Add manila db purge job

This patch introduces manila_api_cron container to run manila db purge
job periodically, so that soft-deleted records are removed from Manila
database.

Closes-Bug: #1891890
Depends-on: https://review.opendev.org/#/c/746131/
Depends-on: https://review.opendev.org/#/c/746427/
Change-Id: Iae7e0ec1ee964c2c23a3bf0c64c0387e82733a4e

deployment/manila/manila-api-container-puppet.yaml

@@ -57,6 +57,51 @@ parameters:
                  When not set, the list is inferred via the storage back end/s
                  enabled.
     type: comma_delimited_list
+  ManilaCronDbPurgeMinute:
+    type: string
+    description: >
+        Cron to purge db entries marked as deleted and older than $age - Minute
+    default: '1'
+  ManilaCronDbPurgeHour:
+    type: string
+    description: >
+        Cron to purge db entries marked as deleted and older than $age - Hour
+    default: '0'
+  ManilaCronDbPurgeMonthday:
+    type: string
+    description: >
+        Cron to purge db entries marked as deleted and older than $age - Month Day
+    default: '*'
+  ManilaCronDbPurgeMonth:
+    type: string
+    description: >
+        Cron to purge db entries marked as deleted and older than $age - Month
+    default: '*'
+  ManilaCronDbPurgeWeekday:
+    type: string
+    description: >
+        Cron to purge db entries marked as deleted and older than $age - Week Day
+    default: '*'
+  ManilaCronDbPurgeUser:
+    type: string
+    description: >
+        Cron to purge db entries marked as deleted and older than $age - User
+    default: 'manila'
+  ManilaCronDbPurgeAge:
+    type: string
+    description: >
+        Cron to purge db entries marked as deleted and older than $age - Age
+    default: '30'
+  ManilaCronDbPurgeDestination:
+    type: string
+    description: >
+        Cron to purge db entries marked as deleted and older than $age - Log destination
+    default: '/var/log/manila/manila-rowsflush.log'
+  ManilaCronDbPurgeMaxDelay:
+    type: string
+    description: >
+        Cron to purge db entries marked as deleted and older than $age - Max Delay
+    default: '3600'
 
 conditions:
 
@@ -157,6 +202,15 @@ outputs:
             manila::api::enable_proxy_headers_parsing: true
             manila::api::default_share_type: 'default'
             manila_enabled_share_protocols: {get_param: ManilaEnabledShareProtocols}
+            manila::cron::db_purge::minute: {get_param: ManilaCronDbPurgeMinute}
+            manila::cron::db_purge::hour: {get_param: ManilaCronDbPurgeHour}
+            manila::cron::db_purge::monthday: {get_param: ManilaCronDbPurgeMonthday}
+            manila::cron::db_purge::month: {get_param: ManilaCronDbPurgeMonth}
+            manila::cron::db_purge::weekday: {get_param: ManilaCronDbPurgeWeekday}
+            manila::cron::db_purge::user: {get_param: ManilaCronDbPurgeUser}
+            manila::cron::db_purge::age: {get_param: ManilaCronDbPurgeAge}
+            manila::cron::db_purge::destination: {get_param: ManilaCronDbPurgeDestination}
+            manila::cron::db_purge::maxdelay: {get_param: ManilaCronDbPurgeMaxDelay}
           - manila::wsgi::apache::servername:
               str_replace:
                 template:
@@ -201,6 +255,17 @@ outputs:
             - path: /var/log/manila
               owner: manila:manila
               recurse: true
+        /var/lib/kolla/config_files/manila_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/manila
+              owner: manila:manila
+              recurse: true
       docker_config:
         step_2:
           manila_init_logs:
@@ -252,6 +317,24 @@ outputs:
                     - []
             environment:
               KOLLA_CONFIG_STRATEGY: COPY_ALWAYS
+          manila_api_cron:
+            image: *manila_api_image
+            net: host
+            user: root
+            privileged: false
+            restart: always
+            healthcheck:
+              test: '/usr/share/openstack-tripleo-common/healthcheck/cron manila'
+            volumes:
+              list_concat:
+                - {get_attr: [ContainersCommon, volumes]}
+                -
+                  - /var/lib/kolla/config_files/manila_api_cron.json:/var/lib/kolla/config_files/config.json:ro
+                  - /var/lib/config-data/puppet-generated/manila:/var/lib/kolla/config_files/src:ro
+                  - /var/log/containers/manila:/var/log/manila:z
+                  - /var/log/containers/httpd/manila-api:/var/log/httpd:z
+            environment:
+              KOLLA_CONFIG_STRATEGY: COPY_ALWAYS
       metadata_settings:
         get_attr: [ApacheServiceBase, role_data, metadata_settings]
       deploy_steps_tasks:

releasenotes/notes/manila-db-purge-811512391617216d.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    The ``manila_api_cron`` container has been introduced, which executes db
+    purge job for Manila service. Use ManilaCronDbPurge* parameters to override
+    cron parameters.