/usr/lib/python2.7/dist-packages/hyperv/tests/unit/neutron/test_hyperv_neutron_agent.py is in python-networking-hyperv 2.0.0-0ubuntu1.
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# Copyright 2013 Pedro Navarro Perez
# 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 Windows Hyper-V virtual switch neutron driver
"""
from concurrent import futures
import time
import mock
from os_win import exceptions
from os_win import utilsfactory
from hyperv.neutron import constants
from hyperv.neutron import exception
from hyperv.neutron import hyperv_neutron_agent
from hyperv.tests import base
class TestHyperVNeutronAgent(base.BaseTestCase):
_FAKE_PORT_ID = 'fake_port_id'
def setUp(self):
super(TestHyperVNeutronAgent, self).setUp()
utilsfactory_patcher = mock.patch.object(utilsfactory, '_get_class')
utilsfactory_patcher.start()
self.addCleanup(utilsfactory_patcher.stop)
self.agent = hyperv_neutron_agent.HyperVNeutronAgentMixin()
self.agent.plugin_rpc = mock.Mock()
self.agent._metricsutils = mock.MagicMock()
self.agent._utils = mock.MagicMock()
self.agent.sec_groups_agent = mock.MagicMock()
self.agent.context = mock.Mock()
self.agent.client = mock.MagicMock()
self.agent.connection = mock.MagicMock()
self.agent.agent_id = mock.Mock()
self.agent.notifier = mock.Mock()
self.agent._utils = mock.MagicMock()
self.agent._nvgre_ops = mock.MagicMock()
self.agent._workers = mock.MagicMock()
@mock.patch.object(hyperv_neutron_agent, 'synchronized')
def test_port_synchronized(self, mock_synchronized):
fake_method_side_effect = mock.Mock()
@hyperv_neutron_agent._port_synchronized
def fake_method(fake_arg, port_id):
fake_method_side_effect(fake_arg, port_id)
mock_synchronized.return_value = lambda x: x
expected_lock_name = 'port-lock-%s' % mock.sentinel.port_id
fake_method(fake_arg=mock.sentinel.arg, port_id=mock.sentinel.port_id)
mock_synchronized.assert_called_once_with(expected_lock_name)
fake_method_side_effect.assert_called_once_with(
mock.sentinel.arg, mock.sentinel.port_id)
def test_load_physical_network_mappings(self):
test_mappings = ['fakenetwork1:fake_vswitch',
'fakenetwork2:fake_vswitch_2', '*:fake_vswitch_3']
expected = [('fakenetwork1', 'fake_vswitch'),
('fakenetwork2', 'fake_vswitch_2'),
('.*', 'fake_vswitch_3')]
self.agent._load_physical_network_mappings(test_mappings)
self.assertEqual(expected,
list(self.agent._physical_network_mappings.items()))
@mock.patch.object(hyperv_neutron_agent.nvgre_ops, 'HyperVNvgreOps')
def test_init_nvgre_disabled(self, mock_hyperv_nvgre_ops):
self.agent._init_nvgre()
self.assertFalse(mock_hyperv_nvgre_ops.called)
self.assertFalse(self.agent._nvgre_enabled)
@mock.patch.object(hyperv_neutron_agent.nvgre_ops, 'HyperVNvgreOps')
def test_init_nvgre_no_tunnel_ip(self, mock_hyperv_nvgre_ops):
self.config(enable_support=True, group='NVGRE')
self.assertRaises(exception.NetworkingHyperVException,
self.agent._init_nvgre)
@mock.patch.object(hyperv_neutron_agent.nvgre_ops, 'HyperVNvgreOps')
def test_init_nvgre_enabled(self, mock_hyperv_nvgre_ops):
self.config(enable_support=True, group='NVGRE')
self.config(provider_tunnel_ip=mock.sentinel.tunneling_ip,
group='NVGRE')
self.agent._init_nvgre()
mock_hyperv_nvgre_ops.assert_called_once_with(
list(self.agent._physical_network_mappings.values()))
self.assertTrue(self.agent._nvgre_enabled)
self.agent._nvgre_ops.init_notifier.assert_called_once_with(
self.agent.context, self.agent.client)
def test_get_network_vswitch_map_by_port_id(self):
net_uuid = 'net-uuid'
self.agent._network_vswitch_map = {
net_uuid: {'ports': [self._FAKE_PORT_ID]}
}
network, port_map = self.agent._get_network_vswitch_map_by_port_id(
self._FAKE_PORT_ID)
self.assertEqual(net_uuid, network)
self.assertEqual({'ports': [self._FAKE_PORT_ID]}, port_map)
def test_get_network_vswitch_map_by_port_id_not_found(self):
net_uuid = 'net-uuid'
self.agent._network_vswitch_map = {net_uuid: {'ports': []}}
network, port_map = self.agent._get_network_vswitch_map_by_port_id(
self._FAKE_PORT_ID)
self.assertIsNone(network)
self.assertIsNone(port_map)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
'_treat_vif_port')
def test_port_update_not_found(self, mock_treat_vif_port):
self.agent._utils.vnic_port_exists.return_value = False
port = {'id': mock.sentinel.port_id}
self.agent.port_update(self.agent.context, port)
self.assertFalse(mock_treat_vif_port.called)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
'_treat_vif_port')
def test_port_update(self, mock_treat_vif_port):
self.agent._utils.vnic_port_exists.return_value = True
port = {'id': mock.sentinel.port_id,
'network_id': mock.sentinel.network_id,
'admin_state_up': mock.sentinel.admin_state_up}
self.agent.port_update(self.agent.context, port,
mock.sentinel.network_type,
mock.sentinel.segmentation_id,
mock.sentinel.physical_network)
mock_treat_vif_port.assert_called_once_with(
mock.sentinel.port_id, mock.sentinel.network_id,
mock.sentinel.network_type, mock.sentinel.physical_network,
mock.sentinel.segmentation_id, mock.sentinel.admin_state_up)
def test_lookup_update(self):
kwargs = {'lookup_ip': mock.sentinel.lookup_ip,
'lookup_details': mock.sentinel.lookup_details}
self.agent.lookup_update(mock.sentinel.context, **kwargs)
self.agent._nvgre_ops.lookup_update.assert_called_once_with(kwargs)
def test_get_vswitch_name_local(self):
self.agent._local_network_vswitch = 'test_local_switch'
ret = self.agent._get_vswitch_name(constants.TYPE_LOCAL,
mock.sentinel.FAKE_PHYSICAL_NETWORK)
self.assertEqual('test_local_switch', ret)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
"_get_vswitch_for_physical_network")
def test_get_vswitch_name_vlan(self, mock_get_vswitch_for_phys_net):
ret = self.agent._get_vswitch_name(constants.TYPE_VLAN,
mock.sentinel.FAKE_PHYSICAL_NETWORK)
self.assertEqual(mock_get_vswitch_for_phys_net.return_value, ret)
mock_get_vswitch_for_phys_net.assert_called_once_with(
mock.sentinel.FAKE_PHYSICAL_NETWORK)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
"_get_vswitch_name")
def test_provision_network_exception(self, mock_get_vswitch_name):
self.assertRaises(exception.NetworkingHyperVException,
self.agent._provision_network,
mock.sentinel.FAKE_PORT_ID,
mock.sentinel.FAKE_NET_UUID,
mock.sentinel.FAKE_NETWORK_TYPE,
mock.sentinel.FAKE_PHYSICAL_NETWORK,
mock.sentinel.FAKE_SEGMENTATION_ID)
mock_get_vswitch_name.assert_called_once_with(
mock.sentinel.FAKE_NETWORK_TYPE,
mock.sentinel.FAKE_PHYSICAL_NETWORK)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
"_get_vswitch_name")
def test_provision_network_vlan(self, mock_get_vswitch_name):
self.agent._provision_network(mock.sentinel.FAKE_PORT_ID,
mock.sentinel.FAKE_NET_UUID,
constants.TYPE_VLAN,
mock.sentinel.FAKE_PHYSICAL_NETWORK,
mock.sentinel.FAKE_SEGMENTATION_ID)
mock_get_vswitch_name.assert_called_once_with(
constants.TYPE_VLAN,
mock.sentinel.FAKE_PHYSICAL_NETWORK)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
"_get_vswitch_name")
def test_provision_network_nvgre(self, mock_get_vswitch_name):
self.agent._nvgre_enabled = True
vswitch_name = mock_get_vswitch_name.return_value
self.agent._provision_network(mock.sentinel.FAKE_PORT_ID,
mock.sentinel.FAKE_NET_UUID,
constants.TYPE_NVGRE,
mock.sentinel.FAKE_PHYSICAL_NETWORK,
mock.sentinel.FAKE_SEGMENTATION_ID)
mock_get_vswitch_name.assert_called_once_with(
constants.TYPE_NVGRE,
mock.sentinel.FAKE_PHYSICAL_NETWORK)
self.agent._nvgre_ops.bind_nvgre_network.assert_called_once_with(
mock.sentinel.FAKE_SEGMENTATION_ID,
mock.sentinel.FAKE_NET_UUID,
vswitch_name)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
"_get_vswitch_name")
def test_provision_network_flat(self, mock_get_vswitch_name):
self.agent._provision_network(mock.sentinel.FAKE_PORT_ID,
mock.sentinel.FAKE_NET_UUID,
constants.TYPE_FLAT,
mock.sentinel.FAKE_PHYSICAL_NETWORK,
mock.sentinel.FAKE_SEGMENTATION_ID)
mock_get_vswitch_name.assert_called_once_with(
constants.TYPE_FLAT,
mock.sentinel.FAKE_PHYSICAL_NETWORK)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
"_get_vswitch_name")
def test_provision_network_local(self, mock_get_vswitch_name):
self.agent._provision_network(mock.sentinel.FAKE_PORT_ID,
mock.sentinel.FAKE_NET_UUID,
constants.TYPE_LOCAL,
mock.sentinel.FAKE_PHYSICAL_NETWORK,
mock.sentinel.FAKE_SEGMENTATION_ID)
mock_get_vswitch_name.assert_called_once_with(
constants.TYPE_LOCAL,
mock.sentinel.FAKE_PHYSICAL_NETWORK)
def test_port_bound_enable_metrics(self):
self.agent.enable_metrics_collection = True
self._test_port_bound(True)
def test_port_bound_no_metrics(self):
self.agent.enable_metrics_collection = False
self._test_port_bound(False)
def _test_port_bound(self, enable_metrics):
port = mock.MagicMock()
net_uuid = 'my-net-uuid'
self.agent._port_bound(port, net_uuid, 'vlan', None, None)
self.assertEqual(enable_metrics,
self.agent._utils.add_metrics_collection_acls.called)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
'_provision_network')
def test_port_bound_nvgre(self, mock_provision_network):
self.agent._nvgre_enabled = True
network_type = constants.TYPE_NVGRE
net_uuid = 'my-net-uuid'
fake_map = {'vswitch_name': mock.sentinel.vswitch_name,
'ports': []}
def fake_prov_network(*args, **kwargs):
self.agent._network_vswitch_map[net_uuid] = fake_map
mock_provision_network.side_effect = fake_prov_network
self.agent._port_bound(mock.sentinel.port_id, net_uuid, network_type,
mock.sentinel.physical_network,
mock.sentinel.segmentation_id)
self.assertIn(mock.sentinel.port_id, fake_map['ports'])
mock_provision_network.assert_called_once_with(
mock.sentinel.port_id, net_uuid, network_type,
mock.sentinel.physical_network, mock.sentinel.segmentation_id)
self.agent._utils.connect_vnic_to_vswitch.assert_called_once_with(
mock.sentinel.vswitch_name, mock.sentinel.port_id)
self.agent._nvgre_ops.bind_nvgre_port.assert_called_once_with(
mock.sentinel.segmentation_id, mock.sentinel.vswitch_name,
mock.sentinel.port_id)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
'_get_network_vswitch_map_by_port_id')
def _check_port_unbound(self, mock_get_vswitch_map_by_port_id, ports=None,
net_uuid=None):
map = {
'network_type': 'vlan',
'vswitch_name': 'fake-vswitch',
'ports': ports,
'vlan_id': 1}
network_vswitch_map = (net_uuid, map)
mock_get_vswitch_map_by_port_id.return_value = network_vswitch_map
with mock.patch.object(
self.agent._utils,
'remove_switch_port') as mock_remove_switch_port:
self.agent._port_unbound(self._FAKE_PORT_ID, vnic_deleted=False)
if net_uuid:
mock_remove_switch_port.assert_called_once_with(
self._FAKE_PORT_ID, False)
else:
self.assertFalse(mock_remove_switch_port.called)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
'_reclaim_local_network')
def test_port_unbound(self, mock_reclaim_local_network):
net_uuid = 'my-net-uuid'
self._check_port_unbound(ports=[self._FAKE_PORT_ID],
net_uuid=net_uuid)
mock_reclaim_local_network.assert_called_once_with(net_uuid)
def test_port_unbound_port_not_found(self):
self._check_port_unbound()
def test_port_enable_control_metrics_ok(self):
self.agent.enable_metrics_collection = True
self.agent._port_metric_retries[self._FAKE_PORT_ID] = (
self.agent._metrics_max_retries)
self.agent._utils.is_metrics_collection_allowed.return_value = True
self.agent._port_enable_control_metrics()
enable_port_metrics_collection = (
self.agent._metricsutils.enable_port_metrics_collection)
enable_port_metrics_collection.assert_called_with(self._FAKE_PORT_ID)
self.assertNotIn(self._FAKE_PORT_ID, self.agent._port_metric_retries)
def test_port_enable_control_metrics_maxed(self):
self.agent.enable_metrics_collection = True
self.agent._metrics_max_retries = 3
self.agent._port_metric_retries[self._FAKE_PORT_ID] = 3
self.agent._utils.is_metrics_collection_allowed.return_value = False
for i in range(4):
self.assertIn(self._FAKE_PORT_ID,
self.agent._port_metric_retries)
self.agent._port_enable_control_metrics()
self.assertNotIn(self._FAKE_PORT_ID, self.agent._port_metric_retries)
def test_port_enable_control_metrics_no_vnic(self):
self.agent.enable_metrics_collection = True
self.agent._port_metric_retries[self._FAKE_PORT_ID] = 3
self.agent._utils.is_metrics_collection_allowed.side_effect = (
exceptions.NotFound(resource=self._FAKE_PORT_ID))
self.agent._port_enable_control_metrics()
self.assertNotIn(self._FAKE_PORT_ID, self.agent._port_metric_retries)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
'_port_unbound')
def test_vif_port_state_down(self, mock_port_unbound):
self.agent._treat_vif_port(
mock.sentinel.port_id, mock.sentinel.network_id,
mock.sentinel.network_type, mock.sentinel.physical_network,
mock.sentinel.segmentation_id, False)
mock_port_unbound.assert_called_once_with(mock.sentinel.port_id)
sg_agent = self.agent.sec_groups_agent
sg_agent.remove_devices_filter.assert_called_once_with(
[mock.sentinel.port_id])
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
'_port_bound')
def _check_treat_vif_port_state_up(self, mock_port_bound):
self.agent._treat_vif_port(
mock.sentinel.port_id, mock.sentinel.network_id,
mock.sentinel.network_type, mock.sentinel.physical_network,
mock.sentinel.segmentation_id, True)
mock_port_bound.assert_called_once_with(
mock.sentinel.port_id, mock.sentinel.network_id,
mock.sentinel.network_type, mock.sentinel.physical_network,
mock.sentinel.segmentation_id)
def test_treat_vif_port_sg_enabled(self):
self.agent.enable_security_groups = True
self._check_treat_vif_port_state_up()
sg_agent = self.agent.sec_groups_agent
sg_agent.prepare_devices_filter.assert_called_once_with(
[mock.sentinel.port_id])
def test_treat_vif_port_sg_disabled(self):
self.agent.enable_security_groups = False
self._check_treat_vif_port_state_up()
self.agent._utils.remove_all_security_rules.assert_called_once_with(
mock.sentinel.port_id)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
'_treat_vif_port')
def test_process_added_port(self, mock_treat_vif_port):
self.agent._added_ports = set()
details = self._get_fake_port_details()
self.agent._process_added_port(details)
mock_treat_vif_port.assert_called_once_with(
mock.sentinel.port_id, mock.sentinel.network_id,
mock.sentinel.network_type, mock.sentinel.physical_network,
mock.sentinel.segmentation_id, mock.sentinel.admin_state_up)
self.agent.plugin_rpc.update_device_up.assert_called_once_with(
self.agent.context, mock.sentinel.device,
self.agent.agent_id, self.agent._host)
self.assertNotIn(mock.sentinel.device, self.agent._added_ports)
@mock.patch.object(hyperv_neutron_agent.HyperVNeutronAgentMixin,
'_treat_vif_port')
def test_process_added_port_failed(self, mock_treat_vif_port):
mock_treat_vif_port.side_effect = exception.NetworkingHyperVException
self.agent._added_ports = set()
details = self._get_fake_port_details()
self.agent._process_added_port(details)
self.assertIn(mock.sentinel.device, self.agent._added_ports)
def _get_fake_port_details(self):
return {'device': mock.sentinel.device,
'port_id': mock.sentinel.port_id,
'network_id': mock.sentinel.network_id,
'network_type': mock.sentinel.network_type,
'physical_network': mock.sentinel.physical_network,
'segmentation_id': mock.sentinel.segmentation_id,
'admin_state_up': mock.sentinel.admin_state_up}
def test_treat_devices_added_returns_true_for_missing_device(self):
self.agent._added_ports = set([mock.sentinel.port_id])
attrs = {'get_devices_details_list.side_effect': Exception()}
self.agent.plugin_rpc.configure_mock(**attrs)
self.agent._treat_devices_added()
self.assertIn(mock.sentinel.port_id, self.agent._added_ports)
def test_treat_devices_added_updates_known_port(self):
self.agent._added_ports = set([mock.sentinel.device])
details = self._get_fake_port_details()
attrs = {'get_devices_details_list.return_value': [details]}
self.agent.plugin_rpc.configure_mock(**attrs)
self.agent._treat_devices_added()
self.agent._workers.submit.assert_called_once_with(
self.agent._process_added_port, details)
self.assertNotIn(mock.sentinel.device, self.agent._added_ports)
def test_treat_devices_added_missing_port_id(self):
self.agent._added_ports = set([mock.sentinel.port_id])
details = {'device': mock.sentinel.port_id}
attrs = {'get_devices_details_list.return_value': [details]}
self.agent.plugin_rpc.configure_mock(**attrs)
self.agent._treat_devices_added()
self.assertFalse(self.agent._workers.submit.called)
self.assertNotIn(mock.sentinel.port_id, self.agent._added_ports)
def test_treat_devices_removed_exception(self):
self.agent._removed_ports = set([mock.sentinel.port_id])
attrs = {'update_device_down.side_effect': Exception()}
self.agent.plugin_rpc.configure_mock(**attrs)
self.agent._treat_devices_removed()
self.agent.plugin_rpc.update_device_down.assert_called_once_with(
self.agent.context, mock.sentinel.port_id,
self.agent.agent_id, self.agent._host)
self.assertIn(mock.sentinel.port_id, self.agent._removed_ports)
def mock_treat_devices_removed(self, port_exists):
self.agent._removed_ports = set([mock.sentinel.port_id])
details = dict(exists=port_exists)
attrs = {'update_device_down.return_value': details}
self.agent.plugin_rpc.configure_mock(**attrs)
with mock.patch.object(self.agent, '_port_unbound') as func:
self.agent._treat_devices_removed()
self.assertEqual(func.called, not port_exists)
self.assertEqual(
self.agent.sec_groups_agent.remove_devices_filter.called,
not port_exists)
self.assertNotIn(mock.sentinel.port_id, self.agent._removed_ports)
def test_treat_devices_removed_unbinds_port(self):
self.mock_treat_devices_removed(False)
def test_treat_devices_removed_ignores_missing_port(self):
self.mock_treat_devices_removed(False)
def test_process_added_port_event(self):
self.agent._added_ports = set()
self.agent._process_added_port_event(mock.sentinel.port_id)
self.assertIn(mock.sentinel.port_id, self.agent._added_ports)
def test_process_removed_port_event(self):
self.agent._removed_ports = set([])
self.agent._process_removed_port_event(mock.sentinel.port_id)
self.assertIn(mock.sentinel.port_id, self.agent._removed_ports)
@mock.patch.object(hyperv_neutron_agent.threading, 'Thread')
def test_create_event_listeners(self, mock_Thread):
self.agent._create_event_listeners()
self.agent._utils.get_vnic_event_listener.assert_has_calls([
mock.call(self.agent._utils.EVENT_TYPE_CREATE),
mock.call(self.agent._utils.EVENT_TYPE_DELETE)])
target = self.agent._utils.get_vnic_event_listener.return_value
calls = [mock.call(target=target,
args=(self.agent._process_added_port_event, )),
mock.call(target=target,
args=(self.agent._process_removed_port_event, ))]
mock_Thread.assert_has_calls(calls, any_order=True)
self.assertEqual(2, mock_Thread.return_value.start.call_count)
def test_thread_pool_execution(self):
pool = futures.ThreadPoolExecutor(max_workers=3)
mock_fn = mock.MagicMock()
for i in range(8):
pool.submit(mock_fn, mock.sentinel.parameter)
# allow the threads to finish. one second is enough for a noop call.
time.sleep(1)
mock_fn.assert_has_calls([mock.call(mock.sentinel.parameter)] * 8)
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