nodes: node1: roles: - openvswitch - controller-net-host - controller-net-bridge roles: controller-net-host: - neutron-dhcp-agent - neutron-l3-agent - neutron-metadata-agent controller-net-bridge: - etcd - glance-api - glance-registry - heat-api - heat-engine - horizon - keystone - mariadb - memcached - neutron-server - nova-api - nova-conductor - nova-consoleauth - nova-novncproxy - nova-scheduler - rabbitmq openvswitch: - neutron-openvswitch-agent - openvswitch-db - openvswitch-vswitchd