parameters: haproxy: proxy: listen: nova_novnc: type: general-service service_name: http check: true binds: - address: ${_param:cluster_vip_address} port: 6080 servers: - name: ctl01 host: ${_param:cluster_node01_address} port: 6080 params: check - name: ctl02 host: ${_param:cluster_node02_address} port: 6080 params: check - name: ctl03 host: ${_param:cluster_node03_address} port: 6080 params: check