# Copyright (c) 2012 OpenStack Foundation. # # 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 oslo.config import cfg from oslo.db import exception as db_exc from oslo.db.sqlalchemy import session from six import moves import testtools from testtools import matchers from neutron.common import exceptions as n_exc from neutron.db import api as db from neutron.plugins.openvswitch import ovs_db_v2 from neutron.plugins.openvswitch import ovs_models_v2 as ovs_models from neutron.tests import base from neutron.tests.unit import test_db_plugin as test_plugin PHYS_NET = 'physnet1' PHYS_NET_2 = 'physnet2' VLAN_MIN = 10 VLAN_MAX = 19 VLAN_RANGES = {PHYS_NET: [(VLAN_MIN, VLAN_MAX)]} UPDATED_VLAN_RANGES = {PHYS_NET: [(VLAN_MIN + 5, VLAN_MAX + 5)], PHYS_NET_2: [(VLAN_MIN + 20, VLAN_MAX + 20)]} TUN_MIN = 100 TUN_MAX = 109 TUNNEL_RANGES = [(TUN_MIN, TUN_MAX)] UPDATED_TUNNEL_RANGES = [(TUN_MIN + 5, TUN_MAX + 5)] PLUGIN_NAME = ('neutron.plugins.openvswitch.' 'ovs_neutron_plugin.OVSNeutronPluginV2') class VlanAllocationsTest(base.BaseTestCase): def setUp(self): super(VlanAllocationsTest, self).setUp() db.configure_db() ovs_db_v2.sync_vlan_allocations(VLAN_RANGES) self.session = db.get_session() self.addCleanup(db.clear_db) def test_sync_vlan_allocations(self): self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MIN - 1)) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MIN).allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MIN + 1).allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MAX - 1).allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MAX).allocated) self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MAX + 1)) ovs_db_v2.sync_vlan_allocations(UPDATED_VLAN_RANGES) self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MIN + 5 - 1)) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MIN + 5). allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MIN + 5 + 1). allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MAX + 5 - 1). allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MAX + 5). allocated) self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MAX + 5 + 1)) self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET_2, VLAN_MIN + 20 - 1)) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET_2, VLAN_MIN + 20). allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET_2, VLAN_MIN + 20 + 1). allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET_2, VLAN_MAX + 20 - 1). allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET_2, VLAN_MAX + 20). allocated) self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET_2, VLAN_MAX + 20 + 1)) ovs_db_v2.sync_vlan_allocations(VLAN_RANGES) self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MIN - 1)) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MIN).allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MIN + 1).allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MAX - 1).allocated) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MAX).allocated) self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, VLAN_MAX + 1)) self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET_2, VLAN_MIN + 20)) self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET_2, VLAN_MAX + 20)) def test_vlan_pool(self): vlan_ids = set() for x in moves.xrange(VLAN_MIN, VLAN_MAX + 1): physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session) self.assertEqual(physical_network, PHYS_NET) self.assertThat(vlan_id, matchers.GreaterThan(VLAN_MIN - 1)) self.assertThat(vlan_id, matchers.LessThan(VLAN_MAX + 1)) vlan_ids.add(vlan_id) with testtools.ExpectedException(n_exc.NoNetworkAvailable): physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session) ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_ids.pop(), VLAN_RANGES) physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session) self.assertEqual(physical_network, PHYS_NET) self.assertThat(vlan_id, matchers.GreaterThan(VLAN_MIN - 1)) self.assertThat(vlan_id, matchers.LessThan(VLAN_MAX + 1)) vlan_ids.add(vlan_id) for vlan_id in vlan_ids: ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_id, VLAN_RANGES) def test_specific_vlan_inside_pool(self): vlan_id = VLAN_MIN + 5 self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id).allocated) ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id) self.assertTrue(ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id).allocated) with testtools.ExpectedException(n_exc.VlanIdInUse): ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id) ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_id, VLAN_RANGES) self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id).allocated) def test_specific_vlan_outside_pool(self): vlan_id = VLAN_MAX + 5 self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id)) ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id) self.assertTrue(ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id).allocated) with testtools.ExpectedException(n_exc.VlanIdInUse): ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id) ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_id, VLAN_RANGES) self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id)) def test_sync_with_allocated_false(self): vlan_ids = set() for x in moves.xrange(VLAN_MIN, VLAN_MAX + 1): physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session) self.assertEqual(physical_network, PHYS_NET) self.assertThat(vlan_id, matchers.GreaterThan(VLAN_MIN - 1)) self.assertThat(vlan_id, matchers.LessThan(VLAN_MAX + 1)) vlan_ids.add(vlan_id) ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_ids.pop(), VLAN_RANGES) ovs_db_v2.sync_vlan_allocations({}) class TunnelAllocationsTest(base.BaseTestCase): def setUp(self): super(TunnelAllocationsTest, self).setUp() db.configure_db() ovs_db_v2.sync_tunnel_allocations(TUNNEL_RANGES) self.session = db.get_session() self.addCleanup(db.clear_db) def test_sync_tunnel_allocations(self): self.assertIsNone(ovs_db_v2.get_tunnel_allocation(TUN_MIN - 1)) self.assertFalse(ovs_db_v2.get_tunnel_allocation(TUN_MIN).allocated) self.assertFalse(ovs_db_v2.get_tunnel_allocation(TUN_MIN + 1). allocated) self.assertFalse(ovs_db_v2.get_tunnel_allocation(TUN_MAX - 1). allocated) self.assertFalse(ovs_db_v2.get_tunnel_allocation(TUN_MAX).allocated) self.assertIsNone(ovs_db_v2.get_tunnel_allocation(TUN_MAX + 1)) ovs_db_v2.sync_tunnel_allocations(UPDATED_TUNNEL_RANGES) self.assertIsNone(ovs_db_v2.get_tunnel_allocation(TUN_MIN + 5 - 1)) self.assertFalse(ovs_db_v2.get_tunnel_allocation(TUN_MIN + 5). allocated) self.assertFalse(ovs_db_v2.get_tunnel_allocation(TUN_MIN + 5 + 1). allocated) self.assertFalse(ovs_db_v2.get_tunnel_allocation(TUN_MAX + 5 - 1). allocated) self.assertFalse(ovs_db_v2.get_tunnel_allocation(TUN_MAX + 5). allocated) self.assertIsNone(ovs_db_v2.get_tunnel_allocation(TUN_MAX + 5 + 1)) def test_tunnel_pool(self): tunnel_ids = set() for x in moves.xrange(TUN_MIN, TUN_MAX + 1): tunnel_id = ovs_db_v2.reserve_tunnel(self.session) self.assertThat(tunnel_id, matchers.GreaterThan(TUN_MIN - 1)) self.assertThat(tunnel_id, matchers.LessThan(TUN_MAX + 1)) tunnel_ids.add(tunnel_id) with testtools.ExpectedException(n_exc.NoNetworkAvailable): tunnel_id = ovs_db_v2.reserve_tunnel(self.session) ovs_db_v2.release_tunnel(self.session, tunnel_ids.pop(), TUNNEL_RANGES) tunnel_id = ovs_db_v2.reserve_tunnel(self.session) self.assertThat(tunnel_id, matchers.GreaterThan(TUN_MIN - 1)) self.assertThat(tunnel_id, matchers.LessThan(TUN_MAX + 1)) tunnel_ids.add(tunnel_id) for tunnel_id in tunnel_ids: ovs_db_v2.release_tunnel(self.session, tunnel_id, TUNNEL_RANGES) def test_add_tunnel_endpoints(self): tun_1 = ovs_db_v2.add_tunnel_endpoint('192.168.0.1') tun_2 = ovs_db_v2.add_tunnel_endpoint('192.168.0.2') self.assertEqual(1, tun_1.id) self.assertEqual('192.168.0.1', tun_1.ip_address) self.assertEqual(2, tun_2.id) self.assertEqual('192.168.0.2', tun_2.ip_address) def test_specific_tunnel_inside_pool(self): tunnel_id = TUN_MIN + 5 self.assertFalse(ovs_db_v2.get_tunnel_allocation(tunnel_id).allocated) ovs_db_v2.reserve_specific_tunnel(self.session, tunnel_id) self.assertTrue(ovs_db_v2.get_tunnel_allocation(tunnel_id).allocated) with testtools.ExpectedException(n_exc.TunnelIdInUse): ovs_db_v2.reserve_specific_tunnel(self.session, tunnel_id) ovs_db_v2.release_tunnel(self.session, tunnel_id, TUNNEL_RANGES) self.assertFalse(ovs_db_v2.get_tunnel_allocation(tunnel_id).allocated) def test_specific_tunnel_outside_pool(self): tunnel_id = TUN_MAX + 5 self.assertIsNone(ovs_db_v2.get_tunnel_allocation(tunnel_id)) ovs_db_v2.reserve_specific_tunnel(self.session, tunnel_id) self.assertTrue(ovs_db_v2.get_tunnel_allocation(tunnel_id).allocated) with testtools.ExpectedException(n_exc.TunnelIdInUse): ovs_db_v2.reserve_specific_tunnel(self.session, tunnel_id) ovs_db_v2.release_tunnel(self.session, tunnel_id, TUNNEL_RANGES) self.assertIsNone(ovs_db_v2.get_tunnel_allocation(tunnel_id)) def test_add_tunnel_endpoint_create_new_endpoint(self): addr = '10.0.0.1' ovs_db_v2.add_tunnel_endpoint(addr) self.assertIsNotNone(self.session.query(ovs_models.TunnelEndpoint). filter_by(ip_address=addr).first()) def test_add_tunnel_endpoint_retrieve_an_existing_endpoint(self): addr = '10.0.0.1' self.session.add(ovs_models.TunnelEndpoint(ip_address=addr, id=1)) self.session.flush() tunnel = ovs_db_v2.add_tunnel_endpoint(addr) self.assertEqual(tunnel.id, 1) self.assertEqual(tunnel.ip_address, addr) def test_add_tunnel_endpoint_handle_duplicate_error(self): with mock.patch.object(session.Session, 'query') as query_mock: error = db_exc.DBDuplicateEntry(['id']) query_mock.side_effect = error with testtools.ExpectedException(n_exc.NeutronException): ovs_db_v2.add_tunnel_endpoint('10.0.0.1', 5) self.assertEqual(query_mock.call_count, 5) class NetworkBindingsTest(test_plugin.NeutronDbPluginV2TestCase): def setUp(self): cfg.CONF.set_override('network_vlan_ranges', ['physnet1:1000:2999'], group='OVS') super(NetworkBindingsTest, self).setUp(plugin=PLUGIN_NAME) db.configure_db() self.session = db.get_session() def test_add_network_binding(self): params = {'provider:network_type': 'vlan', 'provider:physical_network': PHYS_NET, 'provider:segmentation_id': 1234} params['arg_list'] = tuple(params.keys()) with self.network(**params) as network: TEST_NETWORK_ID = network['network']['id'] binding = ovs_db_v2.get_network_binding(self.session, TEST_NETWORK_ID) self.assertIsNotNone(binding) self.assertEqual(binding.network_id, TEST_NETWORK_ID) self.assertEqual(binding.network_type, 'vlan') self.assertEqual(binding.physical_network, PHYS_NET) self.assertEqual(binding.segmentation_id, 1234)