itm/itm-impl/src/main/java/org/opendaylight/genius/itm/rpc/ItmManagerRpcService.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 package org.opendaylight.genius.itm.rpc;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.FutureCallback;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import com.google.common.util.concurrent.SettableFuture;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.genius.itm.confighelpers.ItmExternalTunnelAddWorker;
  19 import org.opendaylight.genius.itm.confighelpers.ItmExternalTunnelDeleteWorker;
  20 import org.opendaylight.genius.itm.globals.ITMConstants;
  21 import org.opendaylight.genius.itm.impl.ItmUtils;
  22 import org.opendaylight.genius.mdsalutil.*;
  23 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeMplsOverGre;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeVxlan;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.ExternalTunnelList;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.TunnelList;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfo;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list.ExternalTunnel;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list.ExternalTunnelKey;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnel.list.InternalTunnel;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnel.list.InternalTunnelKey;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.DcGatewayIpList;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.TransportZones;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.dc.gateway.ip.list.DcGatewayIp;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.dc.gateway.ip.list.DcGatewayIpBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.dc.gateway.ip.list.DcGatewayIpKey;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZone;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZoneKey;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.Subnets;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.SubnetsKey;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.subnets.DeviceVteps;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.subnets.DeviceVtepsBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.subnets.DeviceVtepsKey;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.*;
  50 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  51 import org.opendaylight.yangtools.yang.common.RpcError;
  52 import org.opendaylight.yangtools.yang.common.RpcResult;
  53 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  54 import org.slf4j.Logger;
  55 import org.slf4j.LoggerFactory;
  56
  57 import java.math.BigInteger;
  58 import java.util.ArrayList;
  59 import java.util.List;
  60 import java.util.concurrent.Future;
  61
  62 public class ItmManagerRpcService implements ItmRpcService {
  63
  64     private static final Logger LOG = LoggerFactory.getLogger(ItmManagerRpcService.class);
  65     DataBroker dataBroker;
  66     private IMdsalApiManager mdsalManager;
  67
  68
  69     public void setMdsalManager(IMdsalApiManager mdsalManager) {
  70         this.mdsalManager = mdsalManager;
  71     }
  72
  73     IdManagerService idManagerService;
  74
  75     public ItmManagerRpcService(DataBroker dataBroker, IdManagerService idManagerService) {
  76         this.dataBroker = dataBroker;
  77         this.idManagerService = idManagerService;
  78     }
  79
  80     @Override
  81     public Future<RpcResult<GetTunnelInterfaceNameOutput>> getTunnelInterfaceName(GetTunnelInterfaceNameInput input) {
  82         RpcResultBuilder<GetTunnelInterfaceNameOutput> resultBld = null;
  83         BigInteger sourceDpn = input.getSourceDpid() ;
  84         BigInteger destinationDpn = input.getDestinationDpid() ;
  85         InstanceIdentifier<InternalTunnel> path = InstanceIdentifier.create(
  86                 TunnelList.class)
  87                 .child(InternalTunnel.class, new InternalTunnelKey(destinationDpn, sourceDpn, input.getTunnelType()));
  88
  89         Optional<InternalTunnel> tnl = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, path, dataBroker);
  90
  91         if( tnl != null && tnl.isPresent())
  92         {
  93             InternalTunnel tunnel = tnl.get();
  94             GetTunnelInterfaceNameOutputBuilder output = new GetTunnelInterfaceNameOutputBuilder() ;
  95             output.setInterfaceName(tunnel.getTunnelInterfaceName()) ;
  96             resultBld = RpcResultBuilder.success();
  97             resultBld.withResult(output.build()) ;
  98         }else {
  99             resultBld = RpcResultBuilder.failed();
 100         }
 101
 102         return Futures.immediateFuture(resultBld.build());
 103     }
 104
 105
 106     @Override
 107     public Future<RpcResult<Void>> removeExternalTunnelEndpoint(
 108             RemoveExternalTunnelEndpointInput input) {
 109         //Ignore the Futures for now
 110         final SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 111         List<DPNTEPsInfo> meshedDpnList = ItmUtils.getTunnelMeshInfo(dataBroker) ;
 112         ItmExternalTunnelDeleteWorker.deleteTunnels(dataBroker, idManagerService,meshedDpnList , input.getDestinationIp(), input.getTunnelType());
 113         InstanceIdentifier<DcGatewayIp> extPath= InstanceIdentifier.builder(DcGatewayIpList.class).child(DcGatewayIp.class, new DcGatewayIpKey(input.getDestinationIp())).build();
 114         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 115         t.delete(LogicalDatastoreType.CONFIGURATION, extPath);
 116         ListenableFuture<Void> futureCheck = t.submit();
 117         Futures.addCallback(futureCheck, new FutureCallback<Void>() {
 118
 119             @Override public void onSuccess(Void aVoid) {
 120                 result.set(RpcResultBuilder.<Void>success().build());
 121             }
 122
 123             @Override public void onFailure(Throwable error) {
 124                 String msg = String.format("Unable to delete DcGatewayIp {} in datastore "+ input.getDestinationIp() + "and tunnel type " + input.getTunnelType());
 125                 LOG.error("Unable to delete DcGatewayIp {} in datastore for ip "+ input.getDestinationIp() + "and tunnel type " + input.getTunnelType());
 126                 result.set(RpcResultBuilder.<Void>failed()
 127                         .withError(RpcError.ErrorType.APPLICATION, msg, error).build());
 128             }
 129         });
 130         return result;
 131     }
 132
 133     @Override
 134     public Future<RpcResult<Void>> removeExternalTunnelFromDpns(
 135             RemoveExternalTunnelFromDpnsInput input) {
 136         //Ignore the Futures for now
 137         final SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 138         List<DPNTEPsInfo> cfgDpnList = ItmUtils.getDPNTEPListFromDPNId(dataBroker, input.getDpnId()) ;
 139         ItmExternalTunnelDeleteWorker.deleteTunnels(dataBroker, idManagerService, cfgDpnList, input.getDestinationIp(), input.getTunnelType());
 140         result.set(RpcResultBuilder.<Void>success().build());
 141         return result;
 142     }
 143
 144     @Override
 145     public Future<RpcResult<Void>> buildExternalTunnelFromDpns(
 146             BuildExternalTunnelFromDpnsInput input) {
 147         //Ignore the Futures for now
 148         final SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 149         List<ListenableFuture<Void>> extTunnelResultList = ItmExternalTunnelAddWorker.buildTunnelsFromDpnToExternalEndPoint(dataBroker, idManagerService,input.getDpnId(), input.getDestinationIp(), input.getTunnelType());
 150         for (ListenableFuture<Void> extTunnelResult : extTunnelResultList) {
 151             Futures.addCallback(extTunnelResult, new FutureCallback<Void>(){
 152
 153                 @Override
 154                 public void onSuccess(Void aVoid) {
 155                     result.set(RpcResultBuilder.<Void>success().build());
 156                 }
 157
 158                 @Override
 159                 public void onFailure(Throwable error) {
 160                     String msg = String.format("Unable to create ext tunnel");
 161                     LOG.error("create ext tunnel failed. {}. {}", msg, error);
 162                     result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, msg, error).build());
 163                 }
 164             });
 165         }
 166         result.set(RpcResultBuilder.<Void>success().build());
 167         return result;
 168     }
 169
 170     @Override
 171     public Future<RpcResult<Void>> addExternalTunnelEndpoint(
 172             AddExternalTunnelEndpointInput input) {
 173         // TODO Auto-generated method stub
 174
 175         //Ignore the Futures for now
 176         final SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 177         List<DPNTEPsInfo> meshedDpnList = ItmUtils.getTunnelMeshInfo(dataBroker) ;
 178         ItmExternalTunnelAddWorker.buildTunnelsToExternalEndPoint(dataBroker, idManagerService,meshedDpnList, input.getDestinationIp(), input.getTunnelType()) ;InstanceIdentifier<DcGatewayIp> extPath= InstanceIdentifier.builder(DcGatewayIpList.class).child(DcGatewayIp.class, new DcGatewayIpKey(input.getDestinationIp())).build();
 179         DcGatewayIp dcGatewayIp = new DcGatewayIpBuilder().setIpAddress(input.getDestinationIp()).setTunnnelType(input.getTunnelType()).build();
 180         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 181         t.put(LogicalDatastoreType.CONFIGURATION, extPath,dcGatewayIp, true);
 182         ListenableFuture<Void> futureCheck = t.submit();
 183         Futures.addCallback(futureCheck, new FutureCallback<Void>() {
 184
 185             @Override public void onSuccess(Void aVoid) {
 186                 result.set(RpcResultBuilder.<Void>success().build());
 187             }
 188
 189             @Override public void onFailure(Throwable error) {
 190                 String msg = String.format("Unable to create DcGatewayIp {} in datastore for ip "+ input.getDestinationIp() + "and tunnel type " + input.getTunnelType());
 191                 LOG.error("Unable to create DcGatewayIp {} in datastore for ip "+ input.getDestinationIp() + "and tunnel type " + input.getTunnelType());
 192                 result.set(RpcResultBuilder.<Void>failed()
 193                         .withError(RpcError.ErrorType.APPLICATION, msg, error).build());
 194             }
 195         });
 196         return result;
 197     }
 198
 199     @Override
 200     public Future<RpcResult<GetExternalTunnelInterfaceNameOutput>> getExternalTunnelInterfaceName(
 201             GetExternalTunnelInterfaceNameInput input) {
 202         final SettableFuture<RpcResult<GetExternalTunnelInterfaceNameOutput>> result = SettableFuture.create() ;
 203         RpcResultBuilder<GetExternalTunnelInterfaceNameOutput> resultBld;
 204         String sourceNode = input.getSourceNode();
 205         String dstNode = input.getDestinationNode();
 206         InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 207                 ExternalTunnelList.class)
 208                 .child(ExternalTunnel.class, new ExternalTunnelKey(dstNode, sourceNode, input.getTunnelType()));
 209
 210         Optional<ExternalTunnel> ext = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, path, dataBroker);
 211
 212         if( ext != null && ext.isPresent())
 213         {
 214             ExternalTunnel exTunnel = ext.get();
 215             GetExternalTunnelInterfaceNameOutputBuilder output = new GetExternalTunnelInterfaceNameOutputBuilder() ;
 216             output.setInterfaceName(exTunnel.getTunnelInterfaceName()) ;
 217             resultBld = RpcResultBuilder.success();
 218             resultBld.withResult(output.build()) ;
 219         }else {
 220             resultBld = RpcResultBuilder.failed();
 221         }
 222
 223         return Futures.immediateFuture(resultBld.build());
 224     }
 225
 226     @Override
 227     public Future<RpcResult<java.lang.Void>> createTerminatingServiceActions(final CreateTerminatingServiceActionsInput input) {
 228         LOG.info("create terminatingServiceAction on DpnId = {} for service id {} and instructions {}", input.getDpnId() , input.getServiceId(), input.getInstruction());
 229         final SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 230         int serviceId = input.getServiceId() ;
 231         List<MatchInfo> mkMatches = getTunnelMatchesForServiceId(serviceId);
 232         byte[] vxLANHeader = new byte[] {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 233         // Flags Byte
 234         byte Flags = (byte) 0x08;
 235         vxLANHeader[0] = Flags;
 236
 237         // Extract the serviceId details and imprint on the VxLAN Header
 238         vxLANHeader[4] = (byte) (serviceId >> 16);
 239         vxLANHeader[5] = (byte) (serviceId >> 8);
 240         vxLANHeader[6] = (byte) (serviceId >> 0);
 241
 242         // Matching metadata
 243 //        mkMatches.add(new MatchInfo(MatchFieldType.tunnel_id, new BigInteger[] {
 244 //                new BigInteger(1, vxLANHeader),
 245 //                MetaDataUtil.METADA_MASK_VALID_TUNNEL_ID_BIT_AND_TUNNEL_ID }));
 246
 247         Flow terminatingServiceTableFlow = MDSALUtil.buildFlowNew(NwConstants.INTERNAL_TUNNEL_TABLE,
 248                 getFlowRef(NwConstants.INTERNAL_TUNNEL_TABLE,serviceId), 5, String.format("%s:%d","ITM Flow Entry ",serviceId),
 249                 0, 0, ITMConstants.COOKIE_ITM.add(BigInteger.valueOf(serviceId)),mkMatches, input.getInstruction());
 250
 251         ListenableFuture<Void> installFlowResult = mdsalManager.installFlow(input.getDpnId(), terminatingServiceTableFlow);
 252         Futures.addCallback(installFlowResult, new FutureCallback<Void>(){
 253
 254             @Override
 255             public void onSuccess(Void aVoid) {
 256                 result.set(RpcResultBuilder.<Void>success().build());
 257             }
 258
 259             @Override
 260             public void onFailure(Throwable error) {
 261                 String msg = String.format("Unable to install terminating service flow for %s", input.getDpnId());
 262                 LOG.error("create terminating service actions failed. {}. {}", msg, error);
 263                 result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, msg, error).build());
 264             }
 265         });
 266         // result.set(RpcResultBuilder.<Void>success().build());
 267         return result;
 268     }
 269
 270     @Override
 271     public Future<RpcResult<java.lang.Void>> removeTerminatingServiceActions(final RemoveTerminatingServiceActionsInput input) {
 272         LOG.info("remove terminatingServiceActions called with DpnId = {} and serviceId = {}", input.getDpnId(), input.getServiceId());
 273         final SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 274         Flow terminatingServiceTableFlow = MDSALUtil.buildFlowNew(NwConstants.INTERNAL_TUNNEL_TABLE,
 275                 getFlowRef(NwConstants.INTERNAL_TUNNEL_TABLE,input.getServiceId()), 5, String.format("%s:%d","ITM Flow Entry ",input.getServiceId()),
 276                 0, 0, ITMConstants.COOKIE_ITM.add(BigInteger.valueOf(input.getServiceId())),getTunnelMatchesForServiceId(input.getServiceId()), null );
 277
 278         ListenableFuture<Void> installFlowResult = mdsalManager.removeFlow(input.getDpnId(), terminatingServiceTableFlow);
 279         Futures.addCallback(installFlowResult, new FutureCallback<Void>(){
 280
 281             @Override
 282             public void onSuccess(Void aVoid) {
 283                 result.set(RpcResultBuilder.<Void>success().build());
 284             }
 285
 286             @Override
 287             public void onFailure(Throwable error) {
 288                 String msg = String.format("Unable to remove terminating service flow for %s", input.getDpnId());
 289                 LOG.error("remove terminating service actions failed. {}. {}", msg, error);
 290                 result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, msg, error).build());
 291             }
 292         });
 293         //result.set(RpcResultBuilder.<Void>success().build());
 294
 295         return result ;
 296     }
 297
 298
 299     public List<MatchInfo> getTunnelMatchesForServiceId(int serviceId) {
 300         List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
 301         byte[] vxLANHeader = new byte[]{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 302
 303         // Flags Byte
 304         byte Flags = (byte) 0x08;
 305         vxLANHeader[0] = Flags;
 306
 307         // Extract the serviceId details and imprint on the VxLAN Header
 308         vxLANHeader[4] = (byte) (serviceId >> 16);
 309         vxLANHeader[5] = (byte) (serviceId >> 8);
 310         vxLANHeader[6] = (byte) (serviceId >> 0);
 311
 312         // Matching metadata
 313         mkMatches.add(new MatchInfo(MatchFieldType.tunnel_id, new BigInteger[]{
 314                 BigInteger.valueOf(serviceId)}));
 315
 316         return mkMatches;
 317     }
 318
 319     private String getFlowRef(long termSvcTable, int svcId) {
 320         return new StringBuffer().append(termSvcTable).append(svcId).toString();
 321     }
 322
 323     @Override
 324     public Future<RpcResult<GetInternalOrExternalInterfaceNameOutput>> getInternalOrExternalInterfaceName(
 325             GetInternalOrExternalInterfaceNameInput input) {
 326         RpcResultBuilder<GetInternalOrExternalInterfaceNameOutput> resultBld = RpcResultBuilder.failed();
 327         BigInteger srcDpn = input.getSourceDpid() ;
 328         String srcNode = srcDpn.toString();
 329         IpAddress dstIp = input.getDestinationIp() ;
 330         InstanceIdentifier<ExternalTunnel> path1 = InstanceIdentifier.create(
 331                 ExternalTunnelList.class)
 332                 .child(ExternalTunnel.class, new ExternalTunnelKey(String.valueOf(dstIp), srcDpn.toString(), TunnelTypeMplsOverGre.class));
 333
 334         Optional<ExternalTunnel> ext = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, path1, dataBroker);
 335
 336         if( ext != null && ext.isPresent())
 337         {
 338             ExternalTunnel extTunnel = ext.get();
 339             GetInternalOrExternalInterfaceNameOutputBuilder output = new GetInternalOrExternalInterfaceNameOutputBuilder().setInterfaceName(extTunnel.getTunnelInterfaceName() );
 340             resultBld = RpcResultBuilder.success();
 341             resultBld.withResult(output.build()) ;
 342         } else {
 343             List<DPNTEPsInfo> meshedDpnList = ItmUtils.getTunnelMeshInfo(dataBroker);
 344             // Look for external tunnels if not look for internal tunnel
 345             for (DPNTEPsInfo teps : meshedDpnList) {
 346                 TunnelEndPoints firstEndPt = teps.getTunnelEndPoints().get(0);
 347                 if (dstIp.equals(firstEndPt.getIpAddress())) {
 348                     InstanceIdentifier<InternalTunnel> path = InstanceIdentifier.create(
 349                             TunnelList.class)
 350                             .child(InternalTunnel.class, new InternalTunnelKey(teps.getDPNID(), srcDpn, input.getTunnelType()));
 351
 352                     Optional<InternalTunnel>
 353                             tnl =
 354                             ItmUtils.read(LogicalDatastoreType.CONFIGURATION, path, dataBroker);
 355                     if (tnl != null && tnl.isPresent()) {
 356                         InternalTunnel tunnel = tnl.get();
 357                         GetInternalOrExternalInterfaceNameOutputBuilder
 358                                 output =
 359                                 new GetInternalOrExternalInterfaceNameOutputBuilder()
 360                                         .setInterfaceName(tunnel.getTunnelInterfaceName());
 361                         resultBld = RpcResultBuilder.success();
 362                         resultBld.withResult(output.build());
 363                         break;
 364                     }
 365                 }
 366             }
 367         }
 368         return Futures.immediateFuture(resultBld.build());
 369     }
 370
 371     @Override
 372     public Future<RpcResult<java.lang.Void>> deleteL2GwDevice(DeleteL2GwDeviceInput input) {
 373         final SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 374         boolean foundVxlanTzone = false;
 375         try {
 376             final IpAddress hwIp = input.getIpAddress();
 377             final String node_id = input.getNodeId();
 378             InstanceIdentifier<TransportZones> containerPath = InstanceIdentifier.create(TransportZones.class);
 379             Optional<TransportZones> tZonesOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, containerPath, dataBroker);
 380             if (tZonesOptional.isPresent()) {
 381                 TransportZones tZones = tZonesOptional.get();
 382                 if (tZones.getTransportZone() == null || tZones.getTransportZone().isEmpty()) {
 383                     LOG.error("No teps configured");
 384                     result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, "No teps Configured").build());
 385                     return result;
 386                 }
 387                 for (TransportZone tzone : tZones.getTransportZone()) {
 388                     if (!(tzone.getTunnelType().equals(TunnelTypeVxlan.class)))
 389                         continue;
 390                     foundVxlanTzone = true;
 391                     String transportZone = tzone.getZoneName();
 392                     if (tzone.getSubnets() == null || tzone.getSubnets().isEmpty()) {
 393                         result.set(RpcResultBuilder.<Void>failed()
 394                                 .withError(RpcError.ErrorType.APPLICATION, "No subnets Configured").build());
 395                         return result;
 396                     }
 397                     SubnetsKey subnetsKey = tzone.getSubnets().get(0).getKey();
 398                     DeviceVtepsKey deviceVtepKey = new DeviceVtepsKey(hwIp, node_id);
 399                     InstanceIdentifier<DeviceVteps> path = InstanceIdentifier.builder(TransportZones.class)
 400                             .child(TransportZone.class, new TransportZoneKey(transportZone))
 401                             .child(Subnets.class, subnetsKey).child(DeviceVteps.class, deviceVtepKey)
 402                             .build();
 403                     WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 404                     //TO DO: add retry if it fails
 405
 406                     t.delete(LogicalDatastoreType.CONFIGURATION, path);
 407
 408                     ListenableFuture<Void> futureCheck = t.submit();
 409                     Futures.addCallback(futureCheck, new FutureCallback<Void>() {
 410
 411                         @Override public void onSuccess(Void aVoid) {
 412                             result.set(RpcResultBuilder.<Void>success().build());
 413                         }
 414
 415                         @Override public void onFailure(Throwable error) {
 416                             String msg = String.format("Unable to delete HwVtep {} from datastore", node_id);
 417                             LOG.error("Unable to delete HwVtep {}, {} from datastore", node_id, hwIp);
 418                             result.set(RpcResultBuilder.<Void>failed()
 419                                     .withError(RpcError.ErrorType.APPLICATION, msg, error).build());
 420                         }
 421                     });
 422
 423                 }
 424             }
 425             else {
 426                 result.set(RpcResultBuilder.<Void>failed()
 427                         .withError(RpcError.ErrorType.APPLICATION, "No TransportZones configured").build());
 428                 return result;
 429             }
 430
 431             if(foundVxlanTzone == false)
 432                 result.set(RpcResultBuilder.<Void>failed()
 433                         .withError(RpcError.ErrorType.APPLICATION, "No VxLan TransportZones configured")
 434                         .build());
 435
 436             return result;
 437         } catch (Exception e) {
 438             RpcResultBuilder<java.lang.Void> resultBuilder = RpcResultBuilder.<Void>failed().
 439                     withError(RpcError.ErrorType.APPLICATION, "Deleting l2 Gateway to DS Failed", e);
 440             return Futures.immediateFuture(resultBuilder.build());
 441         }
 442     }
 443
 444     @Override
 445     public Future<RpcResult<java.lang.Void>> addL2GwDevice(AddL2GwDeviceInput input) {
 446
 447         final SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 448         boolean foundVxlanTzone = false;
 449         try {
 450             final IpAddress hwIp = input.getIpAddress();
 451             final String node_id = input.getNodeId();
 452             //iterate through all transport zones and put TORs under vxlan
 453             //if no vxlan tzone is cnfigured, return an error.
 454             InstanceIdentifier<TransportZones> containerPath = InstanceIdentifier.create(TransportZones.class);
 455             Optional<TransportZones> tZonesOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, containerPath,
 456                     dataBroker);
 457             if (tZonesOptional.isPresent()) {
 458                 TransportZones tZones = tZonesOptional.get();
 459                 if (tZones.getTransportZone() == null || tZones.getTransportZone().isEmpty()) {
 460                     LOG.error("No transportZone configured");
 461                     result.set(RpcResultBuilder.<Void>failed()
 462                             .withError(RpcError.ErrorType.APPLICATION, "No transportZone Configured").build());
 463                     return result;
 464                 }
 465                 for (TransportZone tzone : tZones.getTransportZone()) {
 466                     if (!(tzone.getTunnelType().equals(TunnelTypeVxlan.class)))
 467                         continue;
 468                     foundVxlanTzone = true;
 469                     String transportZone = tzone.getZoneName();
 470                     if (tzone.getSubnets() == null || tzone.getSubnets().isEmpty()) {
 471                         result.set(RpcResultBuilder.<Void>failed()
 472                                 .withError(RpcError.ErrorType.APPLICATION, "No subnets Configured").build());
 473                         return result;
 474                     }
 475                     SubnetsKey subnetsKey = tzone.getSubnets().get(0).getKey();
 476                     DeviceVtepsKey deviceVtepKey = new DeviceVtepsKey(hwIp, node_id);
 477                     InstanceIdentifier<DeviceVteps> path = InstanceIdentifier.builder(TransportZones.class)
 478                             .child(TransportZone.class, new TransportZoneKey(transportZone))
 479                             .child(Subnets.class, subnetsKey).child(DeviceVteps.class, deviceVtepKey)
 480                             .build();
 481                     DeviceVteps deviceVtep = new DeviceVtepsBuilder().setKey(deviceVtepKey).setIpAddress(hwIp)
 482                             .setNodeId(node_id).setTopologyId(input.getTopologyId()).build();
 483                     WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 484                     //TO DO: add retry if it fails
 485                     t.put(LogicalDatastoreType.CONFIGURATION, path, deviceVtep, true);
 486
 487                     ListenableFuture<Void> futureCheck = t.submit();
 488                     Futures.addCallback(futureCheck, new FutureCallback<Void>() {
 489
 490                         @Override public void onSuccess(Void aVoid) {
 491                             result.set(RpcResultBuilder.<Void>success().build());
 492                         }
 493
 494                         @Override public void onFailure(Throwable error) {
 495                             String msg = String.format("Unable to write HwVtep {} to datastore", node_id);
 496                             LOG.error("Unable to write HwVtep {}, {} to datastore", node_id, hwIp);
 497                             result.set(RpcResultBuilder.<Void>failed()
 498                                     .withError(RpcError.ErrorType.APPLICATION, msg, error).build());
 499                         }
 500                     });
 501
 502                 }
 503             }
 504             else {
 505                 result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, "No TransportZones configured").build());
 506                 return result;
 507             }
 508
 509             if(foundVxlanTzone == false)
 510                 result.set(RpcResultBuilder.<Void>failed()
 511                         .withError(RpcError.ErrorType.APPLICATION, "No VxLan TransportZones configured")
 512                         .build());
 513
 514             return result;
 515         } catch (Exception e) {
 516             RpcResultBuilder<java.lang.Void> resultBuilder = RpcResultBuilder.<Void>failed().
 517                     withError(RpcError.ErrorType.APPLICATION, "Adding l2 Gateway to DS Failed", e);
 518             return Futures.immediateFuture(resultBuilder.build());
 519         }
 520     }
 521
 522     @Override
 523     public Future<RpcResult<java.lang.Void>> addL2GwMlagDevice(AddL2GwMlagDeviceInput input)
 524     {
 525
 526         final SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 527         try {
 528             final IpAddress hwIp = input.getIpAddress();
 529             final List<String> node_id = input.getNodeId();
 530             InstanceIdentifier<TransportZones> containerPath = InstanceIdentifier.create(TransportZones.class);
 531             Optional<TransportZones> tZonesOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, containerPath, dataBroker);
 532             if (tZonesOptional.isPresent()) {
 533                 TransportZones tZones = tZonesOptional.get();
 534                 if (tZones.getTransportZone() == null || tZones.getTransportZone().isEmpty()) {
 535                     LOG.error("No teps configured");
 536                     result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, "No teps Configured").build());
 537                     return result;
 538                 }
 539                 String transportZone = tZones.getTransportZone().get(0).getZoneName();
 540                 if (tZones.getTransportZone().get(0).getSubnets() == null || tZones.getTransportZone().get(0).getSubnets().isEmpty()) {
 541                     result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, "No subnets Configured").build());
 542                     return result;
 543                 }
 544                 SubnetsKey subnetsKey = tZones.getTransportZone().get(0).getSubnets().get(0).getKey();
 545                 DeviceVtepsKey deviceVtepKey = new DeviceVtepsKey(hwIp, node_id.get(0));
 546                 InstanceIdentifier<DeviceVteps> path =
 547                         InstanceIdentifier.builder(TransportZones.class)
 548                                 .child(TransportZone.class, new TransportZoneKey(transportZone))
 549                                 .child(Subnets.class, subnetsKey).child(DeviceVteps.class, deviceVtepKey).build();
 550                 DeviceVteps deviceVtep = new DeviceVtepsBuilder().setKey(deviceVtepKey).setIpAddress(hwIp).setNodeId(node_id.get(0)).setTopologyId(input.getTopologyId()).build();
 551                 WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 552                 //TO DO: add retry if it fails
 553                 LOG.trace("writing hWvtep{}",deviceVtep);
 554                 t.put(LogicalDatastoreType.CONFIGURATION, path, deviceVtep, true);
 555
 556                 if(node_id.size() == 2) {
 557                     LOG.trace("second node-id {}",node_id.get(1));
 558                     DeviceVtepsKey deviceVtepKey2 = new DeviceVtepsKey(hwIp, node_id.get(1));
 559                     InstanceIdentifier<DeviceVteps> path2 = InstanceIdentifier.builder(TransportZones.class)
 560                             .child(TransportZone.class, new TransportZoneKey(transportZone))
 561                             .child(Subnets.class, subnetsKey).child(DeviceVteps.class, deviceVtepKey2).build();
 562                     DeviceVteps deviceVtep2 = new DeviceVtepsBuilder().setKey(deviceVtepKey2).setIpAddress(hwIp).setNodeId(node_id.get(1))
 563                             .setTopologyId(input.getTopologyId()).build();
 564                     //TO DO: add retry if it fails
 565                     LOG.trace("writing {}",deviceVtep2);
 566                     t.put(LogicalDatastoreType.CONFIGURATION, path2, deviceVtep2, true);
 567                 }ListenableFuture<Void> futureCheck = t.submit();
 568                 Futures.addCallback(futureCheck, new FutureCallback<Void>() {
 569
 570                     @Override
 571                     public void onSuccess(Void aVoid) {
 572                         result.set(RpcResultBuilder.<Void>success().build());
 573                     }
 574
 575                     @Override
 576                     public void onFailure(Throwable error) {
 577                         String msg = String.format("Unable to write HwVtep {} to datastore", node_id);
 578                         LOG.error("Unable to write HwVtep {}, {} to datastore", node_id , hwIp);
 579                         result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, msg, error).build());
 580                     }
 581                 });
 582             }
 583             return result;
 584         } catch (Exception e) {
 585             RpcResultBuilder<java.lang.Void> resultBuilder = RpcResultBuilder.<Void>failed().
 586                     withError(RpcError.ErrorType.APPLICATION, "Adding l2 Gateway to DS Failed", e);
 587             return Futures.immediateFuture(resultBuilder.build());
 588         }
 589     }
 590     @Override
 591     public Future<RpcResult<Void>> deleteL2GwMlagDevice(DeleteL2GwMlagDeviceInput input) {
 592
 593         final SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 594         try {
 595             final IpAddress hwIp = input.getIpAddress();
 596             final List<String> node_id = input.getNodeId();
 597             InstanceIdentifier<TransportZones> containerPath = InstanceIdentifier.create(TransportZones.class);
 598             Optional<TransportZones> tZonesOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, containerPath, dataBroker);
 599             if (tZonesOptional.isPresent()) {
 600                 TransportZones tZones = tZonesOptional.get();
 601                 if (tZones.getTransportZone() == null || tZones.getTransportZone().isEmpty()) {
 602                     LOG.error("No teps configured");
 603                     result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, "No teps Configured").build());
 604                     return result;
 605                 }
 606                 String transportZone = tZones.getTransportZone().get(0).getZoneName();
 607                 if (tZones.getTransportZone().get(0).getSubnets() == null || tZones.getTransportZone().get(0).getSubnets().isEmpty()) {
 608                     result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, "No subnets Configured").build());
 609                     return result;
 610                 }
 611                 SubnetsKey subnetsKey = tZones.getTransportZone().get(0).getSubnets().get(0).getKey();
 612                 DeviceVtepsKey deviceVtepKey = new DeviceVtepsKey(hwIp, node_id.get(0));
 613                 InstanceIdentifier<DeviceVteps> path =
 614                         InstanceIdentifier.builder(TransportZones.class)
 615                                 .child(TransportZone.class, new TransportZoneKey(transportZone))
 616                                 .child(Subnets.class, subnetsKey).child(DeviceVteps.class,
 617                                 deviceVtepKey).build();
 618                 WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 619                 //TO DO: add retry if it fails
 620                 t.delete(LogicalDatastoreType.CONFIGURATION, path);
 621
 622                 DeviceVtepsKey deviceVtepKey2 = new DeviceVtepsKey(hwIp, node_id.get(1));
 623                 InstanceIdentifier<DeviceVteps> path2 =
 624                         InstanceIdentifier.builder(TransportZones.class)
 625                                 .child(TransportZone.class, new TransportZoneKey(transportZone))
 626                                 .child(Subnets.class, subnetsKey).child(DeviceVteps.class,
 627                                 deviceVtepKey2).build();
 628                 //TO DO: add retry if it fails
 629                 t.delete(LogicalDatastoreType.CONFIGURATION, path2);
 630
 631                 ListenableFuture<Void> futureCheck = t.submit();
 632                 Futures.addCallback(futureCheck, new FutureCallback<Void>() {
 633
 634                     @Override
 635                     public void onSuccess(Void aVoid) {
 636                         result.set(RpcResultBuilder.<Void>success().build());
 637                     }
 638
 639                     @Override
 640                     public void onFailure(Throwable error) {
 641                         String msg = String.format("Unable to write HwVtep {} to datastore", node_id);
 642                         LOG.error("Unable to write HwVtep {}, {} to datastore", node_id , hwIp);
 643                         result.set(RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, msg, error).build());
 644                     }
 645                 });
 646             }
 647             return result;
 648         } catch (Exception e) {
 649             RpcResultBuilder<java.lang.Void> resultBuilder = RpcResultBuilder.<Void>failed().
 650                     withError(RpcError.ErrorType.APPLICATION, "Deleting l2 Gateway to DS Failed", e);
 651             return Futures.immediateFuture(resultBuilder.build());
 652         }
 653     }
 654
 655     @Override
 656     public Future<RpcResult<IsTunnelInternalOrExternalOutput>> isTunnelInternalOrExternal(
 657             IsTunnelInternalOrExternalInput input) {
 658         RpcResultBuilder<IsTunnelInternalOrExternalOutput> resultBld;
 659         String tunIfName = input.getTunnelInterfaceName();
 660         long tunVal = 0;
 661         IsTunnelInternalOrExternalOutputBuilder output = new IsTunnelInternalOrExternalOutputBuilder().setTunnelType(tunVal);
 662
 663         if(ItmUtils.itmCache.getInternalTunnel(tunIfName) != null) {
 664             tunVal = 1;
 665         } else if (ItmUtils.itmCache.getExternalTunnel(tunIfName) != null) {
 666             tunVal = 2;
 667         }
 668         output.setTunnelType(tunVal);
 669         resultBld = RpcResultBuilder.success();
 670         resultBld.withResult(output.build());
 671         return Futures.immediateFuture(resultBld.build());
 672     }
 673
 674 }