Add panko config to ceilometer notification agent container

Without this, ceilometer notification agent cant find panko
and skips posting events to it.

Change-Id: Ibfeef5c557d1ceb11a999aa947597014ca94ec34

docker/services/ceilometer-agent-notification.yaml

@@ -75,6 +75,14 @@ outputs:
               dest: "/"
               merge: true
               preserve_properties: true
+            - source: "/var/lib/kolla/config_files/src-panko/*"
+              dest: "/"
+              merge: true
+              preserve_properties: true
+          permissions:
+            - path: /etc/panko
+              owner: root:ceilometer
+              recurse: true
       docker_config:
         step_3:
           ceilometer_init_log:
@@ -96,6 +104,7 @@ outputs:
                 -
                   - /var/lib/kolla/config_files/ceilometer_agent_notification.json:/var/lib/kolla/config_files/config.json:ro
                   - /var/lib/config-data/puppet-generated/ceilometer/:/var/lib/kolla/config_files/src:ro
+                  - /var/lib/config-data/puppet-generated/panko/:/var/lib/kolla/config_files/src-panko:ro
                   - /var/log/containers/ceilometer:/var/log/ceilometer
             environment:
               - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS