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.impl.ItmUtils;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeBase;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.ExternalTunnelList;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.DPNTEPsInfo;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnel;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnelKey;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.TransportZones;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.TransportZone;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.TransportZoneKey;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.Subnets;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.subnets.DeviceVteps;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.subnets.Vteps;
  35 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 import com.google.common.util.concurrent.ListenableFuture;
  40
  41 public class ItmExternalTunnelDeleteWorker {
  42     private static final Logger logger = LoggerFactory.getLogger(ItmExternalTunnelDeleteWorker.class ) ;
  43
  44     public static List<ListenableFuture<Void>> deleteTunnels(DataBroker dataBroker, IdManagerService idManagerService, List<DPNTEPsInfo> dpnTepsList,IpAddress extIp, Class<? extends TunnelTypeBase> tunType ) {
  45         logger.trace( " Delete Tunnels towards DC Gateway with Ip  {}", extIp ) ;
  46         List<ListenableFuture<Void>> futures = new ArrayList<>();
  47         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  48
  49             if (dpnTepsList == null || dpnTepsList.size() == 0) {
  50                 logger.debug("no vtep to delete");
  51                 return null ;
  52             }
  53             for( DPNTEPsInfo teps : dpnTepsList) {
  54                 TunnelEndPoints firstEndPt = teps.getTunnelEndPoints().get(0) ;
  55                 if( firstEndPt.getTunnelType().equals(tunType)) {
  56                     String interfaceName = firstEndPt.getInterfaceName() ;
  57                     String trunkInterfaceName = ItmUtils.getTrunkInterfaceName(idManagerService, interfaceName,firstEndPt.getIpAddress().getIpv4Address().getValue(), extIp.getIpv4Address().getValue()) ;
  58                     InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
  59                     t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
  60
  61                     InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
  62                             ExternalTunnelList.class)
  63                                 .child(ExternalTunnel.class, getExternalTunnelKey(extIp.toString(), teps.getDPNID().toString()));
  64                     t.delete(LogicalDatastoreType.CONFIGURATION, path);
  65                     // Release the Ids for the trunk interface Name
  66                     ItmUtils.releaseIdForTrunkInterfaceName(idManagerService,interfaceName,firstEndPt.getIpAddress().getIpv4Address().getValue(), extIp.getIpv4Address().getValue() );
  67                 }
  68             }
  69             futures.add(t.submit()) ;
  70         return futures ;
  71     }
  72
  73     public static List<ListenableFuture<Void>> deleteHwVtepsTunnels(DataBroker dataBroker, IdManagerService idManagerService, List<DPNTEPsInfo> delDpnList ,List<HwVtep> cfgdHwVteps) {
  74         List<ListenableFuture<Void>> futures = new ArrayList<>();
  75         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  76         if (null != delDpnList) {
  77             tunnelsFromCSS(delDpnList, idManagerService , futures, t , dataBroker);
  78         }
  79         if (null != cfgdHwVteps) {
  80             tunnelsFromhWVtep(cfgdHwVteps, idManagerService, futures, t, dataBroker);
  81         }
  82
  83         if (delDpnList != null || cfgdHwVteps != null)
  84             futures.add(t.submit());
  85         return futures;
  86     }
  87
  88     private static void tunnelsFromCSS(List<DPNTEPsInfo> cfgdDpnList, IdManagerService idManagerService, List<ListenableFuture<Void>> futures, WriteTransaction t, DataBroker dataBroker) {
  89         for (DPNTEPsInfo dpn : cfgdDpnList) {
  90             if (dpn.getTunnelEndPoints() != null && !dpn.getTunnelEndPoints().isEmpty())
  91                 for (TunnelEndPoints srcTep : dpn.getTunnelEndPoints()) {
  92                     InstanceIdentifier<TransportZone> tzonePath = InstanceIdentifier.builder(TransportZones.class).child(TransportZone.class, new TransportZoneKey((srcTep.getTransportZone()))).build();
  93                     Optional<TransportZone> tZoneOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, tzonePath, dataBroker);
  94                     if (tZoneOptional.isPresent()) {
  95                         TransportZone tZone = tZoneOptional.get();
  96                         //do we need to check tunnel type?
  97                         if (tZone.getSubnets() != null && !tZone.getSubnets().isEmpty()) {
  98                             for (Subnets sub : tZone.getSubnets()) {
  99                                 if (sub.getDeviceVteps() != null && !sub.getDeviceVteps().isEmpty()) {
 100                                     for (DeviceVteps hwVtepDS : sub.getDeviceVteps()) {
 101                                         String cssID = dpn.getDPNID().toString();
 102                                         //CSS-TOR-CSS
 103                                         deleteTrunksCSSTOR(dataBroker, idManagerService, dpn.getDPNID(),
 104                                                         srcTep.getInterfaceName(), srcTep.getIpAddress(),
 105                                                         hwVtepDS.getTopologyId(), hwVtepDS.getNodeId(),
 106                                                         hwVtepDS.getIpAddress(), t, futures);
 107
 108                                     }
 109                                 }
 110                             }
 111                         }
 112                     }
 113                 }
 114         }
 115     }
 116
 117
 118
 119
 120
 121     private static void tunnelsFromhWVtep(List<HwVtep> cfgdHwVteps, IdManagerService idManagerService, List<ListenableFuture<Void>> futures, WriteTransaction t, DataBroker dataBroker) {
 122         for (HwVtep hwTep : cfgdHwVteps) {
 123             logger.trace("processing hwTep from list {}",hwTep);
 124             InstanceIdentifier<TransportZone> tzonePath = InstanceIdentifier.builder(TransportZones.class).child(TransportZone.class, new TransportZoneKey((hwTep.getTransportZone()))).build();
 125             Optional<TransportZone> tZoneOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, tzonePath, dataBroker);
 126             if (tZoneOptional.isPresent()) {
 127                 TransportZone tZone = tZoneOptional.get();
 128                 //do we need to check tunnel type?
 129                 logger.trace("subnets under tz {} are {}",tZone.getZoneName(),tZone.getSubnets());
 130                 if (tZone.getSubnets() != null && !tZone.getSubnets().isEmpty()) {
 131
 132                     for (Subnets sub : tZone.getSubnets()) {
 133                         if (sub.getDeviceVteps() != null && !sub.getDeviceVteps().isEmpty()) {
 134                             for (DeviceVteps hwVtepDS : sub.getDeviceVteps()) {
 135                                 logger.trace("hwtepDS exists {}",hwVtepDS);
 136                                 //do i need to check node-id?
 137                                 //for mlag case and non-m-lag case, isnt it enough to just check ipaddress?
 138                                 if (hwVtepDS.getIpAddress().equals(hwTep.getHwIp()))
 139                                     continue;//dont delete tunnels with self
 140                                 //TOR-TOR
 141                                 logger.trace("deleting tor-tor {} and {}",hwTep,hwVtepDS);
 142                                 deleteTrunksTORTOR(dataBroker, idManagerService, hwTep.getTopo_id(), hwTep.getNode_id(),
 143                                                 hwTep.getHwIp(), hwVtepDS.getTopologyId(), hwVtepDS.getNodeId(),
 144                                                 hwVtepDS.getIpAddress(), t, futures);
 145
 146                             }
 147                         }
 148                         if (sub.getVteps() != null && !sub.getVteps().isEmpty()) {
 149                             for (Vteps vtep : sub.getVteps()) {
 150                                 //TOR-CSS
 151                                 logger.trace("deleting tor-css-tor {} and {}",hwTep,vtep);
 152                                 String parentIf = ItmUtils.getInterfaceName(vtep.getDpnId(),vtep.getPortname(),sub.getVlanId());
 153                                 deleteTrunksCSSTOR(dataBroker,idManagerService,vtep.getDpnId(),parentIf,vtep.getIpAddress(),
 154                                                 hwTep.getTopo_id(),hwTep.getNode_id(),hwTep.getHwIp(),t,futures );
 155                             }
 156
 157                         }
 158                     }
 159                 }
 160             }
 161         }
 162     }
 163
 164
 165     private static void deleteTrunksCSSTOR(DataBroker dataBroker, IdManagerService idManagerService, BigInteger dpnid,
 166                     String interfaceName, IpAddress cssIpAddress, String topologyId, String nodeId, IpAddress hWIpAddress,
 167                     WriteTransaction t, List<ListenableFuture<Void>> futures) {
 168         //CSS-TOR
 169         if (trunkExists(dpnid.toString(), nodeId,dataBroker)) {
 170             logger.trace("deleting tunnel from {} to {} ", dpnid.toString(), nodeId);
 171             String parentIf = interfaceName;
 172             String fwdTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf,cssIpAddress.getIpv4Address().getValue(),
 173                             hWIpAddress.getIpv4Address().getValue());
 174             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(fwdTrunkIf);
 175             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 176
 177             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 178                             ExternalTunnelList.class)
 179                             .child(ExternalTunnel.class, getExternalTunnelKey(nodeId, dpnid.toString()));
 180             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 181         }
 182         else {
 183             logger.trace(" trunk from {} to {} already deleted",dpnid.toString(), nodeId);
 184         }
 185         //TOR-CSS
 186         if (trunkExists( nodeId, dpnid.toString(),dataBroker)) {
 187             logger.trace("deleting tunnel from {} to {} ",nodeId, dpnid.toString());
 188
 189             String parentIf = ItmUtils.getHwParentIf(topologyId,nodeId);
 190             String revTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf, hWIpAddress.getIpv4Address().getValue(),
 191                             cssIpAddress.getIpv4Address().getValue());
 192             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(revTrunkIf);
 193             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 194
 195             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 196                             ExternalTunnelList.class)
 197                             .child(ExternalTunnel.class, getExternalTunnelKey( dpnid.toString(),nodeId));
 198             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 199         }
 200         else {
 201             logger.trace(" trunk from {} to {} already deleted",  nodeId, dpnid.toString());
 202         }
 203     }
 204
 205     private static void deleteTrunksTORTOR(DataBroker dataBroker, IdManagerService idManagerService,
 206                     String topologyId1, String nodeId1, IpAddress hWIpAddress1, String topologyId2, String nodeId2, IpAddress hWIpAddress2,
 207                     WriteTransaction t, List<ListenableFuture<Void>> futures) {
 208         //TOR1-TOR2
 209         if (trunkExists(nodeId1, nodeId2,dataBroker)) {
 210             logger.trace("deleting tunnel from {} to {} ", nodeId1, nodeId2);
 211             String parentIf = ItmUtils.getHwParentIf(topologyId1,nodeId1);
 212             String fwdTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService, parentIf,
 213                             hWIpAddress1.getIpv4Address().getValue(), hWIpAddress2.getIpv4Address().getValue());
 214             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(fwdTrunkIf);
 215             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 216
 217             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 218                             ExternalTunnelList.class)
 219                             .child(ExternalTunnel.class, getExternalTunnelKey(nodeId2, nodeId1));
 220             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 221         }
 222         else {
 223             logger.trace(" trunk from {} to {} already deleted",nodeId1, nodeId2);
 224         }
 225         //TOR2-TOR1
 226         if (trunkExists( nodeId2, nodeId1,dataBroker)) {
 227             logger.trace("deleting tunnel from {} to {} ",nodeId2, nodeId1);
 228
 229             String parentIf = ItmUtils.getHwParentIf(topologyId2,nodeId2);
 230             String revTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf, hWIpAddress2.getIpv4Address().getValue(),
 231                             hWIpAddress1.getIpv4Address().getValue());
 232             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(revTrunkIf);
 233             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 234
 235             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 236                             ExternalTunnelList.class)
 237                             .child(ExternalTunnel.class, getExternalTunnelKey( nodeId1,nodeId2));
 238             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 239         }
 240         else {
 241             logger.trace(" trunk from {} to {} already deleted",nodeId2, nodeId1);
 242         }
 243     }
 244
 245     private static boolean trunkExists( String srcDpnOrNode,  String dstDpnOrNode, DataBroker dataBroker) {
 246         boolean existsFlag = false ;
 247         InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 248                         ExternalTunnelList.class)
 249                         .child(ExternalTunnel.class, getExternalTunnelKey(dstDpnOrNode, srcDpnOrNode));
 250         Optional<ExternalTunnel> exTunnels = ItmUtils.read(LogicalDatastoreType.CONFIGURATION,path, dataBroker) ;
 251         if( exTunnels.isPresent())
 252             existsFlag = true ;
 253         return existsFlag ;
 254     }
 255
 256     static ExternalTunnelKey getExternalTunnelKey(String dst , String src) {
 257         if (src.indexOf("physicalswitch") > 0) {
 258             src = src.substring(0, src.indexOf("physicalswitch") - 1);
 259         }
 260         if (dst.indexOf("physicalswitch") > 0) {
 261             dst = dst.substring(0, dst.indexOf("physicalswitch") - 1);
 262         }
 263         return new ExternalTunnelKey(dst, src);
 264     }
 265
 266
 267 }