Merge "Wrap ceilometer-upgrade in boostrap_host_exec"

docker/services/ceilometer-agent-central.yaml

@@ -105,13 +105,17 @@ outputs:
             net: host
             detach: false
             privileged: false
+            user: root
             volumes:
               list_concat:
                 - {get_attr: [ContainersCommon, volumes]}
                 -
                   - /var/lib/config-data/ceilometer/etc/ceilometer/:/etc/ceilometer/:ro
                   - /var/log/containers/ceilometer:/var/log/ceilometer
-            command: ["/usr/bin/ceilometer-upgrade", "--skip-metering-database"]
+            command:
+              - '/usr/bin/bootstrap_host_exec'
+              - 'ceilometer_agent_central'
+              - "su ceilometer -s /bin/bash -c '/usr/bin/ceilometer-upgrade --skip-metering-database'"
       upgrade_tasks:
         - name: Stop and disable ceilometer agent central service
           tags: step2