etcd2 service in cloud-config

    - name: etcd2.service
      command: start
      drop-ins:
       - name: 30-certs.conf
         content: |
          [Service]
          Environment="ETCD_CERT_FILE=/etc/ssl/etcd/etcd1.pem"
          Environment="ETCD_KEY_FILE=/etc/ssl/etcd/etcd1-key.pem"
          Environment="ETCD_TRUSTED_CA_FILE=/etc/ssl/etcd/ca.pem"
          Environment="ETCD_CLIENT_CERT_AUTH=true"
          Environment="ETCD_PEER_CERT_FILE=/etc/ssl/etcd/etcd1.pem"
          Environment="ETCD_PEER_KEY_FILE=/etc/ssl/etcd/etcd1-key.pem"
          Environment="ETCD_PEER_TRUSTED_CA_FILE=/etc/ssl/etcd/ca.pem"
          Environment="ETCD_PEER_CLIENT_CERT_AUTH=true"