157 lines
6.3 KiB
Python
157 lines
6.3 KiB
Python
# Copyright (c) 2015 Red Hat, Inc.
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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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import functools
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from neutron_lib import exceptions
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from neutron_lib.utils import net
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from oslo_config import cfg
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from oslo_utils import uuidutils
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import testtools
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from neutron.agent.linux import interface
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from neutron.agent.linux import ip_lib
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from neutron.common import utils
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from neutron.conf.agent import common as config
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from neutron.tests.common import net_helpers
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from neutron.tests.functional.agent.linux import base as linux_base
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from neutron.tests.functional import base
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class InterfaceDriverTestCaseMixin(object):
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def _test_mtu_set_after_action(self, device_name, br_name, namespace,
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action=None):
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mac_address = net.get_random_mac('fa:16:3e:00:00:00'.split(':'))
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plug = functools.partial(
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self.interface.plug,
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network_id=uuidutils.generate_uuid(),
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port_id=uuidutils.generate_uuid(),
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device_name=device_name,
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mac_address=mac_address,
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bridge=self.bridge_name,
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namespace=namespace)
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plug(mtu=1500)
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self.assertTrue(ip_lib.device_exists(device_name, namespace))
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action = action or plug
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for mtu in (1450, 1500, 9000, 9000, 1450):
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action(mtu=mtu)
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self.assertEqual(
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mtu,
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ip_lib.IPDevice(device_name, namespace=namespace).link.mtu)
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def test_plug_multiple_calls_update_mtu(self):
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device_name = utils.get_rand_name()
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namespace = self.useFixture(net_helpers.NamespaceFixture()).name
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self._test_mtu_set_after_action(
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device_name, self.bridge_name, namespace)
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def test_set_mtu(self):
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device_name = utils.get_rand_name()
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namespace = self.useFixture(net_helpers.NamespaceFixture()).name
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self._test_mtu_set_after_action(
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device_name, self.bridge_name, namespace,
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functools.partial(
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self.interface.set_mtu,
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device_name=device_name, namespace=namespace))
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def test_ipv6_lla_create_and_get(self):
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lla_address = "fe80::f816:3eff:fe66:73bf/64"
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global_address = "2001::1/64"
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device_name = utils.get_rand_name()
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namespace = self.useFixture(net_helpers.NamespaceFixture())
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namespace.ip_wrapper.add_dummy(device_name)
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self.interface.add_ipv6_addr(
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device_name, lla_address, namespace.name, 'link')
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self.interface.add_ipv6_addr(
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device_name, global_address, namespace.name, 'global')
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existing_addresses = [
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a['cidr'] for a in self.interface.get_ipv6_llas(
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device_name, namespace.name)]
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self.assertIn(lla_address, existing_addresses)
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self.assertNotIn(global_address, existing_addresses)
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class OVSInterfaceDriverTestCase(linux_base.BaseOVSLinuxTestCase,
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InterfaceDriverTestCaseMixin):
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def setUp(self):
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super(OVSInterfaceDriverTestCase, self).setUp()
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conf = cfg.ConfigOpts()
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config.register_interface_opts(conf)
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self.interface = interface.OVSInterfaceDriver(conf)
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self.bridge = self.useFixture(net_helpers.OVSBridgeFixture()).bridge
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@property
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def bridge_name(self):
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return self.bridge.br_name
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def test_plug_checks_if_bridge_exists(self):
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with testtools.ExpectedException(exceptions.BridgeDoesNotExist):
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self.interface.plug(network_id=42,
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port_id=71,
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device_name='not_a_device',
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mac_address='',
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bridge='not_a_bridge',
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namespace='not_a_namespace')
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def test_plug_succeeds(self):
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device_name = utils.get_rand_name()
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mac_address = net.get_random_mac('fa:16:3e:00:00:00'.split(':'))
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namespace = self.useFixture(net_helpers.NamespaceFixture()).name
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self.assertFalse(self.bridge.get_port_name_list())
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self.interface.plug(network_id=uuidutils.generate_uuid(),
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port_id=uuidutils.generate_uuid(),
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device_name=device_name,
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mac_address=mac_address,
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bridge=self.bridge.br_name,
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namespace=namespace)
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self.assertIn(device_name, self.bridge.get_port_name_list())
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self.assertTrue(ip_lib.device_exists(device_name, namespace))
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def test_plug_with_namespace_sets_mtu_higher_than_bridge(self):
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# First, add a new linuxbridge port with reduced MTU to OVS bridge
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lb_bridge = self.useFixture(
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net_helpers.LinuxBridgeFixture()).bridge
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lb_bridge_port = self.useFixture(
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net_helpers.LinuxBridgePortFixture(lb_bridge))
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lb_bridge_port.port.link.set_mtu(1400)
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self.bridge.add_port(lb_bridge_port.port.name)
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device_name = utils.get_rand_name()
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namespace = self.useFixture(net_helpers.NamespaceFixture()).name
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# Now plug a device with intended MTU that is higher than for the port
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# above and validate that its MTU is not reduced to the least MTU on
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# the bridge
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self._test_mtu_set_after_action(
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device_name, self.bridge_name, namespace)
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class BridgeInterfaceDriverTestCase(base.BaseSudoTestCase,
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InterfaceDriverTestCaseMixin):
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def setUp(self):
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super(BridgeInterfaceDriverTestCase, self).setUp()
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conf = cfg.ConfigOpts()
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config.register_interface_opts(conf)
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self.interface = interface.BridgeInterfaceDriver(conf)
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self.bridge = self.useFixture(net_helpers.LinuxBridgeFixture()).bridge
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@property
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def bridge_name(self):
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return self.bridge.name
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