itm/itm-impl/src/test/java/org/opendaylight/genius/itm/impl/ItmExternalTunnelDeleteTest.java

   1 /*
   2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.genius.itm.impl;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.util.concurrent.Futures;
  13 import org.junit.After;
  14 import org.junit.Before;
  15 import org.junit.Test;
  16 import org.junit.runner.RunWith;
  17 import org.mockito.Mock;
  18 import org.mockito.runners.MockitoJUnitRunner;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  21 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  22 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  23 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
  24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  25 import org.opendaylight.genius.itm.confighelpers.HwVtep;
  26 import org.opendaylight.genius.itm.confighelpers.ItmExternalTunnelDeleteWorker;
  27 import org.opendaylight.genius.itm.globals.ITMConstants;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddressBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpPrefix;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpPrefixBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.*;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeBase;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeVxlan;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.ExternalTunnelList;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfo;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfoBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfoKey;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.dpn.teps.info
  41         .TunnelEndPoints;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.dpn.teps.info
  43         .TunnelEndPointsBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list.ExternalTunnel;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list
  46         .ExternalTunnelBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list.ExternalTunnelKey;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.TransportZones;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZone;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZoneBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZoneKey;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.Subnets;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone
  54         .SubnetsBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.SubnetsKey;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.subnets.*;
  57 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  58 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  59 import org.opendaylight.yangtools.yang.common.RpcResult;
  60 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  61
  62 import java.math.BigInteger;
  63 import java.util.ArrayList;
  64 import java.util.List;
  65 import java.util.concurrent.Future;
  66
  67 import static org.mockito.Matchers.any;
  68 import static org.mockito.Mockito.*;
  69
  70 @RunWith(MockitoJUnitRunner.class)
  71 public class ItmExternalTunnelDeleteTest {
  72
  73     int vlanId = 100 ;
  74     String portName1 = "phy0";
  75     String parentInterfaceName = "1:phy0:100" ;
  76     String transportZone1 = "TZA" ;
  77     String subnetIp = "10.1.1.24";
  78     String tepIp1 = "192.168.56.30";
  79     String tepIp2 = "192.168.56.40";
  80     String tepIp3 = "192.168.56.101";
  81     String gwyIp1 = "0.0.0.0";
  82     String gwyIp2 = "0.0.0.1";
  83     String trunkInterfaceName = null;
  84     IpAddress ipAddress1 = null;
  85     IpAddress ipAddress2 = null;
  86     IpAddress ipAddress3 = null;
  87     IpAddress gtwyIp1 = null;
  88     IpAddress gtwyIp2 = null;
  89     IpPrefix ipPrefixTest = null;
  90     BigInteger dpId2 = BigInteger.valueOf(1);
  91     DPNTEPsInfo dpntePsInfoVxlan = null;
  92     TunnelEndPoints tunnelEndPointsVxlan = null;
  93     HwVtep hwVtep1  = null;
  94     Subnets subnets = null;
  95     DeviceVteps deviceVteps1 = null;
  96     DeviceVteps deviceVteps2 = null;
  97     Vteps vteps = null;
  98     TransportZone transportZone = null;
  99     AllocateIdInput getIdInput1 = null;
 100     AllocateIdInput getIdInput2 = null;
 101     AllocateIdInput getIdInput3 = null;
 102     AllocateIdInput getIdInput4 = null;
 103     AllocateIdInput getIdInput5 = null;
 104     AllocateIdInput getIdInput6 = null;
 105     AllocateIdInput getIdInput7 = null;
 106     AllocateIdInput getIdInput8 = null;
 107     ExternalTunnel externalTunnel = null;
 108     List<TunnelEndPoints> tunnelEndPointsListVxlan = new ArrayList<>();
 109     List<DPNTEPsInfo> dpnTepsList = new ArrayList<DPNTEPsInfo>() ;
 110     List<HwVtep> cfgdHwVtepsList = new ArrayList<>();
 111     List<Subnets> subnetsList = new ArrayList<>();
 112     List<DeviceVteps> deviceVtepsList = new ArrayList<>();
 113     List<Vteps> vtepsList = new ArrayList<>();
 114     java.lang.Class<? extends TunnelTypeBase> tunnelType1 = TunnelTypeVxlan.class;
 115
 116     AllocateIdOutput expectedId1 = new AllocateIdOutputBuilder().setIdValue(Long.valueOf("100")).build();
 117     Future<RpcResult<AllocateIdOutput>> idOutputOptional1 ;
 118     AllocateIdOutput expectedId2 = new AllocateIdOutputBuilder().setIdValue(Long.valueOf("101")).build();
 119     Future<RpcResult<AllocateIdOutput>> idOutputOptional2 ;
 120     AllocateIdOutput expectedId3 = new AllocateIdOutputBuilder().setIdValue(Long.valueOf("102")).build();
 121     Future<RpcResult<AllocateIdOutput>> idOutputOptional3 ;
 122     AllocateIdOutput expectedId4 = new AllocateIdOutputBuilder().setIdValue(Long.valueOf("103")).build();
 123     Future<RpcResult<AllocateIdOutput>> idOutputOptional4 ;
 124     AllocateIdOutput expectedId5 = new AllocateIdOutputBuilder().setIdValue(Long.valueOf("104")).build();
 125     Future<RpcResult<AllocateIdOutput>> idOutputOptional5 ;
 126     AllocateIdOutput expectedId6 = new AllocateIdOutputBuilder().setIdValue(Long.valueOf("105")).build();
 127     Future<RpcResult<AllocateIdOutput>> idOutputOptional6 ;
 128     AllocateIdOutput expectedId7 = new AllocateIdOutputBuilder().setIdValue(Long.valueOf("105")).build();
 129     Future<RpcResult<AllocateIdOutput>> idOutputOptional7 ;
 130     AllocateIdOutput expectedId8 = new AllocateIdOutputBuilder().setIdValue(Long.valueOf("106")).build();
 131     Future<RpcResult<AllocateIdOutput>> idOutputOptional8 ;
 132     InstanceIdentifier<Interface> trunkIdentifier ;
 133     InstanceIdentifier<ExternalTunnel> path ;
 134
 135     @Mock DataBroker dataBroker;
 136     @Mock ListenerRegistration<DataChangeListener> dataChangeListenerRegistration;
 137     @Mock ReadOnlyTransaction mockReadTx;
 138     @Mock WriteTransaction mockWriteTx;
 139     @Mock IdManagerService idManagerService;
 140
 141     ItmExternalTunnelDeleteWorker itmExternalTunnelDeleteWorker = new ItmExternalTunnelDeleteWorker();
 142
 143     @Before
 144     public void setUp() throws Exception {
 145         when(dataBroker.registerDataChangeListener(
 146                 any(LogicalDatastoreType.class),
 147                 any(InstanceIdentifier.class),
 148                 any(DataChangeListener.class),
 149                 any(AsyncDataBroker.DataChangeScope.class)))
 150                 .thenReturn(dataChangeListenerRegistration);
 151         setupMocks();
 152
 153         when(idManagerService.releaseId(any(ReleaseIdInput.class))).thenReturn(Futures.immediateFuture(RpcResultBuilder
 154                 .<Void>success().build()));
 155     }
 156
 157     @After
 158     public void cleanUp() {
 159     }
 160
 161     private void setupMocks(){
 162
 163         ipAddress1 = IpAddressBuilder.getDefaultInstance(tepIp1);
 164         ipAddress2 = IpAddressBuilder.getDefaultInstance(tepIp2);
 165         ipAddress3 = IpAddressBuilder.getDefaultInstance(tepIp3);
 166         ipPrefixTest = IpPrefixBuilder.getDefaultInstance(subnetIp + "/24");
 167         gtwyIp1 = IpAddressBuilder.getDefaultInstance(gwyIp1);
 168         gtwyIp2 = IpAddressBuilder.getDefaultInstance(gwyIp2);
 169         deviceVteps1 = new DeviceVtepsBuilder().setIpAddress(ipAddress1).setKey(new DeviceVtepsKey(ipAddress1, "hwvtep:1"))
 170                 .setNodeId("hwvtep://192.168.101.30:6640/physicalswitch/s3").setTopologyId("hwvtep:1").build();
 171         deviceVteps2 = new DeviceVtepsBuilder().setIpAddress(ipAddress2).setKey(new DeviceVtepsKey(ipAddress2, "hwvtep:1"))
 172                 .setNodeId("hwvtep://192.168.101.30:6640/physicalswitch/s3").setTopologyId("hwvtep:1").build();
 173         deviceVtepsList.add(deviceVteps1);
 174         deviceVtepsList.add(deviceVteps2);
 175         hwVtep1 = new HwVtep();
 176         hwVtep1.setTransportZone(transportZone1);
 177         hwVtep1.setGatewayIP(gtwyIp1);
 178         hwVtep1.setHwIp(ipAddress2);
 179         hwVtep1.setTunnel_type(tunnelType1);
 180         hwVtep1.setVlanID(vlanId);
 181         hwVtep1.setTopo_id("hwvtep:1");
 182         hwVtep1.setNode_id("hwvtep://192.168.101.30:6640/physicalswitch/s3");
 183         hwVtep1.setIpPrefix(ipPrefixTest);
 184         vteps = new VtepsBuilder().setDpnId(dpId2).setIpAddress(ipAddress1).setPortname(portName1).setKey(new
 185                 VtepsKey(dpId2,portName1)).build();
 186         vtepsList.add(vteps);
 187         idOutputOptional1 = RpcResultBuilder.success(expectedId1).buildFuture();
 188         getIdInput1 = new AllocateIdInputBuilder()
 189                 .setPoolName(ITMConstants.ITM_IDPOOL_NAME)
 190                 .setIdKey("1:phy0:100:192.168.56.101:192.168.56.30:VXLAN").build();
 191         doReturn(idOutputOptional1).when(idManagerService).allocateId(getIdInput1);
 192         idOutputOptional2 = RpcResultBuilder.success(expectedId2).buildFuture();
 193         getIdInput2 = new AllocateIdInputBuilder()
 194                 .setPoolName(ITMConstants.ITM_IDPOOL_NAME)
 195                 .setIdKey("hwvtep:1:hwvtep:1:192.168.56.30:192.168.56.101:VXLAN").build();
 196         doReturn(idOutputOptional2).when(idManagerService).allocateId(getIdInput2);
 197         idOutputOptional3 = RpcResultBuilder.success(expectedId3).buildFuture();
 198         getIdInput3 = new AllocateIdInputBuilder()
 199                 .setPoolName(ITMConstants.ITM_IDPOOL_NAME)
 200                 .setIdKey("1:phy0:100:192.168.56.101:192.168.56.40:VXLAN").build();
 201         doReturn(idOutputOptional3).when(idManagerService).allocateId(getIdInput3);
 202         idOutputOptional4 = RpcResultBuilder.success(expectedId4).buildFuture();
 203         getIdInput4 = new AllocateIdInputBuilder()
 204                 .setPoolName(ITMConstants.ITM_IDPOOL_NAME)
 205                 .setIdKey("hwvtep:1:hwvtep:1:192.168.56.40:192.168.56.101:VXLAN").build();
 206         doReturn(idOutputOptional4).when(idManagerService).allocateId(getIdInput4);
 207         idOutputOptional5 = RpcResultBuilder.success(expectedId5).buildFuture();
 208         getIdInput5 = new AllocateIdInputBuilder()
 209                 .setPoolName(ITMConstants.ITM_IDPOOL_NAME)
 210                 .setIdKey("hwvtep:1:hwvtep://192.168.101.30:6640/physicalswitch/s3:192.168.56.40:192.168.56.101:VXLAN").build();
 211         doReturn(idOutputOptional5).when(idManagerService).allocateId(getIdInput5);
 212         idOutputOptional6 = RpcResultBuilder.success(expectedId6).buildFuture();
 213         getIdInput6 = new AllocateIdInputBuilder()
 214                 .setPoolName(ITMConstants.ITM_IDPOOL_NAME)
 215                 .setIdKey("hwvtep:1:hwvtep://192.168.101.30:6640/physicalswitch/s3:192.168.56.40:192.168.56.30:VXLAN")
 216                 .build();
 217         doReturn(idOutputOptional6).when(idManagerService).allocateId(getIdInput6);
 218         idOutputOptional7 = RpcResultBuilder.success(expectedId7).buildFuture();
 219         getIdInput7 = new AllocateIdInputBuilder()
 220                 .setPoolName(ITMConstants.ITM_IDPOOL_NAME)
 221                 .setIdKey("hwvtep:1:hwvtep:1:192.168.56.30:192.168.56.40:VXLAN").build();
 222         doReturn(idOutputOptional7).when(idManagerService).allocateId(getIdInput7);
 223         idOutputOptional8 = RpcResultBuilder.success(expectedId8).buildFuture();
 224         getIdInput8 = new AllocateIdInputBuilder()
 225                 .setPoolName(ITMConstants.ITM_IDPOOL_NAME)
 226                 .setIdKey("1:phy0:100:192.168.56.30:192.168.56.40:VXLAN").build();
 227         doReturn(idOutputOptional8).when(idManagerService).allocateId(getIdInput8);
 228         tunnelEndPointsVxlan = new TunnelEndPointsBuilder().setVLANID(vlanId).setPortname(portName1).setIpAddress
 229                 (ipAddress3).setGwIpAddress(gtwyIp1).setInterfaceName(parentInterfaceName).setTransportZone
 230                 (transportZone1).setTunnelType(tunnelType1).setSubnetMask(ipPrefixTest).build();
 231         tunnelEndPointsListVxlan.add(tunnelEndPointsVxlan);
 232         dpntePsInfoVxlan = new DPNTEPsInfoBuilder().setDPNID(dpId2).setUp(true).setKey(new DPNTEPsInfoKey(dpId2))
 233                 .setTunnelEndPoints(tunnelEndPointsListVxlan).build();
 234         dpnTepsList.add(dpntePsInfoVxlan);
 235         cfgdHwVtepsList.add(hwVtep1);
 236         subnets = new SubnetsBuilder().setGatewayIp(gtwyIp1).setVlanId(vlanId).setKey(new SubnetsKey(ipPrefixTest))
 237                 .setDeviceVteps(deviceVtepsList).setVteps(vtepsList).build();
 238         subnetsList.add(subnets);
 239         transportZone = new TransportZoneBuilder().setTunnelType(tunnelType1).setZoneName(transportZone1).setKey(new
 240                 TransportZoneKey(transportZone1)).setSubnets(subnetsList).build();
 241         externalTunnel = new ExternalTunnelBuilder().setTunnelInterfaceName(parentInterfaceName).setTransportType
 242                 (tunnelType1).setDestinationDevice("hwvtep:1").setSourceDevice(dpId2.toString()).setKey(new
 243                 ExternalTunnelKey(dpId2.toString() , hwVtep1.getNode_id() , tunnelType1)).build();
 244         trunkInterfaceName = ItmUtils.getTrunkInterfaceName( idManagerService, parentInterfaceName,
 245                 tunnelEndPointsVxlan.getIpAddress().getIpv4Address().getValue(), ipAddress1.getIpv4Address().getValue(),
 246                 tunnelType1.getName());
 247         trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
 248         path = InstanceIdentifier.create(ExternalTunnelList.class)
 249                 .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(ipAddress1.toString(), dpId2.toString(),
 250                         tunnelType1));
 251
 252         doReturn(mockReadTx).when(dataBroker).newReadOnlyTransaction();
 253         doReturn(mockWriteTx).when(dataBroker).newWriteOnlyTransaction();
 254         doReturn(Futures.immediateCheckedFuture(null)).when(mockWriteTx).submit();
 255     }
 256
 257     @Test
 258     public void testDeleteTunnels(){
 259
 260         itmExternalTunnelDeleteWorker.deleteTunnels(dataBroker,idManagerService,dpnTepsList,ipAddress1,tunnelType1);
 261
 262         verify(mockWriteTx).delete(LogicalDatastoreType.CONFIGURATION,trunkIdentifier);
 263         verify(mockWriteTx).delete(LogicalDatastoreType.CONFIGURATION,path);
 264
 265     }
 266
 267     @Test
 268     public void testDeleteHwVtepsTunnels(){
 269
 270         InstanceIdentifier<TransportZone> transportZoneIdentifier = InstanceIdentifier.builder(TransportZones.class).child
 271                 (TransportZone.class, new TransportZoneKey(transportZone1)).build();
 272         InstanceIdentifier<ExternalTunnel> externalTunnelIdentifier1 = InstanceIdentifier.create(ExternalTunnelList
 273                 .class).child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(hwVtep1.getTopo_id(), dpId2.toString(),
 274                         tunnelType1));
 275         InstanceIdentifier<ExternalTunnel> externalTunnelIdentifier2 = InstanceIdentifier.create(ExternalTunnelList
 276                 .class).child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(dpId2.toString(), hwVtep1.getTopo_id(),
 277                 tunnelType1));
 278         InstanceIdentifier<ExternalTunnel> externalTunnelIdentifier3 = InstanceIdentifier.create(ExternalTunnelList
 279                 .class).child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(hwVtep1.getNode_id(), dpId2.toString(),
 280                 tunnelType1));
 281         InstanceIdentifier<ExternalTunnel> externalTunnelIdentifier4 = InstanceIdentifier.create(ExternalTunnelList
 282                 .class).child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(dpId2.toString(), hwVtep1.getNode_id(),
 283                 tunnelType1));
 284         InstanceIdentifier<ExternalTunnel> externalTunnelIdentifier5 = InstanceIdentifier.create(ExternalTunnelList
 285                 .class).child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(hwVtep1.getTopo_id(), hwVtep1.getNode_id(),
 286                 tunnelType1));
 287         InstanceIdentifier<ExternalTunnel> externalTunnelIdentifier6 = InstanceIdentifier.create(ExternalTunnelList
 288                 .class).child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey( hwVtep1.getNode_id(), hwVtep1.getTopo_id(),
 289                 tunnelType1));
 290
 291         Optional<TransportZone> optionalTransportZone = Optional.of(transportZone);
 292         Optional<ExternalTunnel> exTunnels = Optional.of(externalTunnel);
 293
 294         doReturn(Futures.immediateCheckedFuture(optionalTransportZone)).when(mockReadTx).read(LogicalDatastoreType
 295                 .CONFIGURATION,transportZoneIdentifier);
 296         doReturn(Futures.immediateCheckedFuture(exTunnels)).when(mockReadTx).read(LogicalDatastoreType.CONFIGURATION,
 297                 externalTunnelIdentifier1);
 298         doReturn(Futures.immediateCheckedFuture(exTunnels)).when(mockReadTx).read(LogicalDatastoreType.CONFIGURATION,
 299                 externalTunnelIdentifier2);
 300         doReturn(Futures.immediateCheckedFuture(exTunnels)).when(mockReadTx).read(LogicalDatastoreType.CONFIGURATION,
 301                 externalTunnelIdentifier3);
 302         doReturn(Futures.immediateCheckedFuture(exTunnels)).when(mockReadTx).read(LogicalDatastoreType.CONFIGURATION,
 303                 externalTunnelIdentifier4);
 304         doReturn(Futures.immediateCheckedFuture(exTunnels)).when(mockReadTx).read(LogicalDatastoreType.CONFIGURATION,
 305                 externalTunnelIdentifier5);
 306         doReturn(Futures.immediateCheckedFuture(exTunnels)).when(mockReadTx).read(LogicalDatastoreType.CONFIGURATION,
 307                 externalTunnelIdentifier6);
 308
 309         itmExternalTunnelDeleteWorker.deleteHwVtepsTunnels(dataBroker,idManagerService,dpnTepsList,cfgdHwVtepsList);
 310
 311         verify(mockWriteTx).delete(LogicalDatastoreType.CONFIGURATION,trunkIdentifier);
 312         verify(mockWriteTx, times(2)).delete(LogicalDatastoreType.CONFIGURATION,externalTunnelIdentifier1);
 313         verify(mockWriteTx, times(2)).delete(LogicalDatastoreType.CONFIGURATION,externalTunnelIdentifier2);
 314         verify(mockWriteTx, times(2)).delete(LogicalDatastoreType.CONFIGURATION,externalTunnelIdentifier3);
 315         verify(mockWriteTx, times(2)).delete(LogicalDatastoreType.CONFIGURATION,externalTunnelIdentifier4);
 316         verify(mockWriteTx).delete(LogicalDatastoreType.CONFIGURATION,externalTunnelIdentifier5);
 317         verify(mockWriteTx).delete(LogicalDatastoreType.CONFIGURATION,externalTunnelIdentifier6);
 318
 319     }
 320
 321 }