vpnmanager/impl/src/main/java/org/opendaylight/netvirt/vpnmanager/TunnelEndPointChangeListener.java

   1 /*
   2  * Copyright (c) 2016 Hewlett Packard Enterprise, Co. 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
   9 package org.opendaylight.netvirt.vpnmanager;
  10
  11 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  12 import static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
  13
  14 import com.google.common.util.concurrent.FutureCallback;
  15 import com.google.common.util.concurrent.Futures;
  16 import com.google.common.util.concurrent.ListenableFuture;
  17 import com.google.common.util.concurrent.MoreExecutors;
  18 import java.util.ArrayList;
  19 import java.util.Collections;
  20 import java.util.HashSet;
  21 import java.util.List;
  22 import java.util.Set;
  23 import javax.annotation.PostConstruct;
  24 import javax.inject.Inject;
  25 import javax.inject.Singleton;
  26 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  27 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  28 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  29 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  30 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  31 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  32 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
  33 import org.opendaylight.netvirt.vpnmanager.api.InterfaceUtils;
  34 import org.opendaylight.netvirt.vpnmanager.api.VpnHelper;
  35 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.DpnEndpoints;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfo;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpn.to.dpn.list.VpnInterfaces;
  40 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  41 import org.opendaylight.yangtools.yang.common.Uint32;
  42 import org.opendaylight.yangtools.yang.common.Uint64;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45
  46 @Singleton
  47 public class TunnelEndPointChangeListener
  48     extends AsyncDataTreeChangeListenerBase<TunnelEndPoints, TunnelEndPointChangeListener> {
  49     private static final Logger LOG = LoggerFactory.getLogger(TunnelEndPointChangeListener.class);
  50
  51     private final DataBroker broker;
  52     private final ManagedNewTransactionRunner txRunner;
  53     private final VpnInterfaceManager vpnInterfaceManager;
  54     private final JobCoordinator jobCoordinator;
  55     private final VpnUtil vpnUtil;
  56     private final IFibManager fibManager;
  57
  58     @Inject
  59     public TunnelEndPointChangeListener(final DataBroker broker, final VpnInterfaceManager vpnInterfaceManager,
  60             final JobCoordinator jobCoordinator, VpnUtil vpnUtil, final IFibManager fibManager) {
  61         super(TunnelEndPoints.class, TunnelEndPointChangeListener.class);
  62         this.broker = broker;
  63         this.txRunner = new ManagedNewTransactionRunnerImpl(broker);
  64         this.vpnInterfaceManager = vpnInterfaceManager;
  65         this.jobCoordinator = jobCoordinator;
  66         this.vpnUtil = vpnUtil;
  67         this.fibManager = fibManager;
  68     }
  69
  70     @PostConstruct
  71     public void start() {
  72         LOG.info("{} start", getClass().getSimpleName());
  73         registerListener(LogicalDatastoreType.CONFIGURATION, broker);
  74     }
  75
  76     @Override
  77     protected InstanceIdentifier<TunnelEndPoints> getWildCardPath() {
  78         return InstanceIdentifier.builder(DpnEndpoints.class).child(DPNTEPsInfo.class).child(TunnelEndPoints.class)
  79             .build();
  80     }
  81
  82     @Override
  83     protected void remove(InstanceIdentifier<TunnelEndPoints> key, TunnelEndPoints tep) {
  84     }
  85
  86     @Override
  87     protected void update(InstanceIdentifier<TunnelEndPoints> key, TunnelEndPoints origTep,
  88         TunnelEndPoints updatedTep) {
  89     }
  90
  91     @Override
  92     protected void add(InstanceIdentifier<TunnelEndPoints> key, TunnelEndPoints tep) {
  93         Uint64 dpnId = key.firstIdentifierOf(DPNTEPsInfo.class).firstKeyOf(DPNTEPsInfo.class).getDPNID();
  94         if (Uint64.ZERO.equals(dpnId)) {
  95             LOG.warn("add: Invalid DPN id for TEP {}", tep.getInterfaceName());
  96             return;
  97         }
  98
  99         List<VpnInstance> vpnInstances = VpnHelper.getAllVpnInstances(broker);
 100         if (vpnInstances == null || vpnInstances.isEmpty()) {
 101             LOG.warn("add: dpnId: {}: tep: {}: No VPN instances defined", dpnId, tep.getInterfaceName());
 102             return;
 103         }
 104
 105         for (VpnInstance vpnInstance : vpnInstances) {
 106             final String vpnName = vpnInstance.getVpnInstanceName();
 107             final Uint32 vpnId = vpnUtil.getVpnId(vpnName);
 108             LOG.info("add: Handling TEP {} add for VPN instance {}", tep.getInterfaceName(), vpnName);
 109             final String primaryRd = vpnUtil.getPrimaryRd(vpnName);
 110             if (!vpnUtil.isVpnPendingDelete(primaryRd)) {
 111                 List<VpnInterfaces> vpnInterfaces = vpnUtil.getDpnVpnInterfaces(vpnInstance, dpnId);
 112                 if (vpnInterfaces != null) {
 113                     for (VpnInterfaces vpnInterface : vpnInterfaces) {
 114                         String vpnInterfaceName = vpnInterface.getInterfaceName();
 115                         jobCoordinator.enqueueJob("VPNINTERFACE-" + vpnInterfaceName,
 116                             () -> {
 117                                 final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces
 118                                         .rev140508.interfaces.state.Interface
 119                                         interfaceState =
 120                                         InterfaceUtils.getInterfaceStateFromOperDS(broker, vpnInterfaceName);
 121                                 if (interfaceState == null) {
 122                                     LOG.debug("add: Cannot retrieve interfaceState for vpnInterfaceName {}, "
 123                                             + "cannot generate lPortTag and process adjacencies", vpnInterfaceName);
 124                                     return Collections.emptyList();
 125                                 }
 126                                 final int lPortTag = interfaceState.getIfIndex();
 127                                 List<ListenableFuture<Void>> futures = new ArrayList<>();
 128                                 Set<String> prefixesForRefreshFib = new HashSet<>();
 129                                 ListenableFuture<Void> writeConfigFuture =
 130                                     txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
 131                                         writeConfigTxn -> futures.add(
 132                                             txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL,
 133                                                 writeOperTxn -> futures.add(
 134                                                     txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION,
 135                                                         writeInvTxn ->
 136                                                             vpnInterfaceManager.processVpnInterfaceAdjacencies(dpnId,
 137                                                                 lPortTag, vpnName, primaryRd, vpnInterfaceName, vpnId,
 138                                                                 writeConfigTxn, writeOperTxn, writeInvTxn,
 139                                                                 interfaceState, prefixesForRefreshFib)
 140                                                     )))));
 141                                 Futures.addCallback(writeConfigFuture, new FutureCallback<Void>() {
 142                                     @Override
 143                                     public void onSuccess(Void voidObj) {
 144                                         prefixesForRefreshFib.forEach(prefix -> {
 145                                             fibManager.refreshVrfEntry(primaryRd, prefix);
 146                                         });
 147                                     }
 148
 149                                     @Override
 150                                     public void onFailure(Throwable throwable) {
 151                                         LOG.debug("addVpnInterface: write Tx config execution failed", throwable);
 152                                     }
 153                                 }, MoreExecutors.directExecutor());
 154                                 futures.add(writeConfigFuture);
 155                                 LOG.trace("add: Handled TEP {} add for VPN instance {} VPN interface {}",
 156                                         tep.getInterfaceName(), vpnName, vpnInterfaceName);
 157                                 return futures;
 158                             });
 159                     }
 160                 }
 161             } else {
 162                 LOG.error("add: Ignoring addition of tunnel interface {} dpn {} for vpnInstance {} with primaryRd {},"
 163                         + " as the VPN is already marked for deletion", tep.getInterfaceName(), dpnId,
 164                         vpnName, primaryRd);
 165             }
 166         }
 167     }
 168
 169     @Override
 170     protected TunnelEndPointChangeListener getDataTreeChangeListener() {
 171         return this;
 172     }
 173 }