571 lines
22 KiB
Python
571 lines
22 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 OpenStack Foundation
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# 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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import mock
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from neutron.agent.common import config
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from neutron.agent.linux import dhcp
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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.agent.linux import utils
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from neutron.extensions.flavor import (FLAVOR_NETWORK)
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from neutron.openstack.common import uuidutils
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from neutron.tests import base
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class BaseChild(interface.LinuxInterfaceDriver):
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def plug(*args):
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pass
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def unplug(*args):
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pass
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class FakeNetwork:
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id = '12345678-1234-5678-90ab-ba0987654321'
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class FakeSubnet:
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cidr = '192.168.1.1/24'
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class FakeAllocation:
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subnet = FakeSubnet()
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ip_address = '192.168.1.2'
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ip_version = 4
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class FakePort:
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id = 'abcdef01-1234-5678-90ab-ba0987654321'
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fixed_ips = [FakeAllocation]
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device_id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
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network = FakeNetwork()
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network_id = network.id
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class TestBase(base.BaseTestCase):
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def setUp(self):
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super(TestBase, self).setUp()
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self.conf = config.setup_conf()
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self.conf.register_opts(interface.OPTS)
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config.register_root_helper(self.conf)
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self.ip_dev_p = mock.patch.object(ip_lib, 'IPDevice')
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self.ip_dev = self.ip_dev_p.start()
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self.addCleanup(self.ip_dev_p.stop)
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self.ip_p = mock.patch.object(ip_lib, 'IPWrapper')
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self.ip = self.ip_p.start()
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self.addCleanup(self.ip_p.stop)
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self.device_exists_p = mock.patch.object(ip_lib, 'device_exists')
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self.device_exists = self.device_exists_p.start()
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self.addCleanup(self.device_exists_p.stop)
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class TestABCDriver(TestBase):
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def test_get_device_name(self):
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bc = BaseChild(self.conf)
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device_name = bc.get_device_name(FakePort())
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self.assertEqual('tapabcdef01-12', device_name)
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def test_l3_init(self):
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addresses = [dict(ip_version=4, scope='global',
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dynamic=False, cidr='172.16.77.240/24')]
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self.ip_dev().addr.list = mock.Mock(return_value=addresses)
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bc = BaseChild(self.conf)
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ns = '12345678-1234-5678-90ab-ba0987654321'
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bc.init_l3('tap0', ['192.168.1.2/24'], namespace=ns)
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self.ip_dev.assert_has_calls(
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[mock.call('tap0', 'sudo', namespace=ns),
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mock.call().addr.list(scope='global', filters=['permanent']),
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mock.call().addr.add(4, '192.168.1.2/24', '192.168.1.255'),
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mock.call().addr.delete(4, '172.16.77.240/24')])
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def test_l3_init_with_preserve(self):
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addresses = [dict(ip_version=4, scope='global',
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dynamic=False, cidr='192.168.1.3/32')]
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self.ip_dev().addr.list = mock.Mock(return_value=addresses)
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bc = BaseChild(self.conf)
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ns = '12345678-1234-5678-90ab-ba0987654321'
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bc.init_l3('tap0', ['192.168.1.2/24'], namespace=ns,
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preserve_ips=['192.168.1.3/32'])
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self.ip_dev.assert_has_calls(
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[mock.call('tap0', 'sudo', namespace=ns),
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mock.call().addr.list(scope='global', filters=['permanent']),
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mock.call().addr.add(4, '192.168.1.2/24', '192.168.1.255')])
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self.assertFalse(self.ip_dev().addr.delete.called)
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class TestOVSInterfaceDriver(TestBase):
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def test_get_device_name(self):
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br = interface.OVSInterfaceDriver(self.conf)
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device_name = br.get_device_name(FakePort())
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self.assertEqual('tapabcdef01-12', device_name)
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def test_plug_no_ns(self):
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self._test_plug()
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def test_plug_with_ns(self):
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self._test_plug(namespace='01234567-1234-1234-99')
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def test_plug_alt_bridge(self):
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self._test_plug(bridge='br-foo')
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def test_plug_configured_bridge(self):
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br = 'br-v'
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self.conf.set_override('ovs_use_veth', False)
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self.conf.set_override('ovs_integration_bridge', br)
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self.assertEqual(self.conf.ovs_integration_bridge, br)
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def device_exists(dev, root_helper=None, namespace=None):
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return dev == br
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ovs = interface.OVSInterfaceDriver(self.conf)
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with mock.patch.object(ovs, '_ovs_add_port') as add_port:
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self.device_exists.side_effect = device_exists
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ovs.plug('01234567-1234-1234-99',
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'port-1234',
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'tap0',
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'aa:bb:cc:dd:ee:ff',
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bridge=None,
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namespace=None)
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add_port.assert_called_once_with('br-v',
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'tap0',
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'port-1234',
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'aa:bb:cc:dd:ee:ff',
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internal=True)
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def _test_plug(self, additional_expectation=[], bridge=None,
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namespace=None):
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if not bridge:
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bridge = 'br-int'
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def device_exists(dev, root_helper=None, namespace=None):
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return dev == bridge
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vsctl_cmd = ['ovs-vsctl', '--', '--if-exists', 'del-port',
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'tap0', '--', 'add-port',
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bridge, 'tap0', '--', 'set', 'Interface', 'tap0',
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'type=internal', '--', 'set', 'Interface', 'tap0',
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'external-ids:iface-id=port-1234', '--', 'set',
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'Interface', 'tap0',
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'external-ids:iface-status=active', '--', 'set',
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'Interface', 'tap0',
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'external-ids:attached-mac=aa:bb:cc:dd:ee:ff']
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with mock.patch.object(utils, 'execute') as execute:
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ovs = interface.OVSInterfaceDriver(self.conf)
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self.device_exists.side_effect = device_exists
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ovs.plug('01234567-1234-1234-99',
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'port-1234',
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'tap0',
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'aa:bb:cc:dd:ee:ff',
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bridge=bridge,
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namespace=namespace)
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execute.assert_called_once_with(vsctl_cmd, 'sudo')
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expected = [mock.call('sudo'),
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mock.call().device('tap0'),
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mock.call().device().link.set_address('aa:bb:cc:dd:ee:ff')]
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expected.extend(additional_expectation)
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if namespace:
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expected.extend(
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[mock.call().ensure_namespace(namespace),
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mock.call().ensure_namespace().add_device_to_namespace(
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mock.ANY)])
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expected.extend([mock.call().device().link.set_up()])
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self.ip.assert_has_calls(expected)
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def test_mtu_int(self):
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self.assertIsNone(self.conf.network_device_mtu)
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self.conf.set_override('network_device_mtu', 9000)
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self.assertEqual(self.conf.network_device_mtu, 9000)
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def test_plug_mtu(self):
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self.conf.set_override('network_device_mtu', 9000)
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self._test_plug([mock.call().device().link.set_mtu(9000)])
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def test_unplug(self, bridge=None):
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if not bridge:
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bridge = 'br-int'
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with mock.patch('neutron.agent.linux.ovs_lib.OVSBridge') as ovs_br:
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ovs = interface.OVSInterfaceDriver(self.conf)
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ovs.unplug('tap0')
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ovs_br.assert_has_calls([mock.call(bridge, 'sudo'),
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mock.call().delete_port('tap0')])
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class TestOVSInterfaceDriverWithVeth(TestOVSInterfaceDriver):
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def setUp(self):
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super(TestOVSInterfaceDriverWithVeth, self).setUp()
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self.conf.set_override('ovs_use_veth', True)
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def test_get_device_name(self):
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br = interface.OVSInterfaceDriver(self.conf)
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device_name = br.get_device_name(FakePort())
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self.assertEqual('ns-abcdef01-12', device_name)
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def test_plug_with_prefix(self):
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self._test_plug(devname='qr-0', prefix='qr-')
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def _test_plug(self, devname=None, bridge=None, namespace=None,
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prefix=None, mtu=None):
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if not devname:
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devname = 'ns-0'
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if not bridge:
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bridge = 'br-int'
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def device_exists(dev, root_helper=None, namespace=None):
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return dev == bridge
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ovs = interface.OVSInterfaceDriver(self.conf)
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self.device_exists.side_effect = device_exists
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root_dev = mock.Mock()
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ns_dev = mock.Mock()
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self.ip().add_veth = mock.Mock(return_value=(root_dev, ns_dev))
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expected = [mock.call('sudo'),
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mock.call().add_veth('tap0', devname,
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namespace2=namespace)]
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vsctl_cmd = ['ovs-vsctl', '--', '--if-exists', 'del-port',
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'tap0', '--', 'add-port',
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bridge, 'tap0', '--', 'set', 'Interface', 'tap0',
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'external-ids:iface-id=port-1234', '--', 'set',
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'Interface', 'tap0',
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'external-ids:iface-status=active', '--', 'set',
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'Interface', 'tap0',
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'external-ids:attached-mac=aa:bb:cc:dd:ee:ff']
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with mock.patch.object(utils, 'execute') as execute:
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ovs.plug('01234567-1234-1234-99',
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'port-1234',
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devname,
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'aa:bb:cc:dd:ee:ff',
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bridge=bridge,
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namespace=namespace,
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prefix=prefix)
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execute.assert_called_once_with(vsctl_cmd, 'sudo')
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ns_dev.assert_has_calls(
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[mock.call.link.set_address('aa:bb:cc:dd:ee:ff')])
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if mtu:
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ns_dev.assert_has_calls([mock.call.link.set_mtu(mtu)])
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root_dev.assert_has_calls([mock.call.link.set_mtu(mtu)])
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self.ip.assert_has_calls(expected)
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root_dev.assert_has_calls([mock.call.link.set_up()])
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ns_dev.assert_has_calls([mock.call.link.set_up()])
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def test_plug_mtu(self):
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self.conf.set_override('network_device_mtu', 9000)
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self._test_plug(mtu=9000)
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def test_unplug(self, bridge=None):
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if not bridge:
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bridge = 'br-int'
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with mock.patch('neutron.agent.linux.ovs_lib.OVSBridge') as ovs_br:
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ovs = interface.OVSInterfaceDriver(self.conf)
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ovs.unplug('ns-0', bridge=bridge)
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ovs_br.assert_has_calls([mock.call(bridge, 'sudo'),
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mock.call().delete_port('tap0')])
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self.ip_dev.assert_has_calls([mock.call('ns-0', 'sudo', None),
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mock.call().link.delete()])
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class TestBridgeInterfaceDriver(TestBase):
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def test_get_device_name(self):
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br = interface.BridgeInterfaceDriver(self.conf)
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device_name = br.get_device_name(FakePort())
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self.assertEqual('ns-abcdef01-12', device_name)
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def test_plug_no_ns(self):
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self._test_plug()
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def test_plug_with_ns(self):
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self._test_plug(namespace='01234567-1234-1234-99')
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def _test_plug(self, namespace=None, mtu=None):
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def device_exists(device, root_helper=None, namespace=None):
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return device.startswith('brq')
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root_veth = mock.Mock()
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ns_veth = mock.Mock()
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self.ip().add_veth = mock.Mock(return_value=(root_veth, ns_veth))
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self.device_exists.side_effect = device_exists
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br = interface.BridgeInterfaceDriver(self.conf)
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mac_address = 'aa:bb:cc:dd:ee:ff'
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br.plug('01234567-1234-1234-99',
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'port-1234',
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'ns-0',
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mac_address,
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namespace=namespace)
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ip_calls = [mock.call('sudo'),
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mock.call().add_veth('tap0', 'ns-0', namespace2=namespace)]
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ns_veth.assert_has_calls([mock.call.link.set_address(mac_address)])
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if mtu:
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ns_veth.assert_has_calls([mock.call.link.set_mtu(mtu)])
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root_veth.assert_has_calls([mock.call.link.set_mtu(mtu)])
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self.ip.assert_has_calls(ip_calls)
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root_veth.assert_has_calls([mock.call.link.set_up()])
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ns_veth.assert_has_calls([mock.call.link.set_up()])
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def test_plug_dev_exists(self):
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self.device_exists.return_value = True
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with mock.patch('neutron.agent.linux.interface.LOG.warn') as log:
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br = interface.BridgeInterfaceDriver(self.conf)
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br.plug('01234567-1234-1234-99',
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'port-1234',
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'tap0',
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'aa:bb:cc:dd:ee:ff')
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self.ip_dev.assert_has_calls([])
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self.assertEqual(log.call_count, 1)
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def test_plug_mtu(self):
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self.device_exists.return_value = False
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self.conf.set_override('network_device_mtu', 9000)
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self._test_plug(mtu=9000)
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def test_unplug_no_device(self):
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self.device_exists.return_value = False
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self.ip_dev().link.delete.side_effect = RuntimeError
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with mock.patch('neutron.agent.linux.interface.LOG') as log:
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br = interface.BridgeInterfaceDriver(self.conf)
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br.unplug('tap0')
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[mock.call(), mock.call('tap0', 'sudo'), mock.call().link.delete()]
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self.assertEqual(log.error.call_count, 1)
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def test_unplug(self):
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self.device_exists.return_value = True
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with mock.patch('neutron.agent.linux.interface.LOG.debug') as log:
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br = interface.BridgeInterfaceDriver(self.conf)
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br.unplug('tap0')
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log.assert_called_once()
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self.ip_dev.assert_has_calls([mock.call('tap0', 'sudo', None),
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mock.call().link.delete()])
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class TestMetaInterfaceDriver(TestBase):
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def setUp(self):
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super(TestMetaInterfaceDriver, self).setUp()
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config.register_interface_driver_opts_helper(self.conf)
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self.conf.register_opts(dhcp.OPTS)
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self.client_cls_p = mock.patch('neutronclient.v2_0.client.Client')
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client_cls = self.client_cls_p.start()
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self.addCleanup(self.client_cls_p.stop)
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self.client_inst = mock.Mock()
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client_cls.return_value = self.client_inst
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fake_network = {'network': {FLAVOR_NETWORK: 'fake1'}}
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fake_port = {'ports':
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[{'mac_address':
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'aa:bb:cc:dd:ee:ffa', 'network_id': 'test'}]}
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self.client_inst.list_ports.return_value = fake_port
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self.client_inst.show_network.return_value = fake_network
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self.conf.set_override('auth_url', 'http://localhost:35357/v2.0')
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self.conf.set_override('auth_region', 'RegionOne')
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self.conf.set_override('admin_user', 'neutron')
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self.conf.set_override('admin_password', 'password')
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self.conf.set_override('admin_tenant_name', 'service')
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self.conf.set_override(
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'meta_flavor_driver_mappings',
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'fake1:neutron.agent.linux.interface.OVSInterfaceDriver,'
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'fake2:neutron.agent.linux.interface.BridgeInterfaceDriver')
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def test_get_driver_by_network_id(self):
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meta_interface = interface.MetaInterfaceDriver(self.conf)
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driver = meta_interface._get_driver_by_network_id('test')
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self.assertIsInstance(driver, interface.OVSInterfaceDriver)
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def test_set_device_plugin_tag(self):
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meta_interface = interface.MetaInterfaceDriver(self.conf)
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driver = meta_interface._get_driver_by_network_id('test')
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meta_interface._set_device_plugin_tag(driver,
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'tap0',
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namespace=None)
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expected = [mock.call('tap0', 'sudo', None),
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mock.call().link.set_alias('fake1')]
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self.ip_dev.assert_has_calls(expected)
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namespace = '01234567-1234-1234-99'
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meta_interface._set_device_plugin_tag(driver,
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'tap1',
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namespace=namespace)
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expected = [mock.call('tap1', 'sudo', '01234567-1234-1234-99'),
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mock.call().link.set_alias('fake1')]
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self.ip_dev.assert_has_calls(expected)
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def test_get_device_plugin_tag(self):
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meta_interface = interface.MetaInterfaceDriver(self.conf)
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self.ip_dev().link.alias = 'fake1'
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plugin_tag0 = meta_interface._get_device_plugin_tag('tap0',
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namespace=None)
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expected = [mock.call('tap0', 'sudo', None)]
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self.ip_dev.assert_has_calls(expected)
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self.assertEqual('fake1', plugin_tag0)
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namespace = '01234567-1234-1234-99'
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expected = [mock.call('tap1', 'sudo', '01234567-1234-1234-99')]
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plugin_tag1 = meta_interface._get_device_plugin_tag(
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'tap1',
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namespace=namespace)
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self.ip_dev.assert_has_calls(expected)
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self.assertEqual('fake1', plugin_tag1)
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class TestIVSInterfaceDriver(TestBase):
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def setUp(self):
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super(TestIVSInterfaceDriver, self).setUp()
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def test_get_device_name(self):
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br = interface.IVSInterfaceDriver(self.conf)
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device_name = br.get_device_name(FakePort())
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self.assertEqual('ns-abcdef01-12', device_name)
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|
def test_plug_with_prefix(self):
|
|
self._test_plug(devname='qr-0', prefix='qr-')
|
|
|
|
def _test_plug(self, devname=None, namespace=None,
|
|
prefix=None, mtu=None):
|
|
|
|
if not devname:
|
|
devname = 'ns-0'
|
|
|
|
def device_exists(dev, root_helper=None, namespace=None):
|
|
return dev == 'indigo'
|
|
|
|
ivs = interface.IVSInterfaceDriver(self.conf)
|
|
self.device_exists.side_effect = device_exists
|
|
|
|
root_dev = mock.Mock()
|
|
_ns_dev = mock.Mock()
|
|
ns_dev = mock.Mock()
|
|
self.ip().add_veth = mock.Mock(return_value=(root_dev, _ns_dev))
|
|
self.ip().device = mock.Mock(return_value=(ns_dev))
|
|
expected = [mock.call('sudo'), mock.call().add_veth('tap0', devname),
|
|
mock.call().device(devname)]
|
|
|
|
ivsctl_cmd = ['ivs-ctl', 'add-port', 'tap0']
|
|
|
|
with mock.patch.object(utils, 'execute') as execute:
|
|
ivs.plug('01234567-1234-1234-99',
|
|
'port-1234',
|
|
devname,
|
|
'aa:bb:cc:dd:ee:ff',
|
|
namespace=namespace,
|
|
prefix=prefix)
|
|
execute.assert_called_once_with(ivsctl_cmd, 'sudo')
|
|
|
|
ns_dev.assert_has_calls(
|
|
[mock.call.link.set_address('aa:bb:cc:dd:ee:ff')])
|
|
if mtu:
|
|
ns_dev.assert_has_calls([mock.call.link.set_mtu(mtu)])
|
|
root_dev.assert_has_calls([mock.call.link.set_mtu(mtu)])
|
|
if namespace:
|
|
expected.extend(
|
|
[mock.call().ensure_namespace(namespace),
|
|
mock.call().ensure_namespace().add_device_to_namespace(
|
|
mock.ANY)])
|
|
|
|
self.ip.assert_has_calls(expected)
|
|
root_dev.assert_has_calls([mock.call.link.set_up()])
|
|
ns_dev.assert_has_calls([mock.call.link.set_up()])
|
|
|
|
def test_plug_mtu(self):
|
|
self.conf.set_override('network_device_mtu', 9000)
|
|
self._test_plug(mtu=9000)
|
|
|
|
def test_plug_namespace(self):
|
|
self._test_plug(namespace='mynamespace')
|
|
|
|
def test_unplug(self):
|
|
ivs = interface.IVSInterfaceDriver(self.conf)
|
|
ivsctl_cmd = ['ivs-ctl', 'del-port', 'tap0']
|
|
with mock.patch.object(utils, 'execute') as execute:
|
|
ivs.unplug('ns-0')
|
|
execute.assert_called_once_with(ivsctl_cmd, 'sudo')
|
|
self.ip_dev.assert_has_calls([mock.call('ns-0', 'sudo', None),
|
|
mock.call().link.delete()])
|
|
|
|
|
|
class TestMidonetInterfaceDriver(TestBase):
|
|
def setUp(self):
|
|
self.conf = config.setup_conf()
|
|
self.conf.register_opts(interface.OPTS)
|
|
config.register_root_helper(self.conf)
|
|
self.device_exists_p = mock.patch.object(ip_lib, 'device_exists')
|
|
self.device_exists = self.device_exists_p.start()
|
|
self.addCleanup(mock.patch.stopall)
|
|
self.driver = interface.MidonetInterfaceDriver(self.conf)
|
|
self.network_id = uuidutils.generate_uuid()
|
|
self.port_id = uuidutils.generate_uuid()
|
|
self.device_name = "tap0"
|
|
self.mac_address = "aa:bb:cc:dd:ee:ff"
|
|
self.bridge = "br-test"
|
|
self.namespace = "ns-test"
|
|
super(TestMidonetInterfaceDriver, self).setUp()
|
|
|
|
def test_plug(self):
|
|
cmd = ['mm-ctl', '--bind-port', self.port_id, 'tap0']
|
|
self.device_exists.return_value = False
|
|
|
|
root_dev = mock.Mock()
|
|
ns_dev = mock.Mock()
|
|
self.ip().add_veth = mock.Mock(return_value=(root_dev, ns_dev))
|
|
with mock.patch.object(utils, 'execute') as execute:
|
|
self.driver.plug(
|
|
self.network_id, self.port_id,
|
|
self.device_name, self.mac_address,
|
|
self.bridge, self.namespace)
|
|
execute.assert_called_once_with(cmd, 'sudo')
|
|
|
|
expected = [mock.call(), mock.call('sudo'),
|
|
mock.call().add_veth(self.device_name,
|
|
self.device_name,
|
|
namespace2=self.namespace),
|
|
mock.call().ensure_namespace(self.namespace),
|
|
mock.call().ensure_namespace().add_device_to_namespace(
|
|
mock.ANY)]
|
|
|
|
ns_dev.assert_has_calls(
|
|
[mock.call.link.set_address(self.mac_address)])
|
|
|
|
root_dev.assert_has_calls([mock.call.link.set_up()])
|
|
ns_dev.assert_has_calls([mock.call.link.set_up()])
|
|
self.ip.assert_has_calls(expected, True)
|
|
|
|
def test_unplug(self):
|
|
self.driver.unplug(self.device_name, self.bridge, self.namespace)
|
|
|
|
self.ip_dev.assert_has_calls([
|
|
mock.call(self.device_name, self.driver.root_helper,
|
|
self.namespace),
|
|
mock.call().link.delete()])
|
|
self.ip.assert_has_calls(mock.call().garbage_collect_namespace())
|