collectd: add support for mcelog service

Adding a new parameter, CollectdEnableMcelog (False by default) is set
to True, a new host prep task will include the new
"tripleo_provision_mcelog" role to configure the mcelog service on the
host where the collectd container is running.

Depends-On: https://review.opendev.org/730409

Change-Id: Ia2280092abb0d769a92994ad337ed2b583f54175

deployment/metrics/collectd-container-puppet.yaml

@@ -377,6 +377,10 @@ parameters:
     type: boolean
     description: Set to true to enable configuration for STF client.
     default: false
+  CollectdEnableMcelog:
+    type: boolean
+    description: Set to true to enable mcelog
+    default: false
 
 conditions:
   amqp_connection:
@@ -732,6 +736,10 @@ outputs:
             mode: "{{ item.mode }}"
           with_items:
             - { 'path': /var/log/containers/collectd, 'setype': container_file_t, 'mode': '0750' }
+        - name: import provision_mcelog
+          import_role:
+            name: tripleo_provision_mcelog
+          when: {get_param: CollectdEnableMcelog}
       fast_forward_upgrade_tasks:
         - when:
             - step|int == 0