openstack/oslo.messaging
Code Issues Proposed changes

Add serializer support to notifier

Browse Source 
The notifier in oslo-incubator does:

  payload = jsonutils.to_primitive(payload, convert_instances=True)

Using the serializer abstraction should be a more general was of
supporting this.
This commit is contained in:
Mark McLoughlin 2013-06-23 14:11:59 +01:00
parent f17f00ba88
commit cfeaf2a292
1 changed files with 8 additions and 1 deletions

9
oslo/messaging/notify/notifier.py

@ -24,6 +24,7 @@ from stevedore import named
from oslo import messaging
from oslo.messaging.openstack.common import timeutils
from oslo.messaging.openstack.common import uuidutils
from oslo.messaging import serializer as msg_serializer
_notifier_opts = [
cfg.MultiStrOpt('notification_driver',
@ -89,7 +90,8 @@ class Notifier(object):
"""
def __init__(self, conf, publisher_id,
driver=None, topic=None, transport=None):
driver=None, topic=None,
transport=None, serializer=None):
"""Construct a Notifier object.
:param conf: user configuration, used for e.g. notification_driver
@ -102,6 +104,8 @@ class Notifier(object):
:type topic: str
:param transport: the transport to use for sending messages
:type transport: oslo.messaging.Transport
:param serializer: an optional entity serializer
:type serializer: Serializer
"""
self.conf = conf
self.conf.register_opts(_notifier_opts)
@ -114,6 +118,7 @@ class Notifier(object):
self._topics = ([topic] if topic is not None
else conf.notification_topics)
self._transport = transport or messaging.get_transport(conf)
self._serializer = serializer or msg_serializer.NoOpSerializer()
self._driver_mgr = named.NamedExtensionManager(
'oslo.messaging.notify.drivers',
@ -127,6 +132,8 @@ class Notifier(object):
)
def _notify(self, ctxt, event_type, payload, priority):
payload = self._serializer.serialize_entity(ctxt, payload)
msg = dict(message_id=uuidutils.generate_uuid(),
publisher_id=self.publisher_id,
event_type=event_type,