Add panko and gnocchi as default backend

Default publisher is disabled, because it is hardcoded
in service reclass and uses legacy backends, also database
section is cleaned, with gnocchi ceilometer shouldn't use
any database backends.

Other changes:
  - fixed typo in coordination config
  - added class for configuring polling

Change-Id: I50f73969ed33475703b9c459c7ab4ff9c60eeaeb
Related-Prod: https://mirantis.jira.com/browse/PROD-17731
diff --git a/ceilometer/agent/polling/default.yml b/ceilometer/agent/polling/default.yml
new file mode 100644
index 0000000..47b2d1d
--- /dev/null
+++ b/ceilometer/agent/polling/default.yml
@@ -0,0 +1,8 @@
+parameters:
+  ceilometer:
+    agent:
+      polling:
+        sources:
+          default_pollsters:
+            meters: ${_param:ceilometer_agent_default_polling_meters}
+            interval: ${_param:ceilometer_agent_default_polling_interval}
\ No newline at end of file
diff --git a/ceilometer/server/backend/default.yml b/ceilometer/server/backend/default.yml
new file mode 100644
index 0000000..8842e11
--- /dev/null
+++ b/ceilometer/server/backend/default.yml
@@ -0,0 +1,12 @@
+classes:
+- service.ceilometer.server.publisher.gnocchi
+- service.ceilometer.server.publisher.panko
+parameters:
+  # gnocchi and panko are default backends for Ceilometer since Pike
+  # they are incompatible with any legacy database publisher backends
+  ceilometer:
+    server:
+      database: ~
+      publisher:
+        default:
+          enabled: false
diff --git a/ceilometer/server/coordination/redis.yml b/ceilometer/server/coordination/redis.yml
index e013e0f..e8610f3 100644
--- a/ceilometer/server/coordination/redis.yml
+++ b/ceilometer/server/coordination/redis.yml
@@ -1,7 +1,7 @@
 classes:
 - service.redis.server.single
 parameters:
-  aodh:
+  ceilometer:
     server:
       coordination_backend:
         url:  redis://${_param:single_address}:6379/${_param:cluster_node01_address}