# 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 import constants from oslo_config import cfg import testtools from neutron.extensions import portbindings from neutron.plugins.common import constants as p_const from neutron.plugins.ml2 import config # noqa from neutron.plugins.ml2 import driver_api as api 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 MELLANOX_CONNECTX3_PCI_INFO = '15b3:1004' DEFAULT_PCI_INFO = ['15b3:1004', '8086:10ca'] class TestFakePortContext(base.FakePortContext): def __init__(self, agent_type, agents, segments, vnic_type=portbindings.VNIC_NORMAL, profile={'pci_vendor_info': MELLANOX_CONNECTX3_PCI_INFO}): super(TestFakePortContext, self).__init__(agent_type, agents, segments, vnic_type) self._bound_profile = profile @property def current(self): return {'id': base.PORT_ID, portbindings.VNIC_TYPE: self._bound_vnic_type, portbindings.PROFILE: self._bound_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 = mech_driver.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): cfg.CONF.set_override('supported_pci_vendor_devs', DEFAULT_PCI_INFO, 'ml2_sriov') 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, mech_driver.VIF_TYPE_HW_VEB) def test_vnic_type_macvtap(self): self._check_vif_type_for_vnic_type(portbindings.VNIC_MACVTAP, mech_driver.VIF_TYPE_HW_VEB) def test_vnic_type_direct_physical(self): self._check_vif_type_for_vnic_type(portbindings.VNIC_DIRECT_PHYSICAL, mech_driver.VIF_TYPE_HOSTDEV_PHY) class SriovSwitchMechProfileTestCase(SriovNicSwitchMechanismBaseTestCase): def _check_vif_for_pci_info(self, pci_vendor_info, expected_vif_type): context = TestFakePortContext(self.AGENT_TYPE, self.AGENTS, self.VLAN_SEGMENTS, portbindings.VNIC_DIRECT, {'pci_vendor_info': pci_vendor_info}) self.driver.bind_port(context) self.assertEqual(expected_vif_type, context._bound_vif_type) def test_profile_supported_pci_info(self): self._check_vif_for_pci_info(MELLANOX_CONNECTX3_PCI_INFO, mech_driver.VIF_TYPE_HW_VEB) def test_profile_unsupported_pci_info(self): with mock.patch('neutron.plugins.ml2.drivers.mech_sriov.' 'mech_driver.mech_driver.LOG') as log_mock: self._check_vif_for_pci_info('xxxx:yyyy', None) log_mock.debug.assert_called_with('Refusing to bind due to ' 'unsupported pci_vendor device') class SriovSwitchMechProfileFailTestCase(SriovNicSwitchMechanismBaseTestCase): def _check_for_pci_vendor_info(self, pci_vendor_info): context = TestFakePortContext(self.AGENT_TYPE, self.AGENTS, self.VLAN_SEGMENTS, portbindings.VNIC_DIRECT, pci_vendor_info) self.driver._check_supported_pci_vendor_device(context) def test_profile_missing_profile(self): with mock.patch('neutron.plugins.ml2.drivers.mech_sriov.' 'mech_driver.mech_driver.LOG') as log_mock: self._check_for_pci_vendor_info({}) log_mock.debug.assert_called_with("Missing profile in port" " binding") def test_profile_missing_pci_vendor_info(self): with mock.patch('neutron.plugins.ml2.drivers.mech_sriov.' 'mech_driver.mech_driver.LOG') as log_mock: self._check_for_pci_vendor_info({'aa': 'bb'}) log_mock.debug.assert_called_with("Missing pci vendor" " info in profile") 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) class SriovSwitchMechConfigTestCase(SriovNicSwitchMechanismBaseTestCase): def _set_config(self, pci_devs=['aa:bb']): cfg.CONF.set_override('mechanism_drivers', ['logger', 'sriovnicswitch'], 'ml2') cfg.CONF.set_override('supported_pci_vendor_devs', pci_devs, 'ml2_sriov') def test_pci_vendor_config_single_entry(self): self._set_config() self.driver.initialize() self.assertEqual(['aa:bb'], self.driver.pci_vendor_info) def test_pci_vendor_config_multiple_entry(self): self._set_config(['x:y', 'a:b']) self.driver.initialize() self.assertEqual(['x:y', 'a:b'], self.driver.pci_vendor_info) def test_pci_vendor_config_default_entry(self): self.driver.initialize() self.assertEqual(DEFAULT_PCI_INFO, self.driver.pci_vendor_info) def test_pci_vendor_config_wrong_entry(self): self._set_config(['wrong_entry']) self.assertRaises(cfg.Error, self.driver.initialize) def test_initialize_missing_product_id(self): self._set_config(['vendor_id:']) self.assertRaises(cfg.Error, self.driver.initialize) def test_initialize_missing_vendor_id(self): self._set_config([':product_id']) self.assertRaises(cfg.Error, self.driver.initialize) def test_initialize_multiple_colons(self): self._set_config(['foo:bar:baz']) self.assertRaises(cfg.Error, self.driver.initialize) def test_initialize_empty_string(self): self._set_config(['']) self.assertRaises(cfg.Error, self.driver.initialize)