¡@
OpenStack Study: fake_notifier.py**** CubicPower OpenStack Study ****
# Copyright 2014 Red Hat, Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import collections import functools import anyjson from oslo import messaging from cinder import rpc NOTIFICATIONS = []
**** CubicPower OpenStack Study **** def reset(): del NOTIFICATIONS[:] FakeMessage = collections.namedtuple('Message', ['publisher_id', 'priority', 'event_type', 'payload'])
**** CubicPower OpenStack Study **** class FakeNotifier(object):
**** CubicPower OpenStack Study **** def __init__(self, transport, publisher_id, serializer=None): self.transport = transport self.publisher_id = publisher_id for priority in ['debug', 'info', 'warn', 'error', 'critical']: setattr(self, priority, functools.partial(self._notify, priority.upper())) self._serializer = serializer or messaging.serializer.NoOpSerializer()
**** CubicPower OpenStack Study **** def prepare(self, publisher_id=None): if publisher_id is None: publisher_id = self.publisher_id return self.__class__(self.transport, publisher_id, self._serializer)
**** CubicPower OpenStack Study **** def _notify(self, priority, ctxt, event_type, payload): payload = self._serializer.serialize_entity(ctxt, payload) # NOTE(sileht): simulate the kombu serializer # this permit to raise an exception if something have not # been serialized correctly anyjson.serialize(payload) msg = dict(publisher_id=self.publisher_id, priority=priority, event_type=event_type, payload=payload) NOTIFICATIONS.append(msg) def stub_notifier(stubs): stubs.Set(messaging, 'Notifier', FakeNotifier) if rpc.NOTIFIER: serializer = getattr(rpc.NOTIFIER, '_serializer', None) stubs.Set(rpc, 'NOTIFIER', FakeNotifier(rpc.NOTIFIER.transport, rpc.NOTIFIER.publisher_id, serializer=serializer))
**** CubicPower OpenStack Study **** def stub_notifier(stubs): stubs.Set(messaging, 'Notifier', FakeNotifier) if rpc.NOTIFIER: serializer = getattr(rpc.NOTIFIER, '_serializer', None) stubs.Set(rpc, 'NOTIFIER', FakeNotifier(rpc.NOTIFIER.transport, rpc.NOTIFIER.publisher_id, serializer=serializer))
|