292 lines
13 KiB
Python
292 lines
13 KiB
Python
# Copyright (C) 2015 Midokura SARL.
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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 contextlib
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import testtools
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from unittest import mock
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from neutron_lib import constants
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from neutron_lib import context
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from neutron_lib import rpc as n_rpc
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from neutron_lib.utils import net as n_utils
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from oslo_config import cfg
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from oslo_utils import uuidutils
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from neutron.tests.unit import testlib_api
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import neutron_taas.db.taas_db # noqa
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import neutron_taas.extensions.taas as taas_ext
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from neutron_taas.services.taas.service_drivers import taas_agent_api
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from neutron_taas.services.taas.service_drivers import taas_rpc
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from neutron_taas.services.taas import taas_plugin
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class DummyError(Exception):
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pass
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class TestTaasPlugin(testlib_api.SqlTestCase):
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def setUp(self):
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super(TestTaasPlugin, self).setUp()
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mock.patch.object(n_rpc, 'Connection', auto_spec=True).start()
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mock.patch.object(taas_agent_api,
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'TaasAgentApi', auto_spec=True).start()
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self.driver = mock.MagicMock()
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mock.patch('neutron.services.service_base.load_drivers',
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return_value=({'dummy_provider': self.driver},
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'dummy_provider')).start()
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mock.patch('neutron.db.servicetype_db.ServiceTypeManager.get_instance',
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return_value=mock.MagicMock()).start()
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self._plugin = taas_plugin.TaasPlugin()
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self._context = context.get_admin_context()
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self.taas_cbs = taas_rpc.TaasCallbacks(self.driver, self._plugin)
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self._project_id = self._tenant_id = 'tenant-X'
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self._network_id = uuidutils.generate_uuid()
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self._host_id = 'host-A'
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self._port_id = uuidutils.generate_uuid()
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self._port_details = {
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'tenant_id': self._tenant_id,
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'binding:host_id': self._host_id,
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'mac_address': n_utils.get_random_mac(
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'fa:16:3e:00:00:00'.split(':')),
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}
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self._tap_service = {
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'tenant_id': self._tenant_id,
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'name': 'MyTap',
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'description': 'This is my tap service',
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'port_id': self._port_id,
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'project_id': self._project_id,
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}
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self.vlan_filter = "1-5,9,18,27-30,99-108,4000-4095"
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self._tap_flow = {
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'description': 'This is my tap flow',
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'direction': 'BOTH',
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'name': 'MyTapFlow',
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'source_port': self._port_id,
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'tenant_id': self._tenant_id,
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'project_id': self._project_id,
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'vlan_filter': self.vlan_filter,
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}
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@contextlib.contextmanager
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def tap_service(self):
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req = {
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'tap_service': self._tap_service,
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}
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with mock.patch.object(self._plugin, '_get_port_details',
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return_value=self._port_details):
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self._plugin.create_tap_service(self._context, req)
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self._tap_service['id'] = mock.ANY
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self._tap_service['status'] = constants.DOWN
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self.driver.assert_has_calls([
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mock.call.create_tap_service_precommit(mock.ANY),
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mock.call.create_tap_service_postcommit(mock.ANY),
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])
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pre_args = self.driver.create_tap_service_precommit.call_args[0][0]
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self.assertEqual(self._context, pre_args._plugin_context)
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self.assertEqual(self._tap_service, pre_args.tap_service)
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post_args = self.driver.create_tap_service_postcommit.call_args[0][0]
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self.assertEqual(self._context, post_args._plugin_context)
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self.assertEqual(self._tap_service, post_args.tap_service)
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self.taas_cbs.set_tap_service_status(
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self._context,
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{'id': pre_args.tap_service['id']},
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constants.ACTIVE, "dummyHost")
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self._tap_service['status'] = constants.ACTIVE
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yield self._plugin.get_tap_service(self._context,
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pre_args.tap_service['id'])
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@contextlib.contextmanager
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def tap_flow(self, tap_service, tenant_id=None):
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self._tap_flow['tap_service_id'] = tap_service
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if tenant_id is not None:
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self._tap_flow['tenant_id'] = tenant_id
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req = {
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'tap_flow': self._tap_flow,
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}
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with mock.patch.object(self._plugin, '_get_port_details',
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return_value=self._port_details):
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self._plugin.create_tap_flow(self._context, req)
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self._tap_flow['id'] = mock.ANY
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self._tap_flow['status'] = constants.DOWN
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self._tap_service['id'] = mock.ANY
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self._tap_flow['vlan_filter'] = mock.ANY
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self.driver.assert_has_calls([
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mock.call.create_tap_flow_precommit(mock.ANY),
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mock.call.create_tap_flow_postcommit(mock.ANY),
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])
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pre_args = self.driver.create_tap_flow_precommit.call_args[0][0]
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self.assertEqual(self._context, pre_args._plugin_context)
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self.assertEqual(self._tap_flow, pre_args.tap_flow)
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post_args = self.driver.create_tap_flow_postcommit.call_args[0][0]
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self.assertEqual(self._context, post_args._plugin_context)
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self.assertEqual(self._tap_flow, post_args.tap_flow)
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self.taas_cbs.set_tap_flow_status(
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self._context,
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{'id': pre_args.tap_flow['id']},
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constants.ACTIVE, "dummyHost")
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self._tap_flow['status'] = constants.ACTIVE
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yield self._plugin.get_tap_flow(self._context,
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pre_args.tap_flow['id'])
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def test_create_tap_service(self):
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with self.tap_service():
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pass
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def test_verify_taas_id_reused(self):
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# make small range id
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cfg.CONF.set_override("vlan_range_start", 1, group="taas")
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cfg.CONF.set_override("vlan_range_end", 3, group="taas")
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with self.tap_service() as ts_1, self.tap_service() as ts_2, \
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self.tap_service() as ts_3, self.tap_service() as ts_4:
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ts_id_1 = ts_1['id']
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ts_id_2 = ts_2['id']
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ts_id_3 = ts_3['id']
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tap_id_assoc_1 = self._plugin.create_tap_id_association(
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self._context, ts_id_1)
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tap_id_assoc_2 = self._plugin.create_tap_id_association(
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self._context, ts_id_2)
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self.assertEqual(set([1, 2]), set([tap_id_assoc_1['taas_id'],
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tap_id_assoc_2['taas_id']]))
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with testtools.ExpectedException(taas_ext.TapServiceLimitReached):
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self._plugin.create_tap_id_association(
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self._context,
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ts_4['id']
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)
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# free an tap_id and verify could reallocate same taas id
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self._plugin.delete_tap_service(self._context, ts_id_1)
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self.taas_cbs.set_tap_service_status(self._context,
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{'id': ts_id_1},
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constants.INACTIVE,
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"dummyHost")
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tap_id_assoc_3 = self._plugin.create_tap_id_association(
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self._context, ts_id_3)
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self.assertEqual(set([1, 2]), set([tap_id_assoc_3['taas_id'],
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tap_id_assoc_2['taas_id']]))
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def test_create_tap_service_wrong_tenant_id(self):
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self._port_details['tenant_id'] = 'other-tenant'
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with testtools.ExpectedException(taas_ext.PortDoesNotBelongToTenant), \
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self.tap_service():
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pass
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self.assertEqual([], self.driver.mock_calls)
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def test_create_tap_service_reach_limit(self):
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# TODO(Yoichiro):Need to move this test to taas_rpc test
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pass
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def test_create_tap_service_failed_on_service_driver(self):
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attr = {'create_tap_service_postcommit.side_effect': DummyError}
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self.driver.configure_mock(**attr)
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with testtools.ExpectedException(DummyError):
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req = {
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'tap_service': self._tap_service,
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}
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with mock.patch.object(self._plugin, '_get_port_details',
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return_value=self._port_details):
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self._plugin.create_tap_service(self._context, req)
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def test_delete_tap_service(self):
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with self.tap_service() as ts:
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self._plugin.delete_tap_service(self._context, ts['id'])
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self._tap_service['id'] = ts['id']
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self.driver.assert_has_calls([
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mock.call.delete_tap_service_precommit(mock.ANY),
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])
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self._tap_service['status'] = constants.PENDING_DELETE
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pre_args = self.driver.delete_tap_service_precommit.call_args[0][0]
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self.assertEqual(self._context, pre_args._plugin_context)
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self.assertEqual(self._tap_service, pre_args.tap_service)
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self.taas_cbs.set_tap_service_status(self._context,
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{'id': self._tap_service['id']},
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constants.INACTIVE,
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"dummyHost")
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def test_delete_tap_service_with_flow(self):
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with self.tap_service() as ts, \
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self.tap_flow(tap_service=ts['id']) as tf:
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self._plugin.delete_tap_service(self._context, ts['id'])
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self._tap_service['id'] = ts['id']
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self._tap_flow['id'] = tf['id']
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self.driver.assert_has_calls([
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mock.call.delete_tap_flow_precommit(mock.ANY),
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mock.call.delete_tap_service_precommit(mock.ANY),
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])
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self._tap_service['status'] = constants.PENDING_DELETE
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self._tap_flow['status'] = constants.PENDING_DELETE
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pre_args = self.driver.delete_tap_flow_precommit.call_args[0][0]
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self.assertEqual(self._context, pre_args._plugin_context)
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self.assertEqual(self._tap_flow, pre_args.tap_flow)
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pre_args = self.driver.delete_tap_service_precommit.call_args[0][0]
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self.assertEqual(self._context, pre_args._plugin_context)
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self.assertEqual(self._tap_service, pre_args.tap_service)
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self.taas_cbs.set_tap_flow_status(self._context,
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{'id': self._tap_flow['id']},
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constants.INACTIVE,
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"dummyHost")
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self.taas_cbs.set_tap_service_status(self._context,
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{'id': self._tap_service['id']},
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constants.INACTIVE,
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"dummyHost")
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def test_delete_tap_service_non_existent(self):
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with testtools.ExpectedException(taas_ext.TapServiceNotFound):
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self._plugin.delete_tap_service(self._context, 'non-existent')
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def test_create_tap_flow(self):
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with self.tap_service() as ts, self.tap_flow(tap_service=ts['id']):
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pass
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def test_create_tap_flow_wrong_tenant_id(self):
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with self.tap_service() as ts, \
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testtools.ExpectedException(
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taas_ext.TapServiceNotBelongToTenant), \
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self.tap_flow(tap_service=ts['id'], tenant_id='other-tenant'):
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pass
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def test_create_tap_flow_failed_on_service_driver(self):
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with self.tap_service() as ts:
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attr = {'create_tap_flow_postcommit.side_effect': DummyError}
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self.driver.configure_mock(**attr)
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with testtools.ExpectedException(DummyError):
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self._tap_flow['tap_service_id'] = ts['id']
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req = {
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'tap_flow': self._tap_flow,
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}
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with mock.patch.object(self._plugin, '_get_port_details',
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return_value=self._port_details):
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self._plugin.create_tap_flow(self._context, req)
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def test_delete_tap_flow(self):
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with self.tap_service() as ts, \
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self.tap_flow(tap_service=ts['id']) as tf:
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self._plugin.delete_tap_flow(self._context, tf['id'])
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self._tap_flow['id'] = tf['id']
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self.driver.assert_has_calls([
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mock.call.delete_tap_flow_precommit(mock.ANY),
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])
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self._tap_flow['status'] = constants.PENDING_DELETE
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pre_args = self.driver.delete_tap_flow_precommit.call_args[0][0]
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self.assertEqual(self._context, pre_args._plugin_context)
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self.assertEqual(self._tap_flow, pre_args.tap_flow)
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self.taas_cbs.set_tap_flow_status(self._context,
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{'id': self._tap_flow['id']},
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constants.INACTIVE,
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"dummyHost")
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