Add share create/delete/expand/shrink meters

Partially-Implements: blueprint manila-meters

Change-Id: Iaeb1e1ffc2b9c5f6e93f68f8b319066335781377

ceilometer/data/meters.d/meters.yaml

@@ -338,3 +338,22 @@ metric:
       service_id: $.payload.service_id
       instance_type: $.payload.instance_type
       instance_type_id: $.payload.instance_type_id
+
+  # Manila
+  - name: 'manila.share.size'
+    event_type:
+      - 'share.create.*'
+      - 'share.delete.*'
+      - 'share.extend.*'
+      - 'share.shrink.*'
+    type: 'gauge'
+    unit: 'GB'
+    volume: $.payload.size
+    user_id: $.payload.user_id
+    project_id: $.payload.project_id
+    resource_id: $.payload.share_id
+    metadata:
+      name: $.payload.name
+      host: $.payload.host
+      availability_zone: $.payload.availability_zone
+      status: $.payload.status

ceilometer/dispatcher/data/gnocchi_resources.yaml

@@ -235,3 +235,12 @@ resources:
       - 'compute.node.cpu.user.time'
     attributes:
       host_name: resource_metadata.host
+
+  - resource_type: manila_share
+    metrics:
+      - 'manila.share.size'
+    attributes:
+      name: resource_metadata.name
+      host: resource_metadata.host
+      availability_zone: resource_metadata.availability_zone
+      status: resource_metadata.status

ceilometer/gnocchi_client.py

@@ -126,6 +126,22 @@ resources_update_operations = [
      "data": [{
          "attributes": {"host_name": {"type": "string", "min_length": 0,
                         "max_length": 255, "required": True}}
+     }]},
+    {"desc": "add manila share type",
+     "type": "create_resource_type",
+     "resource_type": "manila_share",
+     "data": [{
+         "attributes": {"name": {"type": "string", "min_length": 0,
+                                 "max_length": 255, "required": True},
+                        "host": {"type": "string", "min_length": 0,
+                                 "max_length": 255, "required": True},
+                        "availability_zone": {"type": "string",
+                                              "min_length": 0,
+                                              "max_length": 255,
+                                              "required": True},
+                        "status": {"type": "string", "min_length": 0,
+                                   "max_length": 255,
+                                   "required": True}}
      }]}
 ]