itm/itm-impl/src/main/java/org/opendaylight/genius/itm/confighelpers/ItmTepRemoveWorker.java

   1 /*
   2  * Copyright (c) 2016, 2017 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 static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  11
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import java.util.ArrayList;
  14 import java.util.Collection;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.Optional;
  18 import java.util.concurrent.Callable;
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.opendaylight.genius.infra.Datastore;
  21 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  22 import org.opendaylight.genius.infra.TypedReadWriteTransaction;
  23 import org.opendaylight.genius.itm.cache.DPNTEPsInfoCache;
  24 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.config.rev160406.ItmConfig;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfo;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.DcGatewayIpList;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.dc.gateway.ip.list.DcGatewayIp;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.dc.gateway.ip.list.DcGatewayIpKey;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZone;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 public class ItmTepRemoveWorker implements Callable<List<? extends ListenableFuture<?>>> {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(ItmTepRemoveWorker.class);
  39
  40     private final List<DPNTEPsInfo> delDpnList ;
  41     private final IMdsalApiManager mdsalManager;
  42     private final List<HwVtep> cfgdHwVteps;
  43     private final TransportZone originalTZone;
  44     private final ItmInternalTunnelDeleteWorker itmInternalTunnelDeleteWorker;
  45     private final DPNTEPsInfoCache dpnTEPsInfoCache;
  46     private final ManagedNewTransactionRunner txRunner;
  47     private final ItmConfig itmConfig;
  48
  49     private Collection<DPNTEPsInfo> meshedDpnList ;
  50
  51     public ItmTepRemoveWorker(List<DPNTEPsInfo> delDpnList, List<HwVtep> delHwList, TransportZone originalTZone,
  52                               IMdsalApiManager mdsalManager,
  53                               ItmInternalTunnelDeleteWorker itmInternalTunnelDeleteWorker,
  54                               DPNTEPsInfoCache dpnTEPsInfoCache, ManagedNewTransactionRunner txRunner,
  55                               ItmConfig itmConfig) {
  56         this.delDpnList = delDpnList;
  57         this.mdsalManager = mdsalManager;
  58         this.cfgdHwVteps = delHwList;
  59         this.originalTZone = originalTZone;
  60         this.itmInternalTunnelDeleteWorker = itmInternalTunnelDeleteWorker;
  61         this.dpnTEPsInfoCache = dpnTEPsInfoCache;
  62         this.txRunner = txRunner;
  63         this.itmConfig = itmConfig;
  64         LOG.trace("ItmTepRemoveWorker initialized with  DpnList {}", delDpnList);
  65         LOG.trace("ItmTepRemoveWorker initialized with  cfgdHwTeps {}", delHwList);
  66     }
  67
  68     @Override
  69     public List<ListenableFuture<Void>> call() {
  70         List<ListenableFuture<Void>> futures = new ArrayList<>() ;
  71         this.meshedDpnList = dpnTEPsInfoCache.getAllPresent();
  72         futures.addAll(itmInternalTunnelDeleteWorker.deleteTunnels(mdsalManager, delDpnList, meshedDpnList));
  73         LOG.debug("Invoking Internal Tunnel delete method with DpnList to be deleted {} ; Meshed DpnList {} ",
  74                 delDpnList, meshedDpnList);
  75         // IF EXTERNAL TUNNELS NEEDS TO BE DELETED, DO IT HERE, IT COULD BE TO DC GATEWAY OR TOR SWITCH
  76         futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION,
  77             tx -> {
  78                 Optional<DcGatewayIpList> optional = tx.read(InstanceIdentifier.builder(DcGatewayIpList.class)
  79                         .build()).get();
  80                 if (optional.isPresent()) {
  81                     @Nullable Map<DcGatewayIpKey, DcGatewayIp> dcGatewayIpList = optional.get().getDcGatewayIp();
  82                     if (dcGatewayIpList != null && !dcGatewayIpList.isEmpty()) {
  83                         processExternalTunnelTepDelete(dcGatewayIpList.values(), tx);
  84                     }
  85                 }
  86             }
  87         ));
  88         futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION,
  89             tx -> ItmExternalTunnelDeleteWorker.deleteHwVtepsTunnels(delDpnList, cfgdHwVteps, this.originalTZone, tx,
  90                     itmConfig)));
  91         return futures;
  92     }
  93
  94     @Override
  95     public String toString() {
  96         return "ItmTepRemoveWorker  { Delete Dpn List : " + delDpnList + " }" ;
  97     }
  98
  99     private void processExternalTunnelTepDelete(Collection<DcGatewayIp> dcGatewayIpList,
 100                                                 TypedReadWriteTransaction<Datastore.Configuration> tx) {
 101         List<DPNTEPsInfo>  dpnDeleteList = new ArrayList<>();
 102         for (DPNTEPsInfo dpnTEPInfo : delDpnList) {
 103             List<TunnelEndPoints> tunnelEndPointsList = dpnTEPInfo.nonnullTunnelEndPoints();
 104             if (tunnelEndPointsList.size() == 1) {
 105                 dpnDeleteList.add(dpnTEPInfo);
 106             } else {
 107                 LOG.error("DPNTEPInfo not available in data store for dpnId {}. Unable to delete external tunnel "
 108                         + "for dpn ", dpnTEPInfo.getDPNID());
 109             }
 110         }
 111         dcGatewayIpList.forEach(dcGatewayIp -> ItmExternalTunnelDeleteWorker.deleteTunnels(dpnDeleteList,
 112             meshedDpnList, dcGatewayIp.getIpAddress(), dcGatewayIp.getTunnnelType(), tx));
 113     }
 114 }