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

   1 /*
   2  * Copyright (c) 2016, 2017 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.confighelpers;
   9
  10 import static java.util.Collections.singletonList;
  11 import static org.opendaylight.mdsal.binding.util.Datastore.CONFIGURATION;
  12
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import java.time.Duration;
  15 import java.util.Collection;
  16 import java.util.Collections;
  17 import java.util.HashMap;
  18 import java.util.List;
  19 import java.util.Map;
  20 import java.util.Objects;
  21 import java.util.Optional;
  22 import java.util.concurrent.Callable;
  23 import java.util.concurrent.ExecutionException;
  24 import org.opendaylight.genius.datastoreutils.listeners.DataTreeEventCallbackRegistrar;
  25 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  26 import org.opendaylight.genius.itm.cache.OfEndPointCache;
  27 import org.opendaylight.genius.itm.cache.OvsBridgeRefEntryCache;
  28 import org.opendaylight.genius.itm.globals.ITMConstants;
  29 import org.opendaylight.genius.itm.impl.ITMBatchingUtils;
  30 import org.opendaylight.genius.itm.impl.ItmUtils;
  31 import org.opendaylight.genius.itm.impl.TunnelMonitoringConfig;
  32 import org.opendaylight.genius.itm.itmdirecttunnels.renderer.ovs.utilities.DirectTunnelUtils;
  33 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  34 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  35 import org.opendaylight.mdsal.binding.api.DataBroker;
  36 import org.opendaylight.mdsal.binding.util.Datastore.Configuration;
  37 import org.opendaylight.mdsal.binding.util.ManagedNewTransactionRunner;
  38 import org.opendaylight.mdsal.binding.util.ManagedNewTransactionRunnerImpl;
  39 import org.opendaylight.mdsal.binding.util.TypedReadWriteTransaction;
  40 import org.opendaylight.mdsal.binding.util.TypedWriteTransaction;
  41 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  42 import org.opendaylight.mdsal.common.api.ReadFailedException;
  43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddressBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfTunnel;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.ParentRefs;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelMonitoringTypeBase;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelMonitoringTypeLldp;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeBase;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeLogicalGroup;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeVxlan;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.tunnel.optional.params.TunnelOptions;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.config.rev160406.ItmConfig;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.meta.rev171210.OvsBridgeRefInfo;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.meta.rev171210.ovs.bridge.ref.info.OvsBridgeRefEntry;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.meta.rev171210.ovs.bridge.ref.info.OvsBridgeRefEntryKey;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.DpnEndpoints;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.DpnEndpointsBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.DpnTepsState;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.DpnTepsStateBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.TunnelList;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfo;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfoBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfoKey;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.teps.state.DpnsTeps;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.teps.state.DpnsTepsBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.teps.state.DpnsTepsKey;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.teps.state.dpns.teps.RemoteDpns;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.teps.state.dpns.teps.RemoteDpnsBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.teps.state.dpns.teps.RemoteDpnsKey;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnel.list.InternalTunnel;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnel.list.InternalTunnelKey;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  76 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  77 import org.opendaylight.yangtools.yang.common.OperationFailedException;
  78 import org.opendaylight.yangtools.yang.common.Uint16;
  79 import org.opendaylight.yangtools.yang.common.Uint64;
  80 import org.slf4j.Logger;
  81 import org.slf4j.LoggerFactory;
  82
  83 public final class ItmInternalTunnelAddWorker {
  84
  85     private static final Logger LOG = LoggerFactory.getLogger(ItmInternalTunnelAddWorker.class) ;
  86
  87     private final ItmConfig itmCfg;
  88     private final Integer monitorInterval;
  89     private final boolean isTunnelMonitoringEnabled;
  90     private final Class<? extends TunnelMonitoringTypeBase> monitorProtocol;
  91
  92     private final DataBroker dataBroker;
  93     private final ManagedNewTransactionRunner txRunner;
  94     private final JobCoordinator jobCoordinator;
  95     private final DirectTunnelUtils directTunnelUtils;
  96     private final IInterfaceManager interfaceManager;
  97     private final OvsBridgeRefEntryCache ovsBridgeRefEntryCache;
  98     private final OfEndPointCache ofEndPointCache;
  99     private final DataTreeEventCallbackRegistrar eventCallbacks;
 100
 101     public ItmInternalTunnelAddWorker(DataBroker dataBroker, JobCoordinator jobCoordinator,
 102                                       TunnelMonitoringConfig tunnelMonitoringConfig, ItmConfig itmCfg,
 103                                       DirectTunnelUtils directTunnelUtil,
 104                                       IInterfaceManager interfaceManager,
 105                                       OvsBridgeRefEntryCache ovsBridgeRefEntryCache,
 106                                       OfEndPointCache ofEndPointCache,
 107                                       DataTreeEventCallbackRegistrar eventCallbacks) {
 108         this.dataBroker = dataBroker;
 109         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
 110         this.jobCoordinator = jobCoordinator;
 111         this.itmCfg = itmCfg;
 112         this.directTunnelUtils = directTunnelUtil;
 113         this.interfaceManager = interfaceManager;
 114         this.ovsBridgeRefEntryCache = ovsBridgeRefEntryCache;
 115         this.ofEndPointCache = ofEndPointCache;
 116         this.eventCallbacks = eventCallbacks;
 117
 118         isTunnelMonitoringEnabled = tunnelMonitoringConfig.isTunnelMonitoringEnabled();
 119         monitorProtocol = tunnelMonitoringConfig.getMonitorProtocol();
 120         monitorInterval = tunnelMonitoringConfig.getMonitorInterval();
 121     }
 122
 123     public List<? extends ListenableFuture<?>> buildAllTunnels(IMdsalApiManager mdsalManager,
 124                                                                List<DPNTEPsInfo> cfgdDpnList,
 125                                                                Collection<DPNTEPsInfo> meshedDpnList) {
 126         LOG.trace("Building tunnels with DPN List {} " , cfgdDpnList);
 127         if (null == cfgdDpnList || cfgdDpnList.isEmpty()) {
 128             LOG.error(" Build Tunnels was invoked with empty list");
 129             return Collections.emptyList();
 130         }
 131
 132         return Collections.singletonList(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, tx -> {
 133             for (DPNTEPsInfo dpn : cfgdDpnList) {
 134                 //#####if dpn is not in meshedDpnList
 135                 buildTunnelFrom(tx, dpn, meshedDpnList, mdsalManager);
 136                 if (meshedDpnList != null) {
 137                     meshedDpnList.add(dpn);
 138                 }
 139                 // Update the config datastore -- FIXME -- Error Handling
 140                 updateDpnTepInfoToConfig(tx, dpn, directTunnelUtils);
 141             }
 142         }));
 143     }
 144
 145     private static void updateDpnTepInfoToConfig(TypedWriteTransaction<Configuration> tx, DPNTEPsInfo dpn,
 146         DirectTunnelUtils directTunnelUtils) throws ExecutionException, InterruptedException, OperationFailedException {
 147         LOG.debug("Updating CONFIGURATION datastore with DPN {} ", dpn);
 148         InstanceIdentifier<DpnEndpoints> dep = InstanceIdentifier.create(DpnEndpoints.class) ;
 149         Map<DPNTEPsInfoKey, DPNTEPsInfo> dpnMap = new HashMap<>() ;
 150         DPNTEPsInfo info = new DPNTEPsInfoBuilder(dpn)
 151                 .setDstId(directTunnelUtils
 152                         .allocateId(ITMConstants.ITM_IDPOOL_NAME, dpn.getDPNID().toString())).build();
 153         dpnMap.put(info.key(), info);
 154         DpnEndpoints tnlBuilder = new DpnEndpointsBuilder().setDPNTEPsInfo(dpnMap).build() ;
 155         tx.merge(dep, tnlBuilder);
 156     }
 157
 158     private void buildTunnelFrom(TypedReadWriteTransaction<Configuration> tx, DPNTEPsInfo srcDpn,
 159         Collection<DPNTEPsInfo> meshedDpnList, IMdsalApiManager mdsalManager)
 160         throws ExecutionException, InterruptedException, OperationFailedException {
 161         LOG.trace("Building tunnels from DPN {} " , srcDpn);
 162         if (null == meshedDpnList || meshedDpnList.isEmpty()) {
 163             LOG.debug("No DPN in the mesh ");
 164             return ;
 165         }
 166         for (DPNTEPsInfo dstDpn: meshedDpnList) {
 167             if (!srcDpn.equals(dstDpn)) {
 168                 wireUpWithinTransportZone(tx, srcDpn, dstDpn, mdsalManager);
 169             }
 170         }
 171
 172     }
 173
 174     private void wireUpWithinTransportZone(TypedReadWriteTransaction<Configuration> tx, DPNTEPsInfo srcDpn,
 175         DPNTEPsInfo dstDpn, IMdsalApiManager mdsalManager)
 176         throws ExecutionException, InterruptedException, OperationFailedException {
 177         LOG.trace("Wiring up within Transport Zone for Dpns {}, {} " , srcDpn, dstDpn);
 178         List<TunnelEndPoints> srcEndPts = srcDpn.nonnullTunnelEndPoints();
 179         List<TunnelEndPoints> dstEndPts = dstDpn.nonnullTunnelEndPoints();
 180
 181         for (TunnelEndPoints srcte : srcEndPts) {
 182             for (TunnelEndPoints dstte : dstEndPts) {
 183                 // Compare the Transport zones
 184                 if (!Objects.equals(srcDpn.getDPNID(), dstDpn.getDPNID())) {
 185                     if (!ItmUtils.getIntersection(srcte.nonnullTzMembership(),
 186                             dstte.nonnullTzMembership()).isEmpty()) {
 187                         // wire them up
 188                         wireUpBidirectionalTunnel(tx, srcte, dstte, srcDpn.getDPNID(), dstDpn.getDPNID(), mdsalManager);
 189                         if (!ItmTunnelAggregationHelper.isTunnelAggregationEnabled()) {
 190                             // CHECK THIS -- Assumption -- One end point per Dpn per transport zone
 191                             break;
 192                         }
 193                     }
 194                 }
 195             }
 196         }
 197     }
 198
 199     private void wireUpBidirectionalTunnel(TypedReadWriteTransaction<Configuration> tx, TunnelEndPoints srcte,
 200             TunnelEndPoints dstte, Uint64 srcDpnId, Uint64 dstDpnId, IMdsalApiManager mdsalManager)
 201                     throws ExecutionException, InterruptedException, OperationFailedException {
 202         // Setup the flow for LLDP monitoring -- PUNT TO CONTROLLER
 203
 204         if (monitorProtocol.isAssignableFrom(TunnelMonitoringTypeLldp.class)) {
 205             ItmUtils.addTerminatingServiceTable(tx, srcDpnId, mdsalManager);
 206             ItmUtils.addTerminatingServiceTable(tx, dstDpnId, mdsalManager);
 207         }
 208         // Create the forward direction tunnel
 209         if (!wireUp(tx, srcte, dstte, srcDpnId, dstDpnId)) {
 210             LOG.error("Could not build tunnel between end points {}, {} " , srcte, dstte);
 211         }
 212
 213         // CHECK IF FORWARD IS NOT BUILT , REVERSE CAN BE BUILT
 214         // Create the tunnel for the reverse direction
 215         if (!wireUp(tx, dstte, srcte, dstDpnId, srcDpnId)) {
 216             LOG.error("Could not build tunnel between end points {}, {} " , dstte, srcte);
 217         }
 218     }
 219
 220     private boolean wireUp(TypedWriteTransaction<Configuration> tx, TunnelEndPoints srcte, TunnelEndPoints dstte,
 221             Uint64 srcDpnId, Uint64 dstDpnId)
 222                     throws ExecutionException, InterruptedException, OperationFailedException {
 223         // Wire Up logic
 224         LOG.trace("Wiring between source tunnel end points {}, destination tunnel end points {}", srcte, dstte);
 225         String interfaceName = srcte.getInterfaceName();
 226         Class<? extends TunnelTypeBase> tunType = srcte.getTunnelType();
 227         String tunTypeStr = srcte.getTunnelType().getName();
 228         // Form the trunk Interface Name
 229
 230         String trunkInterfaceName = ItmUtils.getTrunkInterfaceName(interfaceName,
 231                 srcte.getIpAddress().stringValue(), dstte.getIpAddress().stringValue(), tunTypeStr);
 232
 233         String parentInterfaceName = null;
 234         if (tunType.isAssignableFrom(TunnelTypeVxlan.class)) {
 235             parentInterfaceName = createLogicalGroupTunnel(srcDpnId, dstDpnId);
 236         }
 237         if (interfaceManager.isItmDirectTunnelsEnabled()) {
 238             createInternalDirectTunnels(srcte, dstte, srcDpnId, dstDpnId, tunType, trunkInterfaceName,
 239                     parentInterfaceName);
 240         } else {
 241             createTunnelInterface(srcte, dstte, srcDpnId, tunType, trunkInterfaceName, parentInterfaceName);
 242             // also update itm-state ds?
 243             createInternalTunnel(tx, srcDpnId, dstDpnId, tunType, trunkInterfaceName);
 244         }
 245         return true;
 246     }
 247
 248     private void createTunnelInterface(TunnelEndPoints srcte, TunnelEndPoints dstte, Uint64 srcDpnId,
 249             Class<? extends TunnelTypeBase> tunType, String trunkInterfaceName, String parentInterfaceName) {
 250         String gateway = srcte.getIpAddress().getIpv4Address() != null ? "0.0.0.0" : "::";
 251         IpAddress gatewayIpObj = IpAddressBuilder.getDefaultInstance(gateway);
 252         IpAddress gwyIpAddress = gatewayIpObj;
 253         LOG.debug(" Creating Trunk Interface with parameters trunk I/f Name - {}, parent I/f name - {}, "
 254                 + "source IP - {}, destination IP - {} gateway IP - {}",
 255                 trunkInterfaceName, srcte.getInterfaceName(), srcte.getIpAddress(), dstte.getIpAddress(), gwyIpAddress);
 256         boolean useOfTunnel = ItmUtils.falseIfNull(srcte.isOptionOfTunnel());
 257
 258         List<TunnelOptions> tunOptions = ItmUtils.buildTunnelOptions(srcte, itmCfg);
 259         Boolean isMonitorEnabled = !tunType.isAssignableFrom(TunnelTypeLogicalGroup.class) && isTunnelMonitoringEnabled;
 260         Interface iface = ItmUtils.buildTunnelInterface(srcDpnId, trunkInterfaceName,
 261                 trunkInterfaceDecription(ItmUtils.convertTunnelTypetoString(tunType)),
 262                 true, tunType, srcte.getIpAddress(), dstte.getIpAddress(), true,
 263                 isMonitorEnabled, monitorProtocol, monitorInterval, useOfTunnel, parentInterfaceName, tunOptions);
 264         LOG.debug(" Trunk Interface builder - {} ", iface);
 265         InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
 266         LOG.debug(" Trunk Interface Identifier - {} ", trunkIdentifier);
 267         LOG.trace(" Writing Trunk Interface to Config DS {}, {} ", trunkIdentifier, iface);
 268         ITMBatchingUtils.update(trunkIdentifier, iface, ITMBatchingUtils.EntityType.DEFAULT_CONFIG);
 269         ItmUtils.ITM_CACHE.addInterface(iface);
 270     }
 271
 272     private static String trunkInterfaceDecription(String type) {
 273         return type + " Trunk Interface";
 274     }
 275
 276     private static void createInternalTunnel(TypedWriteTransaction<Configuration> tx, Uint64 srcDpnId,
 277             Uint64 dstDpnId, Class<? extends TunnelTypeBase> tunType, String trunkInterfaceName) {
 278         InstanceIdentifier<InternalTunnel> path = InstanceIdentifier.create(TunnelList.class)
 279                 .child(InternalTunnel.class, new InternalTunnelKey(dstDpnId, srcDpnId, tunType));
 280         InternalTunnel tnl = ItmUtils.buildInternalTunnel(srcDpnId, dstDpnId, tunType, trunkInterfaceName);
 281         // Switching to individual transaction submit as batching latencies is causing ELAN failures.
 282         // Will revert when ELAN can handle this.
 283         // ITMBatchingUtils.update(path, tnl, ITMBatchingUtils.EntityType.DEFAULT_CONFIG);
 284         tx.mergeParentStructureMerge(path, tnl);
 285         ItmUtils.ITM_CACHE.addInternalTunnel(tnl);
 286     }
 287
 288     private String createLogicalGroupTunnel(Uint64 srcDpnId, Uint64 dstDpnId) {
 289         boolean tunnelAggregationEnabled = ItmTunnelAggregationHelper.isTunnelAggregationEnabled();
 290         if (!tunnelAggregationEnabled) {
 291             return null;
 292         }
 293         String logicTunnelGroupName = ItmUtils.getLogicalTunnelGroupName(srcDpnId, dstDpnId);
 294         ItmTunnelAggregationWorker addWorker =
 295                 new ItmTunnelAggregationWorker(logicTunnelGroupName, srcDpnId, dstDpnId, dataBroker);
 296         jobCoordinator.enqueueJob(logicTunnelGroupName, addWorker);
 297         return logicTunnelGroupName;
 298     }
 299
 300     private static class ItmTunnelAggregationWorker implements Callable<List<? extends ListenableFuture<?>>> {
 301
 302         private final String logicTunnelGroupName;
 303         private final Uint64 srcDpnId;
 304         private final Uint64 dstDpnId;
 305         private final ManagedNewTransactionRunner txRunner;
 306
 307         ItmTunnelAggregationWorker(String logicGroupName, Uint64 srcDpnId, Uint64 dstDpnId, DataBroker broker) {
 308             this.logicTunnelGroupName = logicGroupName;
 309             this.srcDpnId = srcDpnId;
 310             this.dstDpnId = dstDpnId;
 311             this.txRunner = new ManagedNewTransactionRunnerImpl(broker);
 312         }
 313
 314         @Override
 315         public List<? extends ListenableFuture<?>> call() {
 316             return singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, tx -> {
 317                 //The logical tunnel interface be created only when the first tunnel interface on each OVS is created
 318                 InternalTunnel tunnel = ItmUtils.ITM_CACHE.getInternalTunnel(logicTunnelGroupName);
 319                 if (tunnel == null) {
 320                     LOG.info("MULTIPLE_VxLAN_TUNNELS: add the logical tunnel group {} because a first tunnel"
 321                         + " interface on srcDpnId {} dstDpnId {} is created", logicTunnelGroupName, srcDpnId, dstDpnId);
 322                     createLogicalTunnelInterface(srcDpnId, TunnelTypeLogicalGroup.class, logicTunnelGroupName);
 323                     createInternalTunnel(tx, srcDpnId, dstDpnId, TunnelTypeLogicalGroup.class, logicTunnelGroupName);
 324                 } else {
 325                     LOG.debug("MULTIPLE_VxLAN_TUNNELS: not first tunnel on srcDpnId {} dstDpnId {}", srcDpnId,
 326                             dstDpnId);
 327                 }
 328             }));
 329         }
 330
 331         private static void createLogicalTunnelInterface(Uint64 srcDpnId,
 332                 Class<? extends TunnelTypeBase> tunType, String interfaceName) {
 333             Interface iface = ItmUtils.buildLogicalTunnelInterface(srcDpnId, interfaceName,
 334                     String.format("%s %s",ItmUtils.convertTunnelTypetoString(tunType), "Interface"), true);
 335             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(interfaceName);
 336             ITMBatchingUtils.update(trunkIdentifier, iface, ITMBatchingUtils.EntityType.DEFAULT_CONFIG);
 337             ItmUtils.ITM_CACHE.addInterface(iface);
 338         }
 339     }
 340
 341     private void createInternalDirectTunnels(TunnelEndPoints srcte, TunnelEndPoints dstte, Uint64 srcDpnId,
 342             Uint64 dstDpnId, Class<? extends TunnelTypeBase> tunType, String trunkInterfaceName,
 343             String parentInterfaceName) throws OperationFailedException {
 344         IpAddress gatewayIpObj = IpAddressBuilder.getDefaultInstance("0.0.0.0");
 345         IpAddress gwyIpAddress = gatewayIpObj;
 346         LOG.debug("Creating Trunk Interface with parameters trunk I/f Name - {}, parent I/f name - {}, source IP - {},"
 347                         + " destination IP - {} gateway IP - {}", trunkInterfaceName, parentInterfaceName,
 348                 srcte.getIpAddress(), dstte.getIpAddress(), gwyIpAddress) ;
 349
 350         //boolean useOfTunnel = itmCfg.isUseOfTunnels();
 351
 352         List<TunnelOptions> tunOptions = ItmUtils.buildTunnelOptions(srcte, itmCfg);
 353         Boolean isMonitorEnabled = !tunType.isAssignableFrom(TunnelTypeLogicalGroup.class) && isTunnelMonitoringEnabled;
 354         Interface iface = ItmUtils.buildTunnelInterface(srcDpnId, trunkInterfaceName,
 355                 trunkInterfaceDecription(ItmUtils.convertTunnelTypetoString(srcte.getTunnelType())),
 356                 true, tunType, srcte.getIpAddress(), dstte.getIpAddress(), true,
 357                 isMonitorEnabled, monitorProtocol, monitorInterval, false, parentInterfaceName, tunOptions);
 358         LOG.debug("Trunk Interface builder - {} ", iface);
 359
 360         final DpnTepsStateBuilder dpnTepsStateBuilder = new DpnTepsStateBuilder();
 361         final DpnsTepsBuilder dpnsTepsBuilder = new DpnsTepsBuilder();
 362         final Map<DpnsTepsKey, DpnsTeps> dpnTeps = new HashMap<>();
 363         final Map<RemoteDpnsKey, RemoteDpns> remoteDpns = new HashMap<>();
 364         dpnsTepsBuilder.withKey(new DpnsTepsKey(srcDpnId));
 365         dpnsTepsBuilder.setTunnelType(srcte.getTunnelType());
 366         dpnsTepsBuilder.setSourceDpnId(srcDpnId);
 367         RemoteDpnsBuilder remoteDpn = new RemoteDpnsBuilder();
 368         remoteDpn.withKey(new RemoteDpnsKey(dstDpnId));
 369         remoteDpn.setDestinationDpnId(dstDpnId);
 370         remoteDpn.setTunnelName(trunkInterfaceName);
 371         remoteDpn.setMonitoringEnabled(isTunnelMonitoringEnabled);
 372         remoteDpn.setMonitoringInterval(Uint16.valueOf(monitorInterval));
 373         remoteDpn.setInternal(true);
 374         remoteDpns.put(remoteDpn.key(),remoteDpn.build());
 375         dpnsTepsBuilder.setRemoteDpns(remoteDpns);
 376         dpnTeps.put(dpnsTepsBuilder.key(), dpnsTepsBuilder.build());
 377         dpnTepsStateBuilder.setDpnsTeps(dpnTeps);
 378         updateDpnTepInterfaceInfoToConfig(dpnTepsStateBuilder.build());
 379         addTunnelConfiguration(iface, iface.getName());
 380     }
 381
 382     private static void updateDpnTepInterfaceInfoToConfig(DpnTepsState dpnTeps) {
 383         LOG.debug("Updating CONFIGURATION datastore with DPN-Teps {} ", dpnTeps);
 384         InstanceIdentifier<DpnTepsState> dpnTepsII = InstanceIdentifier.create(DpnTepsState.class);
 385         ITMBatchingUtils.updateContainer(dpnTepsII, dpnTeps, ITMBatchingUtils.EntityType.DEFAULT_CONFIG);
 386     }
 387
 388     private void addTunnelConfiguration(Interface iface, String tunnelName)
 389             throws ReadFailedException {
 390         // ITM Direct Tunnels This transaction is not being used -- CHECK
 391         ParentRefs parentRefs = iface.augmentation(ParentRefs.class);
 392         if (parentRefs == null) {
 393             LOG.warn("ParentRefs for interface: {} Not Found. Creation of Tunnel OF-Port not supported"
 394                     + " when dpid not provided.", tunnelName);
 395             return;
 396         }
 397
 398         Uint64 dpId = parentRefs.getDatapathNodeIdentifier();
 399         if (dpId == null) {
 400             LOG.warn("dpid for interface: {} Not Found. No DPID provided. Creation of OF-Port not supported.",
 401                     iface.getName());
 402             return;
 403         }
 404         // create bridge on switch, if switch is connected
 405         LOG.info("adding tunnel port configuration for tunnelName: {}", tunnelName);
 406         LOG.debug("creating dpn tunnel mapping  for dpn: {} tunnelName: {}", dpId, tunnelName);
 407         Optional<OvsBridgeRefEntry> ovsBridgeRefEntry = ovsBridgeRefEntryCache.get(dpId);
 408         DirectTunnelUtils.createBridgeTunnelEntryInConfigDS(dpId, iface.getName());
 409         if (ovsBridgeRefEntry.isPresent()) {
 410             LOG.debug("creating bridge interface on dpn {}", dpId);
 411             InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid =
 412                     (InstanceIdentifier<OvsdbBridgeAugmentation>) ovsBridgeRefEntry.get()
 413                             .getOvsBridgeReference().getValue();
 414             LOG.debug("adding port to the bridge:{} tunnelName: {}", bridgeIid, tunnelName);
 415             addPortToBridge(bridgeIid, iface, tunnelName);
 416         } else {
 417             LOG.debug("Bridge not found. Registering Eventcallback for dpid {}", dpId);
 418
 419             InstanceIdentifier<OvsBridgeRefEntry> bridgeRefEntryFromDS =
 420                     InstanceIdentifier.builder(OvsBridgeRefInfo.class)
 421                             .child(OvsBridgeRefEntry.class, new OvsBridgeRefEntryKey(dpId)).build();
 422
 423             eventCallbacks.onAdd(LogicalDatastoreType.OPERATIONAL, bridgeRefEntryFromDS, (refEntryIid) -> {
 424                 addPortToBridgeOnCallback(iface, tunnelName, refEntryIid);
 425                 return DataTreeEventCallbackRegistrar.NextAction.UNREGISTER;
 426             }, Duration.ofMillis(5000), (id) -> {
 427                     try {
 428                         Optional<OvsBridgeRefEntry> ovsBridgeRefEntryOnCallback = ovsBridgeRefEntryCache.get(dpId);
 429                         InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIidOnCallback =
 430                                 (InstanceIdentifier<OvsdbBridgeAugmentation>) ovsBridgeRefEntryOnCallback.get()
 431                                         .getOvsBridgeReference().getValue();
 432                         addPortToBridge(bridgeIidOnCallback, iface, tunnelName);
 433                     }   catch (ReadFailedException e) {
 434                         LOG.error("Bridge not found in DS/cache for dpId {}", dpId);
 435                     }
 436                 });
 437         }
 438     }
 439
 440     private void addPortToBridge(InstanceIdentifier<?> bridgeIid, Interface iface, String portName) {
 441         IfTunnel ifTunnel = iface.augmentation(IfTunnel.class);
 442         if (ifTunnel != null) {
 443             directTunnelUtils.addTunnelPortToBridge(ifTunnel, bridgeIid, iface, portName);
 444         }
 445     }
 446
 447     private void addPortToBridgeOnCallback(Interface iface, String portName, OvsBridgeRefEntry bridgeRefEntry) {
 448         InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid =
 449                 (InstanceIdentifier<OvsdbBridgeAugmentation>) bridgeRefEntry.getOvsBridgeReference().getValue();
 450         addPortToBridge(bridgeIid, iface, portName);
 451     }
 452 }