Add Gnocchi and Panko support

- added ability to configure polling_interval
- added panko, gnocchi publishers
- added ability to disable publishers
- parametrized pipelines
- added possibility to create resources in gnocchi

Change-Id: Id0f934def308d005d93378516d03184fa5418a8c
Related-Prod: https://mirantis.jira.com/browse/PROD-17718
diff --git a/metadata/service/server/publisher/gnocchi.yml b/metadata/service/server/publisher/gnocchi.yml
new file mode 100644
index 0000000..4850143
--- /dev/null
+++ b/metadata/service/server/publisher/gnocchi.yml
@@ -0,0 +1,15 @@
+parameters:
+  _param:
+     ceilometer_create_gnocchi_resources: false
+     ceilometer_gnocchi_filter_project: service
+     ceilometer_gnocchi_archive_policy: medium
+  ceilometer:
+    server:
+      publisher:
+        gnocchi:
+          enabled: true
+          url: gnocchi://
+          publish_metric: true
+          archive_policy: ${_param:ceilometer_gnocchi_archive_policy}
+          filter_project: ${_param:ceilometer_gnocchi_filter_project}
+          create_resources: ${_param:ceilometer_create_gnocchi_resources}