Containers
Abcde

Abcde

cubt85iz/abcde-container

abcde is rips tracks from audio CDs and converts them to various audio formats. automatos-server includes a systemd template that can be used to simultaneously rip audio CDs from multiple devices.

Configuration

Image

To use the abcde template, it needs to be included in your generated image. Update your build configuration to include it.

.config/my-server-build
{
  "containers": [
    "abcde@"
  ]
}

Service

To use this systemd template, you must provide an optical disk drive device (ex. /dev/sr0). This will create a container service for abcde that rips the contents of an audio CD inserted into the device.

etc/containers/systemd/abcde@.container
[Unit]
Description=Container for processing audio CDs using abcde

[Container]
ContainerName=%p
Image=ghcr.io/cubt85iz/abcde-container:latest
AddDevice=%I:/dev/cdrom
AutoUpdate=registry

[Service]
ExecStopPost=eject %I

Customizations

The systemd container unit provided above configures most of the properties for the container service, but it does not include volumes for /etc/abcde.conf and /output. Use a systemd drop-in file to specify these.

/etc/containers/systemd/abcde@dev-sr0.container.d/01-volumes.conf
[Container]
Volume=/path/to/abcde.conf:/etc/abcde.conf:Z
Volume=/path/to/output:/output:Z

Device Rules

To automatically rip inserted discs, a udev rule for each optical drive must be created.

/etc/udev/rules.d/90-abcde.rules
SUBSYSTEM=="block", KERNEL=="sr0", ENV{ID_CDROM_MEDIA_CD}=="1", PROGRAM="/usr/bin/systemd-escape --template=abcde@.service $env{DEVNAME}", ENV{SYSTEMD_USER_WANTS}+="%c"

Execute udevadm control --reload-rules to reload the udev rules.

SELinux

Containers must have permission to use devices to access optical drives. Execute sudo setsebool -P container_use_devices 1 to allow this. Additionally, the SELinux context for the /etc/abcde.conf file may need to be set to system_u:object_r:container_file_t:s0 for the container to be able to access it.

References

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