OpenStack Networking (Neutron)
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# 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
from unittest import mock
from neutron_lib.agent import topics
from neutron_lib.api.definitions import portbindings
from neutron_lib.callbacks import resources
from neutron_lib import constants
from neutron_lib.plugins import constants as plugin_constants
from neutron_lib.plugins import directory
from neutron_lib.services.qos import constants as qos_consts
from oslo_config import cfg
from oslo_context import context as oslo_context
from sqlalchemy.orm import exc
from neutron.agent import rpc as agent_rpc
from neutron.db import provisioning_blocks
from neutron.plugins.ml2 import db as ml2_db
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
cfg.CONF.import_group('ml2', 'neutron.conf.plugins.ml2.config')
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.plugin = mock.MagicMock()
directory.add_plugin(plugin_constants.CORE, self.plugin)
def _test_update_device_up(self, host=None):
kwargs = {
'agent_id': 'foo_agent',
'device': 'foo_device',
'host': host
}
with mock.patch('neutron.plugins.ml2.plugin.Ml2Plugin'
'._device_to_port_id'),\
mock.patch.object(self.callbacks, 'notify_l2pop_port_wiring'):
with mock.patch('neutron.db.provisioning_blocks.'
'provisioning_complete') as pc:
self.callbacks.update_device_up(mock.Mock(), **kwargs)
return pc
def test_update_device_up_notify(self):
notify = self._test_update_device_up()
notify.assert_called_once_with(mock.ANY, mock.ANY, resources.PORT,
provisioning_blocks.L2_AGENT_ENTITY)
def test_update_device_up_notify_not_sent_with_port_not_found(self):
self.plugin.port_bound_to_host.return_value = False
notify = self._test_update_device_up('host')
self.assertFalse(notify.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(mock.Mock(),
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(mock.Mock(),
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
self.plugin.port_bound_to_host = 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(mock.Mock())
self.assertEqual(status == new_status,
not self.plugin.update_port_status.called)
def test_get_device_details_caching(self):
port = collections.defaultdict(lambda: 'fake_port')
cached_networks = {}
self.plugin.get_bound_port_context().current = port
self.plugin.get_bound_port_context().network.current = (
{"id": "fake_network"})
self.callbacks.get_device_details(mock.Mock(), host='fake_host',
cached_networks=cached_networks)
self.assertIn('fake_port', cached_networks)
def test_get_device_details_wrong_host(self):
port = collections.defaultdict(lambda: 'fake')
port_context = self.plugin.get_bound_port_context()
port_context.current = port
port_context.host = 'fake'
self.plugin.update_port_status.reset_mock()
self.callbacks.get_device_details(mock.Mock(),
host='fake_host')
self.assertFalse(self.plugin.update_port_status.called)
def test_get_device_details_port_no_host(self):
port = collections.defaultdict(lambda: 'fake')
port_context = self.plugin.get_bound_port_context()
port_context.current = port
self.plugin.update_port_status.reset_mock()
self.callbacks.get_device_details(mock.Mock())
self.assertTrue(self.plugin.update_port_status.called)
def test_get_device_details_qos_policy_id_none(self):
port = collections.defaultdict(lambda: 'fake_port')
self.plugin.get_bound_port_context().current = port
self.plugin.get_bound_port_context().network._network = (
{"id": "fake_network"})
res = self.callbacks.get_device_details(mock.Mock(), host='fake')
self.assertIsNone(res['qos_policy_id'])
def test_get_device_details_network_qos_policy_id(self):
port = collections.defaultdict(lambda: 'fake_port')
self.plugin.get_bound_port_context().current = port
self.plugin.get_bound_port_context().network._network = (
{"id": "fake_network",
qos_consts.QOS_POLICY_ID: 'test-policy-id'})
res = self.callbacks.get_device_details(mock.Mock(), host='fake')
self.assertEqual('test-policy-id', res['network_qos_policy_id'])
def test_get_device_details_port_no_active_in_host(self):
port = collections.defaultdict(lambda: 'fake_port')
self.plugin.get_bound_port_context().current = port
port['device_owner'] = constants.DEVICE_OWNER_COMPUTE_PREFIX
port[portbindings.HOST_ID] = 'other-host'
res = self.callbacks.get_device_details(mock.Mock(), host='host')
self.assertIn(constants.NO_ACTIVE_BINDING, res)
def test_get_device_details_qos_policy_id_from_port(self):
port = collections.defaultdict(
lambda: 'fake_port',
{qos_consts.QOS_POLICY_ID: 'test-port-policy-id'})
self.plugin.get_bound_port_context().current = port
self.plugin.get_bound_port_context().network._network = (
{"id": "fake_network",
qos_consts.QOS_POLICY_ID: 'test-net-policy-id'})
res = self.callbacks.get_device_details(mock.Mock(), host='fake')
self.assertEqual('test-port-policy-id', res['qos_policy_id'])
def _test_get_devices_list(self, callback, side_effect, expected):
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=side_effect) as f:
res = callback('fake_context', devices=devices, **kwargs)
self.assertEqual(expected, res)
self.assertEqual(len(devices), f.call_count)
calls = [mock.call('fake_context', device=i,
port_context=mock.ANY, **kwargs)
for i in devices]
f.assert_has_calls(calls)
def test_get_devices_details_list(self):
results = [{'device': [v]} for v in [1, 2, 3, 4, 5]]
expected = results
callback = self.callbacks.get_devices_details_list
self._test_get_devices_list(callback, results, expected)
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_get_devices_details_list_and_failed_devices(self):
devices = [1, 2, 3, 4, 5]
expected = {'devices': devices, 'failed_devices': []}
callback = (
self.callbacks.get_devices_details_list_and_failed_devices)
self._test_get_devices_list(callback, devices, expected)
def test_get_devices_details_list_and_failed_devices_failures(self):
devices = [1, Exception('testdevice'), 3,
Exception('testdevice'), 5]
expected = {'devices': [1, 3, 5], 'failed_devices': [2, 4]}
callback = (
self.callbacks.get_devices_details_list_and_failed_devices)
self._test_get_devices_list(callback, devices, expected)
def test_get_network_details(self):
kwargs = {'agent_id': 'agent_id',
'host': 'host_id',
'network': 'network'}
with mock.patch.object(self.plugin, 'get_network') as mock_get_network:
mock_get_network.return_value = 'net_details'
self.assertEqual(
'net_details',
self.callbacks.get_network_details('fake_context', **kwargs))
mock_get_network.assert_called_once_with('fake_context', 'network')
def test_get_devices_details_list_and_failed_devices_empty_dev(self):
with mock.patch.object(self.callbacks, 'get_device_details') as f:
res = self.callbacks.get_devices_details_list_and_failed_devices(
'fake_context')
self.assertFalse(f.called)
self.assertEqual({'devices': [], 'failed_devices': []}, res)
def _test_update_device_not_bound_to_host(self, func):
self.plugin.port_bound_to_host.return_value = False
self.callbacks.notify_l2pop_port_wiring = mock.Mock()
self.plugin._device_to_port_id.return_value = 'fake_port_id'
res = func(mock.Mock(), device='fake_device', host='fake_host')
self.plugin.port_bound_to_host.assert_called_once_with(mock.ANY,
'fake_port_id',
'fake_host')
return res
def test_update_device_up_with_device_not_bound_to_host(self):
with mock.patch.object(ml2_db, 'get_port') as ml2_db_get_port:
self.assertIsNone(self._test_update_device_not_bound_to_host(
self.callbacks.update_device_up))
port = ml2_db_get_port.return_value
(self.plugin.nova_notifier.notify_port_active_direct.
assert_called_once_with(port))
def test_update_device_up_with_device_not_bound_to_host_no_notify(self):
cfg.CONF.set_override('notify_nova_on_port_status_changes', False)
self.assertIsNone(self._test_update_device_not_bound_to_host(
self.callbacks.update_device_up))
self.plugin.nova_notifier.notify_port_active_direct.assert_not_called()
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.callbacks.notify_l2pop_port_wiring = mock.Mock()
self.plugin._device_to_port_id.return_value = 'fake_port_id'
self.assertEqual(
{'device': 'fake_device', 'exists': False},
self.callbacks.update_device_down(mock.Mock(),
device='fake_device',
host='fake_host'))
self.plugin.update_port_status.assert_called_once_with(
mock.ANY, '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(
mock.Mock(), device='fake_device'))
def _test_update_device_list(self, devices_up_side_effect,
devices_down_side_effect, expected):
devices_up = [1, 2, 3]
devices_down = [4, 5]
kwargs = {'host': 'fake_host', 'agent_id': 'fake_agent_id'}
with mock.patch.object(self.callbacks, 'update_device_up',
side_effect=devices_up_side_effect) as f_up, \
mock.patch.object(self.callbacks, 'update_device_down',
side_effect=devices_down_side_effect) as f_down:
res = self.callbacks.update_device_list(
'fake_context', devices_up=devices_up,
devices_down=devices_down, **kwargs)
self.assertEqual(expected, res)
self.assertEqual(len(devices_up), f_up.call_count)
self.assertEqual(len(devices_down), f_down.call_count)
def test_update_device_list_no_failure(self):
devices_up_side_effect = [1, 2, 3]
devices_down_side_effect = [
{'device': 4, 'exists': True},
{'device': 5, 'exists': True}]
expected = {'devices_up': devices_up_side_effect,
'failed_devices_up': [],
'devices_down':
[{'device': 4, 'exists': True},
{'device': 5, 'exists': True}],
'failed_devices_down': []}
self._test_update_device_list(devices_up_side_effect,
devices_down_side_effect,
expected)
def test_update_device_list_failed_devices(self):
devices_up_side_effect = [1, Exception('testdevice'), 3]
devices_down_side_effect = [{'device': 4, 'exists': True},
Exception('testdevice')]
expected = {'devices_up': [1, 3],
'failed_devices_up': [2],
'devices_down':
[{'device': 4, 'exists': True}],
'failed_devices_down': [5]}
self._test_update_device_list(devices_up_side_effect,
devices_down_side_effect,
expected)
def test_update_device_list_empty_devices(self):
expected = {'devices_up': [],
'failed_devices_up': [],
'devices_down': [],
'failed_devices_down': []}
kwargs = {'host': 'fake_host', 'agent_id': 'fake_agent_id'}
res = self.callbacks.update_device_list(
'fake_context', devices_up=[], devices_down=[], **kwargs)
self.assertEqual(expected, res)
class RpcApiTestCase(base.BaseTestCase):
def _test_rpc_api(self, rpcapi, topic, method, rpc_method, **kwargs):
if method == "update_device_list":
expected = {'devices_up': [],
'failed_devices_up': [],
'devices_down': [],
'failed_devices_down': []}
else:
expected = 'foo'
ctxt = oslo_context.RequestContext(user_id='fake_user',
project_id='fake_project')
expected_retval = expected if rpc_method == 'call' else None
expected_version = kwargs.pop('version', None)
fanout = kwargs.pop('fanout', False)
with mock.patch.object(rpcapi.client, rpc_method) as rpc_mock,\
mock.patch.object(rpcapi.client, 'prepare') as 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')
def test_update_device_list(self):
rpcapi = agent_rpc.PluginApi(topics.PLUGIN)
self._test_rpc_api(rpcapi, None,
'update_device_list', rpc_method='call',
devices_up=['fake_device1', 'fake_device2'],
devices_down=['fake_device3', 'fake_device4'],
agent_id='fake_agent_id',
host='fake_host',
refresh_tunnels=False,
version='1.8')
def test_get_devices_details_list_and_failed_devices(self):
rpcapi = agent_rpc.PluginApi(topics.PLUGIN)
self._test_rpc_api(rpcapi, None,
'get_devices_details_list_and_failed_devices',
rpc_method='call',
devices=['fake_device1', 'fake_device2'],
agent_id='fake_agent_id',
host='fake_host',
version='1.5')
def test_devices_details_list_and_failed_devices(self):
rpcapi = agent_rpc.PluginApi(topics.PLUGIN)
self._test_rpc_api(rpcapi, None,
'get_devices_details_list_and_failed_devices',
rpc_method='call',
devices=['fake_device1', 'fake_device2'],
agent_id='fake_agent_id', host='fake_host',
version='1.5')
def test_get_ports_by_vnic_type_and_host(self):
rpcapi = agent_rpc.PluginApi(topics.PLUGIN)
self._test_rpc_api(rpcapi, None,
'get_ports_by_vnic_type_and_host',
rpc_method='call',
vnic_type='fake_device1',
host='fake_host',
version='1.7')