cloud-config.yml

[...]
    - name: skydns.service
      enable: false
      content: |
       [Unit]
        Description=Skydns
        After=docker.service
        After=docker.service
        After=fleet.service
        [Service]
        ExecStop=/usr/bin/docker stop skydns
        ExecStart=/usr/bin/docker run -p 53:53 --name skydns tacodata/skydns-coreos
        Restart=always
        [X-Fleet]
        Global=true
    - name: registrator.service
      enable: false
      content: |
       [Unit]
        Description=Registrator
        After=docker.service
        Requires=docker.service
        After=etcd.service
        After=fleet.service
        [Service]
        ExecStop=/usr/bin/docker stop registrator
        EnvironmentFile=/etc/environment
        ExecStart=/usr/bin/docker run -v /var/run/docker.sock:/tmp/docker.sock --name registrator progrium/registrator skydns2://127.0.0.1:4001/skydns.local
        Restart=always
        [X-Fleet]
        Global=true
    - name: primordial.service
      command: start
      content: |
       [Unit]
        Description=Load and start fleet services
        After=fleet.service
        Requires=fleet.service
        After=etcd.service
        Requires=etcd.service
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        ExecStart=/usr/bin/fleetctl start /etc/systemd/system/skydns.service
        ExecStart=/usr/bin/fleetctl start /etc/systemd/system/registrator.service
[...]