cloud-config.yaml

#cloud-config
hostname: $HOSTNAME
users:
  - name: core
    ssh-authorized-keys:
     - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQD0b7/p6r/OB0ETmuWANndHdVlFzDA1vSD0ByO6/wbcwiz8265oWajfmCmrEhTEG6WMX5RQWZ2L/56Sb+MlcZQpZp77QKikgyqpfJdHuyq1bAIvfbl9Z8Ms1zYQMjdlOVbdNxQV7F3eMoh7bFIoXsDiatbPxEf8H9TkJI1UaPT1Gw== core@example.com
coreos:
  units:
    - name: settimezone.service
      command: start
      content: |
        [Unit]
        Description=Set the time zone
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        ExecStart=/usr/bin/timedatectl set-timezone Asia/Shanghai
    - name: etcd2.service
      command: start
    - name: docker.service
      command: start
    - name: 10-eno1.network
      content: |
        [Match]
        Name=eno1
        [Network]
        Address=$IPADDRESS
        Gateway=$GATEWAY
        DNS=$DNS1
        DNS=$DNS2
  update:
reboot-strategy: etcd-lock