Enable Ceilometer agent logging for containers

Change-Id: Ibeb28d7c497b02253d00a74257989cefba2b0cc4
(cherry picked from commit fc44ee6ff3)

docker/services/ceilometer-agent-central.yaml

@@ -69,7 +69,7 @@ outputs:
         config_image: {get_param: DockerCeilometerConfigImage}
       kolla_config:
         /var/lib/kolla/config_files/ceilometer_agent_central.json:
-          command: /usr/bin/ceilometer-polling --polling-namespaces central
+          command: /usr/bin/ceilometer-polling --polling-namespaces central --logfile /var/log/ceilometer/central.log
           config_files:
             - source: "/var/lib/kolla/config_files/src/*"
               dest: "/"
@@ -116,6 +116,11 @@ outputs:
               - '/usr/bin/bootstrap_host_exec'
               - 'ceilometer_agent_central'
               - "su ceilometer -s /bin/bash -c 'for n in {1..10}; do /usr/bin/ceilometer-upgrade --skip-metering-database && exit 0 || sleep 5; done; exit 1'"
+      host_prep_tasks:
+        - name: create persistent logs directory
+          file:
+            path: /var/log/containers/ceilometer
+            state: directory
       upgrade_tasks:
         - name: Stop and disable ceilometer agent central service
           tags: step2