Review changes and merge from trunk

This commit is contained in:
Cerberus
2011-05-16 10:54:02 -05:00
11 changed files with 80 additions and 50 deletions

View File

@@ -37,7 +37,7 @@ class BadPriorityException(Exception):
pass
def notify(event_name, publisher_id, event_type, priority, payload):
def notify(event_name, publisher_id, event_type, priority, message):
"""
Sends a notification using the specified driver
@@ -49,11 +49,11 @@ def notify(event_name, publisher_id, event_type, priority, payload):
event_type - the literal type of event (ex. Instance Creation)
priority - patterned after the enumeration of Python logging levels in
the set (DEBUG, WARN, INFO, ERROR, CRITICAL)
payload - A python dictionary of attributes
message - A python dictionary of attributes
The message body will be constructed as a dictionary of the above
attributes, and converted into a JSON dump, which will then be sent
via the transport mechanism defined by the driver.
The message payload will be constructed as a dictionary of the above
attributes, which will then be sent via the transport mechanism defined
by the driver.
Message example:
@@ -62,16 +62,17 @@ def notify(event_name, publisher_id, event_type, priority, payload):
'timestamp': datetime.datetime.utcnow(),
'priority': 'WARN',
'event_type': 'compute.create_instance',
'payload': {'instance_id': 12, ... }}
'message': {'instance_id': 12, ... }}
"""
if priority not in log_levels:
raise BadPriorityException('%s not in valid priorities' % priority)
raise BadPriorityException(
_('%s not in valid priorities' % priority))
driver = utils.import_class(FLAGS.notification_driver)()
message = dict(message_id=str(uuid.uuid4()),
msg = dict(message_id=str(uuid.uuid4()),
publisher_id=publisher_id,
event_type=event_type,
priority=priority,
payload=payload,
message=message,
timestamp=str(datetime.datetime.utcnow()))
driver.notify(message)
driver.notify(msg)

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@@ -22,13 +22,13 @@ FLAGS = flags.FLAGS
class LogNotifier(object):
""" log notifications using nova's default logging system """
"""Log notifications using nova's default logging system"""
def notify(self, payload):
def notify(self, message):
"""Notifies the recipient of the desired event given the model"""
priority = payload.get('priority',
priority = message.get('priority',
FLAGS.default_notification_level)
priority = priority.lower()
logger = logging.getLogger(
'nova.notification.%s' % payload['event_type'])
getattr(logger, priority)(json.dumps(payload))
'nova.notification.%s' % message['event_type'])
getattr(logger, priority)(json.dumps(message))

View File

@@ -17,6 +17,6 @@
class NoopNotifier(object):
"""A notifier that doesn't actually do anything. Simply a placeholder"""
def notify(self, payload):
def notify(self, message):
"""Notifies the recipient of the desired event given the model"""
pass

View File

@@ -28,11 +28,11 @@ flags.DEFINE_string('notification_topic', 'notifications',
class RabbitNotifier(object):
"""Sends notifications to a specific RabbitMQ server and topic"""
def notify(self, payload):
def notify(self, message):
"""Sends a notification to the RabbitMQ"""
context = nova.context.get_admin_context()
priority = payload.get('priority',
priority = message.get('priority',
FLAGS.default_notification_level)
priority = priority.lower()
topic = '%s.%s' % (FLAGS.notification_topic, priority)
rpc.cast(context, topic, payload)
rpc.cast(context, topic, message)