itm/itm-impl/src/main/java/org/opendaylight/genius/itm/confighelpers/ItmExternalTunnelDeleteWorker.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 package org.opendaylight.genius.itm.confighelpers;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import java.math.BigInteger;
  13 import java.util.ArrayList;
  14 import java.util.List;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.genius.itm.impl.ItmUtils;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeBase;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeVxlan;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.ExternalTunnelList;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfo;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.dpn.teps.info.tunnel.end.points.TzMembership;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list.ExternalTunnel;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.Itm;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.TransportZones;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZone;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZoneKey;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.Subnets;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.subnets.DeviceVteps;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.subnets.Vteps;
  36 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 public class ItmExternalTunnelDeleteWorker {
  41     private static final Logger logger = LoggerFactory.getLogger(ItmExternalTunnelDeleteWorker.class ) ;
  42
  43     public static List<ListenableFuture<Void>> deleteTunnels(DataBroker dataBroker, IdManagerService idManagerService, List<DPNTEPsInfo> dpnTepsList,List<DPNTEPsInfo> meshedDpnList, IpAddress extIp, Class<? extends TunnelTypeBase> tunType ) {
  44         logger.trace( " Delete Tunnels towards DC Gateway with Ip  {}", extIp ) ;
  45         List<ListenableFuture<Void>> futures = new ArrayList<>();
  46         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  47
  48         if (dpnTepsList == null || dpnTepsList.size() == 0) {
  49             logger.debug("no vtep to delete");
  50             return null ;
  51         }
  52         for( DPNTEPsInfo teps : dpnTepsList) {
  53             TunnelEndPoints firstEndPt = teps.getTunnelEndPoints().get(0);
  54             // The membership in the listener will always be 1, to get the actual membership read from the DS
  55             List<TzMembership> originalTzMembership = ItmUtils.getOriginalTzMembership(firstEndPt,teps.getDPNID(),meshedDpnList);
  56             if (originalTzMembership.size() == 1) {
  57                 String interfaceName = firstEndPt.getInterfaceName();
  58                 String trunkInterfaceName = ItmUtils.getTrunkInterfaceName(idManagerService, interfaceName,
  59                         firstEndPt.getIpAddress().getIpv4Address().getValue(),
  60                         extIp.getIpv4Address().getValue(),
  61                         tunType.getName());
  62                 InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
  63                 t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
  64                 ItmUtils.itmCache.removeInterface(trunkInterfaceName);
  65
  66                 InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
  67                         ExternalTunnelList.class)
  68                         .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(extIp.toString(),
  69                                 teps.getDPNID().toString(),
  70                                 tunType));
  71                 t.delete(LogicalDatastoreType.CONFIGURATION, path);
  72                 logger.debug("Deleting tunnel towards DC gateway, Tunnel interface name {} ", trunkInterfaceName);
  73                 ItmUtils.itmCache.removeExternalTunnel(trunkInterfaceName);
  74                 // Release the Ids for the trunk interface Name
  75                 ItmUtils.releaseIdForTrunkInterfaceName(idManagerService, interfaceName, firstEndPt.getIpAddress().getIpv4Address().getValue(), extIp.getIpv4Address().getValue(), tunType.getName());
  76             }
  77         }
  78         futures.add(t.submit()) ;
  79         return futures ;
  80     }
  81
  82     public static List<ListenableFuture<Void>> deleteTunnels(DataBroker dataBroker, IdManagerService idManagerService, List<DPNTEPsInfo> dpnTepsList, IpAddress extIp, Class<? extends TunnelTypeBase> tunType ) {
  83         logger.trace( " Delete Tunnels towards DC Gateway with Ip  {}", extIp ) ;
  84         List<ListenableFuture<Void>> futures = new ArrayList<>();
  85         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  86
  87         if (dpnTepsList == null || dpnTepsList.size() == 0) {
  88             logger.debug("no vtep to delete");
  89             return null ;
  90         }
  91         for( DPNTEPsInfo teps : dpnTepsList) {
  92             TunnelEndPoints firstEndPt = teps.getTunnelEndPoints().get(0);
  93             String interfaceName = firstEndPt.getInterfaceName();
  94             String trunkInterfaceName = ItmUtils.getTrunkInterfaceName(idManagerService, interfaceName,
  95                         firstEndPt.getIpAddress().getIpv4Address().getValue(),
  96                         extIp.getIpv4Address().getValue(),
  97                         tunType.getName());
  98             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
  99             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 100             ItmUtils.itmCache.removeInterface(trunkInterfaceName);
 101
 102             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 103                         ExternalTunnelList.class)
 104                         .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(extIp.toString(),
 105                                 teps.getDPNID().toString(),
 106                                 tunType));
 107             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 108             logger.debug("Deleting tunnel towards DC gateway, Tunnel interface name {} ", trunkInterfaceName);
 109             ItmUtils.itmCache.removeExternalTunnel(trunkInterfaceName);
 110             // Release the Ids for the trunk interface Name
 111             ItmUtils.releaseIdForTrunkInterfaceName(idManagerService, interfaceName, firstEndPt.getIpAddress().getIpv4Address().getValue(), extIp.getIpv4Address().getValue(), tunType.getName());
 112         }
 113         futures.add(t.submit()) ;
 114         return futures ;
 115     }
 116
 117     public static List<ListenableFuture<Void>> deleteHwVtepsTunnels(DataBroker dataBroker,
 118             IdManagerService idManagerService, List<DPNTEPsInfo> delDpnList, List<HwVtep> cfgdHwVteps,
 119             TransportZone originalTZone) {
 120         List<ListenableFuture<Void>> futures = new ArrayList<>();
 121         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 122
 123         if (delDpnList != null || cfgdHwVteps != null) {
 124             tunnelsDeletion(delDpnList, cfgdHwVteps, originalTZone, idManagerService, futures, t, dataBroker);
 125         }
 126         futures.add(t.submit());
 127         return futures;
 128     }
 129
 130     private static void tunnelsDeletion(List<DPNTEPsInfo> cfgdDpnList, List<HwVtep> cfgdhwVteps,
 131             TransportZone originalTZone, IdManagerService idManagerService, List<ListenableFuture<Void>> futures,
 132             WriteTransaction t, DataBroker dataBroker) {
 133         if (cfgdDpnList != null) {
 134             for (DPNTEPsInfo dpn : cfgdDpnList) {
 135                 if (dpn.getTunnelEndPoints() != null) {
 136                     for (TunnelEndPoints srcTep : dpn.getTunnelEndPoints()) {
 137                         for(TzMembership zone: srcTep.getTzMembership()) {
 138                             deleteTunnelsInTransportZone(zone.getZoneName(), dpn, srcTep, cfgdhwVteps, dataBroker,
 139                                     idManagerService, t, futures);
 140                         }
 141                     }
 142                 }
 143             }
 144         }
 145
 146         if (cfgdhwVteps != null && !cfgdhwVteps.isEmpty()) {
 147             for (HwVtep hwTep : cfgdhwVteps) {
 148                 logger.trace("processing hwTep from list {}", hwTep);
 149                 for (HwVtep hwTepRemote : cfgdhwVteps) {
 150                     if (!hwTep.getHwIp().equals(hwTepRemote.getHwIp())) {
 151                         deleteTrunksTORTOR(dataBroker, idManagerService, hwTep.getTopo_id(), hwTep.getNode_id(),
 152                                 hwTep.getHwIp(), hwTepRemote.getTopo_id(), hwTepRemote.getNode_id(),
 153                                 hwTepRemote.getHwIp(), TunnelTypeVxlan.class, t, futures);
 154                     }
 155                 }
 156                 //do we need to check tunnel type?
 157                 logger.trace("subnets under tz {} are {}", originalTZone.getZoneName(), originalTZone.getSubnets());
 158                 if (originalTZone.getSubnets() != null && !originalTZone.getSubnets().isEmpty()) {
 159
 160                     for (Subnets sub : originalTZone.getSubnets()) {
 161                         if (sub.getDeviceVteps() != null && !sub.getDeviceVteps().isEmpty()) {
 162                             for (DeviceVteps hwVtepDS : sub.getDeviceVteps()) {
 163                                 logger.trace("hwtepDS exists {}", hwVtepDS);
 164                                 //do i need to check node-id?
 165                                 //for mlag case and non-m-lag case, isnt it enough to just check ipaddress?
 166                                 if (hwVtepDS.getIpAddress().equals(hwTep.getHwIp()))
 167                                  {
 168                                     continue;//dont delete tunnels with self
 169                                 }
 170                                 //TOR-TOR
 171                                 logger.trace("deleting tor-tor {} and {}", hwTep, hwVtepDS);
 172                                 deleteTrunksTORTOR(dataBroker, idManagerService, hwTep.getTopo_id(), hwTep.getNode_id(),
 173                                         hwTep.getHwIp(), hwVtepDS.getTopologyId(), hwVtepDS.getNodeId(),
 174                                         hwVtepDS.getIpAddress(), originalTZone.getTunnelType(),
 175                                         t, futures);
 176
 177                             }
 178                         }
 179                         if (sub.getVteps() != null && !sub.getVteps().isEmpty()) {
 180                             for (Vteps vtep : sub.getVteps()) {
 181                                 //TOR-CSS
 182                                 logger.trace("deleting tor-css-tor {} and {}", hwTep, vtep);
 183                                 String parentIf = ItmUtils.getInterfaceName(vtep.getDpnId(), vtep.getPortname(), sub.getVlanId());
 184                                 deleteTrunksCSSTOR(dataBroker, idManagerService, vtep.getDpnId(), parentIf, vtep.getIpAddress(),
 185                                         hwTep.getTopo_id(), hwTep.getNode_id(), hwTep.getHwIp(),
 186                                         originalTZone.getTunnelType(), t, futures);
 187                             }
 188                         }
 189                     }
 190                 }
 191             }
 192         }
 193     }
 194
 195     private static void deleteTunnelsInTransportZone(String zoneName, DPNTEPsInfo dpn, TunnelEndPoints srcTep,
 196             List<HwVtep> cfgdhwVteps, DataBroker dataBroker, IdManagerService idManagerService, WriteTransaction t,
 197             List<ListenableFuture<Void>> futures) {
 198         InstanceIdentifier<TransportZone> tzonePath = InstanceIdentifier.builder(TransportZones.class)
 199                 .child(TransportZone.class, new TransportZoneKey(zoneName))
 200                 .build();
 201         Optional<TransportZone> tZoneOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, tzonePath, dataBroker);
 202         if (tZoneOptional.isPresent()) {
 203             TransportZone tZone = tZoneOptional.get();
 204             //do we need to check tunnel type?
 205             if (tZone.getSubnets() != null && !tZone.getSubnets().isEmpty()) {
 206                 for (Subnets sub : tZone.getSubnets()) {
 207                     if (sub.getDeviceVteps() != null && !sub.getDeviceVteps().isEmpty()) {
 208                         for (DeviceVteps hwVtepDS : sub.getDeviceVteps()) {
 209                             String cssID = dpn.getDPNID().toString();
 210                             //CSS-TOR-CSS
 211                             deleteTrunksCSSTOR(dataBroker, idManagerService, dpn.getDPNID(), srcTep.getInterfaceName(), srcTep.getIpAddress(),
 212                                     hwVtepDS.getTopologyId(), hwVtepDS.getNodeId(), hwVtepDS.getIpAddress(), tZone.getTunnelType(),
 213                                     t, futures);
 214
 215                         }
 216                     }
 217                 }
 218             }
 219             if (cfgdhwVteps != null && !cfgdhwVteps.isEmpty()) {
 220                 for (HwVtep hwVtep : cfgdhwVteps) {
 221                     deleteTrunksCSSTOR(dataBroker, idManagerService, dpn.getDPNID(), srcTep.getInterfaceName(), srcTep.getIpAddress(),
 222                             hwVtep.getTopo_id(), hwVtep.getNode_id(), hwVtep.getHwIp(),
 223                             TunnelTypeVxlan.class, t, futures);
 224
 225                 }
 226             }
 227         }
 228     }
 229
 230     private static void deleteTrunksCSSTOR(DataBroker dataBroker, IdManagerService idManagerService, BigInteger dpnid,
 231                                            String interfaceName, IpAddress cssIpAddress, String topologyId, String nodeId, IpAddress hWIpAddress,
 232                                            Class<? extends TunnelTypeBase> tunType, WriteTransaction t,
 233                                            List<ListenableFuture<Void>> futures) {
 234         //CSS-TOR
 235         if (trunkExists(dpnid.toString(), nodeId, tunType, dataBroker)) {
 236             logger.trace("deleting tunnel from {} to {} ", dpnid.toString(), nodeId);
 237             String parentIf = interfaceName;
 238             String fwdTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf,cssIpAddress.getIpv4Address().getValue(),
 239                     hWIpAddress.getIpv4Address().getValue(), tunType.getName());
 240             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(fwdTrunkIf);
 241             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 242
 243             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 244                     ExternalTunnelList.class)
 245                     .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId, dpnid.toString(), tunType));
 246             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 247         }
 248         else {
 249             logger.trace(" trunk from {} to {} already deleted",dpnid.toString(), nodeId);
 250         }
 251         //TOR-CSS
 252         if (trunkExists( nodeId, dpnid.toString(), tunType, dataBroker)) {
 253             logger.trace("deleting tunnel from {} to {} ",nodeId, dpnid.toString());
 254
 255             String parentIf = ItmUtils.getHwParentIf(topologyId,nodeId);
 256             String revTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf, hWIpAddress.getIpv4Address().getValue(),
 257                     cssIpAddress.getIpv4Address().getValue(), tunType.getName());
 258             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(revTrunkIf);
 259             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 260
 261             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 262                     ExternalTunnelList.class)
 263                     .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(dpnid.toString(),nodeId, tunType));
 264             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 265         }
 266         else {
 267             logger.trace(" trunk from {} to {} already deleted",  nodeId, dpnid.toString());
 268         }
 269     }
 270
 271     private static void deleteTrunksTORTOR(DataBroker dataBroker, IdManagerService idManagerService,
 272                                            String topologyId1, String nodeId1, IpAddress hWIpAddress1, String topologyId2, String nodeId2, IpAddress hWIpAddress2,
 273                                            Class<? extends TunnelTypeBase> tunType, WriteTransaction t, List<ListenableFuture<Void>> futures) {
 274         //TOR1-TOR2
 275         if (trunkExists(nodeId1, nodeId2, tunType, dataBroker)) {
 276             logger.trace("deleting tunnel from {} to {} ", nodeId1, nodeId2);
 277             String parentIf = ItmUtils.getHwParentIf(topologyId1,nodeId1);
 278             String fwdTrunkIf = ItmUtils.getTrunkInterfaceName( idManagerService, parentIf,
 279                     hWIpAddress1.getIpv4Address().getValue(),
 280                     hWIpAddress2.getIpv4Address().getValue(),
 281                     tunType.getName());
 282             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(fwdTrunkIf);
 283             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 284
 285             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 286                     ExternalTunnelList.class)
 287                     .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId2, nodeId1, tunType));
 288             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 289         }
 290         else {
 291             logger.trace(" trunk from {} to {} already deleted",nodeId1, nodeId2);
 292         }
 293         //TOR2-TOR1
 294         if (trunkExists( nodeId2, nodeId1, tunType, dataBroker)) {
 295             logger.trace("deleting tunnel from {} to {} ",nodeId2, nodeId1);
 296
 297             String parentIf = ItmUtils.getHwParentIf(topologyId2,nodeId2);
 298             String revTrunkIf = ItmUtils.getTrunkInterfaceName( idManagerService,parentIf, hWIpAddress2.getIpv4Address().getValue(),
 299                     hWIpAddress1.getIpv4Address().getValue(), tunType.getName());
 300             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(revTrunkIf);
 301             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 302
 303             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 304                     ExternalTunnelList.class)
 305                     .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId1,nodeId2, tunType));
 306             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 307         }
 308         else {
 309             logger.trace(" trunk from {} to {} already deleted",nodeId2, nodeId1);
 310         }
 311     }
 312
 313     private static boolean trunkExists( String srcDpnOrNode,  String dstDpnOrNode,
 314                                         Class<? extends TunnelTypeBase> tunType,DataBroker dataBroker) {
 315         InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 316                 ExternalTunnelList.class)
 317                 .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(dstDpnOrNode, srcDpnOrNode, tunType));
 318         return ItmUtils.read(LogicalDatastoreType.CONFIGURATION,path, dataBroker).isPresent();
 319     }
 320 }