Handle upgrading cinder-volume under pacemaker

Add upgrade tasks for cinder-volume when it's controlled by pacemaker:

o Stop the service before the entire pacemaker cluster is stopped.
  This ensures the service is stopped before infrastructure services
  (e.g. rabbitmq) go away.
o Migrate the cinder DB prior to restarting the service. This covers
  the situation when puppet-cinder (who otherwise would handle the db
  sync) isn't managing the service.
o Start the service after the rest of the pacemaker cluster has been
  started.

Closes-Bug: #1691851
Change-Id: I5874ab862964fadb68320d5c4de39b20f53dc25c

puppet/services/pacemaker/cinder-volume.yaml

@@ -54,3 +54,18 @@ outputs:
             cinder::host: hostgroup
       step_config:
         include ::tripleo::profile::pacemaker::cinder::volume
+      upgrade_tasks:
+        - name: Stop cinder_volume service (pacemaker)
+          tags: step1
+          pacemaker_resource:
+            resource: openstack-cinder-volume
+            state: disable
+            wait_for_resource: true
+        - name: Sync cinder DB
+          tags: step5
+          command: cinder-manage db sync
+        - name: Start cinder_volume service (pacemaker)
+          tags: step5
+          pacemaker_resource:
+            resource: openstack-cinder-volume
+            state: enable