gistfile1.txt

coreos:
  fleet:
    metadata: role=etcd
  etcd:
    addr: $public_ipv4:4001
    peer-addr: $private_ipv4:7001
    bind-addr: 0.0.0.0
    cluster-active-size: 1
    snapshot: true
  units:
    - name: etcd.service
      command: start
    - name: fleet.service
      command: start
    - name: docker.service
      command: start
    - name: setup-network-environment.service
      command: start
      content: |
        [Unit]
        Description=Setup Network Environment
        Documentation=https://github.com/kelseyhightower/setup-network-environment
        Requires=network-online.target
        After=network-online.target

        [Service]
        ExecStartPre=-/usr/bin/mkdir -p /opt/bin
        ExecStartPre=/usr/bin/wget -N -P /opt/bin http://storage.googleapis.com/snenv/setup-network-environment
        ExecStartPre=/usr/bin/chmod +x /opt/bin/setup-network-environment
        ExecStart=/opt/bin/setup-network-environment
        RemainAfterExit=yes
        Type=oneshot
  update:
    group: alpha
    reboot-strategy: reboot