itm/itm-impl/src/main/java/org/opendaylight/vpnservice/itm/confighelpers/ItmExternalTunnelDeleteWorker.java

   1 /*
   2  * Copyright (c) 2015, 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 package org.opendaylight.vpnservice.itm.confighelpers;
   9
  10 import java.math.BigInteger;
  11 import java.util.ArrayList;
  12 import java.util.List;
  13
  14 import com.google.common.base.Optional;
  15
  16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  17 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  19 import org.opendaylight.vpnservice.itm.globals.ITMConstants;
  20 import org.opendaylight.vpnservice.itm.impl.ItmUtils;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeBase;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeGre;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeVxlan;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.ExternalTunnelList;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.DPNTEPsInfo;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnel;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnelKey;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.TransportZones;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.TransportZone;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.TransportZoneKey;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.Subnets;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.subnets.DeviceVteps;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.subnets.Vteps;
  38 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 import com.google.common.util.concurrent.ListenableFuture;
  43
  44 public class ItmExternalTunnelDeleteWorker {
  45     private static final Logger logger = LoggerFactory.getLogger(ItmExternalTunnelDeleteWorker.class ) ;
  46
  47     public static List<ListenableFuture<Void>> deleteTunnels(DataBroker dataBroker, IdManagerService idManagerService, List<DPNTEPsInfo> dpnTepsList,IpAddress extIp, Class<? extends TunnelTypeBase> tunType ) {
  48         logger.trace( " Delete Tunnels towards DC Gateway with Ip  {}", extIp ) ;
  49         List<ListenableFuture<Void>> futures = new ArrayList<>();
  50         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  51
  52             if (dpnTepsList == null || dpnTepsList.size() == 0) {
  53                 logger.debug("no vtep to delete");
  54                 return null ;
  55             }
  56             for( DPNTEPsInfo teps : dpnTepsList) {
  57                 TunnelEndPoints firstEndPt = teps.getTunnelEndPoints().get(0) ;
  58                     String interfaceName = firstEndPt.getInterfaceName() ;
  59                     String trunkInterfaceName = ItmUtils.getTrunkInterfaceName( idManagerService, interfaceName,
  60                                                                                 firstEndPt.getIpAddress().getIpv4Address().getValue(),
  61                                                                                 extIp.getIpv4Address().getValue(),
  62                                                                                 tunType.getName());
  63                     InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
  64                     t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
  65                     ItmUtils.itmCache.removeInterface(trunkInterfaceName);
  66
  67                     InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
  68                             ExternalTunnelList.class)
  69                                 .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(extIp.toString(),
  70                                                                                     teps.getDPNID().toString(),
  71                                                                                     tunType));
  72                     t.delete(LogicalDatastoreType.CONFIGURATION, path);
  73                     logger.debug( "Deleting tunnel towards DC gateway, Tunnel interface name {} ",trunkInterfaceName );
  74                     ItmUtils.itmCache.removeExternalTunnel(trunkInterfaceName);
  75                     // Release the Ids for the trunk interface Name
  76                     ItmUtils.releaseIdForTrunkInterfaceName(idManagerService,interfaceName,firstEndPt.getIpAddress().getIpv4Address().getValue(), extIp.getIpv4Address().getValue(),tunType.getName());
  77                 }
  78             futures.add(t.submit()) ;
  79         return futures ;
  80     }
  81
  82     public static List<ListenableFuture<Void>> deleteHwVtepsTunnels(DataBroker dataBroker, IdManagerService idManagerService, List<DPNTEPsInfo> delDpnList ,List<HwVtep> cfgdHwVteps) {
  83         List<ListenableFuture<Void>> futures = new ArrayList<>();
  84         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  85
  86         if (delDpnList != null || cfgdHwVteps != null)
  87             tunnelsDeletion(delDpnList, cfgdHwVteps, idManagerService, futures, t, dataBroker);
  88             futures.add(t.submit());
  89         return futures;
  90     }
  91
  92     private static void tunnelsDeletion(List<DPNTEPsInfo> cfgdDpnList, List<HwVtep> cfgdhwVteps, IdManagerService idManagerService, List<ListenableFuture<Void>> futures, WriteTransaction t, DataBroker dataBroker) {
  93         if (cfgdDpnList != null && !cfgdDpnList.isEmpty()) {
  94         for (DPNTEPsInfo dpn : cfgdDpnList) {
  95             if (dpn.getTunnelEndPoints() != null && !dpn.getTunnelEndPoints().isEmpty())
  96                 for (TunnelEndPoints srcTep : dpn.getTunnelEndPoints()) {
  97                         InstanceIdentifier<TransportZone> tzonePath = InstanceIdentifier.builder(TransportZones.class)
  98                                         .child(TransportZone.class, new TransportZoneKey((srcTep.getTransportZone())))
  99                                         .build();
 100                     Optional<TransportZone> tZoneOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, tzonePath, dataBroker);
 101                     if (tZoneOptional.isPresent()) {
 102                         TransportZone tZone = tZoneOptional.get();
 103                         //do we need to check tunnel type?
 104                         if (tZone.getSubnets() != null && !tZone.getSubnets().isEmpty()) {
 105                             for (Subnets sub : tZone.getSubnets()) {
 106                                 if (sub.getDeviceVteps() != null && !sub.getDeviceVteps().isEmpty()) {
 107                                     for (DeviceVteps hwVtepDS : sub.getDeviceVteps()) {
 108                                         String cssID = dpn.getDPNID().toString();
 109                                         //CSS-TOR-CSS
 110                                             deleteTrunksCSSTOR(dataBroker, idManagerService, dpn.getDPNID(), srcTep.getInterfaceName(), srcTep.getIpAddress(),
 111                                                             hwVtepDS.getTopologyId(), hwVtepDS.getNodeId(), hwVtepDS.getIpAddress(), tZone.getTunnelType(),
 112                                                             t, futures);
 113                                         }
 114                                     }
 115                                 }
 116                             }
 117                             if (cfgdhwVteps != null && !cfgdhwVteps.isEmpty()) {
 118                                 for (HwVtep hwVtep : cfgdhwVteps) {
 119                                     deleteTrunksCSSTOR(dataBroker, idManagerService, dpn.getDPNID(), srcTep.getInterfaceName(), srcTep.getIpAddress(),
 120                                                     hwVtep.getTopo_id(), hwVtep.getNode_id(), hwVtep.getHwIp(),
 121                                                     TunnelTypeVxlan.class, t, futures);
 122                                 }
 123                             }
 124                         }
 125                     }
 126             }
 127         }
 128             if (cfgdhwVteps != null && !cfgdhwVteps.isEmpty()) {
 129                 for (HwVtep hwTep : cfgdhwVteps) {
 130                     logger.trace("processing hwTep from list {}", hwTep);
 131                     for (HwVtep hwTepRemote : cfgdhwVteps) {
 132                         if (!hwTep.getHwIp().equals(hwTepRemote.getHwIp())) {
 133                             deleteTrunksTORTOR(dataBroker, idManagerService, hwTep.getTopo_id(), hwTep.getNode_id(),
 134                                     hwTep.getHwIp(), hwTepRemote.getTopo_id(), hwTepRemote.getNode_id(),
 135                                     hwTepRemote.getHwIp(), TunnelTypeVxlan.class, t, futures);
 136                         }
 137                     }
 138                     InstanceIdentifier<TransportZone> tzonePath = InstanceIdentifier.builder(TransportZones.class)
 139                             .child(TransportZone.class, new TransportZoneKey((hwTep.getTransportZone()))).build();
 140                     Optional<TransportZone> tZoneOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, tzonePath, dataBroker);
 141                     if (tZoneOptional.isPresent()) {
 142                         TransportZone tZone = tZoneOptional.get();
 143                         logger.trace("subnets under tz {} are {}", tZone.getZoneName(), tZone.getSubnets());
 144                         if (tZone.getSubnets() != null && !tZone.getSubnets().isEmpty()) {
 145                             for (Subnets sub : tZone.getSubnets()) {
 146                                 if (sub.getDeviceVteps() != null && !sub.getDeviceVteps().isEmpty()) {
 147                                     for (DeviceVteps hwVtepDS : sub.getDeviceVteps()) {
 148                                         logger.trace("hwtepDS exists {}", hwVtepDS);
 149                                         if (hwVtepDS.getIpAddress().equals(hwTep.getHwIp()))
 150                                             continue;//dont delete tunnels with self
 151                                         logger.trace("deleting tor-tor {} and {}", hwTep, hwVtepDS);
 152                                         deleteTrunksTORTOR(dataBroker, idManagerService, hwTep.getTopo_id(), hwTep.getNode_id(),
 153                                                 hwTep.getHwIp(), hwVtepDS.getTopologyId(), hwVtepDS.getNodeId(),
 154                                                 hwVtepDS.getIpAddress(), tZone.getTunnelType(),
 155                                                 t, futures);
 156
 157                                     }
 158                                 }
 159                                 if (sub.getVteps() != null && !sub.getVteps().isEmpty()) {
 160                                     for (Vteps vtep : sub.getVteps()) {
 161                                         logger.trace("deleting tor-css-tor {} and {}", hwTep, vtep);
 162                                         String parentIf = ItmUtils.getInterfaceName(vtep.getDpnId(), vtep.getPortname(), sub.getVlanId());
 163                                         deleteTrunksCSSTOR(dataBroker, idManagerService, vtep.getDpnId(), parentIf, vtep.getIpAddress(),
 164                                                 hwTep.getTopo_id(), hwTep.getNode_id(), hwTep.getHwIp(),
 165                                                 tZone.getTunnelType(), t, futures);
 166                                     }
 167                                 }
 168                             }
 169                         }
 170                     }
 171                 }
 172         }
 173     }
 174
 175
 176
 177
 178
 179                 //do we need to check tunnel type?
 180
 181                                 //do i need to check node-id?
 182                                 //for mlag case and non-m-lag case, isnt it enough to just check ipaddress?
 183                                 //TOR-TOR
 184
 185                                 //TOR-CSS
 186
 187
 188
 189     private static void deleteTrunksCSSTOR(DataBroker dataBroker, IdManagerService idManagerService, BigInteger dpnid,
 190                     String interfaceName, IpAddress cssIpAddress, String topologyId, String nodeId, IpAddress hWIpAddress,
 191                                            Class<? extends TunnelTypeBase> tunType, WriteTransaction t,
 192                                            List<ListenableFuture<Void>> futures) {
 193         //CSS-TOR
 194         if (trunkExists(dpnid.toString(), nodeId, tunType, dataBroker)) {
 195             logger.trace("deleting tunnel from {} to {} ", dpnid.toString(), nodeId);
 196             String parentIf = interfaceName;
 197             String fwdTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf,cssIpAddress.getIpv4Address().getValue(),
 198                             hWIpAddress.getIpv4Address().getValue(), tunType.getName());
 199             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(fwdTrunkIf);
 200             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 201
 202             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 203                             ExternalTunnelList.class)
 204                             .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId, dpnid.toString(), tunType));
 205             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 206         }
 207         else {
 208             logger.trace(" trunk from {} to {} already deleted",dpnid.toString(), nodeId);
 209         }
 210         //TOR-CSS
 211         if (trunkExists( nodeId, dpnid.toString(), tunType, dataBroker)) {
 212             logger.trace("deleting tunnel from {} to {} ",nodeId, dpnid.toString());
 213
 214             String parentIf = ItmUtils.getHwParentIf(topologyId,nodeId);
 215             String revTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf, hWIpAddress.getIpv4Address().getValue(),
 216                             cssIpAddress.getIpv4Address().getValue(), tunType.getName());
 217             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(revTrunkIf);
 218             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 219
 220             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 221                             ExternalTunnelList.class)
 222                             .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(dpnid.toString(),nodeId, tunType));
 223             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 224         }
 225         else {
 226             logger.trace(" trunk from {} to {} already deleted",  nodeId, dpnid.toString());
 227         }
 228     }
 229
 230     private static void deleteTrunksTORTOR(DataBroker dataBroker, IdManagerService idManagerService,
 231                     String topologyId1, String nodeId1, IpAddress hWIpAddress1, String topologyId2, String nodeId2, IpAddress hWIpAddress2,
 232                                            Class<? extends TunnelTypeBase> tunType, WriteTransaction t, List<ListenableFuture<Void>> futures) {
 233         //TOR1-TOR2
 234         if (trunkExists(nodeId1, nodeId2, tunType, dataBroker)) {
 235             logger.trace("deleting tunnel from {} to {} ", nodeId1, nodeId2);
 236             String parentIf = ItmUtils.getHwParentIf(topologyId1,nodeId1);
 237             String fwdTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService, parentIf,
 238                                                                 hWIpAddress1.getIpv4Address().getValue(),
 239                                                                 hWIpAddress2.getIpv4Address().getValue(),
 240                                                                 tunType.getName());
 241             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(fwdTrunkIf);
 242             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 243
 244             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 245                             ExternalTunnelList.class)
 246                             .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId2, nodeId1, tunType));
 247             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 248         }
 249         else {
 250             logger.trace(" trunk from {} to {} already deleted",nodeId1, nodeId2);
 251         }
 252         //TOR2-TOR1
 253         if (trunkExists( nodeId2, nodeId1, tunType, dataBroker)) {
 254             logger.trace("deleting tunnel from {} to {} ",nodeId2, nodeId1);
 255
 256             String parentIf = ItmUtils.getHwParentIf(topologyId2,nodeId2);
 257             String revTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf, hWIpAddress2.getIpv4Address().getValue(),
 258                                                                 hWIpAddress1.getIpv4Address().getValue(), tunType.getName());
 259             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(revTrunkIf);
 260             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 261
 262             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 263                             ExternalTunnelList.class)
 264                             .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId1,nodeId2, tunType));
 265             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 266         }
 267         else {
 268             logger.trace(" trunk from {} to {} already deleted",nodeId2, nodeId1);
 269         }
 270     }
 271
 272     private static boolean trunkExists( String srcDpnOrNode,  String dstDpnOrNode,
 273                                         Class<? extends TunnelTypeBase> tunType,DataBroker dataBroker) {
 274         boolean existsFlag = false ;
 275         InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 276                         ExternalTunnelList.class)
 277                         .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(dstDpnOrNode, srcDpnOrNode, tunType));
 278         Optional<ExternalTunnel> exTunnels = ItmUtils.read(LogicalDatastoreType.CONFIGURATION,path, dataBroker) ;
 279         if( exTunnels.isPresent()) {
 280             existsFlag = true ;
 281     }
 282         return existsFlag ;
 283     }
 284
 285
 286 }