+%openstack NOVAHOSTS=(keystone) ALL
+%openstack NOVAHOSTS=(memcache) ALL
+%openstack NOVAHOSTS=(ceilometer) ALL
+%openstack NOVAHOSTS=(cinder) ALL
+%openstack NOVAHOSTS=(glance) ALL
+%openstack NOVAHOSTS=(heat) ALL
+%openstack NOVAHOSTS=(neutron) ALL
+%openstack NOVAHOSTS=(nova) ALL