neutron/neutron/tests/unit/ml2/test_rpcapi.py

302 lines
13 KiB
Python

# Copyright (c) 2013 OpenStack Foundation
# All Rights Reserved.
#
# 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.
"""
Unit Tests for ml2 rpc
"""
import collections
import contextlib
import mock
from oslo_context import context as oslo_context
from sqlalchemy.orm import exc
from neutron.agent import rpc as agent_rpc
from neutron.common import constants
from neutron.common import exceptions
from neutron.common import topics
from neutron.plugins.ml2.drivers import type_tunnel
from neutron.plugins.ml2 import managers
from neutron.plugins.ml2 import rpc as plugin_rpc
from neutron.tests import base
class RpcCallbacksTestCase(base.BaseTestCase):
def setUp(self):
super(RpcCallbacksTestCase, self).setUp()
self.type_manager = managers.TypeManager()
self.notifier = plugin_rpc.AgentNotifierApi(topics.AGENT)
self.callbacks = plugin_rpc.RpcCallbacks(self.notifier,
self.type_manager)
self.manager = mock.patch.object(
plugin_rpc.manager, 'NeutronManager').start()
self.l3plugin = mock.Mock()
self.manager.get_service_plugins.return_value = {
'L3_ROUTER_NAT': self.l3plugin
}
self.plugin = self.manager.get_plugin()
def _test_update_device_up(self, extensions, kwargs):
with mock.patch('neutron.plugins.ml2.plugin.Ml2Plugin'
'._device_to_port_id'):
type(self.l3plugin).supported_extension_aliases = (
mock.PropertyMock(return_value=extensions))
self.callbacks.update_device_up(mock.ANY, **kwargs)
def test_update_device_up_without_dvr(self):
kwargs = {
'agent_id': 'foo_agent',
'device': 'foo_device'
}
self._test_update_device_up(['router'], kwargs)
self.assertFalse(self.l3plugin.dvr_vmarp_table_update.call_count)
def test_update_device_up_with_dvr(self):
kwargs = {
'agent_id': 'foo_agent',
'device': 'foo_device'
}
self._test_update_device_up(['router', 'dvr'], kwargs)
self.l3plugin.dvr_vmarp_table_update.assert_called_once_with(
mock.ANY, mock.ANY, 'add')
def test_update_device_up_with_dvr_when_port_not_found(self):
kwargs = {
'agent_id': 'foo_agent',
'device': 'foo_device'
}
self.l3plugin.dvr_vmarp_table_update.side_effect = (
exceptions.PortNotFound(port_id='foo_port_id'))
self._test_update_device_up(['router', 'dvr'], kwargs)
self.assertTrue(self.l3plugin.dvr_vmarp_table_update.call_count)
def test_get_device_details_without_port_context(self):
self.plugin.get_bound_port_context.return_value = None
self.assertEqual(
{'device': 'fake_device'},
self.callbacks.get_device_details('fake_context',
device='fake_device'))
def test_get_device_details_port_context_without_bounded_segment(self):
self.plugin.get_bound_port_context().bottom_bound_segment = None
self.assertEqual(
{'device': 'fake_device'},
self.callbacks.get_device_details('fake_context',
device='fake_device'))
def test_get_device_details_port_status_equal_new_status(self):
port = collections.defaultdict(lambda: 'fake')
self.plugin.get_bound_port_context().current = port
for admin_state_up in (True, False):
new_status = (constants.PORT_STATUS_BUILD if admin_state_up
else constants.PORT_STATUS_DOWN)
for status in (constants.PORT_STATUS_ACTIVE,
constants.PORT_STATUS_BUILD,
constants.PORT_STATUS_DOWN,
constants.PORT_STATUS_ERROR):
port['admin_state_up'] = admin_state_up
port['status'] = status
self.plugin.update_port_status.reset_mock()
self.callbacks.get_device_details('fake_context',
host='fake_host')
self.assertEqual(status == new_status,
not self.plugin.update_port_status.called)
def test_get_devices_details_list(self):
devices = [1, 2, 3, 4, 5]
kwargs = {'host': 'fake_host', 'agent_id': 'fake_agent_id'}
with mock.patch.object(self.callbacks, 'get_device_details',
side_effect=devices) as f:
res = self.callbacks.get_devices_details_list('fake_context',
devices=devices,
**kwargs)
self.assertEqual(devices, res)
self.assertEqual(len(devices), f.call_count)
calls = [mock.call('fake_context', device=i, **kwargs)
for i in devices]
f.assert_has_calls(calls)
def test_get_devices_details_list_with_empty_devices(self):
with mock.patch.object(self.callbacks, 'get_device_details') as f:
res = self.callbacks.get_devices_details_list('fake_context')
self.assertFalse(f.called)
self.assertEqual([], res)
def _test_update_device_not_bound_to_host(self, func):
self.plugin.port_bound_to_host.return_value = False
self.plugin._device_to_port_id.return_value = 'fake_port_id'
res = func('fake_context', device='fake_device', host='fake_host')
self.plugin.port_bound_to_host.assert_called_once_with('fake_context',
'fake_port_id',
'fake_host')
return res
def test_update_device_up_with_device_not_bound_to_host(self):
self.assertIsNone(self._test_update_device_not_bound_to_host(
self.callbacks.update_device_up))
def test_update_device_down_with_device_not_bound_to_host(self):
self.assertEqual(
{'device': 'fake_device', 'exists': True},
self._test_update_device_not_bound_to_host(
self.callbacks.update_device_down))
def test_update_device_down_call_update_port_status(self):
self.plugin.update_port_status.return_value = False
self.plugin._device_to_port_id.return_value = 'fake_port_id'
self.assertEqual(
{'device': 'fake_device', 'exists': False},
self.callbacks.update_device_down('fake_context',
device='fake_device',
host='fake_host'))
self.plugin.update_port_status.assert_called_once_with(
'fake_context', 'fake_port_id', constants.PORT_STATUS_DOWN,
'fake_host')
def test_update_device_down_call_update_port_status_failed(self):
self.plugin.update_port_status.side_effect = exc.StaleDataError
self.assertEqual({'device': 'fake_device', 'exists': False},
self.callbacks.update_device_down(
'fake_context', device='fake_device'))
class RpcApiTestCase(base.BaseTestCase):
def _test_rpc_api(self, rpcapi, topic, method, rpc_method, **kwargs):
ctxt = oslo_context.RequestContext('fake_user', 'fake_project')
expected_retval = 'foo' if rpc_method == 'call' else None
expected_version = kwargs.pop('version', None)
fanout = kwargs.pop('fanout', False)
with contextlib.nested(
mock.patch.object(rpcapi.client, rpc_method),
mock.patch.object(rpcapi.client, 'prepare'),
) as (
rpc_mock, prepare_mock
):
prepare_mock.return_value = rpcapi.client
rpc_mock.return_value = expected_retval
retval = getattr(rpcapi, method)(ctxt, **kwargs)
prepare_args = {}
if expected_version:
prepare_args['version'] = expected_version
if fanout:
prepare_args['fanout'] = fanout
if topic:
prepare_args['topic'] = topic
prepare_mock.assert_called_once_with(**prepare_args)
self.assertEqual(retval, expected_retval)
rpc_mock.assert_called_once_with(ctxt, method, **kwargs)
def test_delete_network(self):
rpcapi = plugin_rpc.AgentNotifierApi(topics.AGENT)
self._test_rpc_api(
rpcapi,
topics.get_topic_name(topics.AGENT,
topics.NETWORK,
topics.DELETE),
'network_delete', rpc_method='cast',
fanout=True, network_id='fake_request_spec')
def test_port_update(self):
rpcapi = plugin_rpc.AgentNotifierApi(topics.AGENT)
self._test_rpc_api(
rpcapi,
topics.get_topic_name(topics.AGENT,
topics.PORT,
topics.UPDATE),
'port_update', rpc_method='cast',
fanout=True, port='fake_port',
network_type='fake_network_type',
segmentation_id='fake_segmentation_id',
physical_network='fake_physical_network')
def test_port_delete(self):
rpcapi = plugin_rpc.AgentNotifierApi(topics.AGENT)
self._test_rpc_api(
rpcapi,
topics.get_topic_name(topics.AGENT,
topics.PORT,
topics.DELETE),
'port_delete', rpc_method='cast',
fanout=True, port_id='fake_port')
def test_tunnel_update(self):
rpcapi = plugin_rpc.AgentNotifierApi(topics.AGENT)
self._test_rpc_api(
rpcapi,
topics.get_topic_name(topics.AGENT,
type_tunnel.TUNNEL,
topics.UPDATE),
'tunnel_update', rpc_method='cast',
fanout=True,
tunnel_ip='fake_ip', tunnel_type='gre')
def test_tunnel_delete(self):
rpcapi = plugin_rpc.AgentNotifierApi(topics.AGENT)
self._test_rpc_api(
rpcapi,
topics.get_topic_name(topics.AGENT,
type_tunnel.TUNNEL,
topics.DELETE),
'tunnel_delete', rpc_method='cast',
fanout=True,
tunnel_ip='fake_ip', tunnel_type='gre')
def test_device_details(self):
rpcapi = agent_rpc.PluginApi(topics.PLUGIN)
self._test_rpc_api(rpcapi, None,
'get_device_details', rpc_method='call',
device='fake_device',
agent_id='fake_agent_id',
host='fake_host')
def test_devices_details_list(self):
rpcapi = agent_rpc.PluginApi(topics.PLUGIN)
self._test_rpc_api(rpcapi, None,
'get_devices_details_list', rpc_method='call',
devices=['fake_device1', 'fake_device2'],
agent_id='fake_agent_id', host='fake_host',
version='1.3')
def test_update_device_down(self):
rpcapi = agent_rpc.PluginApi(topics.PLUGIN)
self._test_rpc_api(rpcapi, None,
'update_device_down', rpc_method='call',
device='fake_device',
agent_id='fake_agent_id',
host='fake_host')
def test_tunnel_sync(self):
rpcapi = agent_rpc.PluginApi(topics.PLUGIN)
self._test_rpc_api(rpcapi, None,
'tunnel_sync', rpc_method='call',
tunnel_ip='fake_tunnel_ip',
tunnel_type=None,
host='fake_host',
version='1.4')
def test_update_device_up(self):
rpcapi = agent_rpc.PluginApi(topics.PLUGIN)
self._test_rpc_api(rpcapi, None,
'update_device_up', rpc_method='call',
device='fake_device',
agent_id='fake_agent_id',
host='fake_host')