Docker-compose sysext

This sysext ships docker-compose.

Usage

Download and merge the sysext at provisioning time using the below butane snippet.

The snippet includes automated updates via systemd-sysupdate. Sysupdate will stage updates and request a reboot by creating a flag file at /run/reboot-required. You can deactivate updates by changing enabled: true to enabled: false in systemd-sysupdate.timer.

Note that the snippet is for the x86-64 version of docker-compose 2.34.0.

Check out the metadata release at https://github.com/flatcar/sysext-bakery/releases/tag/docker-compose for a list of all versions available in the bakery.

variant: flatcar
version: 1.0.0

storage:
  files:
    - path: /opt/extensions/docker-compose/docker-compose-2.34.0-x86-64.raw
      mode: 0644
      contents:
        source: https://extensions.flatcar.org/extensions/docker-compose-2.34.0-x86-64.raw
    - path: /etc/sysupdate.docker-compose.d/docker-compose.conf
      contents:
        source: https://extensions.flatcar.org/extensions/docker-compose.conf
    - path: /etc/sysupdate.d/noop.conf
      contents:
        source: https://extensions.flatcar.org/extensions/noop.conf
  links:
    - target: /opt/extensions/docker-compose/docker-compose-2.34.0-x86-64.raw
      path: /etc/extensions/docker-compose.raw
      hard: false
systemd:
  units:
    - name: systemd-sysupdate.timer
      enabled: true
    - name: systemd-sysupdate.service
      dropins:
        - name: docker-compose.conf
          contents: |
            [Service]
            ExecStartPre=/usr/bin/sh -c "readlink --canonicalize /etc/extensions/docker-compose.raw > /tmp/docker-compose"
            ExecStartPre=/usr/lib/systemd/systemd-sysupdate -C docker-compose update
            ExecStartPost=/usr/bin/sh -c "readlink --canonicalize /etc/extensions/docker-compose.raw > /tmp/docker-compose-new"
            ExecStartPost=/usr/bin/sh -c "if ! cmp --silent /tmp/docker-compose /tmp/docker-compose-new; then touch /run/reboot-required; fi"