nodes: node1: roles: - controller - openvswitch node[2-3]: roles: - compute - openvswitch roles: controller: - etcd - glance-api - glance-registry - heat-api - heat-engine - horizon - keystone - mariadb - memcached - neutron-dhcp-agent - neutron-l3-agent - neutron-metadata-agent - neutron-server - nova-api - nova-conductor - nova-consoleauth - nova-novncproxy - nova-scheduler - rabbitmq compute: - nova-compute - nova-libvirt openvswitch: - neutron-openvswitch-agent - openvswitch-db - openvswitch-vswitchd