workflow-cli/contrib/gce/gce-user-data-template at 8d238badbf3b6cd96eb4eedfbc95e7ea60b788ee · drycc/workflow-cli · GitHub

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#cloud-config
coreos:
  units:
    - name: format-ephemeral.service
      command: start
      content: |
        [Unit]
        Description=Formats the ephemeral drive
        ConditionPathExists=!/etc/gce-formatted
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        ExecStart=/usr/sbin/wipefs -f /dev/disk/by-id/scsi-0Google_PersistentDisk_coredocker
        ExecStart=/usr/sbin/mkfs.ext4 -i 4096 -b 4096 /dev/disk/by-id/scsi-0Google_PersistentDisk_coredocker
        ExecStart=/bin/touch /etc/gce-formatted
    - name: var-lib-docker.mount
      command: start
      content: |
        [Unit]
        Description=Mount ephemeral to /var/lib/docker
        Requires=format-ephemeral.service
        After=format-ephemeral.service
        Before=docker.service
        [Mount]
        What=/dev/disk/by-id/scsi-0Google_PersistentDisk_coredocker
        Where=/var/lib/docker
        Type=ext4
    - name: docker.service
      drop-ins:
        - name: 90-after-docker-volume.conf
          content: |
            [Unit]
            Requires=var-lib-docker.mount
            After=var-lib-docker.mount