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