/* * Copyright (c) 2017 Ericsson India Global Services Pvt Ltd. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.netvirt.vpnmanager.populator.impl; import static org.opendaylight.controller.md.sal.binding.api.WriteTransaction.CREATE_MISSING_PARENTS; import static org.opendaylight.genius.infra.Datastore.OPERATIONAL; import static org.opendaylight.infrautils.utils.concurrent.ListenableFutures.addErrorLogging; import com.google.common.base.Optional; import com.google.common.base.Preconditions; import java.util.Collections; import java.util.List; import java.util.concurrent.locks.ReentrantLock; import org.eclipse.jdt.annotation.Nullable; import org.opendaylight.controller.md.sal.binding.api.DataBroker; import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType; import org.opendaylight.genius.infra.Datastore.Configuration; import org.opendaylight.genius.infra.ManagedNewTransactionRunner; import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl; import org.opendaylight.genius.infra.TypedWriteTransaction; import org.opendaylight.genius.mdsalutil.MDSALUtil; import org.opendaylight.genius.utils.JvmGlobalLocks; import org.opendaylight.netvirt.bgpmanager.api.IBgpManager; import org.opendaylight.netvirt.fibmanager.api.FibHelper; import org.opendaylight.netvirt.fibmanager.api.IFibManager; import org.opendaylight.netvirt.fibmanager.api.RouteOrigin; import org.opendaylight.netvirt.vpnmanager.VpnUtil; import org.opendaylight.netvirt.vpnmanager.populator.input.L3vpnInput; import org.opendaylight.netvirt.vpnmanager.populator.intfc.VpnPopulator; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.FibEntries; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.LabelRouteMap; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.SubnetRoute; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.SubnetRouteBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.VrfEntryBase; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTables; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTablesBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTablesKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.label.route.map.LabelRouteInfo; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.label.route.map.LabelRouteInfoBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.label.route.map.LabelRouteInfoKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntryKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency; import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.AdjacencyBuilder; import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; import org.opendaylight.yangtools.yang.common.Uint32; import org.opendaylight.yangtools.yang.common.Uint64; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public abstract class L3vpnPopulator implements VpnPopulator { private static final Logger LOG = LoggerFactory.getLogger(L3vpnPopulator.class); protected final IBgpManager bgpManager; protected final IFibManager fibManager; protected final DataBroker broker; protected final ManagedNewTransactionRunner txRunner; protected final VpnUtil vpnUtil; protected L3vpnPopulator(DataBroker dataBroker, IBgpManager bgpManager, IFibManager fibManager, VpnUtil vpnUtil) { this.bgpManager = bgpManager; this.fibManager = fibManager; this.broker = dataBroker; this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker); this.vpnUtil = vpnUtil; } @Override public void populateFib(L3vpnInput input, TypedWriteTransaction writeCfgTxn) { } public void addSubnetRouteFibEntry(L3vpnInput input) { String rd = input.getRd(); String vpnName = input.getVpnName(); String prefix = input.getSubnetIp(); String nextHop = input.getNextHopIp(); Uint32 label = Uint32.valueOf(input.getLabel()); Uint32 l3vni = Uint32.valueOf(input.getL3vni()); Uint32 elantag = Uint32.valueOf(input.getElanTag()); Uint64 dpnId = input.getDpnId(); String networkName = input.getNetworkName(); String gwMacAddress = input.getGatewayMac(); SubnetRoute route = new SubnetRouteBuilder().setElantag(elantag).build(); RouteOrigin origin = RouteOrigin.CONNECTED; // Only case when a route is considered as directly connected VrfEntry vrfEntry = FibHelper.getVrfEntryBuilder(prefix, label, nextHop, origin, networkName) .addAugmentation(SubnetRoute.class, route).setL3vni(l3vni).setGatewayMacAddress(gwMacAddress).build(); LOG.debug("Created vrfEntry for {} nexthop {} label {} and elantag {}", prefix, nextHop, label, elantag); InstanceIdentifier vrfEntryId = InstanceIdentifier.builder(FibEntries.class) .child(VrfTables.class, new VrfTablesKey(rd)) .child(VrfEntry.class, new VrfEntryKey(prefix)).build(); Optional entry = MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION, vrfEntryId); if (!entry.isPresent()) { List vrfEntryList = Collections.singletonList(vrfEntry); InstanceIdentifier.InstanceIdentifierBuilder idBuilder = InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(rd)); InstanceIdentifier vrfTableId = idBuilder.build(); VrfTables vrfTableNew = new VrfTablesBuilder().setRouteDistinguisher(rd).setVrfEntry(vrfEntryList).build(); vpnUtil.syncUpdate(LogicalDatastoreType.CONFIGURATION, vrfTableId, vrfTableNew); LOG.info("SUBNETROUTE: addSubnetRouteFibEntryToDS: Added vrfEntry for {} nexthop {} label {} rd {}" + " vpnName {}", prefix, nextHop, label, rd, vpnName); } else { // Found in MDSAL database vpnUtil.syncWrite(LogicalDatastoreType.CONFIGURATION, vrfEntryId, vrfEntry); LOG.info("SUBNETROUTE: addSubnetRouteFibEntryToDS: Updated vrfEntry for {} nexthop {} label {} rd {}" + " vpnName {}", prefix, nextHop, label, rd, vpnName); } //Will be handled appropriately with the iRT patch for EVPN if (input.getEncapType().equals(VrfEntryBase.EncapType.Mplsgre)) { Uint32 vpnId = vpnUtil.getVpnId(vpnName); addToLabelMapper(label, dpnId, prefix, Collections.singletonList(nextHop), vpnId, null, elantag, true, rd); List vpnsToImportRoute = vpnUtil.getVpnsImportingMyRoute(vpnName); if (vpnsToImportRoute.size() > 0) { VrfEntry importingVrfEntry = FibHelper.getVrfEntryBuilder(prefix, label, nextHop, RouteOrigin.SELF_IMPORTED, rd).addAugmentation(SubnetRoute.class, route).build(); List importingVrfEntryList = Collections.singletonList(importingVrfEntry); for (VpnInstanceOpDataEntry vpnInstance : vpnsToImportRoute) { String importingRd = vpnInstance.getVrfId(); InstanceIdentifier importingVrfTableId = InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(importingRd)).build(); VrfTables importingVrfTable = new VrfTablesBuilder().setRouteDistinguisher(importingRd) .setVrfEntry(importingVrfEntryList).build(); vpnUtil.syncUpdate(LogicalDatastoreType.CONFIGURATION, importingVrfTableId, importingVrfTable); LOG.info("SUBNETROUTE: addSubnetRouteFibEntryToDS: Exported route rd {} prefix {} nexthop {}" + " label {} to vpn {} importingRd {}", rd, prefix, nextHop, label, vpnInstance.getVpnInstanceName(), importingRd); } } } LOG.info("SUBNETROUTE: addSubnetRouteFibEntryToDS: Created vrfEntry for {} nexthop {} label {} and elantag {}" + "rd {} vpnName {}", prefix, nextHop, label, elantag, rd, vpnName); } public void addToLabelMapper(Uint32 label, Uint64 dpnId, String prefix, List nextHopIpList, Uint32 vpnId, @Nullable String vpnInterfaceName, @Nullable Uint32 elanTag, boolean isSubnetRoute, String rd) { final String labelStr = Preconditions.checkNotNull(label, "addToLabelMapper: label cannot be null or empty!") .toString(); Preconditions.checkNotNull(prefix, "addToLabelMapper: prefix cannot be null or empty!"); Preconditions.checkNotNull(vpnId, "addToLabelMapper: vpnId cannot be null or empty!"); Preconditions.checkNotNull(rd, "addToLabelMapper: rd cannot be null or empty!"); if (!isSubnetRoute) { // NextHop must be present for non-subnetroute entries Preconditions.checkNotNull(nextHopIpList, "addToLabelMapper: nextHopIp cannot be null or empty!"); } // FIXME: separate this out somehow? final ReentrantLock lock = JvmGlobalLocks.getLockForString(labelStr); lock.lock(); try { addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, tx -> { LOG.info("addToLabelMapper: label {} dpn {} prefix {} nexthoplist {} vpnid {} vpnIntfcName {} rd {}" + " elanTag {}", labelStr, dpnId, prefix, nextHopIpList, vpnId, vpnInterfaceName, rd, elanTag); if (dpnId != null) { LabelRouteInfoBuilder lriBuilder = new LabelRouteInfoBuilder(); lriBuilder.setLabel(label).setDpnId(dpnId).setPrefix(prefix).setNextHopIpList(nextHopIpList) .setParentVpnid(vpnId).setIsSubnetRoute(isSubnetRoute); if (elanTag != null) { lriBuilder.setElanTag(elanTag); } else { LOG.warn("addToLabelMapper: elanTag is null for label {} prefix {} rd {} vpnId {}", labelStr, prefix, rd, vpnId); } if (vpnInterfaceName != null) { lriBuilder.setVpnInterfaceName(vpnInterfaceName); } else { LOG.warn("addToLabelMapper: vpn interface is null for label {} prefix {} rd {} vpnId {}", labelStr, prefix, rd, vpnId); } lriBuilder.setParentVpnRd(rd); VpnInstanceOpDataEntry vpnInstanceOpDataEntry = vpnUtil.getVpnInstanceOpData(rd); if (vpnInstanceOpDataEntry != null) { List vpnInstanceNames = Collections .singletonList(vpnInstanceOpDataEntry.getVpnInstanceName()); lriBuilder.setVpnInstanceList(vpnInstanceNames); } LabelRouteInfo lri = lriBuilder.build(); InstanceIdentifier lriIid = InstanceIdentifier.builder(LabelRouteMap.class) .child(LabelRouteInfo.class, new LabelRouteInfoKey(label)).build(); tx.merge(lriIid, lri, CREATE_MISSING_PARENTS); LOG.info("addToLabelMapper: Added label route info to label {} prefix {} nextHopList {} vpnId {}" + " interface {} rd {} elantag {}", labelStr, prefix, nextHopIpList, vpnId, vpnInterfaceName, rd, elanTag); } else { LOG.warn("addToLabelMapper: Can't add entry to label map for label {} prefix {} nextHopList {}" + " vpnId {} interface {} rd {} elantag {}, dpnId is null", labelStr, prefix, nextHopIpList, vpnId, vpnInterfaceName, rd, elanTag); } }), LOG, "addToLabelMapper"); } finally { lock.unlock(); } } @Override public Adjacency createOperationalAdjacency(L3vpnInput input) { return new AdjacencyBuilder().build(); } @SuppressWarnings("checkstyle:IllegalCatch") protected void addPrefixToBGP(String rd, String primaryRd, @Nullable String macAddress, String prefix, String nextHopIp, VrfEntry.EncapType encapType, Uint32 label, Uint32 l3vni, String gatewayMac, RouteOrigin origin, TypedWriteTransaction writeConfigTxn) { try { List nextHopList = Collections.singletonList(nextHopIp); LOG.info("ADD: addPrefixToBGP: Adding Fib entry rd {} prefix {} nextHop {} label {} gwMac {}", rd, prefix, nextHopList, label, gatewayMac); fibManager.addOrUpdateFibEntry(primaryRd, macAddress, prefix, nextHopList, encapType, label, l3vni, gatewayMac, null /*parentVpnRd*/, origin, writeConfigTxn); LOG.info("ADD: addPrefixToBGP: Added Fib entry rd {} prefix {} nextHop {} label {} gwMac {}", rd, prefix, nextHopList, label, gatewayMac); // Advertise the prefix to BGP only if nexthop ip is available if (!nextHopList.isEmpty()) { bgpManager.advertisePrefix(rd, macAddress, prefix, nextHopList, encapType, label, l3vni, Uint32.ZERO /*l2vni*/, gatewayMac); } else { LOG.error("addPrefixToBGP: NextHopList is null/empty. Hence rd {} prefix {} nextHop {} label {}" + " gwMac {} is not advertised to BGP", rd, prefix, nextHopList, label, gatewayMac); } } catch (Exception e) { LOG.error("addPrefixToBGP: Add prefix {} with rd {} nextHop {} label {} gwMac {} failed", prefix, rd, nextHopIp, label, gatewayMac, e); } } }