itm/itm-impl/src/main/java/org/opendaylight/vpnservice/itm/confighelpers/ItmExternalTunnelDeleteWorker.java

   1 /*
   2  * Copyright (c) 2015 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 package org.opendaylight.vpnservice.itm.confighelpers;
   9
  10 import java.util.ArrayList;
  11 import java.util.List;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.vpnservice.itm.impl.ItmUtils;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeBase;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.ExternalTunnelList;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.DPNTEPsInfo;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnel;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnelKey;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 import com.google.common.util.concurrent.ListenableFuture;
  31
  32 public class ItmExternalTunnelDeleteWorker {
  33     private static final Logger logger = LoggerFactory.getLogger(ItmExternalTunnelDeleteWorker.class ) ;
  34
  35     public static List<ListenableFuture<Void>> deleteTunnels(DataBroker dataBroker, IdManagerService idManagerService, List<DPNTEPsInfo> dpnTepsList,IpAddress extIp, Class<? extends TunnelTypeBase> tunType ) {
  36         logger.trace( " Delete Tunnels towards DC Gateway with Ip  {}", extIp ) ;
  37         List<ListenableFuture<Void>> futures = new ArrayList<>();
  38         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  39
  40             if (dpnTepsList == null || dpnTepsList.size() == 0) {
  41                 logger.debug("no vtep to delete");
  42                 return null ;
  43             }
  44             for( DPNTEPsInfo teps : dpnTepsList) {
  45                 TunnelEndPoints firstEndPt = teps.getTunnelEndPoints().get(0) ;
  46                 if( firstEndPt.getTunnelType().equals(tunType)) {
  47                     String interfaceName = firstEndPt.getInterfaceName() ;
  48                     String trunkInterfaceName = ItmUtils.getTrunkInterfaceName(idManagerService, interfaceName,firstEndPt.getIpAddress().getIpv4Address().getValue(), extIp.getIpv4Address().getValue()) ;
  49                     InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
  50                     t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
  51
  52                     InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
  53                             ExternalTunnelList.class)
  54                                 .child(ExternalTunnel.class, new ExternalTunnelKey(extIp, teps.getDPNID()));
  55                     t.delete(LogicalDatastoreType.CONFIGURATION, path);
  56                     // Release the Ids for the trunk interface
  57                     ItmUtils.releaseId(idManagerService, trunkInterfaceName);
  58                 }
  59             }
  60             futures.add(t.submit()) ;
  61         return futures ;
  62     }
  63
  64 }