nova/control/single.yml

classes:
- service.nova.control.single
parameters:
  _param:
    cluster_internal_protocol: 'http'
  linux:
    system:
      package:
        python-pymysql:
          fromrepo: ${_param:openstack_version}
          version: latest
  nova:
    controller:
      database:
        host: ${_param:single_address}
      identity:
        protocol: ${_param:cluster_internal_protocol}
        region: ${_param:openstack_region}
      network:
        protocol: ${_param:cluster_internal_protocol}
        region: ${_param:openstack_region}
      glance:
        protocol: ${_param:cluster_internal_protocol}