New translations en.po (Chinese Traditional, Hong Kong)

- also a few instances of autoformat

.dockerignore

@@ -0,0 +1,48 @@
+# Node.js dependencies
+node_modules
+internalsite/node_modules
+
+# Go build artifacts and binaries
+build
+dist
+*.exe
+beszel-agent
+beszel_data*
+pb_data
+data
+temp
+
+# Development and IDE files
+.vscode
+.idea*
+*.swc
+__debug_*
+
+# Git and version control
+.git
+.gitignore
+
+# Documentation and supplemental files
+*.md
+supplemental
+freebsd-port
+
+# Test files (exclude from production builds)
+*_test.go
+coverage
+
+# Docker files
+dockerfile_*
+
+# Temporary files
+*.tmp
+*.bak
+*.log
+
+# OS specific files
+.DS_Store
+Thumbs.db
+
+# .NET build artifacts
+agent/lhm/obj
+agent/lhm/bin

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,8 +1,19 @@
 name: 🐛 Bug report
 description: Report a new bug or issue.
 title: '[Bug]: '
-labels: ['bug']
+labels: ['bug', "needs confirmation"]
 body:
+  - type: dropdown
+    id: component
+    attributes:
+      label: Component
+      description: Which part of Beszel is this about?
+      options:
+        - Hub
+        - Agent
+        - Hub & Agent
+    validations:
+      required: true
   - type: markdown
     attributes:
       value: |
@@ -43,6 +54,39 @@ body:
         3. Pour it into a cup.
     validations:
       required: true
+  - type: dropdown
+    id: category
+    attributes:
+      label: Category
+      description: Which category does this relate to most?
+      options:
+        - Metrics
+        - Charts & Visualization
+        - Settings & Configuration
+        - Notifications & Alerts
+        - Authentication
+        - Installation
+        - Performance
+        - UI / UX
+        - Other
+    validations:
+      required: true
+  - type: dropdown
+    id: metrics
+    attributes:
+      label: Affected Metrics
+      description: If applicable, which specific metric does this relate to most?
+      options:
+        - CPU
+        - Memory
+        - Storage
+        - Network
+        - Containers
+        - GPU
+        - Sensors
+        - Other
+    validations:
+      required: true
   - type: input
     id: system
     attributes:
@@ -61,7 +105,6 @@ body:
     id: install-method
     attributes:
       label: Installation method
-      default: 0
       options:
         - Docker
         - Binary

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,8 +1,19 @@
 name: 🚀 Feature request
 description: Request a new feature or change.
 title: "[Feature]: "
-labels: ["enhancement"]
+labels: ["enhancement", "needs review"]
 body:
+  - type: dropdown
+    id: component
+    attributes:
+      label: Component
+      description: Which part of Beszel is this about?
+      options:
+        - Hub
+        - Agent
+        - Hub & Agent
+    validations:
+      required: true
   - 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).
@@ -11,8 +22,55 @@ body:
       label: Describe the feature you would like to see
     validations:
       required: true
+  - type: textarea
+    id: motivation
+    attributes:
+      label: Motivation / Use Case
+      description: Why do you want this feature? What problem does it solve?
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: Describe how you would like to see this feature implemented
     validations:
       required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Screenshots
+      description: Please attach any relevant screenshots, such as images from your current solution or similar implementations.
+    validations:
+      required: false
+  - type: dropdown
+    id: category
+    attributes:
+      label: Category
+      description: Which category does this relate to most?
+      options:
+        - Metrics
+        - Charts & Visualization
+        - Settings & Configuration
+        - Notifications & Alerts
+        - Authentication
+        - Installation
+        - Performance
+        - UI / UX
+        - Other
+    validations:
+      required: true
+  - type: dropdown
+    id: metrics
+    attributes:
+      label: Affected Metrics
+      description: If applicable, which specific metric does this relate to most?
+      options:
+        - CPU
+        - Memory
+        - Storage
+        - Network
+        - Containers
+        - GPU
+        - Sensors
+        - Other
+    validations:
+      required: true

.github/pull_request_template.md

@@ -0,0 +1,33 @@
+## 📃 Description
+
+A short description of the pull request changes should go here and the sections below should list in detail all changes. You can remove the sections you don't need.
+
+## 📖 Documentation
+
+Add a link to the PR for [documentation](https://github.com/henrygd/beszel-docs) changes.
+
+## 🪵 Changelog
+
+### ➕ Added
+
+- one
+- two
+
+### ✏️ Changed
+
+- one
+- two
+
+### 🔧 Fixed
+
+- one
+- two
+
+### 🗑️ Removed
+
+- one
+- two
+
+## 📷 Screenshots
+
+If this PR has any UI/UX changes it's strongly suggested you add screenshots here.

.github/workflows/docker-images.yml

@@ -3,7 +3,7 @@ name: Make docker images
 on:
   push:
     tags:
-      - 'v*'
+      - "v*"
 
 jobs:
   build:
@@ -13,29 +13,49 @@ jobs:
       matrix:
         include:
           - image: henrygd/beszel
-            context: ./beszel
-            dockerfile: ./beszel/dockerfile_Hub
+            context: ./
+            dockerfile: ./internal/dockerfile_hub
             registry: docker.io
             username_secret: DOCKERHUB_USERNAME
             password_secret: DOCKERHUB_TOKEN
+
           - image: henrygd/beszel-agent
-            context: ./beszel
-            dockerfile: ./beszel/dockerfile_Agent
+            context: ./
+            dockerfile: ./internal/dockerfile_agent
             registry: docker.io
             username_secret: DOCKERHUB_USERNAME
             password_secret: DOCKERHUB_TOKEN
+
+          - image: henrygd/beszel-agent-nvidia
+            context: ./
+            dockerfile: ./internal/dockerfile_agent_nvidia
+            platforms: linux/amd64
+            registry: docker.io
+            username_secret: DOCKERHUB_USERNAME
+            password_secret: DOCKERHUB_TOKEN
+
           - image: ghcr.io/${{ github.repository }}/beszel
-            context: ./beszel
-            dockerfile: ./beszel/dockerfile_Hub
+            context: ./
+            dockerfile: ./internal/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
+            context: ./
+            dockerfile: ./internal/dockerfile_agent
             registry: ghcr.io
             username: ${{ github.actor }}
             password_secret: GITHUB_TOKEN
+
+          - image: ghcr.io/${{ github.repository }}/beszel-agent-nvidia
+            context: ./
+            dockerfile: ./internal/dockerfile_agent_nvidia
+            platforms: linux/amd64
+            registry: ghcr.io
+            username: ${{ github.actor }}
+            password_secret: GITHUB_TOKEN
+
     permissions:
       contents: read
       packages: write
@@ -48,10 +68,10 @@ jobs:
         uses: oven-sh/setup-bun@v2
 
       - name: Install dependencies
-        run: bun install --no-save --cwd ./beszel/site
+        run: bun install --no-save --cwd ./internal/site
 
       - name: Build site
-        run: bun run --cwd ./beszel/site build
+        run: bun run --cwd ./internal/site build
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
@@ -65,6 +85,7 @@ jobs:
         with:
           images: ${{ matrix.image }}
           tags: |
+            type=raw,value=edge
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
             type=semver,pattern={{major}}
@@ -72,7 +93,9 @@ jobs:
 
       # https://github.com/docker/login-action
       - name: Login to Docker Hub
-        if: github.event_name != 'pull_request'
+        env:
+          password_secret_exists: ${{ secrets[matrix.password_secret] != '' && 'true' || 'false' }}
+        if: github.event_name != 'pull_request' && env.password_secret_exists == 'true'
         uses: docker/login-action@v3
         with:
           username: ${{ matrix.username || secrets[matrix.username_secret] }}
@@ -84,9 +107,9 @@ jobs:
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
-          context: '${{ matrix.context }}'
+          context: "${{ matrix.context }}"
           file: ${{ matrix.dockerfile }}
-          platforms: linux/amd64,linux/arm64,linux/arm/v7
-          push: ${{ github.ref_type == 'tag' }}
+          platforms: ${{ matrix.platforms || 'linux/amd64,linux/arm64,linux/arm/v7' }}
+          push: ${{ github.ref_type == 'tag' && secrets[matrix.password_secret] != '' }}
           tags: ${{ steps.metadata.outputs.tags }}
           labels: ${{ steps.metadata.outputs.labels }}

.github/workflows/inactivity-actions.yml

@@ -0,0 +1,43 @@
+name: 'Issue and PR Maintenance'
+
+on:
+  schedule:
+    - cron: '0 0 * * *'   # runs at midnight UTC
+  workflow_dispatch:
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  close-stale:
+    name: Close Stale Issues
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Close Stale Issues
+        uses: actions/stale@v9
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+          # Messaging
+          stale-issue-message: >
+            👋 This issue has been automatically marked as stale due to inactivity.
+            If this issue is still relevant, please comment to keep it open.
+            Without activity, it will be closed in 7 days.
+
+          close-issue-message: >
+            🔒 This issue has been automatically closed due to prolonged inactivity.
+            Feel free to open a new issue if you have further questions or concerns.
+
+          # Timing
+          days-before-issue-stale: 14
+          days-before-issue-close: 7
+
+          # Labels
+          stale-issue-label: 'stale'
+          remove-stale-when-updated: true
+          only-issue-labels: 'awaiting-requester'
+
+          # Exemptions
+          exempt-assignees: true
+          exempt-milestones: true

.github/workflows/label-from-dropdown.yml

@@ -0,0 +1,82 @@
+name: Label issues from dropdowns
+
+on:
+  issues:
+    types: [opened]
+
+jobs:
+  label_from_dropdown:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - name: Apply labels based on dropdown choices
+        uses: actions/github-script@v7
+        with:
+          script: |
+
+            const issueNumber = context.issue.number;
+            const owner = context.repo.owner;
+            const repo = context.repo.repo;
+
+            // Get the issue body
+            const body = context.payload.issue.body;
+
+            // Helper to find dropdown value in the body (assuming markdown format)
+            function extractSectionValue(heading) {
+              const regex = new RegExp(`### ${heading}\\s+([\\s\\S]*?)(?:\\n###|$)`, 'i');
+              const match = body.match(regex);
+              if (match) {
+                // Get the first non-empty line after the heading
+                const lines = match[1].split('\n').map(l => l.trim()).filter(Boolean);
+                return lines[0] || null;
+              }
+              return null;
+            }
+
+            // Extract dropdown selections
+            const category = extractSectionValue('Category');
+            const metrics = extractSectionValue('Affected Metrics');
+            const component = extractSectionValue('Component');
+
+            // Build labels to add
+            let labelsToAdd = [];
+            if (category) labelsToAdd.push(category);
+            if (metrics) labelsToAdd.push(metrics);
+            if (component) labelsToAdd.push(component);
+
+            // Get existing labels in the repo
+            const { data: existingLabels } = await github.rest.issues.listLabelsForRepo({
+              owner,
+              repo,
+              per_page: 100
+            });
+            const existingLabelNames = existingLabels.map(l => l.name);
+
+            // Find labels that need to be created
+            const labelsToCreate = labelsToAdd.filter(label => !existingLabelNames.includes(label));
+
+            // Create missing labels (with a default color)
+            for (const label of labelsToCreate) {
+              try {
+                await github.rest.issues.createLabel({
+                  owner,
+                  repo,
+                  name: label,
+                  color: 'ededed' // light gray, you can pick any hex color
+                });
+              } catch (e) {
+                // Ignore if label already exists (race condition), otherwise rethrow
+                if (!e || e.status !== 422) throw e;
+              }
+            }
+
+            // Now apply all labels (they all exist now)
+            if (labelsToAdd.length > 0) {
+              await github.rest.issues.addLabels({
+                owner,
+                repo,
+                issue_number: issueNumber,
+                labels: labelsToAdd
+              });
+            } 

.github/workflows/release.yml

@@ -3,7 +3,7 @@ name: Make release and binaries
 on:
   push:
     tags:
-      - 'v*'
+      - "v*"
 
 permissions:
   contents: write
@@ -21,22 +21,34 @@ jobs:
         uses: oven-sh/setup-bun@v2
 
       - name: Install dependencies
-        run: bun install --no-save --cwd ./beszel/site
+        run: bun install --no-save --cwd ./internal/site
 
       - name: Build site
-        run: bun run --cwd ./beszel/site build
+        run: bun run --cwd ./internal/site build
 
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '^1.22.1'
+          go-version: "^1.22.1"
+
+      - name: Set up .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: "9.0.x"
+
+      - name: Build .NET LHM executable for Windows sensors
+        run: |
+          dotnet build -c Release ./agent/lhm/beszel_lhm.csproj
+        shell: bash
 
       - name: GoReleaser beszel
         uses: goreleaser/goreleaser-action@v6
         with:
-          workdir: ./beszel
+          workdir: ./
           distribution: goreleaser
           version: latest
           args: release --clean
         env:
-          GITHUB_TOKEN: ${{ secrets.TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.TOKEN || secrets.GITHUB_TOKEN }}
+          WINGET_TOKEN: ${{ secrets.WINGET_TOKEN }}
+          IS_FORK: ${{ github.repository_owner != 'henrygd' }}

.github/workflows/vulncheck.yml

@@ -0,0 +1,33 @@
+# https://github.com/minio/minio/blob/master/.github/workflows/vulncheck.yml
+
+name: VulnCheck
+on:
+  pull_request:
+    branches:
+      - main
+
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
+jobs:
+  vulncheck:
+    name: VulnCheck
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.25.x
+          # cached: false
+      - name: Get official govulncheck
+        run: go install golang.org/x/vuln/cmd/govulncheck@latest
+        shell: bash
+      - name: Run govulncheck
+        run: govulncheck -show verbose ./...
+        shell: bash

.gitignore

@@ -8,12 +8,15 @@ beszel_data
 beszel_data*
 dist
 *.exe
-beszel/cmd/hub/hub
-beszel/cmd/agent/agent
+internal/cmd/hub/hub
+internal/cmd/agent/agent
 node_modules
-beszel/build
+build
 *timestamp*
 .swc
-beszel/site/src/locales/**/*.ts
+internal/site/src/locales/**/*.ts
 *.bak
 __debug_*
+agent/lhm/obj
+agent/lhm/bin
+dockerfile_agent_dev

.goreleaser.yml

@@ -9,7 +9,7 @@ before:
 builds:
   - id: beszel
     binary: beszel
-    main: cmd/hub/hub.go
+    main: internal/cmd/hub/hub.go
     env:
       - CGO_ENABLED=0
     goos:
@@ -22,7 +22,7 @@ builds:
 
   - id: beszel-agent
     binary: beszel-agent
-    main: cmd/agent/agent.go
+    main: internal/cmd/agent/agent.go
     env:
       - CGO_ENABLED=0
     goos:
@@ -37,11 +37,26 @@ builds:
       - arm
       - mips64
       - riscv64
+      - mipsle
+      - mips
+      - ppc64le
+    gomips:
+      - hardfloat
+      - softfloat
     ignore:
       - goos: freebsd
         goarch: arm
       - goos: openbsd
         goarch: arm
+      - goos: linux
+        goarch: mips64
+        gomips: softfloat
+      - goos: linux
+        goarch: mipsle
+        gomips: hardfloat
+      - goos: linux
+        goarch: mips
+        gomips: hardfloat
       - goos: windows
         goarch: arm
       - goos: darwin
@@ -51,8 +66,8 @@ builds:
 
 archives:
   - id: beszel-agent
-    format: tar.gz
-    builds:
+    formats: [tar.gz]
+    ids:
       - beszel-agent
     name_template: >-
       {{ .Binary }}_
@@ -60,11 +75,11 @@ archives:
       {{- .Arch }}
     format_overrides:
       - goos: windows
-        format: zip
+        formats: [zip]
 
   - id: beszel
-    format: tar.gz
-    builds:
+    formats: [tar.gz]
+    ids:
       - beszel
     name_template: >-
       {{ .Binary }}_
@@ -83,36 +98,33 @@ nfpms:
       API access.
     maintainer: henrygd <hank@henrygd.me>
     section: net
-    builds:
+    ids:
       - beszel-agent
     formats:
       - deb
-    # don't think this is needed with CGO_ENABLED=0
-    # dependencies:
-    #   - libc6
     contents:
-      - src: ../supplemental/debian/beszel-agent.service
+      - src: ./supplemental/debian/beszel-agent.service
         dst: lib/systemd/system/beszel-agent.service
         packager: deb
-      - src: ../supplemental/debian/copyright
+      - src: ./supplemental/debian/copyright
         dst: usr/share/doc/beszel-agent/copyright
         packager: deb
-      - src: ../supplemental/debian/lintian-overrides
+      - 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
+      postinstall: ./supplemental/debian/postinstall.sh
+      preremove: ./supplemental/debian/prerm.sh
+      postremove: ./supplemental/debian/postrm.sh
     deb:
       predepends:
         - adduser
         - debconf
       scripts:
-        templates: ../supplemental/debian/templates
+        templates: ./supplemental/debian/templates
         # Currently broken due to a bug in goreleaser
         # https://github.com/goreleaser/goreleaser/issues/5487
-        #config: ../supplemental/debian/config.sh
+        #config: ./supplemental/debian/config.sh
 
 scoops:
   - ids: [beszel-agent]
@@ -120,9 +132,10 @@ scoops:
     repository:
       owner: henrygd
       name: beszel-scoops
-    homepage: 'https://beszel.dev'
-    description: 'Agent for Beszel, a lightweight server monitoring platform.'
+    homepage: "https://beszel.dev"
+    description: "Agent for Beszel, a lightweight server monitoring platform."
     license: MIT
+    skip_upload: '{{ if eq (tolower .Env.IS_FORK) "true" }}true{{ else }}auto{{ end }}'
 
 # # Needs choco installed, so doesn't build on linux / default gh workflow :(
 # chocolateys:
@@ -153,9 +166,10 @@ brews:
     repository:
       owner: henrygd
       name: homebrew-beszel
-    homepage: 'https://beszel.dev'
-    description: 'Agent for Beszel, a lightweight server monitoring platform.'
+    homepage: "https://beszel.dev"
+    description: "Agent for Beszel, a lightweight server monitoring platform."
     license: MIT
+    skip_upload: '{{ if eq (tolower .Env.IS_FORK) "true" }}true{{ else }}auto{{ end }}'
     extra_install: |
       (bin/"beszel-agent-launcher").write <<~EOS
         #!/bin/bash
@@ -172,6 +186,44 @@ brews:
       log_path "#{Dir.home}/.cache/beszel/beszel-agent.log"
       error_log_path "#{Dir.home}/.cache/beszel/beszel-agent.log"
       keep_alive true
+      restart_delay 5
+      process_type :background
+
+winget:
+  - ids: [beszel-agent]
+    name: beszel-agent
+    package_identifier: henrygd.beszel-agent
+    publisher: henrygd
+    license: MIT
+    license_url: "https://github.com/henrygd/beszel/blob/main/LICENSE"
+    copyright: "2025 henrygd"
+    homepage: "https://beszel.dev"
+    release_notes_url: "https://github.com/henrygd/beszel/releases/tag/v{{ .Version }}"
+    publisher_support_url: "https://github.com/henrygd/beszel/issues"
+    short_description: "Agent for Beszel, a lightweight server monitoring platform."
+    skip_upload: '{{ if eq (tolower .Env.IS_FORK) "true" }}true{{ else }}auto{{ end }}'
+    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.
+    tags:
+      - homelab
+      - monitoring
+      - self-hosted
+    repository:
+      owner: henrygd
+      name: beszel-winget
+      branch: henrygd.beszel-agent-{{ .Version }}
+      token: "{{ .Env.WINGET_TOKEN }}"
+      # pull_request:
+      #   enabled: true
+      #   draft: false
+      #   base:
+      #     owner: microsoft
+      #     name: winget-pkgs
+      #     branch: master
 
 release:
   draft: true
@@ -181,5 +233,5 @@ changelog:
   sort: asc
   filters:
     exclude:
-      - '^docs:'
-      - '^test:'
+      - "^docs:"
+      - "^test:"

Makefile

@@ -0,0 +1,102 @@
+# Default OS/ARCH values
+OS ?= $(shell go env GOOS)
+ARCH ?= $(shell go env GOARCH)
+# Skip building the web UI if true
+SKIP_WEB ?= false
+
+# Set executable extension based on target OS
+EXE_EXT := $(if $(filter windows,$(OS)),.exe,)
+
+.PHONY: tidy build-agent build-hub build-hub-dev 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 ./internal/site && \
+		bun run --cwd ./internal/site build; \
+	else \
+		npm install --prefix ./internal/site && \
+		npm run --prefix ./internal/site build; \
+	fi
+
+# Conditional .NET build - only for Windows
+build-dotnet-conditional:
+	@if [ "$(OS)" = "windows" ]; then \
+		echo "Building .NET executable for Windows..."; \
+		if command -v dotnet >/dev/null 2>&1; then \
+			rm -rf ./agent/lhm/bin; \
+			dotnet build -c Release ./agent/lhm/beszel_lhm.csproj; \
+		else \
+			echo "Error: dotnet not found. Install .NET SDK to build Windows agent."; \
+			exit 1; \
+		fi; \
+	fi
+
+# Update build-agent to include conditional .NET build
+build-agent: tidy build-dotnet-conditional
+	GOOS=$(OS) GOARCH=$(ARCH) go build -o ./build/beszel-agent_$(OS)_$(ARCH)$(EXE_EXT) -ldflags "-w -s" ./internal/cmd/agent
+
+build-hub: tidy $(if $(filter false,$(SKIP_WEB)),build-web-ui)
+	GOOS=$(OS) GOARCH=$(ARCH) go build -o ./build/beszel_$(OS)_$(ARCH)$(EXE_EXT) -ldflags "-w -s" ./internal/cmd/hub
+
+build-hub-dev: tidy
+	mkdir -p ./internal/site/dist && touch ./internal/site/dist/index.html
+	GOOS=$(OS) GOARCH=$(ARCH) go build -tags development -o ./build/beszel-dev_$(OS)_$(ARCH)$(EXE_EXT) -ldflags "-w -s" ./internal/cmd/hub
+
+build: build-agent build-hub
+
+generate-locales:
+	@if [ ! -f ./internal/site/src/locales/en/en.ts ]; then \
+		echo "Generating locales..."; \
+		command -v bun >/dev/null 2>&1 && cd ./internal/site && bun install && bun run sync || cd ./internal/site && npm install && npm run sync; \
+	fi
+
+dev-server: generate-locales
+	cd ./internal/site
+	@if command -v bun >/dev/null 2>&1; then \
+		cd ./internal/site && bun run dev --host 0.0.0.0; \
+	else \
+		cd ./internal/site && npm run dev --host 0.0.0.0; \
+	fi
+
+dev-hub: export ENV=dev
+dev-hub:
+	mkdir -p ./internal/site/dist && touch ./internal/site/dist/index.html
+	@if command -v entr >/dev/null 2>&1; then \
+		find ./internal/cmd/hub/*.go ./internal/{alerts,hub,records,users}/*.go | entr -r -s "cd ./internal/cmd/hub && go run -tags development . serve --http 0.0.0.0:8090"; \
+	else \
+		cd ./internal/cmd/hub && go run -tags development . serve --http 0.0.0.0:8090; \
+	fi
+
+dev-agent:
+	@if command -v entr >/dev/null 2>&1; then \
+		find ./internal/cmd/agent/*.go ./agent/*.go | entr -r go run github.com/henrygd/beszel/internal/cmd/agent; \
+	else \
+		go run github.com/henrygd/beszel/internal/cmd/agent; \
+	fi
+	
+build-dotnet:
+	@if command -v dotnet >/dev/null 2>&1; then \
+		rm -rf ./agent/lhm/bin; \
+		dotnet build -c Release ./agent/lhm/beszel_lhm.csproj; \
+	else \
+		echo "dotnet not found"; \
+	fi
+
+
+# KEY="..." make -j dev
+dev: dev-server dev-hub dev-agent

agent/agent.go

@@ -0,0 +1,185 @@
+// Package agent implements the Beszel monitoring agent that collects and serves system metrics.
+//
+// The agent runs on monitored systems and communicates collected data
+// to the Beszel hub for centralized monitoring and alerting.
+package agent
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"log/slog"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/gliderlabs/ssh"
+	"github.com/henrygd/beszel"
+	"github.com/henrygd/beszel/internal/entities/system"
+	"github.com/shirou/gopsutil/v4/host"
+	gossh "golang.org/x/crypto/ssh"
+)
+
+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
+	connectionManager *ConnectionManager         // Channel to signal connection events
+	server            *ssh.Server                // SSH server
+	dataDir           string                     // Directory for persisting data
+	keys              []gossh.PublicKey          // SSH public keys
+}
+
+// NewAgent creates a new agent with the given data directory for persisting data.
+// If the data directory is not set, it will attempt to find the optimal directory.
+func NewAgent(dataDir ...string) (agent *Agent, err error) {
+	agent = &Agent{
+		fsStats: make(map[string]*system.FsStats),
+		cache:   NewSessionCache(69 * time.Second),
+	}
+
+	agent.dataDir, err = getDataDir(dataDir...)
+	if err != nil {
+		slog.Warn("Data directory not found")
+	} else {
+		slog.Info("Data directory", "path", agent.dataDir)
+	}
+
+	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
+	agent.initializeSystemInfo()
+
+	// initialize connection manager
+	agent.connectionManager = newConnectionManager(agent)
+
+	// initialize disk info
+	agent.initializeDiskInfo()
+
+	// initialize net io stats
+	agent.initializeNetIoStats()
+
+	// initialize docker manager
+	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, nil
+}
+
+// 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()
+
+	data, isCached := a.cache.Get(sessionID)
+	if isCached {
+		slog.Debug("Cached data", "session", sessionID)
+		return data
+	}
+
+	*data = system.CombinedData{
+		Stats: a.getSystemStats(),
+		Info:  a.systemInfo,
+	}
+	slog.Debug("System data", "data", data)
+
+	if a.dockerManager != nil {
+		if containerStats, err := a.dockerManager.getDockerStats(); err == nil {
+			data.Containers = containerStats
+			slog.Debug("Containers", "data", data.Containers)
+		} else {
+			slog.Debug("Containers", "err", err)
+		}
+	}
+
+	data.Stats.ExtraFs = make(map[string]*system.FsStats)
+	for name, stats := range a.fsStats {
+		if !stats.Root && stats.DiskTotal > 0 {
+			data.Stats.ExtraFs[name] = stats
+		}
+	}
+	slog.Debug("Extra FS", "data", data.Stats.ExtraFs)
+
+	a.cache.Set(sessionID, data)
+	return data
+}
+
+// StartAgent initializes and starts the agent with optional WebSocket connection
+func (a *Agent) Start(serverOptions ServerOptions) error {
+	a.keys = serverOptions.Keys
+	return a.connectionManager.Start(serverOptions)
+}
+
+func (a *Agent) getFingerprint() string {
+	// first look for a fingerprint in the data directory
+	if a.dataDir != "" {
+		if fp, err := os.ReadFile(filepath.Join(a.dataDir, "fingerprint")); err == nil {
+			return string(fp)
+		}
+	}
+
+	// if no fingerprint is found, generate one
+	fingerprint, err := host.HostID()
+	if err != nil || fingerprint == "" {
+		fingerprint = a.systemInfo.Hostname + a.systemInfo.CpuModel
+	}
+
+	// hash fingerprint
+	sum := sha256.Sum256([]byte(fingerprint))
+	fingerprint = hex.EncodeToString(sum[:24])
+
+	// save fingerprint to data directory
+	if a.dataDir != "" {
+		err = os.WriteFile(filepath.Join(a.dataDir, "fingerprint"), []byte(fingerprint), 0644)
+		if err != nil {
+			slog.Warn("Failed to save fingerprint", "err", err)
+		}
+	}
+
+	return fingerprint
+}

agent/agent_cache.go

@@ -1,8 +1,9 @@
 package agent
 
 import (
-	"beszel/internal/entities/system"
 	"time"
+
+	"github.com/henrygd/beszel/internal/entities/system"
 )
 
 // Not thread safe since we only access from gatherStats which is already locked

agent/agent_cache_test.go

@@ -1,17 +1,21 @@
+//go:build testing
+// +build testing
+
 package agent
 
 import (
-	"beszel/internal/entities/system"
 	"testing"
 	"testing/synctest"
 	"time"
 
+	"github.com/henrygd/beszel/internal/entities/system"
+
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
 func TestSessionCache_GetSet(t *testing.T) {
-	synctest.Run(func() {
+	synctest.Test(t, func(t *testing.T) {
 		cache := NewSessionCache(69 * time.Second)
 
 		testData := &system.CombinedData{

agent/agent_test_helpers.go

@@ -0,0 +1,9 @@
+//go:build testing
+// +build testing
+
+package agent
+
+// TESTING ONLY: GetConnectionManager is a helper function to get the connection manager for testing.
+func (a *Agent) GetConnectionManager() *ConnectionManager {
+	return a.connectionManager
+}

agent/battery/battery.go

@@ -0,0 +1,53 @@
+//go:build !freebsd
+
+// Package battery provides functions to check if the system has a battery and to get the battery stats.
+package battery
+
+import (
+	"errors"
+	"log/slog"
+
+	"github.com/distatus/battery"
+)
+
+var systemHasBattery = false
+var haveCheckedBattery = false
+
+// HasReadableBattery checks if the system has a battery and returns true if it does.
+func HasReadableBattery() bool {
+	if haveCheckedBattery {
+		return systemHasBattery
+	}
+	haveCheckedBattery = true
+	bat, err := battery.Get(0)
+	if err == nil && bat != nil {
+		systemHasBattery = true
+	} else {
+		slog.Debug("No battery found", "err", err)
+	}
+	return systemHasBattery
+}
+
+// GetBatteryStats returns the current battery percent and charge state
+func GetBatteryStats() (batteryPercent uint8, batteryState uint8, err error) {
+	if !systemHasBattery {
+		return batteryPercent, batteryState, errors.ErrUnsupported
+	}
+	batteries, err := battery.GetAll()
+	if err != nil || len(batteries) == 0 {
+		return batteryPercent, batteryState, err
+	}
+	totalCapacity := float64(0)
+	totalCharge := float64(0)
+	for _, bat := range batteries {
+		if bat.Design != 0 {
+			totalCapacity += bat.Design
+		} else {
+			totalCapacity += bat.Full
+		}
+		totalCharge += bat.Current
+	}
+	batteryPercent = uint8(totalCharge / totalCapacity * 100)
+	batteryState = uint8(batteries[0].State.Raw)
+	return batteryPercent, batteryState, nil
+}

agent/battery/battery_freebsd.go

@@ -0,0 +1,13 @@
+//go:build freebsd
+
+package battery
+
+import "errors"
+
+func HasReadableBattery() bool {
+	return false
+}
+
+func GetBatteryStats() (uint8, uint8, error) {
+	return 0, 0, errors.ErrUnsupported
+}

agent/client.go

@@ -0,0 +1,266 @@
+package agent
+
+import (
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+	"path"
+	"strings"
+	"time"
+
+	"github.com/henrygd/beszel"
+	"github.com/henrygd/beszel/internal/common"
+
+	"github.com/fxamacker/cbor/v2"
+	"github.com/lxzan/gws"
+	"golang.org/x/crypto/ssh"
+)
+
+const (
+	wsDeadline = 70 * time.Second
+)
+
+// WebSocketClient manages the WebSocket connection between the agent and hub.
+// It handles authentication, message routing, and connection lifecycle management.
+type WebSocketClient struct {
+	gws.BuiltinEventHandler
+	options            *gws.ClientOption                   // WebSocket client configuration options
+	agent              *Agent                              // Reference to the parent agent
+	Conn               *gws.Conn                           // Active WebSocket connection
+	hubURL             *url.URL                            // Parsed hub URL for connection
+	token              string                              // Authentication token for hub registration
+	fingerprint        string                              // System fingerprint for identification
+	hubRequest         *common.HubRequest[cbor.RawMessage] // Reusable request structure for message parsing
+	lastConnectAttempt time.Time                           // Timestamp of last connection attempt
+	hubVerified        bool                                // Whether the hub has been cryptographically verified
+}
+
+// newWebSocketClient creates a new WebSocket client for the given agent.
+// It reads configuration from environment variables and validates the hub URL.
+func newWebSocketClient(agent *Agent) (client *WebSocketClient, err error) {
+	hubURLStr, exists := GetEnv("HUB_URL")
+	if !exists {
+		return nil, errors.New("HUB_URL environment variable not set")
+	}
+
+	client = &WebSocketClient{}
+
+	client.hubURL, err = url.Parse(hubURLStr)
+	if err != nil {
+		return nil, errors.New("invalid hub URL")
+	}
+	// get registration token
+	client.token, err = getToken()
+	if err != nil {
+		return nil, err
+	}
+
+	client.agent = agent
+	client.hubRequest = &common.HubRequest[cbor.RawMessage]{}
+	client.fingerprint = agent.getFingerprint()
+
+	return client, nil
+}
+
+// getToken returns the token for the WebSocket client.
+// It first checks the TOKEN environment variable, then the TOKEN_FILE environment variable.
+// If neither is set, it returns an error.
+func getToken() (string, error) {
+	// get token from env var
+	token, _ := GetEnv("TOKEN")
+	if token != "" {
+		return token, nil
+	}
+	// get token from file
+	tokenFile, _ := GetEnv("TOKEN_FILE")
+	if tokenFile == "" {
+		return "", errors.New("must set TOKEN or TOKEN_FILE")
+	}
+	tokenBytes, err := os.ReadFile(tokenFile)
+	if err != nil {
+		return "", err
+	}
+	return string(tokenBytes), nil
+}
+
+// getOptions returns the WebSocket client options, creating them if necessary.
+// It configures the connection URL, TLS settings, and authentication headers.
+func (client *WebSocketClient) getOptions() *gws.ClientOption {
+	if client.options != nil {
+		return client.options
+	}
+
+	// update the hub url to use websocket scheme and api path
+	if client.hubURL.Scheme == "https" {
+		client.hubURL.Scheme = "wss"
+	} else {
+		client.hubURL.Scheme = "ws"
+	}
+	client.hubURL.Path = path.Join(client.hubURL.Path, "api/beszel/agent-connect")
+
+	client.options = &gws.ClientOption{
+		Addr:      client.hubURL.String(),
+		TlsConfig: &tls.Config{InsecureSkipVerify: true},
+		RequestHeader: http.Header{
+			"User-Agent": []string{getUserAgent()},
+			"X-Token":    []string{client.token},
+			"X-Beszel":   []string{beszel.Version},
+		},
+	}
+	return client.options
+}
+
+// Connect establishes a WebSocket connection to the hub.
+// It closes any existing connection before attempting to reconnect.
+func (client *WebSocketClient) Connect() (err error) {
+	client.lastConnectAttempt = time.Now()
+
+	// make sure previous connection is closed
+	client.Close()
+
+	client.Conn, _, err = gws.NewClient(client, client.getOptions())
+	if err != nil {
+		return err
+	}
+
+	go client.Conn.ReadLoop()
+
+	return nil
+}
+
+// OnOpen handles WebSocket connection establishment.
+// It sets a deadline for the connection to prevent hanging.
+func (client *WebSocketClient) OnOpen(conn *gws.Conn) {
+	conn.SetDeadline(time.Now().Add(wsDeadline))
+}
+
+// OnClose handles WebSocket connection closure.
+// It logs the closure reason and notifies the connection manager.
+func (client *WebSocketClient) OnClose(conn *gws.Conn, err error) {
+	slog.Warn("Connection closed", "err", strings.TrimPrefix(err.Error(), "gws: "))
+	client.agent.connectionManager.eventChan <- WebSocketDisconnect
+}
+
+// OnMessage handles incoming WebSocket messages from the hub.
+// It decodes CBOR messages and routes them to appropriate handlers.
+func (client *WebSocketClient) OnMessage(conn *gws.Conn, message *gws.Message) {
+	defer message.Close()
+	conn.SetDeadline(time.Now().Add(wsDeadline))
+
+	if message.Opcode != gws.OpcodeBinary {
+		return
+	}
+
+	if err := cbor.NewDecoder(message.Data).Decode(client.hubRequest); err != nil {
+		slog.Error("Error parsing message", "err", err)
+		return
+	}
+	if err := client.handleHubRequest(client.hubRequest); err != nil {
+		slog.Error("Error handling message", "err", err)
+	}
+}
+
+// OnPing handles WebSocket ping frames.
+// It responds with a pong and updates the connection deadline.
+func (client *WebSocketClient) OnPing(conn *gws.Conn, message []byte) {
+	conn.SetDeadline(time.Now().Add(wsDeadline))
+	conn.WritePong(message)
+}
+
+// handleAuthChallenge verifies the authenticity of the hub and returns the system's fingerprint.
+func (client *WebSocketClient) handleAuthChallenge(msg *common.HubRequest[cbor.RawMessage]) (err error) {
+	var authRequest common.FingerprintRequest
+	if err := cbor.Unmarshal(msg.Data, &authRequest); err != nil {
+		return err
+	}
+
+	if err := client.verifySignature(authRequest.Signature); err != nil {
+		return err
+	}
+
+	client.hubVerified = true
+	client.agent.connectionManager.eventChan <- WebSocketConnect
+
+	response := &common.FingerprintResponse{
+		Fingerprint: client.fingerprint,
+	}
+
+	if authRequest.NeedSysInfo {
+		response.Hostname = client.agent.systemInfo.Hostname
+		serverAddr := client.agent.connectionManager.serverOptions.Addr
+		_, response.Port, _ = net.SplitHostPort(serverAddr)
+	}
+
+	return client.sendMessage(response)
+}
+
+// verifySignature verifies the signature of the token using the public keys.
+func (client *WebSocketClient) verifySignature(signature []byte) (err error) {
+	for _, pubKey := range client.agent.keys {
+		sig := ssh.Signature{
+			Format: pubKey.Type(),
+			Blob:   signature,
+		}
+		if err = pubKey.Verify([]byte(client.token), &sig); err == nil {
+			return nil
+		}
+	}
+	return errors.New("invalid signature - check KEY value")
+}
+
+// Close closes the WebSocket connection gracefully.
+// This method is safe to call multiple times.
+func (client *WebSocketClient) Close() {
+	if client.Conn != nil {
+		_ = client.Conn.WriteClose(1000, nil)
+	}
+}
+
+// handleHubRequest routes the request to the appropriate handler.
+// It ensures the hub is verified before processing most requests.
+func (client *WebSocketClient) handleHubRequest(msg *common.HubRequest[cbor.RawMessage]) error {
+	if !client.hubVerified && msg.Action != common.CheckFingerprint {
+		return errors.New("hub not verified")
+	}
+	switch msg.Action {
+	case common.GetData:
+		return client.sendSystemData()
+	case common.CheckFingerprint:
+		return client.handleAuthChallenge(msg)
+	}
+	return nil
+}
+
+// sendSystemData gathers and sends current system statistics to the hub.
+func (client *WebSocketClient) sendSystemData() error {
+	sysStats := client.agent.gatherStats(client.token)
+	return client.sendMessage(sysStats)
+}
+
+// sendMessage encodes the given data to CBOR and sends it as a binary message over the WebSocket connection to the hub.
+func (client *WebSocketClient) sendMessage(data any) error {
+	bytes, err := cbor.Marshal(data)
+	if err != nil {
+		return err
+	}
+	return client.Conn.WriteMessage(gws.OpcodeBinary, bytes)
+}
+
+// getUserAgent returns one of two User-Agent strings based on current time.
+// This is used to avoid being blocked by Cloudflare or other anti-bot measures.
+func getUserAgent() string {
+	const (
+		uaBase    = "Mozilla/5.0 (%s) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36"
+		uaWindows = "Windows NT 11.0; Win64; x64"
+		uaMac     = "Macintosh; Intel Mac OS X 14_0_0"
+	)
+	if time.Now().UnixNano()%2 == 0 {
+		return fmt.Sprintf(uaBase, uaWindows)
+	}
+	return fmt.Sprintf(uaBase, uaMac)
+}

agent/client_test.go

@@ -0,0 +1,540 @@
+//go:build testing
+// +build testing
+
+package agent
+
+import (
+	"crypto/ed25519"
+	"net/url"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/henrygd/beszel"
+
+	"github.com/henrygd/beszel/internal/common"
+
+	"github.com/fxamacker/cbor/v2"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/crypto/ssh"
+)
+
+// TestNewWebSocketClient tests WebSocket client creation
+func TestNewWebSocketClient(t *testing.T) {
+	agent := createTestAgent(t)
+
+	testCases := []struct {
+		name        string
+		hubURL      string
+		token       string
+		expectError bool
+		errorMsg    string
+	}{
+		{
+			name:        "valid configuration",
+			hubURL:      "http://localhost:8080",
+			token:       "test-token-123",
+			expectError: false,
+		},
+		{
+			name:        "valid https URL",
+			hubURL:      "https://hub.example.com",
+			token:       "secure-token",
+			expectError: false,
+		},
+		{
+			name:        "missing hub URL",
+			hubURL:      "",
+			token:       "test-token",
+			expectError: true,
+			errorMsg:    "HUB_URL environment variable not set",
+		},
+		{
+			name:        "invalid URL",
+			hubURL:      "ht\ttp://invalid",
+			token:       "test-token",
+			expectError: true,
+			errorMsg:    "invalid hub URL",
+		},
+		{
+			name:        "missing token",
+			hubURL:      "http://localhost:8080",
+			token:       "",
+			expectError: true,
+			errorMsg:    "must set TOKEN or TOKEN_FILE",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			// Set up environment
+			if tc.hubURL != "" {
+				os.Setenv("BESZEL_AGENT_HUB_URL", tc.hubURL)
+			} else {
+				os.Unsetenv("BESZEL_AGENT_HUB_URL")
+			}
+			if tc.token != "" {
+				os.Setenv("BESZEL_AGENT_TOKEN", tc.token)
+			} else {
+				os.Unsetenv("BESZEL_AGENT_TOKEN")
+			}
+			defer func() {
+				os.Unsetenv("BESZEL_AGENT_HUB_URL")
+				os.Unsetenv("BESZEL_AGENT_TOKEN")
+			}()
+
+			client, err := newWebSocketClient(agent)
+
+			if tc.expectError {
+				assert.Error(t, err)
+				if err != nil && tc.errorMsg != "" {
+					assert.Contains(t, err.Error(), tc.errorMsg)
+				}
+				assert.Nil(t, client)
+			} else {
+				require.NoError(t, err)
+				assert.NotNil(t, client)
+				assert.Equal(t, agent, client.agent)
+				assert.Equal(t, tc.token, client.token)
+				assert.Equal(t, tc.hubURL, client.hubURL.String())
+				assert.NotEmpty(t, client.fingerprint)
+				assert.NotNil(t, client.hubRequest)
+			}
+		})
+	}
+}
+
+// TestWebSocketClient_GetOptions tests WebSocket client options configuration
+func TestWebSocketClient_GetOptions(t *testing.T) {
+	agent := createTestAgent(t)
+
+	testCases := []struct {
+		name           string
+		inputURL       string
+		expectedScheme string
+		expectedPath   string
+	}{
+		{
+			name:           "http to ws conversion",
+			inputURL:       "http://localhost:8080",
+			expectedScheme: "ws",
+			expectedPath:   "/api/beszel/agent-connect",
+		},
+		{
+			name:           "https to wss conversion",
+			inputURL:       "https://hub.example.com",
+			expectedScheme: "wss",
+			expectedPath:   "/api/beszel/agent-connect",
+		},
+		{
+			name:           "existing path preservation",
+			inputURL:       "http://localhost:8080/custom/path",
+			expectedScheme: "ws",
+			expectedPath:   "/custom/path/api/beszel/agent-connect",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			// Set up environment
+			os.Setenv("BESZEL_AGENT_HUB_URL", tc.inputURL)
+			os.Setenv("BESZEL_AGENT_TOKEN", "test-token")
+			defer func() {
+				os.Unsetenv("BESZEL_AGENT_HUB_URL")
+				os.Unsetenv("BESZEL_AGENT_TOKEN")
+			}()
+
+			client, err := newWebSocketClient(agent)
+			require.NoError(t, err)
+
+			options := client.getOptions()
+
+			// Parse the WebSocket URL
+			wsURL, err := url.Parse(options.Addr)
+			require.NoError(t, err)
+
+			assert.Equal(t, tc.expectedScheme, wsURL.Scheme)
+			assert.Equal(t, tc.expectedPath, wsURL.Path)
+
+			// Check headers
+			assert.Equal(t, "test-token", options.RequestHeader.Get("X-Token"))
+			assert.Equal(t, beszel.Version, options.RequestHeader.Get("X-Beszel"))
+			assert.Contains(t, options.RequestHeader.Get("User-Agent"), "Mozilla/5.0")
+
+			// Test options caching
+			options2 := client.getOptions()
+			assert.Same(t, options, options2, "Options should be cached")
+		})
+	}
+}
+
+// TestWebSocketClient_VerifySignature tests signature verification
+func TestWebSocketClient_VerifySignature(t *testing.T) {
+	agent := createTestAgent(t)
+
+	// Generate test key pairs
+	_, goodPrivKey, err := ed25519.GenerateKey(nil)
+	require.NoError(t, err)
+	goodPubKey, err := ssh.NewPublicKey(goodPrivKey.Public().(ed25519.PublicKey))
+	require.NoError(t, err)
+
+	_, badPrivKey, err := ed25519.GenerateKey(nil)
+	require.NoError(t, err)
+	badPubKey, err := ssh.NewPublicKey(badPrivKey.Public().(ed25519.PublicKey))
+	require.NoError(t, err)
+
+	// Set up environment
+	os.Setenv("BESZEL_AGENT_HUB_URL", "http://localhost:8080")
+	os.Setenv("BESZEL_AGENT_TOKEN", "test-token")
+	defer func() {
+		os.Unsetenv("BESZEL_AGENT_HUB_URL")
+		os.Unsetenv("BESZEL_AGENT_TOKEN")
+	}()
+
+	client, err := newWebSocketClient(agent)
+	require.NoError(t, err)
+
+	testCases := []struct {
+		name        string
+		keys        []ssh.PublicKey
+		token       string
+		signWith    ed25519.PrivateKey
+		expectError bool
+	}{
+		{
+			name:        "valid signature with correct key",
+			keys:        []ssh.PublicKey{goodPubKey},
+			token:       "test-token",
+			signWith:    goodPrivKey,
+			expectError: false,
+		},
+		{
+			name:        "invalid signature with wrong key",
+			keys:        []ssh.PublicKey{goodPubKey},
+			token:       "test-token",
+			signWith:    badPrivKey,
+			expectError: true,
+		},
+		{
+			name:        "valid signature with multiple keys",
+			keys:        []ssh.PublicKey{badPubKey, goodPubKey},
+			token:       "test-token",
+			signWith:    goodPrivKey,
+			expectError: false,
+		},
+		{
+			name:        "no valid keys",
+			keys:        []ssh.PublicKey{badPubKey},
+			token:       "test-token",
+			signWith:    goodPrivKey,
+			expectError: true,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			// Set up agent with test keys
+			agent.keys = tc.keys
+			client.token = tc.token
+
+			// Create signature
+			signature := ed25519.Sign(tc.signWith, []byte(tc.token))
+
+			err := client.verifySignature(signature)
+
+			if tc.expectError {
+				assert.Error(t, err)
+				assert.Contains(t, err.Error(), "invalid signature")
+			} else {
+				assert.NoError(t, err)
+			}
+		})
+	}
+}
+
+// TestWebSocketClient_HandleHubRequest tests hub request routing (basic verification logic)
+func TestWebSocketClient_HandleHubRequest(t *testing.T) {
+	agent := createTestAgent(t)
+
+	// Set up environment
+	os.Setenv("BESZEL_AGENT_HUB_URL", "http://localhost:8080")
+	os.Setenv("BESZEL_AGENT_TOKEN", "test-token")
+	defer func() {
+		os.Unsetenv("BESZEL_AGENT_HUB_URL")
+		os.Unsetenv("BESZEL_AGENT_TOKEN")
+	}()
+
+	client, err := newWebSocketClient(agent)
+	require.NoError(t, err)
+
+	testCases := []struct {
+		name        string
+		action      common.WebSocketAction
+		hubVerified bool
+		expectError bool
+		errorMsg    string
+	}{
+		{
+			name:        "CheckFingerprint without verification",
+			action:      common.CheckFingerprint,
+			hubVerified: false,
+			expectError: false, // CheckFingerprint is allowed without verification
+		},
+		{
+			name:        "GetData without verification",
+			action:      common.GetData,
+			hubVerified: false,
+			expectError: true,
+			errorMsg:    "hub not verified",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			client.hubVerified = tc.hubVerified
+
+			// Create minimal request
+			hubRequest := &common.HubRequest[cbor.RawMessage]{
+				Action: tc.action,
+				Data:   cbor.RawMessage{},
+			}
+
+			err := client.handleHubRequest(hubRequest)
+
+			if tc.expectError {
+				assert.Error(t, err)
+				if tc.errorMsg != "" {
+					assert.Contains(t, err.Error(), tc.errorMsg)
+				}
+			} else {
+				// For CheckFingerprint, we expect a decode error since we're not providing valid data,
+				// but it shouldn't be the "hub not verified" error
+				if err != nil && tc.errorMsg != "" {
+					assert.NotContains(t, err.Error(), tc.errorMsg)
+				}
+			}
+		})
+	}
+}
+
+// TestWebSocketClient_GetUserAgent tests user agent generation
+func TestGetUserAgent(t *testing.T) {
+	// Run multiple times to check both variants
+	userAgents := make(map[string]bool)
+
+	for range 20 {
+		ua := getUserAgent()
+		userAgents[ua] = true
+
+		// Check that it's a valid Mozilla user agent
+		assert.Contains(t, ua, "Mozilla/5.0")
+		assert.Contains(t, ua, "AppleWebKit/537.36")
+		assert.Contains(t, ua, "Chrome/124.0.0.0")
+		assert.Contains(t, ua, "Safari/537.36")
+
+		// Should contain either Windows or Mac
+		isWindows := strings.Contains(ua, "Windows NT 11.0")
+		isMac := strings.Contains(ua, "Macintosh; Intel Mac OS X 14_0_0")
+		assert.True(t, isWindows || isMac, "User agent should contain either Windows or Mac identifier")
+	}
+
+	// With enough iterations, we should see both variants
+	// though this might occasionally fail
+	if len(userAgents) == 1 {
+		t.Log("Note: Only one user agent variant was generated in this test run")
+	}
+}
+
+// TestWebSocketClient_Close tests connection closing
+func TestWebSocketClient_Close(t *testing.T) {
+	agent := createTestAgent(t)
+
+	// Set up environment
+	os.Setenv("BESZEL_AGENT_HUB_URL", "http://localhost:8080")
+	os.Setenv("BESZEL_AGENT_TOKEN", "test-token")
+	defer func() {
+		os.Unsetenv("BESZEL_AGENT_HUB_URL")
+		os.Unsetenv("BESZEL_AGENT_TOKEN")
+	}()
+
+	client, err := newWebSocketClient(agent)
+	require.NoError(t, err)
+
+	// Test closing with nil connection (should not panic)
+	assert.NotPanics(t, func() {
+		client.Close()
+	})
+}
+
+// TestWebSocketClient_ConnectRateLimit tests connection rate limiting
+func TestWebSocketClient_ConnectRateLimit(t *testing.T) {
+	agent := createTestAgent(t)
+
+	// Set up environment
+	os.Setenv("BESZEL_AGENT_HUB_URL", "http://localhost:8080")
+	os.Setenv("BESZEL_AGENT_TOKEN", "test-token")
+	defer func() {
+		os.Unsetenv("BESZEL_AGENT_HUB_URL")
+		os.Unsetenv("BESZEL_AGENT_TOKEN")
+	}()
+
+	client, err := newWebSocketClient(agent)
+	require.NoError(t, err)
+
+	// Set recent connection attempt
+	client.lastConnectAttempt = time.Now()
+
+	// Test that connection fails quickly due to rate limiting
+	// This won't actually connect but should fail fast
+	err = client.Connect()
+	assert.Error(t, err, "Connection should fail but not hang")
+}
+
+// TestGetToken tests the getToken function with various scenarios
+func TestGetToken(t *testing.T) {
+	unsetEnvVars := func() {
+		os.Unsetenv("BESZEL_AGENT_TOKEN")
+		os.Unsetenv("TOKEN")
+		os.Unsetenv("BESZEL_AGENT_TOKEN_FILE")
+		os.Unsetenv("TOKEN_FILE")
+	}
+
+	t.Run("token from TOKEN environment variable", func(t *testing.T) {
+		unsetEnvVars()
+
+		// Set TOKEN env var
+		expectedToken := "test-token-from-env"
+		os.Setenv("TOKEN", expectedToken)
+		defer os.Unsetenv("TOKEN")
+
+		token, err := getToken()
+		assert.NoError(t, err)
+		assert.Equal(t, expectedToken, token)
+	})
+
+	t.Run("token from BESZEL_AGENT_TOKEN environment variable", func(t *testing.T) {
+		unsetEnvVars()
+
+		// Set BESZEL_AGENT_TOKEN env var (should take precedence)
+		expectedToken := "test-token-from-beszel-env"
+		os.Setenv("BESZEL_AGENT_TOKEN", expectedToken)
+		defer os.Unsetenv("BESZEL_AGENT_TOKEN")
+
+		token, err := getToken()
+		assert.NoError(t, err)
+		assert.Equal(t, expectedToken, token)
+	})
+
+	t.Run("token from TOKEN_FILE", func(t *testing.T) {
+		unsetEnvVars()
+
+		// Create a temporary token file
+		expectedToken := "test-token-from-file"
+		tokenFile, err := os.CreateTemp("", "token-test-*.txt")
+		require.NoError(t, err)
+		defer os.Remove(tokenFile.Name())
+
+		_, err = tokenFile.WriteString(expectedToken)
+		require.NoError(t, err)
+		tokenFile.Close()
+
+		// Set TOKEN_FILE env var
+		os.Setenv("TOKEN_FILE", tokenFile.Name())
+		defer os.Unsetenv("TOKEN_FILE")
+
+		token, err := getToken()
+		assert.NoError(t, err)
+		assert.Equal(t, expectedToken, token)
+	})
+
+	t.Run("token from BESZEL_AGENT_TOKEN_FILE", func(t *testing.T) {
+		unsetEnvVars()
+
+		// Create a temporary token file
+		expectedToken := "test-token-from-beszel-file"
+		tokenFile, err := os.CreateTemp("", "token-test-*.txt")
+		require.NoError(t, err)
+		defer os.Remove(tokenFile.Name())
+
+		_, err = tokenFile.WriteString(expectedToken)
+		require.NoError(t, err)
+		tokenFile.Close()
+
+		// Set BESZEL_AGENT_TOKEN_FILE env var (should take precedence)
+		os.Setenv("BESZEL_AGENT_TOKEN_FILE", tokenFile.Name())
+		defer os.Unsetenv("BESZEL_AGENT_TOKEN_FILE")
+
+		token, err := getToken()
+		assert.NoError(t, err)
+		assert.Equal(t, expectedToken, token)
+	})
+
+	t.Run("TOKEN takes precedence over TOKEN_FILE", func(t *testing.T) {
+		unsetEnvVars()
+
+		// Create a temporary token file
+		fileToken := "token-from-file"
+		tokenFile, err := os.CreateTemp("", "token-test-*.txt")
+		require.NoError(t, err)
+		defer os.Remove(tokenFile.Name())
+
+		_, err = tokenFile.WriteString(fileToken)
+		require.NoError(t, err)
+		tokenFile.Close()
+
+		// Set both TOKEN and TOKEN_FILE
+		envToken := "token-from-env"
+		os.Setenv("TOKEN", envToken)
+		os.Setenv("TOKEN_FILE", tokenFile.Name())
+		defer func() {
+			os.Unsetenv("TOKEN")
+			os.Unsetenv("TOKEN_FILE")
+		}()
+
+		token, err := getToken()
+		assert.NoError(t, err)
+		assert.Equal(t, envToken, token, "TOKEN should take precedence over TOKEN_FILE")
+	})
+
+	t.Run("error when neither TOKEN nor TOKEN_FILE is set", func(t *testing.T) {
+		unsetEnvVars()
+
+		token, err := getToken()
+		assert.Error(t, err)
+		assert.Equal(t, "", token)
+		assert.Contains(t, err.Error(), "must set TOKEN or TOKEN_FILE")
+	})
+
+	t.Run("error when TOKEN_FILE points to non-existent file", func(t *testing.T) {
+		unsetEnvVars()
+
+		// Set TOKEN_FILE to a non-existent file
+		os.Setenv("TOKEN_FILE", "/non/existent/file.txt")
+		defer os.Unsetenv("TOKEN_FILE")
+
+		token, err := getToken()
+		assert.Error(t, err)
+		assert.Equal(t, "", token)
+		assert.Contains(t, err.Error(), "no such file or directory")
+	})
+
+	t.Run("handles empty token file", func(t *testing.T) {
+		unsetEnvVars()
+
+		// Create an empty token file
+		tokenFile, err := os.CreateTemp("", "token-test-*.txt")
+		require.NoError(t, err)
+		defer os.Remove(tokenFile.Name())
+		tokenFile.Close()
+
+		// Set TOKEN_FILE env var
+		os.Setenv("TOKEN_FILE", tokenFile.Name())
+		defer os.Unsetenv("TOKEN_FILE")
+
+		token, err := getToken()
+		assert.NoError(t, err)
+		assert.Equal(t, "", token, "Empty file should return empty string")
+	})
+}

agent/connection_manager.go

@@ -0,0 +1,221 @@
+package agent
+
+import (
+	"errors"
+	"log/slog"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/henrygd/beszel/agent/health"
+)
+
+// ConnectionManager manages the connection state and events for the agent.
+// It handles both WebSocket and SSH connections, automatically switching between
+// them based on availability and managing reconnection attempts.
+type ConnectionManager struct {
+	agent         *Agent               // Reference to the parent agent
+	State         ConnectionState      // Current connection state
+	eventChan     chan ConnectionEvent // Channel for connection events
+	wsClient      *WebSocketClient     // WebSocket client for hub communication
+	serverOptions ServerOptions        // Configuration for SSH server
+	wsTicker      *time.Ticker         // Ticker for WebSocket connection attempts
+	isConnecting  bool                 // Prevents multiple simultaneous reconnection attempts
+}
+
+// ConnectionState represents the current connection state of the agent.
+type ConnectionState uint8
+
+// ConnectionEvent represents connection-related events that can occur.
+type ConnectionEvent uint8
+
+// Connection states
+const (
+	Disconnected       ConnectionState = iota // No active connection
+	WebSocketConnected                        // Connected via WebSocket
+	SSHConnected                              // Connected via SSH
+)
+
+// Connection events
+const (
+	WebSocketConnect    ConnectionEvent = iota // WebSocket connection established
+	WebSocketDisconnect                        // WebSocket connection lost
+	SSHConnect                                 // SSH connection established
+	SSHDisconnect                              // SSH connection lost
+)
+
+const wsTickerInterval = 10 * time.Second
+
+// newConnectionManager creates a new connection manager for the given agent.
+func newConnectionManager(agent *Agent) *ConnectionManager {
+	cm := &ConnectionManager{
+		agent: agent,
+		State: Disconnected,
+	}
+	return cm
+}
+
+// startWsTicker starts or resets the WebSocket connection attempt ticker.
+func (c *ConnectionManager) startWsTicker() {
+	if c.wsTicker == nil {
+		c.wsTicker = time.NewTicker(wsTickerInterval)
+	} else {
+		c.wsTicker.Reset(wsTickerInterval)
+	}
+}
+
+// stopWsTicker stops the WebSocket connection attempt ticker.
+func (c *ConnectionManager) stopWsTicker() {
+	if c.wsTicker != nil {
+		c.wsTicker.Stop()
+	}
+}
+
+// Start begins connection attempts and enters the main event loop.
+// It handles connection events, periodic health updates, and graceful shutdown.
+func (c *ConnectionManager) Start(serverOptions ServerOptions) error {
+	if c.eventChan != nil {
+		return errors.New("already started")
+	}
+
+	wsClient, err := newWebSocketClient(c.agent)
+	if err != nil {
+		slog.Warn("Error creating WebSocket client", "err", err)
+	}
+	c.wsClient = wsClient
+
+	c.serverOptions = serverOptions
+	c.eventChan = make(chan ConnectionEvent, 1)
+
+	// signal handling for shutdown
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
+
+	c.startWsTicker()
+	c.connect()
+
+	// update health status immediately and every 90 seconds
+	_ = health.Update()
+	healthTicker := time.Tick(90 * time.Second)
+
+	for {
+		select {
+		case connectionEvent := <-c.eventChan:
+			c.handleEvent(connectionEvent)
+		case <-c.wsTicker.C:
+			_ = c.startWebSocketConnection()
+		case <-healthTicker:
+			_ = health.Update()
+		case <-sigChan:
+			slog.Info("Shutting down")
+			_ = c.agent.StopServer()
+			c.closeWebSocket()
+			return health.CleanUp()
+		}
+	}
+}
+
+// handleEvent processes connection events and updates the connection state accordingly.
+func (c *ConnectionManager) handleEvent(event ConnectionEvent) {
+	switch event {
+	case WebSocketConnect:
+		c.handleStateChange(WebSocketConnected)
+	case SSHConnect:
+		c.handleStateChange(SSHConnected)
+	case WebSocketDisconnect:
+		if c.State == WebSocketConnected {
+			c.handleStateChange(Disconnected)
+		}
+	case SSHDisconnect:
+		if c.State == SSHConnected {
+			c.handleStateChange(Disconnected)
+		}
+	}
+}
+
+// handleStateChange updates the connection state and performs necessary actions
+// based on the new state, including stopping services and initiating reconnections.
+func (c *ConnectionManager) handleStateChange(newState ConnectionState) {
+	if c.State == newState {
+		return
+	}
+	c.State = newState
+	switch newState {
+	case WebSocketConnected:
+		slog.Info("WebSocket connected", "host", c.wsClient.hubURL.Host)
+		c.stopWsTicker()
+		_ = c.agent.StopServer()
+		c.isConnecting = false
+	case SSHConnected:
+		// stop new ws connection attempts
+		slog.Info("SSH connection established")
+		c.stopWsTicker()
+		c.isConnecting = false
+	case Disconnected:
+		if c.isConnecting {
+			// Already handling reconnection, avoid duplicate attempts
+			return
+		}
+		c.isConnecting = true
+		slog.Warn("Disconnected from hub")
+		// make sure old ws connection is closed
+		c.closeWebSocket()
+		// reconnect
+		go c.connect()
+	}
+}
+
+// connect handles the connection logic with proper delays and priority.
+// It attempts WebSocket connection first, falling back to SSH server if needed.
+func (c *ConnectionManager) connect() {
+	c.isConnecting = true
+	defer func() {
+		c.isConnecting = false
+	}()
+
+	if c.wsClient != nil && time.Since(c.wsClient.lastConnectAttempt) < 5*time.Second {
+		time.Sleep(5 * time.Second)
+	}
+
+	// Try WebSocket first, if it fails, start SSH server
+	err := c.startWebSocketConnection()
+	if err != nil && c.State == Disconnected {
+		c.startSSHServer()
+		c.startWsTicker()
+	}
+}
+
+// startWebSocketConnection attempts to establish a WebSocket connection to the hub.
+func (c *ConnectionManager) startWebSocketConnection() error {
+	if c.State != Disconnected {
+		return errors.New("already connected")
+	}
+	if c.wsClient == nil {
+		return errors.New("WebSocket client not initialized")
+	}
+	if time.Since(c.wsClient.lastConnectAttempt) < 5*time.Second {
+		return errors.New("already connecting")
+	}
+
+	err := c.wsClient.Connect()
+	if err != nil {
+		slog.Warn("WebSocket connection failed", "err", err)
+		c.closeWebSocket()
+	}
+	return err
+}
+
+// startSSHServer starts the SSH server if the agent is currently disconnected.
+func (c *ConnectionManager) startSSHServer() {
+	if c.State == Disconnected {
+		go c.agent.StartServer(c.serverOptions)
+	}
+}
+
+// closeWebSocket closes the WebSocket connection if it exists.
+func (c *ConnectionManager) closeWebSocket() {
+	if c.wsClient != nil {
+		c.wsClient.Close()
+	}
+}

agent/connection_manager_test.go

@@ -0,0 +1,315 @@
+//go:build testing
+// +build testing
+
+package agent
+
+import (
+	"crypto/ed25519"
+	"fmt"
+	"net"
+	"net/url"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/crypto/ssh"
+)
+
+func createTestAgent(t *testing.T) *Agent {
+	dataDir := t.TempDir()
+	agent, err := NewAgent(dataDir)
+	require.NoError(t, err)
+	return agent
+}
+
+func createTestServerOptions(t *testing.T) ServerOptions {
+	// Generate test key pair
+	_, privKey, err := ed25519.GenerateKey(nil)
+	require.NoError(t, err)
+	sshPubKey, err := ssh.NewPublicKey(privKey.Public().(ed25519.PublicKey))
+	require.NoError(t, err)
+
+	// Find available port
+	listener, err := net.Listen("tcp", "127.0.0.1:0")
+	require.NoError(t, err)
+	port := listener.Addr().(*net.TCPAddr).Port
+	listener.Close()
+
+	return ServerOptions{
+		Network: "tcp",
+		Addr:    fmt.Sprintf("127.0.0.1:%d", port),
+		Keys:    []ssh.PublicKey{sshPubKey},
+	}
+}
+
+// TestConnectionManager_NewConnectionManager tests connection manager creation
+func TestConnectionManager_NewConnectionManager(t *testing.T) {
+	agent := createTestAgent(t)
+	cm := newConnectionManager(agent)
+
+	assert.NotNil(t, cm, "Connection manager should not be nil")
+	assert.Equal(t, agent, cm.agent, "Agent reference should be set")
+	assert.Equal(t, Disconnected, cm.State, "Initial state should be Disconnected")
+	assert.Nil(t, cm.eventChan, "Event channel should be nil initially")
+	assert.Nil(t, cm.wsClient, "WebSocket client should be nil initially")
+	assert.Nil(t, cm.wsTicker, "WebSocket ticker should be nil initially")
+	assert.False(t, cm.isConnecting, "isConnecting should be false initially")
+}
+
+// TestConnectionManager_StateTransitions tests basic state transitions
+func TestConnectionManager_StateTransitions(t *testing.T) {
+	agent := createTestAgent(t)
+	cm := agent.connectionManager
+	initialState := cm.State
+	cm.wsClient = &WebSocketClient{
+		hubURL: &url.URL{
+			Host: "localhost:8080",
+		},
+	}
+	assert.NotNil(t, cm, "Connection manager should not be nil")
+	assert.Equal(t, Disconnected, initialState, "Initial state should be Disconnected")
+
+	// Test state transitions
+	cm.handleStateChange(WebSocketConnected)
+	assert.Equal(t, WebSocketConnected, cm.State, "State should change to WebSocketConnected")
+
+	cm.handleStateChange(SSHConnected)
+	assert.Equal(t, SSHConnected, cm.State, "State should change to SSHConnected")
+
+	cm.handleStateChange(Disconnected)
+	assert.Equal(t, Disconnected, cm.State, "State should change to Disconnected")
+
+	// Test that same state doesn't trigger changes
+	cm.State = WebSocketConnected
+	cm.handleStateChange(WebSocketConnected)
+	assert.Equal(t, WebSocketConnected, cm.State, "Same state should not trigger change")
+}
+
+// TestConnectionManager_EventHandling tests event handling logic
+func TestConnectionManager_EventHandling(t *testing.T) {
+	agent := createTestAgent(t)
+	cm := agent.connectionManager
+	cm.wsClient = &WebSocketClient{
+		hubURL: &url.URL{
+			Host: "localhost:8080",
+		},
+	}
+
+	testCases := []struct {
+		name          string
+		initialState  ConnectionState
+		event         ConnectionEvent
+		expectedState ConnectionState
+	}{
+		{
+			name:          "WebSocket connect from disconnected",
+			initialState:  Disconnected,
+			event:         WebSocketConnect,
+			expectedState: WebSocketConnected,
+		},
+		{
+			name:          "SSH connect from disconnected",
+			initialState:  Disconnected,
+			event:         SSHConnect,
+			expectedState: SSHConnected,
+		},
+		{
+			name:          "WebSocket disconnect from connected",
+			initialState:  WebSocketConnected,
+			event:         WebSocketDisconnect,
+			expectedState: Disconnected,
+		},
+		{
+			name:          "SSH disconnect from connected",
+			initialState:  SSHConnected,
+			event:         SSHDisconnect,
+			expectedState: Disconnected,
+		},
+		{
+			name:          "WebSocket disconnect from SSH connected (no change)",
+			initialState:  SSHConnected,
+			event:         WebSocketDisconnect,
+			expectedState: SSHConnected,
+		},
+		{
+			name:          "SSH disconnect from WebSocket connected (no change)",
+			initialState:  WebSocketConnected,
+			event:         SSHDisconnect,
+			expectedState: WebSocketConnected,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			cm.State = tc.initialState
+			cm.handleEvent(tc.event)
+			assert.Equal(t, tc.expectedState, cm.State, "State should match expected after event")
+		})
+	}
+}
+
+// TestConnectionManager_TickerManagement tests WebSocket ticker management
+func TestConnectionManager_TickerManagement(t *testing.T) {
+	agent := createTestAgent(t)
+	cm := agent.connectionManager
+
+	// Test starting ticker
+	cm.startWsTicker()
+	assert.NotNil(t, cm.wsTicker, "Ticker should be created")
+
+	// Test stopping ticker (should not panic)
+	assert.NotPanics(t, func() {
+		cm.stopWsTicker()
+	}, "Stopping ticker should not panic")
+
+	// Test stopping nil ticker (should not panic)
+	cm.wsTicker = nil
+	assert.NotPanics(t, func() {
+		cm.stopWsTicker()
+	}, "Stopping nil ticker should not panic")
+
+	// Test restarting ticker
+	cm.startWsTicker()
+	assert.NotNil(t, cm.wsTicker, "Ticker should be recreated")
+
+	// Test resetting existing ticker
+	firstTicker := cm.wsTicker
+	cm.startWsTicker()
+	assert.Equal(t, firstTicker, cm.wsTicker, "Same ticker instance should be reused")
+
+	cm.stopWsTicker()
+}
+
+// TestConnectionManager_WebSocketConnectionFlow tests WebSocket connection logic
+func TestConnectionManager_WebSocketConnectionFlow(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping WebSocket connection test in short mode")
+	}
+
+	agent := createTestAgent(t)
+	cm := agent.connectionManager
+
+	// Test WebSocket connection without proper environment
+	err := cm.startWebSocketConnection()
+	assert.Error(t, err, "WebSocket connection should fail without proper environment")
+	assert.Equal(t, Disconnected, cm.State, "State should remain Disconnected after failed connection")
+
+	// Test with invalid URL
+	os.Setenv("BESZEL_AGENT_HUB_URL", "invalid-url")
+	os.Setenv("BESZEL_AGENT_TOKEN", "test-token")
+	defer func() {
+		os.Unsetenv("BESZEL_AGENT_HUB_URL")
+		os.Unsetenv("BESZEL_AGENT_TOKEN")
+	}()
+
+	// Test with missing token
+	os.Setenv("BESZEL_AGENT_HUB_URL", "http://localhost:8080")
+	os.Unsetenv("BESZEL_AGENT_TOKEN")
+
+	_, err2 := newWebSocketClient(agent)
+	assert.Error(t, err2, "WebSocket client creation should fail without token")
+}
+
+// TestConnectionManager_ReconnectionLogic tests reconnection prevention logic
+func TestConnectionManager_ReconnectionLogic(t *testing.T) {
+	agent := createTestAgent(t)
+	cm := agent.connectionManager
+	cm.eventChan = make(chan ConnectionEvent, 1)
+
+	// Test that isConnecting flag prevents duplicate reconnection attempts
+	// Start from connected state, then simulate disconnect
+	cm.State = WebSocketConnected
+	cm.isConnecting = false
+
+	// First disconnect should trigger reconnection logic
+	cm.handleStateChange(Disconnected)
+	assert.Equal(t, Disconnected, cm.State, "Should change to disconnected")
+	assert.True(t, cm.isConnecting, "Should set isConnecting flag")
+}
+
+// TestConnectionManager_ConnectWithRateLimit tests connection rate limiting
+func TestConnectionManager_ConnectWithRateLimit(t *testing.T) {
+	agent := createTestAgent(t)
+	cm := agent.connectionManager
+
+	// Set up environment for WebSocket client creation
+	os.Setenv("BESZEL_AGENT_HUB_URL", "ws://localhost:8080")
+	os.Setenv("BESZEL_AGENT_TOKEN", "test-token")
+	defer func() {
+		os.Unsetenv("BESZEL_AGENT_HUB_URL")
+		os.Unsetenv("BESZEL_AGENT_TOKEN")
+	}()
+
+	// Create WebSocket client
+	wsClient, err := newWebSocketClient(agent)
+	require.NoError(t, err)
+	cm.wsClient = wsClient
+
+	// Set recent connection attempt
+	cm.wsClient.lastConnectAttempt = time.Now()
+
+	// Test that connection is rate limited
+	err = cm.startWebSocketConnection()
+	assert.Error(t, err, "Should error due to rate limiting")
+	assert.Contains(t, err.Error(), "already connecting", "Error should indicate rate limiting")
+
+	// Test connection after rate limit expires
+	cm.wsClient.lastConnectAttempt = time.Now().Add(-10 * time.Second)
+	err = cm.startWebSocketConnection()
+	// This will fail due to no actual server, but should not be rate limited
+	assert.Error(t, err, "Connection should fail but not due to rate limiting")
+	assert.NotContains(t, err.Error(), "already connecting", "Error should not indicate rate limiting")
+}
+
+// TestConnectionManager_StartWithInvalidConfig tests starting with invalid configuration
+func TestConnectionManager_StartWithInvalidConfig(t *testing.T) {
+	agent := createTestAgent(t)
+	cm := agent.connectionManager
+	serverOptions := createTestServerOptions(t)
+
+	// Test starting when already started
+	cm.eventChan = make(chan ConnectionEvent, 5)
+	err := cm.Start(serverOptions)
+	assert.Error(t, err, "Should error when starting already started connection manager")
+}
+
+// TestConnectionManager_CloseWebSocket tests WebSocket closing
+func TestConnectionManager_CloseWebSocket(t *testing.T) {
+	agent := createTestAgent(t)
+	cm := agent.connectionManager
+
+	// Test closing when no WebSocket client exists
+	assert.NotPanics(t, func() {
+		cm.closeWebSocket()
+	}, "Should not panic when closing nil WebSocket client")
+
+	// Set up environment and create WebSocket client
+	os.Setenv("BESZEL_AGENT_HUB_URL", "ws://localhost:8080")
+	os.Setenv("BESZEL_AGENT_TOKEN", "test-token")
+	defer func() {
+		os.Unsetenv("BESZEL_AGENT_HUB_URL")
+		os.Unsetenv("BESZEL_AGENT_TOKEN")
+	}()
+
+	wsClient, err := newWebSocketClient(agent)
+	require.NoError(t, err)
+	cm.wsClient = wsClient
+
+	// Test closing when WebSocket client exists
+	assert.NotPanics(t, func() {
+		cm.closeWebSocket()
+	}, "Should not panic when closing WebSocket client")
+}
+
+// TestConnectionManager_ConnectFlow tests the connect method
+func TestConnectionManager_ConnectFlow(t *testing.T) {
+	agent := createTestAgent(t)
+	cm := agent.connectionManager
+
+	// Test connect without WebSocket client
+	assert.NotPanics(t, func() {
+		cm.connect()
+	}, "Connect should not panic without WebSocket client")
+}

agent/data_dir.go

@@ -0,0 +1,117 @@
+package agent
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"runtime"
+)
+
+// getDataDir returns the path to the data directory for the agent and an error
+// if the directory is not valid. Attempts to find the optimal data directory if
+// no data directories are provided.
+func getDataDir(dataDirs ...string) (string, error) {
+	if len(dataDirs) > 0 {
+		return testDataDirs(dataDirs)
+	}
+
+	dataDir, _ := GetEnv("DATA_DIR")
+	if dataDir != "" {
+		dataDirs = append(dataDirs, dataDir)
+	}
+
+	if runtime.GOOS == "windows" {
+		dataDirs = append(dataDirs,
+			filepath.Join(os.Getenv("APPDATA"), "beszel-agent"),
+			filepath.Join(os.Getenv("LOCALAPPDATA"), "beszel-agent"),
+		)
+	} else {
+		dataDirs = append(dataDirs, "/var/lib/beszel-agent")
+		if homeDir, err := os.UserHomeDir(); err == nil {
+			dataDirs = append(dataDirs, filepath.Join(homeDir, ".config", "beszel"))
+		}
+	}
+	return testDataDirs(dataDirs)
+}
+
+func testDataDirs(paths []string) (string, error) {
+	// first check if the directory exists and is writable
+	for _, path := range paths {
+		if valid, _ := isValidDataDir(path, false); valid {
+			return path, nil
+		}
+	}
+	// if the directory doesn't exist, try to create it
+	for _, path := range paths {
+		exists, _ := directoryExists(path)
+		if exists {
+			continue
+		}
+
+		if err := os.MkdirAll(path, 0755); err != nil {
+			continue
+		}
+
+		// Verify the created directory is actually writable
+		writable, _ := directoryIsWritable(path)
+		if !writable {
+			continue
+		}
+
+		return path, nil
+	}
+
+	return "", errors.New("data directory not found")
+}
+
+func isValidDataDir(path string, createIfNotExists bool) (bool, error) {
+	exists, err := directoryExists(path)
+	if err != nil {
+		return false, err
+	}
+
+	if !exists {
+		if !createIfNotExists {
+			return false, nil
+		}
+		if err = os.MkdirAll(path, 0755); err != nil {
+			return false, err
+		}
+	}
+
+	// Always check if the directory is writable
+	writable, err := directoryIsWritable(path)
+	if err != nil {
+		return false, err
+	}
+	return writable, nil
+}
+
+// directoryExists checks if a directory exists
+func directoryExists(path string) (bool, error) {
+	// Check if directory exists
+	stat, err := os.Stat(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return false, nil
+		}
+		return false, err
+	}
+	if !stat.IsDir() {
+		return false, fmt.Errorf("%s is not a directory", path)
+	}
+	return true, nil
+}
+
+// directoryIsWritable tests if a directory is writable by creating and removing a temporary file
+func directoryIsWritable(path string) (bool, error) {
+	testFile := filepath.Join(path, ".write-test")
+	file, err := os.Create(testFile)
+	if err != nil {
+		return false, err
+	}
+	defer file.Close()
+	defer os.Remove(testFile)
+	return true, nil
+}

agent/data_dir_test.go

@@ -0,0 +1,263 @@
+//go:build testing
+// +build testing
+
+package agent
+
+import (
+	"os"
+	"path/filepath"
+	"runtime"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetDataDir(t *testing.T) {
+	// Test with explicit dataDir parameter
+	t.Run("explicit data dir", func(t *testing.T) {
+		tempDir := t.TempDir()
+		result, err := getDataDir(tempDir)
+		require.NoError(t, err)
+		assert.Equal(t, tempDir, result)
+	})
+
+	// Test with explicit non-existent dataDir that can be created
+	t.Run("explicit data dir - create new", func(t *testing.T) {
+		tempDir := t.TempDir()
+		newDir := filepath.Join(tempDir, "new-data-dir")
+		result, err := getDataDir(newDir)
+		require.NoError(t, err)
+		assert.Equal(t, newDir, result)
+
+		// Verify directory was created
+		stat, err := os.Stat(newDir)
+		require.NoError(t, err)
+		assert.True(t, stat.IsDir())
+	})
+
+	// Test with DATA_DIR environment variable
+	t.Run("DATA_DIR environment variable", func(t *testing.T) {
+		tempDir := t.TempDir()
+
+		// Set environment variable
+		oldValue := os.Getenv("DATA_DIR")
+		defer func() {
+			if oldValue == "" {
+				os.Unsetenv("BESZEL_AGENT_DATA_DIR")
+			} else {
+				os.Setenv("BESZEL_AGENT_DATA_DIR", oldValue)
+			}
+		}()
+
+		os.Setenv("BESZEL_AGENT_DATA_DIR", tempDir)
+
+		result, err := getDataDir()
+		require.NoError(t, err)
+		assert.Equal(t, tempDir, result)
+	})
+
+	// Test with invalid explicit dataDir
+	t.Run("invalid explicit data dir", func(t *testing.T) {
+		invalidPath := "/invalid/path/that/cannot/be/created"
+		_, err := getDataDir(invalidPath)
+		assert.Error(t, err)
+	})
+
+	// Test fallback behavior (empty dataDir, no env var)
+	t.Run("fallback to default directories", func(t *testing.T) {
+		// Clear DATA_DIR environment variable
+		oldValue := os.Getenv("DATA_DIR")
+		defer func() {
+			if oldValue == "" {
+				os.Unsetenv("DATA_DIR")
+			} else {
+				os.Setenv("DATA_DIR", oldValue)
+			}
+		}()
+		os.Unsetenv("DATA_DIR")
+
+		// This will try platform-specific defaults, which may or may not work
+		// We're mainly testing that it doesn't panic and returns some result
+		result, err := getDataDir()
+		// We don't assert success/failure here since it depends on system permissions
+		// Just verify we get a string result if no error
+		if err == nil {
+			assert.NotEmpty(t, result)
+		}
+	})
+}
+
+func TestTestDataDirs(t *testing.T) {
+	// Test with existing valid directory
+	t.Run("existing valid directory", func(t *testing.T) {
+		tempDir := t.TempDir()
+		result, err := testDataDirs([]string{tempDir})
+		require.NoError(t, err)
+		assert.Equal(t, tempDir, result)
+	})
+
+	// Test with multiple directories, first one valid
+	t.Run("multiple dirs - first valid", func(t *testing.T) {
+		tempDir := t.TempDir()
+		invalidDir := "/invalid/path"
+		result, err := testDataDirs([]string{tempDir, invalidDir})
+		require.NoError(t, err)
+		assert.Equal(t, tempDir, result)
+	})
+
+	// Test with multiple directories, second one valid
+	t.Run("multiple dirs - second valid", func(t *testing.T) {
+		tempDir := t.TempDir()
+		invalidDir := "/invalid/path"
+		result, err := testDataDirs([]string{invalidDir, tempDir})
+		require.NoError(t, err)
+		assert.Equal(t, tempDir, result)
+	})
+
+	// Test with non-existing directory that can be created
+	t.Run("create new directory", func(t *testing.T) {
+		tempDir := t.TempDir()
+		newDir := filepath.Join(tempDir, "new-dir")
+		result, err := testDataDirs([]string{newDir})
+		require.NoError(t, err)
+		assert.Equal(t, newDir, result)
+
+		// Verify directory was created
+		stat, err := os.Stat(newDir)
+		require.NoError(t, err)
+		assert.True(t, stat.IsDir())
+	})
+
+	// Test with no valid directories
+	t.Run("no valid directories", func(t *testing.T) {
+		invalidPaths := []string{"/invalid/path1", "/invalid/path2"}
+		_, err := testDataDirs(invalidPaths)
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "data directory not found")
+	})
+}
+
+func TestIsValidDataDir(t *testing.T) {
+	// Test with existing directory
+	t.Run("existing directory", func(t *testing.T) {
+		tempDir := t.TempDir()
+		valid, err := isValidDataDir(tempDir, false)
+		require.NoError(t, err)
+		assert.True(t, valid)
+	})
+
+	// Test with non-existing directory, createIfNotExists=false
+	t.Run("non-existing dir - no create", func(t *testing.T) {
+		tempDir := t.TempDir()
+		nonExistentDir := filepath.Join(tempDir, "does-not-exist")
+		valid, err := isValidDataDir(nonExistentDir, false)
+		require.NoError(t, err)
+		assert.False(t, valid)
+	})
+
+	// Test with non-existing directory, createIfNotExists=true
+	t.Run("non-existing dir - create", func(t *testing.T) {
+		tempDir := t.TempDir()
+		newDir := filepath.Join(tempDir, "new-dir")
+		valid, err := isValidDataDir(newDir, true)
+		require.NoError(t, err)
+		assert.True(t, valid)
+
+		// Verify directory was created
+		stat, err := os.Stat(newDir)
+		require.NoError(t, err)
+		assert.True(t, stat.IsDir())
+	})
+
+	// Test with file instead of directory
+	t.Run("file instead of directory", func(t *testing.T) {
+		tempDir := t.TempDir()
+		tempFile := filepath.Join(tempDir, "testfile")
+		err := os.WriteFile(tempFile, []byte("test"), 0644)
+		require.NoError(t, err)
+
+		valid, err := isValidDataDir(tempFile, false)
+		assert.Error(t, err)
+		assert.False(t, valid)
+		assert.Contains(t, err.Error(), "is not a directory")
+	})
+}
+
+func TestDirectoryExists(t *testing.T) {
+	// Test with existing directory
+	t.Run("existing directory", func(t *testing.T) {
+		tempDir := t.TempDir()
+		exists, err := directoryExists(tempDir)
+		require.NoError(t, err)
+		assert.True(t, exists)
+	})
+
+	// Test with non-existing directory
+	t.Run("non-existing directory", func(t *testing.T) {
+		tempDir := t.TempDir()
+		nonExistentDir := filepath.Join(tempDir, "does-not-exist")
+		exists, err := directoryExists(nonExistentDir)
+		require.NoError(t, err)
+		assert.False(t, exists)
+	})
+
+	// Test with file instead of directory
+	t.Run("file instead of directory", func(t *testing.T) {
+		tempDir := t.TempDir()
+		tempFile := filepath.Join(tempDir, "testfile")
+		err := os.WriteFile(tempFile, []byte("test"), 0644)
+		require.NoError(t, err)
+
+		exists, err := directoryExists(tempFile)
+		assert.Error(t, err)
+		assert.False(t, exists)
+		assert.Contains(t, err.Error(), "is not a directory")
+	})
+}
+
+func TestDirectoryIsWritable(t *testing.T) {
+	// Test with writable directory
+	t.Run("writable directory", func(t *testing.T) {
+		tempDir := t.TempDir()
+		writable, err := directoryIsWritable(tempDir)
+		require.NoError(t, err)
+		assert.True(t, writable)
+	})
+
+	// Test with non-existing directory
+	t.Run("non-existing directory", func(t *testing.T) {
+		tempDir := t.TempDir()
+		nonExistentDir := filepath.Join(tempDir, "does-not-exist")
+		writable, err := directoryIsWritable(nonExistentDir)
+		assert.Error(t, err)
+		assert.False(t, writable)
+	})
+
+	// Test with non-writable directory (Unix-like systems only)
+	t.Run("non-writable directory", func(t *testing.T) {
+		if runtime.GOOS != "linux" && runtime.GOOS != "darwin" {
+			t.Skip("Skipping non-writable directory test on", runtime.GOOS)
+		}
+
+		tempDir := t.TempDir()
+		readOnlyDir := filepath.Join(tempDir, "readonly")
+
+		// Create the directory
+		err := os.Mkdir(readOnlyDir, 0755)
+		require.NoError(t, err)
+
+		// Make it read-only
+		err = os.Chmod(readOnlyDir, 0444)
+		require.NoError(t, err)
+
+		// Restore permissions after test for cleanup
+		defer func() {
+			os.Chmod(readOnlyDir, 0755)
+		}()
+
+		writable, err := directoryIsWritable(readOnlyDir)
+		assert.Error(t, err)
+		assert.False(t, writable)
+	})
+}

agent/disk.go

@@ -1,7 +1,6 @@
 package agent
 
 import (
-	"beszel/internal/entities/system"
 	"log/slog"
 	"os"
 	"path/filepath"
@@ -9,6 +8,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/henrygd/beszel/internal/entities/system"
+
 	"github.com/shirou/gopsutil/v4/disk"
 )
 

agent/docker.go

@@ -1,7 +1,7 @@
 package agent
 
 import (
-	"beszel/internal/entities/container"
+	"bytes"
 	"context"
 	"encoding/json"
 	"fmt"
@@ -14,6 +14,8 @@ import (
 	"sync"
 	"time"
 
+	"github.com/henrygd/beszel/internal/entities/container"
+
 	"github.com/blang/semver"
 )
 
@@ -27,6 +29,9 @@ type dockerManager struct {
 	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
+	buf                 *bytes.Buffer               // Buffer to store and read response bodies
+	decoder             *json.Decoder               // Reusable JSON decoder that reads from buf
+	apiStats            *container.ApiStats         // Reusable API stats object
 }
 
 // userAgentRoundTripper is a custom http.RoundTripper that adds a User-Agent header to all requests
@@ -63,10 +68,9 @@ func (dm *dockerManager) getDockerStats() ([]*container.Stats, error) {
 	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 {
+	if err := dm.decode(resp, &dm.apiContainerList); err != nil {
 		return nil, err
 	}
 
@@ -83,7 +87,8 @@ func (dm *dockerManager) getDockerStats() ([]*container.Stats, error) {
 
 	var failedContainers []*container.ApiInfo
 
-	for _, ctr := range dm.apiContainerList {
+	for i := range dm.apiContainerList {
+		ctr := dm.apiContainerList[i]
 		ctr.IdShort = ctr.Id[:12]
 		dm.validIds[ctr.IdShort] = struct{}{}
 		// check if container is less than 1 minute old (possible restart)
@@ -111,7 +116,8 @@ func (dm *dockerManager) getDockerStats() ([]*container.Stats, error) {
 	// 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 {
+		for i := range failedContainers {
+			ctr := failedContainers[i]
 			dm.queue()
 			go func() {
 				defer dm.dequeue()
@@ -164,8 +170,13 @@ func (dm *dockerManager) updateContainerStats(ctr *container.ApiInfo) error {
 	stats.NetworkRecv = 0
 
 	// docker host container stats response
-	var res container.ApiStats
-	if err := json.NewDecoder(resp.Body).Decode(&res); err != nil {
+	// res := dm.getApiStats()
+	// defer dm.putApiStats(res)
+	//
+
+	res := dm.apiStats
+	res.Networks = nil
+	if err := dm.decode(resp, res); err != nil {
 		return err
 	}
 
@@ -173,9 +184,14 @@ func (dm *dockerManager) updateContainerStats(ctr *container.ApiInfo) error {
 	var usedMemory uint64
 	var cpuPct float64
 
+	// store current cpu stats
+	prevCpuContainer, prevCpuSystem := stats.CpuContainer, stats.CpuSystem
+	stats.CpuContainer = res.CPUStats.CPUUsage.TotalUsage
+	stats.CpuSystem = res.CPUStats.SystemUsage
+
 	if dm.isWindows {
 		usedMemory = res.MemoryStats.PrivateWorkingSet
-		cpuPct = res.CalculateCpuPercentWindows(stats.PrevCpu[0], stats.PrevRead)
+		cpuPct = res.CalculateCpuPercentWindows(prevCpuContainer, stats.PrevReadTime)
 	} else {
 		// check if container has valid data, otherwise may be in restart loop (#103)
 		if res.MemoryStats.Usage == 0 {
@@ -187,13 +203,12 @@ func (dm *dockerManager) updateContainerStats(ctr *container.ApiInfo) error {
 		}
 		usedMemory = res.MemoryStats.Usage - memCache
 
-		cpuPct = res.CalculateCpuPercentLinux(stats.PrevCpu)
+		cpuPct = res.CalculateCpuPercentLinux(prevCpuContainer, prevCpuSystem)
 	}
 
 	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
@@ -201,21 +216,25 @@ func (dm *dockerManager) updateContainerStats(ctr *container.ApiInfo) error {
 		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
+	var sent_delta, recv_delta uint64
+	millisecondsElapsed := uint64(time.Since(stats.PrevReadTime).Milliseconds())
+	if initialized && millisecondsElapsed > 0 {
+		// get bytes per second
+		sent_delta = (total_sent - stats.PrevNet.Sent) * 1000 / millisecondsElapsed
+		recv_delta = (total_recv - stats.PrevNet.Recv) * 1000 / millisecondsElapsed
+		// check for unrealistic network values (> 5GB/s)
+		if sent_delta > 5e9 || recv_delta > 5e9 {
+			slog.Warn("Bad network delta", "container", name)
+			sent_delta, recv_delta = 0, 0
+		}
 	}
-	stats.PrevNet.Sent = total_sent
-	stats.PrevNet.Recv = total_recv
+	stats.PrevNet.Sent, stats.PrevNet.Recv = total_sent, 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
+	stats.NetworkSent = bytesToMegabytes(float64(sent_delta))
+	stats.NetworkRecv = bytesToMegabytes(float64(recv_delta))
+	stats.PrevReadTime = res.Read
 
 	return nil
 }
@@ -231,14 +250,16 @@ func (dm *dockerManager) deleteContainerStatsSync(id string) {
 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)
 	}
 
@@ -286,6 +307,7 @@ func newDockerManager(a *Agent) *dockerManager {
 		containerStatsMap: make(map[string]*container.Stats),
 		sem:               make(chan struct{}, 5),
 		apiContainerList:  []*container.ApiInfo{},
+		apiStats:          &container.ApiStats{},
 	}
 
 	// If using podman, return client
@@ -304,9 +326,8 @@ func newDockerManager(a *Agent) *dockerManager {
 	if err != nil {
 		return manager
 	}
-	defer resp.Body.Close()
 
-	if err := json.NewDecoder(resp.Body).Decode(&versionInfo); err != nil {
+	if err := manager.decode(resp, &versionInfo); err != nil {
 		return manager
 	}
 
@@ -320,6 +341,22 @@ func newDockerManager(a *Agent) *dockerManager {
 	return manager
 }
 
+// Decodes Docker API JSON response using a reusable buffer and decoder. Not thread safe.
+func (dm *dockerManager) decode(resp *http.Response, d any) error {
+	if dm.buf == nil {
+		// initialize buffer with 256kb starting size
+		dm.buf = bytes.NewBuffer(make([]byte, 0, 1024*256))
+		dm.decoder = json.NewDecoder(dm.buf)
+	}
+	defer resp.Body.Close()
+	defer dm.buf.Reset()
+	_, err := dm.buf.ReadFrom(resp.Body)
+	if err != nil {
+		return err
+	}
+	return dm.decoder.Decode(d)
+}
+
 // Test docker / podman sockets and return if one exists
 func getDockerHost() string {
 	scheme := "unix://"

agent/gpu.go

@@ -1,7 +1,6 @@
 package agent
 
 import (
-	"beszel/internal/entities/system"
 	"bufio"
 	"bytes"
 	"encoding/json"
@@ -13,29 +12,31 @@ import (
 	"sync"
 	"time"
 
+	"github.com/henrygd/beszel/internal/entities/system"
+
 	"golang.org/x/exp/slog"
 )
 
 const (
 	// Commands
-	nvidiaSmiCmd  = "nvidia-smi"
-	rocmSmiCmd    = "rocm-smi"
-	tegraStatsCmd = "tegrastats"
+	nvidiaSmiCmd  string = "nvidia-smi"
+	rocmSmiCmd    string = "rocm-smi"
+	tegraStatsCmd string = "tegrastats"
 
 	// Polling intervals
-	nvidiaSmiInterval  = "4"    // in seconds
-	tegraStatsInterval = "3700" // in milliseconds
-	rocmSmiInterval    = 4300 * time.Millisecond
+	nvidiaSmiInterval  string        = "4"    // in seconds
+	tegraStatsInterval string        = "3700" // in milliseconds
+	rocmSmiInterval    time.Duration = 4300 * time.Millisecond
 
 	// Command retry and timeout constants
-	retryWaitTime     = 5 * time.Second
-	maxFailureRetries = 5
+	retryWaitTime     time.Duration = 5 * time.Second
+	maxFailureRetries int           = 5
 
-	cmdBufferSize = 10 * 1024
+	cmdBufferSize uint16 = 10 * 1024
 
 	// Unit Conversions
-	mebibytesInAMegabyte = 1.024  // nvidia-smi reports memory in MiB
-	milliwattsInAWatt    = 1000.0 // tegrastats reports power in mW
+	mebibytesInAMegabyte float64 = 1.024  // nvidia-smi reports memory in MiB
+	milliwattsInAWatt    float64 = 1000.0 // tegrastats reports power in mW
 )
 
 // GPUManager manages data collection for GPUs (either Nvidia or AMD)
@@ -243,21 +244,26 @@ func (gm *GPUManager) GetCurrentData() map[string]system.GPUData {
 	// 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
+		gpuAvg := *gpu
+
+		gpuAvg.Temperature = twoDecimals(gpu.Temperature)
+		gpuAvg.MemoryUsed = twoDecimals(gpu.MemoryUsed)
+		gpuAvg.MemoryTotal = twoDecimals(gpu.MemoryTotal)
+
+		// avoid division by zero
+		if gpu.Count > 0 {
+			gpuAvg.Usage = twoDecimals(gpu.Usage / gpu.Count)
+			gpuAvg.Power = twoDecimals(gpu.Power / gpu.Count)
+		}
+
+		// reset accumulators in the original
+		gpu.Usage, gpu.Power, gpu.Count = 0, 0, 0
+
 		// 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)
+			gpuAvg.Name = fmt.Sprintf("%s %s", gpu.Name, id)
 		}
-		gpuData[id] = gpuCopy
+		gpuData[id] = gpuAvg
 	}
 	slog.Debug("GPU", "data", gpuData)
 	return gpuData

agent/gpu_test.go

@@ -4,12 +4,13 @@
 package agent
 
 import (
-	"beszel/internal/entities/system"
 	"os"
 	"path/filepath"
 	"testing"
 	"time"
 
+	"github.com/henrygd/beszel/internal/entities/system"
+
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -279,6 +280,19 @@ func TestParseJetsonData(t *testing.T) {
 				Count:       1,
 			},
 		},
+		{
+			name:  "orin nano",
+			input: "06-18-2025 11:25:24 RAM 3452/7620MB (lfb 25x4MB) SWAP 1518/16384MB (cached 174MB) CPU [1%@1420,2%@1420,0%@1420,2%@1420,2%@729,1%@729] GR3D_FREQ 0% cpu@50.031C soc2@49.031C soc0@50C gpu@49.031C tj@50.25C soc1@50.25C VDD_IN 4824mW/4824mW VDD_CPU_GPU_CV 518mW/518mW VDD_SOC 1475mW/1475mW",
+			wantMetrics: &system.GPUData{
+				Name:        "GPU",
+				MemoryUsed:  3452.0,
+				MemoryTotal: 7620.0,
+				Usage:       0.0,
+				Temperature: 50.25,
+				Power:       0.518,
+				Count:       1,
+			},
+		},
 		{
 			name:  "missing temperature",
 			input: "11-14-2024 22:54:33 RAM 4300/30698MB GR3D_FREQ 45% VDD_GPU_SOC 2171mW",
@@ -318,44 +332,85 @@ func TestParseJetsonData(t *testing.T) {
 }
 
 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,
+	t.Run("calculates averages and resets accumulators", func(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,
+				},
+				"2": {
+					Name:        "GPU 2",
+					Temperature: 70,
+					MemoryUsed:  4096,
+					MemoryTotal: 8192,
+					Usage:       200,
+					Power:       400,
+					Count:       1,
+				},
 			},
-			"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)
+		assert.Equal(t, "GPU 2", result["2"].Name)
+
+		// Check averaged values in the result
+		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 that accumulators in the original map are reset
+		assert.Equal(t, float64(0), gm.GpuDataMap["0"].Count, "GPU 0 Count should be reset")
+		assert.Equal(t, float64(0), gm.GpuDataMap["0"].Usage, "GPU 0 Usage should be reset")
+		assert.Equal(t, float64(0), gm.GpuDataMap["0"].Power, "GPU 0 Power should be reset")
+		assert.Equal(t, float64(0), gm.GpuDataMap["1"].Count, "GPU 1 Count should be reset")
+		assert.Equal(t, float64(0), gm.GpuDataMap["1"].Usage, "GPU 1 Usage should be reset")
+		assert.Equal(t, float64(0), gm.GpuDataMap["1"].Power, "GPU 1 Power should be reset")
+	})
+
+	t.Run("handles zero count without panicking", func(t *testing.T) {
+		gm := &GPUManager{
+			GpuDataMap: map[string]*system.GPUData{
+				"0": {
+					Name:  "TestGPU",
+					Count: 0,
+					Usage: 0,
+					Power: 0,
+				},
 			},
-		},
-	}
+		}
 
-	result := gm.GetCurrentData()
+		var result map[string]system.GPUData
+		assert.NotPanics(t, func() {
+			result = gm.GetCurrentData()
+		})
 
-	// Verify name disambiguation
-	assert.Equal(t, "GPU1 0", result["0"].Name)
-	assert.Equal(t, "GPU1 1", result["1"].Name)
+		// Check that usage and power are 0
+		assert.Equal(t, 0.0, result["0"].Usage)
+		assert.Equal(t, 0.0, result["0"].Power)
 
-	// 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)
+		// Verify reset count
+		assert.Equal(t, float64(0), gm.GpuDataMap["0"].Count)
+	})
 }
 
 func TestDetectGPUs(t *testing.T) {
@@ -722,6 +777,18 @@ func TestAccumulation(t *testing.T) {
 				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")
 			}
+
+			// Verify that accumulators in the original map are reset
+			for id := range tt.expectedValues {
+				gpu, exists := gm.GpuDataMap[id]
+				assert.True(t, exists, "GPU with ID %s should still exist after GetCurrentData", id)
+				if !exists {
+					continue
+				}
+				assert.Equal(t, float64(0), gpu.Count, "Count should be reset for GPU ID %s", id)
+				assert.Equal(t, float64(0), gpu.Usage, "Usage should be reset for GPU ID %s", id)
+				assert.Equal(t, float64(0), gpu.Power, "Power should be reset for GPU ID %s", id)
+			}
 		})
 	}
 }

agent/health/health.go

@@ -0,0 +1,43 @@
+// Package health provides functions to check and update the health of the agent.
+// It uses a file in the temp directory to store the timestamp of the last connection attempt.
+// If the timestamp is older than 90 seconds, the agent is considered unhealthy.
+// NB: The agent must be started with the Start() method to be considered healthy.
+package health
+
+import (
+	"errors"
+	"log"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+// healthFile is the path to the health file
+var healthFile = filepath.Join(os.TempDir(), "beszel_health")
+
+// Check checks if the agent is connected by checking the modification time of the health file
+func Check() error {
+	fileInfo, err := os.Stat(healthFile)
+	if err != nil {
+		return err
+	}
+	if time.Since(fileInfo.ModTime()) > 91*time.Second {
+		log.Println("over 90 seconds since last connection")
+		return errors.New("unhealthy")
+	}
+	return nil
+}
+
+// Update updates the modification time of the health file
+func Update() error {
+	file, err := os.Create(healthFile)
+	if err != nil {
+		return err
+	}
+	return file.Close()
+}
+
+// CleanUp removes the health file
+func CleanUp() error {
+	return os.Remove(healthFile)
+}

agent/health/health_test.go

@@ -0,0 +1,67 @@
+//go:build testing
+// +build testing
+
+package health
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"testing/synctest"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestHealth(t *testing.T) {
+	// Override healthFile to use a temporary directory for this test.
+	originalHealthFile := healthFile
+	tmpDir := t.TempDir()
+	healthFile = filepath.Join(tmpDir, "beszel_health_test")
+	defer func() { healthFile = originalHealthFile }()
+
+	t.Run("check with no health file", func(t *testing.T) {
+		err := Check()
+		require.Error(t, err)
+		assert.True(t, os.IsNotExist(err), "expected a file-not-exist error, but got: %v", err)
+	})
+
+	t.Run("update and check", func(t *testing.T) {
+		err := Update()
+		require.NoError(t, err, "Update() failed")
+
+		err = Check()
+		assert.NoError(t, err, "Check() failed immediately after Update()")
+	})
+
+	// This test uses synctest to simulate time passing.
+	// NOTE: This test requires GOEXPERIMENT=synctest to run.
+	t.Run("check with simulated time", func(t *testing.T) {
+		synctest.Test(t, func(t *testing.T) {
+			// Update the file to set the initial timestamp.
+			require.NoError(t, Update(), "Update() failed inside synctest")
+
+			// Set the mtime to the current fake time to align the file's timestamp with the simulated clock.
+			now := time.Now()
+			require.NoError(t, os.Chtimes(healthFile, now, now), "Chtimes failed")
+
+			// Wait a duration less than the threshold.
+			time.Sleep(89 * time.Second)
+			synctest.Wait()
+
+			// The check should still pass.
+			assert.NoError(t, Check(), "Check() failed after 89s")
+
+			// Wait for the total duration to exceed the threshold.
+			time.Sleep(5 * time.Second)
+			synctest.Wait()
+
+			// The check should now fail as unhealthy.
+			err := Check()
+			require.Error(t, err, "Check() should have failed after 91s")
+			assert.Equal(t, "unhealthy", err.Error(), "Check() returned wrong error")
+		})
+	})
+}

agent/lhm/beszel_lhm.cs

@@ -0,0 +1,80 @@
+using System;
+using System.Globalization;
+using LibreHardwareMonitor.Hardware;
+
+class Program
+{
+  static void Main()
+  {
+    var computer = new Computer
+    {
+      IsCpuEnabled = true,
+      IsGpuEnabled = true,
+      IsMemoryEnabled = true,
+      IsMotherboardEnabled = true,
+      IsStorageEnabled = true,
+      // IsPsuEnabled = true,
+      // IsNetworkEnabled = true,
+    };
+    computer.Open();
+
+    var reader = Console.In;
+    var writer = Console.Out;
+
+    string line;
+    while ((line = reader.ReadLine()) != null)
+    {
+      if (line.Trim().Equals("getTemps", StringComparison.OrdinalIgnoreCase))
+      {
+        foreach (var hw in computer.Hardware)
+        {
+          // process main hardware sensors
+          ProcessSensors(hw, writer);
+
+          // process subhardware sensors
+          foreach (var subhardware in hw.SubHardware)
+          {
+            ProcessSensors(subhardware, writer);
+          }
+        }
+        // send empty line to signal end of sensor data
+        writer.WriteLine();
+        writer.Flush();
+      }
+    }
+
+    computer.Close();
+  }
+
+  static void ProcessSensors(IHardware hardware, System.IO.TextWriter writer)
+  {
+    var updated = false;
+    foreach (var sensor in hardware.Sensors)
+    {
+      var validTemp = sensor.SensorType == SensorType.Temperature && sensor.Value.HasValue;
+      if (!validTemp || sensor.Name.Contains("Distance"))
+      {
+        continue;
+      }
+
+      if (!updated)
+      {
+        hardware.Update();
+        updated = true;
+      }
+
+      var name = sensor.Name;
+      // if sensor.Name starts with "Temperature" replace with hardware.Identifier but retain the rest of the name.
+      // usually this is a number like Temperature 3
+      if (sensor.Name.StartsWith("Temperature"))
+      {
+        name = hardware.Identifier.ToString().Replace("/", "_").TrimStart('_') + sensor.Name.Substring(11);
+      }
+
+      // invariant culture assures the value is parsable as a float
+      var value = sensor.Value.Value.ToString("0.##", CultureInfo.InvariantCulture);
+      // write the name and value to the writer
+      writer.WriteLine($"{name}|{value}");
+    }
+  }
+}

agent/lhm/beszel_lhm.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net48</TargetFramework>
+    <Platforms>x64</Platforms>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="LibreHardwareMonitorLib" Version="0.9.4" />
+  </ItemGroup>
+</Project>

agent/network.go

@@ -57,6 +57,7 @@ func (a *Agent) skipNetworkInterface(v psutilNet.IOCountersStat) bool {
 		strings.HasPrefix(v.Name, "docker"),
 		strings.HasPrefix(v.Name, "br-"),
 		strings.HasPrefix(v.Name, "veth"),
+		strings.HasPrefix(v.Name, "bond"),
 		v.BytesRecv == 0,
 		v.BytesSent == 0:
 		return true

agent/sensors.go

@@ -1,12 +1,16 @@
 package agent
 
 import (
-	"beszel/internal/entities/system"
 	"context"
+	"fmt"
 	"log/slog"
 	"path"
+	"runtime"
 	"strconv"
 	"strings"
+	"unicode/utf8"
+
+	"github.com/henrygd/beszel/internal/entities/system"
 
 	"github.com/shirou/gopsutil/v4/common"
 	"github.com/shirou/gopsutil/v4/sensors"
@@ -30,6 +34,9 @@ func (a *Agent) newSensorConfig() *SensorConfig {
 	return a.newSensorConfigWithEnv(primarySensor, sysSensors, sensorsEnvVal, skipCollection)
 }
 
+// Matches sensors.TemperaturesWithContext to allow for panic recovery (gopsutil/issues/1832)
+type getTempsFn func(ctx context.Context) ([]sensors.TemperatureStat, error)
+
 // 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 {
@@ -78,8 +85,18 @@ func (a *Agent) updateTemperatures(systemStats *system.Stats) {
 	// reset high temp
 	a.systemInfo.DashboardTemp = 0
 
-	// get sensor data
-	temps, _ := sensors.TemperaturesWithContext(a.sensorConfig.context)
+	temps, err := a.getTempsWithPanicRecovery(getSensorTemps)
+	if err != nil {
+		// retry once on panic (gopsutil/issues/1832)
+		temps, err = a.getTempsWithPanicRecovery(getSensorTemps)
+		if err != nil {
+			slog.Warn("Error updating temperatures", "err", err)
+			if len(systemStats.Temperatures) > 0 {
+				systemStats.Temperatures = make(map[string]float64)
+			}
+			return
+		}
+	}
 	slog.Debug("Temperature", "sensors", temps)
 
 	// return if no sensors
@@ -89,6 +106,15 @@ func (a *Agent) updateTemperatures(systemStats *system.Stats) {
 
 	systemStats.Temperatures = make(map[string]float64, len(temps))
 	for i, sensor := range temps {
+		// check for malformed strings on darwin (gopsutil/issues/1832)
+		if runtime.GOOS == "darwin" && !utf8.ValidString(sensor.SensorKey) {
+			continue
+		}
+
+		// scale temperature
+		if sensor.Temperature != 0 && sensor.Temperature < 1 {
+			sensor.Temperature = scaleTemperature(sensor.Temperature)
+		}
 		// skip if temperature is unreasonable
 		if sensor.Temperature <= 0 || sensor.Temperature >= 200 {
 			continue
@@ -103,15 +129,28 @@ func (a *Agent) updateTemperatures(systemStats *system.Stats) {
 			continue
 		}
 		// set dashboard temperature
-		if a.sensorConfig.primarySensor == "" {
+		switch a.sensorConfig.primarySensor {
+		case "":
 			a.systemInfo.DashboardTemp = max(a.systemInfo.DashboardTemp, sensor.Temperature)
-		} else if a.sensorConfig.primarySensor == sensorName {
+		case sensorName:
 			a.systemInfo.DashboardTemp = sensor.Temperature
 		}
 		systemStats.Temperatures[sensorName] = twoDecimals(sensor.Temperature)
 	}
 }
 
+// getTempsWithPanicRecovery wraps sensors.TemperaturesWithContext to recover from panics (gopsutil/issues/1832)
+func (a *Agent) getTempsWithPanicRecovery(getTemps getTempsFn) (temps []sensors.TemperatureStat, err error) {
+	defer func() {
+		if r := recover(); r != nil {
+			err = fmt.Errorf("panic: %v", r)
+		}
+	}()
+	// get sensor data (error ignored intentionally as it may be only with one sensor)
+	temps, _ = getTemps(a.sensorConfig.context)
+	return
+}
+
 // 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
@@ -141,3 +180,19 @@ func isValidSensor(sensorName string, config *SensorConfig) bool {
 
 	return config.isBlacklist
 }
+
+// scaleTemperature scales temperatures in fractional values to reasonable Celsius values
+func scaleTemperature(temp float64) float64 {
+	if temp > 1 {
+		return temp
+	}
+	scaled100 := temp * 100
+	scaled1000 := temp * 1000
+
+	if scaled100 >= 15 && scaled100 <= 95 {
+		return scaled100
+	} else if scaled1000 >= 15 && scaled1000 <= 95 {
+		return scaled1000
+	}
+	return scaled100
+}

agent/sensors_default.go

@@ -0,0 +1,9 @@
+//go:build !windows
+
+package agent
+
+import (
+	"github.com/shirou/gopsutil/v4/sensors"
+)
+
+var getSensorTemps = sensors.TemperaturesWithContext

agent/sensors_test.go

@@ -5,10 +5,14 @@ package agent
 
 import (
 	"context"
+	"fmt"
 	"os"
 	"testing"
 
+	"github.com/henrygd/beszel/internal/entities/system"
+
 	"github.com/shirou/gopsutil/v4/common"
+	"github.com/shirou/gopsutil/v4/sensors"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -372,3 +376,179 @@ func TestNewSensorConfig(t *testing.T) {
 	require.True(t, ok, "EnvMap should contain HostSysEnvKey")
 	assert.Equal(t, "/test/path", sysPath)
 }
+
+func TestScaleTemperature(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    float64
+		expected float64
+		desc     string
+	}{
+		// Normal temperatures (no scaling needed)
+		{"normal_cpu_temp", 45.0, 45.0, "Normal CPU temperature"},
+		{"normal_room_temp", 25.0, 25.0, "Normal room temperature"},
+		{"high_cpu_temp", 85.0, 85.0, "High CPU temperature"},
+		// Zero temperature
+		{"zero_temp", 0.0, 0.0, "Zero temperature"},
+		// Fractional values that should use 100x scaling
+		{"fractional_45c", 0.45, 45.0, "0.45 should become 45°C (100x)"},
+		{"fractional_25c", 0.25, 25.0, "0.25 should become 25°C (100x)"},
+		{"fractional_60c", 0.60, 60.0, "0.60 should become 60°C (100x)"},
+		{"fractional_75c", 0.75, 75.0, "0.75 should become 75°C (100x)"},
+		{"fractional_30c", 0.30, 30.0, "0.30 should become 30°C (100x)"},
+		// Fractional values that should use 1000x scaling
+		{"millifractional_45c", 0.045, 45.0, "0.045 should become 45°C (1000x)"},
+		{"millifractional_25c", 0.025, 25.0, "0.025 should become 25°C (1000x)"},
+		{"millifractional_60c", 0.060, 60.0, "0.060 should become 60°C (1000x)"},
+		{"millifractional_75c", 0.075, 75.0, "0.075 should become 75°C (1000x)"},
+		{"millifractional_35c", 0.035, 35.0, "0.035 should become 35°C (1000x)"},
+		// Edge cases - values outside reasonable range
+		{"very_low_fractional", 0.01, 1.0, "0.01 should default to 100x scaling (1°C)"},
+		{"very_high_fractional", 0.99, 99.0, "0.99 should default to 100x scaling (99°C)"},
+		{"extremely_low", 0.001, 0.1, "0.001 should default to 100x scaling (0.1°C)"},
+		// Boundary cases around the reasonable range (15-95°C)
+		{"boundary_low_100x", 0.15, 15.0, "0.15 should use 100x scaling (15°C)"},
+		{"boundary_high_100x", 0.95, 95.0, "0.95 should use 100x scaling (95°C)"},
+		{"boundary_low_1000x", 0.015, 15.0, "0.015 should use 1000x scaling (15°C)"},
+		{"boundary_high_1000x", 0.095, 95.0, "0.095 should use 1000x scaling (95°C)"},
+		// Values just outside reasonable range
+		{"just_below_range_100x", 0.14, 14.0, "0.14 should default to 100x (14°C)"},
+		{"just_above_range_100x", 0.96, 96.0, "0.96 should default to 100x (96°C)"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := scaleTemperature(tt.input)
+			assert.InDelta(t, tt.expected, result, 0.001,
+				"scaleTemperature(%v) = %v, expected %v (%s)",
+				tt.input, result, tt.expected, tt.desc)
+		})
+	}
+}
+
+func TestScaleTemperatureLogic(t *testing.T) {
+	// Test the logic flow for ambiguous cases
+	t.Run("prefers_100x_when_both_valid", func(t *testing.T) {
+		// 0.5 could be 50°C (100x) or 500°C (1000x)
+		// Should prefer 100x since it's tried first and is in range
+		result := scaleTemperature(0.5)
+		expected := 50.0
+		assert.InDelta(t, expected, result, 0.001,
+			"scaleTemperature(0.5) = %v, expected %v (should prefer 100x scaling)",
+			result, expected)
+	})
+
+	t.Run("uses_1000x_when_100x_too_low", func(t *testing.T) {
+		// 0.05 -> 5°C (100x, too low) or 50°C (1000x, in range)
+		// Should use 1000x since 100x is below reasonable range
+		result := scaleTemperature(0.05)
+		expected := 50.0
+		assert.InDelta(t, expected, result, 0.001,
+			"scaleTemperature(0.05) = %v, expected %v (should use 1000x scaling)",
+			result, expected)
+	})
+
+	t.Run("defaults_to_100x_when_both_invalid", func(t *testing.T) {
+		// 0.005 -> 0.5°C (100x, too low) or 5°C (1000x, too low)
+		// Should default to 100x scaling
+		result := scaleTemperature(0.005)
+		expected := 0.5
+		assert.InDelta(t, expected, result, 0.001,
+			"scaleTemperature(0.005) = %v, expected %v (should default to 100x)",
+			result, expected)
+	})
+}
+
+func TestGetTempsWithPanicRecovery(t *testing.T) {
+	agent := &Agent{
+		systemInfo: system.Info{},
+		sensorConfig: &SensorConfig{
+			context: context.Background(),
+		},
+	}
+
+	tests := []struct {
+		name        string
+		getTempsFn  getTempsFn
+		expectError bool
+		errorMsg    string
+	}{
+		{
+			name: "successful_function_call",
+			getTempsFn: func(ctx context.Context) ([]sensors.TemperatureStat, error) {
+				return []sensors.TemperatureStat{
+					{SensorKey: "test_sensor", Temperature: 45.0},
+				}, nil
+			},
+			expectError: false,
+		},
+		{
+			name: "function_returns_error",
+			getTempsFn: func(ctx context.Context) ([]sensors.TemperatureStat, error) {
+				return []sensors.TemperatureStat{
+					{SensorKey: "test_sensor", Temperature: 45.0},
+				}, fmt.Errorf("sensor error")
+			},
+			expectError: false, // getTempsWithPanicRecovery ignores errors from the function
+		},
+		{
+			name: "function_panics_with_string",
+			getTempsFn: func(ctx context.Context) ([]sensors.TemperatureStat, error) {
+				panic("test panic")
+			},
+			expectError: true,
+			errorMsg:    "panic: test panic",
+		},
+		{
+			name: "function_panics_with_error",
+			getTempsFn: func(ctx context.Context) ([]sensors.TemperatureStat, error) {
+				panic(fmt.Errorf("panic error"))
+			},
+			expectError: true,
+			errorMsg:    "panic:",
+		},
+		{
+			name: "function_panics_with_index_out_of_bounds",
+			getTempsFn: func(ctx context.Context) ([]sensors.TemperatureStat, error) {
+				slice := []int{1, 2, 3}
+				_ = slice[10] // out of bounds panic
+				return nil, nil
+			},
+			expectError: true,
+			errorMsg:    "panic:",
+		},
+		{
+			name: "function_panics_with_any_conversion",
+			getTempsFn: func(ctx context.Context) ([]sensors.TemperatureStat, error) {
+				var i any = "string"
+				_ = i.(int) // type assertion panic
+				return nil, nil
+			},
+			expectError: true,
+			errorMsg:    "panic:",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			var temps []sensors.TemperatureStat
+			var err error
+
+			// The function should not panic, regardless of what the injected function does
+			assert.NotPanics(t, func() {
+				temps, err = agent.getTempsWithPanicRecovery(tt.getTempsFn)
+			}, "getTempsWithPanicRecovery should not panic")
+
+			if tt.expectError {
+				assert.Error(t, err, "Expected an error to be returned")
+				if tt.errorMsg != "" {
+					assert.Contains(t, err.Error(), tt.errorMsg,
+						"Error message should contain expected text")
+				}
+				assert.Nil(t, temps, "Temps should be nil when panic occurs")
+			} else {
+				assert.NoError(t, err, "Should not return error for successful calls")
+			}
+		})
+	}
+}

agent/sensors_windows.go

@@ -0,0 +1,286 @@
+//go:build windows
+
+//go:generate dotnet build -c Release lhm/beszel_lhm.csproj
+
+package agent
+
+import (
+	"bufio"
+	"context"
+	"embed"
+	"errors"
+	"fmt"
+	"io"
+	"log/slog"
+	"os"
+	"os/exec"
+	"path"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/shirou/gopsutil/v4/sensors"
+)
+
+// Note: This is always called from Agent.gatherStats() which holds Agent.Lock(),
+// so no internal concurrency protection is needed.
+
+// lhmProcess is a wrapper around the LHM .NET process.
+type lhmProcess struct {
+	cmd                  *exec.Cmd
+	stdin                io.WriteCloser
+	stdout               io.ReadCloser
+	scanner              *bufio.Scanner
+	isRunning            bool
+	stoppedNoSensors     bool
+	consecutiveNoSensors uint8
+	execPath             string
+	tempDir              string
+}
+
+//go:embed all:lhm/bin/Release/net48
+var lhmFs embed.FS
+
+var (
+	beszelLhm     *lhmProcess
+	beszelLhmOnce sync.Once
+	useLHM        = os.Getenv("LHM") == "true"
+)
+
+var errNoSensors = errors.New("no sensors found (try running as admin with LHM=true)")
+
+// newlhmProcess copies the embedded LHM executable to a temporary directory and starts it.
+func newlhmProcess() (*lhmProcess, error) {
+	destDir := filepath.Join(os.TempDir(), "beszel")
+	execPath := filepath.Join(destDir, "beszel_lhm.exe")
+
+	if err := os.MkdirAll(destDir, 0755); err != nil {
+		return nil, fmt.Errorf("failed to create temp directory: %w", err)
+	}
+
+	// Only copy if executable doesn't exist
+	if _, err := os.Stat(execPath); os.IsNotExist(err) {
+		if err := copyEmbeddedDir(lhmFs, "lhm/bin/Release/net48", destDir); err != nil {
+			return nil, fmt.Errorf("failed to copy embedded directory: %w", err)
+		}
+	}
+
+	lhm := &lhmProcess{
+		execPath: execPath,
+		tempDir:  destDir,
+	}
+
+	if err := lhm.startProcess(); err != nil {
+		return nil, fmt.Errorf("failed to start process: %w", err)
+	}
+
+	return lhm, nil
+}
+
+// startProcess starts the external LHM process
+func (lhm *lhmProcess) startProcess() error {
+	// Clean up any existing process
+	lhm.cleanupProcess()
+
+	cmd := exec.Command(lhm.execPath)
+	stdin, err := cmd.StdinPipe()
+	if err != nil {
+		return err
+	}
+
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		stdin.Close()
+		return err
+	}
+
+	if err := cmd.Start(); err != nil {
+		stdin.Close()
+		stdout.Close()
+		return err
+	}
+
+	// Update process state
+	lhm.cmd = cmd
+	lhm.stdin = stdin
+	lhm.stdout = stdout
+	lhm.scanner = bufio.NewScanner(stdout)
+	lhm.isRunning = true
+
+	// Give process a moment to initialize
+	time.Sleep(100 * time.Millisecond)
+
+	return nil
+}
+
+// cleanupProcess terminates the process and closes resources but preserves files
+func (lhm *lhmProcess) cleanupProcess() {
+	lhm.isRunning = false
+
+	if lhm.cmd != nil && lhm.cmd.Process != nil {
+		lhm.cmd.Process.Kill()
+		lhm.cmd.Wait()
+	}
+
+	if lhm.stdin != nil {
+		lhm.stdin.Close()
+		lhm.stdin = nil
+	}
+	if lhm.stdout != nil {
+		lhm.stdout.Close()
+		lhm.stdout = nil
+	}
+
+	lhm.cmd = nil
+	lhm.scanner = nil
+	lhm.stoppedNoSensors = false
+	lhm.consecutiveNoSensors = 0
+}
+
+func (lhm *lhmProcess) getTemps(ctx context.Context) (temps []sensors.TemperatureStat, err error) {
+	if !useLHM || lhm.stoppedNoSensors {
+		// Fall back to gopsutil if we can't get sensors from LHM
+		return sensors.TemperaturesWithContext(ctx)
+	}
+
+	// Start process if it's not running
+	if !lhm.isRunning || lhm.stdin == nil || lhm.scanner == nil {
+		err := lhm.startProcess()
+		if err != nil {
+			return temps, err
+		}
+	}
+
+	// Send command to process
+	_, err = fmt.Fprintln(lhm.stdin, "getTemps")
+	if err != nil {
+		lhm.isRunning = false
+		return temps, fmt.Errorf("failed to send command: %w", err)
+	}
+
+	// Read all sensor lines until we hit an empty line or EOF
+	for lhm.scanner.Scan() {
+		line := strings.TrimSpace(lhm.scanner.Text())
+		if line == "" {
+			break
+		}
+
+		parts := strings.Split(line, "|")
+		if len(parts) != 2 {
+			slog.Debug("Invalid sensor format", "line", line)
+			continue
+		}
+
+		name := strings.TrimSpace(parts[0])
+		valueStr := strings.TrimSpace(parts[1])
+
+		value, err := strconv.ParseFloat(valueStr, 64)
+		if err != nil {
+			slog.Debug("Failed to parse sensor", "err", err, "line", line)
+			continue
+		}
+
+		if name == "" || value <= 0 || value > 150 {
+			slog.Debug("Invalid sensor", "name", name, "val", value, "line", line)
+			continue
+		}
+
+		temps = append(temps, sensors.TemperatureStat{
+			SensorKey:   name,
+			Temperature: value,
+		})
+	}
+
+	if err := lhm.scanner.Err(); err != nil {
+		lhm.isRunning = false
+		return temps, err
+	}
+
+	// Handle no sensors case
+	if len(temps) == 0 {
+		lhm.consecutiveNoSensors++
+		if lhm.consecutiveNoSensors >= 3 {
+			lhm.stoppedNoSensors = true
+			slog.Warn(errNoSensors.Error())
+			lhm.cleanup()
+		}
+		return sensors.TemperaturesWithContext(ctx)
+	}
+
+	lhm.consecutiveNoSensors = 0
+
+	return temps, nil
+}
+
+// getSensorTemps attempts to pull sensor temperatures from the embedded LHM process.
+// NB: LibreHardwareMonitorLib requires admin privileges to access all available sensors.
+func getSensorTemps(ctx context.Context) (temps []sensors.TemperatureStat, err error) {
+	defer func() {
+		if err != nil {
+			slog.Debug("Error reading sensors", "err", err)
+		}
+	}()
+
+	if !useLHM {
+		return sensors.TemperaturesWithContext(ctx)
+	}
+
+	// Initialize process once
+	beszelLhmOnce.Do(func() {
+		beszelLhm, err = newlhmProcess()
+	})
+
+	if err != nil {
+		return temps, fmt.Errorf("failed to initialize lhm: %w", err)
+	}
+
+	if beszelLhm == nil {
+		return temps, fmt.Errorf("lhm not available")
+	}
+
+	return beszelLhm.getTemps(ctx)
+}
+
+// cleanup terminates the process and closes resources
+func (lhm *lhmProcess) cleanup() {
+	lhm.cleanupProcess()
+	if lhm.tempDir != "" {
+		os.RemoveAll(lhm.tempDir)
+	}
+}
+
+// copyEmbeddedDir copies the embedded directory to the destination path
+func copyEmbeddedDir(fs embed.FS, srcPath, destPath string) error {
+	entries, err := fs.ReadDir(srcPath)
+	if err != nil {
+		return err
+	}
+	if err := os.MkdirAll(destPath, 0755); err != nil {
+		return err
+	}
+
+	for _, entry := range entries {
+		srcEntryPath := path.Join(srcPath, entry.Name())
+		destEntryPath := filepath.Join(destPath, entry.Name())
+
+		if entry.IsDir() {
+			if err := copyEmbeddedDir(fs, srcEntryPath, destEntryPath); err != nil {
+				return err
+			}
+			continue
+		}
+
+		data, err := fs.ReadFile(srcEntryPath)
+		if err != nil {
+			return err
+		}
+
+		if err := os.WriteFile(destEntryPath, data, 0755); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

agent/server.go

@@ -0,0 +1,224 @@
+package agent
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"log/slog"
+	"net"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/henrygd/beszel"
+	"github.com/henrygd/beszel/internal/common"
+	"github.com/henrygd/beszel/internal/entities/system"
+
+	"github.com/blang/semver"
+	"github.com/fxamacker/cbor/v2"
+	"github.com/gliderlabs/ssh"
+	gossh "golang.org/x/crypto/ssh"
+)
+
+// ServerOptions contains configuration options for starting the SSH server.
+type ServerOptions struct {
+	Addr    string            // Network address to listen on (e.g., ":45876" or "/path/to/socket")
+	Network string            // Network type ("tcp" or "unix")
+	Keys    []gossh.PublicKey // SSH public keys for authentication
+}
+
+// hubVersions caches hub versions by session ID to avoid repeated parsing.
+var hubVersions map[string]semver.Version
+
+// StartServer starts the SSH server with the provided options.
+// It configures the server with secure defaults, sets up authentication,
+// and begins listening for connections. Returns an error if the server
+// is already running or if there's an issue starting the server.
+func (a *Agent) StartServer(opts ServerOptions) error {
+	if a.server != nil {
+		return errors.New("server already started")
+	}
+
+	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()
+
+	// base config (limit to allowed algorithms)
+	config := &gossh.ServerConfig{
+		ServerVersion: fmt.Sprintf("SSH-2.0-%s_%s", beszel.AppName, beszel.Version),
+	}
+	config.KeyExchanges = common.DefaultKeyExchanges
+	config.MACs = common.DefaultMACs
+	config.Ciphers = common.DefaultCiphers
+
+	// set default handler
+	ssh.Handle(a.handleSession)
+
+	a.server = &ssh.Server{
+		ServerConfigCallback: func(ctx ssh.Context) *gossh.ServerConfig {
+			return config
+		},
+		// check public key(s)
+		PublicKeyHandler: func(ctx ssh.Context, key ssh.PublicKey) bool {
+			remoteAddr := ctx.RemoteAddr()
+			for _, pubKey := range opts.Keys {
+				if ssh.KeysEqual(key, pubKey) {
+					slog.Info("SSH connected", "addr", remoteAddr)
+					return true
+				}
+			}
+			slog.Warn("Invalid SSH key", "addr", remoteAddr)
+			return false
+		},
+		// disable pty
+		PtyCallback: func(ctx ssh.Context, pty ssh.Pty) bool {
+			return false
+		},
+		// close idle connections after 70 seconds
+		IdleTimeout: 70 * time.Second,
+	}
+
+	// Start SSH server on the listener
+	return a.server.Serve(ln)
+}
+
+// getHubVersion retrieves and caches the hub version for a given session.
+// It extracts the version from the SSH client version string and caches
+// it to avoid repeated parsing. Returns a zero version if parsing fails.
+func (a *Agent) getHubVersion(sessionId string, sessionCtx ssh.Context) semver.Version {
+	if hubVersions == nil {
+		hubVersions = make(map[string]semver.Version, 1)
+	}
+	hubVersion, ok := hubVersions[sessionId]
+	if ok {
+		return hubVersion
+	}
+	// Extract hub version from SSH client version
+	clientVersion := sessionCtx.Value(ssh.ContextKeyClientVersion)
+	if versionStr, ok := clientVersion.(string); ok {
+		hubVersion, _ = extractHubVersion(versionStr)
+	}
+	hubVersions[sessionId] = hubVersion
+	return hubVersion
+}
+
+// handleSession handles an incoming SSH session by gathering system statistics
+// and sending them to the hub. It signals connection events, determines the
+// appropriate encoding format based on hub version, and exits with appropriate
+// status codes.
+func (a *Agent) handleSession(s ssh.Session) {
+	a.connectionManager.eventChan <- SSHConnect
+
+	sessionCtx := s.Context()
+	sessionID := sessionCtx.SessionID()
+
+	hubVersion := a.getHubVersion(sessionID, sessionCtx)
+
+	stats := a.gatherStats(sessionID)
+
+	err := a.writeToSession(s, stats, hubVersion)
+	if err != nil {
+		slog.Error("Error encoding stats", "err", err, "stats", stats)
+		s.Exit(1)
+	} else {
+		s.Exit(0)
+	}
+}
+
+// writeToSession encodes and writes system statistics to the session.
+// It chooses between CBOR and JSON encoding based on the hub version,
+// using CBOR for newer versions and JSON for legacy compatibility.
+func (a *Agent) writeToSession(w io.Writer, stats *system.CombinedData, hubVersion semver.Version) error {
+	if hubVersion.GTE(beszel.MinVersionCbor) {
+		return cbor.NewEncoder(w).Encode(stats)
+	}
+	return json.NewEncoder(w).Encode(stats)
+}
+
+// extractHubVersion extracts the beszel version from SSH client version string.
+// Expected format: "SSH-2.0-beszel_X.Y.Z" or "beszel_X.Y.Z"
+func extractHubVersion(versionString string) (semver.Version, error) {
+	_, after, _ := strings.Cut(versionString, "_")
+	return semver.Parse(after)
+}
+
+// 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) ([]gossh.PublicKey, error) {
+	var parsedKeys []gossh.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 := gossh.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 determines the network address to listen on from various sources.
+// It checks the provided address, then environment variables (LISTEN, PORT),
+// and finally defaults to ":45876".
+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 determines the network type based on the address format.
+// It checks the NETWORK environment variable first, then infers from
+// the address format: addresses starting with "/" are "unix", others are "tcp".
+func GetNetwork(addr string) string {
+	if network, ok := GetEnv("NETWORK"); ok && network != "" {
+		return network
+	}
+	if strings.HasPrefix(addr, "/") {
+		return "unix"
+	}
+	return "tcp"
+}
+
+// StopServer stops the SSH server if it's running.
+// It returns an error if the server is not running or if there's an error stopping it.
+func (a *Agent) StopServer() error {
+	if a.server == nil {
+		return errors.New("SSH server not running")
+	}
+
+	slog.Info("Stopping SSH server")
+	_ = a.server.Close()
+	a.server = nil
+	a.connectionManager.eventChan <- SSHDisconnect
+	return nil
+}

agent/server_test.go

@@ -0,0 +1,606 @@
+package agent
+
+import (
+	"context"
+	"crypto/ed25519"
+	"encoding/json"
+	"fmt"
+	"net"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/henrygd/beszel/internal/entities/container"
+	"github.com/henrygd/beszel/internal/entities/system"
+
+	"github.com/blang/semver"
+	"github.com/fxamacker/cbor/v2"
+	"github.com/gliderlabs/ssh"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	gossh "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 := gossh.NewSignerFromKey(privKey)
+	require.NoError(t, err)
+	sshPubKey, err := gossh.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 := gossh.NewSignerFromKey(badPrivKey)
+	require.NoError(t, err)
+	sshBadPubKey, err := gossh.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:    []gossh.PublicKey{sshPubKey},
+			},
+		},
+		{
+			name: "tcp with ipv4",
+			config: ServerOptions{
+				Network: "tcp4",
+				Addr:    "127.0.0.1:45988",
+				Keys:    []gossh.PublicKey{sshPubKey},
+			},
+		},
+		{
+			name: "tcp with ipv6",
+			config: ServerOptions{
+				Network: "tcp6",
+				Addr:    "[::1]:45989",
+				Keys:    []gossh.PublicKey{sshPubKey},
+			},
+		},
+		{
+			name: "unix socket",
+			config: ServerOptions{
+				Network: "unix",
+				Addr:    socketFile,
+				Keys:    []gossh.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:    []gossh.PublicKey{sshBadPubKey},
+			},
+			wantErr:     true,
+			errContains: "ssh: handshake failed",
+		},
+		{
+			name: "good key still good",
+			config: ServerOptions{
+				Network: "tcp",
+				Addr:    ":45987",
+				Keys:    []gossh.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, err := NewAgent("")
+			require.NoError(t, err)
+
+			// 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 *gossh.Client
+
+			// Choose the appropriate signer based on the test case
+			testSigner := signer
+			if tt.name == "bad key should fail" {
+				testSigner = badSigner
+			}
+
+			sshClientConfig := &gossh.ClientConfig{
+				User: "a",
+				Auth: []gossh.AuthMethod{
+					gossh.PublicKeys(testSigner),
+				},
+				HostKeyCallback: gossh.InsecureIgnoreHostKey(),
+				Timeout:         4 * time.Second,
+			}
+
+			switch tt.config.Network {
+			case "unix":
+				client, err = gossh.Dial("unix", tt.config.Addr, sshClientConfig)
+			default:
+				if !strings.Contains(tt.config.Addr, ":") {
+					tt.config.Addr = ":" + tt.config.Addr
+				}
+				client, err = gossh.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)
+	}
+}
+
+/////////////////////////////////////////////////////////////////
+//////////////////// Hub Version Tests //////////////////////////
+/////////////////////////////////////////////////////////////////
+
+func TestExtractHubVersion(t *testing.T) {
+	tests := []struct {
+		name            string
+		clientVersion   string
+		expectedVersion string
+		expectError     bool
+	}{
+		{
+			name:            "valid beszel client version with underscore",
+			clientVersion:   "SSH-2.0-beszel_0.11.1",
+			expectedVersion: "0.11.1",
+			expectError:     false,
+		},
+		{
+			name:            "valid beszel client version with beta",
+			clientVersion:   "SSH-2.0-beszel_1.0.0-beta",
+			expectedVersion: "1.0.0-beta",
+			expectError:     false,
+		},
+		{
+			name:            "valid beszel client version with rc",
+			clientVersion:   "SSH-2.0-beszel_0.12.0-rc1",
+			expectedVersion: "0.12.0-rc1",
+			expectError:     false,
+		},
+		{
+			name:            "different SSH client",
+			clientVersion:   "SSH-2.0-OpenSSH_8.0",
+			expectedVersion: "8.0",
+			expectError:     true,
+		},
+		{
+			name:          "malformed version string without underscore",
+			clientVersion: "SSH-2.0-beszel",
+			expectError:   true,
+		},
+		{
+			name:          "empty version string",
+			clientVersion: "",
+			expectError:   true,
+		},
+		{
+			name:            "version string with underscore but no version",
+			clientVersion:   "beszel_",
+			expectedVersion: "",
+			expectError:     true,
+		},
+		{
+			name:            "version with patch and build metadata",
+			clientVersion:   "SSH-2.0-beszel_1.2.3+build.123",
+			expectedVersion: "1.2.3+build.123",
+			expectError:     false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result, err := extractHubVersion(tt.clientVersion)
+
+			if tt.expectError {
+				assert.Error(t, err)
+				return
+			}
+
+			require.NoError(t, err)
+			assert.Equal(t, tt.expectedVersion, result.String())
+		})
+	}
+}
+
+/////////////////////////////////////////////////////////////////
+/////////////// Hub Version Detection Tests ////////////////////
+/////////////////////////////////////////////////////////////////
+
+func TestGetHubVersion(t *testing.T) {
+	agent, err := NewAgent("")
+	require.NoError(t, err)
+
+	// Mock SSH context that implements the ssh.Context interface
+	mockCtx := &mockSSHContext{
+		sessionID:     "test-session-123",
+		clientVersion: "SSH-2.0-beszel_0.12.0",
+	}
+
+	// Test first call - should extract and cache version
+	version := agent.getHubVersion("test-session-123", mockCtx)
+	assert.Equal(t, "0.12.0", version.String())
+
+	// Test second call - should return cached version
+	mockCtx.clientVersion = "SSH-2.0-beszel_0.11.0" // Change version but should still return cached
+	version = agent.getHubVersion("test-session-123", mockCtx)
+	assert.Equal(t, "0.12.0", version.String()) // Should still be cached version
+
+	// Test different session - should extract new version
+	version = agent.getHubVersion("different-session", mockCtx)
+	assert.Equal(t, "0.11.0", version.String())
+
+	// Test with invalid version string (non-beszel client)
+	mockCtx.clientVersion = "SSH-2.0-OpenSSH_8.0"
+	version = agent.getHubVersion("invalid-session", mockCtx)
+	assert.Equal(t, "0.0.0", version.String()) // Should be empty version for non-beszel clients
+
+	// Test with no client version
+	mockCtx.clientVersion = ""
+	version = agent.getHubVersion("no-version-session", mockCtx)
+	assert.True(t, version.EQ(semver.Version{})) // Should be empty version
+}
+
+// mockSSHContext implements ssh.Context for testing
+type mockSSHContext struct {
+	context.Context
+	sync.Mutex
+	sessionID     string
+	clientVersion string
+}
+
+func (m *mockSSHContext) SessionID() string {
+	return m.sessionID
+}
+
+func (m *mockSSHContext) ClientVersion() string {
+	return m.clientVersion
+}
+
+func (m *mockSSHContext) ServerVersion() string {
+	return "SSH-2.0-beszel_test"
+}
+
+func (m *mockSSHContext) Value(key interface{}) interface{} {
+	if key == ssh.ContextKeyClientVersion {
+		return m.clientVersion
+	}
+	return nil
+}
+
+func (m *mockSSHContext) User() string                    { return "test-user" }
+func (m *mockSSHContext) RemoteAddr() net.Addr            { return nil }
+func (m *mockSSHContext) LocalAddr() net.Addr             { return nil }
+func (m *mockSSHContext) Permissions() *ssh.Permissions   { return nil }
+func (m *mockSSHContext) SetValue(key, value interface{}) {}
+
+/////////////////////////////////////////////////////////////////
+/////////////// CBOR vs JSON Encoding Tests ////////////////////
+/////////////////////////////////////////////////////////////////
+
+// TestWriteToSessionEncoding tests that writeToSession actually encodes data in the correct format
+func TestWriteToSessionEncoding(t *testing.T) {
+	tests := []struct {
+		name             string
+		hubVersion       string
+		expectedUsesCbor bool
+	}{
+		{
+			name:             "old hub version should use JSON",
+			hubVersion:       "0.11.1",
+			expectedUsesCbor: false,
+		},
+		{
+			name:             "non-beta release should use CBOR",
+			hubVersion:       "0.12.0",
+			expectedUsesCbor: true,
+		},
+		{
+			name:             "even newer hub version should use CBOR",
+			hubVersion:       "0.16.4",
+			expectedUsesCbor: true,
+		},
+		{
+			name:             "beta version below release threshold should use JSON",
+			hubVersion:       "0.12.0-beta0",
+			expectedUsesCbor: false,
+		},
+		// {
+		// 	name:             "matching beta version should use CBOR",
+		// 	hubVersion:       "0.12.0-beta2",
+		// 	expectedUsesCbor: true,
+		// },
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Reset the global hubVersions map to ensure clean state for each test
+			hubVersions = nil
+
+			agent, err := NewAgent("")
+			require.NoError(t, err)
+
+			// Parse the test version
+			version, err := semver.Parse(tt.hubVersion)
+			require.NoError(t, err)
+
+			// Create test data to encode
+			testData := createTestCombinedData()
+
+			var buf strings.Builder
+			err = agent.writeToSession(&buf, testData, version)
+			require.NoError(t, err)
+
+			encodedData := buf.String()
+			require.NotEmpty(t, encodedData)
+
+			// Verify the encoding format by attempting to decode
+			if tt.expectedUsesCbor {
+				var decodedCbor system.CombinedData
+				err = cbor.Unmarshal([]byte(encodedData), &decodedCbor)
+				assert.NoError(t, err, "Should be valid CBOR data")
+
+				var decodedJson system.CombinedData
+				err = json.Unmarshal([]byte(encodedData), &decodedJson)
+				assert.Error(t, err, "Should not be valid JSON data")
+
+				assert.Equal(t, testData.Info.Hostname, decodedCbor.Info.Hostname)
+				assert.Equal(t, testData.Stats.Cpu, decodedCbor.Stats.Cpu)
+			} else {
+				// Should be JSON - try to decode as JSON
+				var decodedJson system.CombinedData
+				err = json.Unmarshal([]byte(encodedData), &decodedJson)
+				assert.NoError(t, err, "Should be valid JSON data")
+
+				var decodedCbor system.CombinedData
+				err = cbor.Unmarshal([]byte(encodedData), &decodedCbor)
+				assert.Error(t, err, "Should not be valid CBOR data")
+
+				// Verify the decoded JSON data matches our test data
+				assert.Equal(t, testData.Info.Hostname, decodedJson.Info.Hostname)
+				assert.Equal(t, testData.Stats.Cpu, decodedJson.Stats.Cpu)
+
+				// Verify it looks like JSON (starts with '{' and contains readable field names)
+				assert.True(t, strings.HasPrefix(encodedData, "{"), "JSON should start with '{'")
+				assert.Contains(t, encodedData, `"info"`, "JSON should contain readable field names")
+				assert.Contains(t, encodedData, `"stats"`, "JSON should contain readable field names")
+			}
+		})
+	}
+}
+
+// Helper function to create test data for encoding tests
+func createTestCombinedData() *system.CombinedData {
+	return &system.CombinedData{
+		Stats: system.Stats{
+			Cpu:       25.5,
+			Mem:       8589934592, // 8GB
+			MemUsed:   4294967296, // 4GB
+			MemPct:    50.0,
+			DiskTotal: 1099511627776, // 1TB
+			DiskUsed:  549755813888,  // 512GB
+			DiskPct:   50.0,
+		},
+		Info: system.Info{
+			Hostname:     "test-host",
+			Cores:        8,
+			CpuModel:     "Test CPU Model",
+			Uptime:       3600,
+			AgentVersion: "0.12.0",
+			Os:           system.Linux,
+		},
+		Containers: []*container.Stats{
+			{
+				Name: "test-container",
+				Cpu:  10.5,
+				Mem:  1073741824, // 1GB
+			},
+		},
+	}
+}
+
+func TestHubVersionCaching(t *testing.T) {
+	// Reset the global hubVersions map to ensure clean state
+	hubVersions = nil
+
+	agent, err := NewAgent("")
+	require.NoError(t, err)
+
+	ctx1 := &mockSSHContext{
+		sessionID:     "session1",
+		clientVersion: "SSH-2.0-beszel_0.12.0",
+	}
+	ctx2 := &mockSSHContext{
+		sessionID:     "session2",
+		clientVersion: "SSH-2.0-beszel_0.11.0",
+	}
+
+	// First calls should cache the versions
+	v1 := agent.getHubVersion("session1", ctx1)
+	v2 := agent.getHubVersion("session2", ctx2)
+
+	assert.Equal(t, "0.12.0", v1.String())
+	assert.Equal(t, "0.11.0", v2.String())
+
+	// Verify caching by changing context but keeping same session ID
+	ctx1.clientVersion = "SSH-2.0-beszel_0.10.0"
+	v1Cached := agent.getHubVersion("session1", ctx1)
+	assert.Equal(t, "0.12.0", v1Cached.String()) // Should still be cached version
+
+	// New session should get new version
+	ctx3 := &mockSSHContext{
+		sessionID:     "session3",
+		clientVersion: "SSH-2.0-beszel_0.13.0",
+	}
+	v3 := agent.getHubVersion("session3", ctx3)
+	assert.Equal(t, "0.13.0", v3.String())
+}

agent/system.go

@@ -1,8 +1,6 @@
 package agent
 
 import (
-	"beszel"
-	"beszel/internal/entities/system"
 	"bufio"
 	"fmt"
 	"log/slog"
@@ -11,9 +9,14 @@ import (
 	"strings"
 	"time"
 
+	"github.com/henrygd/beszel"
+	"github.com/henrygd/beszel/agent/battery"
+	"github.com/henrygd/beszel/internal/entities/system"
+
 	"github.com/shirou/gopsutil/v4/cpu"
 	"github.com/shirou/gopsutil/v4/disk"
 	"github.com/shirou/gopsutil/v4/host"
+	"github.com/shirou/gopsutil/v4/load"
 	"github.com/shirou/gopsutil/v4/mem"
 	psutilNet "github.com/shirou/gopsutil/v4/net"
 )
@@ -31,6 +34,9 @@ func (a *Agent) initializeSystemInfo() {
 	} 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
 	}
@@ -55,10 +61,10 @@ func (a *Agent) initializeSystemInfo() {
 	}
 
 	// zfs
-	if _, err := getARCSize(); err == nil {
-		a.zfs = true
-	} else {
+	if _, err := getARCSize(); err != nil {
 		slog.Debug("Not monitoring ZFS ARC", "err", err)
+	} else {
+		a.zfs = true
 	}
 }
 
@@ -66,6 +72,11 @@ func (a *Agent) initializeSystemInfo() {
 func (a *Agent) getSystemStats() system.Stats {
 	systemStats := system.Stats{}
 
+	// battery
+	if battery.HasReadableBattery() {
+		systemStats.Battery[0], systemStats.Battery[1], _ = battery.GetBatteryStats()
+	}
+
 	// cpu percent
 	cpuPct, err := cpu.Percent(0, false)
 	if err != nil {
@@ -74,6 +85,16 @@ func (a *Agent) getSystemStats() system.Stats {
 		systemStats.Cpu = twoDecimals(cpuPct[0])
 	}
 
+	// load average
+	if avgstat, err := load.Avg(); err == nil {
+		systemStats.LoadAvg[0] = avgstat.Load1
+		systemStats.LoadAvg[1] = avgstat.Load5
+		systemStats.LoadAvg[2] = avgstat.Load15
+		slog.Debug("Load average", "5m", avgstat.Load5, "15m", avgstat.Load15)
+	} else {
+		slog.Error("Error getting load average", "err", err)
+	}
+
 	// memory
 	if v, err := mem.VirtualMemory(); err == nil {
 		// swap
@@ -160,24 +181,27 @@ func (a *Agent) getSystemStats() system.Stats {
 		a.initializeNetIoStats()
 	}
 	if netIO, err := psutilNet.IOCounters(true); err == nil {
-		secondsElapsed := time.Since(a.netIoStats.Time).Seconds()
+		msElapsed := uint64(time.Since(a.netIoStats.Time).Milliseconds())
 		a.netIoStats.Time = time.Now()
-		bytesSent := uint64(0)
-		bytesRecv := uint64(0)
+		totalBytesSent := uint64(0)
+		totalBytesRecv := 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
+			totalBytesSent += v.BytesSent
+			totalBytesRecv += 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)
+		var bytesSentPerSecond, bytesRecvPerSecond uint64
+		if msElapsed > 0 {
+			bytesSentPerSecond = (totalBytesSent - a.netIoStats.BytesSent) * 1000 / msElapsed
+			bytesRecvPerSecond = (totalBytesRecv - a.netIoStats.BytesRecv) * 1000 / msElapsed
+		}
+		networkSentPs := bytesToMegabytes(float64(bytesSentPerSecond))
+		networkRecvPs := bytesToMegabytes(float64(bytesRecvPerSecond))
 		// 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)
@@ -192,9 +216,10 @@ func (a *Agent) getSystemStats() system.Stats {
 		} else {
 			systemStats.NetworkSent = networkSentPs
 			systemStats.NetworkRecv = networkRecvPs
+			systemStats.Bandwidth[0], systemStats.Bandwidth[1] = bytesSentPerSecond, bytesRecvPerSecond
 			// update netIoStats
-			a.netIoStats.BytesSent = bytesSent
-			a.netIoStats.BytesRecv = bytesRecv
+			a.netIoStats.BytesSent = totalBytesSent
+			a.netIoStats.BytesRecv = totalBytesRecv
 		}
 	}
 
@@ -237,10 +262,17 @@ func (a *Agent) getSystemStats() system.Stats {
 
 	// update base system info
 	a.systemInfo.Cpu = systemStats.Cpu
+	a.systemInfo.LoadAvg = systemStats.LoadAvg
+	// TODO: remove these in future release in favor of load avg array
+	a.systemInfo.LoadAvg1 = systemStats.LoadAvg[0]
+	a.systemInfo.LoadAvg5 = systemStats.LoadAvg[1]
+	a.systemInfo.LoadAvg15 = systemStats.LoadAvg[2]
 	a.systemInfo.MemPct = systemStats.MemPct
 	a.systemInfo.DiskPct = systemStats.DiskPct
 	a.systemInfo.Uptime, _ = host.Uptime()
+	// TODO: in future release, remove MB bandwidth values in favor of bytes
 	a.systemInfo.Bandwidth = twoDecimals(systemStats.NetworkSent + systemStats.NetworkRecv)
+	a.systemInfo.BandwidthBytes = systemStats.Bandwidth[0] + systemStats.Bandwidth[1]
 	slog.Debug("sysinfo", "data", a.systemInfo)
 
 	return systemStats

agent/update.go

@@ -0,0 +1,165 @@
+package agent
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"runtime"
+	"strings"
+
+	"github.com/henrygd/beszel/internal/ghupdate"
+)
+
+// restarter knows how to restart the beszel-agent service.
+type restarter interface {
+	Restart() error
+}
+
+type systemdRestarter struct{ cmd string }
+
+func (s *systemdRestarter) Restart() error {
+	// Only restart if the service is active
+	if err := exec.Command(s.cmd, "is-active", "beszel-agent.service").Run(); err != nil {
+		return nil
+	}
+	ghupdate.ColorPrint(ghupdate.ColorYellow, "Restarting beszel-agent.service via systemd…")
+	return exec.Command(s.cmd, "restart", "beszel-agent.service").Run()
+}
+
+type openRCRestarter struct{ cmd string }
+
+func (o *openRCRestarter) Restart() error {
+	if err := exec.Command(o.cmd, "status", "beszel-agent").Run(); err != nil {
+		return nil
+	}
+	ghupdate.ColorPrint(ghupdate.ColorYellow, "Restarting beszel-agent via OpenRC…")
+	return exec.Command(o.cmd, "restart", "beszel-agent").Run()
+}
+
+type openWRTRestarter struct{ cmd string }
+
+func (w *openWRTRestarter) Restart() error {
+	if err := exec.Command(w.cmd, "running", "beszel-agent").Run(); err != nil {
+		return nil
+	}
+	ghupdate.ColorPrint(ghupdate.ColorYellow, "Restarting beszel-agent via procd…")
+	return exec.Command(w.cmd, "restart", "beszel-agent").Run()
+}
+
+type freeBSDRestarter struct{ cmd string }
+
+func (f *freeBSDRestarter) Restart() error {
+	if err := exec.Command(f.cmd, "beszel-agent", "status").Run(); err != nil {
+		return nil
+	}
+	ghupdate.ColorPrint(ghupdate.ColorYellow, "Restarting beszel-agent via FreeBSD rc…")
+	return exec.Command(f.cmd, "beszel-agent", "restart").Run()
+}
+
+func detectRestarter() restarter {
+	if path, err := exec.LookPath("systemctl"); err == nil {
+		return &systemdRestarter{cmd: path}
+	}
+	if path, err := exec.LookPath("rc-service"); err == nil {
+		return &openRCRestarter{cmd: path}
+	}
+	if path, err := exec.LookPath("service"); err == nil {
+		if runtime.GOOS == "freebsd" {
+			return &freeBSDRestarter{cmd: path}
+		}
+		return &openWRTRestarter{cmd: path}
+	}
+	return nil
+}
+
+// Update checks GitHub for a newer release of beszel-agent, applies it,
+// fixes SELinux context if needed, and restarts the service.
+func Update(useMirror bool) error {
+	exePath, _ := os.Executable()
+
+	dataDir, err := getDataDir()
+	if err != nil {
+		dataDir = os.TempDir()
+	}
+	updated, err := ghupdate.Update(ghupdate.Config{
+		ArchiveExecutable: "beszel-agent",
+		DataDir:           dataDir,
+		UseMirror:         useMirror,
+	})
+	if err != nil {
+		log.Fatal(err)
+	}
+	if !updated {
+		return nil
+	}
+
+	// make sure the file is executable
+	if err := os.Chmod(exePath, 0755); err != nil {
+		ghupdate.ColorPrintf(ghupdate.ColorYellow, "Warning: failed to set executable permissions: %v", err)
+	}
+	// set ownership to beszel:beszel if possible
+	if chownPath, err := exec.LookPath("chown"); err == nil {
+		if err := exec.Command(chownPath, "beszel:beszel", exePath).Run(); err != nil {
+			ghupdate.ColorPrintf(ghupdate.ColorYellow, "Warning: failed to set file ownership: %v", err)
+		}
+	}
+
+	// 6) Fix SELinux context if necessary
+	if err := handleSELinuxContext(exePath); err != nil {
+		ghupdate.ColorPrintf(ghupdate.ColorYellow, "Warning: SELinux context handling: %v", err)
+	}
+
+	// 7) Restart service if running under a recognised init system
+	if r := detectRestarter(); r != nil {
+		if err := r.Restart(); err != nil {
+			ghupdate.ColorPrintf(ghupdate.ColorYellow, "Warning: failed to restart service: %v", err)
+			ghupdate.ColorPrint(ghupdate.ColorYellow, "Please restart the service manually.")
+		} else {
+			ghupdate.ColorPrint(ghupdate.ColorGreen, "Service restarted successfully")
+		}
+	} else {
+		ghupdate.ColorPrint(ghupdate.ColorYellow, "No supported init system detected; please restart manually if needed.")
+	}
+
+	return nil
+}
+
+// handleSELinuxContext restores or applies the correct SELinux label to the binary.
+func handleSELinuxContext(path string) error {
+	out, err := exec.Command("getenforce").Output()
+	if err != nil {
+		// SELinux not enabled or getenforce not available
+		return nil
+	}
+	state := strings.TrimSpace(string(out))
+	if state == "Disabled" {
+		return nil
+	}
+
+	ghupdate.ColorPrint(ghupdate.ColorYellow, "SELinux is enabled; applying context…")
+	var errs []string
+
+	// Try persistent context via semanage+restorecon
+	if semanagePath, err := exec.LookPath("semanage"); err == nil {
+		if err := exec.Command(semanagePath, "fcontext", "-a", "-t", "bin_t", path).Run(); err != nil {
+			errs = append(errs, "semanage fcontext failed: "+err.Error())
+		} else if restoreconPath, err := exec.LookPath("restorecon"); err == nil {
+			if err := exec.Command(restoreconPath, "-v", path).Run(); err != nil {
+				errs = append(errs, "restorecon failed: "+err.Error())
+			}
+		}
+	}
+
+	// Fallback to temporary context via chcon
+	if chconPath, err := exec.LookPath("chcon"); err == nil {
+		if err := exec.Command(chconPath, "-t", "bin_t", path).Run(); err != nil {
+			errs = append(errs, "chcon failed: "+err.Error())
+		}
+	}
+
+	if len(errs) > 0 {
+		return fmt.Errorf("SELinux context errors: %s", strings.Join(errs, "; "))
+	}
+	return nil
+}

beszel.go

@@ -0,0 +1,15 @@
+// Package beszel provides core application constants and version information
+// which are used throughout the application.
+package beszel
+
+import "github.com/blang/semver"
+
+const (
+	// Version is the current version of the application.
+	Version = "0.12.7"
+	// AppName is the name of the application.
+	AppName = "beszel"
+)
+
+// MinVersionCbor is the minimum supported version for CBOR compatibility.
+var MinVersionCbor = semver.MustParse("0.12.0")

beszel/Makefile

@@ -1,72 +0,0 @@
-# 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

@@ -1,122 +0,0 @@
-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/internal/agent/agent.go

@@ -1,115 +0,0 @@
-// 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 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/health.go

@@ -1,18 +0,0 @@
-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

@@ -1,118 +0,0 @@
-//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/server.go

@@ -1,111 +0,0 @@
-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

@@ -1,289 +0,0 @@
-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/update.go

@@ -1,56 +0,0 @@
-package agent
-
-import (
-	"beszel"
-	"fmt"
-	"os"
-	"strings"
-
-	"github.com/blang/semver"
-	"github.com/rhysd/go-github-selfupdate/selfupdate"
-)
-
-// Update updates beszel-agent to the latest version
-func Update() {
-	var latest *selfupdate.Release
-	var found bool
-	var err error
-	currentVersion := semver.MustParse(beszel.Version)
-	fmt.Println("beszel-agent", currentVersion)
-	fmt.Println("Checking for updates...")
-	updater, _ := selfupdate.NewUpdater(selfupdate.Config{
-		Filters: []string{"beszel-agent"},
-	})
-	latest, found, err = updater.DetectLatest("henrygd/beszel")
-
-	if err != nil {
-		fmt.Println("Error checking for updates:", err)
-		os.Exit(1)
-	}
-
-	if !found {
-		fmt.Println("No updates found")
-		os.Exit(0)
-	}
-
-	fmt.Println("Latest version:", latest.Version)
-
-	if latest.Version.LTE(currentVersion) {
-		fmt.Println("You are up to date")
-		return
-	}
-
-	var binaryPath string
-	fmt.Printf("Updating from %s to %s...\n", currentVersion, latest.Version)
-	binaryPath, err = os.Executable()
-	if err != nil {
-		fmt.Println("Error getting binary path:", err)
-		os.Exit(1)
-	}
-	err = selfupdate.UpdateTo(latest.AssetURL, binaryPath)
-	if err != nil {
-		fmt.Println("Please try rerunning with sudo. Error:", err)
-		os.Exit(1)
-	}
-	fmt.Printf("Successfully updated to %s\n\n%s\n", latest.Version, strings.TrimSpace(latest.ReleaseNotes))
-}

beszel/internal/entities/system/system.go

@@ -1,98 +0,0 @@
-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
-)
-
-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/systems/systems.go

@@ -1,435 +0,0 @@
-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/update.go

@@ -1,57 +0,0 @@
-package hub
-
-import (
-	"beszel"
-	"fmt"
-	"os"
-	"strings"
-
-	"github.com/blang/semver"
-	"github.com/rhysd/go-github-selfupdate/selfupdate"
-	"github.com/spf13/cobra"
-)
-
-// 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(beszel.Version)
-	fmt.Println("beszel", currentVersion)
-	fmt.Println("Checking for updates...")
-	updater, _ := selfupdate.NewUpdater(selfupdate.Config{
-		Filters: []string{"beszel_"},
-	})
-	latest, found, err = updater.DetectLatest("henrygd/beszel")
-
-	if err != nil {
-		fmt.Println("Error checking for updates:", err)
-		os.Exit(1)
-	}
-
-	if !found {
-		fmt.Println("No updates found")
-		os.Exit(0)
-	}
-
-	fmt.Println("Latest version:", latest.Version)
-
-	if latest.Version.LTE(currentVersion) {
-		fmt.Println("You are up to date")
-		return
-	}
-
-	var binaryPath string
-	fmt.Printf("Updating from %s to %s...\n", currentVersion, latest.Version)
-	binaryPath, err = os.Executable()
-	if err != nil {
-		fmt.Println("Error getting binary path:", err)
-		os.Exit(1)
-	}
-	err = selfupdate.UpdateTo(latest.AssetURL, binaryPath)
-	if err != nil {
-		fmt.Println("Please try rerunning with sudo. Error:", err)
-		os.Exit(1)
-	}
-	fmt.Printf("Successfully updated to %s\n\n%s\n", latest.Version, strings.TrimSpace(latest.ReleaseNotes))
-}

beszel/internal/tests/hub.go

@@ -1,58 +0,0 @@
-// 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/migrations/initial-settings.go

@@ -1,29 +0,0 @@
-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/package.json

@@ -1,73 +0,0 @@
-{
-	"name": "beszel",
-	"private": true,
-	"version": "0.11.0",
-	"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

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

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

@@ -1,132 +0,0 @@
-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

@@ -1,310 +0,0 @@
-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

@@ -1,150 +0,0 @@
-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/mode-toggle.tsx

@@ -1,56 +0,0 @@
-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/routes/home.tsx

@@ -1,131 +0,0 @@
-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/general.tsx

@@ -1,111 +0,0 @@
-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/systems-table/systems-table.tsx

@@ -1,736 +0,0 @@
-import {
-	CellContext,
-	ColumnDef,
-	ColumnFiltersState,
-	getFilteredRowModel,
-	SortingState,
-	getSortedRowModel,
-	flexRender,
-	VisibilityState,
-	getCoreRowModel,
-	useReactTable,
-	HeaderContext,
-	Row,
-	Table as TableType,
-} from "@tanstack/react-table"
-
-import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table"
-
-import { Button, buttonVariants } from "@/components/ui/button"
-
-import {
-	DropdownMenu,
-	DropdownMenuCheckboxItem,
-	DropdownMenuContent,
-	DropdownMenuItem,
-	DropdownMenuLabel,
-	DropdownMenuRadioGroup,
-	DropdownMenuRadioItem,
-	DropdownMenuSeparator,
-	DropdownMenuTrigger,
-} from "@/components/ui/dropdown-menu"
-
-import {
-	AlertDialog,
-	AlertDialogAction,
-	AlertDialogCancel,
-	AlertDialogContent,
-	AlertDialogDescription,
-	AlertDialogFooter,
-	AlertDialogHeader,
-	AlertDialogTitle,
-} from "@/components/ui/alert-dialog"
-
-import { SystemRecord } from "@/types"
-import {
-	MoreHorizontalIcon,
-	ArrowUpDownIcon,
-	MemoryStickIcon,
-	CopyIcon,
-	PauseCircleIcon,
-	PlayCircleIcon,
-	Trash2Icon,
-	WifiIcon,
-	HardDriveIcon,
-	ServerIcon,
-	CpuIcon,
-	LayoutGridIcon,
-	LayoutListIcon,
-	ArrowDownIcon,
-	ArrowUpIcon,
-	Settings2Icon,
-	EyeIcon,
-	PenBoxIcon,
-} from "lucide-react"
-import { memo, useEffect, useMemo, useRef, useState } from "react"
-import { $systems, pb } from "@/lib/stores"
-import { useStore } from "@nanostores/react"
-import { cn, copyToClipboard, decimalString, isReadOnlyUser, useLocalStorage } from "@/lib/utils"
-import AlertsButton from "../alerts/alert-button"
-import { $router, Link, navigate } from "../router"
-import { EthernetIcon, GpuIcon, ThermometerIcon } from "../ui/icons"
-import { useLingui, Trans } from "@lingui/react/macro"
-import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "../ui/card"
-import { Input } from "../ui/input"
-import { ClassValue } from "clsx"
-import { getPagePath } from "@nanostores/router"
-import { SystemDialog } from "../add-system"
-import { Dialog } from "../ui/dialog"
-
-type ViewMode = "table" | "grid"
-
-function CellFormatter(info: CellContext<SystemRecord, unknown>) {
-	const val = (info.getValue() as number) || 0
-	return (
-		<div className="flex gap-2 items-center tabular-nums tracking-tight">
-			<span className="min-w-[3.3em]">{decimalString(val, 1)}%</span>
-			<span className="grow min-w-10 block bg-muted h-[1em] relative rounded-sm overflow-hidden">
-				<span
-					className={cn(
-						"absolute inset-0 w-full h-full origin-left",
-						(info.row.original.status !== "up" && "bg-primary/30") ||
-							(val < 65 && "bg-green-500") ||
-							(val < 90 && "bg-yellow-500") ||
-							"bg-red-600"
-					)}
-					style={{
-						transform: `scalex(${val / 100})`,
-					}}
-				></span>
-			</span>
-		</div>
-	)
-}
-
-function sortableHeader(context: HeaderContext<SystemRecord, unknown>) {
-	const { column } = context
-	// @ts-ignore
-	const { Icon, hideSort, name }: { Icon: React.ElementType; name: () => string; hideSort: boolean } = column.columnDef
-	return (
-		<Button
-			variant="ghost"
-			className="h-9 px-3 flex"
-			onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
-		>
-			{Icon && <Icon className="me-2 size-4" />}
-			{name()}
-			{hideSort || <ArrowUpDownIcon className="ms-2 size-4" />}
-		</Button>
-	)
-}
-
-export default function SystemsTable() {
-	const data = useStore($systems)
-	const { i18n, t } = useLingui()
-	const [filter, setFilter] = useState<string>()
-	const [sorting, setSorting] = useState<SortingState>([{ id: "system", desc: false }])
-	const [columnFilters, setColumnFilters] = useState<ColumnFiltersState>([])
-	const [columnVisibility, setColumnVisibility] = useLocalStorage<VisibilityState>("cols", {})
-	const [viewMode, setViewMode] = useLocalStorage<ViewMode>("viewMode", window.innerWidth > 1024 ? "table" : "grid")
-
-	const locale = i18n.locale
-
-	useEffect(() => {
-		if (filter !== undefined) {
-			table.getColumn("system")?.setFilterValue(filter)
-		}
-	}, [filter])
-
-	const columnDefs = useMemo(() => {
-		const statusTranslations = {
-			up: () => t`Up`.toLowerCase(),
-			down: () => t`Down`.toLowerCase(),
-			paused: () => t`Paused`.toLowerCase(),
-		}
-		return [
-			{
-				// size: 200,
-				size: 200,
-				minSize: 0,
-				accessorKey: "name",
-				id: "system",
-				name: () => t`System`,
-				filterFn: (row, _, filterVal) => {
-					const filterLower = filterVal.toLowerCase()
-					const { name, status } = row.original
-					// Check if the filter matches the name or status for this row
-					if (
-						name.toLowerCase().includes(filterLower) ||
-						statusTranslations[status as keyof typeof statusTranslations]?.().includes(filterLower)
-					) {
-						return true
-					}
-					return false
-				},
-				enableHiding: false,
-				Icon: ServerIcon,
-				cell: (info) => (
-					<span className="flex gap-0.5 items-center text-base md:pe-5">
-						<IndicatorDot system={info.row.original} />
-						<Button
-							data-nolink
-							variant={"ghost"}
-							className="text-primary/90 h-7 px-1.5 gap-1.5"
-							onClick={() => copyToClipboard(info.getValue() as string)}
-						>
-							{info.getValue() as string}
-							<CopyIcon className="h-2.5 w-2.5" />
-						</Button>
-					</span>
-				),
-				header: sortableHeader,
-			},
-			{
-				accessorKey: "info.cpu",
-				id: "cpu",
-				name: () => t`CPU`,
-				invertSorting: true,
-				cell: CellFormatter,
-				Icon: CpuIcon,
-				header: sortableHeader,
-			},
-			{
-				accessorKey: "info.mp",
-				id: "memory",
-				name: () => t`Memory`,
-				invertSorting: true,
-				cell: CellFormatter,
-				Icon: MemoryStickIcon,
-				header: sortableHeader,
-			},
-			{
-				accessorKey: "info.dp",
-				id: "disk",
-				name: () => t`Disk`,
-				invertSorting: true,
-				cell: CellFormatter,
-				Icon: HardDriveIcon,
-				header: sortableHeader,
-			},
-			{
-				accessorFn: (originalRow) => originalRow.info.g,
-				id: "gpu",
-				name: () => "GPU",
-				invertSorting: true,
-				sortUndefined: -1,
-				cell: CellFormatter,
-				Icon: GpuIcon,
-				header: sortableHeader,
-			},
-			{
-				accessorFn: (originalRow) => originalRow.info.b || 0,
-				id: "net",
-				name: () => t`Net`,
-				invertSorting: true,
-				size: 50,
-				Icon: EthernetIcon,
-				header: sortableHeader,
-				cell(info) {
-					const val = info.getValue() as number
-					return (
-						<span
-							className={cn("tabular-nums whitespace-nowrap", {
-								"ps-1": viewMode === "table",
-							})}
-						>
-							{decimalString(val, val >= 100 ? 1 : 2)} MB/s
-						</span>
-					)
-				},
-			},
-			{
-				accessorFn: (originalRow) => originalRow.info.dt,
-				id: "temp",
-				name: () => t({ message: "Temp", comment: "Temperature label in systems table" }),
-				invertSorting: true,
-				sortUndefined: -1,
-				size: 50,
-				hideSort: true,
-				Icon: ThermometerIcon,
-				header: sortableHeader,
-				cell(info) {
-					const val = info.getValue() as number
-					if (!val) {
-						return null
-					}
-					return (
-						<span
-							className={cn("tabular-nums whitespace-nowrap", {
-								"ps-1.5": viewMode === "table",
-							})}
-						>
-							{decimalString(val)} °C
-						</span>
-					)
-				},
-			},
-			{
-				accessorKey: "info.v",
-				id: "agent",
-				name: () => t`Agent`,
-				invertSorting: true,
-				size: 50,
-				Icon: WifiIcon,
-				hideSort: true,
-				header: sortableHeader,
-				cell(info) {
-					const version = info.getValue() as string
-					if (!version) {
-						return null
-					}
-					const system = info.row.original
-					return (
-						<span
-							className={cn("flex gap-2 items-center md:pe-5 tabular-nums", {
-								"ps-1": viewMode === "table",
-							})}
-						>
-							<IndicatorDot
-								system={system}
-								className={
-									(system.status !== "up" && "bg-primary/30") ||
-									(version === globalThis.BESZEL.HUB_VERSION && "bg-green-500") ||
-									"bg-yellow-500"
-								}
-							/>
-							<span>{info.getValue() as string}</span>
-						</span>
-					)
-				},
-			},
-			{
-				id: "actions",
-				// @ts-ignore
-				name: () => t({ message: "Actions", comment: "Table column" }),
-				size: 50,
-				cell: ({ row }) => (
-					<div className="flex justify-end items-center gap-1">
-						<AlertsButton system={row.original} />
-						<ActionsButton system={row.original} />
-					</div>
-				),
-			},
-		] as ColumnDef<SystemRecord>[]
-	}, [])
-
-	const table = useReactTable({
-		data,
-		columns: columnDefs,
-		getCoreRowModel: getCoreRowModel(),
-		onSortingChange: setSorting,
-		getSortedRowModel: getSortedRowModel(),
-		onColumnFiltersChange: setColumnFilters,
-		getFilteredRowModel: getFilteredRowModel(),
-		onColumnVisibilityChange: setColumnVisibility,
-		state: {
-			sorting,
-			columnFilters,
-			columnVisibility,
-		},
-		defaultColumn: {
-			minSize: 0,
-			size: 900,
-			maxSize: 900,
-		},
-	})
-
-	const rows = table.getRowModel().rows
-	const columns = table.getAllColumns()
-	const visibleColumns = table.getVisibleLeafColumns()
-	// TODO: hiding temp then gpu messes up table headers
-	const CardHead = useMemo(() => {
-		return (
-			<CardHeader className="pb-5 px-2 sm:px-6 max-sm:pt-5 max-sm:pb-1">
-				<div className="grid md:flex gap-5 w-full items-end">
-					<div className="px-2 sm:px-1">
-						<CardTitle className="mb-2.5">
-							<Trans>All Systems</Trans>
-						</CardTitle>
-						<CardDescription>
-							<Trans>Updated in real time. Click on a system to view information.</Trans>
-						</CardDescription>
-					</div>
-					<div className="flex gap-2 ms-auto w-full md:w-80">
-						<Input placeholder={t`Filter...`} onChange={(e) => setFilter(e.target.value)} className="px-4" />
-						<DropdownMenu>
-							<DropdownMenuTrigger asChild>
-								<Button variant="outline">
-									<Settings2Icon className="me-1.5 size-4 opacity-80" />
-									<Trans>View</Trans>
-								</Button>
-							</DropdownMenuTrigger>
-							<DropdownMenuContent align="end" className="h-72 md:h-auto min-w-48 md:min-w-auto overflow-y-auto">
-								<div className="grid grid-cols-1 md:grid-cols-3 divide-y md:divide-s md:divide-y-0">
-									<div>
-										<DropdownMenuLabel className="pt-2 px-3.5 flex items-center gap-2">
-											<LayoutGridIcon className="size-4" />
-											<Trans>Layout</Trans>
-										</DropdownMenuLabel>
-										<DropdownMenuSeparator />
-										<DropdownMenuRadioGroup
-											className="px-1 pb-1"
-											value={viewMode}
-											onValueChange={(view) => setViewMode(view as ViewMode)}
-										>
-											<DropdownMenuRadioItem value="table" onSelect={(e) => e.preventDefault()} className="gap-2">
-												<LayoutListIcon className="size-4" />
-												<Trans>Table</Trans>
-											</DropdownMenuRadioItem>
-											<DropdownMenuRadioItem value="grid" onSelect={(e) => e.preventDefault()} className="gap-2">
-												<LayoutGridIcon className="size-4" />
-												<Trans>Grid</Trans>
-											</DropdownMenuRadioItem>
-										</DropdownMenuRadioGroup>
-									</div>
-
-									<div>
-										<DropdownMenuLabel className="pt-2 px-3.5 flex items-center gap-2">
-											<ArrowUpDownIcon className="size-4" />
-											<Trans>Sort By</Trans>
-										</DropdownMenuLabel>
-										<DropdownMenuSeparator />
-										<div className="px-1 pb-1">
-											{columns.map((column) => {
-												if (!column.getCanSort()) return null
-												let Icon = <span className="w-6"></span>
-												// if current sort column, show sort direction
-												if (sorting[0]?.id === column.id) {
-													if (sorting[0]?.desc) {
-														Icon = <ArrowUpIcon className="me-2 size-4" />
-													} else {
-														Icon = <ArrowDownIcon className="me-2 size-4" />
-													}
-												}
-												return (
-													<DropdownMenuItem
-														onSelect={(e) => {
-															e.preventDefault()
-															setSorting([{ id: column.id, desc: sorting[0]?.id === column.id && !sorting[0]?.desc }])
-														}}
-														key={column.id}
-													>
-														{Icon}
-														{/* @ts-ignore */}
-														{column.columnDef.name()}
-													</DropdownMenuItem>
-												)
-											})}
-										</div>
-									</div>
-
-									<div>
-										<DropdownMenuLabel className="pt-2 px-3.5 flex items-center gap-2">
-											<EyeIcon className="size-4" />
-											<Trans>Visible Fields</Trans>
-										</DropdownMenuLabel>
-										<DropdownMenuSeparator />
-										<div className="px-1.5 pb-1">
-											{columns
-												.filter((column) => column.getCanHide())
-												.map((column) => {
-													return (
-														<DropdownMenuCheckboxItem
-															key={column.id}
-															onSelect={(e) => e.preventDefault()}
-															checked={column.getIsVisible()}
-															onCheckedChange={(value) => column.toggleVisibility(!!value)}
-														>
-															{/* @ts-ignore */}
-															{column.columnDef.name()}
-														</DropdownMenuCheckboxItem>
-													)
-												})}
-										</div>
-									</div>
-								</div>
-							</DropdownMenuContent>
-						</DropdownMenu>
-					</div>
-				</div>
-			</CardHeader>
-		)
-	}, [visibleColumns.length, sorting, viewMode, locale])
-
-	return (
-		<Card>
-			{CardHead}
-			<div className="p-6 pt-0 max-sm:py-3 max-sm:px-2">
-				{viewMode === "table" ? (
-					// table layout
-					<div className="rounded-md border overflow-hidden">
-						<AllSystemsTable table={table} rows={rows} colLength={visibleColumns.length} />
-					</div>
-				) : (
-					// grid layout
-					<div className="grid gap-4 grid-cols-1 sm:grid-cols-2 lg:grid-cols-3">
-						{rows?.length ? (
-							rows.map((row) => {
-								return <SystemCard key={row.original.id} row={row} table={table} colLength={visibleColumns.length} />
-							})
-						) : (
-							<div className="col-span-full text-center py-8">
-								<Trans>No systems found.</Trans>
-							</div>
-						)}
-					</div>
-				)}
-			</div>
-		</Card>
-	)
-}
-
-const AllSystemsTable = memo(
-	({ table, rows, colLength }: { table: TableType<SystemRecord>; rows: Row<SystemRecord>[]; colLength: number }) => {
-		return (
-			<Table>
-				<SystemsTableHead table={table} colLength={colLength} />
-				<TableBody>
-					{rows.length ? (
-						rows.map((row) => (
-							<SystemTableRow key={row.original.id} row={row} length={rows.length} colLength={colLength} />
-						))
-					) : (
-						<TableRow>
-							<TableCell colSpan={colLength} className="h-24 text-center">
-								<Trans>No systems found.</Trans>
-							</TableCell>
-						</TableRow>
-					)}
-				</TableBody>
-			</Table>
-		)
-	}
-)
-
-function SystemsTableHead({ table, colLength }: { table: TableType<SystemRecord>; colLength: number }) {
-	const { i18n } = useLingui()
-	return useMemo(() => {
-		return (
-			<TableHeader>
-				{table.getHeaderGroups().map((headerGroup) => (
-					<TableRow key={headerGroup.id}>
-						{headerGroup.headers.map((header) => {
-							return (
-								<TableHead className="px-2" key={header.id}>
-									{flexRender(header.column.columnDef.header, header.getContext())}
-								</TableHead>
-							)
-						})}
-					</TableRow>
-				))}
-			</TableHeader>
-		)
-	}, [i18n.locale, colLength])
-}
-
-const SystemTableRow = memo(
-	({ row, length, colLength }: { row: Row<SystemRecord>; length: number; colLength: number }) => {
-		const system = row.original
-		const { t } = useLingui()
-		return useMemo(() => {
-			return (
-				<TableRow
-					// data-state={row.getIsSelected() && "selected"}
-					className={cn("cursor-pointer transition-opacity", {
-						"opacity-50": system.status === "paused",
-					})}
-					onClick={(e) => {
-						const target = e.target as HTMLElement
-						if (!target.closest("[data-nolink]") && e.currentTarget.contains(target)) {
-							navigate(getPagePath($router, "system", { name: system.name }))
-						}
-					}}
-				>
-					{row.getVisibleCells().map((cell) => (
-						<TableCell
-							key={cell.id}
-							style={{
-								width: cell.column.getSize(),
-							}}
-							className={cn("overflow-hidden relative", length > 10 ? "py-2" : "py-2.5")}
-						>
-							{flexRender(cell.column.columnDef.cell, cell.getContext())}
-						</TableCell>
-					))}
-				</TableRow>
-			)
-		}, [system, system.status, colLength, t])
-	}
-)
-
-const SystemCard = memo(
-	({ row, table, colLength }: { row: Row<SystemRecord>; table: TableType<SystemRecord>; colLength: number }) => {
-		const system = row.original
-		const { t } = useLingui()
-
-		return useMemo(() => {
-			return (
-				<Card
-					key={system.id}
-					className={cn(
-						"cursor-pointer hover:shadow-md transition-all bg-transparent w-full dark:border-border duration-200 relative",
-						{
-							"opacity-50": system.status === "paused",
-						}
-					)}
-				>
-					<CardHeader className="py-1 ps-5 pe-3 bg-muted/30 border-b border-border/60">
-						<div className="flex items-center justify-between gap-2">
-							<CardTitle className="text-base tracking-normal shrink-1 text-primary/90 flex items-center min-h-10 gap-2.5 min-w-0">
-								<div className="flex items-center gap-2.5 min-w-0">
-									<IndicatorDot system={system} />
-									<CardTitle className="text-[.95em]/normal tracking-normal truncate text-primary/90">
-										{system.name}
-									</CardTitle>
-								</div>
-							</CardTitle>
-							{table.getColumn("actions")?.getIsVisible() && (
-								<div className="flex gap-1 flex-shrink-0 relative z-10">
-									<AlertsButton system={system} />
-									<ActionsButton system={system} />
-								</div>
-							)}
-						</div>
-					</CardHeader>
-					<CardContent className="space-y-2.5 text-sm px-5 pt-3.5 pb-4">
-						{table.getAllColumns().map((column) => {
-							if (!column.getIsVisible() || column.id === "system" || column.id === "actions") return null
-							const cell = row.getAllCells().find((cell) => cell.column.id === column.id)
-							if (!cell) return null
-							// @ts-ignore
-							const { Icon, name } = column.columnDef as ColumnDef<SystemRecord, unknown>
-							return (
-								<div key={column.id} className="flex items-center gap-3">
-									{Icon && <Icon className="size-4 text-muted-foreground" />}
-									<div className="flex items-center gap-3 flex-1">
-										<span className="text-muted-foreground min-w-16">{name()}:</span>
-										<div className="flex-1">{flexRender(cell.column.columnDef.cell, cell.getContext())}</div>
-									</div>
-								</div>
-							)
-						})}
-					</CardContent>
-					<Link
-						href={getPagePath($router, "system", { name: row.original.name })}
-						className="inset-0 absolute w-full h-full"
-					>
-						<span className="sr-only">{row.original.name}</span>
-					</Link>
-				</Card>
-			)
-		}, [system, colLength, t])
-	}
-)
-
-const ActionsButton = memo(({ system }: { system: SystemRecord }) => {
-	const [deleteOpen, setDeleteOpen] = useState(false)
-	const [editOpen, setEditOpen] = useState(false)
-	let editOpened = useRef(false)
-	const { t } = useLingui()
-	const { id, status, host, name } = system
-
-	return useMemo(() => {
-		return (
-			<>
-				<DropdownMenu>
-					<DropdownMenuTrigger asChild>
-						<Button variant="ghost" size={"icon"} data-nolink>
-							<span className="sr-only">
-								<Trans>Open menu</Trans>
-							</span>
-							<MoreHorizontalIcon className="w-5" />
-						</Button>
-					</DropdownMenuTrigger>
-					<DropdownMenuContent align="end">
-						{!isReadOnlyUser() && (
-							<DropdownMenuItem
-								onSelect={() => {
-									editOpened.current = true
-									setEditOpen(true)
-								}}
-							>
-								<PenBoxIcon className="me-2.5 size-4" />
-								<Trans>Edit</Trans>
-							</DropdownMenuItem>
-						)}
-						<DropdownMenuItem
-							className={cn(isReadOnlyUser() && "hidden")}
-							onClick={() => {
-								pb.collection("systems").update(id, {
-									status: status === "paused" ? "pending" : "paused",
-								})
-							}}
-						>
-							{status === "paused" ? (
-								<>
-									<PlayCircleIcon className="me-2.5 size-4" />
-									<Trans>Resume</Trans>
-								</>
-							) : (
-								<>
-									<PauseCircleIcon className="me-2.5 size-4" />
-									<Trans>Pause</Trans>
-								</>
-							)}
-						</DropdownMenuItem>
-						<DropdownMenuItem onClick={() => copyToClipboard(host)}>
-							<CopyIcon className="me-2.5 size-4" />
-							<Trans>Copy host</Trans>
-						</DropdownMenuItem>
-						<DropdownMenuSeparator className={cn(isReadOnlyUser() && "hidden")} />
-						<DropdownMenuItem className={cn(isReadOnlyUser() && "hidden")} onSelect={() => setDeleteOpen(true)}>
-							<Trash2Icon className="me-2.5 size-4" />
-							<Trans>Delete</Trans>
-						</DropdownMenuItem>
-					</DropdownMenuContent>
-				</DropdownMenu>
-				{/* edit dialog */}
-				<Dialog open={editOpen} onOpenChange={setEditOpen}>
-					{editOpened.current && <SystemDialog system={system} setOpen={setEditOpen} />}
-				</Dialog>
-				{/* deletion dialog */}
-				<AlertDialog open={deleteOpen} onOpenChange={(open) => setDeleteOpen(open)}>
-					<AlertDialogContent>
-						<AlertDialogHeader>
-							<AlertDialogTitle>
-								<Trans>Are you sure you want to delete {name}?</Trans>
-							</AlertDialogTitle>
-							<AlertDialogDescription>
-								<Trans>
-									This action cannot be undone. This will permanently delete all current records for {name} from the
-									database.
-								</Trans>
-							</AlertDialogDescription>
-						</AlertDialogHeader>
-						<AlertDialogFooter>
-							<AlertDialogCancel>
-								<Trans>Cancel</Trans>
-							</AlertDialogCancel>
-							<AlertDialogAction
-								className={cn(buttonVariants({ variant: "destructive" }))}
-								onClick={() => pb.collection("systems").delete(id)}
-							>
-								<Trans>Continue</Trans>
-							</AlertDialogAction>
-						</AlertDialogFooter>
-					</AlertDialogContent>
-				</AlertDialog>
-			</>
-		)
-	}, [id, status, host, name, t, deleteOpen, editOpen])
-})
-
-function IndicatorDot({ system, className }: { system: SystemRecord; className?: ClassValue }) {
-	className ||= {
-		"bg-green-500": system.status === "up",
-		"bg-red-500": system.status === "down",
-		"bg-primary/40": system.status === "paused",
-		"bg-yellow-500": system.status === "pending",
-	}
-	return (
-		<span
-			className={cn("flex-shrink-0 size-2 rounded-full", className)}
-			// style={{ marginBottom: "-1px" }}
-		/>
-	)
-}

beszel/site/src/components/ui/command.tsx

@@ -1,132 +0,0 @@
-import * as React from "react"
-import { DialogTitle, type DialogProps } from "@radix-ui/react-dialog"
-import { Command as CommandPrimitive } from "cmdk"
-import { Search } from "lucide-react"
-
-import { cn } from "@/lib/utils"
-import { Dialog, DialogContent } from "@/components/ui/dialog"
-
-const Command = React.forwardRef<
-	React.ElementRef<typeof CommandPrimitive>,
-	React.ComponentPropsWithoutRef<typeof CommandPrimitive>
->(({ className, ...props }, ref) => (
-	<CommandPrimitive
-		ref={ref}
-		className={cn("flex h-full w-full flex-col overflow-hidden bg-popover text-popover-foreground", className)}
-		{...props}
-	/>
-))
-Command.displayName = CommandPrimitive.displayName
-
-interface CommandDialogProps extends DialogProps {}
-
-const CommandDialog = ({ children, ...props }: CommandDialogProps) => {
-	return (
-		<Dialog {...props}>
-			<DialogContent className="overflow-hidden p-0 shadow-lg">
-				<div className="sr-only">
-					<DialogTitle>Command</DialogTitle>
-				</div>
-				<Command className="[&_[cmdk-group-heading]]:px-2 [&_[cmdk-group-heading]]:font-medium [&_[cmdk-group-heading]]:text-muted-foreground [&_[cmdk-group]:not([hidden])_~[cmdk-group]]:pt-0 [&_[cmdk-group]]:px-2 [&_[cmdk-input-wrapper]_svg]:h-5 [&_[cmdk-input-wrapper]_svg]:w-5 [&_[cmdk-input]]:h-12 [&_[cmdk-item]]:px-2 [&_[cmdk-item]]:py-3 [&_[cmdk-item]_svg]:h-5 [&_[cmdk-item]_svg]:w-5">
-					{children}
-				</Command>
-			</DialogContent>
-		</Dialog>
-	)
-}
-
-const CommandInput = React.forwardRef<
-	React.ElementRef<typeof CommandPrimitive.Input>,
-	React.ComponentPropsWithoutRef<typeof CommandPrimitive.Input>
->(({ className, ...props }, ref) => (
-	<div className="flex items-center border-b px-3" cmdk-input-wrapper="">
-		<Search className="me-2 h-4 w-4 shrink-0 opacity-50" />
-		<CommandPrimitive.Input
-			ref={ref}
-			className={cn(
-				"flex h-11 w-full rounded-md bg-transparent py-3 text-sm outline-none placeholder:text-muted-foreground disabled:cursor-not-allowed disabled:opacity-50",
-				className
-			)}
-			{...props}
-		/>
-	</div>
-))
-
-CommandInput.displayName = CommandPrimitive.Input.displayName
-
-const CommandList = React.forwardRef<
-	React.ElementRef<typeof CommandPrimitive.List>,
-	React.ComponentPropsWithoutRef<typeof CommandPrimitive.List>
->(({ className, ...props }, ref) => (
-	<CommandPrimitive.List
-		ref={ref}
-		className={cn("max-h-[300px] overflow-y-auto overflow-x-hidden", className)}
-		{...props}
-	/>
-))
-
-CommandList.displayName = CommandPrimitive.List.displayName
-
-const CommandEmpty = React.forwardRef<
-	React.ElementRef<typeof CommandPrimitive.Empty>,
-	React.ComponentPropsWithoutRef<typeof CommandPrimitive.Empty>
->((props, ref) => <CommandPrimitive.Empty ref={ref} className="py-6 text-center text-sm" {...props} />)
-
-CommandEmpty.displayName = CommandPrimitive.Empty.displayName
-
-const CommandGroup = React.forwardRef<
-	React.ElementRef<typeof CommandPrimitive.Group>,
-	React.ComponentPropsWithoutRef<typeof CommandPrimitive.Group>
->(({ className, ...props }, ref) => (
-	<CommandPrimitive.Group
-		ref={ref}
-		className={cn(
-			"overflow-hidden p-1 text-foreground [&_[cmdk-group-heading]]:px-2 [&_[cmdk-group-heading]]:py-1.5 [&_[cmdk-group-heading]]:text-xs [&_[cmdk-group-heading]]:font-medium [&_[cmdk-group-heading]]:text-muted-foreground",
-			className
-		)}
-		{...props}
-	/>
-))
-
-CommandGroup.displayName = CommandPrimitive.Group.displayName
-
-const CommandSeparator = React.forwardRef<
-	React.ElementRef<typeof CommandPrimitive.Separator>,
-	React.ComponentPropsWithoutRef<typeof CommandPrimitive.Separator>
->(({ className, ...props }, ref) => (
-	<CommandPrimitive.Separator ref={ref} className={cn("-mx-1 h-px bg-border", className)} {...props} />
-))
-CommandSeparator.displayName = CommandPrimitive.Separator.displayName
-
-const CommandItem = React.forwardRef<
-	React.ElementRef<typeof CommandPrimitive.Item>,
-	React.ComponentPropsWithoutRef<typeof CommandPrimitive.Item>
->(({ className, ...props }, ref) => (
-	<CommandPrimitive.Item
-		ref={ref}
-		className={cn(
-			"relative flex cursor-default opacity-70 select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none aria-selected:bg-accent aria-selected:opacity-90 data-[disabled='true']:pointer-events-none data-[disabled='true']:opacity-50",
-			className
-		)}
-		{...props}
-	/>
-))
-
-CommandItem.displayName = CommandPrimitive.Item.displayName
-
-const CommandShortcut = ({ className, ...props }: React.HTMLAttributes<HTMLSpanElement>) => {
-	return <span className={cn("ms-auto text-xs tracking-wide text-muted-foreground", className)} {...props} />
-}
-CommandShortcut.displayName = "CommandShortcut"
-
-export {
-	Command,
-	CommandDialog,
-	CommandInput,
-	CommandList,
-	CommandEmpty,
-	CommandGroup,
-	CommandItem,
-	CommandShortcut,
-	CommandSeparator,
-}

beszel/site/src/components/ui/input.tsx

@@ -1,22 +0,0 @@
-import * as React from "react"
-
-import { cn } from "@/lib/utils"
-
-export interface InputProps extends React.InputHTMLAttributes<HTMLInputElement> {}
-
-const Input = React.forwardRef<HTMLInputElement, InputProps>(({ className, type, ...props }, ref) => {
-	return (
-		<input
-			type={type}
-			className={cn(
-				"flex h-10 w-full rounded-md border bg-background px-3 py-2 text-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50",
-				className
-			)}
-			ref={ref}
-			{...props}
-		/>
-	)
-})
-Input.displayName = "Input"
-
-export { Input }

beszel/site/src/components/ui/toaster.tsx

@@ -1,24 +0,0 @@
-import { Toast, ToastClose, ToastDescription, ToastProvider, ToastTitle, ToastViewport } from "@/components/ui/toast"
-import { useToast } from "@/components/ui/use-toast"
-
-export function Toaster() {
-	const { toasts } = useToast()
-
-	return (
-		<ToastProvider>
-			{toasts.map(function ({ id, title, description, action, ...props }) {
-				return (
-					<Toast key={id} {...props}>
-						<div className="grid gap-1">
-							{title && <ToastTitle>{title}</ToastTitle>}
-							{description && <ToastDescription>{description}</ToastDescription>}
-						</div>
-						{action}
-						<ToastClose />
-					</Toast>
-				)
-			})}
-			<ToastViewport />
-		</ToastProvider>
-	)
-}

beszel/site/src/components/ui/tooltip.tsx

@@ -1,28 +0,0 @@
-import * as React from "react"
-import * as TooltipPrimitive from "@radix-ui/react-tooltip"
-
-import { cn } from "@/lib/utils"
-
-const TooltipProvider = TooltipPrimitive.Provider
-
-const Tooltip = TooltipPrimitive.Root
-
-const TooltipTrigger = TooltipPrimitive.Trigger
-
-const TooltipContent = React.forwardRef<
-	React.ElementRef<typeof TooltipPrimitive.Content>,
-	React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Content>
->(({ className, sideOffset = 4, ...props }, ref) => (
-	<TooltipPrimitive.Content
-		ref={ref}
-		sideOffset={sideOffset}
-		className={cn(
-			"z-50 overflow-hidden rounded-md border bg-popover px-3 py-1.5 text-sm text-popover-foreground shadow-md animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
-			className
-		)}
-		{...props}
-	/>
-))
-TooltipContent.displayName = TooltipPrimitive.Content.displayName
-
-export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }

beszel/site/src/index.css

@@ -1,103 +0,0 @@
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
-
-@layer base {
-	:root {
-		--background: 30 8% 98.5%;
-		--foreground: 30 0% 0%;
-		--card: 30 0% 100%;
-		--card-foreground: 240 6.67% 2.94%;
-		--popover: 30 0% 100%;
-		--popover-foreground: 240 10% 6.2%;
-		--primary: 240 5.88% 10%;
-		--primary-foreground: 30 0% 100%;
-		--secondary: 240 4.76% 95.88%;
-		--secondary-foreground: 240 5.88% 10%;
-		--muted: 26 6% 94%;
-		--muted-foreground: 24 2.79% 35.1%;
-		--accent: 20 23.08% 94%;
-		--accent-foreground: 240 5.88% 10%;
-		--destructive: 0 66% 53%;
-		--destructive-foreground: 0 0% 98.04%;
-		--border: 30 8.11% 85.49%;
-		--input: 30 4.29% 72.55%;
-		--ring: 30 3.97% 49.41%;
-		--radius: 0.8rem;
-		/* charts */
-		--chart-1: 220 70% 50%;
-		--chart-2: 160 60% 45%;
-		--chart-3: 30 80% 55%;
-		--chart-4: 280 65% 60%;
-		--chart-5: 340 75% 55%;
-	}
-
-	.dark {
-		color-scheme: dark;
-		--background: 220 5.5% 9%;
-		--foreground: 220 2% 97%;
-		--card: 220 5.5% 10.5%;
-		--card-foreground: 220 2% 97%;
-		--popover: 220 5.5% 9%;
-		--popover-foreground: 220 2% 97%;
-		--primary: 220 2% 96%;
-		--primary-foreground: 220 4% 10%;
-		--secondary: 220 4% 16%;
-		--secondary-foreground: 220 0% 98%;
-		--muted: 220 6% 16%;
-		--muted-foreground: 220 4% 67%;
-		--accent: 220 5% 15.5%;
-		--accent-foreground: 220 2% 98%;
-		--destructive: 0 62% 46%;
-		--destructive-foreground: 0 0% 97%;
-		--border: 220 3% 16%;
-		--input: 220 4% 22%;
-		--ring: 220 4% 80%;
-		--radius: 0.8rem;
-	}
-}
-
-/* Fonts */
-@supports (font-variation-settings: normal) {
-	:root {
-		font-family: Inter, InterVariable, sans-serif;
-	}
-}
-@font-face {
-	font-family: InterVariable;
-	font-style: normal;
-	font-weight: 100 900;
-	font-display: swap;
-	src: url("/static/InterVariable.woff2?v=4.0") format("woff2");
-}
-
-@layer base {
-	* {
-		@apply border-border;
-		overflow-anchor: none;
-	}
-	body {
-		@apply bg-background text-foreground;
-	}
-}
-
-@layer utilities {
-	.link {
-		@apply text-primary font-medium underline-offset-4 hover:underline;
-	}
-	/* New system dialog width */
-	.ns-dialog {
-		min-width: 30.3rem;
-	}
-	:where(:lang(zh), :lang(zh-CN), :lang(ko)) .ns-dialog {
-		min-width: 27.9rem;
-	}
-}
-
-.recharts-tooltip-wrapper {
-	z-index: 1;
-}
-
-.recharts-yAxis {
-	@apply tabular-nums;
-}

beszel/site/src/lib/enums.ts

@@ -1,13 +0,0 @@
-export enum Os {
-	Linux = 0,
-	Darwin,
-	Windows,
-	// FreeBSD,
-}
-
-export enum ChartType {
-	Memory,
-	Disk,
-	Network,
-	CPU,
-}

beszel/site/src/lib/stores.ts

@@ -1,48 +0,0 @@
-import PocketBase from "pocketbase"
-import { atom, map, PreinitializedWritableAtom } from "nanostores"
-import { AlertRecord, ChartTimes, SystemRecord, UserSettings } from "@/types"
-import { basePath } from "@/components/router"
-
-/** PocketBase JS Client */
-export const pb = new PocketBase(basePath)
-
-/** Store if user is authenticated */
-export const $authenticated = atom(pb.authStore.isValid)
-
-/** List of system records */
-export const $systems = atom([] as SystemRecord[])
-
-/** List of alert records */
-export const $alerts = atom([] as AlertRecord[])
-
-/** SSH public key */
-export const $publicKey = atom("")
-
-/** Chart time period */
-export const $chartTime = atom("1h") as PreinitializedWritableAtom<ChartTimes>
-
-/** Whether to display average or max chart values */
-export const $maxValues = atom(false)
-
-/** User settings */
-export const $userSettings = map<UserSettings>({
-	chartTime: "1h",
-	emails: [pb.authStore.record?.email || ""],
-})
-// update local storage on change
-$userSettings.subscribe((value) => {
-	// console.log('user settings changed', value)
-	$chartTime.set(value.chartTime)
-})
-
-/** Container chart filter */
-export const $containerFilter = atom("")
-
-/** Temperature chart filter */
-export const $temperatureFilter = atom("")
-
-/** Fallback copy to clipboard dialog content */
-export const $copyContent = atom("")
-
-/** Direction for localization */
-export const $direction = atom<"ltr" | "rtl">("ltr")

beszel/site/src/lib/utils.ts

@@ -1,357 +0,0 @@
-import { t } from "@lingui/core/macro";
-import { toast } from "@/components/ui/use-toast"
-import { type ClassValue, clsx } from "clsx"
-import { twMerge } from "tailwind-merge"
-import { $alerts, $copyContent, $systems, $userSettings, pb } from "./stores"
-import { AlertInfo, AlertRecord, ChartTimeData, ChartTimes, SystemRecord } from "@/types"
-import { RecordModel, RecordSubscription } from "pocketbase"
-import { WritableAtom } from "nanostores"
-import { timeDay, timeHour } from "d3-time"
-import { useEffect, useState } from "react"
-import { CpuIcon, HardDriveIcon, MemoryStickIcon, ServerIcon } from "lucide-react"
-import { EthernetIcon, ThermometerIcon } from "@/components/ui/icons"
-import { prependBasePath } from "@/components/router"
-
-export function cn(...inputs: ClassValue[]) {
-	return twMerge(clsx(inputs))
-}
-
-/** Adds event listener to node and returns function that removes the listener */
-export function listen<T extends Event = Event>(
-  node: Node, 
-  event: string, 
-  handler: (event: T) => void
-) {
-  node.addEventListener(event, handler as EventListener)
-  return () => node.removeEventListener(event, handler as EventListener)
-}
-
-export async function copyToClipboard(content: string) {
-	const duration = 1500
-	try {
-		await navigator.clipboard.writeText(content)
-		toast({
-			duration,
-			description: t`Copied to clipboard`,
-		})
-	} catch (e: any) {
-		$copyContent.set(content)
-	}
-}
-
-const verifyAuth = () => {
-	pb.collection("users")
-		.authRefresh()
-		.catch(() => {
-			logOut()
-			toast({
-				title: t`Failed to authenticate`,
-				description: t`Please log in again`,
-				variant: "destructive",
-			})
-		})
-}
-
-export const updateSystemList = (() => {
-	let isFetchingSystems = false
-	return async () => {
-		if (isFetchingSystems) {
-			return
-		}
-		isFetchingSystems = true
-		try {
-			const records = await pb
-				.collection<SystemRecord>("systems")
-				.getFullList({ sort: "+name", fields: "id,name,host,port,info,status" })
-
-			if (records.length) {
-				$systems.set(records)
-			} else {
-				verifyAuth()
-			}
-		} finally {
-			isFetchingSystems = false
-		}
-	}
-})()
-
-/** Logs the user out by clearing the auth store and unsubscribing from realtime updates. */
-export async function logOut() {
-	sessionStorage.setItem("lo", "t")
-	pb.authStore.clear()
-	pb.realtime.unsubscribe()
-}
-
-export const updateAlerts = () => {
-	pb.collection("alerts")
-		.getFullList<AlertRecord>({ fields: "id,name,system,value,min,triggered", sort: "updated" })
-		.then((records) => {
-			$alerts.set(records)
-		})
-}
-
-const hourWithMinutesFormatter = new Intl.DateTimeFormat(undefined, {
-	hour: "numeric",
-	minute: "numeric",
-})
-export const hourWithMinutes = (timestamp: string) => {
-	return hourWithMinutesFormatter.format(new Date(timestamp))
-}
-
-const shortDateFormatter = new Intl.DateTimeFormat(undefined, {
-	day: "numeric",
-	month: "short",
-	hour: "numeric",
-	minute: "numeric",
-})
-export const formatShortDate = (timestamp: string) => {
-	return shortDateFormatter.format(new Date(timestamp))
-}
-
-const dayFormatter = new Intl.DateTimeFormat(undefined, {
-	day: "numeric",
-	month: "short",
-})
-export const formatDay = (timestamp: string) => {
-	return dayFormatter.format(new Date(timestamp))
-}
-
-export const updateFavicon = (newIcon: string) => {
-	;(document.querySelector("link[rel='icon']") as HTMLLinkElement).href = prependBasePath(`/static/${newIcon}`)
-}
-
-export const isAdmin = () => pb.authStore.record?.role === "admin"
-export const isReadOnlyUser = () => pb.authStore.record?.role === "readonly"
-
-/** Update systems / alerts list when records change  */
-export function updateRecordList<T extends RecordModel>(e: RecordSubscription<T>, $store: WritableAtom<T[]>) {
-	const curRecords = $store.get()
-	const newRecords = []
-	if (e.action === "delete") {
-		for (const server of curRecords) {
-			if (server.id !== e.record.id) {
-				newRecords.push(server)
-			}
-		}
-	} else {
-		let found = 0
-		for (const server of curRecords) {
-			if (server.id === e.record.id) {
-				found = newRecords.push(e.record)
-			} else {
-				newRecords.push(server)
-			}
-		}
-		if (!found) {
-			newRecords.push(e.record)
-		}
-	}
-	$store.set(newRecords)
-}
-
-export function getPbTimestamp(timeString: ChartTimes, d?: Date) {
-	d ||= chartTimeData[timeString].getOffset(new Date())
-	const year = d.getUTCFullYear()
-	const month = String(d.getUTCMonth() + 1).padStart(2, "0")
-	const day = String(d.getUTCDate()).padStart(2, "0")
-	const hours = String(d.getUTCHours()).padStart(2, "0")
-	const minutes = String(d.getUTCMinutes()).padStart(2, "0")
-	const seconds = String(d.getUTCSeconds()).padStart(2, "0")
-
-	return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`
-}
-
-export const chartTimeData: ChartTimeData = {
-	"1h": {
-		type: "1m",
-		expectedInterval: 60_000,
-		label: () => t`1 hour`,
-		// ticks: 12,
-		format: (timestamp: string) => hourWithMinutes(timestamp),
-		getOffset: (endTime: Date) => timeHour.offset(endTime, -1),
-	},
-	"12h": {
-		type: "10m",
-		expectedInterval: 60_000 * 10,
-		label: () => t`12 hours`,
-		ticks: 12,
-		format: (timestamp: string) => hourWithMinutes(timestamp),
-		getOffset: (endTime: Date) => timeHour.offset(endTime, -12),
-	},
-	"24h": {
-		type: "20m",
-		expectedInterval: 60_000 * 20,
-		label: () => t`24 hours`,
-		format: (timestamp: string) => hourWithMinutes(timestamp),
-		getOffset: (endTime: Date) => timeHour.offset(endTime, -24),
-	},
-	"1w": {
-		type: "120m",
-		expectedInterval: 60_000 * 120,
-		label: () => t`1 week`,
-		ticks: 7,
-		format: (timestamp: string) => formatDay(timestamp),
-		getOffset: (endTime: Date) => timeDay.offset(endTime, -7),
-	},
-	"30d": {
-		type: "480m",
-		expectedInterval: 60_000 * 480,
-		label: () => t`30 days`,
-		ticks: 30,
-		format: (timestamp: string) => formatDay(timestamp),
-		getOffset: (endTime: Date) => timeDay.offset(endTime, -30),
-	},
-}
-
-/** Sets the correct width of the y axis in recharts based on the longest label */
-export function useYAxisWidth() {
-	const [yAxisWidth, setYAxisWidth] = useState(0)
-	let maxChars = 0
-	let timeout: Timer
-	function updateYAxisWidth(str: string) {
-		if (str.length > maxChars) {
-			maxChars = str.length
-			const div = document.createElement("div")
-			div.className = "text-xs tabular-nums tracking-tighter table sr-only"
-			div.innerHTML = str
-			clearTimeout(timeout)
-			timeout = setTimeout(() => {
-				document.body.appendChild(div)
-				const width = div.offsetWidth + 24
-				if (width > yAxisWidth) {
-					setYAxisWidth(div.offsetWidth + 24)
-				}
-				document.body.removeChild(div)
-			})
-		}
-		return str
-	}
-	return { yAxisWidth, updateYAxisWidth }
-}
-
-export function toFixedWithoutTrailingZeros(num: number, digits: number) {
-	return parseFloat(num.toFixed(digits)).toString()
-}
-
-export function toFixedFloat(num: number, digits: number) {
-	return parseFloat(num.toFixed(digits))
-}
-
-let decimalFormatters: Map<number, Intl.NumberFormat> = new Map()
-/** Format number to x decimal places */
-export function decimalString(num: number, digits = 2) {
-	let formatter = decimalFormatters.get(digits)
-	if (!formatter) {
-		formatter = new Intl.NumberFormat(undefined, {
-			minimumFractionDigits: digits,
-			maximumFractionDigits: digits,
-		})
-		decimalFormatters.set(digits, formatter)
-	}
-	return formatter.format(num)
-}
-
-/** Get value from local storage */
-function getStorageValue(key: string, defaultValue: any) {
-	const saved = localStorage?.getItem(key)
-	return saved ? JSON.parse(saved) : defaultValue
-}
-
-/** Hook to sync value in local storage */
-export function useLocalStorage<T>(key: string, defaultValue: T) {
-	key = `besz-${key}`
-	const [value, setValue] = useState(() => {
-		return getStorageValue(key, defaultValue)
-	})
-	useEffect(() => {
-		localStorage?.setItem(key, JSON.stringify(value))
-	}, [key, value])
-
-	return [value, setValue]
-}
-
-export async function updateUserSettings() {
-	try {
-		const req = await pb.collection("user_settings").getFirstListItem("", { fields: "settings" })
-		$userSettings.set(req.settings)
-		return
-	} catch (e) {
-		console.log("get settings", e)
-	}
-	// create user settings if error fetching existing
-	try {
-		const createdSettings = await pb.collection("user_settings").create({ user: pb.authStore.record!.id })
-		$userSettings.set(createdSettings.settings)
-	} catch (e) {
-		console.log("create settings", e)
-	}
-}
-
-/**
- * Get the value and unit of size (TB, GB, or MB) for a given size
- * @param n size in gigabytes or megabytes
- * @param isGigabytes boolean indicating if n represents gigabytes (true) or megabytes (false)
- * @returns an object containing the value and unit of size
- */
-export const getSizeAndUnit = (n: number, isGigabytes = true) => {
-	const sizeInGB = isGigabytes ? n : n / 1_000
-
-	if (sizeInGB >= 1_000) {
-		return { v: sizeInGB / 1_000, u: " TB" }
-	} else if (sizeInGB >= 1) {
-		return { v: sizeInGB, u: " GB" }
-	}
-	return { v: isGigabytes ? sizeInGB * 1_000 : n, u: " MB" }
-}
-
-export const chartMargin = { top: 12 }
-
-export const alertInfo: Record<string, AlertInfo> = {
-	Status: {
-		name: () => t`Status`,
-		unit: "",
-		icon: ServerIcon,
-		desc: () => t`Triggers when status switches between up and down`,
-		/** "for x minutes" is appended to desc when only one value */
-		singleDesc: () => t`System` + " " + t`Down`,
-	},
-	CPU: {
-		name: () => t`CPU Usage`,
-		unit: "%",
-		icon: CpuIcon,
-		desc: () => t`Triggers when CPU usage exceeds a threshold`,
-	},
-	Memory: {
-		name: () => t`Memory Usage`,
-		unit: "%",
-		icon: MemoryStickIcon,
-		desc: () => t`Triggers when memory usage exceeds a threshold`,
-	},
-	Disk: {
-		name: () => t`Disk Usage`,
-		unit: "%",
-		icon: HardDriveIcon,
-		desc: () => t`Triggers when usage of any disk exceeds a threshold`,
-	},
-	Bandwidth: {
-		name: () => t`Bandwidth`,
-		unit: " MB/s",
-		icon: EthernetIcon,
-		desc: () => t`Triggers when combined up/down exceeds a threshold`,
-		max: 125,
-	},
-	Temperature: {
-		name: () => t`Temperature`,
-		unit: "°C",
-		icon: ThermometerIcon,
-		desc: () => t`Triggers when any sensor exceeds a threshold`,
-	},
-}
-
-/**
- * Retuns value of system host, truncating full path if socket.
- * @example
- * // Assuming system.host is "/var/run/beszel.sock"
- * const hostname = getHostDisplayValue(system) // hostname will be "beszel.sock"
- */
-export const getHostDisplayValue = (system: SystemRecord): string => system.host.slice(system.host.lastIndexOf("/") + 1)

beszel/site/tailwind.config.js

@@ -1,100 +0,0 @@
-/** @type {import('tailwindcss').Config} */
-module.exports = {
-	darkMode: ["class"],
-	content: ["./pages/**/*.{ts,tsx}", "./components/**/*.{ts,tsx}", "./app/**/*.{ts,tsx}", "./src/**/*.{ts,tsx}"],
-	prefix: "",
-	theme: {
-		container: {
-			center: true,
-			padding: "1rem",
-			screens: {
-				"2xl": "1420px",
-			},
-		},
-		extend: {
-			fontFamily: {
-				sans: "Inter, sans-serif",
-				// body: ['Inter', 'sans-serif'],
-				// display: ['Inter', 'sans-serif'],
-			},
-			screens: {
-				xs: "425px",
-				450: "450px",
-			},
-			colors: {
-				green: {
-					50: "#EBF9F0",
-					100: "#D8F3E1",
-					200: "#ADE6C0",
-					300: "#85DBA2",
-					400: "#5ACE81",
-					500: "#38BB63",
-					600: "#2D954F",
-					700: "#22723D",
-					800: "#164B28",
-					900: "#0C2715",
-					950: "#06140A",
-				},
-				border: "hsl(var(--border))",
-				input: "hsl(var(--input))",
-				ring: "hsl(var(--ring))",
-				background: "hsl(var(--background))",
-				foreground: "hsl(var(--foreground))",
-				primary: {
-					DEFAULT: "hsl(var(--primary))",
-					foreground: "hsl(var(--primary-foreground))",
-				},
-				secondary: {
-					DEFAULT: "hsl(var(--secondary))",
-					foreground: "hsl(var(--secondary-foreground))",
-				},
-				destructive: {
-					DEFAULT: "hsl(var(--destructive))",
-					foreground: "hsl(var(--destructive-foreground))",
-				},
-				muted: {
-					DEFAULT: "hsl(var(--muted))",
-					foreground: "hsl(var(--muted-foreground))",
-				},
-				accent: {
-					DEFAULT: "hsl(var(--accent))",
-					foreground: "hsl(var(--accent-foreground))",
-				},
-				popover: {
-					DEFAULT: "hsl(var(--popover))",
-					foreground: "hsl(var(--popover-foreground))",
-				},
-				card: {
-					DEFAULT: "hsl(var(--card))",
-					foreground: "hsl(var(--card-foreground))",
-				},
-			},
-			borderRadius: {
-				lg: "var(--radius)",
-				md: "calc(var(--radius) - 2px)",
-				sm: "calc(var(--radius) - 4px)",
-			},
-			keyframes: {
-				"accordion-down": {
-					from: { height: "0" },
-					to: { height: "var(--radix-accordion-content-height)" },
-				},
-				"accordion-up": {
-					from: { height: "var(--radix-accordion-content-height)" },
-					to: { height: "0" },
-				},
-			},
-			animation: {
-				"accordion-down": "accordion-down 0.2s ease-out",
-				"accordion-up": "accordion-up 0.2s ease-out",
-			},
-		},
-	},
-	plugins: [
-		require("tailwindcss-animate"),
-		require("tailwindcss-rtl"),
-		function ({ addVariant }) {
-			addVariant("light", ".light &")
-		},
-	],
-}

beszel/version.go

@@ -1,6 +0,0 @@
-package beszel
-
-const (
-	Version = "0.11.0"
-	AppName = "beszel"
-)

go.mod

@@ -1,24 +1,27 @@
-module beszel
+module github.com/henrygd/beszel
 
-go 1.24.2
+go 1.25.1
 
 // 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/distatus/battery v0.11.0
+	github.com/fxamacker/cbor/v2 v2.9.0
 	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/google/uuid v1.6.0
+	github.com/lxzan/gws v1.8.9
+	github.com/nicholas-fedor/shoutrrr v0.8.17
 	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/pocketbase/pocketbase v0.29.3
+	github.com/shirou/gopsutil/v4 v4.25.6
+	github.com/spf13/cast v1.9.2
 	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
+	github.com/spf13/pflag v1.0.7
+	github.com/stretchr/testify v1.11.0
+	golang.org/x/crypto v0.41.0
+	golang.org/x/exp v0.0.0-20250819193227-8b4c13bb791b
 	gopkg.in/yaml.v3 v3.0.1
 )
 
@@ -27,42 +30,40 @@ require (
 	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/dolthub/maphash v0.1.0 // 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/ebitengine/purego v0.8.4 // 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/golang-jwt/jwt/v5 v5.3.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/lufia/plan9stats v0.0.0-20250317134145-8bc96cf8fc35 // indirect
+	github.com/klauspost/compress v1.18.0 // indirect
+	github.com/lufia/plan9stats v0.0.0-20250821153705-5981dea3221d // 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/x448/float16 v0.8.4 // 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
+	golang.org/x/image v0.30.0 // indirect
+	golang.org/x/net v0.43.0 // indirect
+	golang.org/x/oauth2 v0.30.0 // indirect
+	golang.org/x/sync v0.16.0 // indirect
+	golang.org/x/sys v0.35.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
+	howett.net/plist v1.0.1 // indirect
+	modernc.org/libc v1.66.3 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
-	modernc.org/memory v1.10.0 // indirect
-	modernc.org/sqlite v1.37.0 // indirect
+	modernc.org/memory v1.11.0 // indirect
+	modernc.org/sqlite v1.38.2 // indirect
 )

go.sum

@@ -13,17 +13,22 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1
 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/distatus/battery v0.11.0 h1:KJk89gz90Iq/wJtbjjM9yUzBXV+ASV/EG2WOOL7N8lc=
+github.com/distatus/battery v0.11.0/go.mod h1:KmVkE8A8hpIX4T78QRdMktYpEp35QfOL8A8dwZBxq2k=
+github.com/dolthub/maphash v0.1.0 h1:bsQ7JsF4FkkWyrP3oCnFJgrCUAFbFf3kOl4L/QxPDyQ=
+github.com/dolthub/maphash v0.1.0/go.mod h1:gkg4Ch4CdCDu5h6PMriVLawB7koZ+5ijb9puGMV50a4=
 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/ebitengine/purego v0.8.4 h1:CF7LEKg5FFOsASUj0+QwaXf8Ht6TlFxg09+S9wz0omw=
+github.com/ebitengine/purego v0.8.4/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=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/fxamacker/cbor/v2 v2.9.0 h1:NpKPmjDBgUfBms6tr6JZkTHtfFGcMKsw3eGcmD/sapM=
+github.com/fxamacker/cbor/v2 v2.9.0/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
 github.com/gabriel-vasile/mimetype v1.4.9 h1:5k+WDwEsD9eTLL8Tz3L0VnmVh9QxGjRmjBvAG7U/oYY=
 github.com/gabriel-vasile/mimetype v1.4.9/go.mod h1:WnSQhFKJuBlRyLiKohA/2DtIlPFAbguNaG7QCHcyGok=
 github.com/ganigeorgiev/fexpr v0.5.0 h1:XA9JxtTE/Xm+g/JFI6RfZEHSiQlk+1glLvRK1Lpv/Tk=
@@ -42,41 +47,30 @@ github.com/go-sql-driver/mysql v1.9.1 h1:FrjNGn/BsJQjVRuSa8CBrM5BWA9BWoXXat3KrtS
 github.com/go-sql-driver/mysql v1.9.1/go.mod h1:qn46aNg1333BRMNU69Lq93t8du/dwxI64Gl8i5p1WMU=
 github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI=
 github.com/go-task/slim-sprig/v3 v3.0.0/go.mod h1:W848ghGpv3Qj3dhTPRyJypKRiqCdHZiAzKg9hl15HA8=
-github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
-github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
-github.com/golang-jwt/jwt/v5 v5.2.2 h1:Rl4B7itRWVtYIHFrSNd7vhTiz9UpLdi6gZhZ3wEeDy8=
-github.com/golang-jwt/jwt/v5 v5.2.2/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVIyoH402zdk=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang-jwt/jwt/v5 v5.3.0 h1:pv4AsKCKKZuqlgs5sUmn4x8UlGa0kEVt/puTpKx9vvo=
+github.com/golang-jwt/jwt/v5 v5.3.0/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
 github.com/golang/protobuf v1.3.1/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 v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
-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/google/pprof v0.0.0-20250403155104-27863c87afa6 h1:BHT72Gu3keYf3ZEu2J0b1vyeLSOYI8bm5wbJM/8yDe8=
 github.com/google/pprof v0.0.0-20250403155104-27863c87afa6/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-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/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/jarcoal/httpmock v1.4.0 h1:BvhqnH0JAYbNudL2GMJKgOHe2CtKlzJ/5rWKyp+hc2k=
 github.com/jarcoal/httpmock v1.4.0/go.mod h1:ftW1xULwo+j0R0JJkJIIi7UKigZUXCLLanykgjwBXL0=
-github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
+github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
+github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
-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/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/lufia/plan9stats v0.0.0-20250317134145-8bc96cf8fc35 h1:PpXWgLPs+Fqr325bN2FD2ISlRRztXibcX6e8f5FR5Dc=
-github.com/lufia/plan9stats v0.0.0-20250317134145-8bc96cf8fc35/go.mod h1:autxFIvghDt3jPTLoqZ9OZ7s9qTGNAWmYCjVFWPX/zg=
+github.com/lufia/plan9stats v0.0.0-20250821153705-5981dea3221d h1:vFzYZc8yji+9DmNRhpEbs8VBK4CgV/DPfGzeVJSSp/8=
+github.com/lufia/plan9stats v0.0.0-20250821153705-5981dea3221d/go.mod h1:autxFIvghDt3jPTLoqZ9OZ7s9qTGNAWmYCjVFWPX/zg=
+github.com/lxzan/gws v1.8.9 h1:VU3SGUeWlQrEwfUSfokcZep8mdg/BrUF+y73YYshdBM=
+github.com/lxzan/gws v1.8.9/go.mod h1:d9yHaR1eDTBHagQC6KY7ycUOaz5KWeqQtP3xu7aMK8Y=
 github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHPsaIE=
 github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
@@ -85,11 +79,8 @@ github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdh
 github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/nicholas-fedor/shoutrrr v0.8.8 h1:F/oyoatWK5cbHPPgkjRZrA0262TP7KWuUQz9KskRtR8=
 github.com/nicholas-fedor/shoutrrr v0.8.8/go.mod h1:T30Y+eoZFEjDk4HtOItcHQioZSOe3Z6a6aNfSz6jc5c=
-github.com/onsi/ginkgo v1.6.0 h1:Ix8l273rp3QzYgXSR+c8d1fTG7UPgYkOSELPhiY/YGw=
-github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo/v2 v2.23.4 h1:ktYTpKJAVZnDT4VjxSbiBenUjmlL/5QkBEocaWXiQus=
 github.com/onsi/ginkgo/v2 v2.23.4/go.mod h1:Bt66ApGPBFzHyR+JO10Zbt0Gsp4uWxu5mIOTusL46e8=
-github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/onsi/gomega v1.37.0 h1:CdEG8g0S133B4OswTDC/5XPSzE1OeP29QOioj2PID2Y=
 github.com/onsi/gomega v1.37.0/go.mod h1:8D9+Txp43QWKhM24yyOBEdpkzN8FvJyAwecBgsU4KU0=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@@ -97,122 +88,105 @@ github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRI
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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-modernc.org/cc/v4 v4.26.0/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
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-modernc.org/ccgo/v4 v4.26.0/go.mod h1:Sem8f7TFUtVXkG2fiaChQtyyfkqhJBg/zjEJBkmuAVY=
-modernc.org/fileutil v1.3.1 h1:8vq5fe7jdtEvoCf3Zf9Nm0Q05sH6kGx0Op2CPx1wTC8=
-modernc.org/fileutil v1.3.1/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc=
+howett.net/plist v1.0.1 h1:37GdZ8tP09Q35o9ych3ehygcsL+HqKSwzctveSlarvM=
+howett.net/plist v1.0.1/go.mod h1:lqaXoTrLY4hg8tnEzNru53gicrbv7rrk+2xJA/7hw9g=
+modernc.org/cc/v4 v4.26.2 h1:991HMkLjJzYBIfha6ECZdjrIYz2/1ayr+FL8GN+CNzM=
+modernc.org/cc/v4 v4.26.2/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
+modernc.org/ccgo/v4 v4.28.0 h1:rjznn6WWehKq7dG4JtLRKxb52Ecv8OUGah8+Z/SfpNU=
+modernc.org/ccgo/v4 v4.28.0/go.mod h1:JygV3+9AV6SmPhDasu4JgquwU81XAKLd3OKTUDNOiKE=
+modernc.org/fileutil v1.3.8 h1:qtzNm7ED75pd1C7WgAGcK4edm4fvhtBsEiI/0NQ54YM=
+modernc.org/fileutil v1.3.8/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc=
 modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
 modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
-modernc.org/libc v1.64.0 h1:U0k8BD2d3cD3e9I8RLcZgJBHAcsJzbXx5mKGSb5pyJA=
-modernc.org/libc v1.64.0/go.mod h1:7m9VzGq7APssBTydds2zBcxGREwvIGpuUBaKTXdm2Qs=
+modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
+modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
+modernc.org/libc v1.66.3 h1:cfCbjTUcdsKyyZZfEUKfoHcP3S0Wkvz3jgSzByEWVCQ=
+modernc.org/libc v1.66.3/go.mod h1:XD9zO8kt59cANKvHPXpx7yS2ELPheAey0vjIuZOhOU8=
 modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
 modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
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+modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
+modernc.org/memory v1.11.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
 modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8=
 modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
 modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
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-modernc.org/sqlite v1.37.0 h1:s1TMe7T3Q3ovQiK2Ouz4Jwh7dw4ZDqbebSDTlSJdfjI=
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+modernc.org/sqlite v1.38.2 h1:Aclu7+tgjgcQVShZqim41Bbw9Cho0y/7WzYptXqkEek=
+modernc.org/sqlite v1.38.2/go.mod h1:cPTJYSlgg3Sfg046yBShXENNtPrWrDX8bsbAQBzgQ5E=
 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=

i18n.yml

@@ -1,3 +1,3 @@
 files:
-  - source: /beszel/site/src/locales/en/en.po
-    translation: /beszel/site/src/locales/%two_letters_code%/%two_letters_code%.po
+  - source: /internal/site/src/locales/en/
+    translation: /internal/site/src/locales/%two_letters_code%/%two_letters_code%.po

internal/alerts/alerts.go

@@ -10,13 +10,17 @@ import (
 
 	"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 hubLike interface {
+	core.App
+	MakeLink(parts ...string) string
+}
+
 type AlertManager struct {
-	app           core.App
+	hub           hubLike
 	alertQueue    chan alertTask
 	stopChan      chan struct{}
 	pendingAlerts sync.Map
@@ -42,6 +46,7 @@ type SystemAlertStats struct {
 	NetSent      float64            `json:"ns"`
 	NetRecv      float64            `json:"nr"`
 	Temperatures map[string]float32 `json:"t"`
+	LoadAvg      [3]float64         `json:"la"`
 }
 
 type SystemAlertData struct {
@@ -79,19 +84,27 @@ var supportsTitle = map[string]struct{}{
 }
 
 // NewAlertManager creates a new AlertManager instance.
-func NewAlertManager(app core.App) *AlertManager {
+func NewAlertManager(app hubLike) *AlertManager {
 	am := &AlertManager{
-		app:        app,
-		alertQueue: make(chan alertTask),
+		hub:        app,
+		alertQueue: make(chan alertTask, 5),
 		stopChan:   make(chan struct{}),
 	}
+	am.bindEvents()
 	go am.startWorker()
 	return am
 }
 
+// Bind events to the alerts collection lifecycle
+func (am *AlertManager) bindEvents() {
+	am.hub.OnRecordAfterUpdateSuccess("alerts").BindFunc(updateHistoryOnAlertUpdate)
+	am.hub.OnRecordAfterDeleteSuccess("alerts").BindFunc(resolveHistoryOnAlertDelete)
+}
+
+// SendAlert sends an alert to the user
 func (am *AlertManager) SendAlert(data AlertMessageData) error {
 	// get user settings
-	record, err := am.app.FindFirstRecordByFilter(
+	record, err := am.hub.FindFirstRecordByFilter(
 		"user_settings", "user={:user}",
 		dbx.Params{"user": data.UserID},
 	)
@@ -104,12 +117,12 @@ func (am *AlertManager) SendAlert(data AlertMessageData) error {
 		Webhooks: []string{},
 	}
 	if err := record.UnmarshalJSONField("settings", &userAlertSettings); err != nil {
-		am.app.Logger().Error("Failed to unmarshal user settings", "err", err.Error())
+		am.hub.Logger().Error("Failed to unmarshal user settings", "err", err)
 	}
 	// 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())
+			am.hub.Logger().Error("Failed to send shoutrrr alert", "err", err)
 		}
 	}
 	// send alerts via email
@@ -125,15 +138,15 @@ func (am *AlertManager) SendAlert(data AlertMessageData) error {
 		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,
+			Address: am.hub.Settings().Meta.SenderAddress,
+			Name:    am.hub.Settings().Meta.SenderName,
 		},
 	}
-	err = am.app.NewMailClient().Send(&message)
+	err = am.hub.NewMailClient().Send(&message)
 	if err != nil {
 		return err
 	}
-	am.app.Logger().Info("Sent email alert", "to", message.To, "subj", message.Subject)
+	am.hub.Logger().Info("Sent email alert", "to", message.To, "subj", message.Subject)
 	return nil
 }
 
@@ -183,25 +196,23 @@ func (am *AlertManager) SendShoutrrrAlert(notificationUrl, title, message, link,
 	err = shoutrrr.Send(parsedURL.String(), message)
 
 	if err == nil {
-		am.app.Logger().Info("Sent shoutrrr alert", "title", title)
+		am.hub.Logger().Info("Sent shoutrrr alert", "title", title)
 	} else {
-		am.app.Logger().Error("Error sending shoutrrr alert", "err", err.Error())
+		am.hub.Logger().Error("Error sending shoutrrr alert", "err", err)
 		return err
 	}
 	return nil
 }
 
 func (am *AlertManager) SendTestNotification(e *core.RequestEvent) error {
-	info, _ := e.RequestInfo()
-	if info.Auth == nil {
-		return apis.NewForbiddenError("Forbidden", nil)
+	var data struct {
+		URL string `json:"url"`
 	}
-	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 := e.BindBody(&data)
+	if err != nil || data.URL == "" {
+		return e.BadRequestError("URL is required", err)
 	}
-	err := am.SendShoutrrrAlert(url, "Test Alert", "This is a notification from Beszel.", am.app.Settings().Meta.AppURL, "View Beszel")
+	err = am.SendShoutrrrAlert(data.URL, "Test Alert", "This is a notification from Beszel.", am.hub.Settings().Meta.AppURL, "View Beszel")
 	if err != nil {
 		return e.JSON(200, map[string]string{"err": err.Error()})
 	}

internal/alerts/alerts_api.go

@@ -0,0 +1,119 @@
+package alerts
+
+import (
+	"database/sql"
+	"errors"
+	"net/http"
+
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/core"
+)
+
+// UpsertUserAlerts handles API request to create or update alerts for a user
+// across multiple systems (POST /api/beszel/user-alerts)
+func UpsertUserAlerts(e *core.RequestEvent) error {
+	userID := e.Auth.Id
+
+	reqData := struct {
+		Min       uint8    `json:"min"`
+		Value     float64  `json:"value"`
+		Name      string   `json:"name"`
+		Systems   []string `json:"systems"`
+		Overwrite bool     `json:"overwrite"`
+	}{}
+	err := e.BindBody(&reqData)
+	if err != nil || userID == "" || reqData.Name == "" || len(reqData.Systems) == 0 {
+		return e.BadRequestError("Bad data", err)
+	}
+
+	alertsCollection, err := e.App.FindCachedCollectionByNameOrId("alerts")
+	if err != nil {
+		return err
+	}
+
+	err = e.App.RunInTransaction(func(txApp core.App) error {
+		for _, systemId := range reqData.Systems {
+			// find existing matching alert
+			alertRecord, err := txApp.FindFirstRecordByFilter(alertsCollection,
+				"system={:system} && name={:name} && user={:user}",
+				dbx.Params{"system": systemId, "name": reqData.Name, "user": userID})
+
+			if err != nil && !errors.Is(err, sql.ErrNoRows) {
+				return err
+			}
+
+			// skip if alert already exists and overwrite is not set
+			if !reqData.Overwrite && alertRecord != nil {
+				continue
+			}
+
+			// create new alert if it doesn't exist
+			if alertRecord == nil {
+				alertRecord = core.NewRecord(alertsCollection)
+				alertRecord.Set("user", userID)
+				alertRecord.Set("system", systemId)
+				alertRecord.Set("name", reqData.Name)
+			}
+
+			alertRecord.Set("value", reqData.Value)
+			alertRecord.Set("min", reqData.Min)
+
+			if err := txApp.SaveNoValidate(alertRecord); err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+
+	if err != nil {
+		return err
+	}
+
+	return e.JSON(http.StatusOK, map[string]any{"success": true})
+}
+
+// DeleteUserAlerts handles API request to delete alerts for a user across multiple systems
+// (DELETE /api/beszel/user-alerts)
+func DeleteUserAlerts(e *core.RequestEvent) error {
+	userID := e.Auth.Id
+
+	reqData := struct {
+		AlertName string   `json:"name"`
+		Systems   []string `json:"systems"`
+	}{}
+	err := e.BindBody(&reqData)
+	if err != nil || userID == "" || reqData.AlertName == "" || len(reqData.Systems) == 0 {
+		return e.BadRequestError("Bad data", err)
+	}
+
+	var numDeleted uint16
+
+	err = e.App.RunInTransaction(func(txApp core.App) error {
+		for _, systemId := range reqData.Systems {
+			// Find existing alert to delete
+			alertRecord, err := txApp.FindFirstRecordByFilter("alerts",
+				"system={:system} && name={:name} && user={:user}",
+				dbx.Params{"system": systemId, "name": reqData.AlertName, "user": userID})
+
+			if err != nil {
+				if errors.Is(err, sql.ErrNoRows) {
+					// alert doesn't exist, continue to next system
+					continue
+				}
+				return err
+			}
+
+			if err := txApp.Delete(alertRecord); err != nil {
+				return err
+			}
+			numDeleted++
+		}
+		return nil
+	})
+
+	if err != nil {
+		return err
+	}
+
+	return e.JSON(http.StatusOK, map[string]any{"success": true, "count": numDeleted})
+}

internal/alerts/alerts_history.go

@@ -0,0 +1,74 @@
+package alerts
+
+import (
+	"time"
+
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/core"
+)
+
+// On triggered alert record delete, set matching alert history record to resolved
+func resolveHistoryOnAlertDelete(e *core.RecordEvent) error {
+	if !e.Record.GetBool("triggered") {
+		return e.Next()
+	}
+	_ = resolveAlertHistoryRecord(e.App, e.Record.Id)
+	return e.Next()
+}
+
+// On alert record update, update alert history record
+func updateHistoryOnAlertUpdate(e *core.RecordEvent) error {
+	original := e.Record.Original()
+	new := e.Record
+
+	originalTriggered := original.GetBool("triggered")
+	newTriggered := new.GetBool("triggered")
+
+	// no need to update alert history if triggered state has not changed
+	if originalTriggered == newTriggered {
+		return e.Next()
+	}
+
+	// if new state is triggered, create new alert history record
+	if newTriggered {
+		_, _ = createAlertHistoryRecord(e.App, new)
+		return e.Next()
+	}
+
+	// if new state is not triggered, check for matching alert history record and set it to resolved
+	_ = resolveAlertHistoryRecord(e.App, new.Id)
+	return e.Next()
+}
+
+// resolveAlertHistoryRecord sets the resolved field to the current time
+func resolveAlertHistoryRecord(app core.App, alertRecordID string) error {
+	alertHistoryRecord, err := app.FindFirstRecordByFilter("alerts_history", "alert_id={:alert_id} && resolved=null", dbx.Params{"alert_id": alertRecordID})
+	if err != nil || alertHistoryRecord == nil {
+		return err
+	}
+	alertHistoryRecord.Set("resolved", time.Now().UTC())
+	err = app.Save(alertHistoryRecord)
+	if err != nil {
+		app.Logger().Error("Failed to resolve alert history", "err", err)
+	}
+	return err
+}
+
+// createAlertHistoryRecord creates a new alert history record
+func createAlertHistoryRecord(app core.App, alertRecord *core.Record) (alertHistoryRecord *core.Record, err error) {
+	alertHistoryCollection, err := app.FindCachedCollectionByNameOrId("alerts_history")
+	if err != nil {
+		return nil, err
+	}
+	alertHistoryRecord = core.NewRecord(alertHistoryCollection)
+	alertHistoryRecord.Set("alert_id", alertRecord.Id)
+	alertHistoryRecord.Set("user", alertRecord.GetString("user"))
+	alertHistoryRecord.Set("system", alertRecord.GetString("system"))
+	alertHistoryRecord.Set("name", alertRecord.GetString("name"))
+	alertHistoryRecord.Set("value", alertRecord.GetFloat("value"))
+	err = app.Save(alertHistoryRecord)
+	if err != nil {
+		app.Logger().Error("Failed to save alert history", "err", err)
+	}
+	return alertHistoryRecord, err
+}

internal/alerts/alerts_status.go

@@ -2,7 +2,6 @@ package alerts
 
 import (
 	"fmt"
-	"net/url"
 	"strings"
 	"time"
 
@@ -87,7 +86,7 @@ func (am *AlertManager) HandleStatusAlerts(newStatus string, systemRecord *core.
 
 // 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{
+	alertRecords, err := am.hub.FindAllRecords("alerts", dbx.HashExp{
 		"system": systemID,
 		"name":   "Status",
 	})
@@ -130,13 +129,21 @@ func (am *AlertManager) handleSystemUp(systemName string, alertRecords []*core.R
 		}
 		// 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())
+			am.hub.Logger().Error("Failed to send alert", "err", err)
 		}
 	}
 }
 
 // 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 {
+	switch alertStatus {
+	case "up":
+		alertRecord.Set("triggered", false)
+	case "down":
+		alertRecord.Set("triggered", true)
+	}
+	am.hub.Save(alertRecord)
+
 	var emoji string
 	if alertStatus == "up" {
 		emoji = "\u2705" // Green checkmark emoji
@@ -147,19 +154,19 @@ func (am *AlertManager) sendStatusAlert(alertStatus string, systemName string, a
 	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
-	}
+	// if errs := am.hub.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,
+		UserID:   alertRecord.GetString("user"),
 		Title:    title,
 		Message:  message,
-		Link:     am.app.Settings().Meta.AppURL + "/system/" + url.PathEscape(systemName),
+		Link:     am.hub.MakeLink("system", systemName),
 		LinkText: "View " + systemName,
 	})
 }

internal/alerts/alerts_system.go

@@ -1,13 +1,13 @@
 package alerts
 
 import (
-	"beszel/internal/entities/system"
+	"encoding/json"
 	"fmt"
-	"net/url"
 	"strings"
 	"time"
 
-	"github.com/goccy/go-json"
+	"github.com/henrygd/beszel/internal/entities/system"
+
 	"github.com/pocketbase/dbx"
 	"github.com/pocketbase/pocketbase/core"
 	"github.com/pocketbase/pocketbase/tools/types"
@@ -15,8 +15,8 @@ import (
 )
 
 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}),
+	alertRecords, err := am.hub.FindAllRecords("alerts",
+		dbx.NewExp("system={:system} AND name!='Status'", dbx.Params{"system": systemRecord.Id}),
 	)
 	if err != nil || len(alertRecords) == 0 {
 		// log.Println("no alerts found for system")
@@ -55,6 +55,15 @@ func (am *AlertManager) HandleSystemAlerts(systemRecord *core.Record, data *syst
 			}
 			val = data.Info.DashboardTemp
 			unit = "°C"
+		case "LoadAvg1":
+			val = data.Info.LoadAvg[0]
+			unit = ""
+		case "LoadAvg5":
+			val = data.Info.LoadAvg[1]
+			unit = ""
+		case "LoadAvg15":
+			val = data.Info.LoadAvg[2]
+			unit = ""
 		}
 
 		triggered := alertRecord.GetBool("triggered")
@@ -101,7 +110,7 @@ func (am *AlertManager) HandleSystemAlerts(systemRecord *core.Record, data *syst
 		Created types.DateTime `db:"created"`
 	}{}
 
-	err = am.app.DB().
+	err = am.hub.DB().
 		Select("stats", "created").
 		From("system_stats").
 		Where(dbx.NewExp(
@@ -191,6 +200,12 @@ func (am *AlertManager) HandleSystemAlerts(systemRecord *core.Record, data *syst
 					}
 					alert.mapSums[key] += temp
 				}
+			case "LoadAvg1":
+				alert.val += stats.LoadAvg[0]
+			case "LoadAvg5":
+				alert.val += stats.LoadAvg[1]
+			case "LoadAvg15":
+				alert.val += stats.LoadAvg[2]
 			default:
 				continue
 			}
@@ -248,6 +263,10 @@ func (am *AlertManager) sendSystemAlert(alert SystemAlertData) {
 	if alert.name == "Disk" {
 		alert.name += " usage"
 	}
+	// format LoadAvg5 and LoadAvg15
+	if after, ok := strings.CutPrefix(alert.name, "LoadAvg"); ok {
+		alert.name = after + "m Load"
+	}
 
 	// make title alert name lowercase if not CPU
 	titleAlertName := alert.name
@@ -271,22 +290,15 @@ func (am *AlertManager) sendSystemAlert(alert SystemAlertData) {
 	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())
+	if err := am.hub.Save(alert.alertRecord); err != nil {
+		// app.Logger().Error("failed to save alert record", "err", err)
 		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,
-		})
-	}
+	am.SendAlert(AlertMessageData{
+		UserID:   alert.alertRecord.GetString("user"),
+		Title:    subject,
+		Message:  body,
+		Link:     am.hub.MakeLink("system", systemName),
+		LinkText: "View " + systemName,
+	})
 }

internal/alerts/alerts_test.go

@@ -0,0 +1,604 @@
+//go:build testing
+// +build testing
+
+package alerts_test
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"net/http"
+	"strings"
+	"testing"
+	"testing/synctest"
+	"time"
+
+	beszelTests "github.com/henrygd/beszel/internal/tests"
+
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/core"
+	pbTests "github.com/pocketbase/pocketbase/tests"
+	"github.com/stretchr/testify/assert"
+)
+
+// marshal to json and return an io.Reader (for use in ApiScenario.Body)
+func jsonReader(v any) io.Reader {
+	data, err := json.Marshal(v)
+	if err != nil {
+		panic(err)
+	}
+	return bytes.NewReader(data)
+}
+
+func TestUserAlertsApi(t *testing.T) {
+	hub, _ := beszelTests.NewTestHub(t.TempDir())
+	defer hub.Cleanup()
+
+	hub.StartHub()
+
+	user1, _ := beszelTests.CreateUser(hub, "alertstest@example.com", "password")
+	user1Token, _ := user1.NewAuthToken()
+
+	user2, _ := beszelTests.CreateUser(hub, "alertstest2@example.com", "password")
+	user2Token, _ := user2.NewAuthToken()
+
+	system1, _ := beszelTests.CreateRecord(hub, "systems", map[string]any{
+		"name":  "system1",
+		"users": []string{user1.Id},
+		"host":  "127.0.0.1",
+	})
+
+	system2, _ := beszelTests.CreateRecord(hub, "systems", map[string]any{
+		"name":  "system2",
+		"users": []string{user1.Id, user2.Id},
+		"host":  "127.0.0.2",
+	})
+
+	userRecords, _ := hub.CountRecords("users")
+	assert.EqualValues(t, 2, userRecords, "all users should be created")
+
+	systemRecords, _ := hub.CountRecords("systems")
+	assert.EqualValues(t, 2, systemRecords, "all systems should be created")
+
+	testAppFactory := func(t testing.TB) *pbTests.TestApp {
+		return hub.TestApp
+	}
+
+	scenarios := []beszelTests.ApiScenario{
+		// {
+		// 	Name:            "GET not implemented - returns index",
+		// 	Method:          http.MethodGet,
+		// 	URL:             "/api/beszel/user-alerts",
+		// 	ExpectedStatus:  200,
+		// 	ExpectedContent: []string{"<html ", "globalThis.BESZEL"},
+		// 	TestAppFactory:  testAppFactory,
+		// },
+		{
+			Name:            "POST no auth",
+			Method:          http.MethodPost,
+			URL:             "/api/beszel/user-alerts",
+			ExpectedStatus:  401,
+			ExpectedContent: []string{"requires valid"},
+			TestAppFactory:  testAppFactory,
+		},
+		{
+			Name:   "POST no body",
+			Method: http.MethodPost,
+			URL:    "/api/beszel/user-alerts",
+			Headers: map[string]string{
+				"Authorization": user1Token,
+			},
+			ExpectedStatus:  400,
+			ExpectedContent: []string{"Bad data"},
+			TestAppFactory:  testAppFactory,
+		},
+		{
+			Name:   "POST bad data",
+			Method: http.MethodPost,
+			URL:    "/api/beszel/user-alerts",
+			Headers: map[string]string{
+				"Authorization": user1Token,
+			},
+			ExpectedStatus:  400,
+			ExpectedContent: []string{"Bad data"},
+			TestAppFactory:  testAppFactory,
+			Body: jsonReader(map[string]any{
+				"invalidField": "this should cause validation error",
+				"threshold":    "not a number",
+			}),
+		},
+		{
+			Name:   "POST malformed JSON",
+			Method: http.MethodPost,
+			URL:    "/api/beszel/user-alerts",
+			Headers: map[string]string{
+				"Authorization": user1Token,
+			},
+			ExpectedStatus:  400,
+			ExpectedContent: []string{"Bad data"},
+			TestAppFactory:  testAppFactory,
+			Body:            strings.NewReader(`{"alertType": "cpu", "threshold": 80, "enabled": true,}`),
+		},
+		{
+			Name:   "POST valid alert data multiple systems",
+			Method: http.MethodPost,
+			URL:    "/api/beszel/user-alerts",
+			Headers: map[string]string{
+				"Authorization": user1Token,
+			},
+			ExpectedStatus:  200,
+			ExpectedContent: []string{"\"success\":true"},
+			TestAppFactory:  testAppFactory,
+			Body: jsonReader(map[string]any{
+				"name":      "CPU",
+				"value":     69,
+				"min":       9,
+				"systems":   []string{system1.Id, system2.Id},
+				"overwrite": false,
+			}),
+			AfterTestFunc: func(t testing.TB, app *pbTests.TestApp, res *http.Response) {
+				// check total alerts
+				alerts, _ := app.CountRecords("alerts")
+				assert.EqualValues(t, 2, alerts, "should have 2 alerts")
+				// check alert has correct values
+				matchingAlerts, _ := app.CountRecords("alerts", dbx.HashExp{"name": "CPU", "user": user1.Id, "system": system1.Id, "value": 69, "min": 9})
+				assert.EqualValues(t, 1, matchingAlerts, "should have 1 alert")
+			},
+		},
+		{
+			Name:   "POST valid alert data single system",
+			Method: http.MethodPost,
+			URL:    "/api/beszel/user-alerts",
+			Headers: map[string]string{
+				"Authorization": user1Token,
+			},
+			ExpectedStatus:  200,
+			ExpectedContent: []string{"\"success\":true"},
+			TestAppFactory:  testAppFactory,
+			Body: jsonReader(map[string]any{
+				"name":    "Memory",
+				"systems": []string{system1.Id},
+				"value":   90,
+				"min":     10,
+			}),
+			AfterTestFunc: func(t testing.TB, app *pbTests.TestApp, res *http.Response) {
+				user1Alerts, _ := app.CountRecords("alerts", dbx.HashExp{"user": user1.Id})
+				assert.EqualValues(t, 3, user1Alerts, "should have 3 alerts")
+			},
+		},
+		{
+			Name:   "Overwrite: false, should not overwrite existing alert",
+			Method: http.MethodPost,
+			URL:    "/api/beszel/user-alerts",
+			Headers: map[string]string{
+				"Authorization": user1Token,
+			},
+			ExpectedStatus:  200,
+			ExpectedContent: []string{"\"success\":true"},
+			TestAppFactory:  testAppFactory,
+			Body: jsonReader(map[string]any{
+				"name":      "CPU",
+				"value":     45,
+				"min":       5,
+				"systems":   []string{system1.Id},
+				"overwrite": false,
+			}),
+			BeforeTestFunc: func(t testing.TB, app *pbTests.TestApp, e *core.ServeEvent) {
+				beszelTests.ClearCollection(t, app, "alerts")
+				beszelTests.CreateRecord(app, "alerts", map[string]any{
+					"name":   "CPU",
+					"system": system1.Id,
+					"user":   user1.Id,
+					"value":  80,
+					"min":    10,
+				})
+			},
+			AfterTestFunc: func(t testing.TB, app *pbTests.TestApp, res *http.Response) {
+				alerts, _ := app.CountRecords("alerts")
+				assert.EqualValues(t, 1, alerts, "should have 1 alert")
+				alert, _ := app.FindFirstRecordByFilter("alerts", "name = 'CPU' && user = {:user}", dbx.Params{"user": user1.Id})
+				assert.EqualValues(t, 80, alert.Get("value"), "should have 80 as value")
+			},
+		},
+		{
+			Name:   "Overwrite: true, should overwrite existing alert",
+			Method: http.MethodPost,
+			URL:    "/api/beszel/user-alerts",
+			Headers: map[string]string{
+				"Authorization": user2Token,
+			},
+			ExpectedStatus:  200,
+			ExpectedContent: []string{"\"success\":true"},
+			TestAppFactory:  testAppFactory,
+			Body: jsonReader(map[string]any{
+				"name":      "CPU",
+				"value":     45,
+				"min":       5,
+				"systems":   []string{system2.Id},
+				"overwrite": true,
+			}),
+			BeforeTestFunc: func(t testing.TB, app *pbTests.TestApp, e *core.ServeEvent) {
+				beszelTests.ClearCollection(t, app, "alerts")
+				beszelTests.CreateRecord(app, "alerts", map[string]any{
+					"name":   "CPU",
+					"system": system2.Id,
+					"user":   user2.Id,
+					"value":  80,
+					"min":    10,
+				})
+			},
+			AfterTestFunc: func(t testing.TB, app *pbTests.TestApp, res *http.Response) {
+				alerts, _ := app.CountRecords("alerts")
+				assert.EqualValues(t, 1, alerts, "should have 1 alert")
+				alert, _ := app.FindFirstRecordByFilter("alerts", "name = 'CPU' && user = {:user}", dbx.Params{"user": user2.Id})
+				assert.EqualValues(t, 45, alert.Get("value"), "should have 45 as value")
+			},
+		},
+		{
+			Name:            "DELETE no auth",
+			Method:          http.MethodDelete,
+			URL:             "/api/beszel/user-alerts",
+			ExpectedStatus:  401,
+			ExpectedContent: []string{"requires valid"},
+			TestAppFactory:  testAppFactory,
+			Body: jsonReader(map[string]any{
+				"name":    "CPU",
+				"systems": []string{system1.Id},
+			}),
+			BeforeTestFunc: func(t testing.TB, app *pbTests.TestApp, e *core.ServeEvent) {
+				beszelTests.ClearCollection(t, app, "alerts")
+				beszelTests.CreateRecord(app, "alerts", map[string]any{
+					"name":   "CPU",
+					"system": system1.Id,
+					"user":   user1.Id,
+					"value":  80,
+					"min":    10,
+				})
+			},
+			AfterTestFunc: func(t testing.TB, app *pbTests.TestApp, res *http.Response) {
+				alerts, _ := app.CountRecords("alerts")
+				assert.EqualValues(t, 1, alerts, "should have 1 alert")
+			},
+		},
+		{
+			Name:   "DELETE alert",
+			Method: http.MethodDelete,
+			URL:    "/api/beszel/user-alerts",
+			Headers: map[string]string{
+				"Authorization": user1Token,
+			},
+			ExpectedStatus:  200,
+			ExpectedContent: []string{"\"count\":1", "\"success\":true"},
+			TestAppFactory:  testAppFactory,
+			Body: jsonReader(map[string]any{
+				"name":    "CPU",
+				"systems": []string{system1.Id},
+			}),
+			BeforeTestFunc: func(t testing.TB, app *pbTests.TestApp, e *core.ServeEvent) {
+				beszelTests.ClearCollection(t, app, "alerts")
+				beszelTests.CreateRecord(app, "alerts", map[string]any{
+					"name":   "CPU",
+					"system": system1.Id,
+					"user":   user1.Id,
+					"value":  80,
+					"min":    10,
+				})
+			},
+			AfterTestFunc: func(t testing.TB, app *pbTests.TestApp, res *http.Response) {
+				alerts, _ := app.CountRecords("alerts")
+				assert.Zero(t, alerts, "should have 0 alerts")
+			},
+		},
+		{
+			Name:   "DELETE alert multiple systems",
+			Method: http.MethodDelete,
+			URL:    "/api/beszel/user-alerts",
+			Headers: map[string]string{
+				"Authorization": user1Token,
+			},
+			ExpectedStatus:  200,
+			ExpectedContent: []string{"\"count\":2", "\"success\":true"},
+			TestAppFactory:  testAppFactory,
+			Body: jsonReader(map[string]any{
+				"name":    "Memory",
+				"systems": []string{system1.Id, system2.Id},
+			}),
+			BeforeTestFunc: func(t testing.TB, app *pbTests.TestApp, e *core.ServeEvent) {
+				beszelTests.ClearCollection(t, app, "alerts")
+				for _, systemId := range []string{system1.Id, system2.Id} {
+					_, err := beszelTests.CreateRecord(app, "alerts", map[string]any{
+						"name":   "Memory",
+						"system": systemId,
+						"user":   user1.Id,
+						"value":  90,
+						"min":    10,
+					})
+					assert.NoError(t, err, "should create alert")
+				}
+				alerts, _ := app.CountRecords("alerts")
+				assert.EqualValues(t, 2, alerts, "should have 2 alerts")
+			},
+			AfterTestFunc: func(t testing.TB, app *pbTests.TestApp, res *http.Response) {
+				alerts, _ := app.CountRecords("alerts")
+				assert.Zero(t, alerts, "should have 0 alerts")
+			},
+		},
+		{
+			Name:   "User 2 should not be able to delete alert of user 1",
+			Method: http.MethodDelete,
+			URL:    "/api/beszel/user-alerts",
+			Headers: map[string]string{
+				"Authorization": user2Token,
+			},
+			ExpectedStatus:  200,
+			ExpectedContent: []string{"\"count\":1", "\"success\":true"},
+			TestAppFactory:  testAppFactory,
+			Body: jsonReader(map[string]any{
+				"name":    "CPU",
+				"systems": []string{system2.Id},
+			}),
+			BeforeTestFunc: func(t testing.TB, app *pbTests.TestApp, e *core.ServeEvent) {
+				beszelTests.ClearCollection(t, app, "alerts")
+				for _, user := range []string{user1.Id, user2.Id} {
+					beszelTests.CreateRecord(app, "alerts", map[string]any{
+						"name":   "CPU",
+						"system": system2.Id,
+						"user":   user,
+						"value":  80,
+						"min":    10,
+					})
+				}
+				alerts, _ := app.CountRecords("alerts")
+				assert.EqualValues(t, 2, alerts, "should have 2 alerts")
+				user1AlertCount, _ := app.CountRecords("alerts", dbx.HashExp{"user": user1.Id})
+				assert.EqualValues(t, 1, user1AlertCount, "should have 1 alert")
+				user2AlertCount, _ := app.CountRecords("alerts", dbx.HashExp{"user": user2.Id})
+				assert.EqualValues(t, 1, user2AlertCount, "should have 1 alert")
+			},
+			AfterTestFunc: func(t testing.TB, app *pbTests.TestApp, res *http.Response) {
+				user1AlertCount, _ := app.CountRecords("alerts", dbx.HashExp{"user": user1.Id})
+				assert.EqualValues(t, 1, user1AlertCount, "should have 1 alert")
+				user2AlertCount, _ := app.CountRecords("alerts", dbx.HashExp{"user": user2.Id})
+				assert.Zero(t, user2AlertCount, "should have 0 alerts")
+			},
+		},
+	}
+
+	for _, scenario := range scenarios {
+		scenario.Test(t)
+	}
+}
+
+func getHubWithUser(t *testing.T) (*beszelTests.TestHub, *core.Record) {
+	hub, err := beszelTests.NewTestHub(t.TempDir())
+	assert.NoError(t, err)
+	hub.StartHub()
+
+	// Manually initialize the system manager to bind event hooks
+	err = hub.GetSystemManager().Initialize()
+	assert.NoError(t, err)
+
+	// Create a test user
+	user, err := beszelTests.CreateUser(hub, "test@example.com", "password")
+	assert.NoError(t, err)
+
+	// Create user settings for the test user (required for alert notifications)
+	userSettingsData := map[string]any{
+		"user":     user.Id,
+		"settings": `{"emails":[test@example.com],"webhooks":[]}`,
+	}
+	_, err = beszelTests.CreateRecord(hub, "user_settings", userSettingsData)
+	assert.NoError(t, err)
+
+	return hub, user
+}
+
+func TestStatusAlerts(t *testing.T) {
+	synctest.Test(t, func(t *testing.T) {
+		hub, user := getHubWithUser(t)
+		defer hub.Cleanup()
+
+		systems, err := beszelTests.CreateSystems(hub, 4, user.Id, "paused")
+		assert.NoError(t, err)
+
+		var alerts []*core.Record
+		for i, system := range systems {
+			alert, err := beszelTests.CreateRecord(hub, "alerts", map[string]any{
+				"name":   "Status",
+				"system": system.Id,
+				"user":   user.Id,
+				"min":    i + 1,
+			})
+			assert.NoError(t, err)
+			alerts = append(alerts, alert)
+		}
+
+		time.Sleep(10 * time.Millisecond)
+
+		for _, alert := range alerts {
+			assert.False(t, alert.GetBool("triggered"), "Alert should not be triggered immediately")
+		}
+		if hub.TestMailer.TotalSend() != 0 {
+			assert.Zero(t, hub.TestMailer.TotalSend(), "Expected 0 messages, got %d", hub.TestMailer.TotalSend())
+		}
+		for _, system := range systems {
+			assert.EqualValues(t, "paused", system.GetString("status"), "System should be paused")
+		}
+		for _, system := range systems {
+			system.Set("status", "up")
+			err = hub.SaveNoValidate(system)
+			assert.NoError(t, err)
+		}
+		time.Sleep(time.Second)
+		assert.EqualValues(t, 0, hub.GetPendingAlertsCount(), "should have 0 alerts in the pendingAlerts map")
+		for _, system := range systems {
+			system.Set("status", "down")
+			err = hub.SaveNoValidate(system)
+			assert.NoError(t, err)
+		}
+		// after 30 seconds, should have 4 alerts in the pendingAlerts map, no triggered alerts
+		time.Sleep(time.Second * 30)
+		assert.EqualValues(t, 4, hub.GetPendingAlertsCount(), "should have 4 alerts in the pendingAlerts map")
+		triggeredCount, err := hub.CountRecords("alerts", dbx.HashExp{"triggered": true})
+		assert.NoError(t, err)
+		assert.EqualValues(t, 0, triggeredCount, "should have 0 alert triggered")
+		assert.EqualValues(t, 0, hub.TestMailer.TotalSend(), "should have 0 messages sent")
+		// after 1:30 seconds, should have 1 triggered alert and 3 pending alerts
+		time.Sleep(time.Second * 60)
+		assert.EqualValues(t, 3, hub.GetPendingAlertsCount(), "should have 3 alerts in the pendingAlerts map")
+		triggeredCount, err = hub.CountRecords("alerts", dbx.HashExp{"triggered": true})
+		assert.NoError(t, err)
+		assert.EqualValues(t, 1, triggeredCount, "should have 1 alert triggered")
+		assert.EqualValues(t, 1, hub.TestMailer.TotalSend(), "should have 1 messages sent")
+		// after 2:30 seconds, should have 2 triggered alerts and 2 pending alerts
+		time.Sleep(time.Second * 60)
+		assert.EqualValues(t, 2, hub.GetPendingAlertsCount(), "should have 2 alerts in the pendingAlerts map")
+		triggeredCount, err = hub.CountRecords("alerts", dbx.HashExp{"triggered": true})
+		assert.NoError(t, err)
+		assert.EqualValues(t, 2, triggeredCount, "should have 2 alert triggered")
+		assert.EqualValues(t, 2, hub.TestMailer.TotalSend(), "should have 2 messages sent")
+		// now we will bring the remaning systems back up
+		for _, system := range systems {
+			system.Set("status", "up")
+			err = hub.SaveNoValidate(system)
+			assert.NoError(t, err)
+		}
+		time.Sleep(time.Second)
+		// should have 0 alerts in the pendingAlerts map and 0 alerts triggered
+		assert.EqualValues(t, 0, hub.GetPendingAlertsCount(), "should have 0 alerts in the pendingAlerts map")
+		triggeredCount, err = hub.CountRecords("alerts", dbx.HashExp{"triggered": true})
+		assert.NoError(t, err)
+		assert.Zero(t, triggeredCount, "should have 0 alert triggered")
+		// 4 messages sent, 2 down alerts and 2 up alerts for first 2 systems
+		assert.EqualValues(t, 4, hub.TestMailer.TotalSend(), "should have 4 messages sent")
+	})
+}
+
+func TestAlertsHistory(t *testing.T) {
+	synctest.Test(t, func(t *testing.T) {
+		hub, user := getHubWithUser(t)
+		defer hub.Cleanup()
+
+		// Create systems and alerts
+		systems, err := beszelTests.CreateSystems(hub, 1, user.Id, "up")
+		assert.NoError(t, err)
+		system := systems[0]
+
+		alert, err := beszelTests.CreateRecord(hub, "alerts", map[string]any{
+			"name":   "Status",
+			"system": system.Id,
+			"user":   user.Id,
+			"min":    1,
+		})
+		assert.NoError(t, err)
+
+		// Initially, no alert history records should exist
+		initialHistoryCount, err := hub.CountRecords("alerts_history", nil)
+		assert.NoError(t, err)
+		assert.Zero(t, initialHistoryCount, "Should have 0 alert history records initially")
+
+		// Set system to up initially
+		system.Set("status", "up")
+		err = hub.SaveNoValidate(system)
+		assert.NoError(t, err)
+		time.Sleep(10 * time.Millisecond)
+
+		// Set system to down to trigger alert
+		system.Set("status", "down")
+		err = hub.SaveNoValidate(system)
+		assert.NoError(t, err)
+
+		// Wait for alert to trigger (after the downtime delay)
+		// With 1 minute delay, we need to wait at least 1 minute + some buffer
+		time.Sleep(time.Second * 75)
+
+		// Check that alert is triggered
+		triggeredCount, err := hub.CountRecords("alerts", dbx.HashExp{"triggered": true, "id": alert.Id})
+		assert.NoError(t, err)
+		assert.EqualValues(t, 1, triggeredCount, "Alert should be triggered")
+
+		// Check that alert history record was created
+		historyCount, err := hub.CountRecords("alerts_history", dbx.HashExp{"alert_id": alert.Id})
+		assert.NoError(t, err)
+		assert.EqualValues(t, 1, historyCount, "Should have 1 alert history record for triggered alert")
+
+		// Get the alert history record and verify it's not resolved immediately
+		historyRecord, err := hub.FindFirstRecordByFilter("alerts_history", "alert_id={:alert_id}", dbx.Params{"alert_id": alert.Id})
+		assert.NoError(t, err)
+		assert.NotNil(t, historyRecord, "Alert history record should exist")
+		assert.Equal(t, alert.Id, historyRecord.GetString("alert_id"), "Alert history should reference correct alert")
+		assert.Equal(t, system.Id, historyRecord.GetString("system"), "Alert history should reference correct system")
+		assert.Equal(t, "Status", historyRecord.GetString("name"), "Alert history should have correct name")
+
+		// The alert history might be resolved immediately in some cases, so let's check the alert's triggered status
+		alertRecord, err := hub.FindFirstRecordByFilter("alerts", "id={:id}", dbx.Params{"id": alert.Id})
+		assert.NoError(t, err)
+		assert.True(t, alertRecord.GetBool("triggered"), "Alert should still be triggered when checking history")
+
+		// Now resolve the alert by setting system back to up
+		system.Set("status", "up")
+		err = hub.SaveNoValidate(system)
+		assert.NoError(t, err)
+		time.Sleep(200 * time.Millisecond)
+
+		// Check that alert is no longer triggered
+		triggeredCount, err = hub.CountRecords("alerts", dbx.HashExp{"triggered": true, "id": alert.Id})
+		assert.NoError(t, err)
+		assert.Zero(t, triggeredCount, "Alert should not be triggered after system is back up")
+
+		// Check that alert history record is now resolved
+		historyRecord, err = hub.FindFirstRecordByFilter("alerts_history", "alert_id={:alert_id}", dbx.Params{"alert_id": alert.Id})
+		assert.NoError(t, err)
+		assert.NotNil(t, historyRecord, "Alert history record should still exist")
+		assert.NotNil(t, historyRecord.Get("resolved"), "Alert history should be resolved")
+
+		// Test deleting a triggered alert resolves its history
+		// Create another system and alert
+		systems2, err := beszelTests.CreateSystems(hub, 1, user.Id, "up")
+		assert.NoError(t, err)
+		system2 := systems2[0]
+		system2.Set("name", "test-system-2") // Rename for clarity
+		err = hub.SaveNoValidate(system2)
+		assert.NoError(t, err)
+
+		alert2, err := beszelTests.CreateRecord(hub, "alerts", map[string]any{
+			"name":   "Status",
+			"system": system2.Id,
+			"user":   user.Id,
+			"min":    1,
+		})
+		assert.NoError(t, err)
+
+		// Set system2 to down to trigger alert
+		system2.Set("status", "down")
+		err = hub.SaveNoValidate(system2)
+		assert.NoError(t, err)
+
+		// Wait for alert to trigger
+		time.Sleep(time.Second * 75)
+
+		// Verify alert is triggered and history record exists
+		triggeredCount, err = hub.CountRecords("alerts", dbx.HashExp{"triggered": true, "id": alert2.Id})
+		assert.NoError(t, err)
+		assert.EqualValues(t, 1, triggeredCount, "Second alert should be triggered")
+
+		historyCount, err = hub.CountRecords("alerts_history", dbx.HashExp{"alert_id": alert2.Id})
+		assert.NoError(t, err)
+		assert.EqualValues(t, 1, historyCount, "Should have 1 alert history record for second alert")
+
+		// Delete the triggered alert
+		err = hub.Delete(alert2)
+		assert.NoError(t, err)
+
+		// Check that alert history record is resolved after deletion
+		historyRecord2, err := hub.FindFirstRecordByFilter("alerts_history", "alert_id={:alert_id}", dbx.Params{"alert_id": alert2.Id})
+		assert.NoError(t, err)
+		assert.NotNil(t, historyRecord2, "Alert history record should still exist after alert deletion")
+		assert.NotNil(t, historyRecord2.Get("resolved"), "Alert history should be resolved after alert deletion")
+
+		// Verify total history count is correct (2 records total)
+		totalHistoryCount, err := hub.CountRecords("alerts_history", nil)
+		assert.NoError(t, err)
+		assert.EqualValues(t, 2, totalHistoryCount, "Should have 2 total alert history records")
+	})
+}

internal/alerts/alerts_test_helpers.go

@@ -0,0 +1,55 @@
+package alerts
+
+import (
+	"sync"
+	"time"
+
+	"github.com/pocketbase/pocketbase/core"
+)
+
+func (am *AlertManager) GetAlertManager() *AlertManager {
+	return am
+}
+
+func (am *AlertManager) GetPendingAlerts() *sync.Map {
+	return &am.pendingAlerts
+}
+
+func (am *AlertManager) GetPendingAlertsCount() int {
+	count := 0
+	am.pendingAlerts.Range(func(key, value any) bool {
+		count++
+		return true
+	})
+	return count
+}
+
+// ProcessPendingAlerts manually processes all expired alerts (for testing)
+func (am *AlertManager) ProcessPendingAlerts() ([]*core.Record, error) {
+	now := time.Now()
+	var lastErr error
+	var processedAlerts []*core.Record
+	am.pendingAlerts.Range(func(key, value any) bool {
+		info := value.(*alertInfo)
+		if now.After(info.expireTime) {
+			// Downtime delay has passed, process alert
+			if err := am.sendStatusAlert("down", info.systemName, info.alertRecord); err != nil {
+				lastErr = err
+			}
+			processedAlerts = append(processedAlerts, info.alertRecord)
+			am.pendingAlerts.Delete(key)
+		}
+		return true
+	})
+	return processedAlerts, lastErr
+}
+
+// ForceExpirePendingAlerts sets all pending alerts to expire immediately (for testing)
+func (am *AlertManager) ForceExpirePendingAlerts() {
+	now := time.Now()
+	am.pendingAlerts.Range(func(key, value any) bool {
+		info := value.(*alertInfo)
+		info.expireTime = now.Add(-time.Second) // Set to 1 second ago
+		return true
+	})
+}

internal/cmd/agent/agent.go

@@ -0,0 +1,157 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/henrygd/beszel"
+	"github.com/henrygd/beszel/agent"
+	"github.com/henrygd/beszel/agent/health"
+	"github.com/spf13/pflag"
+	"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.
+	// TODO: add hubURL and token
+	// hubURL string // hubURL is the URL of the hub to use.
+	// token  string // token is the token to use for authentication.
+}
+
+// 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 {
+	subcommand := ""
+	if len(os.Args) > 1 {
+		subcommand = os.Args[1]
+	}
+
+	// Subcommands that don't require any pflag parsing
+	switch subcommand {
+	case "-v", "version":
+		fmt.Println(beszel.AppName+"-agent", beszel.Version)
+		return true
+	case "health":
+		err := health.Check()
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Print("ok")
+		return true
+	}
+
+	// pflag.CommandLine.ParseErrorsWhitelist.UnknownFlags = true
+	pflag.StringVarP(&opts.key, "key", "k", "", "Public key(s) for SSH authentication")
+	pflag.StringVarP(&opts.listen, "listen", "l", "", "Address or port to listen on")
+	// pflag.StringVarP(&opts.hubURL, "hub-url", "u", "", "URL of the hub to use")
+	// pflag.StringVarP(&opts.token, "token", "t", "", "Token to use for authentication")
+	chinaMirrors := pflag.BoolP("china-mirrors", "c", false, "Use mirror for update (gh.beszel.dev) instead of GitHub")
+	help := pflag.BoolP("help", "h", false, "Show this help message")
+
+	// Convert old single-dash long flags to double-dash for backward compatibility
+	flagsToConvert := []string{"key", "listen"}
+	for i, arg := range os.Args {
+		for _, flag := range flagsToConvert {
+			singleDash := "-" + flag
+			doubleDash := "--" + flag
+			if arg == singleDash {
+				os.Args[i] = doubleDash
+				break
+			} else if strings.HasPrefix(arg, singleDash+"=") {
+				os.Args[i] = doubleDash + arg[len(singleDash):]
+				break
+			}
+		}
+	}
+
+	pflag.Usage = func() {
+		builder := strings.Builder{}
+		builder.WriteString("Usage: ")
+		builder.WriteString(os.Args[0])
+		builder.WriteString(" [command] [flags]\n")
+		builder.WriteString("\nCommands:\n")
+		builder.WriteString("  health    Check if the agent is running\n")
+		// builder.WriteString("  help      Display this help message\n")
+		builder.WriteString("  update    Update to the latest version\n")
+		builder.WriteString("\nFlags:\n")
+		fmt.Print(builder.String())
+		pflag.PrintDefaults()
+	}
+
+	// Parse all arguments with pflag
+	pflag.Parse()
+
+	// Must run after pflag.Parse()
+	switch {
+	case *help || subcommand == "help":
+		pflag.Usage()
+		return true
+	case subcommand == "update":
+		agent.Update(*chinaMirrors)
+		return true
+	}
+
+	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)
+
+	a, err := agent.NewAgent()
+	if err != nil {
+		log.Fatal("Failed to create agent: ", err)
+	}
+
+	if err := a.Start(serverConfig); err != nil {
+		log.Fatal("Failed to start server: ", err)
+	}
+}

internal/cmd/agent/agent_test.go

@@ -1,13 +1,14 @@
 package main
 
 import (
-	"beszel/internal/agent"
 	"crypto/ed25519"
-	"flag"
 	"os"
 	"path/filepath"
 	"testing"
 
+	"github.com/henrygd/beszel/agent"
+
+	"github.com/spf13/pflag"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/crypto/ssh"
@@ -245,7 +246,7 @@ func TestParseFlags(t *testing.T) {
 	oldArgs := os.Args
 	defer func() {
 		os.Args = oldArgs
-		flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
+		pflag.CommandLine = pflag.NewFlagSet(os.Args[0], pflag.ExitOnError)
 	}()
 
 	tests := []struct {
@@ -269,6 +270,22 @@ func TestParseFlags(t *testing.T) {
 				listen: "",
 			},
 		},
+		{
+			name: "key flag double dash",
+			args: []string{"cmd", "--key", "testkey"},
+			expected: cmdOptions{
+				key:    "testkey",
+				listen: "",
+			},
+		},
+		{
+			name: "key flag short",
+			args: []string{"cmd", "-k", "testkey"},
+			expected: cmdOptions{
+				key:    "testkey",
+				listen: "",
+			},
+		},
 		{
 			name: "addr flag only",
 			args: []string{"cmd", "-listen", ":8080"},
@@ -277,6 +294,22 @@ func TestParseFlags(t *testing.T) {
 				listen: ":8080",
 			},
 		},
+		{
+			name: "addr flag double dash",
+			args: []string{"cmd", "--listen", ":8080"},
+			expected: cmdOptions{
+				key:    "",
+				listen: ":8080",
+			},
+		},
+		{
+			name: "addr flag short",
+			args: []string{"cmd", "-l", ":8080"},
+			expected: cmdOptions{
+				key:    "",
+				listen: ":8080",
+			},
+		},
 		{
 			name: "both flags",
 			args: []string{"cmd", "-key", "testkey", "-listen", ":8080"},
@@ -290,12 +323,12 @@ func TestParseFlags(t *testing.T) {
 	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)
+			pflag.CommandLine = pflag.NewFlagSet(tt.args[0], pflag.ExitOnError)
 			os.Args = tt.args
 
 			var opts cmdOptions
 			opts.parse()
-			flag.Parse()
+			pflag.Parse()
 
 			assert.Equal(t, tt.expected, opts)
 		})

internal/cmd/hub/hub.go

@@ -1,15 +1,16 @@
 package main
 
 import (
-	"beszel"
-	"beszel/internal/hub"
-	_ "beszel/migrations"
 	"fmt"
 	"log"
 	"net/http"
 	"os"
 	"time"
 
+	"github.com/henrygd/beszel"
+	"github.com/henrygd/beszel/internal/hub"
+	_ "github.com/henrygd/beszel/internal/migrations"
+
 	"github.com/pocketbase/pocketbase"
 	"github.com/pocketbase/pocketbase/plugins/migratecmd"
 	"github.com/spf13/cobra"
@@ -45,11 +46,13 @@ func getBaseApp() *pocketbase.PocketBase {
 	baseApp.RootCmd.Use = beszel.AppName
 	baseApp.RootCmd.Short = ""
 	// add update command
-	baseApp.RootCmd.AddCommand(&cobra.Command{
+	updateCmd := &cobra.Command{
 		Use:   "update",
 		Short: "Update " + beszel.AppName + " to the latest version",
 		Run:   hub.Update,
-	})
+	}
+	updateCmd.Flags().Bool("china-mirrors", false, "Use mirror (gh.beszel.dev) instead of GitHub")
+	baseApp.RootCmd.AddCommand(updateCmd)
 	// add health command
 	baseApp.RootCmd.AddCommand(newHealthCmd())
 

internal/common/common-ssh.go

@@ -0,0 +1,10 @@
+package common
+
+var (
+	// Allowed ssh key exchanges
+	DefaultKeyExchanges = []string{"curve25519-sha256"}
+	// Allowed ssh macs
+	DefaultMACs = []string{"hmac-sha2-256-etm@openssh.com"}
+	// Allowed ssh ciphers
+	DefaultCiphers = []string{"chacha20-poly1305@openssh.com"}
+)

internal/common/common-ws.go

@@ -0,0 +1,32 @@
+package common
+
+type WebSocketAction = uint8
+
+// Not implemented yet
+// type AgentError = uint8
+
+const (
+	// Request system data from agent
+	GetData WebSocketAction = iota
+	// Check the fingerprint of the agent
+	CheckFingerprint
+)
+
+// HubRequest defines the structure for requests sent from hub to agent.
+type HubRequest[T any] struct {
+	Action WebSocketAction `cbor:"0,keyasint"`
+	Data   T               `cbor:"1,keyasint,omitempty,omitzero"`
+	// Error  AgentError      `cbor:"error,omitempty,omitzero"`
+}
+
+type FingerprintRequest struct {
+	Signature   []byte `cbor:"0,keyasint"`
+	NeedSysInfo bool   `cbor:"1,keyasint"` // For universal token system creation
+}
+
+type FingerprintResponse struct {
+	Fingerprint string `cbor:"0,keyasint"`
+	// Optional system info for universal token system creation
+	Hostname string `cbor:"1,keyasint,omitempty,omitzero"`
+	Port     string `cbor:"2,keyasint,omitempty,omitzero"`
+}

internal/dockerfile_agent

@@ -0,0 +1,26 @@
+FROM --platform=$BUILDPLATFORM golang:alpine AS builder
+
+WORKDIR /app
+
+COPY ../go.mod ../go.sum ./
+RUN go mod download
+
+# Copy source files
+COPY . ./
+
+# Build
+ARG TARGETOS TARGETARCH
+RUN CGO_ENABLED=0 GOGC=75 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /agent ./internal/cmd/agent
+
+RUN rm -rf /tmp/*
+
+# --------------------------
+# Final image: default scratch-based agent
+# --------------------------
+FROM scratch
+COPY --from=builder /agent /agent
+
+# this is so we don't need to create the /tmp directory in the scratch container
+COPY --from=builder /tmp /tmp
+
+ENTRYPOINT ["/agent"]

internal/dockerfile_agent_nvidia

@@ -12,9 +12,10 @@ COPY internal ./internal
 ARG TARGETOS TARGETARCH
 RUN CGO_ENABLED=0 GOGC=75 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /agent ./cmd/agent
 
-# ? -------------------------
-FROM scratch
-
+# --------------------------
+# Final image: GPU-enabled agent with nvidia-smi
+# --------------------------
+FROM nvidia/cuda:12.2.2-base-ubuntu22.04
 COPY --from=builder /agent /agent
 
-ENTRYPOINT ["/agent"]
+ENTRYPOINT ["/agent"]

internal/dockerfile_hub

@@ -3,16 +3,11 @@ FROM --platform=$BUILDPLATFORM golang:alpine AS builder
 WORKDIR /app
 
 # Download Go modules
-COPY go.mod go.sum ./
+COPY ../go.mod ../go.sum ./
 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
+COPY . ./
 
 RUN apk add --no-cache \
     unzip \
@@ -22,7 +17,7 @@ RUN update-ca-certificates
 
 # Build
 ARG TARGETOS TARGETARCH
-RUN CGO_ENABLED=0 GOGC=75 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /beszel ./cmd/hub
+RUN CGO_ENABLED=0 GOGC=75 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /beszel ./internal/cmd/hub
 
 # ? -------------------------
 FROM scratch

internal/entities/container/container.go

@@ -34,10 +34,16 @@ type ApiStats struct {
 	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
+func (s *ApiStats) CalculateCpuPercentLinux(prevCpuContainer uint64, prevCpuSystem uint64) float64 {
+	cpuDelta := s.CPUStats.CPUUsage.TotalUsage - prevCpuContainer
+	systemDelta := s.CPUStats.SystemUsage - prevCpuSystem
+
+	// Avoid division by zero and handle first run case
+	if systemDelta == 0 || prevCpuContainer == 0 {
+		return 0.0
+	}
+
+	return float64(cpuDelta) / float64(systemDelta) * 100.0
 }
 
 // from: https://github.com/docker/cli/blob/master/cli/command/container/stats_helpers.go#L185
@@ -99,12 +105,14 @@ type prevNetStats struct {
 
 // 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:"-"`
+	Name        string  `json:"n" cbor:"0,keyasint"`
+	Cpu         float64 `json:"c" cbor:"1,keyasint"`
+	Mem         float64 `json:"m" cbor:"2,keyasint"`
+	NetworkSent float64 `json:"ns" cbor:"3,keyasint"`
+	NetworkRecv float64 `json:"nr" cbor:"4,keyasint"`
+	// PrevCpu     [2]uint64    `json:"-"`
+	CpuSystem    uint64       `json:"-"`
+	CpuContainer uint64       `json:"-"`
+	PrevNet      prevNetStats `json:"-"`
+	PrevReadTime time.Time    `json:"-"`
 }

internal/entities/system/system.go

@@ -0,0 +1,115 @@
+package system
+
+// TODO: this is confusing, make common package with common/types common/helpers etc
+
+import (
+	"time"
+
+	"github.com/henrygd/beszel/internal/entities/container"
+)
+
+type Stats struct {
+	Cpu            float64             `json:"cpu" cbor:"0,keyasint"`
+	MaxCpu         float64             `json:"cpum,omitempty" cbor:"1,keyasint,omitempty"`
+	Mem            float64             `json:"m" cbor:"2,keyasint"`
+	MemUsed        float64             `json:"mu" cbor:"3,keyasint"`
+	MemPct         float64             `json:"mp" cbor:"4,keyasint"`
+	MemBuffCache   float64             `json:"mb" cbor:"5,keyasint"`
+	MemZfsArc      float64             `json:"mz,omitempty" cbor:"6,keyasint,omitempty"` // ZFS ARC memory
+	Swap           float64             `json:"s,omitempty" cbor:"7,keyasint,omitempty"`
+	SwapUsed       float64             `json:"su,omitempty" cbor:"8,keyasint,omitempty"`
+	DiskTotal      float64             `json:"d" cbor:"9,keyasint"`
+	DiskUsed       float64             `json:"du" cbor:"10,keyasint"`
+	DiskPct        float64             `json:"dp" cbor:"11,keyasint"`
+	DiskReadPs     float64             `json:"dr" cbor:"12,keyasint"`
+	DiskWritePs    float64             `json:"dw" cbor:"13,keyasint"`
+	MaxDiskReadPs  float64             `json:"drm,omitempty" cbor:"14,keyasint,omitempty"`
+	MaxDiskWritePs float64             `json:"dwm,omitempty" cbor:"15,keyasint,omitempty"`
+	NetworkSent    float64             `json:"ns" cbor:"16,keyasint"`
+	NetworkRecv    float64             `json:"nr" cbor:"17,keyasint"`
+	MaxNetworkSent float64             `json:"nsm,omitempty" cbor:"18,keyasint,omitempty"`
+	MaxNetworkRecv float64             `json:"nrm,omitempty" cbor:"19,keyasint,omitempty"`
+	Temperatures   map[string]float64  `json:"t,omitempty" cbor:"20,keyasint,omitempty"`
+	ExtraFs        map[string]*FsStats `json:"efs,omitempty" cbor:"21,keyasint,omitempty"`
+	GPUData        map[string]GPUData  `json:"g,omitempty" cbor:"22,keyasint,omitempty"`
+	LoadAvg1       float64             `json:"l1,omitempty" cbor:"23,keyasint,omitempty"`
+	LoadAvg5       float64             `json:"l5,omitempty" cbor:"24,keyasint,omitempty"`
+	LoadAvg15      float64             `json:"l15,omitempty" cbor:"25,keyasint,omitempty"`
+	Bandwidth      [2]uint64           `json:"b,omitzero" cbor:"26,keyasint,omitzero"`  // [sent bytes, recv bytes]
+	MaxBandwidth   [2]uint64           `json:"bm,omitzero" cbor:"27,keyasint,omitzero"` // [sent bytes, recv bytes]
+	// TODO: remove other load fields in future release in favor of load avg array
+	LoadAvg [3]float64 `json:"la,omitempty" cbor:"28,keyasint"`
+	Battery [2]uint8   `json:"bat,omitzero" cbor:"29,keyasint,omitzero"` // [percent, charge state, current]
+	MaxMem  float64    `json:"mm,omitempty" cbor:"30,keyasint,omitempty"`
+}
+
+type GPUData struct {
+	Name        string  `json:"n" cbor:"0,keyasint"`
+	Temperature float64 `json:"-"`
+	MemoryUsed  float64 `json:"mu,omitempty" cbor:"1,keyasint,omitempty"`
+	MemoryTotal float64 `json:"mt,omitempty" cbor:"2,keyasint,omitempty"`
+	Usage       float64 `json:"u" cbor:"3,keyasint"`
+	Power       float64 `json:"p,omitempty" cbor:"4,keyasint,omitempty"`
+	Count       float64 `json:"-"`
+}
+
+type FsStats struct {
+	Time           time.Time `json:"-"`
+	Root           bool      `json:"-"`
+	Mountpoint     string    `json:"-"`
+	DiskTotal      float64   `json:"d" cbor:"0,keyasint"`
+	DiskUsed       float64   `json:"du" cbor:"1,keyasint"`
+	TotalRead      uint64    `json:"-"`
+	TotalWrite     uint64    `json:"-"`
+	DiskReadPs     float64   `json:"r" cbor:"2,keyasint"`
+	DiskWritePs    float64   `json:"w" cbor:"3,keyasint"`
+	MaxDiskReadPS  float64   `json:"rm,omitempty" cbor:"4,keyasint,omitempty"`
+	MaxDiskWritePS float64   `json:"wm,omitempty" cbor:"5,keyasint,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" cbor:"0,keyasint"`
+	KernelVersion  string  `json:"k,omitempty" cbor:"1,keyasint,omitempty"`
+	Cores          int     `json:"c" cbor:"2,keyasint"`
+	Threads        int     `json:"t,omitempty" cbor:"3,keyasint,omitempty"`
+	CpuModel       string  `json:"m" cbor:"4,keyasint"`
+	Uptime         uint64  `json:"u" cbor:"5,keyasint"`
+	Cpu            float64 `json:"cpu" cbor:"6,keyasint"`
+	MemPct         float64 `json:"mp" cbor:"7,keyasint"`
+	DiskPct        float64 `json:"dp" cbor:"8,keyasint"`
+	Bandwidth      float64 `json:"b" cbor:"9,keyasint"`
+	AgentVersion   string  `json:"v" cbor:"10,keyasint"`
+	Podman         bool    `json:"p,omitempty" cbor:"11,keyasint,omitempty"`
+	GpuPct         float64 `json:"g,omitempty" cbor:"12,keyasint,omitempty"`
+	DashboardTemp  float64 `json:"dt,omitempty" cbor:"13,keyasint,omitempty"`
+	Os             Os      `json:"os" cbor:"14,keyasint"`
+	LoadAvg1       float64 `json:"l1,omitempty" cbor:"15,keyasint,omitempty"`
+	LoadAvg5       float64 `json:"l5,omitempty" cbor:"16,keyasint,omitempty"`
+	LoadAvg15      float64 `json:"l15,omitempty" cbor:"17,keyasint,omitempty"`
+	BandwidthBytes uint64  `json:"bb" cbor:"18,keyasint"`
+	// TODO: remove load fields in future release in favor of load avg array
+	LoadAvg [3]float64 `json:"la,omitempty" cbor:"19,keyasint"`
+}
+
+// Final data structure to return to the hub
+type CombinedData struct {
+	Stats      Stats              `json:"stats" cbor:"0,keyasint"`
+	Info       Info               `json:"info" cbor:"1,keyasint"`
+	Containers []*container.Stats `json:"container" cbor:"2,keyasint"`
+}

internal/ghupdate/extract.go

@@ -0,0 +1,140 @@
+package ghupdate
+
+import (
+	"archive/tar"
+	"archive/zip"
+	"compress/gzip"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// extract extracts an archive file to the destination directory.
+// Supports .zip and .tar.gz files based on the file extension.
+func extract(srcPath, destDir string) error {
+	if strings.HasSuffix(srcPath, ".tar.gz") {
+		return extractTarGz(srcPath, destDir)
+	}
+	// Default to zip extraction
+	return extractZip(srcPath, destDir)
+}
+
+// extractTarGz extracts a tar.gz archive to the destination directory.
+func extractTarGz(srcPath, destDir string) error {
+	src, err := os.Open(srcPath)
+	if err != nil {
+		return err
+	}
+	defer src.Close()
+
+	gz, err := gzip.NewReader(src)
+	if err != nil {
+		return err
+	}
+	defer gz.Close()
+
+	tr := tar.NewReader(gz)
+
+	for {
+		header, err := tr.Next()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		if header.Typeflag == tar.TypeDir {
+			if err := os.MkdirAll(filepath.Join(destDir, header.Name), 0755); err != nil {
+				return err
+			}
+			continue
+		}
+
+		if err := os.MkdirAll(filepath.Dir(filepath.Join(destDir, header.Name)), 0755); err != nil {
+			return err
+		}
+
+		outFile, err := os.Create(filepath.Join(destDir, header.Name))
+		if err != nil {
+			return err
+		}
+
+		if _, err := io.Copy(outFile, tr); err != nil {
+			outFile.Close()
+			return err
+		}
+		outFile.Close()
+	}
+
+	return nil
+}
+
+// extractZip extracts the zip archive at "src" to "dest".
+//
+// Note that only dirs and regular files will be extracted.
+// Symbolic links, named pipes, sockets, or any other irregular files
+// are skipped because they come with too many edge cases and ambiguities.
+func extractZip(src, dest string) error {
+	zr, err := zip.OpenReader(src)
+	if err != nil {
+		return err
+	}
+	defer zr.Close()
+
+	// normalize dest path to check later for Zip Slip
+	dest = filepath.Clean(dest) + string(os.PathSeparator)
+
+	for _, f := range zr.File {
+		err := extractFile(f, dest)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// extractFile extracts the provided zipFile into "basePath/zipFileName" path,
+// creating all the necessary path directories.
+func extractFile(zipFile *zip.File, basePath string) error {
+	path := filepath.Join(basePath, zipFile.Name)
+
+	// check for Zip Slip
+	if !strings.HasPrefix(path, basePath) {
+		return fmt.Errorf("invalid file path: %s", path)
+	}
+
+	r, err := zipFile.Open()
+	if err != nil {
+		return err
+	}
+	defer r.Close()
+
+	// allow only dirs or regular files
+	if zipFile.FileInfo().IsDir() {
+		if err := os.MkdirAll(path, os.ModePerm); err != nil {
+			return err
+		}
+	} else if zipFile.FileInfo().Mode().IsRegular() {
+		// ensure that the file path directories are created
+		if err := os.MkdirAll(filepath.Dir(path), os.ModePerm); err != nil {
+			return err
+		}
+
+		f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, zipFile.Mode())
+		if err != nil {
+			return err
+		}
+		defer f.Close()
+
+		_, err = io.Copy(f, r)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

internal/ghupdate/ghupdate.go

@@ -0,0 +1,349 @@
+// Package ghupdate implements a new command to self update the current
+// executable with the latest GitHub release. This is based on PocketBase's
+// ghupdate package with modifications.
+package ghupdate
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+
+	"github.com/henrygd/beszel"
+
+	"github.com/blang/semver"
+)
+
+// Minimal color functions using ANSI escape codes
+const (
+	colorReset  = "\033[0m"
+	ColorYellow = "\033[33m"
+	ColorGreen  = "\033[32m"
+	colorCyan   = "\033[36m"
+	colorGray   = "\033[90m"
+)
+
+func ColorPrint(color, text string) {
+	fmt.Println(color + text + colorReset)
+}
+
+func ColorPrintf(color, format string, args ...interface{}) {
+	fmt.Printf(color+format+colorReset+"\n", args...)
+}
+
+// HttpClient is a base HTTP client interface (usually used for test purposes).
+type HttpClient interface {
+	Do(req *http.Request) (*http.Response, error)
+}
+
+// Config defines the config options of the ghupdate plugin.
+//
+// NB! This plugin is considered experimental and its config options may change in the future.
+type Config struct {
+	// Owner specifies the account owner of the repository (default to "pocketbase").
+	Owner string
+
+	// Repo specifies the name of the repository (default to "pocketbase").
+	Repo string
+
+	// ArchiveExecutable specifies the name of the executable file in the release archive
+	// (default to "pocketbase"; an additional ".exe" check is also performed as a fallback).
+	ArchiveExecutable string
+
+	// Optional context to use when fetching and downloading the latest release.
+	Context context.Context
+
+	// The HTTP client to use when fetching and downloading the latest release.
+	// Defaults to `http.DefaultClient`.
+	HttpClient HttpClient
+
+	// The data directory to use when fetching and downloading the latest release.
+	DataDir string
+
+	// UseMirror specifies whether to use the beszel.dev mirror instead of GitHub API.
+	// When false (default), always uses api.github.com. When true, uses gh.beszel.dev.
+	UseMirror bool
+}
+
+type updater struct {
+	config         Config
+	currentVersion string
+}
+
+func Update(config Config) (updated bool, err error) {
+	p := &updater{
+		currentVersion: beszel.Version,
+		config:         config,
+	}
+
+	return p.update()
+}
+
+func (p *updater) update() (updated bool, err error) {
+	ColorPrint(ColorYellow, "Fetching release information...")
+
+	if p.config.DataDir == "" {
+		p.config.DataDir = os.TempDir()
+	}
+
+	if p.config.Owner == "" {
+		p.config.Owner = "henrygd"
+	}
+
+	if p.config.Repo == "" {
+		p.config.Repo = "beszel"
+	}
+
+	if p.config.Context == nil {
+		p.config.Context = context.Background()
+	}
+
+	if p.config.HttpClient == nil {
+		p.config.HttpClient = http.DefaultClient
+	}
+
+	var latest *release
+	var useMirror bool
+
+	// Determine the API endpoint based on UseMirror flag
+	apiURL := fmt.Sprintf("https://api.github.com/repos/%s/%s/releases/latest", p.config.Owner, p.config.Repo)
+	if p.config.UseMirror {
+		useMirror = true
+		apiURL = fmt.Sprintf("https://gh.beszel.dev/repos/%s/%s/releases/latest?api=true", p.config.Owner, p.config.Repo)
+		ColorPrint(ColorYellow, "Using mirror for update.")
+	}
+
+	latest, err = fetchLatestRelease(
+		p.config.Context,
+		p.config.HttpClient,
+		apiURL,
+	)
+	if err != nil {
+		return false, err
+	}
+
+	currentVersion := semver.MustParse(strings.TrimPrefix(p.currentVersion, "v"))
+	newVersion := semver.MustParse(strings.TrimPrefix(latest.Tag, "v"))
+
+	if newVersion.LTE(currentVersion) {
+		ColorPrintf(ColorGreen, "You already have the latest version %s.", p.currentVersion)
+		return false, nil
+	}
+
+	suffix := archiveSuffix(p.config.ArchiveExecutable, runtime.GOOS, runtime.GOARCH)
+	asset, err := latest.findAssetBySuffix(suffix)
+	if err != nil {
+		return false, err
+	}
+
+	releaseDir := filepath.Join(p.config.DataDir, ".beszel_update")
+	defer os.RemoveAll(releaseDir)
+
+	ColorPrintf(ColorYellow, "Downloading %s...", asset.Name)
+
+	// download the release asset
+	assetPath := filepath.Join(releaseDir, asset.Name)
+	if err := downloadFile(p.config.Context, p.config.HttpClient, asset.DownloadUrl, assetPath, useMirror); err != nil {
+		return false, err
+	}
+
+	ColorPrintf(ColorYellow, "Extracting %s...", asset.Name)
+
+	extractDir := filepath.Join(releaseDir, "extracted_"+asset.Name)
+	defer os.RemoveAll(extractDir)
+
+	// Extract the archive (automatically detects format)
+	if err := extract(assetPath, extractDir); err != nil {
+		return false, err
+	}
+
+	ColorPrint(ColorYellow, "Replacing the executable...")
+
+	oldExec, err := os.Executable()
+	if err != nil {
+		return false, err
+	}
+	renamedOldExec := oldExec + ".old"
+	defer os.Remove(renamedOldExec)
+
+	newExec := filepath.Join(extractDir, p.config.ArchiveExecutable)
+	if _, err := os.Stat(newExec); err != nil {
+		// try again with an .exe extension
+		newExec = newExec + ".exe"
+		if _, fallbackErr := os.Stat(newExec); fallbackErr != nil {
+			return false, fmt.Errorf("the executable in the extracted path is missing or it is inaccessible: %v, %v", err, fallbackErr)
+		}
+	}
+
+	// rename the current executable
+	if err := os.Rename(oldExec, renamedOldExec); err != nil {
+		return false, fmt.Errorf("failed to rename the current executable: %w", err)
+	}
+
+	tryToRevertExecChanges := func() {
+		if revertErr := os.Rename(renamedOldExec, oldExec); revertErr != nil {
+			slog.Debug(
+				"Failed to revert executable",
+				slog.String("old", renamedOldExec),
+				slog.String("new", oldExec),
+				slog.String("error", revertErr.Error()),
+			)
+		}
+	}
+
+	// replace with the extracted binary
+	if err := os.Rename(newExec, oldExec); err != nil {
+		// If rename fails due to cross-device link, try copying instead
+		if isCrossDeviceError(err) {
+			if err := copyFile(newExec, oldExec); err != nil {
+				tryToRevertExecChanges()
+				return false, fmt.Errorf("failed replacing the executable: %w", err)
+			}
+		} else {
+			tryToRevertExecChanges()
+			return false, fmt.Errorf("failed replacing the executable: %w", err)
+		}
+	}
+
+	ColorPrint(colorGray, "---")
+	ColorPrint(ColorGreen, "Update completed successfully!")
+
+	// print the release notes
+	if latest.Body != "" {
+		fmt.Print("\n")
+		releaseNotes := strings.TrimSpace(strings.Replace(latest.Body, "> _To update the prebuilt executable you can run `./"+p.config.ArchiveExecutable+" update`._", "", 1))
+		ColorPrint(colorCyan, releaseNotes)
+		fmt.Print("\n")
+	}
+
+	return true, nil
+}
+
+func fetchLatestRelease(
+	ctx context.Context,
+	client HttpClient,
+	url string,
+) (*release, error) {
+	req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	res, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	rawBody, err := io.ReadAll(res.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	// http.Client doesn't treat non 2xx responses as error
+	if res.StatusCode >= 400 {
+		return nil, fmt.Errorf(
+			"(%d) failed to fetch latest releases:\n%s",
+			res.StatusCode,
+			string(rawBody),
+		)
+	}
+
+	result := &release{}
+	if err := json.Unmarshal(rawBody, result); err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}
+
+func downloadFile(
+	ctx context.Context,
+	client HttpClient,
+	url string,
+	destPath string,
+	useMirror bool,
+) error {
+	if useMirror {
+		url = strings.Replace(url, "github.com", "gh.beszel.dev", 1)
+	}
+	req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
+	if err != nil {
+		return err
+	}
+
+	res, err := client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer res.Body.Close()
+
+	// http.Client doesn't treat non 2xx responses as error
+	if res.StatusCode >= 400 {
+		return fmt.Errorf("(%d) failed to send download file request", res.StatusCode)
+	}
+
+	// ensure that the dest parent dir(s) exist
+	if err := os.MkdirAll(filepath.Dir(destPath), os.ModePerm); err != nil {
+		return err
+	}
+
+	dest, err := os.Create(destPath)
+	if err != nil {
+		return err
+	}
+	defer dest.Close()
+
+	if _, err := io.Copy(dest, res.Body); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// isCrossDeviceError checks if the error is due to a cross-device link
+func isCrossDeviceError(err error) bool {
+	return err != nil && (strings.Contains(err.Error(), "cross-device") ||
+		strings.Contains(err.Error(), "EXDEV"))
+}
+
+// copyFile copies a file from src to dst, preserving permissions
+func copyFile(src, dst string) error {
+	sourceFile, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer sourceFile.Close()
+
+	destFile, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer destFile.Close()
+
+	// Copy the file contents
+	if _, err := io.Copy(destFile, sourceFile); err != nil {
+		return err
+	}
+
+	// Preserve the original file permissions
+	sourceInfo, err := sourceFile.Stat()
+	if err != nil {
+		return err
+	}
+
+	return destFile.Chmod(sourceInfo.Mode())
+}
+
+func archiveSuffix(binaryName, goos, goarch string) string {
+	if goos == "windows" {
+		return fmt.Sprintf("%s_%s_%s.zip", binaryName, goos, goarch)
+	}
+	return fmt.Sprintf("%s_%s_%s.tar.gz", binaryName, goos, goarch)
+}

internal/ghupdate/ghupdate_test.go

@@ -0,0 +1,45 @@
+package ghupdate
+
+import (
+	"path/filepath"
+	"testing"
+)
+
+func TestReleaseFindAssetBySuffix(t *testing.T) {
+	r := release{
+		Assets: []*releaseAsset{
+			{Name: "test1.zip", Id: 1},
+			{Name: "test2.zip", Id: 2},
+			{Name: "test22.zip", Id: 22},
+			{Name: "test3.zip", Id: 3},
+		},
+	}
+
+	asset, err := r.findAssetBySuffix("2.zip")
+	if err != nil {
+		t.Fatalf("Expected nil, got err: %v", err)
+	}
+
+	if asset.Id != 2 {
+		t.Fatalf("Expected asset with id %d, got %v", 2, asset)
+	}
+}
+
+func TestExtractFailure(t *testing.T) {
+	testDir := t.TempDir()
+
+	// Test with missing zip file
+	missingZipPath := filepath.Join(testDir, "missing_test.zip")
+	extractedPath := filepath.Join(testDir, "zip_extract")
+
+	if err := extract(missingZipPath, extractedPath); err == nil {
+		t.Fatal("Expected Extract to fail due to missing zip file")
+	}
+
+	// Test with missing tar.gz file
+	missingTarPath := filepath.Join(testDir, "missing_test.tar.gz")
+
+	if err := extract(missingTarPath, extractedPath); err == nil {
+		t.Fatal("Expected Extract to fail due to missing tar.gz file")
+	}
+}

internal/ghupdate/release.go

@@ -0,0 +1,36 @@
+package ghupdate
+
+import (
+	"errors"
+	"strings"
+)
+
+type releaseAsset struct {
+	Name        string `json:"name"`
+	DownloadUrl string `json:"browser_download_url"`
+	Id          int    `json:"id"`
+	Size        int    `json:"size"`
+}
+
+type release struct {
+	Name      string          `json:"name"`
+	Tag       string          `json:"tag_name"`
+	Published string          `json:"published_at"`
+	Url       string          `json:"html_url"`
+	Body      string          `json:"body"`
+	Assets    []*releaseAsset `json:"assets"`
+	Id        int             `json:"id"`
+}
+
+// findAssetBySuffix returns the first available asset containing the specified suffix.
+func (r *release) findAssetBySuffix(suffix string) (*releaseAsset, error) {
+	if suffix != "" {
+		for _, asset := range r.Assets {
+			if strings.HasSuffix(asset.Name, suffix) {
+				return asset, nil
+			}
+		}
+	}
+
+	return nil, errors.New("missing asset containing " + suffix)
+}