## Type of Change
- [x] New feature
## Description
Add option to force kernel setting and tests for CLI `kernel set`.
Related to https://github.com/apple/container/pull/575.
## Motivation and Context
This PR adds additional tests to ensure that we can set kernels from
local files, remote tar files, and local tar files. A new option `force`
is added to the `kernel set` subcommand which will overwrite an existing
kernel with the same name if one exists to make testing easier. The
tests ensure that a container can be started with the newly set kernel
and resets to the default recommended kernel when complete.
## Testing
- [x] Tested locally
- [x] Added/updated tests
Signed-off-by: Kathryn Baldauf <k_baldauf@apple.com>
Today force deleting (if a container is running then stop()'ing first)
is handled entirely in the cli, which is brittle. The CLI doesn't know
if the container was started with --rm so it would have to do a weird
timeout + list dance to check if the containers gone after stopping.
This change remedies this by just having the daemon take in a `force`
boolean to the delete rpc. If this is provided and the container is
running then we'll stop first, and then cleanup. We can additionally not
cleanup if --rm was provided as the daemon has the data to determine if
a container asked for autoRemove.
- Sets up API server as source of truth for installation root, similarly
to what was done for the data root. `system start` establishes the
install root, setting the environment variable `CONTAINER_INSTALL_ROOT`
when launching the API server.
- The API server propagates the environment variable when launching
helpers, and returns the install root to the CLI via the health check
XPC.
- Includes several fixes for detecting plugins that use app bundle
layout.
Closes#339.
This change adds named volume support to container, providing volume
management CLI commands - `create, delete, list and inspect`. The
implementation uses EXT4 block-based persistent storage with a new
`VolumesService` actor for thread-safe operations, integrates seamlessly
with the existing container mount system through a new `.volume`
filesystem type, and provides atomic volume operations with XPC-based
API communication. Volumes are stored in isolated directories with
configurable sizes (default 512GB) and include proper cleanup and
container usage tracking for safe deletion.
Example Usage:
```
# Create a volume
container volume create mydata
# Use volume in container
container run -v mydata:/data alpine
# List volumes
container volume list
# Inspect volume details
container volume inspect mydata
# Clean up
container volume rm mydata
```
This change updates the UX when we install required dependencies at
first launch
### Fresh install - respond `y` to prompt
```
➜ bin/container system start
Verifying apiserver is running...
Installing base container filesystem...
No default kernel configured.
Install the recommended default kernel from [https://github.com/kata-containers/kata-containers/releases/download/3.17.0/kata-static-3.17.0-arm64.tar.xz]? [Y/n]: y
Installing kernel...
```
### Fresh install - respond `n` to prompt and then run the provided
command
```
➜ bin/container system start
Verifying apiserver is running...
Installing base container filesystem...
No default kernel configured.
Install the recommended default kernel from [https://github.com/kata-containers/kata-containers/releases/download/3.17.0/kata-static-3.17.0-arm64.tar.xz]? [Y/n]: n
Please use the `container system kernel set --recommended` command to configure the default kernel
➜ bin/container system kernel set --recommended
Installing the recommended kernel from https://github.com/kata-containers/kata-containers/releases/download/3.17.0/kata-static-3.17.0-arm64.tar.xz...
```
### Fresh install - respond `n` to prompt and then run a container
```
➜ bin/container system start
Verifying apiserver is running...
Installing base container filesystem...
No default kernel configured.
Install the recommended default kernel from [https://github.com/kata-containers/kata-containers/releases/download/3.17.0/kata-static-3.17.0-arm64.tar.xz]? [Y/n]: n
Please use the `container system kernel set --recommended` command to configure the default kernel
➜ bin/container run alpine uname
Error: notFound: "Default kernel not configured for architecture arm64. Please use the `container system kernel set` command to configure it
```
---------
Signed-off-by: Aditya Ramani <a_ramani@apple.com>
Kathryn Baldauf