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