# Copyright (c) 2014 Thales Services SAS # 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. from neutron_lib import constants as p_const from neutron_lib import context from neutron_lib import exceptions as exc from neutron_lib.plugins.ml2 import api from oslo_config import cfg from neutron.objects.plugins.ml2 import flatallocation as flat_obj from neutron.plugins.ml2.drivers import type_flat from neutron.tests import base from neutron.tests.unit import testlib_api FLAT_NETWORKS = ['flat_net1', 'flat_net2'] CORE_PLUGIN = 'neutron.db.db_base_plugin_v2.NeutronDbPluginV2' class FlatTypeTest(testlib_api.SqlTestCase): def setUp(self): super(FlatTypeTest, self).setUp() self.setup_coreplugin(CORE_PLUGIN) cfg.CONF.set_override('flat_networks', FLAT_NETWORKS, group='ml2_type_flat') self.driver = type_flat.FlatTypeDriver() self.context = context.Context() self.driver.physnet_mtus = [] def _get_allocation(self, context, segment): return flat_obj.FlatAllocation.get_object( context, physical_network=segment[api.PHYSICAL_NETWORK]) def test_is_partial_segment(self): segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'flat_net1'} self.assertFalse(self.driver.is_partial_segment(segment)) def test_validate_provider_segment(self): segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'flat_net1'} self.driver.validate_provider_segment(segment) def test_validate_provider_phynet_name(self): self.driver._parse_networks([]) segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'flat_net1'} self.assertRaises(exc.InvalidInput, self.driver.validate_provider_segment, segment=segment) def test_validate_provider_phynet_name_multiple(self): self.driver._parse_networks(['flat_net1', 'flat_net2']) segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'flat_net1'} self.driver.validate_provider_segment(segment) segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'flat_net2'} self.driver.validate_provider_segment(segment) def test_validate_provider_segment_without_physnet_restriction(self): self.driver._parse_networks('*') segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'other_flat_net'} self.driver.validate_provider_segment(segment) def test_validate_provider_segment_with_missing_physical_network(self): segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT} self.assertRaises(exc.InvalidInput, self.driver.validate_provider_segment, segment) def test_validate_provider_segment_with_unsupported_physical_network(self): segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'other_flat_net'} self.assertRaises(exc.InvalidInput, self.driver.validate_provider_segment, segment) def test_validate_provider_segment_with_unallowed_segmentation_id(self): segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'flat_net1', api.SEGMENTATION_ID: 1234} self.assertRaises(exc.InvalidInput, self.driver.validate_provider_segment, segment) def test_reserve_provider_segment(self): segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'flat_net1'} observed = self.driver.reserve_provider_segment(self.context, segment) alloc = self._get_allocation(self.context, observed) self.assertEqual(segment[api.PHYSICAL_NETWORK], alloc.physical_network) def test_release_segment(self): segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'flat_net1'} self.driver.reserve_provider_segment(self.context, segment) self.driver.release_segment(self.context, segment) alloc = self._get_allocation(self.context, segment) self.assertIsNone(alloc) def test_reserve_provider_segment_already_reserved(self): segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'flat_net1'} self.driver.reserve_provider_segment(self.context, segment) self.assertRaises(exc.FlatNetworkInUse, self.driver.reserve_provider_segment, self.context, segment) def test_allocate_tenant_segment(self): observed = self.driver.allocate_tenant_segment(self.context) self.assertIsNone(observed) def test_get_mtu(self): cfg.CONF.set_override('global_physnet_mtu', 1475) cfg.CONF.set_override('path_mtu', 1400, group='ml2') self.driver.physnet_mtus = {'physnet1': 1450, 'physnet2': 1400} self.assertEqual(1450, self.driver.get_mtu('physnet1')) cfg.CONF.set_override('global_physnet_mtu', 1375) cfg.CONF.set_override('path_mtu', 1400, group='ml2') self.driver.physnet_mtus = {'physnet1': 1450, 'physnet2': 1400} self.assertEqual(1375, self.driver.get_mtu('physnet1')) cfg.CONF.set_override('global_physnet_mtu', 0) cfg.CONF.set_override('path_mtu', 1425, group='ml2') self.driver.physnet_mtus = {'physnet1': 1450, 'physnet2': 1400} self.assertEqual(1400, self.driver.get_mtu('physnet2')) cfg.CONF.set_override('global_physnet_mtu', 0) cfg.CONF.set_override('path_mtu', 0, group='ml2') self.driver.physnet_mtus = {} self.assertEqual(0, self.driver.get_mtu('physnet1')) def test_parse_physical_network_mtus(self): cfg.CONF.set_override( 'physical_network_mtus', ['physnet1:1500', 'physnet2:1500', 'physnet3:9000'], group='ml2') driver = type_flat.FlatTypeDriver() self.assertEqual('1500', driver.physnet_mtus['physnet1']) self.assertEqual('1500', driver.physnet_mtus['physnet2']) self.assertEqual('9000', driver.physnet_mtus['physnet3']) class FlatTypeDefaultTest(base.BaseTestCase): def setUp(self): super(FlatTypeDefaultTest, self).setUp() self.driver = type_flat.FlatTypeDriver() self.driver.physnet_mtus = [] def test_validate_provider_segment_default(self): segment = {api.NETWORK_TYPE: p_const.TYPE_FLAT, api.PHYSICAL_NETWORK: 'other_flat_net'} self.driver.validate_provider_segment(segment)