# Define a single controller node overcloud_nodes: - name: control_0 flavor: control default_name: overcloud-controller-0 hostnamemap_override: "{{ hostvars[groups['overcloud'][0]].ansible_hostname }}" - name: control_1 flavor: control default_name: overcloud-controllerapi-0 hostnamemap_override: "{{ hostvars[groups['overcloud'][1]].ansible_hostname }}" node_count: 2 deployed_server_overcloud_roles: - name: ControllerApi hosts: $(sed -n 1,1p /etc/nodepool/sub_nodes_private) - name: Controller hosts: "$(sed -n 2,2p /etc/nodepool/sub_nodes_private)" topology_map: Controller: scale: 1 ControllerApi: scale: 1 Compute: scale: 0