+import { useLingui } from "@lingui/react/macro"
+
+export default memo(function MemChart({ chartData }: { chartData: ChartData }) {
+	const { yAxisWidth, updateYAxisWidth } = useYAxisWidth()
+	const { t } = useLingui()
+
+	const totalMem = toFixedFloat(chartData.systemStats.at(-1)?.stats.m ?? 0, 1)
+
+	// console.log('rendered at', new Date())
+
+	if (chartData.systemStats.length === 0) {
+		return null
+	}
+
+	return (
+		<div>
+			{/* {!yAxisSet && <Spinner />} */}
+			<ChartContainer
+				className={cn("h-full w-full absolute aspect-auto bg-card opacity-0 transition-opacity", {
+					"opacity-100": yAxisWidth,
+				})}
+			>
+				<AreaChart accessibilityLayer data={chartData.systemStats} margin={chartMargin}>
+					<CartesianGrid vertical={false} />
+					{totalMem && (
+						<YAxis
+							direction="ltr"
+							orientation={chartData.orientation}
+							// use "ticks" instead of domain / tickcount if need more control
+							domain={[0, totalMem]}
+							tickCount={9}
+							className="tracking-tighter"
+							width={yAxisWidth}
+							tickLine={false}
+							axisLine={false}
+							tickFormatter={(value) => {
+								const val = toFixedFloat(value, 1)
+								return updateYAxisWidth(val + " GB")
+							}}
+						/>
+					)}
+					{xAxis(chartData)}
+					<ChartTooltip
+						// cursor={false}
+						animationEasing="ease-out"
+						animationDuration={150}
+						content={
+							<ChartTooltipContent
+								// @ts-ignore
+								itemSorter={(a, b) => a.order - b.order}
+								labelFormatter={(_, data) => formatShortDate(data[0].payload.created)}
+								contentFormatter={(item) => decimalString(item.value) + " GB"}
+								// indicator="line"
+							/>
+						}
+					/>
+					<Area
+						name={t`Used`}
+						order={3}
+						dataKey="stats.mu"
+						type="monotoneX"
+						fill="hsl(var(--chart-2))"
+						fillOpacity={0.4}
+						stroke="hsl(var(--chart-2))"
+						stackId="1"
+						isAnimationActive={false}
+					/>
+					{chartData.systemStats.at(-1)?.stats.mz && (
+						<Area
+							name="ZFS ARC"
+							order={2}
+							dataKey="stats.mz"
+							type="monotoneX"
+							fill="hsla(175 60% 45% / 0.8)"
+							fillOpacity={0.5}
+							stroke="hsla(175 60% 45% / 0.8)"
+							stackId="1"
+							isAnimationActive={false}
+						/>
+					)}
+					<Area
+						name={t`Cache / Buffers`}
+						order={1}
+						dataKey="stats.mb"
+						type="monotoneX"
+						fill="hsla(160 60% 45% / 0.5)"
+						fillOpacity={0.4}
+						// strokeOpacity={1}
+						stroke="hsla(160 60% 45% / 0.5)"
+						stackId="1"
+						isAnimationActive={false}
+					/>
+				</AreaChart>
+			</ChartContainer>
+		</div>
+	)
+})

beszel/site/src/components/charts/swap-chart.tsx

@@ -0,0 +1,67 @@
+import { t } from "@lingui/core/macro";
+
+import { Area, AreaChart, CartesianGrid, YAxis } from "recharts"
+import { ChartContainer, ChartTooltip, ChartTooltipContent, xAxis } from "@/components/ui/chart"
+import {
+	useYAxisWidth,
+	cn,
+	formatShortDate,
+	toFixedWithoutTrailingZeros,
+	decimalString,
+	chartMargin,
+} from "@/lib/utils"
+import { ChartData } from "@/types"
+import { memo } from "react"
+
+export default memo(function SwapChart({ chartData }: { chartData: ChartData }) {
+	const { yAxisWidth, updateYAxisWidth } = useYAxisWidth()
+
+	if (chartData.systemStats.length === 0) {
+		return null
+	}
+
+	return (
+		<div>
+			<ChartContainer
+				className={cn("h-full w-full absolute aspect-auto bg-card opacity-0 transition-opacity", {
+					"opacity-100": yAxisWidth,
+				})}
+			>
+				<AreaChart accessibilityLayer data={chartData.systemStats} margin={chartMargin}>
+					<CartesianGrid vertical={false} />
+					<YAxis
+						direction="ltr"
+						orientation={chartData.orientation}
+						className="tracking-tighter"
+						domain={[0, () => toFixedWithoutTrailingZeros(chartData.systemStats.at(-1)?.stats.s ?? 0.04, 2)]}
+						width={yAxisWidth}
+						tickLine={false}
+						axisLine={false}
+						tickFormatter={(value) => updateYAxisWidth(value + " GB")}
+					/>
+					{xAxis(chartData)}
+					<ChartTooltip
+						animationEasing="ease-out"
+						animationDuration={150}
+						content={
+							<ChartTooltipContent
+								labelFormatter={(_, data) => formatShortDate(data[0].payload.created)}
+								contentFormatter={(item) => decimalString(item.value) + " GB"}
+								// indicator="line"
+							/>
+						}
+					/>
+					<Area
+						dataKey="stats.su"
+						name={t`Used`}
+						type="monotoneX"
+						fill="hsl(var(--chart-2))"
+						fillOpacity={0.4}
+						stroke="hsl(var(--chart-2))"
+						isAnimationActive={false}
+					/>
+				</AreaChart>
+			</ChartContainer>
+		</div>
+	)
+})

beszel/site/src/components/charts/temperature-chart.tsx

@@ -0,0 +1,119 @@
+import { CartesianGrid, Line, LineChart, YAxis } from "recharts"
+
+import {
+	ChartContainer,
+	ChartLegend,
+	ChartLegendContent,
+	ChartTooltip,
+	ChartTooltipContent,
+	xAxis,
+} from "@/components/ui/chart"
+import {
+	useYAxisWidth,
+	cn,
+	formatShortDate,
+	toFixedWithoutTrailingZeros,
+	decimalString,
+	chartMargin,
+} from "@/lib/utils"
+import { ChartData } from "@/types"
+import { memo, useMemo } from "react"
+import { $temperatureFilter } from "@/lib/stores"
+import { useStore } from "@nanostores/react"
+
+export default memo(function TemperatureChart({ chartData }: { chartData: ChartData }) {
+	const filter = useStore($temperatureFilter)
+	const { yAxisWidth, updateYAxisWidth } = useYAxisWidth()
+
+	if (chartData.systemStats.length === 0) {
+		return null
+	}
+
+	/** Format temperature data for chart and assign colors */
+	const newChartData = useMemo(() => {
+		const newChartData = { data: [], colors: {} } as {
+			data: Record<string, number | string>[]
+			colors: Record<string, string>
+		}
+		const tempSums = {} as Record<string, number>
+		for (let data of chartData.systemStats) {
+			let newData = { created: data.created } as Record<string, number | string>
+			let keys = Object.keys(data.stats?.t ?? {})
+			for (let i = 0; i < keys.length; i++) {
+				let key = keys[i]
+				newData[key] = data.stats.t![key]
+				tempSums[key] = (tempSums[key] ?? 0) + newData[key]
+			}
+			newChartData.data.push(newData)
+		}
+		const keys = Object.keys(tempSums).sort((a, b) => tempSums[b] - tempSums[a])
+		for (let key of keys) {
+			newChartData.colors[key] = `hsl(${((keys.indexOf(key) * 360) / keys.length) % 360}, 60%, 55%)`
+		}
+		return newChartData
+	}, [chartData])
+
+	const colors = Object.keys(newChartData.colors)
+
+	// console.log('rendered at', new Date())
+
+	return (
+		<div>
+			<ChartContainer
+				className={cn("h-full w-full absolute aspect-auto bg-card opacity-0 transition-opacity", {
+					"opacity-100": yAxisWidth,
+				})}
+			>
+				<LineChart accessibilityLayer data={newChartData.data} margin={chartMargin}>
+					<CartesianGrid vertical={false} />
+					<YAxis
+						direction="ltr"
+						orientation={chartData.orientation}
+						className="tracking-tighter"
+						domain={[0, "auto"]}
+						width={yAxisWidth}
+						tickFormatter={(value) => {
+							const val = toFixedWithoutTrailingZeros(value, 2)
+							return updateYAxisWidth(val + " °C")
+						}}
+						tickLine={false}
+						axisLine={false}
+					/>
+					{xAxis(chartData)}
+					<ChartTooltip
+						animationEasing="ease-out"
+						animationDuration={150}
+						// @ts-ignore
+						itemSorter={(a, b) => b.value - a.value}
+						content={
+							<ChartTooltipContent
+								labelFormatter={(_, data) => formatShortDate(data[0].payload.created)}
+								contentFormatter={(item) => decimalString(item.value) + " °C"}
+								filter={filter}
+							/>
+						}
+					/>
+					{colors.map((key) => {
+						const filtered = filter && !key.toLowerCase().includes(filter.toLowerCase())
+						let strokeOpacity = filtered ? 0.1 : 1
+						return (
+							<Line
+								key={key}
+								dataKey={key}
+								name={key}
+								type="monotoneX"
+								dot={false}
+								strokeWidth={1.5}
+								stroke={newChartData.colors[key]}
+								strokeOpacity={strokeOpacity}
+								activeDot={{ opacity: filtered ? 0 : 1 }}
+								isAnimationActive={false}
+							/>
+						)
+					})}
+					{colors.length < 12 && <ChartLegend content={<ChartLegendContent />} />}
+				</LineChart>
+			</ChartContainer>
+		</div>
+	)
+})

beszel/site/src/components/command-palette.tsx

@@ -0,0 +1,197 @@
+import {
+	BookIcon,
+	DatabaseBackupIcon,
+	LayoutDashboard,
+	LogsIcon,
+	MailIcon,
+	Server,
+	SettingsIcon,
+	UsersIcon,
+} from "lucide-react"
+
+import {
+	CommandDialog,
+	CommandEmpty,
+	CommandGroup,
+	CommandInput,
+	CommandItem,
+	CommandList,
+	CommandSeparator,
+	CommandShortcut,
+} from "@/components/ui/command"
+import { memo, useEffect, useMemo } from "react"
+import { $systems } from "@/lib/stores"
+import { getHostDisplayValue, isAdmin, listen } from "@/lib/utils"
+import { $router, basePath, navigate, prependBasePath } from "./router"
+import { Trans } from "@lingui/react/macro"
+import { t } from "@lingui/core/macro"
+import { getPagePath } from "@nanostores/router"
+
+export default memo(function CommandPalette({ open, setOpen }: { open: boolean; setOpen: (open: boolean) => void }) {
+	useEffect(() => {
+		const down = (e: KeyboardEvent) => {
+			if (e.key === "k" && (e.metaKey || e.ctrlKey)) {
+				e.preventDefault()
+				setOpen(!open)
+			}
+		}
+		return listen(document, "keydown", down)
+	}, [open, setOpen])
+
+	return useMemo(() => {
+		const systems = $systems.get()
+		return (
+			<CommandDialog open={open} onOpenChange={setOpen}>
+				<CommandInput placeholder={t`Search for systems or settings...`} />
+				<CommandList>
+					<CommandEmpty>
+						<Trans>No results found.</Trans>
+					</CommandEmpty>
+					{systems.length > 0 && (
+						<>
+							<CommandGroup>
+								{systems.map((system) => (
+									<CommandItem
+										key={system.id}
+										onSelect={() => {
+											navigate(getPagePath($router, "system", { name: system.name }))
+											setOpen(false)
+										}}
+									>
+										<Server className="me-2 h-4 w-4" />
+										<span>{system.name}</span>
+										<CommandShortcut>{getHostDisplayValue(system)}</CommandShortcut>
+									</CommandItem>
+								))}
+							</CommandGroup>
+							<CommandSeparator className="mb-1.5" />
+						</>
+					)}
+					<CommandGroup heading={t`Pages / Settings`}>
+						<CommandItem
+							keywords={["home"]}
+							onSelect={() => {
+								navigate(basePath)
+								setOpen(false)
+							}}
+						>
+							<LayoutDashboard className="me-2 h-4 w-4" />
+							<span>
+								<Trans>Dashboard</Trans>
+							</span>
+							<CommandShortcut>
+								<Trans>Page</Trans>
+							</CommandShortcut>
+						</CommandItem>
+						<CommandItem
+							onSelect={() => {
+								navigate(getPagePath($router, "settings", { name: "general" }))
+								setOpen(false)
+							}}
+						>
+							<SettingsIcon className="me-2 h-4 w-4" />
+							<span>
+								<Trans>Settings</Trans>
+							</span>
+							<CommandShortcut>
+								<Trans>Settings</Trans>
+							</CommandShortcut>
+						</CommandItem>
+						<CommandItem
+							keywords={["alerts"]}
+							onSelect={() => {
+								navigate(getPagePath($router, "settings", { name: "notifications" }))
+								setOpen(false)
+							}}
+						>
+							<MailIcon className="me-2 h-4 w-4" />
+							<span>
+								<Trans>Notifications</Trans>
+							</span>
+							<CommandShortcut>
+								<Trans>Settings</Trans>
+							</CommandShortcut>
+						</CommandItem>
+						<CommandItem
+							keywords={["help", "oauth", "oidc"]}
+							onSelect={() => {
+								window.location.href = "https://beszel.dev/guide/what-is-beszel"
+							}}
+						>
+							<BookIcon className="me-2 h-4 w-4" />
+							<span>
+								<Trans>Documentation</Trans>
+							</span>
+							<CommandShortcut>beszel.dev</CommandShortcut>
+						</CommandItem>
+					</CommandGroup>
+					{isAdmin() && (
+						<>
+							<CommandSeparator className="mb-1.5" />
+							<CommandGroup heading={t`Admin`}>
+								<CommandItem
+									keywords={["pocketbase"]}
+									onSelect={() => {
+										setOpen(false)
+										window.open(prependBasePath("/_/"), "_blank")
+									}}
+								>
+									<UsersIcon className="me-2 h-4 w-4" />
+									<span>
+										<Trans>Users</Trans>
+									</span>
+									<CommandShortcut>
+										<Trans>Admin</Trans>
+									</CommandShortcut>
+								</CommandItem>
+								<CommandItem
+									onSelect={() => {
+										setOpen(false)
+										window.open(prependBasePath("/_/#/logs"), "_blank")
+									}}
+								>
+									<LogsIcon className="me-2 h-4 w-4" />
+									<span>
+										<Trans>Logs</Trans>
+									</span>
+									<CommandShortcut>
+										<Trans>Admin</Trans>
+									</CommandShortcut>
+								</CommandItem>
+								<CommandItem
+									onSelect={() => {
+										setOpen(false)
+										window.open(prependBasePath("/_/#/settings/backups"), "_blank")
+									}}
+								>
+									<DatabaseBackupIcon className="me-2 h-4 w-4" />
+									<span>
+										<Trans>Backups</Trans>
+									</span>
+									<CommandShortcut>
+										<Trans>Admin</Trans>
+									</CommandShortcut>
+								</CommandItem>
+								<CommandItem
+									keywords={["email"]}
+									onSelect={() => {
+										setOpen(false)
+										window.open(prependBasePath("/_/#/settings/mail"), "_blank")
+									}}
+								>
+									<MailIcon className="me-2 h-4 w-4" />
+									<span>
+										<Trans>SMTP settings</Trans>
+									</span>
+									<CommandShortcut>
+										<Trans>Admin</Trans>
+									</CommandShortcut>
+								</CommandItem>
+							</CommandGroup>
+						</>
+					)}
+				</CommandList>
+			</CommandDialog>
+		)
+	}, [open])
+})

beszel/site/src/components/copy-to-clipboard.tsx

@@ -0,0 +1,51 @@
+import { Trans } from "@lingui/react/macro";
+import { useEffect, useMemo, useRef } from "react"
+import { Dialog, DialogContent, DialogDescription, DialogHeader, DialogTitle } from "./ui/dialog"
+import { Textarea } from "./ui/textarea"
+import { $copyContent } from "@/lib/stores"
+
+export default function CopyToClipboard({ content }: { content: string }) {
+	return (
+		<Dialog defaultOpen={true}>
+			<DialogContent className="w-[90%] rounded-lg md:pt-4" style={{ maxWidth: 530 }}>
+				<DialogHeader>
+					<DialogTitle>
+						<Trans>Copy text</Trans>
+					</DialogTitle>
+					<DialogDescription className="hidden xs:block">
+						<Trans>Automatic copy requires a secure context.</Trans>
+					</DialogDescription>
+				</DialogHeader>
+				<CopyTextarea content={content} />
+			</DialogContent>
+		</Dialog>
+	)
+}
+
+function CopyTextarea({ content }: { content: string }) {
+	const textareaRef = useRef<HTMLTextAreaElement>(null)
+
+	const rows = useMemo(() => {
+		return content.split("\n").length
+	}, [content])
+
+	useEffect(() => {
+		if (textareaRef.current) {
+			textareaRef.current.select()
+		}
+	}, [textareaRef])
+
+	useEffect(() => {
+		return () => $copyContent.set("")
+	}, [])
+
+	return (
+		<Textarea
+			className="font-mono overflow-hidden whitespace-pre"
+			rows={rows}
+			value={content}
+			readOnly
+			ref={textareaRef}
+		/>
+	)
+}

beszel/site/src/components/lang-toggle.tsx

@@ -0,0 +1,34 @@
+import { LanguagesIcon } from "lucide-react"
+
+import { Button } from "@/components/ui/button"
+import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from "@/components/ui/dropdown-menu"
+import languages from "@/lib/languages"
+import { cn } from "@/lib/utils"
+import { useLingui } from "@lingui/react/macro"
+import { dynamicActivate } from "@/lib/i18n"
+
+export function LangToggle() {
+	const { i18n } = useLingui()
+
+	return (
+		<DropdownMenu>
+			<DropdownMenuTrigger asChild>
+				<Button variant={"ghost"} size="icon" className="hidden 450:flex">
+					<LanguagesIcon className="absolute h-[1.2rem] w-[1.2rem] light:opacity-85" />
+					<span className="sr-only">Language</span>
+				</Button>
+			</DropdownMenuTrigger>
+			<DropdownMenuContent className="grid grid-cols-3">
+				{languages.map(({ lang, label, e }) => (
+					<DropdownMenuItem
+						key={lang}
+						className={cn("px-2.5 flex gap-2.5", lang === i18n.locale && "font-semibold")}
+						onClick={() => dynamicActivate(lang)}
+					>
+						<span>{e}</span> {label}
+					</DropdownMenuItem>
+				))}
+			</DropdownMenuContent>
+		</DropdownMenu>
+	)
+}

beszel/site/src/components/login/auth-form.tsx

@@ -0,0 +1,333 @@
+import { t } from "@lingui/core/macro";
+import { Trans } from "@lingui/react/macro";
+import { cn } from "@/lib/utils"
+import { buttonVariants } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { Label } from "@/components/ui/label"
+import { LoaderCircle, LockIcon, LogInIcon, MailIcon } from "lucide-react"
+import { $authenticated, pb } from "@/lib/stores"
+import * as v from "valibot"
+import { toast } from "../ui/use-toast"
+import { Dialog, DialogContent, DialogTrigger, DialogHeader, DialogTitle } from "@/components/ui/dialog"
+import { useCallback, useEffect, useState } from "react"
+import { AuthMethodsList, AuthProviderInfo, OAuth2AuthConfig } from "pocketbase"
+import { $router, Link, prependBasePath } from "../router"
+import { getPagePath } from "@nanostores/router"
+
+const honeypot = v.literal("")
+const emailSchema = v.pipe(v.string(), v.email(t`Invalid email address.`))
+const passwordSchema = v.pipe(
+	v.string(),
+	v.minLength(8, t`Password must be at least 8 characters.`),
+	v.maxBytes(72, t`Password must be less than 72 bytes.`)
+)
+
+const LoginSchema = v.looseObject({
+	name: honeypot,
+	email: emailSchema,
+	password: passwordSchema,
+})
+
+const RegisterSchema = v.looseObject({
+	name: honeypot,
+	email: emailSchema,
+	password: passwordSchema,
+	passwordConfirm: passwordSchema,
+})
+
+const showLoginFaliedToast = () => {
+	toast({
+		title: t`Login attempt failed`,
+		description: t`Please check your credentials and try again`,
+		variant: "destructive",
+	})
+}
+
+export function UserAuthForm({
+	className,
+	isFirstRun,
+	authMethods,
+	...props
+}: {
+	className?: string
+	isFirstRun: boolean
+	authMethods: AuthMethodsList
+}) {
+	const [isLoading, setIsLoading] = useState<boolean>(false)
+	const [isOauthLoading, setIsOauthLoading] = useState<boolean>(false)
+	const [errors, setErrors] = useState<Record<string, string | undefined>>({})
+
+	const handleSubmit = useCallback(
+		async (e: React.FormEvent<HTMLFormElement>) => {
+			e.preventDefault()
+			setIsLoading(true)
+			// store email for later use if mfa is enabled
+			let email = ""
+			try {
+				const formData = new FormData(e.target as HTMLFormElement)
+				const data = Object.fromEntries(formData) as Record<string, any>
+				const Schema = isFirstRun ? RegisterSchema : LoginSchema
+				const result = v.safeParse(Schema, data)
+				if (!result.success) {
+					console.log(result)
+					let errors = {}
+					for (const issue of result.issues) {
+						// @ts-ignore
+						errors[issue.path[0].key] = issue.message
+					}
+					setErrors(errors)
+					return
+				}
+				const { password, passwordConfirm } = result.output
+				email = result.output.email
+				if (isFirstRun) {
+					// check that passwords match
+					if (password !== passwordConfirm) {
+						let msg = "Passwords do not match"
+						setErrors({ passwordConfirm: msg })
+						return
+					}
+					await pb.send("/api/beszel/create-user", {
+						method: "POST",
+						body: JSON.stringify({ email, password }),
+					})
+					await pb.collection("users").authWithPassword(email, password)
+				} else {
+					await pb.collection("users").authWithPassword(email, password)
+				}
+				$authenticated.set(true)
+			} catch (err: any) {
+				showLoginFaliedToast()
+				// todo: implement MFA
+				// const mfaId = err.response?.mfaId
+				// if (!mfaId) {
+				// 	showLoginFaliedToast()
+				// 	throw err
+				// }
+				// the user needs to authenticate again with another auth method, for example OTP
+				// const result = await pb.collection("users").requestOTP(email)
+				// ... show a modal for users to check their email and to enter the received code ...
+				// await pb.collection("users").authWithOTP(result.otpId, "EMAIL_CODE", { mfaId: mfaId })
+			} finally {
+				setIsLoading(false)
+			}
+		},
+		[isFirstRun]
+	)
+
+	if (!authMethods) {
+		return null
+	}
+
+	const authProviders = authMethods.oauth2.providers ?? []
+	const oauthEnabled = authMethods.oauth2.enabled && authProviders.length > 0
+	const passwordEnabled = authMethods.password.enabled
+
+	function loginWithOauth(provider: AuthProviderInfo, forcePopup = false) {
+		setIsOauthLoading(true)
+		const oAuthOpts: OAuth2AuthConfig = {
+			provider: provider.name,
+		}
+		// https://github.com/pocketbase/pocketbase/discussions/2429#discussioncomment-5943061
+		if (forcePopup || navigator.userAgent.match(/iPhone|iPad|iPod/i)) {
+			const authWindow = window.open()
+			if (!authWindow) {
+				setIsOauthLoading(false)
+				toast({
+					title: t`Error`,
+					description: t`Please enable pop-ups for this site`,
+				})
+				return
+			}
+			oAuthOpts.urlCallback = (url) => {
+				authWindow.location.href = url
+			}
+		}
+		pb.collection("users")
+			.authWithOAuth2(oAuthOpts)
+			.then(() => {
+				$authenticated.set(pb.authStore.isValid)
+			})
+			.catch(showLoginFaliedToast)
+			.finally(() => {
+				setIsOauthLoading(false)
+			})
+	}
+
+	useEffect(() => {
+		// auto login if password disabled and only one auth provider
+		if (!passwordEnabled && authProviders.length === 1 && !sessionStorage.getItem("lo")) {
+			// Add a small timeout to ensure browser is ready to handle popups
+			setTimeout(() => {
+				loginWithOauth(authProviders[0], true)
+			}, 300)
+		}
+	}, [])
+
+	return (
+        <div className={cn("grid gap-6", className)} {...props}>
+            {passwordEnabled && (
+				<>
+					<form onSubmit={handleSubmit} onChange={() => setErrors({})}>
+						<div className="grid gap-2.5">
+							<div className="grid gap-1 relative">
+								<MailIcon className="absolute left-3 top-3 h-4 w-4 text-muted-foreground" />
+								<Label className="sr-only" htmlFor="email">
+									<Trans>Email</Trans>
+								</Label>
+								<Input
+									id="email"
+									name="email"
+									required
+									placeholder="name@example.com"
+									type="text"
+									autoCapitalize="none"
+									autoComplete="email"
+									autoCorrect="off"
+									disabled={isLoading || isOauthLoading}
+									className={cn("ps-9", errors?.email && "border-red-500")}
+								/>
+								{errors?.email && <p className="px-1 text-xs text-red-600">{errors.email}</p>}
+							</div>
+							<div className="grid gap-1 relative">
+								<LockIcon className="absolute left-3 top-3 h-4 w-4 text-muted-foreground" />
+								<Label className="sr-only" htmlFor="pass">
+									<Trans>Password</Trans>
+								</Label>
+								<Input
+									id="pass"
+									name="password"
+									placeholder={t`Password`}
+									required
+									type="password"
+									autoComplete="current-password"
+									disabled={isLoading || isOauthLoading}
+									className={cn("ps-9", errors?.password && "border-red-500")}
+								/>
+								{errors?.password && <p className="px-1 text-xs text-red-600">{errors.password}</p>}
+							</div>
+							{isFirstRun && (
+								<div className="grid gap-1 relative">
+									<LockIcon className="absolute left-3 top-3 h-4 w-4 text-muted-foreground" />
+									<Label className="sr-only" htmlFor="pass2">
+										<Trans>Confirm password</Trans>
+									</Label>
+									<Input
+										id="pass2"
+										name="passwordConfirm"
+										placeholder={t`Confirm password`}
+										required
+										type="password"
+										autoComplete="current-password"
+										disabled={isLoading || isOauthLoading}
+										className={cn("ps-9", errors?.password && "border-red-500")}
+									/>
+									{errors?.passwordConfirm && <p className="px-1 text-xs text-red-600">{errors.passwordConfirm}</p>}
+								</div>
+							)}
+							<div className="sr-only">
+								{/* honeypot */}
+								<label htmlFor="name"></label>
+								<input id="name" type="text" name="name" tabIndex={-1} autoComplete="off" />
+							</div>
+							<button className={cn(buttonVariants())} disabled={isLoading}>
+								{isLoading ? (
+									<LoaderCircle className="me-2 h-4 w-4 animate-spin" />
+								) : (
+									<LogInIcon className="me-2 h-4 w-4" />
+								)}
+								{isFirstRun ? t`Create account` : t`Sign in`}
+							</button>
+						</div>
+					</form>
+					{(isFirstRun || oauthEnabled) && (
+						// only show 'continue with' during onboarding or if we have auth providers
+						(<div className="relative">
+                            <div className="absolute inset-0 flex items-center">
+								<span className="w-full border-t" />
+							</div>
+                            <div className="relative flex justify-center text-xs uppercase">
+								<span className="bg-background px-2 text-muted-foreground">
+									<Trans>Or continue with</Trans>
+								</span>
+							</div>
+                        </div>)
+					)}
+				</>
+			)}
+            {oauthEnabled && (
+				<div className="grid gap-2 -mt-1">
+					{authMethods.oauth2.providers.map((provider) => (
+						<button
+							key={provider.name}
+							type="button"
+							className={cn(buttonVariants({ variant: "outline" }), {
+								"justify-self-center": !passwordEnabled,
+								"px-5": !passwordEnabled,
+							})}
+							onClick={() => loginWithOauth(provider)}
+							disabled={isLoading || isOauthLoading}
+						>
+							{isOauthLoading ? (
+								<LoaderCircle className="me-2 h-4 w-4 animate-spin" />
+							) : (
+								<img
+									className="me-2 h-4 w-4 dark:brightness-0 dark:invert"
+									src={prependBasePath(`/_/images/oauth2/${provider.name}.svg`)}
+									alt=""
+									// onError={(e) => {
+									// 	e.currentTarget.src = "/static/lock.svg"
+									// }}
+								/>
+							)}
+							<span className="translate-y-[1px]">{provider.displayName}</span>
+						</button>
+					))}
+				</div>
+			)}
+            {!oauthEnabled && isFirstRun && (
+				// only show GitHub button / dialog during onboarding
+				(<Dialog>
+                    <DialogTrigger asChild>
+						<button type="button" className={cn(buttonVariants({ variant: "outline" }))}>
+							<img className="me-2 h-4 w-4 dark:invert" src={prependBasePath("/_/images/oauth2/github.svg")} alt="" />
+							<span className="translate-y-[1px]">GitHub</span>
+						</button>
+					</DialogTrigger>
+                    <DialogContent style={{ maxWidth: 440, width: "90%" }}>
+						<DialogHeader>
+							<DialogTitle>
+								<Trans>OAuth 2 / OIDC support</Trans>
+							</DialogTitle>
+						</DialogHeader>
+						<div className="text-primary/70 text-[0.95em] contents">
+							<p>
+								<Trans>Beszel supports OpenID Connect and many OAuth2 authentication providers.</Trans>
+							</p>
+							<p>
+								<Trans>
+									Please see{" "}
+									<a
+										href="https://beszel.dev/guide/oauth"
+										className={cn(buttonVariants({ variant: "link" }), "p-0 h-auto")}
+									>
+										the documentation
+									</a>{" "}
+									for instructions.
+								</Trans>
+							</p>
+						</div>
+					</DialogContent>
+                </Dialog>)
+			)}
+            {passwordEnabled && !isFirstRun && (
+				<Link
+					href={getPagePath($router, "forgot_password")}
+					className="text-sm mx-auto hover:text-brand underline underline-offset-4 opacity-70 hover:opacity-100 transition-opacity"
+				>
+					<Trans>Forgot password?</Trans>
+				</Link>
+			)}
+        </div>
+    );
+}

beszel/site/src/components/login/forgot-pass-form.tsx

@@ -0,0 +1,111 @@
+import { Trans } from "@lingui/react/macro";
+import { t } from "@lingui/core/macro";
+import { LoaderCircle, MailIcon, SendHorizonalIcon } from "lucide-react"
+import { Input } from "../ui/input"
+import { Label } from "../ui/label"
+import { useCallback, useState } from "react"
+import { toast } from "../ui/use-toast"
+import { buttonVariants } from "../ui/button"
+import { cn } from "@/lib/utils"
+import { pb } from "@/lib/stores"
+import { Dialog, DialogHeader } from "../ui/dialog"
+import { DialogContent, DialogTrigger, DialogTitle } from "../ui/dialog"
+
+const showLoginFaliedToast = () => {
+	toast({
+		title: t`Login attempt failed`,
+		description: t`Please check your credentials and try again`,
+		variant: "destructive",
+	})
+}
+
+export default function ForgotPassword() {
+	const [isLoading, setIsLoading] = useState<boolean>(false)
+	const [email, setEmail] = useState("")
+
+	const handleSubmit = useCallback(
+		async (e: React.FormEvent<HTMLFormElement>) => {
+			e.preventDefault()
+			setIsLoading(true)
+			try {
+				// console.log(email)
+				await pb.collection("users").requestPasswordReset(email)
+				toast({
+					title: t`Password reset request received`,
+					description: t`Check ${email} for a reset link.`,
+				})
+			} catch (e) {
+				showLoginFaliedToast()
+			} finally {
+				setIsLoading(false)
+				setEmail("")
+			}
+		},
+		[email]
+	)
+
+	return (
+		<>
+			<form onSubmit={handleSubmit}>
+				<div className="grid gap-3">
+					<div className="grid gap-1 relative">
+						<MailIcon className="absolute left-3 top-3 h-4 w-4 text-muted-foreground" />
+						<Label className="sr-only" htmlFor="email">
+							<Trans>Email</Trans>
+						</Label>
+						<Input
+							value={email}
+							onChange={(e) => setEmail(e.target.value)}
+							id="email"
+							name="email"
+							required
+							placeholder="name@example.com"
+							type="email"
+							autoCapitalize="none"
+							autoComplete="email"
+							autoCorrect="off"
+							disabled={isLoading}
+							className="ps-9"
+						/>
+					</div>
+					<button className={cn(buttonVariants())} disabled={isLoading}>
+						{isLoading ? (
+							<LoaderCircle className="me-2 h-4 w-4 animate-spin" />
+						) : (
+							<SendHorizonalIcon className="me-2 h-4 w-4" />
+						)}
+						<Trans>Reset Password</Trans>
+					</button>
+				</div>
+			</form>
+			<Dialog>
+				<DialogTrigger asChild>
+					<button className="text-sm mx-auto hover:text-brand underline underline-offset-4 opacity-70 hover:opacity-100 transition-opacity">
+						<Trans>Command line instructions</Trans>
+					</button>
+				</DialogTrigger>
+				<DialogContent className="max-w-[41em]">
+					<DialogHeader>
+						<DialogTitle>
+							<Trans>Command line instructions</Trans>
+						</DialogTitle>
+					</DialogHeader>
+					<p className="text-primary/70 text-[0.95em] leading-relaxed">
+						<Trans>
+							If you've lost the password to your admin account, you may reset it using the following command.
+						</Trans>
+					</p>
+					<p className="text-primary/70 text-[0.95em] leading-relaxed">
+						<Trans>Then log into the backend and reset your user account password in the users table.</Trans>
+					</p>
+					<code className="bg-muted rounded-sm py-0.5 px-2.5 me-auto text-sm">
+						./beszel superuser upsert user@example.com password
+					</code>
+					<code className="bg-muted rounded-sm py-0.5 px-2.5 me-auto text-sm">
+						docker exec beszel /beszel superuser upsert name@example.com password
+					</code>
+				</DialogContent>
+			</Dialog>
+		</>
+	)
+}

beszel/site/src/components/login/login.tsx

@@ -0,0 +1,70 @@
+import { t } from "@lingui/core/macro";
+import { UserAuthForm } from "@/components/login/auth-form"
+import { Logo } from "../logo"
+import { useEffect, useMemo, useState } from "react"
+import { pb } from "@/lib/stores"
+import { useStore } from "@nanostores/react"
+import ForgotPassword from "./forgot-pass-form"
+import { $router } from "../router"
+import { AuthMethodsList } from "pocketbase"
+import { useTheme } from "../theme-provider"
+
+export default function () {
+	const page = useStore($router)
+	const [isFirstRun, setFirstRun] = useState(false)
+	const [authMethods, setAuthMethods] = useState<AuthMethodsList>()
+	const { theme } = useTheme()
+
+	useEffect(() => {
+		document.title = t`Login` + " / Beszel"
+
+		pb.send("/api/beszel/first-run", {}).then(({ firstRun }) => {
+			setFirstRun(firstRun)
+		})
+	}, [])
+
+	useEffect(() => {
+		pb.collection("users")
+			.listAuthMethods()
+			.then((methods) => {
+				setAuthMethods(methods)
+			})
+	}, [])
+
+	const subtitle = useMemo(() => {
+		if (isFirstRun) {
+			return t`Please create an admin account`
+		} else if (page?.route === "forgot_password") {
+			return t`Enter email address to reset password`
+		} else {
+			return t`Please sign in to your account`
+		}
+	}, [isFirstRun, page])
+
+	if (!authMethods) {
+		return null
+	}
+
+	return (
+		<div className="min-h-svh grid items-center py-12">
+			<div
+				className="grid gap-5 w-full px-4 mx-auto"
+				// @ts-ignore
+				style={{ maxWidth: "22em", "--border": theme == "light" ? "30 8% 80%" : "220 3% 20%" }}
+			>
+				<div className="text-center">
+					<h1 className="mb-3">
+						<Logo className="h-7 fill-foreground mx-auto" />
+						<span className="sr-only">Beszel</span>
+					</h1>
+					<p className="text-sm text-muted-foreground">{subtitle}</p>
+				</div>
+				{page?.route === "forgot_password" ? (
+					<ForgotPassword />
+				) : (
+					<UserAuthForm isFirstRun={isFirstRun} authMethods={authMethods} />
+				)}
+			</div>
+		</div>
+	)
+}

beszel/site/src/components/logo.tsx

@@ -0,0 +1,17 @@
+export function Logo({ className }: { className?: string }) {
+	return (
+		// Righteous
+		<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 285 75" className={className}>
+			{/* <defs>
+				<linearGradient id="gradient" x1="0%" y1="20%" x2="100%" y2="120%">
+					<stop offset="0%" style={{ stopColor: "#747bff" }} />
+					<stop offset="100%" style={{ stopColor: "#24eb5c" }} />
+				</linearGradient>
+			</defs> */}
+			<path
+				// fill="url(#gradient)"
+				d="M146.4 73.1h-30.5V59.8h30.5a3.2 3.2 0 0 0 2.3-1 3.2 3.2 0 0 0 1-2.3q0-.8-.3-1.3a1.5 1.5 0 0 0-.7-.6 4.7 4.7 0 0 0-1-.3l-1.3-.1h-13.9q-3.4 0-6.5-1.3-3-1.3-5.2-3.6a16.9 16.9 0 0 1-3.6-5.3 16.3 16.3 0 0 1-1.3-6.5 16.4 16.4 0 0 1 1.3-6.4q1.3-3.1 3.6-5.4 2.2-2.2 5.2-3.5a16.3 16.3 0 0 1 6.5-1.3h27v13.3h-27a3.2 3.2 0 0 0-2.3 1 3.2 3.2 0 0 0-1 2.3 3.3 3.3 0 0 0 1 2.4 3.3 3.3 0 0 0 1.2.8 3.2 3.2 0 0 0 1.1.2h13.9a18.1 18.1 0 0 1 6 1 17.3 17.3 0 0 1 .4.2q3 1.1 5.3 3.2a15.1 15.1 0 0 1 3.6 4.9 14.7 14.7 0 0 1 1.3 5.4 17.2 17.2 0 0 1 0 .9 16 16 0 0 1-1 5.8 15.4 15.4 0 0 1-.3.7 17.3 17.3 0 0 1-3.6 5.2 16.4 16.4 0 0 1-5.3 3.6 16.2 16.2 0 0 1-6.4 1.3Zm64.5-13.3v13.3h-43.6l22-39h-22V21h43.6l-22 39h22ZM35 73.1H0v-70h35q4.4 0 8.2 1.6a21.4 21.4 0 0 1 6.6 4.6q2.9 2.8 4.5 6.6 1.7 3.8 1.7 8.2a15.4 15.4 0 0 1-.3 3.2 17.6 17.6 0 0 1-.2.8 19.4 19.4 0 0 1-1.5 4 17 17 0 0 1-2.4 3.4 13.5 13.5 0 0 1-2.6 2.3 12.5 12.5 0 0 1-.4.3q1.7 1 3 2.5 1.4 1.6 2.4 3.5a18.3 18.3 0 0 1 1.5 4A17.4 17.4 0 0 1 56 51a15.3 15.3 0 0 1 0 1.1q0 4.3-1.7 8.2a21.4 21.4 0 0 1-4.5 6.6q-2.8 2.9-6.6 4.5-3.8 1.7-8.2 1.7Zm76-43L86 60.4l1.5.3a16.7 16.7 0 0 0 1.6 0q2 0 3.8-.4 1.8-.6 3.4-1.6 1.6-1 2.8-2.4a12.8 12.8 0 0 0 2-3.2l9.8 9.8q-1.9 2.6-4.3 4.7a27 27 0 0 1-5.2 3.6 26.1 26.1 0 0 1-6 2.2 26.8 26.8 0 0 1-6.3.8 26.4 26.4 0 0 1-10.4-2 26.2 26.2 0 0 1-8.5-5.8 26.7 26.7 0 0 1-5.5-8.3 30.4 30.4 0 0 1-.2-.4q-2.1-5-2.1-11.1a31.9 31.9 0 0 1 .7-7 27 27 0 0 1 1.4-4.3 27 27 0 0 1 3.8-6.6 24.5 24.5 0 0 1 2-2.2 26 26 0 0 1 8.4-5.6 27 27 0 0 1 10.4-2 26.3 26.3 0 0 1 6.4.8 26.9 26.9 0 0 1 6 2.2q2.7 1.5 5.2 3.6 2.4 2.1 4.3 4.8Zm152.3 0-25 30.2 1.5.3a16.7 16.7 0 0 0 1.6 0q2 0 3.8-.4 1.8-.6 3.4-1.6 1.5-1 2.8-2.4a12.8 12.8 0 0 0 2-3.2l9.8 9.8q-1.9 2.6-4.3 4.7a27 27 0 0 1-5.2 3.6 26.1 26.1 0 0 1-6 2.2 26.8 26.8 0 0 1-6.3.8 26.4 26.4 0 0 1-10.4-2 26.2 26.2 0 0 1-8.5-5.8A26.7 26.7 0 0 1 217 58a30.4 30.4 0 0 1-.2-.4q-2.1-5-2.1-11.1a31.9 31.9 0 0 1 .7-7 27 27 0 0 1 1.4-4.3 27 27 0 0 1 3.8-6.6 24.5 24.5 0 0 1 2-2.2 26 26 0 0 1 8.4-5.6 27 27 0 0 1 10.4-2 26.3 26.3 0 0 1 6.4.8 26.9 26.9 0 0 1 6 2.2q2.7 1.5 5.2 3.6 2.4 2.1 4.3 4.8ZM283.4 0v73.1H270V0h13.4ZM14 17v14.1h21a7 7 0 0 0 2.3-.4 6.6 6.6 0 0 0 .4-.1Q39 30 40 29a6.9 6.9 0 0 0 1.5-2.3q.5-1.3.5-2.7a7 7 0 0 0-.4-2.3 6.6 6.6 0 0 0-.1-.5q-.6-1.2-1.5-2.2a7 7 0 0 0-2.3-1.5 6.9 6.9 0 0 0-2.5-.5 7.9 7.9 0 0 0-.2 0H14Zm0 28.1v14h21a7 7 0 0 0 2.3-.4 6.6 6.6 0 0 0 .4-.2Q39 58 40 57.1a7 7 0 0 0 1.5-2.3 6.9 6.9 0 0 0 .5-2.5 7.9 7.9 0 0 0 0-.2 7 7 0 0 0-.4-2.3 6.6 6.6 0 0 0-.1-.4Q40.9 48 40 47a7 7 0 0 0-2.3-1.4 6.9 6.9 0 0 0-2.5-.6 7.9 7.9 0 0 0-.2 0H14Zm63.3 8.3 15.5-20.6a8 8 0 0 0-1.4-.4 7 7 0 0 0-.4 0 17.2 17.2 0 0 0-1.6-.1 19.2 19.2 0 0 0-.3 0 13.3 13.3 0 0 0-5.1 1q-2.5 1-4.2 2.8a13.1 13.1 0 0 0-2.5 3.6 15.5 15.5 0 0 0-.3.9 14.7 14.7 0 0 0-1 3.5 18.7 18.7 0 0 0 0 2.4 17.6 17.6 0 0 0 0 .7v.8a29.4 29.4 0 0 0 0 .1 19.2 19.2 0 0 0 .2 2 20.2 20.2 0 0 0 .4 1.6 18.6 18.6 0 0 0 0 .2 7.5 7.5 0 0 0 .4.9 6 6 0 0 0 .3.6Zm152.3 0L245 32.8a8 8 0 0 0-1.4-.4 7 7 0 0 0-.4 0 17.2 17.2 0 0 0-1.6-.1 19.2 19.2 0 0 0-.3 0 13.3 13.3 0 0 0-5.1 1q-2.5 1-4.2 2.8a13.1 13.1 0 0 0-2.5 3.6 15.5 15.5 0 0 0-.4.9 14.7 14.7 0 0 0-.8 3.5 18.7 18.7 0 0 0-.2 2.4 17.6 17.6 0 0 0 0 .7v.8a29.4 29.4 0 0 0 .1.1 19.2 19.2 0 0 0 .2 2 20.2 20.2 0 0 0 .4 1.6 18.6 18.6 0 0 0 0 .2 7.5 7.5 0 0 0 .4.9 6 6 0 0 0 .3.6Z"
+			/>
+		</svg>
+	)
+}

beszel/site/src/components/mode-toggle.tsx

@@ -0,0 +1,56 @@
+import { Trans } from "@lingui/react/macro";
+import { t } from "@lingui/core/macro";
+import { LaptopIcon, MoonStarIcon, SunIcon } from "lucide-react"
+
+import { Button } from "@/components/ui/button"
+import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from "@/components/ui/dropdown-menu"
+import { useTheme } from "@/components/theme-provider"
+import { cn } from "@/lib/utils"
+
+export function ModeToggle() {
+	const { theme, setTheme } = useTheme()
+
+	const options = [
+		{
+			theme: "light",
+			Icon: SunIcon,
+			label: <Trans comment="Light theme">Light</Trans>,
+		},
+		{
+			theme: "dark",
+			Icon: MoonStarIcon,
+			label: <Trans comment="Dark theme">Dark</Trans>,
+		},
+		{
+			theme: "system",
+			Icon: LaptopIcon,
+			label: <Trans comment="System theme">System</Trans>,
+		},
+	]
+
+	return (
+		<DropdownMenu>
+			<DropdownMenuTrigger asChild>
+				<Button variant={"ghost"} size="icon" aria-label={t`Toggle theme`}>
+					<SunIcon className="h-[1.2rem] w-[1.2rem] dark:opacity-0" />
+					<MoonStarIcon className="absolute h-[1.2rem] w-[1.2rem] opacity-0 dark:opacity-100" />
+				</Button>
+			</DropdownMenuTrigger>
+			<DropdownMenuContent>
+				{options.map((opt) => {
+					const selected = opt.theme === theme
+					return (
+						<DropdownMenuItem
+							key={opt.theme}
+							className={cn("px-2.5", selected ? "font-semibold" : "")}
+							onClick={() => setTheme(opt.theme as "dark" | "light" | "system")}
+						>
+							<opt.Icon className={cn("me-2 h-4 w-4 opacity-80", selected && "opacity-100")} />
+							{opt.label}
+						</DropdownMenuItem>
+					)
+				})}
+			</DropdownMenuContent>
+		</DropdownMenu>
+	)
+}

beszel/site/src/components/navbar.tsx

@@ -0,0 +1,146 @@
+import { Trans } from "@lingui/react/macro";
+import { useState, lazy, Suspense } from "react"
+import { Button, buttonVariants } from "@/components/ui/button"
+import {
+	DatabaseBackupIcon,
+	LogOutIcon,
+	LogsIcon,
+	SearchIcon,
+	ServerIcon,
+	SettingsIcon,
+	UserIcon,
+	UsersIcon,
+} from "lucide-react"
+import { $router, basePath, Link, prependBasePath } from "./router"
+import { LangToggle } from "./lang-toggle"
+import { ModeToggle } from "./mode-toggle"
+import { Logo } from "./logo"
+import { pb } from "@/lib/stores"
+import { cn, isReadOnlyUser, isAdmin, logOut } from "@/lib/utils"
+import {
+	DropdownMenu,
+	DropdownMenuTrigger,
+	DropdownMenuContent,
+	DropdownMenuLabel,
+	DropdownMenuSeparator,
+	DropdownMenuGroup,
+	DropdownMenuItem,
+} from "@/components/ui/dropdown-menu"
+import { AddSystemButton } from "./add-system"
+import { getPagePath } from "@nanostores/router"
+
+const CommandPalette = lazy(() => import("./command-palette"))
+
+const isMac = navigator.platform.toUpperCase().indexOf("MAC") >= 0
+
+export default function Navbar() {
+	return (
+		<div className="flex items-center h-14 md:h-16 bg-card px-4 pe-3 sm:px-6 border border-border/60 bt-0 rounded-md my-4">
+			<Link href={basePath} aria-label="Home" className="p-2 ps-0 me-3">
+				<Logo className="h-[1.1rem] md:h-5 fill-foreground" />
+			</Link>
+			<SearchButton />
+
+			<div className="flex items-center ms-auto">
+				<LangToggle />
+				<ModeToggle />
+				<Link
+					href={getPagePath($router, "settings", { name: "general" })}
+					aria-label="Settings"
+					className={cn("", buttonVariants({ variant: "ghost", size: "icon" }))}
+				>
+					<SettingsIcon className="h-[1.2rem] w-[1.2rem]" />
+				</Link>
+				<DropdownMenu>
+					<DropdownMenuTrigger asChild>
+						<button aria-label="User Actions" className={cn("", buttonVariants({ variant: "ghost", size: "icon" }))}>
+							<UserIcon className="h-[1.2rem] w-[1.2rem]" />
+						</button>
+					</DropdownMenuTrigger>
+					<DropdownMenuContent align={isReadOnlyUser() ? "end" : "center"} className="min-w-44">
+						<DropdownMenuLabel>{pb.authStore.record?.email}</DropdownMenuLabel>
+						<DropdownMenuSeparator />
+						<DropdownMenuGroup>
+							{isAdmin() && (
+								<>
+									<DropdownMenuItem asChild>
+										<a href={prependBasePath("/_/")} target="_blank">
+											<UsersIcon className="me-2.5 h-4 w-4" />
+											<span>
+												<Trans>Users</Trans>
+											</span>
+										</a>
+									</DropdownMenuItem>
+									<DropdownMenuItem asChild>
+										<a href={prependBasePath("/_/#/collections?collection=systems")} target="_blank">
+											<ServerIcon className="me-2.5 h-4 w-4" />
+											<span>
+												<Trans>Systems</Trans>
+											</span>
+										</a>
+									</DropdownMenuItem>
+									<DropdownMenuItem asChild>
+										<a href={prependBasePath("/_/#/logs")} target="_blank">
+											<LogsIcon className="me-2.5 h-4 w-4" />
+											<span>
+												<Trans>Logs</Trans>
+											</span>
+										</a>
+									</DropdownMenuItem>
+									<DropdownMenuItem asChild>
+										<a href={prependBasePath("/_/#/settings/backups")} target="_blank">
+											<DatabaseBackupIcon className="me-2.5 h-4 w-4" />
+											<span>
+												<Trans>Backups</Trans>
+											</span>
+										</a>
+									</DropdownMenuItem>
+									<DropdownMenuSeparator />
+								</>
+							)}
+						</DropdownMenuGroup>
+						<DropdownMenuItem onSelect={logOut}>
+							<LogOutIcon className="me-2.5 h-4 w-4" />
+							<span>
+								<Trans>Log Out</Trans>
+							</span>
+						</DropdownMenuItem>
+					</DropdownMenuContent>
+				</DropdownMenu>
+				<AddSystemButton className="ms-2" />
+			</div>
+		</div>
+	)
+}
+
+function SearchButton() {
+	const [open, setOpen] = useState(false)
+
+	const Kbd = ({ children }: { children: React.ReactNode }) => (
+		<kbd className="pointer-events-none inline-flex h-5 select-none items-center gap-1 rounded border bg-muted px-1.5 font-mono text-[10px] font-medium text-muted-foreground opacity-100">
+			{children}
+		</kbd>
+	)
+
+	return (
+		<>
+			<Button
+				variant="outline"
+				className="hidden md:block text-sm text-muted-foreground px-4"
+				onClick={() => setOpen(true)}
+			>
+				<span className="flex items-center">
+					<SearchIcon className="me-1.5 h-4 w-4" />
+					<Trans>Search</Trans>
+					<span className="flex items-center ms-3.5">
+						<Kbd>{isMac ? "⌘" : "Ctrl"}</Kbd>
+						<Kbd>K</Kbd>
+					</span>
+				</span>
+			</Button>
+			<Suspense>
+				<CommandPalette open={open} setOpen={setOpen} />
+			</Suspense>
+		</>
+	)
+}

beszel/site/src/components/router.tsx

@@ -0,0 +1,45 @@
+import { createRouter } from "@nanostores/router"
+
+const routes = {
+	home: "/",
+	system: `/system/:name`,
+	settings: `/settings/:name?`,
+	forgot_password: `/forgot-password`,
+} as const
+
+/**
+ * The base path of the application.
+ * This is used to prepend the base path to all routes.
+ */
+export const basePath = globalThis.BESZEL.BASE_PATH || ""
+
+/**
+ * Prepends the base path to the given path.
+ * @param path The path to prepend the base path to.
+ * @returns The path with the base path prepended.
+ */
+export const prependBasePath = (path: string) => (basePath + path).replaceAll("//", "/")
+
+// prepend base path to routes
+for (const route in routes) {
+	// @ts-ignore need as const above to get nanostores to parse types properly
+	routes[route] = prependBasePath(routes[route])
+}
+
+export const $router = createRouter(routes, { links: false })
+
+/** Navigate to url using router
+ *  Base path is automatically prepended if serving from subpath
+ */
+export const navigate = (urlString: string) => {
+	$router.open(urlString)
+}
+
+function onClick(e: React.MouseEvent<HTMLAnchorElement, MouseEvent>) {
+	e.preventDefault()
+	$router.open(new URL((e.currentTarget as HTMLAnchorElement).href).pathname)
+}
+
+export const Link = (props: React.AnchorHTMLAttributes<HTMLAnchorElement>) => {
+	return <a onClick={onClick} {...props}></a>
+}

beszel/site/src/components/routes/home.tsx

@@ -0,0 +1,131 @@
+import { Suspense, lazy, memo, useEffect, useMemo } from "react"
+import { Card, CardContent, CardHeader, CardTitle } from "../ui/card"
+import { $alerts, $systems, pb } from "@/lib/stores"
+import { useStore } from "@nanostores/react"
+import { GithubIcon } from "lucide-react"
+import { Separator } from "../ui/separator"
+import { alertInfo, updateRecordList, updateSystemList } from "@/lib/utils"
+import { AlertRecord, SystemRecord } from "@/types"
+import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert"
+import { $router, Link } from "../router"
+import { Plural, Trans, useLingui } from "@lingui/react/macro"
+import { getPagePath } from "@nanostores/router"
+
+const SystemsTable = lazy(() => import("../systems-table/systems-table"))
+
+export const Home = memo(() => {
+	const alerts = useStore($alerts)
+	const systems = useStore($systems)
+	const { t } = useLingui()
+
+	let alertsKey = ""
+	const activeAlerts = useMemo(() => {
+		const activeAlerts = alerts.filter((alert) => {
+			const active = alert.triggered && alert.name in alertInfo
+			if (!active) {
+				return false
+			}
+			alert.sysname = systems.find((system) => system.id === alert.system)?.name
+			alertsKey += alert.id
+			return true
+		})
+		return activeAlerts
+	}, [systems, alerts])
+
+	useEffect(() => {
+		document.title = t`Dashboard` + " / Beszel"
+	}, [t])
+
+	useEffect(() => {
+		// make sure we have the latest list of systems
+		updateSystemList()
+
+		// subscribe to real time updates for systems / alerts
+		pb.collection<SystemRecord>("systems").subscribe("*", (e) => {
+			updateRecordList(e, $systems)
+		})
+		pb.collection<AlertRecord>("alerts").subscribe("*", (e) => {
+			updateRecordList(e, $alerts)
+		})
+		return () => {
+			pb.collection("systems").unsubscribe("*")
+			// pb.collection('alerts').unsubscribe('*')
+		}
+	}, [])
+
+	return useMemo(
+		() => (
+			<>
+				{/* show active alerts */}
+				{activeAlerts.length > 0 && <ActiveAlerts key={activeAlerts.length} activeAlerts={activeAlerts} />}
+				<Suspense>
+					<SystemsTable />
+				</Suspense>
+
+				<div className="flex gap-1.5 justify-end items-center pe-3 sm:pe-6 mt-3.5 text-xs opacity-80">
+					<a
+						href="https://github.com/henrygd/beszel"
+						target="_blank"
+						className="flex items-center gap-0.5 text-muted-foreground hover:text-foreground duration-75"
+					>
+						<GithubIcon className="h-3 w-3" /> GitHub
+					</a>
+					<Separator orientation="vertical" className="h-2.5 bg-muted-foreground opacity-70" />
+					<a
+						href="https://github.com/henrygd/beszel/releases"
+						target="_blank"
+						className="text-muted-foreground hover:text-foreground duration-75"
+					>
+						Beszel {globalThis.BESZEL.HUB_VERSION}
+					</a>
+				</div>
+			</>
+		),
+		[alertsKey]
+	)
+})
+
+const ActiveAlerts = memo(({ activeAlerts }: { activeAlerts: AlertRecord[] }) => {
+	return (
+		<Card className="mb-4">
+			<CardHeader className="pb-4 px-2 sm:px-6 max-sm:pt-5 max-sm:pb-1">
+				<div className="px-2 sm:px-1">
+					<CardTitle>
+						<Trans>Active Alerts</Trans>
+					</CardTitle>
+				</div>
+			</CardHeader>
+			<CardContent className="max-sm:p-2">
+				{activeAlerts.length > 0 && (
+					<div className="grid sm:grid-cols-2 lg:grid-cols-3 2xl:grid-cols-4 gap-3">
+						{activeAlerts.map((alert) => {
+							const info = alertInfo[alert.name as keyof typeof alertInfo]
+							return (
+								<Alert
+									key={alert.id}
+									className="hover:-translate-y-[1px] duration-200 bg-transparent border-foreground/10  hover:shadow-md shadow-black"
+								>
+									<info.icon className="h-4 w-4" />
+									<AlertTitle>
+										{alert.sysname} {info.name().toLowerCase().replace("cpu", "CPU")}
+									</AlertTitle>
+									<AlertDescription>
+										<Trans>
+											Exceeds {alert.value}
+											{info.unit} in last <Plural value={alert.min} one="# minute" other="# minutes" />
+										</Trans>
+									</AlertDescription>
+									<Link
+										href={getPagePath($router, "system", { name: alert.sysname! })}
+										className="absolute inset-0 w-full h-full"
+										aria-label="View system"
+									></Link>
+								</Alert>
+							)
+						})}
+					</div>
+				)}
+			</CardContent>
+		</Card>
+	)
+})

beszel/site/src/components/routes/settings/config-yaml.tsx

@@ -0,0 +1,98 @@
+import { t } from "@lingui/core/macro";
+import { Trans } from "@lingui/react/macro";
+import { isAdmin } from "@/lib/utils"
+import { Separator } from "@/components/ui/separator"
+import { Button } from "@/components/ui/button"
+import { redirectPage } from "@nanostores/router"
+import { $router } from "@/components/router"
+import { AlertCircleIcon, FileSlidersIcon, LoaderCircleIcon } from "lucide-react"
+import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert"
+import { pb } from "@/lib/stores"
+import { useState } from "react"
+import { Textarea } from "@/components/ui/textarea"
+import { toast } from "@/components/ui/use-toast"
+import clsx from "clsx"
+
+export default function ConfigYaml() {
+	const [configContent, setConfigContent] = useState<string>("")
+	const [isLoading, setIsLoading] = useState(false)
+
+	const ButtonIcon = isLoading ? LoaderCircleIcon : FileSlidersIcon
+
+	async function fetchConfig() {
+		try {
+			setIsLoading(true)
+			const { config } = await pb.send<{ config: string }>("/api/beszel/config-yaml", {})
+			setConfigContent(config)
+		} catch (error: any) {
+			toast({
+				title: t`Error`,
+				description: error.message,
+				variant: "destructive",
+			})
+		} finally {
+			setIsLoading(false)
+		}
+	}
+
+	if (!isAdmin()) {
+		redirectPage($router, "settings", { name: "general" })
+	}
+
+	return (
+		<div>
+			<div>
+				<h3 className="text-xl font-medium mb-2">
+					<Trans>YAML Configuration</Trans>
+				</h3>
+				<p className="text-sm text-muted-foreground leading-relaxed">
+					<Trans>Export your current systems configuration.</Trans>
+				</p>
+			</div>
+			<Separator className="my-4" />
+			<div className="space-y-2">
+				<div className="mb-4">
+					<p className="text-sm text-muted-foreground leading-relaxed my-1">
+						<Trans>
+							Systems may be managed in a <code className="bg-muted rounded-sm px-1 text-primary">config.yml</code> file
+							inside your data directory.
+						</Trans>
+					</p>
+					<p className="text-sm text-muted-foreground leading-relaxed">
+						<Trans>
+							On each restart, systems in the database will be updated to match the systems defined in the file.
+						</Trans>
+					</p>
+					<Alert className="my-4 border-destructive text-destructive w-auto table md:pe-6">
+						<AlertCircleIcon className="h-4 w-4 stroke-destructive" />
+						<AlertTitle>
+							<Trans>Caution - potential data loss</Trans>
+						</AlertTitle>
+						<AlertDescription>
+							<p>
+								<Trans>
+									Existing systems not defined in <code>config.yml</code> will be deleted. Please make regular backups.
+								</Trans>
+							</p>
+						</AlertDescription>
+					</Alert>
+				</div>
+				{configContent && (
+					<Textarea
+						dir="ltr"
+						autoFocus
+						defaultValue={configContent}
+						spellCheck="false"
+						rows={Math.min(25, configContent.split("\n").length)}
+						className="font-mono whitespace-pre"
+					/>
+				)}
+			</div>
+			<Separator className="my-5" />
+			<Button type="button" className="mt-2 flex items-center gap-1" onClick={fetchConfig} disabled={isLoading}>
+				<ButtonIcon className={clsx("h-4 w-4 me-0.5", isLoading && "animate-spin")} />
+				<Trans>Export configuration</Trans>
+			</Button>
+		</div>
+	)
+}

beszel/site/src/components/routes/settings/general.tsx

@@ -0,0 +1,111 @@
+import { Trans } from "@lingui/react/macro"
+import { Button } from "@/components/ui/button"
+import { Label } from "@/components/ui/label"
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select"
+import { chartTimeData } from "@/lib/utils"
+import { Separator } from "@/components/ui/separator"
+import { LanguagesIcon, LoaderCircleIcon, SaveIcon } from "lucide-react"
+import { UserSettings } from "@/types"
+import { saveSettings } from "./layout"
+import { useState } from "react"
+import languages from "@/lib/languages"
+import { dynamicActivate } from "@/lib/i18n"
+import { useLingui } from "@lingui/react/macro"
+// import { setLang } from "@/lib/i18n"
+
+export default function SettingsProfilePage({ userSettings }: { userSettings: UserSettings }) {
+	const [isLoading, setIsLoading] = useState(false)
+	const { i18n } = useLingui()
+
+	async function handleSubmit(e: React.FormEvent<HTMLFormElement>) {
+		e.preventDefault()
+		setIsLoading(true)
+		const formData = new FormData(e.target as HTMLFormElement)
+		const data = Object.fromEntries(formData) as Partial<UserSettings>
+		await saveSettings(data)
+		setIsLoading(false)
+	}
+
+	return (
+		<div>
+			<div>
+				<h3 className="text-xl font-medium mb-2">
+					<Trans>General</Trans>
+				</h3>
+				<p className="text-sm text-muted-foreground leading-relaxed">
+					<Trans>Change general application options.</Trans>
+				</p>
+			</div>
+			<Separator className="my-4" />
+			<form onSubmit={handleSubmit} className="space-y-5">
+				<div className="space-y-2">
+					<div className="mb-4">
+						<h3 className="mb-1 text-lg font-medium flex items-center gap-2">
+							<LanguagesIcon className="h-4 w-4" />
+							<Trans>Language</Trans>
+						</h3>
+						<p className="text-sm text-muted-foreground leading-relaxed">
+							<Trans>
+								Want to help improve our translations? Check{" "}
+								<a href="https://crowdin.com/project/beszel" className="link" target="_blank" rel="noopener noreferrer">
+									Crowdin
+								</a>{" "}
+								for details.
+							</Trans>
+						</p>
+					</div>
+					<Label className="block" htmlFor="lang">
+						<Trans>Preferred Language</Trans>
+					</Label>
+					<Select value={i18n.locale} onValueChange={(lang: string) => dynamicActivate(lang)}>
+						<SelectTrigger id="lang">
+							<SelectValue />
+						</SelectTrigger>
+						<SelectContent>
+							{languages.map((lang) => (
+								<SelectItem key={lang.lang} value={lang.lang}>
+									<span className="me-2.5">{lang.e}</span>
+									{lang.label}
+								</SelectItem>
+							))}
+						</SelectContent>
+					</Select>
+				</div>
+				<Separator />
+				<div className="space-y-2">
+					<div className="mb-4">
+						<h3 className="mb-1 text-lg font-medium">
+							<Trans>Chart options</Trans>
+						</h3>
+						<p className="text-sm text-muted-foreground leading-relaxed">
+							<Trans>Adjust display options for charts.</Trans>
+						</p>
+					</div>
+					<Label className="block" htmlFor="chartTime">
+						<Trans>Default time period</Trans>
+					</Label>
+					<Select name="chartTime" key={userSettings.chartTime} defaultValue={userSettings.chartTime}>
+						<SelectTrigger id="chartTime">
+							<SelectValue />
+						</SelectTrigger>
+						<SelectContent>
+							{Object.entries(chartTimeData).map(([value, { label }]) => (
+								<SelectItem key={value} value={value}>
+									{label()}
+								</SelectItem>
+							))}
+						</SelectContent>
+					</Select>
+					<p className="text-[0.8rem] text-muted-foreground">
+						<Trans>Sets the default time range for charts when a system is viewed.</Trans>
+					</p>
+				</div>
+				<Separator />
+				<Button type="submit" className="flex items-center gap-1.5 disabled:opacity-100" disabled={isLoading}>
+					{isLoading ? <LoaderCircleIcon className="h-4 w-4 animate-spin" /> : <SaveIcon className="h-4 w-4" />}
+					<Trans>Save Settings</Trans>
+				</Button>
+			</form>
+		</div>
+	)
+}

beszel/site/src/components/routes/settings/layout.tsx

@@ -0,0 +1,116 @@
+import { t } from "@lingui/core/macro"
+import { Trans } from "@lingui/react/macro"
+import { useEffect } from "react"
+import { Separator } from "../../ui/separator"
+import { SidebarNav } from "./sidebar-nav.tsx"
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card.tsx"
+import { useStore } from "@nanostores/react"
+import { $router } from "@/components/router.tsx"
+import { getPagePath, redirectPage } from "@nanostores/router"
+import { BellIcon, FileSlidersIcon, SettingsIcon } from "lucide-react"
+import { $userSettings, pb } from "@/lib/stores.ts"
+import { toast } from "@/components/ui/use-toast.ts"
+import { UserSettings } from "@/types.js"
+import General from "./general.tsx"
+import Notifications from "./notifications.tsx"
+import ConfigYaml from "./config-yaml.tsx"
+import { useLingui } from "@lingui/react/macro"
+
+export async function saveSettings(newSettings: Partial<UserSettings>) {
+	try {
+		// get fresh copy of settings
+		const req = await pb.collection("user_settings").getFirstListItem("", {
+			fields: "id,settings",
+		})
+		// update user settings
+		const updatedSettings = await pb.collection("user_settings").update(req.id, {
+			settings: {
+				...req.settings,
+				...newSettings,
+			},
+		})
+		$userSettings.set(updatedSettings.settings)
+		toast({
+			title: t`Settings saved`,
+			description: t`Your user settings have been updated.`,
+		})
+	} catch (e) {
+		// console.error('update settings', e)
+		toast({
+			title: t`Failed to save settings`,
+			description: t`Check logs for more details.`,
+			variant: "destructive",
+		})
+	}
+}
+
+export default function SettingsLayout() {
+	const { t } = useLingui()
+
+	const sidebarNavItems = [
+		{
+			title: t({ message: `General`, comment: "Context: General settings" }),
+			href: getPagePath($router, "settings", { name: "general" }),
+			icon: SettingsIcon,
+		},
+		{
+			title: t`Notifications`,
+			href: getPagePath($router, "settings", { name: "notifications" }),
+			icon: BellIcon,
+		},
+		{
+			title: t`YAML Config`,
+			href: getPagePath($router, "settings", { name: "config" }),
+			icon: FileSlidersIcon,
+			admin: true,
+		},
+	]
+
+	const page = useStore($router)
+
+	useEffect(() => {
+		document.title = t`Settings` + " / Beszel"
+		// @ts-ignore redirect to account page if no page is specified
+		if (!page?.params?.name) {
+			redirectPage($router, "settings", { name: "general" })
+		}
+	}, [])
+
+	return (
+		<Card className="pt-5 px-4 pb-8 sm:pt-6 sm:px-7">
+			<CardHeader className="p-0">
+				<CardTitle className="mb-1">
+					<Trans>Settings</Trans>
+				</CardTitle>
+				<CardDescription>
+					<Trans>Manage display and notification preferences.</Trans>
+				</CardDescription>
+			</CardHeader>
+			<CardContent className="p-0">
+				<Separator className="hidden md:block my-5" />
+				<div className="flex flex-col gap-3.5 md:flex-row md:gap-5 lg:gap-10">
+					<aside className="md:w-48 w-full">
+						<SidebarNav items={sidebarNavItems} />
+					</aside>
+					<div className="flex-1">
+						{/* @ts-ignore */}
+						<SettingsContent name={page?.params?.name ?? "general"} />
+					</div>
+				</div>
+			</CardContent>
+		</Card>
+	)
+}
+
+function SettingsContent({ name }: { name: string }) {
+	const userSettings = useStore($userSettings)
+
+	switch (name) {
+		case "general":
+			return <General userSettings={userSettings} />
+		case "notifications":
+			return <Notifications userSettings={userSettings} />
+		case "config":
+			return <ConfigYaml />
+	}
+}

beszel/site/src/components/routes/settings/notifications.tsx

@@ -0,0 +1,227 @@
+import { t } from "@lingui/core/macro"
+import { Trans } from "@lingui/react/macro"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { Label } from "@/components/ui/label"
+import { pb } from "@/lib/stores"
+import { Separator } from "@/components/ui/separator"
+import { Card } from "@/components/ui/card"
+import { BellIcon, LoaderCircleIcon, PlusIcon, SaveIcon, Trash2Icon } from "lucide-react"
+import { ChangeEventHandler, useEffect, useState } from "react"
+import { toast } from "@/components/ui/use-toast"
+import { InputTags } from "@/components/ui/input-tags"
+import { UserSettings } from "@/types"
+import { saveSettings } from "./layout"
+import * as v from "valibot"
+import { isAdmin } from "@/lib/utils"
+import { prependBasePath } from "@/components/router"
+
+interface ShoutrrrUrlCardProps {
+	url: string
+	onUrlChange: ChangeEventHandler<HTMLInputElement>
+	onRemove: () => void
+}
+
+const NotificationSchema = v.object({
+	emails: v.array(v.pipe(v.string(), v.email())),
+	webhooks: v.array(v.pipe(v.string(), v.url())),
+})
+
+const SettingsNotificationsPage = ({ userSettings }: { userSettings: UserSettings }) => {
+	const [webhooks, setWebhooks] = useState(userSettings.webhooks ?? [])
+	const [emails, setEmails] = useState<string[]>(userSettings.emails ?? [])
+	const [isLoading, setIsLoading] = useState(false)
+
+	// update values when userSettings changes
+	useEffect(() => {
+		setWebhooks(userSettings.webhooks ?? [])
+		setEmails(userSettings.emails ?? [])
+	}, [userSettings])
+
+	function addWebhook() {
+		setWebhooks([...webhooks, ""])
+		// focus on the new input
+		queueMicrotask(() => {
+			const inputs = document.querySelectorAll("#webhooks input") as NodeListOf<HTMLInputElement>
+			inputs[inputs.length - 1]?.focus()
+		})
+	}
+	const removeWebhook = (index: number) => setWebhooks(webhooks.filter((_, i) => i !== index))
+
+	function updateWebhook(index: number, value: string) {
+		const newWebhooks = [...webhooks]
+		newWebhooks[index] = value
+		setWebhooks(newWebhooks)
+	}
+
+	async function updateSettings() {
+		setIsLoading(true)
+		try {
+			const parsedData = v.parse(NotificationSchema, { emails, webhooks })
+			await saveSettings(parsedData)
+		} catch (e: any) {
+			toast({
+				title: t`Failed to save settings`,
+				description: e.message,
+				variant: "destructive",
+			})
+		}
+		setIsLoading(false)
+	}
+
+	return (
+		<div>
+			<div>
+				<h3 className="text-xl font-medium mb-2">
+					<Trans>Notifications</Trans>
+				</h3>
+				<p className="text-sm text-muted-foreground leading-relaxed">
+					<Trans>Configure how you receive alert notifications.</Trans>
+				</p>
+				<p className="text-sm text-muted-foreground mt-1.5 leading-relaxed">
+					<Trans>
+						Looking instead for where to create alerts? Click the bell <BellIcon className="inline h-4 w-4" /> icons in
+						the systems table.
+					</Trans>
+				</p>
+			</div>
+			<Separator className="my-4" />
+			<div className="space-y-5">
+				<div className="space-y-2">
+					<div className="mb-4">
+						<h3 className="mb-1 text-lg font-medium">
+							<Trans>Email notifications</Trans>
+						</h3>
+						{isAdmin() && (
+							<p className="text-sm text-muted-foreground leading-relaxed">
+								<Trans>
+									Please{" "}
+									<a href={prependBasePath("/_/#/settings/mail")} className="link" target="_blank">
+										configure an SMTP server
+									</a>{" "}
+									to ensure alerts are delivered.
+								</Trans>
+							</p>
+						)}
+					</div>
+					<Label className="block" htmlFor="email">
+						<Trans>To email(s)</Trans>
+					</Label>
+					<InputTags
+						value={emails}
+						onChange={setEmails}
+						placeholder={t`Enter email address...`}
+						className="w-full"
+						type="email"
+						id="email"
+					/>
+					<p className="text-[0.8rem] text-muted-foreground">
+						<Trans>Save address using enter key or comma. Leave blank to disable email notifications.</Trans>
+					</p>
+				</div>
+				<Separator />
+				<div className="space-y-3">
+					<div>
+						<h3 className="mb-1 text-lg font-medium">
+							<Trans>Webhook / Push notifications</Trans>
+						</h3>
+						<p className="text-sm text-muted-foreground leading-relaxed">
+							<Trans>
+								Beszel uses{" "}
+								<a href="https://beszel.dev/guide/notifications" target="_blank" className="link">
+									Shoutrrr
+								</a>{" "}
+								to integrate with popular notification services.
+							</Trans>
+						</p>
+					</div>
+					{webhooks.length > 0 && (
+						<div className="grid gap-2.5" id="webhooks">
+							{webhooks.map((webhook, index) => (
+								<ShoutrrrUrlCard
+									key={index}
+									url={webhook}
+									onUrlChange={(e: React.ChangeEvent<HTMLInputElement>) => updateWebhook(index, e.target.value)}
+									onRemove={() => removeWebhook(index)}
+								/>
+							))}
+						</div>
+					)}
+					<Button
+						type="button"
+						variant="outline"
+						size="sm"
+						className="mt-2 flex items-center gap-1"
+						onClick={addWebhook}
+					>
+						<PlusIcon className="h-4 w-4 -ms-0.5" />
+						<Trans>Add URL</Trans>
+					</Button>
+				</div>
+				<Separator />
+				<Button
+					type="button"
+					className="flex items-center gap-1.5 disabled:opacity-100"
+					onClick={updateSettings}
+					disabled={isLoading}
+				>
+					{isLoading ? <LoaderCircleIcon className="h-4 w-4 animate-spin" /> : <SaveIcon className="h-4 w-4" />}
+					<Trans>Save Settings</Trans>
+				</Button>
+			</div>
+		</div>
+	)
+}
+
+const ShoutrrrUrlCard = ({ url, onUrlChange, onRemove }: ShoutrrrUrlCardProps) => {
+	const [isLoading, setIsLoading] = useState(false)
+
+	const sendTestNotification = async () => {
+		setIsLoading(true)
+		const res = await pb.send("/api/beszel/send-test-notification", { url })
+		if ("err" in res && !res.err) {
+			toast({
+				title: t`Test notification sent`,
+				description: t`Check your notification service`,
+			})
+		} else {
+			toast({
+				title: t`Error`,
+				description: res.err ?? t`Failed to send test notification`,
+				variant: "destructive",
+			})
+		}
+		setIsLoading(false)
+	}
+
+	return (
+		<Card className="bg-muted/40 p-2 md:p-3">
+			<div className="flex items-center gap-1">
+				<Input
+					type="url"
+					className="light:bg-card"
+					required
+					placeholder="generic://webhook.site/xxxxxx"
+					value={url}
+					onChange={onUrlChange}
+				/>
+				<Button type="button" variant="outline" disabled={isLoading || url === ""} onClick={sendTestNotification}>
+					{isLoading ? (
+						<LoaderCircleIcon className="h-4 w-4 animate-spin" />
+					) : (
+						<span>
+							<Trans>
+								Test <span className="hidden sm:inline">URL</span>
+							</Trans>
+						</span>
+					)}
+				</Button>
+				<Button type="button" variant="outline" size="icon" className="shrink-0" aria-label="Delete" onClick={onRemove}>
+					<Trash2Icon className="h-4 w-4" />
+				</Button>
+			</div>
+		</Card>
+	)
+}
+
+export default SettingsNotificationsPage

beszel/site/src/components/routes/settings/sidebar-nav.tsx

@@ -0,0 +1,71 @@
+import React from "react"
+import { cn, isAdmin } from "@/lib/utils"
+import { buttonVariants } from "../../ui/button"
+import { $router, Link, navigate } from "../../router"
+import { useStore } from "@nanostores/react"
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select"
+import { Separator } from "@/components/ui/separator"
+
+interface SidebarNavProps extends React.HTMLAttributes<HTMLElement> {
+	items: {
+		href: string
+		title: string
+		icon?: React.FC<React.SVGProps<SVGSVGElement>>
+		admin?: boolean
+	}[]
+}
+
+export function SidebarNav({ className, items, ...props }: SidebarNavProps) {
+	const page = useStore($router)
+
+	return (
+		<>
+			{/* Mobile View */}
+			<div className="md:hidden">
+				<Select onValueChange={navigate} value={page?.path}>
+					<SelectTrigger className="w-full my-3.5">
+						<SelectValue placeholder="Select page" />
+					</SelectTrigger>
+					<SelectContent>
+						{items.map((item) => {
+							if (item.admin && !isAdmin()) return null
+							return (
+								<SelectItem key={item.href} value={item.href}>
+									<span className="flex items-center gap-2">
+										{item.icon && <item.icon className="h-4 w-4" />}
+										{item.title}
+									</span>
+								</SelectItem>
+							)
+						})}
+					</SelectContent>
+				</Select>
+				<Separator />
+			</div>
+
+			{/* Desktop View */}
+			<nav className={cn("hidden md:grid gap-1", className)} {...props}>
+				{items.map((item) => {
+					if (item.admin && !isAdmin()) {
+						return null
+					}
+					return (
+						<Link
+							key={item.href}
+							href={item.href}
+							className={cn(
+								buttonVariants({ variant: "ghost" }),
+								"flex items-center gap-3",
+								page?.path === item.href ? "bg-muted hover:bg-muted" : "hover:bg-muted/50",
+								"justify-start"
+							)}
+						>
+							{item.icon && <item.icon className="h-4 w-4" />}
+							{item.title}
+						</Link>
+					)
+				})}
+			</nav>
+		</>
+	)
+}