itm/itm-impl/src/main/java/org/opendaylight/vpnservice/itm/confighelpers/ItmExternalTunnelAddWorker.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.math.BigInteger;
  11 import java.util.ArrayList;
  12 import java.util.List;
  13
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.vpnservice.itm.impl.ItmUtils;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeBase;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeGre;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeVxlan;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.ExternalTunnelList;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.DPNTEPsInfo;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnel;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnelBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnelKey;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33 import org.apache.commons.net.util.SubnetUtils;
  34
  35 import com.google.common.util.concurrent.FutureCallback;
  36 import com.google.common.util.concurrent.ListenableFuture;
  37
  38 public class ItmExternalTunnelAddWorker {
  39     private static final Logger logger = LoggerFactory.getLogger(ItmExternalTunnelAddWorker.class ) ;
  40
  41     private static final FutureCallback<Void> DEFAULT_CALLBACK =
  42             new FutureCallback<Void>() {
  43                 public void onSuccess(Void result) {
  44                     logger.debug("Success in Datastore operation");
  45                 }
  46
  47                 public void onFailure(Throwable error) {
  48                     logger.error("Error in Datastore operation", error);
  49                 };
  50             };
  51
  52     public static List<ListenableFuture<Void>> buildTunnelsToExternalEndPoint(DataBroker dataBroker, IdManagerService idManagerService,
  53                                                                               List<DPNTEPsInfo> cfgDpnList, IpAddress extIp, Class<? extends TunnelTypeBase> tunType) {
  54         List<ListenableFuture<Void>> futures = new ArrayList<>();
  55         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  56        if( null != cfgDpnList) {
  57           for( DPNTEPsInfo teps : cfgDpnList ) {
  58              // CHECK -- Assumption -- Only one End Point / Dpn for GRE/Vxlan Tunnels
  59               TunnelEndPoints firstEndPt = teps.getTunnelEndPoints().get(0) ;
  60               String interfaceName = firstEndPt.getInterfaceName() ;
  61               String trunkInterfaceName = ItmUtils.getTrunkInterfaceName(idManagerService, interfaceName, firstEndPt.getIpAddress().getIpv4Address().getValue(), extIp.getIpv4Address().getValue()) ;
  62               char[] subnetMaskArray = firstEndPt.getSubnetMask().getValue() ;
  63               String subnetMaskStr = String.valueOf(subnetMaskArray) ;
  64               SubnetUtils utils = new SubnetUtils(subnetMaskStr);
  65               String dcGwyIpStr = String.valueOf(extIp.getValue());
  66               IpAddress gwyIpAddress = (utils.getInfo().isInRange(dcGwyIpStr) ) ? null : firstEndPt.getGwIpAddress() ;
  67               String ifDescription = tunType.getName();
  68               logger.debug(  " Creating Trunk Interface with parameters trunk I/f Name - {}, parent I/f name - {}, source IP - {}, DC Gateway IP - {} gateway IP - {}",trunkInterfaceName, interfaceName, firstEndPt.getIpAddress(), extIp, gwyIpAddress ) ;
  69               Interface iface = ItmUtils.buildTunnelInterface(teps.getDPNID(), trunkInterfaceName, String.format( "%s %s",ifDescription, "Trunk Interface"), true, tunType, firstEndPt.getIpAddress(), extIp, gwyIpAddress) ;
  70               logger.debug(  " Trunk Interface builder - {} ", iface ) ;
  71               InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
  72               logger.debug(  " Trunk Interface Identifier - {} ", trunkIdentifier ) ;
  73               logger.trace(  " Writing Trunk Interface to Config DS {}, {} ", trunkIdentifier, iface ) ;
  74               //ItmUtils.asyncUpdate(LogicalDatastoreType.CONFIGURATION,trunkIdentifier, iface , dataBroker, ItmUtils.DEFAULT_CALLBACK);
  75               t.merge(LogicalDatastoreType.CONFIGURATION, trunkIdentifier, iface, true);
  76        //       update_external_tunnels_ds(teps.getDPNID(), extIp, trunkInterfaceName, tunType);
  77               InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
  78                       ExternalTunnelList.class)
  79                           .child(ExternalTunnel.class, new ExternalTunnelKey(extIp, teps.getDPNID()));
  80               ExternalTunnel tnl = new ExternalTunnelBuilder().setKey(new ExternalTunnelKey(extIp, teps.getDPNID()))
  81                                              .setDestinationIP(extIp)
  82                                              .setSourceDPN(teps.getDPNID())
  83                                              .setTunnelInterfaceName(trunkInterfaceName).build();
  84               ItmUtils.asyncUpdate(LogicalDatastoreType.CONFIGURATION, path, tnl, dataBroker, DEFAULT_CALLBACK);
  85           }
  86           futures.add( t.submit()) ;
  87        }
  88         return futures ;
  89     }
  90
  91     public static List<ListenableFuture<Void>> buildTunnelsFromDpnToExternalEndPoint(DataBroker dataBroker, IdManagerService idManagerService,
  92                                                                                      List<BigInteger> dpnId, IpAddress extIp, Class<? extends TunnelTypeBase> tunType) {
  93         List<ListenableFuture<Void>> futures = new ArrayList<>();
  94         List<DPNTEPsInfo> cfgDpnList = new ArrayList<DPNTEPsInfo>() ;
  95         List<DPNTEPsInfo> meshedDpnList = ItmUtils.getTunnelMeshInfo(dataBroker) ;
  96         if( null != meshedDpnList) {
  97            for (BigInteger dpn : dpnId){
  98                   for( DPNTEPsInfo teps : meshedDpnList ) {
  99                       if( teps.getDPNID().equals(dpn)) {
 100                          cfgDpnList.add(teps) ;
 101                       }
 102                    }
 103            }
 104           futures = buildTunnelsToExternalEndPoint( dataBroker, idManagerService, cfgDpnList, extIp, tunType) ;
 105        }
 106         return futures ;
 107     }
 108 }