elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/internal/VpnDpnToTransportZoneListener.java

   1 /*
   2  * Copyright (c) 2017 HPE 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.elan.internal;
   9
  10 import java.util.stream.Collectors;
  11 import javax.annotation.PostConstruct;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  17 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  18 import org.opendaylight.netvirt.elan.utils.TransportZoneNotificationUtil;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.config.rev150710.ElanConfig;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.VpnInstanceOpData;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnList;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 @Singleton
  28 public class VpnDpnToTransportZoneListener
  29         extends AsyncDataTreeChangeListenerBase<VpnToDpnList, VpnDpnToTransportZoneListener> {
  30
  31     private static final Logger LOG = LoggerFactory.getLogger(VpnDpnToTransportZoneListener.class);
  32     private final TransportZoneNotificationUtil transportZoneNotificationUtil;
  33     private final DataBroker dbx;
  34     private final Boolean useTransportZone;
  35
  36     @Inject
  37     public VpnDpnToTransportZoneListener(final DataBroker dbx, final IInterfaceManager interfaceManager,
  38             final ElanConfig elanConfig, final TransportZoneNotificationUtil tznu) {
  39         useTransportZone = elanConfig.isAutoConfigTransportZones();
  40         transportZoneNotificationUtil = tznu;
  41         this.dbx = dbx;
  42     }
  43
  44     @PostConstruct
  45     public void start() {
  46         LOG.info("{} start", getClass().getSimpleName());
  47
  48         if (useTransportZone) {
  49             registerListener(LogicalDatastoreType.OPERATIONAL, dbx);
  50         }
  51     }
  52
  53     @Override
  54     protected InstanceIdentifier<VpnToDpnList> getWildCardPath() {
  55         return InstanceIdentifier.builder(VpnInstanceOpData.class).child(VpnInstanceOpDataEntry.class)
  56                 .child(VpnToDpnList.class).build();
  57     }
  58
  59     @Override
  60     protected void remove(InstanceIdentifier<VpnToDpnList> identifier, VpnToDpnList del) {
  61         LOG.debug("Vpn dpn {} remove detected, SHOULD BE deleting transport zones", del.getDpnId());
  62     }
  63
  64     @Override
  65     protected void update(InstanceIdentifier<VpnToDpnList> identifier, VpnToDpnList original, VpnToDpnList update) {
  66         LOG.debug("Vpn dpn {} update detected, updating transport zones", update.getDpnId());
  67
  68         if (update.getVpnInterfaces() == null || update.getVpnInterfaces().isEmpty()) {
  69             LOG.debug("Vpn dpn {} doesn't contain any vpn interfaces", update.getDpnId());
  70             return;
  71         }
  72
  73         boolean shouldCreateVtep;
  74         if (original.getVpnInterfaces() != null && !original.getVpnInterfaces().isEmpty()) {
  75             shouldCreateVtep = transportZoneNotificationUtil.shouldCreateVtep(update.getVpnInterfaces().stream()
  76                     .filter(vi -> !original.getVpnInterfaces().contains(vi)).collect(Collectors.toList()));
  77         } else {
  78             shouldCreateVtep = transportZoneNotificationUtil.shouldCreateVtep(update.getVpnInterfaces());
  79         }
  80
  81         if (shouldCreateVtep) {
  82             String vrfId = identifier.firstKeyOf(VpnInstanceOpDataEntry.class).getVrfId();
  83             transportZoneNotificationUtil.updateTransportZone(vrfId, update.getDpnId());
  84         }
  85     }
  86
  87     @Override
  88     protected void add(InstanceIdentifier<VpnToDpnList> identifier, VpnToDpnList add) {
  89         LOG.debug("Vpn dpn {} add detected, updating transport zones", add.getDpnId());
  90
  91         boolean shouldCreateVtep = transportZoneNotificationUtil.shouldCreateVtep(add.getVpnInterfaces());
  92         if (shouldCreateVtep) {
  93             String vrfId = identifier.firstKeyOf(VpnInstanceOpDataEntry.class).getVrfId();
  94             transportZoneNotificationUtil.updateTransportZone(vrfId, add.getDpnId());
  95         }
  96     }
  97
  98     @Override
  99     protected VpnDpnToTransportZoneListener getDataTreeChangeListener() {
 100         return VpnDpnToTransportZoneListener.this;
 101     }
 102 }