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.rev100924.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.external.tunnel.list.ExternalTunnel;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.TransportZones;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZone;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZoneKey;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.Subnets;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.subnets.DeviceVteps;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.subnets.Vteps;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 import java.math.BigInteger;
  36 import java.util.ArrayList;
  37 import java.util.List;
  38
  39 public class ItmExternalTunnelDeleteWorker {
  40     private static final Logger logger = LoggerFactory.getLogger(ItmExternalTunnelDeleteWorker.class ) ;
  41
  42     public static List<ListenableFuture<Void>> deleteTunnels(DataBroker dataBroker, IdManagerService idManagerService, List<DPNTEPsInfo> dpnTepsList,IpAddress extIp, Class<? extends TunnelTypeBase> tunType ) {
  43         logger.trace( " Delete Tunnels towards DC Gateway with Ip  {}", extIp ) ;
  44         List<ListenableFuture<Void>> futures = new ArrayList<>();
  45         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  46
  47         if (dpnTepsList == null || dpnTepsList.size() == 0) {
  48             logger.debug("no vtep to delete");
  49             return null ;
  50         }
  51         for( DPNTEPsInfo teps : dpnTepsList) {
  52             TunnelEndPoints firstEndPt = teps.getTunnelEndPoints().get(0) ;
  53             String interfaceName = firstEndPt.getInterfaceName() ;
  54             String trunkInterfaceName = ItmUtils.getTrunkInterfaceName( idManagerService, interfaceName,
  55                     firstEndPt.getIpAddress().getIpv4Address().getValue(),
  56                     extIp.getIpv4Address().getValue(),
  57                     tunType.getName());
  58             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
  59             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
  60             ItmUtils.itmCache.removeInterface(trunkInterfaceName);
  61
  62             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
  63                     ExternalTunnelList.class)
  64                     .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(extIp.toString(),
  65                             teps.getDPNID().toString(),
  66                             tunType));
  67             t.delete(LogicalDatastoreType.CONFIGURATION, path);
  68             logger.debug( "Deleting tunnel towards DC gateway, Tunnel interface name {} ",trunkInterfaceName );
  69             ItmUtils.itmCache.removeExternalTunnel(trunkInterfaceName);
  70             // Release the Ids for the trunk interface Name
  71             ItmUtils.releaseIdForTrunkInterfaceName(idManagerService,interfaceName,firstEndPt.getIpAddress().getIpv4Address().getValue(), extIp.getIpv4Address().getValue(),tunType.getName());
  72         }
  73         futures.add(t.submit()) ;
  74         return futures ;
  75     }
  76
  77     public static List<ListenableFuture<Void>> deleteHwVtepsTunnels(DataBroker dataBroker,
  78             IdManagerService idManagerService, List<DPNTEPsInfo> delDpnList, List<HwVtep> cfgdHwVteps,
  79             TransportZone originalTZone) {
  80         List<ListenableFuture<Void>> futures = new ArrayList<>();
  81         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  82
  83         if (delDpnList != null || cfgdHwVteps != null)
  84             tunnelsDeletion(delDpnList, cfgdHwVteps, originalTZone, idManagerService, futures, t, dataBroker);
  85         futures.add(t.submit());
  86         return futures;
  87     }
  88
  89     private static void tunnelsDeletion(List<DPNTEPsInfo> cfgdDpnList, List<HwVtep> cfgdhwVteps,
  90             TransportZone originalTZone, IdManagerService idManagerService, List<ListenableFuture<Void>> futures,
  91             WriteTransaction t, DataBroker dataBroker) {
  92         if (cfgdDpnList != null && !cfgdDpnList.isEmpty()) {
  93             for (DPNTEPsInfo dpn : cfgdDpnList) {
  94                 if (dpn.getTunnelEndPoints() != null && !dpn.getTunnelEndPoints().isEmpty())
  95                     for (TunnelEndPoints srcTep : dpn.getTunnelEndPoints()) {
  96                         InstanceIdentifier<TransportZone> tzonePath = InstanceIdentifier.builder(TransportZones.class)
  97                                 .child(TransportZone.class, new TransportZoneKey((srcTep.getTransportZone())))
  98                                 .build();
  99                         Optional<TransportZone> tZoneOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, tzonePath, dataBroker);
 100                         if (tZoneOptional.isPresent()) {
 101                             TransportZone tZone = tZoneOptional.get();
 102                             //do we need to check tunnel type?
 103                             if (tZone.getSubnets() != null && !tZone.getSubnets().isEmpty()) {
 104                                 for (Subnets sub : tZone.getSubnets()) {
 105                                     if (sub.getDeviceVteps() != null && !sub.getDeviceVteps().isEmpty()) {
 106                                         for (DeviceVteps hwVtepDS : sub.getDeviceVteps()) {
 107                                             String cssID = dpn.getDPNID().toString();
 108                                             //CSS-TOR-CSS
 109                                             deleteTrunksCSSTOR(dataBroker, idManagerService, dpn.getDPNID(), srcTep.getInterfaceName(), srcTep.getIpAddress(),
 110                                                     hwVtepDS.getTopologyId(), hwVtepDS.getNodeId(), hwVtepDS.getIpAddress(), tZone.getTunnelType(),
 111                                                     t, futures);
 112
 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         }
 129
 130         if (cfgdhwVteps != null && !cfgdhwVteps.isEmpty()) {
 131             for (HwVtep hwTep : cfgdhwVteps) {
 132                 logger.trace("processing hwTep from list {}", hwTep);
 133                 for (HwVtep hwTepRemote : cfgdhwVteps) {
 134                     if (!hwTep.getHwIp().equals(hwTepRemote.getHwIp())) {
 135                         deleteTrunksTORTOR(dataBroker, idManagerService, hwTep.getTopo_id(), hwTep.getNode_id(),
 136                                 hwTep.getHwIp(), hwTepRemote.getTopo_id(), hwTepRemote.getNode_id(),
 137                                 hwTepRemote.getHwIp(), TunnelTypeVxlan.class, t, futures);
 138                     }
 139                 }
 140                 //do we need to check tunnel type?
 141                 logger.trace("subnets under tz {} are {}", originalTZone.getZoneName(), originalTZone.getSubnets());
 142                 if (originalTZone.getSubnets() != null && !originalTZone.getSubnets().isEmpty()) {
 143
 144                     for (Subnets sub : originalTZone.getSubnets()) {
 145                         if (sub.getDeviceVteps() != null && !sub.getDeviceVteps().isEmpty()) {
 146                             for (DeviceVteps hwVtepDS : sub.getDeviceVteps()) {
 147                                 logger.trace("hwtepDS exists {}", hwVtepDS);
 148                                 //do i need to check node-id?
 149                                 //for mlag case and non-m-lag case, isnt it enough to just check ipaddress?
 150                                 if (hwVtepDS.getIpAddress().equals(hwTep.getHwIp()))
 151                                     continue;//dont delete tunnels with self
 152                                 //TOR-TOR
 153                                 logger.trace("deleting tor-tor {} and {}", hwTep, hwVtepDS);
 154                                 deleteTrunksTORTOR(dataBroker, idManagerService, hwTep.getTopo_id(), hwTep.getNode_id(),
 155                                         hwTep.getHwIp(), hwVtepDS.getTopologyId(), hwVtepDS.getNodeId(),
 156                                         hwVtepDS.getIpAddress(), originalTZone.getTunnelType(),
 157                                         t, futures);
 158
 159                             }
 160                         }
 161                         if (sub.getVteps() != null && !sub.getVteps().isEmpty()) {
 162                             for (Vteps vtep : sub.getVteps()) {
 163                                 //TOR-CSS
 164                                 logger.trace("deleting tor-css-tor {} and {}", hwTep, vtep);
 165                                 String parentIf = ItmUtils.getInterfaceName(vtep.getDpnId(), vtep.getPortname(), sub.getVlanId());
 166                                 deleteTrunksCSSTOR(dataBroker, idManagerService, vtep.getDpnId(), parentIf, vtep.getIpAddress(),
 167                                         hwTep.getTopo_id(), hwTep.getNode_id(), hwTep.getHwIp(),
 168                                         originalTZone.getTunnelType(), t, futures);
 169                             }
 170                         }
 171                     }
 172                 }
 173             }
 174         }
 175     }
 176
 177     private static void deleteTrunksCSSTOR(DataBroker dataBroker, IdManagerService idManagerService, BigInteger dpnid,
 178                                            String interfaceName, IpAddress cssIpAddress, String topologyId, String nodeId, IpAddress hWIpAddress,
 179                                            Class<? extends TunnelTypeBase> tunType, WriteTransaction t,
 180                                            List<ListenableFuture<Void>> futures) {
 181         //CSS-TOR
 182         if (trunkExists(dpnid.toString(), nodeId, tunType, dataBroker)) {
 183             logger.trace("deleting tunnel from {} to {} ", dpnid.toString(), nodeId);
 184             String parentIf = interfaceName;
 185             String fwdTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf,cssIpAddress.getIpv4Address().getValue(),
 186                     hWIpAddress.getIpv4Address().getValue(), tunType.getName());
 187             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(fwdTrunkIf);
 188             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 189
 190             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 191                     ExternalTunnelList.class)
 192                     .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId, dpnid.toString(), tunType));
 193             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 194         }
 195         else {
 196             logger.trace(" trunk from {} to {} already deleted",dpnid.toString(), nodeId);
 197         }
 198         //TOR-CSS
 199         if (trunkExists( nodeId, dpnid.toString(), tunType, dataBroker)) {
 200             logger.trace("deleting tunnel from {} to {} ",nodeId, dpnid.toString());
 201
 202             String parentIf = ItmUtils.getHwParentIf(topologyId,nodeId);
 203             String revTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf, hWIpAddress.getIpv4Address().getValue(),
 204                     cssIpAddress.getIpv4Address().getValue(), tunType.getName());
 205             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(revTrunkIf);
 206             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 207
 208             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 209                     ExternalTunnelList.class)
 210                     .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(dpnid.toString(),nodeId, tunType));
 211             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 212         }
 213         else {
 214             logger.trace(" trunk from {} to {} already deleted",  nodeId, dpnid.toString());
 215         }
 216     }
 217
 218     private static void deleteTrunksTORTOR(DataBroker dataBroker, IdManagerService idManagerService,
 219                                            String topologyId1, String nodeId1, IpAddress hWIpAddress1, String topologyId2, String nodeId2, IpAddress hWIpAddress2,
 220                                            Class<? extends TunnelTypeBase> tunType, WriteTransaction t, List<ListenableFuture<Void>> futures) {
 221         //TOR1-TOR2
 222         if (trunkExists(nodeId1, nodeId2, tunType, dataBroker)) {
 223             logger.trace("deleting tunnel from {} to {} ", nodeId1, nodeId2);
 224             String parentIf = ItmUtils.getHwParentIf(topologyId1,nodeId1);
 225             String fwdTrunkIf = ItmUtils.getTrunkInterfaceName( idManagerService, parentIf,
 226                     hWIpAddress1.getIpv4Address().getValue(),
 227                     hWIpAddress2.getIpv4Address().getValue(),
 228                     tunType.getName());
 229             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(fwdTrunkIf);
 230             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 231
 232             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 233                     ExternalTunnelList.class)
 234                     .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId2, nodeId1, tunType));
 235             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 236         }
 237         else {
 238             logger.trace(" trunk from {} to {} already deleted",nodeId1, nodeId2);
 239         }
 240         //TOR2-TOR1
 241         if (trunkExists( nodeId2, nodeId1, tunType, dataBroker)) {
 242             logger.trace("deleting tunnel from {} to {} ",nodeId2, nodeId1);
 243
 244             String parentIf = ItmUtils.getHwParentIf(topologyId2,nodeId2);
 245             String revTrunkIf = ItmUtils.getTrunkInterfaceName( idManagerService,parentIf, hWIpAddress2.getIpv4Address().getValue(),
 246                     hWIpAddress1.getIpv4Address().getValue(), tunType.getName());
 247             InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(revTrunkIf);
 248             t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
 249
 250             InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 251                     ExternalTunnelList.class)
 252                     .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId1,nodeId2, tunType));
 253             t.delete(LogicalDatastoreType.CONFIGURATION, path);
 254         }
 255         else {
 256             logger.trace(" trunk from {} to {} already deleted",nodeId2, nodeId1);
 257         }
 258     }
 259
 260     private static boolean trunkExists( String srcDpnOrNode,  String dstDpnOrNode,
 261                                         Class<? extends TunnelTypeBase> tunType,DataBroker dataBroker) {
 262         boolean existsFlag = false ;
 263         InstanceIdentifier<ExternalTunnel> path = InstanceIdentifier.create(
 264                 ExternalTunnelList.class)
 265                 .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(dstDpnOrNode, srcDpnOrNode, tunType));
 266         Optional<ExternalTunnel> exTunnels = ItmUtils.read(LogicalDatastoreType.CONFIGURATION,path, dataBroker) ;
 267         if( exTunnels.isPresent()) {
 268             existsFlag = true;
 269         }
 270         return existsFlag ;
 271     }
 272 }