250 lines
11 KiB
Python
250 lines
11 KiB
Python
# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from unittest import mock
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from neutron_lib.utils import net
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from oslo_log import log as logging
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from oslo_utils import uuidutils
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import testtools
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from neutron.services.trunk.drivers.openvswitch.agent import trunk_manager
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from neutron.services.trunk.drivers.openvswitch import utils
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from neutron.tests.common import conn_testers
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from neutron.tests.common import helpers
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from neutron.tests.common import net_helpers
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from neutron.tests.functional import base
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from neutron.tests.functional import constants as test_constants
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LOG = logging.getLogger(__name__)
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VLAN_RANGE = set(range(1, test_constants.VLAN_COUNT - 1))
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class FakeOVSDBException(Exception):
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pass
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class TrunkParentPortTestCase(base.BaseSudoTestCase):
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def setUp(self):
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super(TrunkParentPortTestCase, self).setUp()
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trunk_id = uuidutils.generate_uuid()
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port_id = uuidutils.generate_uuid()
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port_mac = net.get_random_mac('fa:16:3e:00:00:00'.split(':'))
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self.trunk = trunk_manager.TrunkParentPort(trunk_id, port_id, port_mac)
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self.trunk.bridge = self.useFixture(
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net_helpers.OVSTrunkBridgeFixture(
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self.trunk.bridge.br_name)).bridge
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self.br_int = self.useFixture(net_helpers.OVSBridgeFixture()).bridge
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def test_plug(self):
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self.trunk.plug(self.br_int)
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self.assertIn(self.trunk.patch_port_trunk_name,
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self.trunk.bridge.get_port_name_list())
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self.assertIn(self.trunk.patch_port_int_name,
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self.br_int.get_port_name_list())
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def test_plug_failure_doesnt_create_ports(self):
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with mock.patch.object(
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self.trunk.bridge.ovsdb, 'db_set',
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side_effect=FakeOVSDBException):
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with testtools.ExpectedException(FakeOVSDBException):
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self.trunk.plug(self.br_int)
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self.assertNotIn(self.trunk.patch_port_trunk_name,
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self.trunk.bridge.get_port_name_list())
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self.assertNotIn(self.trunk.patch_port_int_name,
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self.br_int.get_port_name_list())
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def test_unplug(self):
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self.trunk.plug(self.br_int)
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self.trunk.unplug(self.br_int)
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self.assertFalse(
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self.trunk.bridge.bridge_exists(self.trunk.bridge.br_name))
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self.assertNotIn(self.trunk.patch_port_int_name,
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self.br_int.get_port_name_list())
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def test_unplug_failure_doesnt_delete_bridge(self):
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self.trunk.plug(self.br_int)
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with mock.patch.object(
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self.trunk.bridge.ovsdb, 'del_port',
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side_effect=FakeOVSDBException):
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with testtools.ExpectedException(FakeOVSDBException):
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self.trunk.unplug(self.br_int)
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self.assertTrue(
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self.trunk.bridge.bridge_exists(self.trunk.bridge.br_name))
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self.assertIn(self.trunk.patch_port_trunk_name,
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self.trunk.bridge.get_port_name_list())
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self.assertIn(self.trunk.patch_port_int_name,
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self.br_int.get_port_name_list())
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class SubPortTestCase(base.BaseSudoTestCase):
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def setUp(self):
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super(SubPortTestCase, self).setUp()
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trunk_id = uuidutils.generate_uuid()
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port_id = uuidutils.generate_uuid()
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port_mac = net.get_random_mac('fa:16:3e:00:00:00'.split(':'))
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trunk_bridge_name = utils.gen_trunk_br_name(trunk_id)
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trunk_bridge = self.useFixture(
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net_helpers.OVSTrunkBridgeFixture(trunk_bridge_name)).bridge
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segmentation_id = helpers.get_not_used_vlan(
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trunk_bridge, VLAN_RANGE)
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self.subport = trunk_manager.SubPort(
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trunk_id, port_id, port_mac, segmentation_id)
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self.subport.bridge = trunk_bridge
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self.br_int = self.useFixture(net_helpers.OVSBridgeFixture()).bridge
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def test_plug(self):
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self.subport.plug(self.br_int)
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self.assertIn(self.subport.patch_port_trunk_name,
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self.subport.bridge.get_port_name_list())
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self.assertIn(self.subport.patch_port_int_name,
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self.br_int.get_port_name_list())
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self.assertEqual(
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self.subport.segmentation_id,
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self.subport.bridge.db_get_val(
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'Port', self.subport.patch_port_trunk_name, 'tag'))
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def test_plug_failure_doesnt_create_ports(self):
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with mock.patch.object(
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self.subport.bridge.ovsdb, 'db_set',
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side_effect=FakeOVSDBException):
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with testtools.ExpectedException(FakeOVSDBException):
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self.subport.plug(self.br_int)
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self.assertNotIn(self.subport.patch_port_trunk_name,
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self.subport.bridge.get_port_name_list())
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self.assertNotIn(self.subport.patch_port_int_name,
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self.br_int.get_port_name_list())
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def test_unplug(self):
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self.subport.plug(self.br_int)
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self.subport.unplug(self.br_int)
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self.assertNotIn(self.subport.patch_port_trunk_name,
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self.subport.bridge.get_port_name_list())
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self.assertNotIn(self.subport.patch_port_int_name,
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self.br_int.get_port_name_list())
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def test_unplug_failure(self):
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self.subport.plug(self.br_int)
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with mock.patch.object(
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self.subport.bridge.ovsdb, 'del_port',
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side_effect=FakeOVSDBException):
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with testtools.ExpectedException(FakeOVSDBException):
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self.subport.unplug(self.br_int)
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self.assertIn(self.subport.patch_port_trunk_name,
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self.subport.bridge.get_port_name_list())
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self.assertIn(self.subport.patch_port_int_name,
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self.br_int.get_port_name_list())
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class TrunkManagerTestCase(base.BaseSudoTestCase):
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net1_cidr = '192.178.0.1/24'
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net2_cidr = '192.168.0.1/24'
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def setUp(self):
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super(TrunkManagerTestCase, self).setUp()
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trunk_id = uuidutils.generate_uuid()
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self.tester = self.useFixture(
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conn_testers.OVSTrunkConnectionTester(
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self.net1_cidr, utils.gen_trunk_br_name(trunk_id)))
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self.trunk_manager = trunk_manager.TrunkManager(
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self.tester.bridge)
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self.trunk = trunk_manager.TrunkParentPort(
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trunk_id, uuidutils.generate_uuid())
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def test_connectivity(self):
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"""Test connectivity with trunk and sub ports.
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In this test we create a vm that has a trunk on net1 and a vm peer on
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the same network. We check connectivity between the peer and the vm.
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We create a sub port on net2 and a peer, check connectivity again.
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"""
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vlan_net1 = helpers.get_not_used_vlan(self.tester.bridge, VLAN_RANGE)
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vlan_net2 = helpers.get_not_used_vlan(self.tester.bridge, VLAN_RANGE)
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trunk_mac = net.get_random_mac('fa:16:3e:00:00:00'.split(':'))
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sub_port_mac = net.get_random_mac('fa:16:3e:00:00:00'.split(':'))
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sub_port_segmentation_id = helpers.get_not_used_vlan(
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self.tester.bridge, VLAN_RANGE)
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LOG.debug("Using %(n1)d vlan tag as local vlan ID for net1 and %(n2)d "
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"for local vlan ID for net2", {
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'n1': vlan_net1, 'n2': vlan_net2})
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self.tester.set_peer_tag(vlan_net1)
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self.trunk_manager.create_trunk(self.trunk.trunk_id,
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self.trunk.port_id,
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trunk_mac)
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# tag the patch port, this should be done by the ovs agent but we mock
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# it for this test
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conn_testers.OVSBaseConnectionTester.set_tag(
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self.trunk.patch_port_int_name, self.tester.bridge, vlan_net1)
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self.tester.wait_for_connection(self.tester.INGRESS)
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self.tester.wait_for_connection(self.tester.EGRESS)
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self.tester.add_vlan_interface_and_peer(sub_port_segmentation_id,
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self.net2_cidr)
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conn_testers.OVSBaseConnectionTester.set_tag(
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self.tester._peer2.port.name, self.tester.bridge, vlan_net2)
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sub_port = trunk_manager.SubPort(self.trunk.trunk_id,
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uuidutils.generate_uuid(),
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sub_port_mac,
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sub_port_segmentation_id)
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self.trunk_manager.add_sub_port(sub_port.trunk_id,
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sub_port.port_id,
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sub_port.port_mac,
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sub_port.segmentation_id)
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# tag the patch port, this should be done by the ovs agent but we mock
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# it for this test
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conn_testers.OVSBaseConnectionTester.set_tag(
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sub_port.patch_port_int_name, self.tester.bridge, vlan_net2)
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self.tester.wait_for_sub_port_connectivity(self.tester.INGRESS)
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self.tester.wait_for_sub_port_connectivity(self.tester.EGRESS)
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self.trunk_manager.remove_sub_port(sub_port.trunk_id,
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sub_port.port_id)
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self.tester.wait_for_sub_port_no_connectivity(self.tester.INGRESS)
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self.tester.wait_for_sub_port_no_connectivity(self.tester.EGRESS)
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self.trunk_manager.remove_trunk(self.trunk.trunk_id,
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self.trunk.port_id)
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self.tester.wait_for_no_connection(self.tester.INGRESS)
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class TrunkManagerDisposeTrunkTestCase(base.BaseSudoTestCase):
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def setUp(self):
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super(TrunkManagerDisposeTrunkTestCase, self).setUp()
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trunk_id = uuidutils.generate_uuid()
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self.trunk = trunk_manager.TrunkParentPort(
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trunk_id, uuidutils.generate_uuid())
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self.trunk.bridge = self.useFixture(
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net_helpers.OVSTrunkBridgeFixture(
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self.trunk.bridge.br_name)).bridge
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self.br_int = self.useFixture(net_helpers.OVSBridgeFixture()).bridge
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self.trunk_manager = trunk_manager.TrunkManager(
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self.br_int)
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def test_dispose_trunk(self):
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self.trunk.plug(self.br_int)
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self.trunk_manager.dispose_trunk(self.trunk.bridge)
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self.assertFalse(
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self.trunk.bridge.bridge_exists(self.trunk.bridge.br_name))
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self.assertNotIn(self.trunk.patch_port_int_name,
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self.br_int.get_port_name_list())
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