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

   1 /*
   2  * Copyright (c) 2015, 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 package org.opendaylight.vpnservice.itm.confighelpers;
   9
  10 import java.math.BigInteger;
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import java.util.concurrent.Callable;
  14
  15 import com.google.common.util.concurrent.FutureCallback;
  16 import com.google.common.util.concurrent.ListenableFuture;
  17
  18 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
  19 import org.opendaylight.vpnservice.itm.globals.ITMConstants;
  20 import org.opendaylight.vpnservice.itm.impl.ItmUtils;
  21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  26 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeBase;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeGre;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeVxlan;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.DpnEndpoints;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.DpnEndpointsBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.ExternalTunnelList;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.TunnelList;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.DPNTEPsInfo;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnel;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnelBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnelKey;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.tunnel.list.InternalTunnel;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.tunnel.list.InternalTunnelKey;
  41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  42 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45
  46 public class ItmInternalTunnelAddWorker {
  47      private static final Logger logger = LoggerFactory.getLogger(ItmInternalTunnelAddWorker.class) ;
  48      private static final FutureCallback<Void> DEFAULT_CALLBACK =
  49              new FutureCallback<Void>() {
  50                  public void onSuccess(Void result) {
  51                      logger.debug("Success in Datastore operation");
  52                  }
  53
  54                  public void onFailure(Throwable error) {
  55                      logger.error("Error in Datastore operation", error);
  56                  };
  57              };
  58
  59
  60     public static List<ListenableFuture<Void>> build_all_tunnels(DataBroker dataBroker, IdManagerService idManagerService,IMdsalApiManager mdsalManager,
  61                                                                  List<DPNTEPsInfo> cfgdDpnList, List<DPNTEPsInfo> meshedDpnList) {
  62         logger.trace( "Building tunnels with DPN List {} " , cfgdDpnList );
  63         List<ListenableFuture<Void>> futures = new ArrayList<>();
  64         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  65         if( null == cfgdDpnList || cfgdDpnList.isEmpty()) {
  66             logger.error(" Build Tunnels was invoked with empty list");
  67             return futures;
  68          }
  69
  70         for( DPNTEPsInfo dpn : cfgdDpnList) {
  71             //#####if dpn is not in meshedDpnList
  72             build_tunnel_from(dpn, meshedDpnList, dataBroker, idManagerService, mdsalManager, t, futures);
  73             if(null == meshedDpnList) {
  74                 meshedDpnList = new ArrayList<DPNTEPsInfo>() ;
  75             }
  76             meshedDpnList.add(dpn) ;
  77             // Update the operational datastore -- FIXME -- Error Handling
  78             updateOperationalDatastore(dataBroker, dpn, t, futures) ;
  79         }
  80         futures.add( t.submit()) ;
  81         return futures ;
  82     }
  83
  84     private static void updateOperationalDatastore(DataBroker dataBroker, DPNTEPsInfo dpn, WriteTransaction t, List<ListenableFuture<Void>> futures) {
  85         logger.debug("Updating CONFIGURATION datastore with DPN {} ", dpn);
  86         InstanceIdentifier<DpnEndpoints> dep = InstanceIdentifier.builder( DpnEndpoints.class).build() ;
  87         List<DPNTEPsInfo> dpnList = new ArrayList<DPNTEPsInfo>() ;
  88         dpnList.add(dpn) ;
  89         DpnEndpoints tnlBuilder = new DpnEndpointsBuilder().setDPNTEPsInfo(dpnList).build() ;
  90         t.merge(LogicalDatastoreType.CONFIGURATION, dep, tnlBuilder, true);
  91     }
  92
  93     private static void build_tunnel_from( DPNTEPsInfo srcDpn,List<DPNTEPsInfo> meshedDpnList, DataBroker dataBroker,  IdManagerService idManagerService, IMdsalApiManager mdsalManager, WriteTransaction t, List<ListenableFuture<Void>> futures) {
  94         logger.trace( "Building tunnels from DPN {} " , srcDpn );
  95
  96         if( null == meshedDpnList || 0 == meshedDpnList.size()) {
  97             logger.debug( "No DPN in the mesh ");
  98             return ;
  99         }
 100         for( DPNTEPsInfo dstDpn: meshedDpnList) {
 101             if ( ! srcDpn.equals(dstDpn) )
 102                     wireUpWithinTransportZone(srcDpn, dstDpn, dataBroker, idManagerService, mdsalManager, t, futures) ;
 103         }
 104
 105    }
 106
 107     private static void wireUpWithinTransportZone( DPNTEPsInfo srcDpn, DPNTEPsInfo dstDpn, DataBroker dataBroker,
 108                                                    IdManagerService idManagerService, IMdsalApiManager mdsalManager,WriteTransaction t, List<ListenableFuture<Void>> futures) {
 109         logger.trace( "Wiring up within Transport Zone for Dpns {}, {} " , srcDpn, dstDpn );
 110         List<TunnelEndPoints> srcEndPts = srcDpn.getTunnelEndPoints();
 111         List<TunnelEndPoints> dstEndPts = dstDpn.getTunnelEndPoints();
 112
 113         for( TunnelEndPoints srcte : srcEndPts) {
 114             for( TunnelEndPoints dstte : dstEndPts ) {
 115                 // Compare the Transport zones
 116               if (!srcDpn.getDPNID().equals(dstDpn.getDPNID())) {
 117                 if( (srcte.getTransportZone().equals(dstte.getTransportZone()))) {
 118                      // wire them up
 119                      wireUpBidirectionalTunnel( srcte, dstte, srcDpn.getDPNID(), dstDpn.getDPNID(), dataBroker, idManagerService,  mdsalManager, t, futures );
 120                      // CHECK THIS -- Assumption -- One end point per Dpn per transport zone
 121                      break ;
 122                 }
 123               }
 124             }
 125          }
 126     }
 127
 128     private static void wireUpBidirectionalTunnel( TunnelEndPoints srcte, TunnelEndPoints dstte, BigInteger srcDpnId, BigInteger dstDpnId,
 129         DataBroker dataBroker,  IdManagerService idManagerService, IMdsalApiManager mdsalManager, WriteTransaction t, List<ListenableFuture<Void>> futures) {
 130        // Setup the flow for LLDP monitoring -- PUNT TO CONTROLLER
 131          ItmUtils.setUpOrRemoveTerminatingServiceTable(srcDpnId, mdsalManager, true);
 132          ItmUtils.setUpOrRemoveTerminatingServiceTable(dstDpnId, mdsalManager, true);
 133
 134         // Create the forward direction tunnel
 135         if(!wireUp( srcte, dstte, srcDpnId, dstDpnId, dataBroker, idManagerService, t, futures ))
 136            logger.error("Could not build tunnel between end points {}, {} " , srcte, dstte );
 137
 138         // CHECK IF FORWARD IS NOT BUILT , REVERSE CAN BE BUILT
 139       // Create the tunnel for the reverse direction
 140        if(! wireUp( dstte, srcte, dstDpnId, srcDpnId, dataBroker, idManagerService, t, futures ))
 141           logger.error("Could not build tunnel between end points {}, {} " , dstte, srcte);
 142     }
 143
 144     private static boolean wireUp(TunnelEndPoints srcte, TunnelEndPoints dstte, BigInteger srcDpnId, BigInteger dstDpnId ,
 145                                   DataBroker dataBroker, IdManagerService idManagerService, WriteTransaction t, List<ListenableFuture<Void>> futures) {
 146         // Wire Up logic
 147         logger.trace( "Wiring between source tunnel end points {}, destination tunnel end points {} " , srcte, dstte );
 148         String interfaceName = srcte.getInterfaceName() ;
 149         Class<? extends TunnelTypeBase> tunType = srcte.getTunnelType();
 150         String tunTypeStr = srcte.getTunnelType().getName();
 151         // Form the trunk Interface Name
 152         String trunkInterfaceName = ItmUtils.getTrunkInterfaceName( idManagerService, interfaceName,
 153                                                                     srcte.getIpAddress().getIpv4Address().getValue(),
 154                                                                     dstte.getIpAddress().getIpv4Address().getValue(),
 155                                                                     tunTypeStr) ;
 156         IpAddress gatewayIpObj = new IpAddress("0.0.0.0".toCharArray());
 157         IpAddress gwyIpAddress = ( srcte.getSubnetMask().equals(dstte.getSubnetMask()) ) ? gatewayIpObj : srcte.getGwIpAddress() ;
 158         logger.debug(  " Creating Trunk Interface with parameters trunk I/f Name - {}, parent I/f name - {}, source IP - {}, destination IP - {} gateway IP - {}",trunkInterfaceName, interfaceName, srcte.getIpAddress(), dstte.getIpAddress(), gwyIpAddress ) ;
 159         Boolean monitorEnabled = ItmUtils.readMonitoringStateFromDS(dataBroker);
 160         Integer monitorInterval = ItmUtils.readMonitorIntervalfromDS(dataBroker);
 161         if(monitorInterval == null)
 162             monitorInterval = ITMConstants.DEFAULT_MONITOR_INTERVAL;
 163         Interface iface = ItmUtils.buildTunnelInterface(srcDpnId, trunkInterfaceName, String.format( "%s %s",ItmUtils.convertTunnelTypetoString(srcte.getTunnelType()), "Trunk Interface"), true, tunType, srcte.getIpAddress(), dstte.getIpAddress(), gwyIpAddress, srcte.getVLANID(), true, monitorEnabled, monitorInterval*1000);
 164         logger.debug(  " Trunk Interface builder - {} ", iface ) ;
 165         InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
 166         logger.debug(  " Trunk Interface Identifier - {} ", trunkIdentifier ) ;
 167         logger.trace(  " Writing Trunk Interface to Config DS {}, {} ", trunkIdentifier, iface ) ;
 168         t.merge(LogicalDatastoreType.CONFIGURATION, trunkIdentifier, iface, true);
 169         ItmUtils.itmCache.addInterface(iface);
 170         // also update itm-state ds?
 171         InstanceIdentifier<InternalTunnel> path = InstanceIdentifier.create(
 172                 TunnelList.class)
 173                     .child(InternalTunnel.class, new InternalTunnelKey( dstDpnId, srcDpnId, tunType));
 174         InternalTunnel tnl = ItmUtils.buildInternalTunnel(srcDpnId, dstDpnId, tunType, trunkInterfaceName);
 175         //ItmUtils.asyncUpdate(LogicalDatastoreType.CONFIGURATION, path, tnl, dataBroker, DEFAULT_CALLBACK);
 176         t.merge(LogicalDatastoreType.CONFIGURATION,path, tnl, true) ;
 177         ItmUtils.itmCache.addInternalTunnel(tnl);
 178         return true;
 179     }
 180 }