Add new attributes to instance

This change adds launched_at/started_at/deleted_at attribute to instance.

Rely on started_at/ended_at of Gnocchi to known when the operation have
done is not precise. Nova records the exact time of this event, just
copy them to Gnocchi.

Change-Id: If7870fd525d1ef58e4c2dbbbf93525bab3623b0f

ceilometer/data/meters.d/meters.yaml

@@ -195,6 +195,9 @@ metric:
       flavor_name: $.payload.instance_type
       display_name: $.payload.display_name
       image_ref: $.payload.image_meta.base_image_ref
+      launched_at: $.payload.launched_at
+      created_at: $.payload.created_at
+      deleted_at: $.payload.deleted_at
 
   - name: 'vcpus'
     event_type: *instance_events

ceilometer/gnocchi_client.py

@@ -204,11 +204,22 @@ resources_update_operations = [
          "attributes": {"node": {"type": "string", "min_length": 0,
                                  "max_length": 255, "required": True}}
      }]},
+    {"desc": "add launched_at to instance",
+     "type": "update_attribute_type",
+     "resource_type": "instance",
+     "data": [
+         {"op": "add", "path": "/attributes/launched_at",
+          "value": {"type": "datetime", "required": False}},
+         {"op": "add", "path": "/attributes/created_at",
+          "value": {"type": "datetime", "required": False}},
+         {"op": "add", "path": "/attributes/deleted_at",
+          "value": {"type": "datetime", "required": False}},
+     ]},
 ]
 
 # NOTE(sileht): We use LooseVersion because pbr can generate invalid
 # StrictVersion like 9.0.1.dev226
-REQUIRED_VERSION = version.LooseVersion("4.0.0")
+REQUIRED_VERSION = version.LooseVersion("4.2.0")
 
 
 def upgrade_resource_types(conf):

ceilometer/publisher/data/gnocchi_resources.yaml

@@ -69,6 +69,9 @@ resources:
     attributes:
       host: resource_metadata.(instance_host|host)
       image_ref: resource_metadata.image_ref
+      launched_at: resource_metadata.launched_at
+      created_at: resource_metadata.created_at
+      deleted_at: resource_metadata.deleted_at
       display_name: resource_metadata.display_name
       flavor_id: resource_metadata.(instance_flavor_id|(flavor.id)|flavor_id)
       flavor_name: resource_metadata.(instance_type|(flavor.name)|flavor_name)

releasenotes/notes/instance-record-launched-created-deleted-d7f44df3bbcf0790.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    `launched_at`/`created_at`/`deleted_at` of Nova instances are now tracked.