vpnmanager/impl/src/main/java/org/opendaylight/netvirt/vpnmanager/populator/impl/L3vpnPopulator.java

   1 /*
   2  * Copyright (c) 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.netvirt.vpnmanager.populator.impl;
   9
  10 import static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
  11 import static org.opendaylight.infrautils.utils.concurrent.ListenableFutures.addErrorLogging;
  12
  13 import com.google.common.base.Preconditions;
  14 import java.util.Collections;
  15 import java.util.List;
  16 import java.util.Optional;
  17 import java.util.concurrent.ExecutionException;
  18 import java.util.concurrent.locks.ReentrantLock;
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
  21 import org.opendaylight.genius.infra.Datastore.Configuration;
  22 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  23 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  24 import org.opendaylight.genius.infra.TypedWriteTransaction;
  25 import org.opendaylight.genius.utils.JvmGlobalLocks;
  26 import org.opendaylight.mdsal.binding.api.DataBroker;
  27 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  28 import org.opendaylight.netvirt.bgpmanager.api.IBgpManager;
  29 import org.opendaylight.netvirt.fibmanager.api.FibHelper;
  30 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
  31 import org.opendaylight.netvirt.fibmanager.api.RouteOrigin;
  32 import org.opendaylight.netvirt.vpnmanager.VpnUtil;
  33 import org.opendaylight.netvirt.vpnmanager.populator.input.L3vpnInput;
  34 import org.opendaylight.netvirt.vpnmanager.populator.intfc.VpnPopulator;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.FibEntries;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.LabelRouteMap;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.SubnetRoute;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.SubnetRouteBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.VrfEntryBase;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTables;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTablesBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTablesKey;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.label.route.map.LabelRouteInfo;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.label.route.map.LabelRouteInfoBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.label.route.map.LabelRouteInfoKey;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntryKey;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.AdjacencyBuilder;
  51 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  52 import org.opendaylight.yangtools.yang.common.Uint32;
  53 import org.opendaylight.yangtools.yang.common.Uint64;
  54 import org.slf4j.Logger;
  55 import org.slf4j.LoggerFactory;
  56
  57 public abstract class L3vpnPopulator implements VpnPopulator {
  58     private static final Logger LOG = LoggerFactory.getLogger(L3vpnPopulator.class);
  59
  60     protected final IBgpManager bgpManager;
  61     protected final IFibManager fibManager;
  62     protected final DataBroker broker;
  63     protected final ManagedNewTransactionRunner txRunner;
  64     protected final VpnUtil vpnUtil;
  65
  66     protected L3vpnPopulator(DataBroker dataBroker, IBgpManager bgpManager, IFibManager fibManager,
  67                              VpnUtil vpnUtil) {
  68         this.bgpManager = bgpManager;
  69         this.fibManager = fibManager;
  70         this.broker = dataBroker;
  71         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  72         this.vpnUtil = vpnUtil;
  73     }
  74
  75     @Override
  76     public void populateFib(L3vpnInput input, TypedWriteTransaction<Configuration> writeCfgTxn) {
  77
  78     }
  79
  80     public void addSubnetRouteFibEntry(L3vpnInput input) {
  81         String rd = input.getRd();
  82         String vpnName = input.getVpnName();
  83         String prefix = input.getSubnetIp();
  84         String nextHop = input.getNextHopIp();
  85         Uint32 label = Uint32.valueOf(input.getLabel());
  86         Uint32 l3vni = Uint32.valueOf(input.getL3vni());
  87         Uint32 elantag = Uint32.valueOf(input.getElanTag());
  88         Uint64 dpnId = input.getDpnId();
  89         String networkName = input.getNetworkName();
  90         String gwMacAddress = input.getGatewayMac();
  91         SubnetRoute route = new SubnetRouteBuilder().setElantag(elantag).build();
  92         RouteOrigin origin = RouteOrigin.CONNECTED; // Only case when a route is considered as directly connected
  93         VrfEntry vrfEntry = FibHelper.getVrfEntryBuilder(prefix, label, nextHop, origin, networkName)
  94                 .addAugmentation(SubnetRoute.class, route).setL3vni(l3vni).setGatewayMacAddress(gwMacAddress).build();
  95         LOG.debug("Created vrfEntry for {} nexthop {} label {} and elantag {}", prefix, nextHop, label, elantag);
  96         InstanceIdentifier<VrfEntry> vrfEntryId =
  97                 InstanceIdentifier.builder(FibEntries.class)
  98                         .child(VrfTables.class, new VrfTablesKey(rd))
  99                         .child(VrfEntry.class, new VrfEntryKey(prefix)).build();
 100         Optional<VrfEntry> entry = Optional.empty();
 101         try {
 102             entry = SingleTransactionDataBroker.syncReadOptional(broker,
 103                     LogicalDatastoreType.CONFIGURATION, vrfEntryId);
 104         } catch (ExecutionException | InterruptedException e) {
 105             LOG.error("addSubnetRouteFibEntry: Exception while reading vrfEntry for the prefix {} rd {}", prefix,
 106                     rd, e);
 107         }
 108         if (!entry.isPresent()) {
 109             List<VrfEntry> vrfEntryList = Collections.singletonList(vrfEntry);
 110
 111             InstanceIdentifier.InstanceIdentifierBuilder<VrfTables> idBuilder =
 112                     InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(rd));
 113             InstanceIdentifier<VrfTables> vrfTableId = idBuilder.build();
 114
 115             VrfTables vrfTableNew = new VrfTablesBuilder().setRouteDistinguisher(rd).setVrfEntry(vrfEntryList).build();
 116             vpnUtil.syncUpdate(LogicalDatastoreType.CONFIGURATION, vrfTableId, vrfTableNew);
 117             LOG.info("SUBNETROUTE: addSubnetRouteFibEntryToDS: Added vrfEntry for {} nexthop {} label {} rd {}"
 118                     + " vpnName {}", prefix, nextHop, label, rd, vpnName);
 119         } else { // Found in MDSAL database
 120             vpnUtil.syncWrite(LogicalDatastoreType.CONFIGURATION, vrfEntryId, vrfEntry);
 121             LOG.info("SUBNETROUTE: addSubnetRouteFibEntryToDS: Updated vrfEntry for {} nexthop {} label {} rd {}"
 122                     + " vpnName {}", prefix, nextHop, label, rd, vpnName);
 123         }
 124
 125         //Will be handled appropriately with the iRT patch for EVPN
 126         if (input.getEncapType().equals(VrfEntryBase.EncapType.Mplsgre)) {
 127             Uint32 vpnId = vpnUtil.getVpnId(vpnName);
 128             addToLabelMapper(label, dpnId, prefix, Collections.singletonList(nextHop), vpnId, null,
 129                     elantag, true, rd);
 130             List<VpnInstanceOpDataEntry> vpnsToImportRoute = vpnUtil.getVpnsImportingMyRoute(vpnName);
 131             if (vpnsToImportRoute.size() > 0) {
 132                 VrfEntry importingVrfEntry = FibHelper.getVrfEntryBuilder(prefix, label, nextHop,
 133                         RouteOrigin.SELF_IMPORTED, rd).addAugmentation(SubnetRoute.class, route).build();
 134                 List<VrfEntry> importingVrfEntryList = Collections.singletonList(importingVrfEntry);
 135                 for (VpnInstanceOpDataEntry vpnInstance : vpnsToImportRoute) {
 136                     String importingRd = vpnInstance.getVrfId();
 137                     InstanceIdentifier<VrfTables> importingVrfTableId =
 138                             InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class,
 139                                     new VrfTablesKey(importingRd)).build();
 140                     VrfTables importingVrfTable = new VrfTablesBuilder().setRouteDistinguisher(importingRd)
 141                             .setVrfEntry(importingVrfEntryList).build();
 142                     vpnUtil.syncUpdate(LogicalDatastoreType.CONFIGURATION, importingVrfTableId, importingVrfTable);
 143                     LOG.info("SUBNETROUTE: addSubnetRouteFibEntryToDS: Exported route rd {} prefix {} nexthop {}"
 144                             + " label {} to vpn {} importingRd {}", rd, prefix, nextHop, label,
 145                             vpnInstance.getVpnInstanceName(), importingRd);
 146                 }
 147             }
 148         }
 149         LOG.info("SUBNETROUTE: addSubnetRouteFibEntryToDS: Created vrfEntry for {} nexthop {} label {} and elantag {}"
 150                 + "rd {} vpnName {}", prefix, nextHop, label, elantag, rd, vpnName);
 151     }
 152
 153     public void addToLabelMapper(Uint32 label, Uint64 dpnId, String prefix, List<String> nextHopIpList, Uint32 vpnId,
 154                                  @Nullable String vpnInterfaceName, @Nullable Uint32 elanTag,
 155                                  boolean isSubnetRoute, String rd) {
 156         final String labelStr = Preconditions.checkNotNull(label, "addToLabelMapper: label cannot be null or empty!")
 157                 .toString();
 158         Preconditions.checkNotNull(prefix, "addToLabelMapper: prefix cannot be null or empty!");
 159         Preconditions.checkNotNull(vpnId, "addToLabelMapper: vpnId cannot be null or empty!");
 160         Preconditions.checkNotNull(rd, "addToLabelMapper: rd cannot be null or empty!");
 161         if (!isSubnetRoute) {
 162             // NextHop must be present for non-subnetroute entries
 163             Preconditions.checkNotNull(nextHopIpList, "addToLabelMapper: nextHopIp cannot be null or empty!");
 164         }
 165
 166         // FIXME: separate this out somehow?
 167         final ReentrantLock lock = JvmGlobalLocks.getLockForString(labelStr);
 168         lock.lock();
 169         try {
 170             addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, tx -> {
 171                 LOG.info("addToLabelMapper: label {} dpn {} prefix {} nexthoplist {} vpnid {} vpnIntfcName {} rd {}"
 172                         + " elanTag {}", labelStr, dpnId, prefix, nextHopIpList, vpnId, vpnInterfaceName, rd, elanTag);
 173                 if (dpnId != null) {
 174                     LabelRouteInfoBuilder lriBuilder = new LabelRouteInfoBuilder();
 175                     lriBuilder.setLabel(label).setDpnId(dpnId).setPrefix(prefix).setNextHopIpList(nextHopIpList)
 176                     .setParentVpnid(vpnId).setIsSubnetRoute(isSubnetRoute);
 177                     if (elanTag != null) {
 178                         lriBuilder.setElanTag(elanTag);
 179                     } else {
 180                         LOG.warn("addToLabelMapper: elanTag is null for label {} prefix {} rd {} vpnId {}",
 181                                 labelStr, prefix, rd, vpnId);
 182                     }
 183                     if (vpnInterfaceName != null) {
 184                         lriBuilder.setVpnInterfaceName(vpnInterfaceName);
 185                     } else {
 186                         LOG.warn("addToLabelMapper: vpn interface is null for label {} prefix {} rd {} vpnId {}",
 187                                 labelStr, prefix, rd, vpnId);
 188                     }
 189                     lriBuilder.setParentVpnRd(rd);
 190                     VpnInstanceOpDataEntry vpnInstanceOpDataEntry = vpnUtil.getVpnInstanceOpData(rd);
 191                     if (vpnInstanceOpDataEntry != null) {
 192                         List<String> vpnInstanceNames = Collections
 193                                 .singletonList(vpnInstanceOpDataEntry.getVpnInstanceName());
 194                         lriBuilder.setVpnInstanceList(vpnInstanceNames);
 195                     }
 196                     LabelRouteInfo lri = lriBuilder.build();
 197                     InstanceIdentifier<LabelRouteInfo> lriIid = InstanceIdentifier.builder(LabelRouteMap.class)
 198                             .child(LabelRouteInfo.class, new LabelRouteInfoKey(label)).build();
 199                     tx.mergeParentStructureMerge(lriIid, lri);
 200                     LOG.info("addToLabelMapper: Added label route info to label {} prefix {} nextHopList {} vpnId {}"
 201                             + " interface {} rd {} elantag {}", labelStr, prefix, nextHopIpList, vpnId,
 202                             vpnInterfaceName, rd, elanTag);
 203                 } else {
 204                     LOG.warn("addToLabelMapper: Can't add entry to label map for label {} prefix {} nextHopList {}"
 205                             + " vpnId {} interface {} rd {} elantag {}, dpnId is null", labelStr, prefix, nextHopIpList,
 206                             vpnId, vpnInterfaceName, rd, elanTag);
 207                 }
 208             }), LOG, "addToLabelMapper");
 209         } finally {
 210             lock.unlock();
 211         }
 212     }
 213
 214     @Override
 215     public Adjacency createOperationalAdjacency(L3vpnInput input) {
 216         return new AdjacencyBuilder().build();
 217     }
 218
 219     @SuppressWarnings("checkstyle:IllegalCatch")
 220     protected void addPrefixToBGP(String rd, String primaryRd, @Nullable String macAddress, String prefix,
 221                                   String nextHopIp, VrfEntry.EncapType encapType, Uint32 label, Uint32 l3vni,
 222                                   String gatewayMac, RouteOrigin origin,
 223                                   TypedWriteTransaction<Configuration> writeConfigTxn) {
 224         try {
 225             List<String> nextHopList = Collections.singletonList(nextHopIp);
 226             LOG.info("ADD: addPrefixToBGP: Adding Fib entry rd {} prefix {} nextHop {} label {} gwMac {}", rd, prefix,
 227                     nextHopList, label, gatewayMac);
 228             fibManager.addOrUpdateFibEntry(primaryRd, macAddress, prefix, nextHopList,
 229                     encapType, label, l3vni, gatewayMac, null /*parentVpnRd*/, origin, writeConfigTxn);
 230             LOG.info("ADD: addPrefixToBGP: Added Fib entry rd {} prefix {} nextHop {} label {} gwMac {}", rd, prefix,
 231                     nextHopList, label, gatewayMac);
 232             // Advertise the prefix to BGP only if nexthop ip is available
 233             if (!nextHopList.isEmpty()) {
 234                 bgpManager.advertisePrefix(rd, macAddress, prefix, nextHopList, encapType, label,
 235                         l3vni, Uint32.ZERO /*l2vni*/, gatewayMac);
 236             } else {
 237                 LOG.error("addPrefixToBGP: NextHopList is null/empty. Hence rd {} prefix {} nextHop {} label {}"
 238                         + " gwMac {} is not advertised to BGP", rd, prefix, nextHopList, label, gatewayMac);
 239             }
 240         } catch (Exception e) {
 241             LOG.error("addPrefixToBGP: Add prefix {} with rd {} nextHop {} label {} gwMac {} failed", prefix, rd,
 242                     nextHopIp, label, gatewayMac, e);
 243         }
 244     }
 245 }