etcd-v3-proxy

cc.yaml

coreos:
  units:
    - name: etcd3-peers.service
      command: start
      content: |
          [Unit]
          Description=Write a file with the etcd peers that we should bootstrap to\n",
          Requires=docker.socket
          After=docker.socket

          [Service]
          Restart=on-failure
          RestartSec=10
          ExecStartPre=-/usr/bin/systemctl stop etcd-member
          ExecStartPre=/usr/bin/docker pull monsantoco/etcd-aws-cluster:latest
          ExecStartPre=/usr/bin/docker run \
              --rm=true \
              --net host \
              -v /etc/sysconfig/:/etc/sysconfig/ \
              -e ETCD_CLIENT_SCHEME=https \
              -e ETCD_PEER_SCHEME=https \
              -e PROXY_ASG=${etcd_asg_name} \
              monsantoco/etcd-aws-cluster:latest
          ExecStart=/usr/bin/systemctl start etcd-member.service
    - name: etcd-member.service
      command: stop
      enable: true
      drop-ins:
        - name: 10-etcd-member.conf
          content: |
            [Service]
            EnvironmentFile=/etc/sysconfig/etcd-peers
            Environment="ETCD_IMAGE_TAG=v3.1.7"
            Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://$private_ipv4:2380"
            Environment="ETCD_LISTEN_PEER_URLS=https://$private_ipv4:2380"
            Environment="ETCD_ADVERTISE_CLIENT_URLS=https://$private_ipv4:2379,https://127.0.0.1:2379"
            Environment="ETCD_LISTEN_CLIENT_URLS=https://$private_ipv4:2379,https://127.0.0.1:2379"
            Environment="ETCD_PEER_AUTO_TLS=true"
            Environment="ETCD_AUTO_TLS=true"
            Environment="ETCD_DATA_DIR=/opt/etcd/data"
            Environment="ETCD_PROXY=on"
            EnvironmentFile=/etc/sysconfig/etcd-peers 
            ExecStartPre=/usr/bin/mkdir -p /opt/etcd/data
            ExecStartPre=/usr/bin/chown -R etcd:etcd /opt/etcd/data

etc_sysconfig_etcd-peers

ETCD_INITIAL_CLUSTER_STATE=new
ETCD_NAME=i-instance4
ETCD_INITIAL_CLUSTER="i-instance1=https://172.16.80.96:2380,i-instance2=https://172.16.48.66:2380,i-instance3=https://172.16.70.222:2380"