# 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 mock from neutron_lib.api.definitions import portbindings from neutron_lib import constants from neutron_lib.plugins.ml2 import api import testtools from neutron.plugins.common import constants as p_const from neutron.plugins.ml2.drivers.mech_sriov.mech_driver \ import exceptions as exc from neutron.plugins.ml2.drivers.mech_sriov.mech_driver import mech_driver from neutron.tests.unit.plugins.ml2 import _test_mech_agent as base class TestFakePortContext(base.FakePortContext): def __init__(self, agent_type, agents, segments, vnic_type=portbindings.VNIC_NORMAL, profile=None): super(TestFakePortContext, self).__init__(agent_type, agents, segments, vnic_type=vnic_type, profile=profile) def set_binding(self, segment_id, vif_type, vif_details, state): self._bound_segment_id = segment_id self._bound_vif_type = vif_type self._bound_vif_details = vif_details self._bound_state = state class SriovNicSwitchMechanismBaseTestCase(base.AgentMechanismBaseTestCase): VIF_TYPE = portbindings.VIF_TYPE_HW_VEB CAP_PORT_FILTER = False AGENT_TYPE = constants.AGENT_TYPE_NIC_SWITCH VLAN_SEGMENTS = base.AgentMechanismVlanTestCase.VLAN_SEGMENTS GOOD_MAPPINGS = {'fake_physical_network': ['fake_device']} GOOD_CONFIGS = {'device_mappings': GOOD_MAPPINGS} BAD_MAPPINGS = {'wrong_physical_network': ['wrong_device']} BAD_CONFIGS = {'device_mappings': BAD_MAPPINGS} AGENTS = [{'alive': True, 'configurations': GOOD_CONFIGS}] AGENTS_DEAD = [{'alive': False, 'configurations': GOOD_CONFIGS}] AGENTS_BAD = [{'alive': False, 'configurations': GOOD_CONFIGS}, {'alive': True, 'configurations': BAD_CONFIGS}] def setUp(self): super(SriovNicSwitchMechanismBaseTestCase, self).setUp() self.driver = mech_driver.SriovNicSwitchMechanismDriver() self.driver.initialize() class SriovSwitchMechGenericTestCase(SriovNicSwitchMechanismBaseTestCase, base.AgentMechanismGenericTestCase): def test_check_segment(self): """Validate the check_segment call.""" segment = {'api.NETWORK_TYPE': ""} segment[api.NETWORK_TYPE] = p_const.TYPE_VLAN self.assertTrue(self.driver.check_segment_for_agent(segment)) # Validate a network type not currently supported segment[api.NETWORK_TYPE] = p_const.TYPE_GRE self.assertFalse(self.driver.check_segment_for_agent(segment)) def test_check_segment_allows_supported_network_types(self): for network_type in self.driver.get_allowed_network_types(agent=None): segment = {api.NETWORK_TYPE: network_type} self.assertTrue(self.driver.check_segment_for_agent(segment)) class SriovMechVlanTestCase(SriovNicSwitchMechanismBaseTestCase, base.AgentMechanismBaseTestCase): VLAN_SEGMENTS = [{api.ID: 'unknown_segment_id', api.NETWORK_TYPE: 'no_such_type'}, {api.ID: 'vlan_segment_id', api.NETWORK_TYPE: 'vlan', api.PHYSICAL_NETWORK: 'fake_physical_network', api.SEGMENTATION_ID: 1234}] def test_type_vlan(self): context = TestFakePortContext(self.AGENT_TYPE, self.AGENTS, self.VLAN_SEGMENTS, portbindings.VNIC_DIRECT) self.driver.bind_port(context) self._check_bound(context, self.VLAN_SEGMENTS[1]) def test_type_vlan_bad(self): context = TestFakePortContext(self.AGENT_TYPE, self.AGENTS_BAD, self.VLAN_SEGMENTS, portbindings.VNIC_DIRECT) self.driver.bind_port(context) self._check_unbound(context) class SriovSwitchMechVnicTypeTestCase(SriovNicSwitchMechanismBaseTestCase): def _check_vif_type_for_vnic_type(self, vnic_type, expected_vif_type): context = TestFakePortContext(self.AGENT_TYPE, self.AGENTS, self.VLAN_SEGMENTS, vnic_type) self.driver.bind_port(context) self.assertEqual(expected_vif_type, context._bound_vif_type) vlan = int(context._bound_vif_details[portbindings.VIF_DETAILS_VLAN]) self.assertEqual(1234, vlan) def test_vnic_type_direct(self): self._check_vif_type_for_vnic_type(portbindings.VNIC_DIRECT, portbindings.VIF_TYPE_HW_VEB) def test_vnic_type_macvtap(self): self._check_vif_type_for_vnic_type(portbindings.VNIC_MACVTAP, portbindings.VIF_TYPE_HW_VEB) def test_vnic_type_direct_physical(self): self._check_vif_type_for_vnic_type(portbindings.VNIC_DIRECT_PHYSICAL, portbindings.VIF_TYPE_HOSTDEV_PHY) @mock.patch.object(mech_driver.SriovNicSwitchMechanismDriver, 'try_to_bind_segment_for_agent') def test_vnic_type_direct_with_switchdev_cap(self, mocked_bind_segment): profile = {'capabilities': ['switchdev']} context = TestFakePortContext(self.AGENT_TYPE, self.AGENTS, self.VLAN_SEGMENTS, portbindings.VNIC_DIRECT, profile) self.driver.bind_port(context) mocked_bind_segment.assert_not_called() class SriovSwitchMechVifDetailsTestCase(SriovNicSwitchMechanismBaseTestCase): VLAN_SEGMENTS = [{api.ID: 'vlan_segment_id', api.NETWORK_TYPE: 'vlan', api.PHYSICAL_NETWORK: 'fake_physical_network', api.SEGMENTATION_ID: 1234}] def test_vif_details_contains_vlan_id(self): context = TestFakePortContext(self.AGENT_TYPE, self.AGENTS, self.VLAN_SEGMENTS, portbindings.VNIC_DIRECT) self.driver.bind_port(context) vif_details = context._bound_vif_details self.assertIsNotNone(vif_details) vlan_id = int(vif_details.get(portbindings.VIF_DETAILS_VLAN)) self.assertEqual(1234, vlan_id) def test_get_vif_details_for_flat_network(self): segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT} vif_details = self.driver._get_vif_details(segment) vlan_id = vif_details[portbindings.VIF_DETAILS_VLAN] self.assertEqual('0', vlan_id) def test_get_vif_details_unsupported_net(self): segment = {api.NETWORK_TYPE: 'foo'} with testtools.ExpectedException(exc.SriovUnsupportedNetworkType): self.driver._get_vif_details(segment) def test_get_vif_details_with_agent(self): context = TestFakePortContext(self.AGENT_TYPE, self.AGENTS, self.VLAN_SEGMENTS, portbindings.VNIC_DIRECT) self.driver.bind_port(context) self.assertEqual(constants.PORT_STATUS_DOWN, context._bound_state) def test_get_vif_details_with_agent_direct_physical(self): context = TestFakePortContext(self.AGENT_TYPE, self.AGENTS, self.VLAN_SEGMENTS, portbindings.VNIC_DIRECT_PHYSICAL) self.driver.bind_port(context) self.assertEqual(constants.PORT_STATUS_ACTIVE, context._bound_state)