503 lines
20 KiB
Python
503 lines
20 KiB
Python
# Copyright 2016 IBM Corp.
|
|
#
|
|
# 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 mock
|
|
import oslo_messaging as messaging
|
|
from oslo_messaging.rpc import dispatcher
|
|
from oslo_serialization import jsonutils
|
|
import six
|
|
|
|
import nova.conf
|
|
from nova import context
|
|
from nova import rpc
|
|
from nova import test
|
|
|
|
CONF = nova.conf.CONF
|
|
|
|
|
|
class TestRPC(test.NoDBTestCase):
|
|
|
|
# We're testing the rpc code so we can't use the RPCFixture.
|
|
STUB_RPC = False
|
|
|
|
@mock.patch.object(rpc, 'TRANSPORT')
|
|
@mock.patch.object(rpc, 'NOTIFICATION_TRANSPORT')
|
|
@mock.patch.object(rpc, 'LEGACY_NOTIFIER')
|
|
@mock.patch.object(rpc, 'NOTIFIER')
|
|
@mock.patch.object(rpc, 'get_allowed_exmods')
|
|
@mock.patch.object(rpc, 'RequestContextSerializer')
|
|
@mock.patch.object(messaging, 'get_notification_transport')
|
|
@mock.patch.object(messaging, 'Notifier')
|
|
def _test_init(self, notification_format, expected_driver_topic_kwargs,
|
|
mock_notif, mock_noti_trans, mock_ser, mock_exmods,
|
|
mock_NOTIFIER, mock_LEGACY_NOTIFIER, mock_NOTIFICATION_TRANSPORT,
|
|
mock_TRANSPORT,
|
|
versioned_notifications_topics=None):
|
|
|
|
if not versioned_notifications_topics:
|
|
versioned_notifications_topics = ['versioned_notifications']
|
|
|
|
self.flags(
|
|
notification_format=notification_format,
|
|
versioned_notifications_topics=versioned_notifications_topics,
|
|
group='notifications')
|
|
|
|
legacy_notifier = mock.Mock()
|
|
notifier = mock.Mock()
|
|
notif_transport = mock.Mock()
|
|
transport = mock.Mock()
|
|
serializer = mock.Mock()
|
|
|
|
mock_exmods.return_value = ['foo']
|
|
mock_noti_trans.return_value = notif_transport
|
|
mock_ser.return_value = serializer
|
|
mock_notif.side_effect = [legacy_notifier, notifier]
|
|
|
|
with mock.patch.object(rpc, 'create_transport') as create_transport, \
|
|
mock.patch.object(rpc, 'get_transport_url') as get_url:
|
|
create_transport.return_value = transport
|
|
rpc.init(CONF)
|
|
create_transport.assert_called_once_with(get_url.return_value)
|
|
|
|
self.assertTrue(mock_exmods.called)
|
|
self.assertIsNotNone(mock_TRANSPORT)
|
|
self.assertIsNotNone(mock_LEGACY_NOTIFIER)
|
|
self.assertIsNotNone(mock_NOTIFIER)
|
|
self.assertEqual(legacy_notifier, rpc.LEGACY_NOTIFIER)
|
|
self.assertEqual(notifier, rpc.NOTIFIER)
|
|
|
|
expected_calls = []
|
|
for kwargs in expected_driver_topic_kwargs:
|
|
expected_kwargs = {'serializer': serializer}
|
|
expected_kwargs.update(kwargs)
|
|
expected_calls.append(((notif_transport,), expected_kwargs))
|
|
|
|
self.assertEqual(expected_calls, mock_notif.call_args_list,
|
|
"The calls to messaging.Notifier() did not create "
|
|
"the legacy and versioned notifiers properly.")
|
|
|
|
def test_init_unversioned(self):
|
|
# The expected call to get the legacy notifier will require no new
|
|
# kwargs, and we expect the new notifier will need the noop driver
|
|
expected_driver_topic_kwargs = [{}, {'driver': 'noop'}]
|
|
self._test_init('unversioned', expected_driver_topic_kwargs)
|
|
|
|
def test_init_both(self):
|
|
expected_driver_topic_kwargs = [
|
|
{},
|
|
{'topics': ['versioned_notifications']}]
|
|
self._test_init('both', expected_driver_topic_kwargs)
|
|
|
|
def test_init_versioned(self):
|
|
expected_driver_topic_kwargs = [
|
|
{'driver': 'noop'},
|
|
{'topics': ['versioned_notifications']}]
|
|
self._test_init('versioned', expected_driver_topic_kwargs)
|
|
|
|
def test_init_versioned_with_custom_topics(self):
|
|
expected_driver_topic_kwargs = [
|
|
{'driver': 'noop'},
|
|
{'topics': ['custom_topic1', 'custom_topic2']}]
|
|
versioned_notifications_topics = ['custom_topic1', 'custom_topic2']
|
|
self._test_init('versioned', expected_driver_topic_kwargs,
|
|
versioned_notifications_topics=versioned_notifications_topics)
|
|
|
|
@mock.patch.object(rpc, 'NOTIFICATION_TRANSPORT', new=mock.Mock())
|
|
@mock.patch.object(rpc, 'LEGACY_NOTIFIER', new=mock.Mock())
|
|
@mock.patch.object(rpc, 'NOTIFIER', new=mock.Mock())
|
|
def test_cleanup_transport_null(self):
|
|
"""Ensure cleanup fails if 'rpc.TRANSPORT' wasn't set."""
|
|
self.assertRaises(AssertionError, rpc.cleanup)
|
|
|
|
@mock.patch.object(rpc, 'TRANSPORT', new=mock.Mock())
|
|
@mock.patch.object(rpc, 'LEGACY_NOTIFIER', new=mock.Mock())
|
|
@mock.patch.object(rpc, 'NOTIFIER', new=mock.Mock())
|
|
def test_cleanup_notification_transport_null(self):
|
|
"""Ensure cleanup fails if 'rpc.NOTIFICATION_TRANSPORT' wasn't set."""
|
|
self.assertRaises(AssertionError, rpc.cleanup)
|
|
|
|
@mock.patch.object(rpc, 'TRANSPORT', new=mock.Mock())
|
|
@mock.patch.object(rpc, 'NOTIFICATION_TRANSPORT', new=mock.Mock())
|
|
@mock.patch.object(rpc, 'NOTIFIER', new=mock.Mock())
|
|
def test_cleanup_legacy_notifier_null(self):
|
|
"""Ensure cleanup fails if 'rpc.LEGACY_NOTIFIER' wasn't set."""
|
|
self.assertRaises(AssertionError, rpc.cleanup)
|
|
|
|
@mock.patch.object(rpc, 'TRANSPORT', new=mock.Mock())
|
|
@mock.patch.object(rpc, 'NOTIFICATION_TRANSPORT', new=mock.Mock())
|
|
@mock.patch.object(rpc, 'LEGACY_NOTIFIER', new=mock.Mock())
|
|
def test_cleanup_notifier_null(self):
|
|
"""Ensure cleanup fails if 'rpc.NOTIFIER' wasn't set."""
|
|
self.assertRaises(AssertionError, rpc.cleanup)
|
|
|
|
@mock.patch.object(rpc, 'TRANSPORT')
|
|
@mock.patch.object(rpc, 'NOTIFICATION_TRANSPORT')
|
|
@mock.patch.object(rpc, 'LEGACY_NOTIFIER')
|
|
@mock.patch.object(rpc, 'NOTIFIER')
|
|
def test_cleanup(self, mock_NOTIFIER, mock_LEGACY_NOTIFIER,
|
|
mock_NOTIFICATION_TRANSPORT, mock_TRANSPORT):
|
|
rpc.cleanup()
|
|
|
|
mock_TRANSPORT.cleanup.assert_called_once_with()
|
|
mock_NOTIFICATION_TRANSPORT.cleanup.assert_called_once_with()
|
|
|
|
self.assertIsNone(rpc.TRANSPORT)
|
|
self.assertIsNone(rpc.NOTIFICATION_TRANSPORT)
|
|
self.assertIsNone(rpc.LEGACY_NOTIFIER)
|
|
self.assertIsNone(rpc.NOTIFIER)
|
|
|
|
@mock.patch.object(messaging, 'set_transport_defaults')
|
|
def test_set_defaults(self, mock_set):
|
|
control_exchange = mock.Mock()
|
|
|
|
rpc.set_defaults(control_exchange)
|
|
|
|
mock_set.assert_called_once_with(control_exchange)
|
|
|
|
def test_add_extra_exmods(self):
|
|
extra_exmods = []
|
|
|
|
with mock.patch.object(
|
|
rpc, 'EXTRA_EXMODS', extra_exmods) as mock_EXTRA_EXMODS:
|
|
rpc.add_extra_exmods('foo', 'bar')
|
|
self.assertEqual(['foo', 'bar'], mock_EXTRA_EXMODS)
|
|
|
|
def test_clear_extra_exmods(self):
|
|
extra_exmods = ['foo', 'bar']
|
|
|
|
with mock.patch.object(
|
|
rpc, 'EXTRA_EXMODS', extra_exmods) as mock_EXTRA_EXMODS:
|
|
rpc.clear_extra_exmods()
|
|
self.assertEqual([], mock_EXTRA_EXMODS)
|
|
|
|
def test_get_allowed_exmods(self):
|
|
allowed_exmods = ['foo']
|
|
extra_exmods = ['bar']
|
|
|
|
with test.nested(
|
|
mock.patch.object(rpc, 'EXTRA_EXMODS', extra_exmods),
|
|
mock.patch.object(rpc, 'ALLOWED_EXMODS', allowed_exmods)
|
|
) as (mock_EXTRA_EXMODS, mock_ALLOWED_EXMODS):
|
|
exmods = rpc.get_allowed_exmods()
|
|
|
|
self.assertEqual(['foo', 'bar'], exmods)
|
|
|
|
@mock.patch.object(messaging, 'TransportURL')
|
|
def test_get_transport_url(self, mock_url):
|
|
mock_url.parse.return_value = 'foo'
|
|
|
|
url = rpc.get_transport_url(url_str='bar')
|
|
|
|
self.assertEqual('foo', url)
|
|
mock_url.parse.assert_called_once_with(rpc.CONF, 'bar')
|
|
|
|
@mock.patch.object(messaging, 'TransportURL')
|
|
def test_get_transport_url_null(self, mock_url):
|
|
mock_url.parse.return_value = 'foo'
|
|
|
|
url = rpc.get_transport_url()
|
|
|
|
self.assertEqual('foo', url)
|
|
mock_url.parse.assert_called_once_with(rpc.CONF, None)
|
|
|
|
@mock.patch.object(rpc, 'TRANSPORT')
|
|
@mock.patch.object(rpc, 'profiler', None)
|
|
@mock.patch.object(rpc, 'RequestContextSerializer')
|
|
@mock.patch.object(messaging, 'RPCClient')
|
|
def test_get_client(self, mock_client, mock_ser, mock_TRANSPORT):
|
|
tgt = mock.Mock()
|
|
ser = mock.Mock()
|
|
mock_client.return_value = 'client'
|
|
mock_ser.return_value = ser
|
|
|
|
client = rpc.get_client(tgt, version_cap='1.0', serializer='foo')
|
|
|
|
mock_ser.assert_called_once_with('foo')
|
|
mock_client.assert_called_once_with(mock_TRANSPORT,
|
|
tgt, version_cap='1.0',
|
|
call_monitor_timeout=None,
|
|
serializer=ser)
|
|
self.assertEqual('client', client)
|
|
|
|
@mock.patch.object(rpc, 'TRANSPORT')
|
|
@mock.patch.object(rpc, 'profiler', None)
|
|
@mock.patch.object(rpc, 'RequestContextSerializer')
|
|
@mock.patch.object(messaging, 'get_rpc_server')
|
|
def test_get_server(self, mock_get, mock_ser, mock_TRANSPORT):
|
|
ser = mock.Mock()
|
|
tgt = mock.Mock()
|
|
ends = mock.Mock()
|
|
mock_ser.return_value = ser
|
|
mock_get.return_value = 'server'
|
|
|
|
server = rpc.get_server(tgt, ends, serializer='foo')
|
|
|
|
mock_ser.assert_called_once_with('foo')
|
|
access_policy = dispatcher.DefaultRPCAccessPolicy
|
|
mock_get.assert_called_once_with(mock_TRANSPORT, tgt, ends,
|
|
executor='eventlet', serializer=ser,
|
|
access_policy=access_policy)
|
|
self.assertEqual('server', server)
|
|
|
|
@mock.patch.object(rpc, 'TRANSPORT')
|
|
@mock.patch.object(rpc, 'profiler', mock.Mock())
|
|
@mock.patch.object(rpc, 'ProfilerRequestContextSerializer')
|
|
@mock.patch.object(messaging, 'RPCClient')
|
|
def test_get_client_profiler_enabled(self, mock_client, mock_ser,
|
|
mock_TRANSPORT):
|
|
tgt = mock.Mock()
|
|
ser = mock.Mock()
|
|
mock_client.return_value = 'client'
|
|
mock_ser.return_value = ser
|
|
|
|
client = rpc.get_client(tgt, version_cap='1.0', serializer='foo')
|
|
|
|
mock_ser.assert_called_once_with('foo')
|
|
mock_client.assert_called_once_with(mock_TRANSPORT,
|
|
tgt, version_cap='1.0',
|
|
call_monitor_timeout=None,
|
|
serializer=ser)
|
|
self.assertEqual('client', client)
|
|
|
|
@mock.patch.object(rpc, 'TRANSPORT')
|
|
@mock.patch.object(rpc, 'profiler', mock.Mock())
|
|
@mock.patch.object(rpc, 'profiler', mock.Mock())
|
|
@mock.patch.object(rpc, 'ProfilerRequestContextSerializer')
|
|
@mock.patch.object(messaging, 'get_rpc_server')
|
|
def test_get_server_profiler_enabled(self, mock_get, mock_ser,
|
|
mock_TRANSPORT):
|
|
ser = mock.Mock()
|
|
tgt = mock.Mock()
|
|
ends = mock.Mock()
|
|
mock_ser.return_value = ser
|
|
mock_get.return_value = 'server'
|
|
|
|
server = rpc.get_server(tgt, ends, serializer='foo')
|
|
|
|
mock_ser.assert_called_once_with('foo')
|
|
access_policy = dispatcher.DefaultRPCAccessPolicy
|
|
mock_get.assert_called_once_with(mock_TRANSPORT, tgt, ends,
|
|
executor='eventlet', serializer=ser,
|
|
access_policy=access_policy)
|
|
self.assertEqual('server', server)
|
|
|
|
@mock.patch.object(rpc, 'LEGACY_NOTIFIER')
|
|
def test_get_notifier(self, mock_LEGACY_NOTIFIER):
|
|
mock_prep = mock.Mock()
|
|
mock_prep.return_value = 'notifier'
|
|
mock_LEGACY_NOTIFIER.prepare = mock_prep
|
|
|
|
notifier = rpc.get_notifier('service', publisher_id='foo')
|
|
|
|
mock_prep.assert_called_once_with(publisher_id='foo')
|
|
self.assertIsInstance(notifier, rpc.LegacyValidatingNotifier)
|
|
self.assertEqual('notifier', notifier.notifier)
|
|
|
|
@mock.patch.object(rpc, 'LEGACY_NOTIFIER')
|
|
def test_get_notifier_null_publisher(self, mock_LEGACY_NOTIFIER):
|
|
mock_prep = mock.Mock()
|
|
mock_prep.return_value = 'notifier'
|
|
mock_LEGACY_NOTIFIER.prepare = mock_prep
|
|
|
|
notifier = rpc.get_notifier('service', host='bar')
|
|
|
|
mock_prep.assert_called_once_with(publisher_id='service.bar')
|
|
self.assertIsInstance(notifier, rpc.LegacyValidatingNotifier)
|
|
self.assertEqual('notifier', notifier.notifier)
|
|
|
|
@mock.patch.object(rpc, 'NOTIFIER')
|
|
def test_get_versioned_notifier(self, mock_NOTIFIER):
|
|
mock_prep = mock.Mock()
|
|
mock_prep.return_value = 'notifier'
|
|
mock_NOTIFIER.prepare = mock_prep
|
|
|
|
notifier = rpc.get_versioned_notifier('service.foo')
|
|
|
|
mock_prep.assert_called_once_with(publisher_id='service.foo')
|
|
self.assertEqual('notifier', notifier)
|
|
|
|
@mock.patch.object(rpc, 'get_allowed_exmods')
|
|
@mock.patch.object(messaging, 'get_rpc_transport')
|
|
def test_create_transport(self, mock_transport, mock_exmods):
|
|
exmods = mock_exmods.return_value
|
|
transport = rpc.create_transport(mock.sentinel.url)
|
|
self.assertEqual(mock_transport.return_value, transport)
|
|
mock_exmods.assert_called_once_with()
|
|
mock_transport.assert_called_once_with(rpc.CONF,
|
|
url=mock.sentinel.url,
|
|
allowed_remote_exmods=exmods)
|
|
|
|
|
|
class TestJsonPayloadSerializer(test.NoDBTestCase):
|
|
def test_serialize_entity(self):
|
|
serializer = rpc.JsonPayloadSerializer()
|
|
with mock.patch.object(jsonutils, 'to_primitive') as mock_prim:
|
|
serializer.serialize_entity('context', 'entity')
|
|
|
|
mock_prim.assert_called_once_with('entity', convert_instances=True,
|
|
fallback=serializer.fallback)
|
|
|
|
def test_fallback(self):
|
|
# Convert RequestContext, should get a dict.
|
|
primitive = rpc.JsonPayloadSerializer.fallback(context.get_context())
|
|
self.assertIsInstance(primitive, dict)
|
|
# Convert anything else, should get a string.
|
|
primitive = rpc.JsonPayloadSerializer.fallback(mock.sentinel.entity)
|
|
self.assertIsInstance(primitive, six.text_type)
|
|
|
|
|
|
class TestRequestContextSerializer(test.NoDBTestCase):
|
|
def setUp(self):
|
|
super(TestRequestContextSerializer, self).setUp()
|
|
self.mock_base = mock.Mock()
|
|
self.ser = rpc.RequestContextSerializer(self.mock_base)
|
|
self.ser_null = rpc.RequestContextSerializer(None)
|
|
|
|
def test_serialize_entity(self):
|
|
self.mock_base.serialize_entity.return_value = 'foo'
|
|
|
|
ser_ent = self.ser.serialize_entity('context', 'entity')
|
|
|
|
self.mock_base.serialize_entity.assert_called_once_with('context',
|
|
'entity')
|
|
self.assertEqual('foo', ser_ent)
|
|
|
|
def test_serialize_entity_null_base(self):
|
|
ser_ent = self.ser_null.serialize_entity('context', 'entity')
|
|
|
|
self.assertEqual('entity', ser_ent)
|
|
|
|
def test_deserialize_entity(self):
|
|
self.mock_base.deserialize_entity.return_value = 'foo'
|
|
|
|
deser_ent = self.ser.deserialize_entity('context', 'entity')
|
|
|
|
self.mock_base.deserialize_entity.assert_called_once_with('context',
|
|
'entity')
|
|
self.assertEqual('foo', deser_ent)
|
|
|
|
def test_deserialize_entity_null_base(self):
|
|
deser_ent = self.ser_null.deserialize_entity('context', 'entity')
|
|
|
|
self.assertEqual('entity', deser_ent)
|
|
|
|
def test_serialize_context(self):
|
|
context = mock.Mock()
|
|
|
|
self.ser.serialize_context(context)
|
|
|
|
context.to_dict.assert_called_once_with()
|
|
|
|
@mock.patch.object(context, 'RequestContext')
|
|
def test_deserialize_context(self, mock_req):
|
|
self.ser.deserialize_context('context')
|
|
|
|
mock_req.from_dict.assert_called_once_with('context')
|
|
|
|
|
|
class TestProfilerRequestContextSerializer(test.NoDBTestCase):
|
|
def setUp(self):
|
|
super(TestProfilerRequestContextSerializer, self).setUp()
|
|
self.ser = rpc.ProfilerRequestContextSerializer(mock.Mock())
|
|
|
|
@mock.patch('nova.rpc.profiler')
|
|
def test_serialize_context(self, mock_profiler):
|
|
prof = mock_profiler.get.return_value
|
|
prof.hmac_key = 'swordfish'
|
|
prof.get_base_id.return_value = 'baseid'
|
|
prof.get_id.return_value = 'parentid'
|
|
|
|
context = mock.Mock()
|
|
context.to_dict.return_value = {'project_id': 'test'}
|
|
|
|
self.assertEqual({'project_id': 'test',
|
|
'trace_info': {
|
|
'hmac_key': 'swordfish',
|
|
'base_id': 'baseid',
|
|
'parent_id': 'parentid'}},
|
|
self.ser.serialize_context(context))
|
|
|
|
@mock.patch('nova.rpc.profiler')
|
|
def test_deserialize_context(self, mock_profiler):
|
|
serialized = {'project_id': 'test',
|
|
'trace_info': {
|
|
'hmac_key': 'swordfish',
|
|
'base_id': 'baseid',
|
|
'parent_id': 'parentid'}}
|
|
|
|
context = self.ser.deserialize_context(serialized)
|
|
|
|
self.assertEqual('test', context.project_id)
|
|
mock_profiler.init.assert_called_once_with(
|
|
hmac_key='swordfish', base_id='baseid', parent_id='parentid')
|
|
|
|
|
|
class TestClientRouter(test.NoDBTestCase):
|
|
@mock.patch('oslo_messaging.RPCClient')
|
|
def test_by_instance(self, mock_rpcclient):
|
|
default_client = mock.Mock()
|
|
cell_client = mock.Mock()
|
|
mock_rpcclient.return_value = cell_client
|
|
ctxt = mock.Mock()
|
|
ctxt.mq_connection = mock.sentinel.transport
|
|
|
|
router = rpc.ClientRouter(default_client)
|
|
client = router.client(ctxt)
|
|
|
|
# verify a client was created by ClientRouter
|
|
mock_rpcclient.assert_called_once_with(
|
|
mock.sentinel.transport, default_client.target,
|
|
version_cap=default_client.version_cap,
|
|
call_monitor_timeout=default_client.call_monitor_timeout,
|
|
serializer=default_client.serializer)
|
|
# verify cell client was returned
|
|
self.assertEqual(cell_client, client)
|
|
|
|
@mock.patch('oslo_messaging.RPCClient')
|
|
def test_by_instance_untargeted(self, mock_rpcclient):
|
|
default_client = mock.Mock()
|
|
cell_client = mock.Mock()
|
|
mock_rpcclient.return_value = cell_client
|
|
ctxt = mock.Mock()
|
|
ctxt.mq_connection = None
|
|
|
|
router = rpc.ClientRouter(default_client)
|
|
client = router.client(ctxt)
|
|
|
|
self.assertEqual(router.default_client, client)
|
|
self.assertFalse(mock_rpcclient.called)
|
|
|
|
|
|
class TestIsNotificationsEnabledDecorator(test.NoDBTestCase):
|
|
|
|
def setUp(self):
|
|
super(TestIsNotificationsEnabledDecorator, self).setUp()
|
|
self.f = mock.Mock()
|
|
self.f.__name__ = 'f'
|
|
self.decorated = rpc.if_notifications_enabled(self.f)
|
|
|
|
def test_call_func_if_needed(self):
|
|
self.decorated()
|
|
self.f.assert_called_once_with()
|
|
|
|
@mock.patch('nova.rpc.NOTIFIER.is_enabled', return_value=False)
|
|
def test_not_call_func_if_notifier_disabled(self, mock_is_enabled):
|
|
self.decorated()
|
|
self.assertEqual(0, len(self.f.mock_calls))
|
|
|
|
def test_not_call_func_if_only_unversioned_notifications_requested(self):
|
|
self.flags(notification_format='unversioned', group='notifications')
|
|
self.decorated()
|
|
self.assertEqual(0, len(self.f.mock_calls))
|