etcd + fleet, 3 node clust

cloud-config

#cloud-config

coreos:
  etcd:
    #generate a new token for each unique cluster from https://discovery.etcd.io/new
    discovery: https://discovery.etcd.io/<token>
    addr: $public_ipv4:4001
    peer-addr: $private_ipv4:7001
    peer-election-timeout: 500
    peer-heartbeat-interval: 100
 
  update:
    group: stable
    reboot-strategy: best-effort
 
  units:
    - name: etcd.service
      command: start
    - name: fleet.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=fleet
 
        [Service]
        Environment="FLEET_PUBLIC_IP={{ public_ip }}"
        ExecStart=/usr/bin/fleet
    - name: docker-tcp.socket
      command: start
      enable: true
      content: |
        [Unit]
        Description=Docker Socket for the API
 
        [Socket]
        ListenStream=2375
        Service=docker.service
        BindIPv6Only=both
 
        [Install]
        WantedBy=sockets.target

    - name: project.backend.@.service
      command: start
      content: |
        [Unit]
        Description=Project backend
        After=docker.service
        Requires=docker.service
 
        [Service]
        TimeoutStartSec=0
        ExecStartPre=-/usr/bin/docker kill project
        ExecStartPre=-/usr/bin/docker rm project
        ExecStartPre=/usr/bin/docker pull hackzilla/project:latest
        ExecStart=/usr/bin/docker run --rm --name project -p 81:80 -e PROJECT_PASSWORD=letmein hackzilla/project:latest
        ExecStop=/usr/bin/docker stop project
 
        [X-Fleet]
        X-Conflicts=project.backend.*.service
 
    - name: project-discovery.backend.@.service
      command: start
      content: |
        [Unit]
        Description=Announce Project backend
        BindTo=project.backend.@.service
 
        [Service]
        ExecStart=/bin/sh -c "while true; do etcdctl set /varnish/backends/project/%H:81 '{ \"host\": \"%H\", \"port\": 81, \"version\": \"ooh\" }' --ttl 60;sleep 45;done"
        ExecStop=/usr/bin/etcdctl rm /varnish/project/kohana/%H:81
 
        [X-Fleet]
        X-ConditionMachineOf=project.backend.@.service

ssh_authorized_keys:
  - ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key
  - ssh-rsa AAAAB... hackzilla@hackzilla.org
 
users:
  - name: hackzilla
    passwd: $6$WQ74...
    groups:
      - sudo
      - docker
      - wheel
      - portage
      - core
    ssh-authorized-keys:
      - ssh-rsa AAAAB...