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

   1 /*
   2  * Copyright (c) 2018 Redhat 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 com.google.common.base.Optional;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13
  14 import java.math.BigInteger;
  15 import java.util.ArrayList;
  16 import java.util.Collections;
  17 import java.util.Iterator;
  18 import java.util.List;
  19
  20 import javax.annotation.PostConstruct;
  21 import javax.inject.Inject;
  22 import javax.inject.Singleton;
  23
  24 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  25 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  26 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  27 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
  28 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  29 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  30 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  31 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  32 import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
  33 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
  34 import org.opendaylight.netvirt.vpnmanager.api.VpnHelper;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnList;
  40 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  41
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 @Singleton
  46 public class VpnServiceElanDpnInterfacesListener
  47         extends AsyncDataTreeChangeListenerBase<DpnInterfaces, VpnServiceElanDpnInterfacesListener> {
  48
  49     private static final Logger LOG = LoggerFactory.getLogger(VpnServiceElanDpnInterfacesListener.class);
  50     private final DataBroker dataBroker;
  51     private final IInterfaceManager interfaceManager;
  52     private final IFibManager fibManager;
  53     private final JobCoordinator jobCoordinator;
  54     private final ManagedNewTransactionRunner txRunner;
  55
  56     @Inject
  57     public VpnServiceElanDpnInterfacesListener(final DataBroker dataBroker, final IInterfaceManager interfaceManager,
  58             final IFibManager fibManager,final JobCoordinator jobCoordinator) {
  59         this.dataBroker = dataBroker;
  60         this.interfaceManager = interfaceManager;
  61         this.fibManager = fibManager;
  62         this.jobCoordinator = jobCoordinator;
  63         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  64     }
  65
  66     @PostConstruct
  67     public void start() {
  68         registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
  69     }
  70
  71     @Override
  72     public InstanceIdentifier<DpnInterfaces> getWildCardPath() {
  73         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class)
  74                 .child(DpnInterfaces.class).build();
  75     }
  76
  77     @Override
  78     protected void remove(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
  79
  80     }
  81
  82     @Override
  83     protected void update(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces original,
  84             DpnInterfaces update) {
  85         LOG.info("received Dpninterfaces update event for dpn {}", update.getDpId());
  86         BigInteger dpnId = update.getDpId();
  87         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  88         ElanInstance elanInstance = VpnUtil.getElanInstanceByName(dataBroker, elanInstanceName);
  89         String vpnName = VpnUtil.getVpnNameFromElanIntanceName(dataBroker,elanInstanceName);
  90         if (vpnName == null) {
  91             return;
  92         }
  93         String primaryRd = VpnUtil.getPrimaryRd(dataBroker, vpnName);
  94         if (elanInstance != null && !elanInstance.isExternal() && VpnUtil.isVlan(elanInstance)) {
  95             jobCoordinator.enqueueJob(elanInstance.getElanInstanceName(), () -> {
  96                 ListenableFuture<Void> future = txRunner.callWithNewWriteOnlyTransactionAndSubmit(writeConfigTxn -> {
  97                     List<String> addedInterfaces = getUpdatedInterfaceList(update.getInterfaces(),
  98                             original.getInterfaces());
  99                     for (String addedInterface: addedInterfaces) {
 100                         if (interfaceManager.isExternalInterface(addedInterface)) {
 101                             InstanceIdentifier<VpnToDpnList> id = VpnHelper.getVpnToDpnListIdentifier(primaryRd,
 102                                     dpnId);
 103                             Optional<VpnToDpnList> dpnInVpn = SingleTransactionDataBroker.syncReadOptional(dataBroker,
 104                                     LogicalDatastoreType.OPERATIONAL, id);
 105                             if (!dpnInVpn.isPresent() || (dpnInVpn.get().getVpnInterfaces() != null
 106                                     && dpnInVpn.get().getVpnInterfaces().size() != 1)) {
 107                                 return;
 108                             }
 109                             if (!VpnUtil.shouldPopulateFibForVlan(dataBroker, vpnName, elanInstanceName,
 110                                     dpnId, interfaceManager)) {
 111                                 return;
 112                             }
 113                             long vpnId = VpnUtil.getVpnId(dataBroker, vpnName);
 114                             fibManager.populateFibOnNewDpn(dpnId, vpnId, primaryRd, null);
 115                             break;
 116                         }
 117                     }
 118                     List<String> deletedInterfaces = getUpdatedInterfaceList(original.getInterfaces(),
 119                             update.getInterfaces());
 120                     if (!deletedInterfaces.isEmpty()) {
 121                         String routerPortUuid = VpnUtil.getRouterPordIdFromElanInstance(dataBroker, elanInstanceName);
 122                         if (update.getInterfaces().size() == 2 && update.getInterfaces().contains(routerPortUuid)) {
 123                             VpnUtil.removeRouterPortFromElanForVlanInDpn(vpnName, dpnId, dataBroker);
 124                         }
 125                     }
 126                 });
 127                 ListenableFutures.addErrorLogging(future, LOG, "Failed to process DpnInterfaces update event for"
 128                         + "dpn {} elan {} vpn {}", dpnId, elanInstanceName, vpnName);
 129                 return Collections.singletonList(future);
 130             });
 131         }
 132     }
 133
 134     @Override
 135     protected void add(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
 136         BigInteger dpnId = dpnInterfaces.getDpId();
 137         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
 138         ElanInstance elanInstance = VpnUtil.getElanInstanceByName(dataBroker, elanInstanceName);
 139         if (!VpnUtil.isVlan(elanInstance)) {
 140             return;
 141         }
 142         String vpnName = VpnUtil.getVpnNameFromElanIntanceName(dataBroker,elanInstanceName);
 143         if (vpnName == null) {
 144             return;
 145         }
 146         VpnUtil.addRouterPortToElanForVlanInDpn(vpnName, dpnId, dataBroker);
 147     }
 148
 149     @Override
 150     protected VpnServiceElanDpnInterfacesListener getDataTreeChangeListener() {
 151         return VpnServiceElanDpnInterfacesListener.this;
 152     }
 153
 154
 155     public static List<String> getUpdatedInterfaceList(List<String> updatedInterfaceList,
 156             List<String> currentInterfaceList) {
 157         if (updatedInterfaceList == null) {
 158             return Collections.<String>emptyList();
 159         }
 160         List<String> newInterfaceList = new ArrayList<>(updatedInterfaceList);
 161         if (currentInterfaceList == null) {
 162             return newInterfaceList;
 163         }
 164         List<String> origInterfaceList = new ArrayList<>(currentInterfaceList);
 165         for (Iterator<String> iterator = newInterfaceList.iterator(); iterator.hasNext();) {
 166             String updatedInterface = iterator.next();
 167             for (String currentInterface :origInterfaceList) {
 168                 if (updatedInterface.equals(currentInterface)) {
 169                     iterator.remove();
 170                 }
 171             }
 172         }
 173         return newInterfaceList;
 174     }
 175
 176 }