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

   1 /*
   2  * Copyright (c) 2017, 2019 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.netvirt.elan.utils.TransportZoneNotificationUtil;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.config.rev150710.ElanConfig;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.VpnInstanceOpData;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnList;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 @Singleton
  27 public class VpnDpnToTransportZoneListener
  28         extends AsyncDataTreeChangeListenerBase<VpnToDpnList, VpnDpnToTransportZoneListener> {
  29
  30     private static final Logger LOG = LoggerFactory.getLogger(VpnDpnToTransportZoneListener.class);
  31     private final TransportZoneNotificationUtil transportZoneNotificationUtil;
  32     private final DataBroker dbx;
  33     private final Boolean useTransportZone;
  34
  35     @Inject
  36     public VpnDpnToTransportZoneListener(final DataBroker dbx,
  37             final ElanConfig elanConfig, final TransportZoneNotificationUtil tznu) {
  38         useTransportZone = elanConfig.isAutoConfigTransportZones();
  39         transportZoneNotificationUtil = tznu;
  40         this.dbx = dbx;
  41     }
  42
  43     @PostConstruct
  44     public void start() {
  45
  46         if (useTransportZone) {
  47             registerListener(LogicalDatastoreType.OPERATIONAL, dbx);
  48             LOG.info("{} registered", getClass().getSimpleName());
  49         }
  50     }
  51
  52     @Override
  53     protected InstanceIdentifier<VpnToDpnList> getWildCardPath() {
  54         return InstanceIdentifier.builder(VpnInstanceOpData.class).child(VpnInstanceOpDataEntry.class)
  55                 .child(VpnToDpnList.class).build();
  56     }
  57
  58     @Override
  59     protected void remove(InstanceIdentifier<VpnToDpnList> identifier, VpnToDpnList del) {
  60         LOG.debug("Vpn dpn {} remove detected, SHOULD BE deleting transport zones", del.getDpnId());
  61     }
  62
  63     @Override
  64     protected void update(InstanceIdentifier<VpnToDpnList> identifier, VpnToDpnList original, VpnToDpnList update) {
  65         LOG.debug("Vpn dpn {} update detected, updating transport zones", update.getDpnId());
  66
  67         if (update.getVpnInterfaces() == null || update.getVpnInterfaces().isEmpty()) {
  68             LOG.debug("Vpn dpn {} doesn't contain any vpn interfaces", update.getDpnId());
  69             return;
  70         }
  71
  72         boolean shouldCreateVtep;
  73         if (original.getVpnInterfaces() != null && !original.getVpnInterfaces().isEmpty()) {
  74             shouldCreateVtep = transportZoneNotificationUtil.shouldCreateVtep(update.getVpnInterfaces().stream()
  75                     .filter(vi -> !original.getVpnInterfaces().contains(vi)).collect(Collectors.toList()));
  76         } else {
  77             shouldCreateVtep = transportZoneNotificationUtil.shouldCreateVtep(update.getVpnInterfaces());
  78         }
  79
  80         if (shouldCreateVtep) {
  81             String vrfId = identifier.firstKeyOf(VpnInstanceOpDataEntry.class).getVrfId();
  82             transportZoneNotificationUtil.updateTransportZone(vrfId, update.getDpnId());
  83         }
  84     }
  85
  86     @Override
  87     protected void add(InstanceIdentifier<VpnToDpnList> identifier, VpnToDpnList add) {
  88         LOG.debug("Vpn dpn {} add detected, updating transport zones", add.getDpnId());
  89
  90         boolean shouldCreateVtep = transportZoneNotificationUtil.shouldCreateVtep(add.getVpnInterfaces());
  91         if (shouldCreateVtep) {
  92             String vrfId = identifier.firstKeyOf(VpnInstanceOpDataEntry.class).getVrfId();
  93             transportZoneNotificationUtil.updateTransportZone(vrfId, add.getDpnId());
  94         }
  95     }
  96
  97     @Override
  98     protected VpnDpnToTransportZoneListener getDataTreeChangeListener() {
  99         return VpnDpnToTransportZoneListener.this;
 100     }
 101 }