Example configurable cap add

Change-Id: Ib34130c15324f197eca275f97c18f24f17d8ced2

deployment/metrics/collectd-container-ansible.yaml

@@ -280,7 +280,11 @@ parameters:
     type: boolean
     description: Set to true if collectd should run the libpodstats plugin
     default: false
-
+  CollectdContainerAdditionalCapAdd:
+    type: comma_delimited_list
+    description: Additional container capabilities to add to the collectd container.
+                 By default is appended to IPC_LOCK.
+    default: []
   CollectdVars:
     default: {}
     description: Hash of collectd variables used to configure the collectd role.
@@ -391,7 +395,9 @@ outputs:
             user: root
             restart: always
             cap_add:
-              - IPC_LOCK
+              list_concat:
+                - {get_param: CollectdContainerAdditionalCapAdd}
+                - [IPC_LOCK]
             healthcheck:
               test: /openstack/healthcheck
             volumes:

deployment/metrics/collectd-container-puppet.yaml

@@ -395,6 +395,12 @@ parameters:
     type: boolean
     description: Set to true if collectd should run the libpodstats plugin
     default: false
+  CollectdContainerAdditionalCapAdd:
+    type: comma_delimited_list
+    description: Additional container capabilities to add to the collectd container.
+                 By default is appended to IPC_LOCK.
+    default: []
+
 
 conditions:
   amqp_connection:
@@ -713,7 +719,9 @@ outputs:
             restart: always
             mem_limit: 512m
             cap_add:
-              - IPC_LOCK
+              list_concat:
+                - {get_param: CollectdContainerAdditionalCapAdd}
+                - [IPC_LOCK]
             healthcheck:
               test: /openstack/healthcheck
             volumes: