parameters: haproxy: proxy: listen: etcd_cluster: type: etcd binds: - address: ${_param:cluster_vip_address} port: 4001 servers: - name: etc01 host: ${_param:cluster_node01_address} port: 4001 params: check - name: etc02 host: ${_param:cluster_node02_address} port: 4001 params: backup check - name: etc03 host: ${_param:cluster_node03_address} port: 4001 params: backup check