git.opendaylight Code Review - netvirt.git/blob

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