Add panko_api_cron container

Currently panko expirer isn't running in a separate container,
which results in events piling up in the configured database.
This change deploys panko_api_cron as a container and
periodically deletes events from db

Closes-Bug: #1832274
Change-Id: I4c941048a3561af9458208fe86e1b86156eb7ebc
(cherry picked from commit 66a638a8df)

deployment/deprecated/panko/panko-api-container-puppet.yaml

@@ -246,6 +246,17 @@ outputs:
             - path: /var/log/panko
               owner: panko:panko
               recurse: true
+        /var/lib/kolla/config_files/panko_api_cron.json:
+          command: /usr/sbin/crond -n
+          config_files:
+            - source: "/var/lib/kolla/config_files/src/*"
+              dest: "/"
+              merge: true
+              preserve_properties: true
+          permissions:
+            - path: /var/log/panko
+              owner: panko:panko
+              recurse: true
       docker_config:
         step_2:
           get_attr: [PankoApiLogging, docker_config, step_2]
@@ -300,6 +311,22 @@ outputs:
                       - ''
             environment:
               - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
+          panko_api_cron:
+            image: *panko_api_image
+            net: host
+            user: root
+            privileged: false
+            restart: always
+            test: /openstack/healthcheck
+            volumes:
+              list_concat:
+                - {get_attr: [ContainersCommon, volumes]}
+                - {get_attr: [PankoApiLogging, volumes]}
+                -
+                  - /var/lib/kolla/config_files/panko_api_cron.json:/var/lib/kolla/config_files/config.json:ro
+                  - /var/lib/config-data/puppet-generated/panko/:/var/lib/kolla/config_files/src:ro
+            environment:
+              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
       host_prep_tasks: {get_attr: [PankoApiLogging, host_prep_tasks]}
       metadata_settings:
         get_attr: [ApacheServiceBase, role_data, metadata_settings]
@@ -310,3 +337,4 @@ outputs:
           vars:
             containers_to_rm:
               - panko_api
+              - panko_api_cron