itm/itm-impl/src/main/java/org/opendaylight/genius/itm/listeners/TransportZoneListener.java

   1 /*
   2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. 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.genius.itm.listeners;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.util.concurrent.CheckedFuture;
  13 import java.math.BigInteger;
  14 import java.util.ArrayList;
  15 import java.util.Collections;
  16 import java.util.List;
  17 import java.util.Map;
  18 import java.util.Set;
  19 import java.util.concurrent.ConcurrentHashMap;
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  23 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  24 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  25 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  26 import org.opendaylight.genius.itm.confighelpers.HwVtep;
  27 import org.opendaylight.genius.itm.confighelpers.ItmTepAddWorker;
  28 import org.opendaylight.genius.itm.confighelpers.ItmTepRemoveWorker;
  29 import org.opendaylight.genius.itm.impl.ITMManager;
  30 import org.opendaylight.genius.itm.impl.ItmUtils;
  31 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeBase;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfo;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.TransportZones;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.TransportZonesBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZone;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.Subnets;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.subnets.DeviceVteps;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.subnets.Vteps;
  44 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47
  48 /**
  49  * This class listens for interface creation/removal/update in Configuration DS.
  50  * This is used to handle interfaces for base of-ports.
  51  */
  52 public class TransportZoneListener extends AsyncDataTreeChangeListenerBase<TransportZone, TransportZoneListener> implements AutoCloseable{
  53     private static final Logger LOG = LoggerFactory.getLogger(TransportZoneListener.class);
  54     private DataBroker dataBroker;
  55     private IdManagerService idManagerService;
  56     private IMdsalApiManager mdsalManager;
  57     private ITMManager itmManager;
  58
  59     public TransportZoneListener(final DataBroker dataBroker, final IdManagerService idManagerService) {
  60         super(TransportZone.class, TransportZoneListener.class);
  61         this.dataBroker = dataBroker;
  62         this.idManagerService = idManagerService;
  63         initializeTZNode(dataBroker);
  64     }
  65
  66     public void setItmManager(ITMManager itmManager) {
  67         this.itmManager = itmManager;
  68     }
  69
  70     public void setMdsalManager(IMdsalApiManager mdsalManager) {
  71         this.mdsalManager = mdsalManager;
  72     }
  73
  74     private void initializeTZNode(DataBroker db) {
  75         ReadWriteTransaction transaction = db.newReadWriteTransaction();
  76         InstanceIdentifier<TransportZones> path = InstanceIdentifier.create(TransportZones.class);
  77         CheckedFuture<Optional<TransportZones>, ReadFailedException> tzones =
  78                 transaction.read(LogicalDatastoreType.CONFIGURATION,path);
  79         try {
  80             if (!tzones.get().isPresent()) {
  81                 TransportZonesBuilder tzb = new TransportZonesBuilder();
  82                 transaction.put(LogicalDatastoreType.CONFIGURATION,path,tzb.build());
  83                 transaction.submit();
  84             } else {
  85                 transaction.cancel();
  86             }
  87         } catch (Exception e) {
  88             LOG.error("Error initializing TransportZones {}",e);
  89         }
  90     }
  91
  92     @Override
  93     public void close() throws Exception {
  94         LOG.info("tzChangeListener Closed");
  95     }
  96     @Override
  97     protected InstanceIdentifier<TransportZone> getWildCardPath() {
  98         return InstanceIdentifier.create(TransportZones.class).child(TransportZone.class);
  99     }
 100
 101     @Override
 102     protected TransportZoneListener getDataTreeChangeListener() {
 103         return TransportZoneListener.this;
 104     }
 105
 106     @Override
 107     protected void remove(InstanceIdentifier<TransportZone> key, TransportZone tzOld) {
 108         LOG.debug("Received Transport Zone Remove Event: {}, {}", key, tzOld);
 109         List<DPNTEPsInfo> opDpnList = createDPNTepInfo(tzOld);
 110         List<HwVtep> hwVtepList = createhWVteps(tzOld);
 111         LOG.trace("Delete: Invoking deleteTunnels in ItmManager with DpnList {}", opDpnList);
 112         if(opDpnList.size()>0 || hwVtepList.size()>0) {
 113             LOG.trace("Delete: Invoking ItmManager");
 114             LOG.trace("Delete: Invoking ItmManager with hwVtep List {} " , hwVtepList);
 115             // itmManager.deleteTunnels(opDpnList);
 116             DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 117             ItmTepRemoveWorker removeWorker =
 118                     new ItmTepRemoveWorker(opDpnList, hwVtepList, tzOld, dataBroker, idManagerService, mdsalManager);
 119             coordinator.enqueueJob(tzOld.getZoneName(), removeWorker);
 120         }
 121     }
 122
 123     @Override
 124     protected void update(InstanceIdentifier<TransportZone> key, TransportZone tzOld, TransportZone tzNew) {
 125         LOG.debug("Received Transport Zone Update Event: Key - {}, Old - {}, Updated - {}", key, tzOld, tzNew);
 126         //if( !(tzOld.equals(tzNew))) {
 127         //add(key, tzNew);
 128         List<DPNTEPsInfo> oldDpnTepsList = new ArrayList<>();
 129         oldDpnTepsList = createDPNTepInfo(tzOld);
 130         List<DPNTEPsInfo> newDpnTepsList = new ArrayList<>();
 131         newDpnTepsList = createDPNTepInfo(tzNew);
 132         List<DPNTEPsInfo> oldDpnTepsListcopy = new ArrayList<>();
 133         oldDpnTepsListcopy.addAll(oldDpnTepsList);
 134         LOG.trace("oldcopy0" + oldDpnTepsListcopy);
 135         List<DPNTEPsInfo> newDpnTepsListcopy = new ArrayList<>();
 136         newDpnTepsListcopy.addAll(newDpnTepsList);
 137         LOG.trace("newcopy0" + newDpnTepsListcopy);
 138         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 139
 140         oldDpnTepsList.removeAll(newDpnTepsListcopy);
 141         newDpnTepsList.removeAll(oldDpnTepsListcopy);
 142
 143         LOG.trace("oldDpnTepsList" + oldDpnTepsList);
 144         LOG.trace("newDpnTepsList" + newDpnTepsList);
 145         LOG.trace("oldcopy"+oldDpnTepsListcopy);
 146         LOG.trace("newcopy"+newDpnTepsListcopy);
 147         LOG.trace("oldcopy Size "+oldDpnTepsList.size());
 148         LOG.trace("newcopy Size "+newDpnTepsList.size());
 149         if(newDpnTepsList.size() > 0) {
 150             LOG.trace( "Adding TEPs " );
 151             ItmTepAddWorker addWorker = new ItmTepAddWorker(newDpnTepsList, Collections.<HwVtep>emptyList(), dataBroker, idManagerService, mdsalManager);
 152             coordinator.enqueueJob(tzNew.getZoneName(), addWorker);
 153         }
 154         if(oldDpnTepsList.size() > 0) {
 155             LOG.trace( "Removing TEPs " );
 156             ItmTepRemoveWorker removeWorker = new ItmTepRemoveWorker(oldDpnTepsList, Collections.<HwVtep>emptyList(),
 157                     tzOld, dataBroker, idManagerService, mdsalManager);
 158             coordinator.enqueueJob(tzNew.getZoneName(), removeWorker);
 159         }
 160         List<HwVtep> oldHwList = new ArrayList<>();
 161         oldHwList = createhWVteps(tzOld);
 162         List<HwVtep> newHwList = new ArrayList<>();
 163         newHwList =  createhWVteps(tzNew);
 164         List<HwVtep> oldHwListcopy = new ArrayList<>();
 165         oldHwListcopy.addAll(oldHwList);
 166         LOG.trace("oldHwListcopy0" + oldHwListcopy);
 167         List<HwVtep> newHwListcopy = new ArrayList<>();
 168         newHwListcopy.addAll(newHwList);
 169         LOG.trace("newHwListcopy0" + newHwListcopy);
 170
 171         oldHwList.removeAll(newHwListcopy);
 172         newHwList.removeAll(oldHwListcopy);
 173         LOG.trace("oldHwList" + oldHwList);
 174         LOG.trace("newHwList" + newHwList);
 175         LOG.trace("oldHwListcopy" + oldHwListcopy);
 176         LOG.trace("newHwListcopy" + newHwListcopy);
 177         if(newHwList.size() > 0) {
 178             LOG.trace( "Adding HW TEPs " );
 179             ItmTepAddWorker addWorker = new ItmTepAddWorker(Collections.<DPNTEPsInfo>emptyList(), newHwList, dataBroker, idManagerService, mdsalManager);
 180             coordinator.enqueueJob(tzNew.getZoneName(), addWorker);
 181         }
 182         if (oldHwList.size() > 0) {
 183             LOG.trace("Removing HW TEPs ");
 184             ItmTepRemoveWorker removeWorker = new ItmTepRemoveWorker(Collections.<DPNTEPsInfo>emptyList(), oldHwList,
 185                     tzOld, dataBroker, idManagerService, mdsalManager);
 186             coordinator.enqueueJob(tzNew.getZoneName(), removeWorker);
 187         }
 188
 189     }
 190
 191     @Override
 192     protected void add(InstanceIdentifier<TransportZone> key, TransportZone tzNew) {
 193         LOG.debug("Received Transport Zone Add Event: {}, {}", key, tzNew);
 194         List<DPNTEPsInfo> opDpnList = createDPNTepInfo(tzNew);
 195         List<HwVtep> hwVtepList = createhWVteps(tzNew);
 196         LOG.trace("Add: Operational dpnTepInfo - Before invoking ItmManager {}", opDpnList);
 197         if(opDpnList.size()>0 || hwVtepList.size()>0) {
 198             LOG.trace("Add: Invoking ItmManager with DPN List {} " , opDpnList);
 199             LOG.trace("Add: Invoking ItmManager with hwVtep List {} " , hwVtepList);
 200             //itmManager.build_all_tunnels(opDpnList);
 201             DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 202             ItmTepAddWorker addWorker = new ItmTepAddWorker(opDpnList, hwVtepList, dataBroker, idManagerService, mdsalManager);
 203             coordinator.enqueueJob(tzNew.getZoneName(), addWorker);
 204         }
 205     }
 206
 207     private List<DPNTEPsInfo> createDPNTepInfo(TransportZone transportZone){
 208
 209         Map<BigInteger, List<TunnelEndPoints>> mapDPNToTunnelEndpt = new ConcurrentHashMap<>();
 210         List<DPNTEPsInfo> dpnTepInfo = new ArrayList<>();
 211         // List<TransportZone> transportZoneList = transportZones.getTransportZone();
 212         // for(TransportZone transportZone : transportZoneList) {
 213         String zone_name = transportZone.getZoneName();
 214         Class<? extends TunnelTypeBase> tunnel_type = transportZone.getTunnelType();
 215         LOG.trace("Transport Zone_name: {}", zone_name);
 216         List<Subnets> subnetsList = transportZone.getSubnets();
 217         if(subnetsList!=null){
 218             for (Subnets subnet : subnetsList) {
 219                 IpPrefix ipPrefix = subnet.getPrefix();
 220                 IpAddress gatewayIP = subnet.getGatewayIp();
 221                 int vlanID = subnet.getVlanId();
 222                 LOG.trace("IpPrefix: {}, gatewayIP: {}, vlanID: {} ", ipPrefix, gatewayIP, vlanID);
 223                 List<Vteps> vtepsList = subnet.getVteps();
 224                 if(vtepsList!=null && !vtepsList.isEmpty()) {
 225                     for (Vteps vteps : vtepsList) {
 226                         BigInteger dpnID = vteps.getDpnId();
 227                         String port = vteps.getPortname();
 228                         IpAddress ipAddress = vteps.getIpAddress();
 229                         LOG.trace("DpnID: {}, port: {}, ipAddress: {}", dpnID, port, ipAddress);
 230                         TunnelEndPoints tunnelEndPoints =
 231                                 ItmUtils.createTunnelEndPoints(dpnID, ipAddress, port, vlanID, ipPrefix,
 232                                         gatewayIP, zone_name, tunnel_type);
 233                         List<TunnelEndPoints> tunnelEndPointsList = mapDPNToTunnelEndpt.get(dpnID);
 234                         if (tunnelEndPointsList != null) {
 235                             LOG.trace("Existing DPN info list in the Map: {} ", dpnID);
 236                             tunnelEndPointsList.add(tunnelEndPoints);
 237                         } else {
 238                             LOG.trace("Adding new DPN info list to the Map: {} ", dpnID);
 239                             tunnelEndPointsList = new ArrayList<>();
 240                             tunnelEndPointsList.add(tunnelEndPoints);
 241                             mapDPNToTunnelEndpt.put(dpnID, tunnelEndPointsList);
 242                         }
 243                     }
 244                 }
 245             }
 246         }
 247         //}
 248         if(mapDPNToTunnelEndpt.size()>0){
 249             Set<BigInteger> keys = mapDPNToTunnelEndpt.keySet();
 250             LOG.trace("List of dpns in the Map: {} ", keys);
 251             for(BigInteger key: keys){
 252                 DPNTEPsInfo newDpnTepsInfo = ItmUtils.createDPNTepInfo(key, mapDPNToTunnelEndpt.get(key));
 253                 dpnTepInfo.add(newDpnTepsInfo);
 254             }
 255         }
 256         return dpnTepInfo;
 257     }
 258     private List<HwVtep> createhWVteps(TransportZone transportZone) {
 259         //creating hwVtepsList to pass
 260         //Inventory model would deprecate Eventually, so not creating hWvtepslist under createDpnTepInfo();
 261         List<HwVtep> hwVtepsList = new ArrayList<>();
 262         //currently the list has only one object always since we are adding L2Gws one by one and only to One TransportZone.
 263         //Map<BigInteger, List<TunnelEndPoints>> mapDPNToTunnelEndpt = new ConcurrentHashMap<>();
 264
 265         String zone_name = transportZone.getZoneName();
 266         Class<? extends TunnelTypeBase> tunnel_type = transportZone.getTunnelType();
 267         LOG.trace("Transport Zone_name: {}", zone_name);
 268         List<Subnets> subnetsList = transportZone.getSubnets();
 269         if (subnetsList != null) {
 270             for (Subnets subnet : subnetsList) {
 271                 IpPrefix ipPrefix = subnet.getPrefix();
 272                 IpAddress gatewayIP = subnet.getGatewayIp();
 273                 int vlanID = subnet.getVlanId();
 274                 LOG.trace("IpPrefix: {}, gatewayIP: {}, vlanID: {} ", ipPrefix, gatewayIP, vlanID);
 275                 List<DeviceVteps> deviceVtepsList = subnet.getDeviceVteps();
 276                 if (deviceVtepsList != null) {
 277                     for (DeviceVteps vteps : deviceVtepsList) {
 278                         String topo_id = vteps.getTopologyId();
 279                         String node_id = vteps.getNodeId();
 280                         IpAddress ipAddress = vteps.getIpAddress();
 281                         LOG.trace("topo-id: {}, node-id: {}, ipAddress: {}", topo_id, node_id, ipAddress);
 282                         //TunnelEndPoints tunnelEndPoints = ItmUtils.createTunnelEndPoints(dpnID, ipAddress, port, vlanID, ipPrefix, gatewayIP, zone_name, tunnel_type);
 283                         HwVtep hwVtep = ItmUtils.createHwVtepObject(topo_id, node_id, ipAddress, ipPrefix, gatewayIP, vlanID, tunnel_type, transportZone);
 284
 285                         if (hwVtepsList != null) {
 286                             LOG.trace("Existing hwVteps");
 287                             hwVtepsList.add(hwVtep);
 288                         } else {
 289                             LOG.trace("Adding new HwVtep {} info ", hwVtep.getHwIp());
 290                             hwVtepsList.add(hwVtep);
 291                         }
 292                     }
 293                 }
 294             }
 295         }
 296         LOG.trace("returning hwvteplist {}", hwVtepsList);
 297         return hwVtepsList;
 298     }
 299 }