# Copyright 2014 Mellanox Technologies, Ltd # # 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 contextlib import mock from oslo.config import cfg import testtools from neutron.plugins.mlnx.agent import eswitch_neutron_agent from neutron.plugins.mlnx.agent import utils from neutron.plugins.mlnx.common import exceptions from neutron.tests import base class TestEswichManager(base.BaseTestCase): def setUp(self): super(TestEswichManager, self).setUp() class MockEswitchUtils(object): def __init__(self, endpoint, timeout): pass mock.patch('neutron.plugins.mlnx.agent.utils.EswitchManager', new=MockEswitchUtils) with mock.patch.object(utils, 'zmq'): self.manager = eswitch_neutron_agent.EswitchManager({}, None, None) def test_get_not_exist_port_id(self): with testtools.ExpectedException(exceptions.MlnxException): self.manager.get_port_id_by_mac('no-such-mac') class TestMlnxEswitchRpcCallbacks(base.BaseTestCase): def setUp(self): super(TestMlnxEswitchRpcCallbacks, self).setUp() agent = mock.Mock() self.rpc_callbacks = eswitch_neutron_agent.MlnxEswitchRpcCallbacks( 'context', agent ) def test_port_update(self): port = {'mac_address': '10:20:30:40:50:60'} add_port_update = self.rpc_callbacks.agent.add_port_update self.rpc_callbacks.port_update('context', port=port) add_port_update.assert_called_once_with(port['mac_address']) class TestEswitchAgent(base.BaseTestCase): def setUp(self): super(TestEswitchAgent, self).setUp() cfg.CONF.set_default('firewall_driver', 'neutron.agent.firewall.NoopFirewallDriver', group='SECURITYGROUP') class MockFixedIntervalLoopingCall(object): def __init__(self, f): self.f = f def start(self, interval=0): self.f() mock.patch('neutron.openstack.common.loopingcall.' 'FixedIntervalLoopingCall', new=MockFixedIntervalLoopingCall) with mock.patch.object(utils, 'zmq'): self.agent = eswitch_neutron_agent.MlnxEswitchNeutronAgent({}) self.agent.plugin_rpc = mock.Mock() self.agent.context = mock.Mock() self.agent.agent_id = mock.Mock() self.agent.eswitch = mock.Mock() self.agent.eswitch.get_vnics_mac.return_value = [] def test_treat_devices_added_returns_true_for_missing_device(self): attrs = {'get_devices_details_list.side_effect': Exception()} self.agent.plugin_rpc.configure_mock(**attrs) with contextlib.nested( mock.patch('neutron.plugins.mlnx.agent.eswitch_neutron_agent.' 'EswitchManager.get_vnics_mac', return_value=[])): self.assertTrue(self.agent.treat_devices_added_or_updated([{}])) def _mock_treat_devices_added_updated(self, details, func_name): """Mock treat devices added. :param details: the details to return for the device :param func_name: the function that should be called :returns: whether the named function was called """ with contextlib.nested( mock.patch('neutron.plugins.mlnx.agent.eswitch_neutron_agent.' 'EswitchManager.get_vnics_mac', return_value=[]), mock.patch.object(self.agent.plugin_rpc, 'get_devices_details_list', return_value=[details]), mock.patch.object(self.agent.plugin_rpc, 'update_device_up'), mock.patch.object(self.agent, func_name) ) as (vnics_fn, get_dev_fn, upd_dev_up, func): self.assertFalse(self.agent.treat_devices_added_or_updated([{}])) return (func.called, upd_dev_up.called) def test_treat_devices_added_updates_known_port(self): details = mock.MagicMock() details.__contains__.side_effect = lambda x: True func, dev_up = self._mock_treat_devices_added_updated(details, 'treat_vif_port') self.assertTrue(func) self.assertTrue(dev_up) def test_treat_devices_added_updates_known_port_admin_down(self): details = {'port_id': '1234567890', 'device': '01:02:03:04:05:06', 'network_id': '123456789', 'network_type': 'vlan', 'physical_network': 'default', 'segmentation_id': 2, 'admin_state_up': False} func, dev_up = self._mock_treat_devices_added_updated(details, 'treat_vif_port') self.assertTrue(func) self.assertFalse(dev_up) def test_treat_devices_removed_returns_true_for_missing_device(self): with mock.patch.object(self.agent.plugin_rpc, 'update_device_down', side_effect=Exception()): self.assertTrue(self.agent.treat_devices_removed([{}])) def test_treat_devices_removed_releases_port(self): details = dict(exists=False) with mock.patch.object(self.agent.plugin_rpc, 'update_device_down', return_value=details): with mock.patch.object(self.agent.eswitch, 'port_release') as port_release: self.assertFalse(self.agent.treat_devices_removed([{}])) self.assertTrue(port_release.called) def _test_process_network_ports(self, port_info): with contextlib.nested( mock.patch.object(self.agent, 'treat_devices_added_or_updated', return_value=False), mock.patch.object(self.agent, 'treat_devices_removed', return_value=False) ) as (device_added_updated, device_removed): self.assertFalse(self.agent.process_network_ports(port_info)) device_added_updated.assert_called_once_with( port_info['added'] | port_info['updated']) device_removed.assert_called_once_with(port_info['removed']) def test_process_network_ports(self): self._test_process_network_ports( {'current': set(['10:20:30:40:50:60']), 'updated': set(), 'added': set(['11:21:31:41:51:61']), 'removed': set(['13:23:33:43:53:63'])}) def test_process_network_ports_with_updated_ports(self): self._test_process_network_ports( {'current': set(['10:20:30:40:50:60']), 'updated': set(['12:22:32:42:52:62']), 'added': set(['11:21:31:41:51:61']), 'removed': set(['13:23:33:43:53:63'])}) def test_add_port_update(self): mac_addr = '10:20:30:40:50:60' self.agent.add_port_update(mac_addr) self.assertEqual(set([mac_addr]), self.agent.updated_ports) def _mock_scan_ports(self, vif_port_set, previous, updated_ports, sync=False): self.agent.updated_ports = updated_ports with mock.patch.object(self.agent.eswitch, 'get_vnics_mac', return_value=vif_port_set): return self.agent.scan_ports(previous, sync) def test_scan_ports_return_current_for_unchanged_ports(self): vif_port_set = set([1, 2]) previous = dict(current=set([1, 2]), added=set(), removed=set(), updated=set()) expected = dict(current=vif_port_set, added=set(), removed=set(), updated=set()) actual = self._mock_scan_ports(vif_port_set, previous, set()) self.assertEqual(expected, actual) def test_scan_ports_return_port_changes(self): vif_port_set = set([1, 3]) previous = dict(current=set([1, 2]), added=set(), removed=set(), updated=set()) expected = dict(current=vif_port_set, added=set([3]), removed=set([2]), updated=set()) actual = self._mock_scan_ports(vif_port_set, previous, set()) self.assertEqual(expected, actual) def test_scan_ports_with_updated_ports(self): vif_port_set = set([1, 3, 4]) previous = dict(current=set([1, 2, 4]), added=set(), removed=set(), updated=set()) expected = dict(current=vif_port_set, added=set([3]), removed=set([2]), updated=set([4])) actual = self._mock_scan_ports(vif_port_set, previous, set([4])) self.assertEqual(expected, actual) def test_scan_ports_with_unknown_updated_ports(self): vif_port_set = set([1, 3, 4]) previous = dict(current=set([1, 2, 4]), added=set(), removed=set(), updated=set()) expected = dict(current=vif_port_set, added=set([3]), removed=set([2]), updated=set([4])) actual = self._mock_scan_ports(vif_port_set, previous, updated_ports=set([4, 5])) self.assertEqual(expected, actual)