Deduplicate aggregate notification samples

This patch refactors the sample files of aggregate-add_host,
aggregate-delete, aggregate-create and aggregate-remove_host
notifications to use a common AggregatePayload sample data.

Change-Id: I50382f4d829693412bbfe47ffd08a24e69342715

doc/notification_samples/aggregate-add_host-end.json

@@ -1,17 +1,9 @@
 {
     "priority": "INFO",
     "payload": {
-        "nova_object.version": "1.1",
+        "$ref": "common_payloads/AggregatePayload.json#",
-        "nova_object.namespace": "nova",
-        "nova_object.name": "AggregatePayload",
         "nova_object.data": {
-            "name": "my-aggregate",
+            "hosts": ["compute"]
-            "metadata": {
-                "availability_zone": "nova"
-            },
-            "hosts": ["compute"],
-            "id": 1,
-            "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80"
         }
     },
     "event_type": "aggregate.add_host.end",

doc/notification_samples/aggregate-add_host-start.json

@@ -1,18 +1,7 @@
 {
     "priority": "INFO",
     "payload": {
-        "nova_object.version": "1.1",
+        "$ref": "common_payloads/AggregatePayload.json#"
-        "nova_object.namespace": "nova",
-        "nova_object.name": "AggregatePayload",
-        "nova_object.data": {
-            "name": "my-aggregate",
-            "metadata": {
-                "availability_zone": "nova"
-            },
-            "hosts": [],
-            "id": 1,
-            "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80"
-        }
     },
     "event_type": "aggregate.add_host.start",
     "publisher_id": "nova-api:fake-mini"

doc/notification_samples/aggregate-create-end.json

@@ -1,18 +1,7 @@
 {
     "priority": "INFO",
     "payload": {
-        "nova_object.version": "1.1",
+        "$ref": "common_payloads/AggregatePayload.json#"
-        "nova_object.namespace": "nova",
-        "nova_object.name": "AggregatePayload",
-        "nova_object.data": {
-            "name": "my-aggregate",
-            "metadata": {
-                "availability_zone": "nova"
-            },
-            "hosts": [],
-            "id": 1,
-            "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80"
-        }
     },
     "event_type": "aggregate.create.end",
     "publisher_id": "nova-api:fake-mini"

doc/notification_samples/aggregate-create-start.json

@@ -1,17 +1,10 @@
 {
     "priority": "INFO",
     "payload": {
-        "nova_object.version": "1.1",
+        "$ref": "common_payloads/AggregatePayload.json#",
-        "nova_object.namespace": "nova",
-        "nova_object.name": "AggregatePayload",
         "nova_object.data": {
-            "name": "my-aggregate",
-            "metadata": {
-                "availability_zone": "nova"
-            },
             "hosts": null,
-            "id": null,
+            "id": null
-            "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80"
         }
     },
     "event_type": "aggregate.create.start",

doc/notification_samples/aggregate-delete-end.json

@@ -1,18 +1,7 @@
 {
     "priority": "INFO",
     "payload": {
-        "nova_object.version": "1.1",
+        "$ref": "common_payloads/AggregatePayload.json#"
-        "nova_object.namespace": "nova",
-        "nova_object.name": "AggregatePayload",
-        "nova_object.data": {
-            "name": "my-aggregate",
-            "metadata": {
-                "availability_zone": "nova"
-            },
-            "hosts": [],
-            "id": 1,
-            "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80"
-        }
     },
     "event_type": "aggregate.delete.end",
     "publisher_id": "nova-api:fake-mini"

doc/notification_samples/aggregate-delete-start.json

@@ -1,18 +1,7 @@
 {
     "priority": "INFO",
     "payload": {
-        "nova_object.version": "1.1",
+        "$ref": "common_payloads/AggregatePayload.json#"
-        "nova_object.namespace": "nova",
-        "nova_object.name": "AggregatePayload",
-        "nova_object.data": {
-            "name": "my-aggregate",
-            "metadata": {
-                "availability_zone": "nova"
-            },
-            "hosts": [],
-            "id": 1,
-            "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80"
-        }
     },
     "event_type": "aggregate.delete.start",
     "publisher_id": "nova-api:fake-mini"

doc/notification_samples/aggregate-remove_host-end.json

@@ -1,18 +1,7 @@
 {
     "priority": "INFO",
     "payload": {
-        "nova_object.version": "1.1",
+        "$ref": "common_payloads/AggregatePayload.json#"
-        "nova_object.namespace": "nova",
-        "nova_object.name": "AggregatePayload",
-        "nova_object.data": {
-            "name": "my-aggregate",
-            "metadata": {
-                "availability_zone": "nova"
-            },
-            "hosts": [],
-            "id": 1,
-            "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80"
-        }
     },
     "event_type": "aggregate.remove_host.end",
     "publisher_id": "nova-api:fake-mini"

doc/notification_samples/aggregate-remove_host-start.json

@@ -1,17 +1,9 @@
 {
     "priority": "INFO",
     "payload": {
-        "nova_object.version": "1.1",
+        "$ref": "common_payloads/AggregatePayload.json#",
-        "nova_object.namespace": "nova",
-        "nova_object.name": "AggregatePayload",
         "nova_object.data": {
-            "name": "my-aggregate",
+            "hosts": ["compute"]
-            "metadata": {
-                "availability_zone": "nova"
-            },
-            "hosts": ["compute"],
-            "id": 1,
-            "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80"
         }
     },
     "event_type": "aggregate.remove_host.start",

doc/notification_samples/common_payloads/AggregatePayload.json

@@ -0,0 +1,14 @@
+{
+    "nova_object.version": "1.1",
+    "nova_object.namespace": "nova",
+    "nova_object.name": "AggregatePayload",
+    "nova_object.data": {
+        "name": "my-aggregate",
+        "metadata": {
+            "availability_zone": "nova"
+        },
+        "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80",
+        "hosts": [],
+        "id": 1
+    }
+}