OpenStack Networking (Neutron)
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# Copyright (c) 2012 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.
import datetime
import mock
import netaddr
from neutron_lib.agent import topics as lib_topics
from neutron_lib.callbacks import events
from neutron_lib.callbacks import resources
from neutron_lib import constants
from neutron_lib import rpc as n_rpc
from oslo_context import context as oslo_context
from oslo_utils import uuidutils
from neutron.agent import rpc
from neutron.objects import network
from neutron.objects import ports
from neutron.tests import base
class AgentRPCPluginApi(base.BaseTestCase):
def _test_rpc_call(self, method):
agent = rpc.PluginApi('fake_topic')
ctxt = oslo_context.RequestContext(user_id='fake_user',
project_id='fake_project')
expect_val = 'foo'
with mock.patch.object(agent.client, 'call') as mock_call,\
mock.patch.object(agent.client, 'prepare') as mock_prepare:
mock_prepare.return_value = agent.client
mock_call.return_value = expect_val
func_obj = getattr(agent, method)
if method == 'tunnel_sync':
actual_val = func_obj(ctxt, 'fake_tunnel_ip')
elif method == 'get_ports_by_vnic_type_and_host':
actual_val = func_obj(ctxt, 'fake_vnic_type', 'fake_host')
mock_call.assert_called_once_with(
ctxt, 'get_ports_by_vnic_type_and_host',
host='fake_host', vnic_type='fake_vnic_type')
else:
actual_val = func_obj(ctxt, 'fake_device', 'fake_agent_id')
self.assertEqual(actual_val, expect_val)
def test_get_device_details(self):
self._test_rpc_call('get_device_details')
def test_get_devices_details_list(self):
self._test_rpc_call('get_devices_details_list')
def test_get_network_details(self):
self._test_rpc_call('get_network_details')
def test_update_device_down(self):
self._test_rpc_call('update_device_down')
def test_tunnel_sync(self):
self._test_rpc_call('tunnel_sync')
def test_get_ports_by_vnic_type_and_host(self):
self._test_rpc_call('get_ports_by_vnic_type_and_host')
class AgentPluginReportState(base.BaseTestCase):
def test_plugin_report_state_use_call(self):
topic = 'test'
reportStateAPI = rpc.PluginReportStateAPI(topic)
expected_agent_state = {'agent': 'test'}
with mock.patch.object(reportStateAPI.client, 'call') as mock_call, \
mock.patch.object(reportStateAPI.client, 'cast'), \
mock.patch.object(reportStateAPI.client, 'prepare'
) as mock_prepare:
mock_prepare.return_value = reportStateAPI.client
ctxt = oslo_context.RequestContext(user_id='fake_user',
project_id='fake_project')
reportStateAPI.report_state(ctxt, expected_agent_state,
use_call=True)
self.assertEqual(mock_call.call_args[0][0], ctxt)
self.assertEqual(mock_call.call_args[0][1], 'report_state')
self.assertEqual(mock_call.call_args[1]['agent_state'],
{'agent_state': expected_agent_state})
self.assertIsInstance(mock_call.call_args[1]['time'], str)
def test_plugin_report_state_cast(self):
topic = 'test'
reportStateAPI = rpc.PluginReportStateAPI(topic)
expected_agent_state = {'agent': 'test'}
with mock.patch.object(reportStateAPI.client, 'call'), \
mock.patch.object(reportStateAPI.client, 'cast'
) as mock_cast, \
mock.patch.object(reportStateAPI.client, 'prepare'
) as mock_prepare:
mock_prepare.return_value = reportStateAPI.client
ctxt = oslo_context.RequestContext(user_id='fake_user',
project_id='fake_project')
reportStateAPI.report_state(ctxt, expected_agent_state)
self.assertEqual(mock_cast.call_args[0][0], ctxt)
self.assertEqual(mock_cast.call_args[0][1], 'report_state')
self.assertEqual(mock_cast.call_args[1]['agent_state'],
{'agent_state': expected_agent_state})
self.assertIsInstance(mock_cast.call_args[1]['time'], str)
def test_plugin_report_state_microsecond_is_0(self):
topic = 'test'
expected_time = datetime.datetime(2015, 7, 27, 15, 33, 30, 0)
expected_time_str = '2015-07-27T15:33:30.000000'
expected_agent_state = {'agent': 'test'}
with mock.patch('neutron.agent.rpc.datetime') as mock_datetime:
reportStateAPI = rpc.PluginReportStateAPI(topic)
mock_datetime.utcnow.return_value = expected_time
with mock.patch.object(reportStateAPI.client, 'call'), \
mock.patch.object(reportStateAPI.client, 'cast'
) as mock_cast, \
mock.patch.object(reportStateAPI.client, 'prepare'
) as mock_prepare:
mock_prepare.return_value = reportStateAPI.client
ctxt = oslo_context.RequestContext(user_id='fake_user',
project_id='fake_project')
reportStateAPI.report_state(ctxt, expected_agent_state)
self.assertEqual(expected_time_str,
mock_cast.call_args[1]['time'])
class AgentRPCMethods(base.BaseTestCase):
def _test_create_consumers(self, endpoints, method, expected, topics,
listen):
with mock.patch.object(n_rpc, 'Connection') as create_connection:
rpc.create_consumers(
endpoints, method, topics, start_listening=listen)
create_connection.assert_has_calls(expected)
def test_create_consumers_start_listening(self):
endpoints = [mock.Mock()]
expected = [
mock.call(),
mock.call().create_consumer('foo-topic-op', endpoints,
fanout=True),
mock.call().consume_in_threads()
]
method = 'foo'
topics = [('topic', 'op')]
self._test_create_consumers(
endpoints, method, expected, topics, True)
def test_create_consumers_do_not_listen(self):
endpoints = [mock.Mock()]
expected = [
mock.call(),
mock.call().create_consumer('foo-topic-op', endpoints,
fanout=True),
]
method = 'foo'
topics = [('topic', 'op')]
self._test_create_consumers(
endpoints, method, expected, topics, False)
def test_create_consumers_with_node_name(self):
endpoints = [mock.Mock()]
expected = [
mock.call(),
mock.call().create_consumer('foo-topic-op', endpoints,
fanout=True),
mock.call().create_consumer('foo-topic-op.node1', endpoints,
fanout=False),
mock.call().consume_in_threads()
]
with mock.patch.object(n_rpc, 'Connection') as create_connection:
rpc.create_consumers(endpoints, 'foo', [('topic', 'op', 'node1')])
create_connection.assert_has_calls(expected)
class TestCacheBackedPluginApi(base.BaseTestCase):
def setUp(self):
super(TestCacheBackedPluginApi, self).setUp()
self._api = rpc.CacheBackedPluginApi(lib_topics.PLUGIN)
self._api._legacy_interface = mock.Mock()
self._api.remote_resource_cache = mock.Mock()
self._network_id = uuidutils.generate_uuid()
self._segment_id = uuidutils.generate_uuid()
self._segment = network.NetworkSegment(
id=self._segment_id, network_id=self._network_id,
network_type=constants.TYPE_FLAT)
self._port_id = uuidutils.generate_uuid()
self._network = network.Network(id=self._network_id,
segments=[self._segment])
self._port = ports.Port(
id=self._port_id, network_id=self._network_id,
device_id='vm_uuid',
mac_address=netaddr.EUI('fa:16:3e:ec:c7:d9'), admin_state_up=True,
security_group_ids=set([uuidutils.generate_uuid()]),
fixed_ips=[], allowed_address_pairs=[],
device_owner=constants.DEVICE_OWNER_COMPUTE_PREFIX,
bindings=[ports.PortBinding(port_id=self._port_id,
host='host1',
status=constants.ACTIVE,
profile={},
vif_type='vif_type',
vnic_type='vnic_type')],
binding_levels=[ports.PortBindingLevel(port_id=self._port_id,
host='host1',
level=0,
segment=self._segment)])
def test__legacy_notifier_resource_delete(self):
self._api._legacy_notifier(resources.PORT, events.AFTER_DELETE, self,
mock.ANY, resource_id=self._port_id,
existing=self._port)
self._api._legacy_interface.port_update.assert_not_called()
self._api._legacy_interface.port_delete.assert_called_once_with(
mock.ANY, port={'id': self._port_id}, port_id=self._port_id)
self._api._legacy_interface.binding_deactivate.assert_not_called()
def test__legacy_notifier_resource_update(self):
updated_port = ports.Port(id=self._port_id, name='updated_port')
self._api._legacy_notifier(resources.PORT, events.AFTER_UPDATE, self,
mock.ANY, changed_fields=set(['name']),
resource_id=self._port_id,
existing=self._port, updated=updated_port)
self._api._legacy_interface.port_delete.assert_not_called()
self._api._legacy_interface.port_update.assert_called_once_with(
mock.ANY, port={'id': self._port_id}, port_id=self._port_id)
self._api._legacy_interface.binding_deactivate.assert_not_called()
def _test__legacy_notifier_binding_activated(self):
updated_port = ports.Port(
id=self._port_id, name='updated_port',
bindings=[ports.PortBinding(port_id=self._port_id,
host='host2',
status=constants.ACTIVE),
ports.PortBinding(port_id=self._port_id,
host='host1',
status=constants.INACTIVE)])
self._api._legacy_notifier(resources.PORT, events.AFTER_UPDATE, self,
mock.ANY,
changed_fields=set(['name', 'bindings']),
resource_id=self._port_id,
existing=self._port, updated=updated_port)
self._api._legacy_interface.port_update.assert_not_called()
self._api._legacy_interface.port_delete.assert_not_called()
def test__legacy_notifier_new_binding_activated(self):
self._test__legacy_notifier_binding_activated()
self._api._legacy_interface.binding_deactivate.assert_called_once_with(
mock.ANY, host='host1', port_id=self._port_id)
self._api._legacy_interface.binding_activate.assert_called_once_with(
mock.ANY, host='host2', port_id=self._port_id)
def test__legacy_notifier_no_new_binding_activated(self):
updated_port = ports.Port(
id=self._port_id, name='updated_port',
bindings=[ports.PortBinding(port_id=self._port_id,
host='host2',
status=constants.ACTIVE)])
self._api._legacy_notifier(resources.PORT, events.AFTER_UPDATE, self,
mock.ANY,
changed_fields=set(['name', 'bindings']),
resource_id=self._port_id,
existing=self._port, updated=updated_port)
self._api._legacy_interface.port_update.assert_called_once_with(
mock.ANY, port={'id': self._port_id}, port_id=self._port_id)
self._api._legacy_interface.port_delete.assert_not_called()
self._api._legacy_interface.binding_deactivate.assert_not_called()
def test__legacy_notifier_existing_or_updated_is_none(self):
self._api._legacy_notifier(resources.PORT, events.AFTER_UPDATE,
self, mock.ANY,
changed_fields=set(['name', 'bindings']),
resource_id=self._port_id,
existing=None, updated=None)
self._api._legacy_notifier(resources.PORT, events.AFTER_UPDATE, self,
mock.ANY,
changed_fields=set(['name', 'bindings']),
resource_id=self._port_id,
existing=self._port, updated=None)
call = mock.call(mock.ANY, port={'id': self._port_id},
port_id=self._port_id)
self._api._legacy_interface.port_update.assert_has_calls([call, call])
self._api._legacy_interface.port_delete.assert_not_called()
self._api._legacy_interface.binding_deactivate.assert_not_called()
def test__legacy_notifier_binding_activated_not_supported(self):
del self._api._legacy_interface.binding_deactivate
self._test__legacy_notifier_binding_activated()
def test_get_device_details_binding_in_host(self):
self._api.remote_resource_cache.get_resource_by_id.side_effect = [
self._port, self._network]
entry = self._api.get_device_details(mock.ANY, self._port_id, mock.ANY,
'host1')
self.assertEqual(self._port_id, entry['device'])
self.assertEqual(self._port_id, entry['port_id'])
self.assertEqual(self._network_id, entry['network_id'])
self.assertNotIn(constants.NO_ACTIVE_BINDING, entry)
def test_get_device_details_binding_not_in_host(self):
self._api.remote_resource_cache.get_resource_by_id.side_effect = [
self._port, self._network]
entry = self._api.get_device_details(mock.ANY, self._port_id, mock.ANY,
'host2')
self.assertEqual(self._port_id, entry['device'])
self.assertNotIn('port_id', entry)
self.assertNotIn('network_id', entry)
self.assertIn(constants.NO_ACTIVE_BINDING, entry)