Merge "Always run mysql init bundle"

docker/services/pacemaker/database/mysql.yaml

@@ -55,6 +55,12 @@ parameters:
     default: false
     description: Whether to run config management (e.g. Puppet) in debug mode.
     type: boolean
+  DeployIdentifier:
+    default: ''
+    type: string
+    description: >
+      Setting this to a unique value will re-run any deployment tasks which
+      perform configuration on a Heat stack-update.
 
 resources:
 
@@ -262,6 +268,13 @@ outputs:
                 - - /etc/corosync/corosync.conf:/etc/corosync/corosync.conf:ro
                   - /dev/shm:/dev/shm:rw
                   - /var/lib/mysql:/var/lib/mysql:rw
+            environment:
+              # NOTE: this should force this container to re-run on each
+              # update (scale-out, etc.)
+              - list_join:
+                  - ''
+                  - - 'TRIPLEO_DEPLOY_IDENTIFIER='
+                    - {get_param: DeployIdentifier}
       host_prep_tasks:
         - name: create persistent directories
           file: