Barbican add ability to use global logging.conf

Add ability to use global logging.conf template which can be
used in all openstack components which support oslo.log

Change-Id: I2867fcc83a54e005c65d6c5f4ed30933ba7abfa5
Related-Prod: PROD-21353
diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index fdfac1b..a2a73e4 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -4,6 +4,9 @@
 - service.barbican.support
 parameters:
   _param:
+    openstack_log_appender: false
+    openstack_fluentd_handler_enabled: false
+    openstack_ossyslog_handler_enabled: false
     keystone_barbican_endpoint_type: internalURL
     barbican_service_protocol: 'http'
   barbican:
@@ -13,6 +16,15 @@
       region: ${_param:openstack_region}
       host_href: "${_param:barbican_service_protocol}://${_param:single_address}:9311"
       is_proxied: false
+      logging:
+        log_appender: ${_param:openstack_log_appender}
+        log_handlers:
+          watchedfile:
+            enabled: true
+          fluentd:
+            enabled: ${_param:openstack_fluentd_handler_enabled}
+          ossyslog:
+            enabled: ${_param:openstack_ossyslog_handler_enabled}
       bind:
         address: ${_param:single_address}
         port: 9311