Improve rabbitmq reset playbook matching

Author: Alex-Welsh

etc/kayobe/ansible/rabbitmq-reset.yml

@@ -68,4 +68,4 @@
     # The following services use RabbitMQ.
     - name: Restart OpenStack services
       shell: >-
-        systemctl -a | egrep '(barbican|blazar|cinder|cloudkitty|designate|heat|ironic|keystone|magnum|manila|neutron|nova|octavia)' | awk '{ print $1 }' | xargs systemctl restart
+        systemctl list-units --type=service | tr ' ' '\n' | egrep '^kolla-(barbican|blazar|cinder|cloudkitty|designate|heat|ironic|keystone|magnum|manila|neutron|nova|octavia).*-container\.service' | uniq | xargs systemctl restart