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How to use _test_create_segment method in tempest

Best Python code snippet using tempest_python
test_segment.py
Source:test_segment.py
...85    def segment(self, **kwargs):86        kwargs.setdefault('network_type', 'net_type')87        return self._make_segment(88            self.fmt, tenant_id=self._tenant_id, **kwargs)89    def _test_create_segment(self, expected=None, **kwargs):90        keys = kwargs.copy()91        segment = self.segment(**keys)92        self._validate_resource(segment, keys, 'segment')93        if expected:94            self._compare_resource(segment, expected, 'segment')95        return segment96class SegmentTestPlugin(db_base_plugin_v2.NeutronDbPluginV2,97                        portbindings_db.PortBindingMixin,98                        db.SegmentDbMixin):99    __native_pagination_support = True100    __native_sorting_support = True101    supported_extension_aliases = ["segment", "binding", "ip_allocation"]102    def get_plugin_description(self):103        return "Network Segments"104    @classmethod105    def get_plugin_type(cls):106        return "segments"107    def create_port(self, context, port):108        port_dict = super(SegmentTestPlugin, self).create_port(context, port)109        self._process_portbindings_create_and_update(110            context, port['port'], port_dict)111        return port_dict112    def update_port(self, context, id, port):113        port_dict = super(SegmentTestPlugin, self).update_port(114            context, id, port)115        self._process_portbindings_create_and_update(116            context, port['port'], port_dict)117        return port_dict118class TestSegmentNameDescription(SegmentTestCase):119    def setUp(self):120        super(TestSegmentNameDescription, self).setUp()121        with self.network() as network:122            self.network = network['network']123    def _test_create_segment(self, expected=None, **kwargs):124        for d in (kwargs, expected):125            if d is None:126                continue127            d.setdefault('network_id', self.network['id'])128            d.setdefault('name', None)129            d.setdefault('description', None)130            d.setdefault('physical_network', 'phys_net')131            d.setdefault('network_type', 'net_type')132            d.setdefault('segmentation_id', 200)133        return super(TestSegmentNameDescription, self)._test_create_segment(134            expected, **kwargs)135    def test_create_segment_no_name_description(self):136        self._test_create_segment(expected={})137    def test_create_segment_with_name(self):138        expected_segment = {'name': 'segment_name'}139        self._test_create_segment(name='segment_name',140                                  expected=expected_segment)141    def test_create_segment_with_description(self):142        expected_segment = {'description': 'A segment'}143        self._test_create_segment(description='A segment',144                                  expected=expected_segment)145    def test_update_segment_set_name(self):146        segment = self._test_create_segment()147        result = self._update('segments',148                              segment['segment']['id'],149                              {'segment': {'name': 'Segment name'}},150                              expected_code=webob.exc.HTTPOk.code)151        self.assertEqual('Segment name', result['segment']['name'])152    def test_update_segment_set_description(self):153        segment = self._test_create_segment()154        result = self._update('segments',155                              segment['segment']['id'],156                              {'segment': {'description': 'Segment desc'}},157                              expected_code=webob.exc.HTTPOk.code)158        self.assertEqual('Segment desc', result['segment']['description'])159    def test_update_segment_set_name_to_none(self):160        segment = self._test_create_segment(161            description='A segment', name='segment')162        result = self._update('segments',163                              segment['segment']['id'],164                              {'segment': {'name': None}},165                              expected_code=webob.exc.HTTPOk.code)166        self.assertIsNone(result['segment']['name'])167    def test_update_segment_set_description_to_none(self):168        segment = self._test_create_segment(169            description='A segment', name='segment')170        result = self._update('segments',171                              segment['segment']['id'],172                              {'segment': {'description': None}},173                              expected_code=webob.exc.HTTPOk.code)174        self.assertIsNone(result['segment']['description'])175class TestSegment(SegmentTestCase):176    def test_create_segment(self):177        with self.network() as network:178            network = network['network']179        expected_segment = {'network_id': network['id'],180                            'physical_network': 'phys_net',181                            'network_type': 'net_type',182                            'segmentation_id': 200}183        self._test_create_segment(network_id=network['id'],184                                  physical_network='phys_net',185                                  segmentation_id=200,186                                  expected=expected_segment)187    def test_create_segment_non_existent_network(self):188        exc = self.assertRaises(webob.exc.HTTPClientError,189                                self._test_create_segment,190                                network_id=uuidutils.generate_uuid(),191                                physical_network='phys_net',192                                segmentation_id=200)193        self.assertEqual(HTTP_NOT_FOUND, exc.code)194        self.assertIn('NetworkNotFound', exc.explanation)195    def test_create_segment_no_phys_net(self):196        with self.network() as network:197            network = network['network']198        expected_segment = {'network_id': network['id'],199                            'physical_network': None,200                            'network_type': 'net_type',201                            'segmentation_id': 200}202        self._test_create_segment(network_id=network['id'],203                                  segmentation_id=200,204                                  expected=expected_segment)205    def test_create_segment_no_segmentation_id(self):206        def _mock_reserve_segmentation_id(rtype, event, trigger,207                                          context, segment):208            if not segment.get('segmentation_id'):209                segment['segmentation_id'] = 200210        with self.network() as network:211            network = network['network']212        registry.subscribe(_mock_reserve_segmentation_id, resources.SEGMENT,213                           events.PRECOMMIT_CREATE)214        expected_segment = {'network_id': network['id'],215                            'physical_network': 'phys_net',216                            'network_type': 'net_type',217                            'segmentation_id': 200}218        self._test_create_segment(network_id=network['id'],219                                  physical_network='phys_net',220                                  expected=expected_segment)221    def test_create_segment_with_exception_in_core_plugin(self):222        cxt = context.get_admin_context()223        with self.network() as network:224            network = network['network']225        with mock.patch.object(registry, 'notify') as notify:226            notify.side_effect = exceptions.CallbackFailure(errors=Exception)227            self.assertRaises(webob.exc.HTTPClientError,228                              self.segment,229                              network_id=network['id'],230                              segmentation_id=200)231        network_segments = segments_db.get_network_segments(cxt.session,232                                                            network['id'])233        self.assertEqual([], network_segments)234    def test_create_segments_in_certain_order(self):235        cxt = context.get_admin_context()236        with self.network() as network:237            network = network['network']238            segment1 = self.segment(239                network_id=network['id'], segmentation_id=200)240            segment2 = self.segment(241                network_id=network['id'], segmentation_id=201)242            segment3 = self.segment(243                network_id=network['id'], segmentation_id=202)244            network_segments = segments_db.get_network_segments(cxt.session,245                                                                network['id'])246            self.assertEqual(segment1['segment']['id'],247                             network_segments[0]['id'])248            self.assertEqual(segment2['segment']['id'],249                             network_segments[1]['id'])250            self.assertEqual(segment3['segment']['id'],251                             network_segments[2]['id'])252    def test_delete_segment(self):253        with self.network() as network:254            network = network['network']255        self.segment(network_id=network['id'], segmentation_id=200)256        segment = self.segment(network_id=network['id'], segmentation_id=201)257        self._delete('segments', segment['segment']['id'])258        self._show('segments', segment['segment']['id'],259                   expected_code=webob.exc.HTTPNotFound.code)260    def test_delete_segment_failed_with_subnet_associated(self):261        with self.network() as network:262            net = network['network']263            segment = self._test_create_segment(network_id=net['id'],264                                                segmentation_id=200)265            segment_id = segment['segment']['id']266            with self.subnet(network=network, segment_id=segment_id):267                self._delete('segments', segment_id,268                             expected_code=webob.exc.HTTPConflict.code)269                exist_segment = self._show('segments', segment_id)270                self.assertEqual(segment_id, exist_segment['segment']['id'])271    def test_get_segment(self):272        with self.network() as network:273            network = network['network']274        segment = self._test_create_segment(network_id=network['id'],275                                            physical_network='phys_net',276                                            segmentation_id=200)277        req = self.new_show_request('segments', segment['segment']['id'])278        res = self.deserialize(self.fmt, req.get_response(self.ext_api))279        self.assertEqual(segment['segment']['id'], res['segment']['id'])280    def test_list_segments(self):281        with self.network() as network:282            network = network['network']283        self._test_create_segment(network_id=network['id'],284                                  physical_network='phys_net1',285                                  segmentation_id=200)286        self._test_create_segment(network_id=network['id'],287                                  physical_network='phys_net2',288                                  segmentation_id=201)289        res = self._list('segments')290        self.assertEqual(2, len(res['segments']))291    def test_update_segments(self):292        with self.network() as network:293            net = network['network']294            segment = self._test_create_segment(network_id=net['id'],295                                                segmentation_id=200)296            segment['segment']['segmentation_id'] = '201'297            self._update('segments', segment['segment']['id'], segment,298                         expected_code=webob.exc.HTTPClientError.code)299class TestSegmentML2(SegmentTestCase):300    def setUp(self):301        super(TestSegmentML2, self).setUp(plugin='ml2')302    def test_segment_notification_on_create_network(self):303        with mock.patch.object(registry, 'notify') as notify:304            with self.network():305                pass306        notify.assert_any_call(resources.SEGMENT,307                               events.PRECOMMIT_CREATE,308                               context=mock.ANY,309                               segment=mock.ANY,310                               trigger=mock.ANY)311class TestSegmentSubnetAssociation(SegmentTestCase):312    def test_basic_association(self):313        with self.network() as network:314            net = network['network']315        segment = self._test_create_segment(network_id=net['id'],316                                            segmentation_id=200)317        segment_id = segment['segment']['id']318        with self.subnet(network=network, segment_id=segment_id) as subnet:319            subnet = subnet['subnet']320        request = self.new_show_request('subnets', subnet['id'])321        response = request.get_response(self.api)322        res = self.deserialize(self.fmt, response)323        self.assertEqual(segment_id,324                         res['subnet']['segment_id'])325    def test_association_network_mismatch(self):326        with self.network() as network1:327            with self.network() as network2:328                net = network1['network']329        segment = self._test_create_segment(network_id=net['id'],330                                            segmentation_id=200)331        res = self._create_subnet(self.fmt,332                                  net_id=network2['network']['id'],333                                  tenant_id=network2['network']['tenant_id'],334                                  gateway_ip=constants.ATTR_NOT_SPECIFIED,335                                  cidr='10.0.0.0/24',336                                  segment_id=segment['segment']['id'])337        self.assertEqual(webob.exc.HTTPBadRequest.code, res.status_int)338    def test_association_segment_not_found(self):339        with self.network() as network:340            net = network['network']341        segment_id = uuidutils.generate_uuid()342        res = self._create_subnet(self.fmt,343                                  net_id=net['id'],344                                  tenant_id=net['tenant_id'],345                                  gateway_ip=constants.ATTR_NOT_SPECIFIED,346                                  cidr='10.0.0.0/24',347                                  segment_id=segment_id)348        self.assertEqual(webob.exc.HTTPNotFound.code, res.status_int)349    def test_only_some_subnets_associated_not_allowed(self):350        with self.network() as network:351            with self.subnet(network=network):352                net = network['network']353        segment = self._test_create_segment(network_id=net['id'],354                                            segmentation_id=200)355        res = self._create_subnet(self.fmt,356                                  net_id=net['id'],357                                  tenant_id=net['tenant_id'],358                                  gateway_ip=constants.ATTR_NOT_SPECIFIED,359                                  cidr='10.0.1.0/24',360                                  segment_id=segment['segment']['id'])361        self.assertEqual(webob.exc.HTTPBadRequest.code, res.status_int)362    def test_association_to_dynamic_segment_not_allowed(self):363        cxt = context.get_admin_context()364        with self.network() as network:365            net = network['network']366        # Can't create a dynamic segment through the API367        segment = {segments_db.NETWORK_TYPE: 'phys_net',368                   segments_db.PHYSICAL_NETWORK: 'net_type',369                   segments_db.SEGMENTATION_ID: 200}370        segments_db.add_network_segment(cxt,371                                        network_id=net['id'],372                                        segment=segment,373                                        is_dynamic=True)374        res = self._create_subnet(self.fmt,375                                  net_id=net['id'],376                                  tenant_id=net['tenant_id'],377                                  gateway_ip=constants.ATTR_NOT_SPECIFIED,378                                  cidr='10.0.0.0/24',379                                  segment_id=segment['id'])380        self.assertEqual(webob.exc.HTTPBadRequest.code, res.status_int)381class HostSegmentMappingTestCase(SegmentTestCase):382    _mechanism_drivers = ['logger']383    def setUp(self, plugin=None):384        config.cfg.CONF.set_override('mechanism_drivers',385                                     self._mechanism_drivers,386                                     group='ml2')387        config.cfg.CONF.set_override('network_vlan_ranges',388                                     ['phys_net1', 'phys_net2'],389                                     group='ml2_type_vlan')390        if not plugin:391            plugin = 'ml2'392        super(HostSegmentMappingTestCase, self).setUp(plugin=plugin)393        db.subscribe()394    def _get_segments_for_host(self, host):395        ctx = context.get_admin_context()396        segments_host_list = ctx.session.query(397            db.SegmentHostMapping).filter_by(host=host)398        return {seg_host['segment_id']: seg_host399                for seg_host in segments_host_list}400    def _register_agent(self, host, mappings=None, plugin=None,401                        start_flag=True):402        helpers.register_ovs_agent(host=host, bridge_mappings=mappings,403                                   plugin=self.plugin, start_flag=start_flag)404    def _test_one_segment_one_host(self, host):405        physical_network = 'phys_net1'406        with self.network() as network:407            network = network['network']408        segment = self._test_create_segment(409            network_id=network['id'], physical_network=physical_network,410            segmentation_id=200, network_type=p_constants.TYPE_VLAN)['segment']411        self._register_agent(host, mappings={physical_network: 'br-eth-1'},412                             plugin=self.plugin)413        segments_host_db = self._get_segments_for_host(host)414        self.assertEqual(1, len(segments_host_db))415        self.assertEqual(segment['id'],416                         segments_host_db[segment['id']]['segment_id'])417        self.assertEqual(host, segments_host_db[segment['id']]['host'])418        return segment419class TestMl2HostSegmentMappingNoAgent(HostSegmentMappingTestCase):420    def setUp(self, plugin=None):421        if not plugin:422            plugin = TEST_PLUGIN_KLASS423        super(TestMl2HostSegmentMappingNoAgent, self).setUp(plugin=plugin)424    def test_update_segment_host_mapping(self):425        ctx = context.get_admin_context()426        host = 'host1'427        physnets = ['phys_net1']428        with self.network() as network:429            network = network['network']430        segment = self._test_create_segment(431            network_id=network['id'], physical_network='phys_net1',432            segmentation_id=200, network_type=p_constants.TYPE_VLAN)['segment']433        self._test_create_segment(434            network_id=network['id'], physical_network='phys_net2',435            segmentation_id=201, network_type=p_constants.TYPE_VLAN)['segment']436        segments = db.get_segments_with_phys_nets(ctx, physnets)437        segment_ids = {segment['id'] for segment in segments}438        db.update_segment_host_mapping(ctx, host, segment_ids)439        segments_host_db = self._get_segments_for_host(host)440        self.assertEqual(1, len(segments_host_db))441        self.assertEqual(segment['id'],442                         segments_host_db[segment['id']]['segment_id'])443        self.assertEqual(host, segments_host_db[segment['id']]['host'])444    def test_map_segment_to_hosts(self):445        ctx = context.get_admin_context()446        hosts = {'host1', 'host2', 'host3'}447        with self.network() as network:448            network = network['network']449        segment = self._test_create_segment(450            network_id=network['id'], physical_network='phys_net1',451            segmentation_id=200, network_type=p_constants.TYPE_VLAN)['segment']452        db.map_segment_to_hosts(ctx, segment['id'], hosts)453        updated_segment = self.plugin.get_segment(ctx, segment['id'])454        self.assertEqual(hosts, set(updated_segment['hosts']))455    def test_get_all_hosts_mapped_with_segments(self):456        ctx = context.get_admin_context()457        hosts = set()458        with self.network() as network:459            network_id = network['network']['id']460        for i in range(1, 3):461            host = "host%s" % i462            segment = self._test_create_segment(463                network_id=network_id, physical_network='phys_net%s' % i,464                segmentation_id=200 + i, network_type=p_constants.TYPE_VLAN)465            db.update_segment_host_mapping(466                ctx, host, {segment['segment']['id']})467            hosts.add(host)468        # Now they are 2 hosts with segment being mapped.469        actual_hosts = db.get_hosts_mapped_with_segments(ctx)470        self.assertEqual(hosts, actual_hosts)471class TestMl2HostSegmentMappingOVS(HostSegmentMappingTestCase):472    _mechanism_drivers = ['openvswitch', 'logger']473    mock_path = 'neutron.services.segments.db.update_segment_host_mapping'474    def test_new_agent(self):475        host = 'host1'476        self._test_one_segment_one_host(host)477    def test_updated_agent_changed_physical_networks(self):478        host = 'host1'479        physical_networks = ['phys_net1', 'phys_net2']480        networks = []481        segments = []482        for i in range(len(physical_networks)):483            with self.network() as network:484                networks.append(network['network'])485            segments.append(self._test_create_segment(486                network_id=networks[i]['id'],487                physical_network=physical_networks[i],488                segmentation_id=200,489                network_type=p_constants.TYPE_VLAN)['segment'])490        self._register_agent(host, mappings={physical_networks[0]: 'br-eth-1',491                                             physical_networks[1]: 'br-eth-2'},492                             plugin=self.plugin)493        segments_host_db = self._get_segments_for_host(host)494        self.assertEqual(len(physical_networks), len(segments_host_db))495        for segment in segments:496            self.assertEqual(segment['id'],497                             segments_host_db[segment['id']]['segment_id'])498            self.assertEqual(host, segments_host_db[segment['id']]['host'])499        self._register_agent(host, mappings={physical_networks[0]: 'br-eth-1'},500                             plugin=self.plugin)501        segments_host_db = self._get_segments_for_host(host)502        self.assertEqual(1, len(segments_host_db))503        self.assertEqual(segments[0]['id'],504                         segments_host_db[segments[0]['id']]['segment_id'])505        self.assertEqual(host, segments_host_db[segments[0]['id']]['host'])506    def test_same_segment_two_hosts(self):507        host1 = 'host1'508        host2 = 'host2'509        physical_network = 'phys_net1'510        segment = self._test_one_segment_one_host(host1)511        self._register_agent(host2, mappings={physical_network: 'br-eth-1'},512                             plugin=self.plugin)513        segments_host_db = self._get_segments_for_host(host2)514        self.assertEqual(1, len(segments_host_db))515        self.assertEqual(segment['id'],516                         segments_host_db[segment['id']]['segment_id'])517        self.assertEqual(host2, segments_host_db[segment['id']]['host'])518    def test_update_agent_only_change_agent_host_mapping(self):519        host1 = 'host1'520        host2 = 'host2'521        physical_network = 'phys_net1'522        with self.network() as network:523            network = network['network']524        segment1 = self._test_create_segment(525            network_id=network['id'],526            physical_network=physical_network,527            segmentation_id=200,528            network_type=p_constants.TYPE_VLAN)['segment']529        self._register_agent(host1, mappings={physical_network: 'br-eth-1'},530                             plugin=self.plugin)531        self._register_agent(host2, mappings={physical_network: 'br-eth-1'},532                             plugin=self.plugin)533        # Update agent at host2 should only change mapping with host2.534        other_phys_net = 'phys_net2'535        segment2 = self._test_create_segment(536            network_id=network['id'],537            physical_network=other_phys_net,538            segmentation_id=201,539            network_type=p_constants.TYPE_VLAN)['segment']540        self._register_agent(host2, mappings={other_phys_net: 'br-eth-2'},541                             plugin=self.plugin)542        # We should have segment1 map to host1 and segment2 map to host2 now543        segments_host_db1 = self._get_segments_for_host(host1)544        self.assertEqual(1, len(segments_host_db1))545        self.assertEqual(segment1['id'],546                         segments_host_db1[segment1['id']]['segment_id'])547        self.assertEqual(host1, segments_host_db1[segment1['id']]['host'])548        segments_host_db2 = self._get_segments_for_host(host2)549        self.assertEqual(1, len(segments_host_db2))550        self.assertEqual(segment2['id'],551                         segments_host_db2[segment2['id']]['segment_id'])552        self.assertEqual(host2, segments_host_db2[segment2['id']]['host'])553    def test_new_segment_after_host_reg(self):554        host1 = 'host1'555        physical_network = 'phys_net1'556        segment = self._test_one_segment_one_host(host1)557        with self.network() as network:558            network = network['network']559        segment2 = self._test_create_segment(560            network_id=network['id'], physical_network=physical_network,561            segmentation_id=201, network_type=p_constants.TYPE_VLAN)['segment']562        segments_host_db = self._get_segments_for_host(host1)563        self.assertEqual(set((segment['id'], segment2['id'])),564                         set(segments_host_db))565    def test_segment_deletion_removes_host_mapping(self):566        host = 'host1'567        segment = self._test_one_segment_one_host(host)568        self._delete('segments', segment['id'])569        segments_host_db = self._get_segments_for_host(host)570        self.assertFalse(segments_host_db)571    @mock.patch(mock_path)572    def test_agent_with_no_mappings(self, mock):573        host = 'host1'574        physical_network = 'phys_net1'575        with self.network() as network:576            network = network['network']577        self._test_create_segment(578            network_id=network['id'], physical_network=physical_network,579            segmentation_id=200, network_type=p_constants.TYPE_VLAN)580        self._register_agent(host, plugin=self.plugin)581        segments_host_db = self._get_segments_for_host(host)582        self.assertFalse(segments_host_db)583        self.assertFalse(mock.mock_calls)584class TestMl2HostSegmentMappingLinuxBridge(TestMl2HostSegmentMappingOVS):585    _mechanism_drivers = ['linuxbridge', 'logger']586    def _register_agent(self, host, mappings=None, plugin=None):587        helpers.register_linuxbridge_agent(host=host,588                                           bridge_mappings=mappings,589                                           plugin=self.plugin)590class TestMl2HostSegmentMappingMacvtap(TestMl2HostSegmentMappingOVS):591    _mechanism_drivers = ['macvtap', 'logger']592    def _register_agent(self, host, mappings=None, plugin=None):593        helpers.register_macvtap_agent(host=host, interface_mappings=mappings,594                                       plugin=self.plugin)595class TestMl2HostSegmentMappingSriovNicSwitch(TestMl2HostSegmentMappingOVS):596    _mechanism_drivers = ['sriovnicswitch', 'logger']597    def _register_agent(self, host, mappings=None, plugin=None):598        helpers.register_sriovnicswitch_agent(host=host,599                                              device_mappings=mappings,600                                              plugin=self.plugin)601class NoSupportHostSegmentMappingPlugin(db_base_plugin_v2.NeutronDbPluginV2,602                                        db.SegmentDbMixin,603                                        agents_db.AgentDbMixin):604    __native_pagination_support = True605    __native_sorting_support = True606    supported_extension_aliases = []607class TestHostSegmentMappingNoSupportFromPlugin(HostSegmentMappingTestCase):608    mock_path = 'neutron.services.segments.db.update_segment_host_mapping'609    def setUp(self):610        plugin = ('neutron.tests.unit.extensions.test_segment.'611                  'NoSupportHostSegmentMappingPlugin')612        super(TestHostSegmentMappingNoSupportFromPlugin, self).setUp(613              plugin=plugin)614    @mock.patch(mock_path)615    def test_host_segments_not_updated(self, mock):616        host = 'host1'617        physical_network = 'phys_net1'618        with self.network() as network:619            network = network['network']620        self._test_create_segment(network_id=network['id'],621                                  physical_network=physical_network,622                                  segmentation_id=200,623                                  network_type=p_constants.TYPE_VLAN)624        self._register_agent(host, mappings={physical_network: 'br-eth-1'},625                             plugin=self.plugin)626        segments_host_db = self._get_segments_for_host(host)627        self.assertFalse(segments_host_db)628        self.assertFalse(mock.mock_calls)629class TestMl2HostSegmentMappingAgentServerSynch(HostSegmentMappingTestCase):630    _mechanism_drivers = ['openvswitch', 'logger']631    mock_path = 'neutron.services.segments.db.update_segment_host_mapping'632    @mock.patch(mock_path)633    def test_starting_server_processes_agents(self, mock_function):634        host = 'agent_updating_starting_server'635        physical_network = 'phys_net1'636        self._register_agent(host, mappings={physical_network: 'br-eth-1'},637                             plugin=self.plugin, start_flag=False)638        self.assertTrue(host in db.reported_hosts)639        self.assertEqual(1, mock_function.call_count)640        expected_call = mock.call(mock.ANY, host, set())641        mock_function.assert_has_calls([expected_call])642    @mock.patch(mock_path)643    def test_starting_agent_is_processed(self, mock_function):644        host = 'starting_agent'645        physical_network = 'phys_net1'646        self._register_agent(host, mappings={physical_network: 'br-eth-1'},647                             plugin=self.plugin, start_flag=False)648        self.assertTrue(host in db.reported_hosts)649        self._register_agent(host, mappings={physical_network: 'br-eth-1'},650                             plugin=self.plugin, start_flag=True)651        self.assertTrue(host in db.reported_hosts)652        self.assertEqual(2, mock_function.call_count)653        expected_call = mock.call(mock.ANY, host, set())654        mock_function.assert_has_calls([expected_call, expected_call])655    @mock.patch(mock_path)656    def test_no_starting_agent_is_not_processed(self, mock_function):657        host = 'agent_with_no_start_update'658        physical_network = 'phys_net1'659        self._register_agent(host, mappings={physical_network: 'br-eth-1'},660                             plugin=self.plugin, start_flag=False)661        self.assertTrue(host in db.reported_hosts)662        mock_function.reset_mock()663        self._register_agent(host, mappings={physical_network: 'br-eth-1'},664                             plugin=self.plugin, start_flag=False)665        self.assertTrue(host in db.reported_hosts)666        mock_function.assert_not_called()667class TestSegmentAwareIpam(SegmentTestCase):668    def _setup_host_mappings(self, mappings=()):669        ctx = context.get_admin_context()670        with ctx.session.begin(subtransactions=True):671            for segment_id, host in mappings:672                record = db.SegmentHostMapping(673                    segment_id=segment_id,674                    host=host)675                ctx.session.add(record)676    def _create_test_segment_with_subnet(self,677                                         network=None,678                                         cidr='2001:db8:0:0::/64',679                                         physnet='physnet'):680        """Creates one network with one segment and one subnet"""681        if not network:682            with self.network() as network:683                pass684        segment = self._test_create_segment(685            network_id=network['network']['id'],686            physical_network=physnet,687            network_type=p_constants.TYPE_VLAN)688        ip_version = netaddr.IPNetwork(cidr).version if cidr else None689        with self.subnet(network=network,690                         segment_id=segment['segment']['id'],691                         ip_version=ip_version,692                         cidr=cidr) as subnet:693            self._validate_l2_adjacency(network['network']['id'],694                                        is_adjacent=False)695            return network, segment, subnet696    def _create_test_segments_with_subnets(self, num):697        """Creates one network with num segments and num subnets"""698        with self.network() as network:699            segments, subnets = [], []700            for i in range(num):701                cidr = '2001:db8:0:%s::/64' % i702                physnet = 'physnet%s' % i703                _net, segment, subnet = self._create_test_segment_with_subnet(704                    network=network, cidr=cidr, physnet=physnet)705                segments.append(segment)706                subnets.append(subnet)707            return network, segments, subnets708    def test_port_create_with_segment_subnets(self):709        """No binding information is provided, defer IP allocation"""710        network, segment, subnet = self._create_test_segment_with_subnet()711        response = self._create_port(self.fmt,712                                     net_id=network['network']['id'],713                                     tenant_id=network['network']['tenant_id'])714        res = self.deserialize(self.fmt, response)715        # Don't allocate IPs in this case because we didn't give binding info716        self.assertEqual(0, len(res['port']['fixed_ips']))717    def _assert_one_ip_in_subnet(self, response, cidr):718        res = self.deserialize(self.fmt, response)719        self.assertEqual(1, len(res['port']['fixed_ips']))720        ip = res['port']['fixed_ips'][0]['ip_address']721        ip_net = netaddr.IPNetwork(cidr)722        self.assertIn(ip, ip_net)723    def test_port_create_with_binding_information(self):724        """Binding information is provided, subnets are on segments"""725        network, segments, subnets = self._create_test_segments_with_subnets(3)726        # Map the host to the middle segment (by mocking host/segment mapping)727        self._setup_host_mappings([728            (segments[1]['segment']['id'], 'fakehost'),729            (segments[1]['segment']['id'], 'otherhost'),730            (segments[0]['segment']['id'], 'thirdhost')])731        response = self._create_port(self.fmt,732                                     net_id=network['network']['id'],733                                     tenant_id=network['network']['tenant_id'],734                                     arg_list=(portbindings.HOST_ID,),735                                     **{portbindings.HOST_ID: 'fakehost'})736        res = self.deserialize(self.fmt, response)737        self._validate_immediate_ip_allocation(res['port']['id'])738        # Since host mapped to middle segment, IP must come from middle subnet739        self._assert_one_ip_in_subnet(response, subnets[1]['subnet']['cidr'])740    def test_port_create_with_binding_and_no_subnets(self):741        """Binding information is provided, no subnets."""742        with self.network() as network:743            segment = self._test_create_segment(744                network_id=network['network']['id'],745                physical_network='physnet',746                network_type=p_constants.TYPE_VLAN)747        # Map the host to the segment748        self._setup_host_mappings([(segment['segment']['id'], 'fakehost')])749        response = self._create_port(self.fmt,750                                     net_id=network['network']['id'],751                                     tenant_id=network['network']['tenant_id'],752                                     arg_list=(portbindings.HOST_ID,),753                                     **{portbindings.HOST_ID: 'fakehost'})754        res = self.deserialize(self.fmt, response)755        # No subnets, so no allocation.  But, it shouldn't be an error.756        self.assertEqual(0, len(res['port']['fixed_ips']))757    def test_port_create_with_binding_information_fallback(self):758        """Binding information is provided, subnets not on segments"""759        with self.network() as network:760            with self.subnet(network=network,761                             ip_version=6,762                             cidr='2001:db8:0:0::/64') as subnet:763                segment = self._test_create_segment(764                    network_id=network['network']['id'],765                    physical_network='physnet',766                    network_type=p_constants.TYPE_VLAN)767        self._validate_l2_adjacency(network['network']['id'], is_adjacent=True)768        # Map the host to the segment769        self._setup_host_mappings([(segment['segment']['id'], 'fakehost')])770        response = self._create_port(self.fmt,771                                     net_id=network['network']['id'],772                                     tenant_id=network['network']['tenant_id'],773                                     arg_list=(portbindings.HOST_ID,),774                                     **{portbindings.HOST_ID: 'fakehost'})775        res = self.deserialize(self.fmt, response)776        self._validate_immediate_ip_allocation(res['port']['id'])777        # Since the subnet is not on a segment, fall back to it778        self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])779    def test_port_create_on_unconnected_host(self):780        """Binding information provided, host not connected to any segment"""781        network, segment, _subnet = self._create_test_segment_with_subnet()782        response = self._create_port(self.fmt,783                                     net_id=network['network']['id'],784                                     tenant_id=network['network']['tenant_id'],785                                     arg_list=(portbindings.HOST_ID,),786                                     **{portbindings.HOST_ID: 'fakehost'})787        res = self.deserialize(self.fmt, response)788        self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)789        self.assertEqual(segment_exc.HostNotConnectedToAnySegment.__name__,790                         res['NeutronError']['type'])791        # Ensure that mapping the segment to other hosts doesn't trip it up792        self._setup_host_mappings([(segment['segment']['id'], 'otherhost')])793        response = self._create_port(self.fmt,794                                     net_id=network['network']['id'],795                                     tenant_id=network['network']['tenant_id'],796                                     arg_list=(portbindings.HOST_ID,),797                                     **{portbindings.HOST_ID: 'fakehost'})798        res = self.deserialize(self.fmt, response)799        self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)800        self.assertEqual(segment_exc.HostNotConnectedToAnySegment.__name__,801                         res['NeutronError']['type'])802    def test_port_create_on_multiconnected_host(self):803        """Binding information provided, host connected to multiple segments"""804        network, segments, subnets = self._create_test_segments_with_subnets(2)805        # This host is bound to multiple hosts806        self._setup_host_mappings([(segments[0]['segment']['id'], 'fakehost'),807                                   (segments[1]['segment']['id'], 'fakehost')])808        response = self._create_port(self.fmt,809                                     net_id=network['network']['id'],810                                     tenant_id=network['network']['tenant_id'],811                                     arg_list=(portbindings.HOST_ID,),812                                     **{portbindings.HOST_ID: 'fakehost'})813        res = self.deserialize(self.fmt, response)814        self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)815        self.assertEqual(segment_exc.HostConnectedToMultipleSegments.__name__,816                         res['NeutronError']['type'])817    def test_port_update_excludes_hosts_on_segments(self):818        """No binding information is provided, subnets on segments"""819        with self.network() as network:820            segment = self._test_create_segment(821                network_id=network['network']['id'],822                physical_network='physnet',823                network_type=p_constants.TYPE_VLAN)824        # Create a port with no IP address (since there is no subnet)825        port = self._create_deferred_ip_port(network)826        # Create the subnet and try to update the port to get an IP827        with self.subnet(network=network,828                         segment_id=segment['segment']['id']) as subnet:829            # Try requesting an IP (but the only subnet is on a segment)830            data = {'port': {831                'fixed_ips': [{'subnet_id': subnet['subnet']['id']}]}}832            port_id = port['port']['id']833            port_req = self.new_update_request('ports', data, port_id)834            response = port_req.get_response(self.api)835        # Gets bad request because there are no eligible subnets.836        self.assertEqual(webob.exc.HTTPBadRequest.code, response.status_int)837    def _create_port_and_show(self, network, **kwargs):838        response = self._create_port(839            self.fmt,840            net_id=network['network']['id'],841            tenant_id=network['network']['tenant_id'],842            **kwargs)843        port = self.deserialize(self.fmt, response)844        request = self.new_show_request('ports', port['port']['id'])845        return self.deserialize(self.fmt, request.get_response(self.api))846    def test_port_create_with_no_fixed_ips_no_ipam_on_routed_network(self):847        """Ports requesting no fixed_ips not deferred, even on routed net"""848        with self.network() as network:849            segment = self._test_create_segment(850                network_id=network['network']['id'],851                physical_network='physnet',852                network_type=p_constants.TYPE_VLAN)853            with self.subnet(network=network,854                             segment_id=segment['segment']['id']):855                pass856        # Create an unbound port requesting no IP addresses857        response = self._create_port_and_show(network, fixed_ips=[])858        self.assertEqual([], response['port']['fixed_ips'])859        self.assertEqual(ip_allocation.IP_ALLOCATION_NONE,860                         response['port'][ip_allocation.IP_ALLOCATION])861    def test_port_create_with_no_fixed_ips_no_ipam(self):862        """Ports without addresses on non-routed networks are not deferred"""863        with self.network() as network:864            with self.subnet(network=network):865                pass866        # Create an unbound port requesting no IP addresses867        response = self._create_port_and_show(network, fixed_ips=[])868        self.assertEqual([], response['port']['fixed_ips'])869        self.assertEqual(ip_allocation.IP_ALLOCATION_NONE,870                         response['port'][ip_allocation.IP_ALLOCATION])871    def test_port_without_ip_not_deferred(self):872        """Ports without addresses on non-routed networks are not deferred"""873        with self.network() as network:874            pass875        # Create a bound port with no IP address (since there is no subnet)876        response = self._create_port(self.fmt,877                                     net_id=network['network']['id'],878                                     tenant_id=network['network']['tenant_id'],879                                     arg_list=(portbindings.HOST_ID,),880                                     **{portbindings.HOST_ID: 'fakehost'})881        port = self.deserialize(self.fmt, response)882        request = self.new_show_request('ports', port['port']['id'])883        response = self.deserialize(self.fmt, request.get_response(self.api))884        self.assertEqual([], response['port']['fixed_ips'])885        self.assertEqual(ip_allocation.IP_ALLOCATION_IMMEDIATE,886                         response['port'][ip_allocation.IP_ALLOCATION])887    def test_port_without_ip_not_deferred_no_binding(self):888        """Ports without addresses on non-routed networks are not deferred"""889        with self.network() as network:890            pass891        # Create a unbound port with no IP address (since there is no subnet)892        response = self._create_port_and_show(network)893        self.assertEqual([], response['port']['fixed_ips'])894        self.assertEqual(ip_allocation.IP_ALLOCATION_IMMEDIATE,895                         response['port'][ip_allocation.IP_ALLOCATION])896    def test_port_update_is_host_aware(self):897        """Binding information is provided, subnets on segments"""898        with self.network() as network:899            segment = self._test_create_segment(900                network_id=network['network']['id'],901                physical_network='physnet',902                network_type=p_constants.TYPE_VLAN)903        # Map the host to the segment904        self._setup_host_mappings([(segment['segment']['id'], 'fakehost')])905        # Create a bound port with no IP address (since there is no subnet)906        response = self._create_port(self.fmt,907                                     net_id=network['network']['id'],908                                     tenant_id=network['network']['tenant_id'],909                                     arg_list=(portbindings.HOST_ID,),910                                     **{portbindings.HOST_ID: 'fakehost'})911        port = self.deserialize(self.fmt, response)912        # Create the subnet and try to update the port to get an IP913        with self.subnet(network=network,914                         segment_id=segment['segment']['id']) as subnet:915            self._validate_l2_adjacency(network['network']['id'],916                                        is_adjacent=False)917            # Try requesting an IP (but the only subnet is on a segment)918            data = {'port': {919                'fixed_ips': [{'subnet_id': subnet['subnet']['id']}]}}920            port_id = port['port']['id']921            port_req = self.new_update_request('ports', data, port_id)922            response = port_req.get_response(self.api)923        # Since port is bound and there is a mapping to segment, it succeeds.924        self.assertEqual(webob.exc.HTTPOk.code, response.status_int)925        self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])926    def _validate_l2_adjacency(self, network_id, is_adjacent):927        request = self.new_show_request('networks', network_id)928        response = self.deserialize(self.fmt, request.get_response(self.api))929        self.assertEqual(is_adjacent,930                         response['network'][l2_adjacency.L2_ADJACENCY])931    def _validate_deferred_ip_allocation(self, port_id):932        request = self.new_show_request('ports', port_id)933        response = self.deserialize(self.fmt, request.get_response(self.api))934        self.assertEqual(ip_allocation.IP_ALLOCATION_DEFERRED,935                         response['port'][ip_allocation.IP_ALLOCATION])936        ips = response['port']['fixed_ips']937        self.assertEqual(0, len(ips))938    def _validate_immediate_ip_allocation(self, port_id):939        request = self.new_show_request('ports', port_id)940        response = self.deserialize(self.fmt, request.get_response(self.api))941        self.assertEqual(ip_allocation.IP_ALLOCATION_IMMEDIATE,942                         response['port'][ip_allocation.IP_ALLOCATION])943        ips = response['port']['fixed_ips']944        self.assertNotEqual(0, len(ips))945    def _create_deferred_ip_port(self, network):946        response = self._create_port(self.fmt,947                                     net_id=network['network']['id'],948                                     tenant_id=network['network']['tenant_id'])949        port = self.deserialize(self.fmt, response)950        ips = port['port']['fixed_ips']951        self.assertEqual(0, len(ips))952        return port953    def test_port_update_deferred_allocation(self):954        """Binding information is provided on update, subnets on segments"""955        network, segment, subnet = self._create_test_segment_with_subnet()956        # Map the host to the segment957        self._setup_host_mappings([(segment['segment']['id'], 'fakehost')])958        port = self._create_deferred_ip_port(network)959        self._validate_deferred_ip_allocation(port['port']['id'])960        # Try requesting an IP (but the only subnet is on a segment)961        data = {'port': {portbindings.HOST_ID: 'fakehost'}}962        port_id = port['port']['id']963        port_req = self.new_update_request('ports', data, port_id)964        response = port_req.get_response(self.api)965        # Port update succeeds and allocates a new IP address.966        self.assertEqual(webob.exc.HTTPOk.code, response.status_int)967        self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])968    def test_port_update_deferred_allocation_no_segments(self):969        """Binding information is provided, subnet created after port"""970        with self.network() as network:971            pass972        port = self._create_deferred_ip_port(network)973        # Create the subnet and try to update the port to get an IP974        with self.subnet(network=network):975            data = {'port': {portbindings.HOST_ID: 'fakehost'}}976            port_id = port['port']['id']977            port_req = self.new_update_request('ports', data, port_id)978            response = port_req.get_response(self.api)979        self.assertEqual(webob.exc.HTTPOk.code, response.status_int)980        res = self.deserialize(self.fmt, response)981        self.assertEqual(0, len(res['port']['fixed_ips']))982    def test_port_update_deferred_allocation_no_ipam(self):983        """Binding information is provided on update. Don't allocate."""984        with self.network() as network:985            with self.subnet(network=network):986                pass987        response = self._create_port(self.fmt,988                                     net_id=network['network']['id'],989                                     tenant_id=network['network']['tenant_id'],990                                     fixed_ips=[])991        port = self.deserialize(self.fmt, response)992        ips = port['port']['fixed_ips']993        self.assertEqual(0, len(ips))994        # Create the subnet and try to update the port to get an IP995        data = {'port': {portbindings.HOST_ID: 'fakehost'}}996        port_id = port['port']['id']997        port_req = self.new_update_request('ports', data, port_id)998        response = port_req.get_response(self.api)999        self.assertEqual(webob.exc.HTTPOk.code, response.status_int)1000        res = self.deserialize(self.fmt, response)1001        self.assertEqual(0, len(res['port']['fixed_ips']))1002    def test_port_update_deferred_allocation_no_segments_manual_alloc(self):1003        """Binding information is provided, subnet created after port"""1004        with self.network() as network:1005            pass1006        port = self._create_deferred_ip_port(network)1007        # Create the subnet and try to update the port to get an IP1008        with self.subnet(network=network) as subnet:1009            data = {'port': {1010                portbindings.HOST_ID: 'fakehost',1011                'fixed_ips': [{'subnet_id': subnet['subnet']['id']}]}}1012            port_id = port['port']['id']1013            port_req = self.new_update_request('ports', data, port_id)1014            response = port_req.get_response(self.api)1015        self.assertEqual(webob.exc.HTTPOk.code, response.status_int)1016        self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])1017        # Do a show to be sure that only one IP is recorded1018        port_req = self.new_show_request('ports', port_id)1019        response = port_req.get_response(self.api)1020        self.assertEqual(webob.exc.HTTPOk.code, response.status_int)1021        self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])1022    def test_port_update_deferred_allocation_no_segments_empty_alloc(self):1023        """Binding information is provided, subnet created after port"""1024        with self.network() as network:1025            pass1026        port = self._create_deferred_ip_port(network)1027        # Create the subnet and update the port but specify no IPs1028        with self.subnet(network=network):1029            data = {'port': {1030                portbindings.HOST_ID: 'fakehost',1031                'fixed_ips': []}}1032            port_id = port['port']['id']1033            port_req = self.new_update_request('ports', data, port_id)1034            response = port_req.get_response(self.api)1035        self.assertEqual(webob.exc.HTTPOk.code, response.status_int)1036        res = self.deserialize(self.fmt, response)1037        # Since I specifically requested no IP addresses, I shouldn't get one.1038        self.assertEqual(0, len(res['port']['fixed_ips']))1039    def test_port_update_deferred_allocation_no_host_mapping(self):1040        """Binding information is provided on update, subnets on segments"""1041        network, segment, subnet = self._create_test_segment_with_subnet()1042        port = self._create_deferred_ip_port(network)1043        self._validate_deferred_ip_allocation(port['port']['id'])1044        # Try requesting an IP (but the only subnet is on a segment)1045        data = {'port': {portbindings.HOST_ID: 'fakehost'}}1046        port_id = port['port']['id']1047        port_req = self.new_update_request('ports', data, port_id)1048        response = port_req.get_response(self.api)1049        res = self.deserialize(self.fmt, response)1050        # Gets conflict because it can't map the host to a segment1051        self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)1052        self.assertEqual(segment_exc.HostNotConnectedToAnySegment.__name__,1053                         res['NeutronError']['type'])1054    def test_port_update_deferred_allocation_multiple_host_mapping(self):1055        """Binding information is provided on update, subnets on segments"""1056        network, segments, _s = self._create_test_segments_with_subnets(2)1057        port = self._create_deferred_ip_port(network)1058        self._validate_deferred_ip_allocation(port['port']['id'])1059        # This host is bound to multiple segments1060        self._setup_host_mappings([(segments[0]['segment']['id'], 'fakehost'),1061                                   (segments[1]['segment']['id'], 'fakehost')])1062        # Try requesting an IP (but the only subnet is on a segment)1063        data = {'port': {portbindings.HOST_ID: 'fakehost'}}1064        port_id = port['port']['id']1065        port_req = self.new_update_request('ports', data, port_id)1066        response = port_req.get_response(self.api)1067        res = self.deserialize(self.fmt, response)1068        # Gets conflict because it can't map the host to a segment1069        self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)1070        self.assertEqual(segment_exc.HostConnectedToMultipleSegments.__name__,1071                         res['NeutronError']['type'])1072    def test_port_update_allocate_no_segments(self):1073        """Binding information is provided, subnet created after port"""1074        with self.network() as network:1075            pass1076        # Create a bound port with no IP address (since there is not subnet)1077        port = self._create_deferred_ip_port(network)1078        # Create the subnet and try to update the port to get an IP1079        with self.subnet(network=network) as subnet:1080            # Try requesting an IP (but the only subnet is on a segment)1081            data = {'port': {1082                'fixed_ips': [{'subnet_id': subnet['subnet']['id']}]}}1083            port_id = port['port']['id']1084            port_req = self.new_update_request('ports', data, port_id)1085            response = port_req.get_response(self.api)1086        # Since port is bound and there is a mapping to segment, it succeeds.1087        self.assertEqual(webob.exc.HTTPOk.code, response.status_int)1088        self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])1089    def test_port_update_deferred_allocation_no_ips(self):1090        """Binding information is provided on update, subnets on segments"""1091        network, segments, subnets = self._create_test_segments_with_subnets(2)1092        self._setup_host_mappings([(segments[0]['segment']['id'], 'fakehost2'),1093                                   (segments[1]['segment']['id'], 'fakehost')])1094        port = self._create_deferred_ip_port(network)1095        # Update the subnet on the second segment to be out of IPs1096        subnet_data = {'subnet': {'allocation_pools': []}}1097        subnet_req = self.new_update_request('subnets',1098                                             subnet_data,1099                                             subnets[1]['subnet']['id'])1100        subnet_response = subnet_req.get_response(self.api)1101        res = self.deserialize(self.fmt, subnet_response)1102        # Try requesting an IP (but the subnet ran out of ips)1103        data = {'port': {portbindings.HOST_ID: 'fakehost'}}1104        port_id = port['port']['id']1105        port_req = self.new_update_request('ports', data, port_id)1106        response = port_req.get_response(self.api)1107        res = self.deserialize(self.fmt, response)1108        # Since port is bound and there is a mapping to segment, it succeeds.1109        self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)1110        self.assertEqual(n_exc.IpAddressGenerationFailure.__name__,1111                         res['NeutronError']['type'])1112    def test_port_update_fails_if_host_on_wrong_segment(self):1113        """Update a port with existing IPs to a host where they don't work"""1114        network, segments, subnets = self._create_test_segments_with_subnets(2)1115        self._setup_host_mappings([(segments[0]['segment']['id'], 'fakehost2'),1116                                   (segments[1]['segment']['id'], 'fakehost')])1117        # Create a bound port with an IP address1118        response = self._create_port(self.fmt,1119                                     net_id=network['network']['id'],1120                                     tenant_id=network['network']['tenant_id'],1121                                     arg_list=(portbindings.HOST_ID,),1122                                     **{portbindings.HOST_ID: 'fakehost'})1123        self._assert_one_ip_in_subnet(response, subnets[1]['subnet']['cidr'])1124        port = self.deserialize(self.fmt, response)1125        # Now, try to update binding to a host on the other segment1126        data = {'port': {portbindings.HOST_ID: 'fakehost2'}}1127        port_req = self.new_update_request('ports', data, port['port']['id'])1128        response = port_req.get_response(self.api)1129        # It fails since the IP address isn't compatible with the new segment1130        self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)1131    def test_port_update_fails_if_host_on_good_segment(self):1132        """Update a port with existing IPs to a host where they don't work"""1133        network, segments, subnets = self._create_test_segments_with_subnets(2)1134        self._setup_host_mappings([(segments[0]['segment']['id'], 'fakehost2'),1135                                   (segments[1]['segment']['id'], 'fakehost1'),1136                                   (segments[1]['segment']['id'], 'fakehost')])1137        # Create a bound port with an IP address1138        response = self._create_port(self.fmt,1139                                     net_id=network['network']['id'],1140                                     tenant_id=network['network']['tenant_id'],1141                                     arg_list=(portbindings.HOST_ID,),1142                                     **{portbindings.HOST_ID: 'fakehost'})1143        self._assert_one_ip_in_subnet(response, subnets[1]['subnet']['cidr'])1144        port = self.deserialize(self.fmt, response)1145        # Now, try to update binding to another host in same segment1146        data = {'port': {portbindings.HOST_ID: 'fakehost1'}}1147        port_req = self.new_update_request('ports', data, port['port']['id'])1148        response = port_req.get_response(self.api)1149        # Since the new host is in the same segment, it succeeds.1150        self.assertEqual(webob.exc.HTTPOk.code, response.status_int)1151class TestSegmentAwareIpamML2(TestSegmentAwareIpam):1152    def setUp(self):1153        config.cfg.CONF.set_override('network_vlan_ranges',1154                                     ['physnet:200:209', 'physnet0:200:209',1155                                      'physnet1:200:209', 'physnet2:200:209'],1156                                     group='ml2_type_vlan')1157        super(TestSegmentAwareIpamML2, self).setUp(plugin='ml2')1158class TestDhcpAgentSegmentScheduling(HostSegmentMappingTestCase):1159    _mechanism_drivers = ['openvswitch', 'logger']1160    mock_path = 'neutron.services.segments.db.update_segment_host_mapping'1161    def setUp(self):1162        super(TestDhcpAgentSegmentScheduling, self).setUp()1163        self.dhcp_agent_db = agentschedulers_db.DhcpAgentSchedulerDbMixin()1164        self.ctx = context.get_admin_context()1165    def _test_create_network_and_segment(self, phys_net):1166        with self.network() as net:1167            network = net['network']1168        segment = self._test_create_segment(network_id=network['id'],1169                                            physical_network=phys_net,1170                                            segmentation_id=200,1171                                            network_type='vlan')1172        dhcp_agents = self.dhcp_agent_db.get_dhcp_agents_hosting_networks(1173            self.ctx, [network['id']])1174        self.assertEqual(0, len(dhcp_agents))1175        return network, segment['segment']1176    def _test_create_subnet(self, network, segment, cidr=None,1177                            enable_dhcp=True):1178        cidr = cidr or '10.0.0.0/24'1179        ip_version = 41180        with self.subnet(network={'network': network},1181                         segment_id=segment['id'],1182                         ip_version=ip_version,1183                         cidr=cidr,1184                         enable_dhcp=enable_dhcp) as subnet:1185            pass1186        return subnet['subnet']1187    def _register_dhcp_agents(self, hosts=None):1188        hosts = hosts or [DHCP_HOSTA, DHCP_HOSTB]1189        for host in hosts:1190            helpers.register_dhcp_agent(host)1191    def test_network_scheduling_on_segment_creation(self):1192        self._register_dhcp_agents()1193        self._test_create_network_and_segment('phys_net1')1194    def test_segment_scheduling_no_host_mapping(self):1195        self._register_dhcp_agents()1196        network, segment = self._test_create_network_and_segment('phys_net1')1197        self._test_create_subnet(network, segment)1198        dhcp_agents = self.dhcp_agent_db.get_dhcp_agents_hosting_networks(1199            self.ctx, [network['id']])1200        self.assertEqual(0, len(dhcp_agents))1201    def test_segment_scheduling_with_host_mapping(self):1202        phys_net1 = 'phys_net1'1203        self._register_dhcp_agents()1204        network, segment = self._test_create_network_and_segment(phys_net1)1205        self._register_agent(DHCP_HOSTA,1206                             mappings={phys_net1: 'br-eth-1'},1207                             plugin=self.plugin)1208        self._test_create_subnet(network, segment)1209        dhcp_agents = self.dhcp_agent_db.get_dhcp_agents_hosting_networks(1210            self.ctx, [network['id']])1211        self.assertEqual(1, len(dhcp_agents))1212        self.assertEqual(DHCP_HOSTA, dhcp_agents[0]['host'])1213    def test_segment_scheduling_with_multiple_host_mappings(self):1214        phys_net1 = 'phys_net1'1215        phys_net2 = 'phys_net2'1216        self._register_dhcp_agents([DHCP_HOSTA, DHCP_HOSTB, 'MEHA', 'MEHB'])1217        network, segment1 = self._test_create_network_and_segment(phys_net1)1218        segment2 = self._test_create_segment(network_id=network['id'],1219                                             physical_network=phys_net2,1220                                             segmentation_id=200,1221                                             network_type='vlan')['segment']1222        self._register_agent(DHCP_HOSTA,1223                             mappings={phys_net1: 'br-eth-1'},1224                             plugin=self.plugin)1225        self._register_agent(DHCP_HOSTB,1226                             mappings={phys_net2: 'br-eth-1'},1227                             plugin=self.plugin)1228        self._test_create_subnet(network, segment1)1229        self._test_create_subnet(network, segment2, cidr='11.0.0.0/24')1230        dhcp_agents = self.dhcp_agent_db.get_dhcp_agents_hosting_networks(1231            self.ctx, [network['id']])1232        self.assertEqual(2, len(dhcp_agents))...
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