Implemented audit.create notification

In this changeset, I implemented the audit.create notification.

Change-Id: Ia092ca3a3dc951e3313a07f15a98aec5818e9ab0
Partially-Implements: blueprint audit-versioned-notifications-api

watcher/notifications/audit.py

@@ -82,6 +82,19 @@ class AuditStateUpdatePayload(notificationbase.NotificationPayloadBase):
     }
 
 
+@base.WatcherObjectRegistry.register_notification
+class AuditCreatePayload(AuditPayload):
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+    fields = {}
+
+    def __init__(self, audit, goal, strategy):
+        super(AuditCreatePayload, self).__init__(
+            audit=audit,
+            goal=goal,
+            strategy=strategy)
+
+
 @base.WatcherObjectRegistry.register_notification
 class AuditUpdatePayload(AuditPayload):
     # Version 1.0: Initial version
@@ -98,6 +111,29 @@ class AuditUpdatePayload(AuditPayload):
             strategy=strategy)
 
 
+# @notificationbase.notification_sample('audit-create.json')
+# @notificationbase.notification_sample('audit-delete.json')
+# @base.WatcherObjectRegistry.register_notification
+# class AuditActionNotification(notificationbase.NotificationBase):
+#     # Version 1.0: Initial version
+#     VERSION = '1.0'
+
+#     fields = {
+#         'payload': wfields.ObjectField('AuditActionPayload')
+#     }
+
+
+@notificationbase.notification_sample('audit-create.json')
+@base.WatcherObjectRegistry.register_notification
+class AuditCreateNotification(notificationbase.NotificationBase):
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'payload': wfields.ObjectField('AuditCreatePayload')
+    }
+
+
 @notificationbase.notification_sample('audit-update.json')
 @base.WatcherObjectRegistry.register_notification
 class AuditUpdateNotification(notificationbase.NotificationBase):
@@ -109,9 +145,7 @@ class AuditUpdateNotification(notificationbase.NotificationBase):
     }
 
 
-def send_update(context, audit, service='infra-optim',
-                host=None, old_state=None):
-    """Emit an audit.update notification."""
+def _get_common_payload(audit):
     goal = None
     strategy = None
     try:
@@ -128,6 +162,37 @@ def send_update(context, audit, service='infra-optim',
         strategy_payload = strategy_notifications.StrategyPayload(
             strategy=strategy)
 
+    return goal_payload, strategy_payload
+
+
+def send_create(context, audit, service='infra-optim', host=None):
+    """Emit an audit.create notification."""
+    goal_payload, strategy_payload = _get_common_payload(audit)
+
+    versioned_payload = AuditCreatePayload(
+        audit=audit,
+        goal=goal_payload,
+        strategy=strategy_payload,
+    )
+
+    notification = AuditCreateNotification(
+        priority=wfields.NotificationPriority.INFO,
+        event_type=notificationbase.EventType(
+            object='audit',
+            action=wfields.NotificationAction.CREATE),
+        publisher=notificationbase.NotificationPublisher(
+            host=host or CONF.host,
+            binary=service),
+        payload=versioned_payload)
+
+    notification.emit(context)
+
+
+def send_update(context, audit, service='infra-optim',
+                host=None, old_state=None):
+    """Emit an audit.update notification."""
+    goal_payload, strategy_payload = _get_common_payload(audit)
+
     state_update = AuditStateUpdatePayload(
         old_state=old_state,
         state=audit.state if old_state else None)

watcher/notifications/base.py

@@ -145,6 +145,12 @@ class NotificationBase(NotificationObject):
         'publisher': wfields.ObjectField('NotificationPublisher'),
     }
 
+    def save(self, context):
+        raise exception.UnsupportedError()
+
+    def obj_load_attr(self, attrname):
+        raise exception.UnsupportedError()
+
     def _should_notify(self):
         """Determine whether the notification should be sent.