vpnmanager/api/src/main/java/org/opendaylight/netvirt/vpnmanager/api/VpnExtraRouteHelper.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
   9 package org.opendaylight.netvirt.vpnmanager.api;
  10
  11 import static java.util.stream.Collectors.toList;
  12
  13 import com.google.common.base.Optional;
  14 import java.util.ArrayList;
  15 import java.util.Collections;
  16 import java.util.List;
  17 import java.util.concurrent.ExecutionException;
  18 import java.util.concurrent.Future;
  19 import javax.annotation.Nullable;
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.genius.infra.Datastore.Configuration;
  23 import org.opendaylight.genius.infra.Datastore.Operational;
  24 import org.opendaylight.genius.infra.TypedReadTransaction;
  25 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeBase;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.GetTunnelTypeInputBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.GetTunnelTypeOutput;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.ItmRpcService;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.ExtrarouteRdsMap;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.extraroute.rds.map.ExtrarouteRds;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.extraroute.rds.map.ExtrarouteRdsKey;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.extraroute.rds.map.extraroute.rds.DestPrefixes;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.extraroute.rds.map.extraroute.rds.DestPrefixesKey;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.extraroute.rds.map.extraroute.rds.dest.prefixes.AllocatedRds;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.extraroute.rds.map.extraroute.rds.dest.prefixes.AllocatedRdsKey;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.VpnToExtraroutes;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.Vpn;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.VpnKey;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.vpn.ExtraRoutes;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.vpn.ExtraRoutesKey;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.vpn.extra.routes.Routes;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.vpn.extra.routes.RoutesKey;
  44 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  45 import org.opendaylight.yangtools.yang.common.RpcResult;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 public final class VpnExtraRouteHelper {
  50     private static final Logger LOG = LoggerFactory.getLogger(VpnExtraRouteHelper.class);
  51
  52     private VpnExtraRouteHelper() { }
  53
  54     public static Optional<Routes> getVpnExtraroutes(DataBroker broker, String vpnName,
  55                                                      String vpnRd, String destPrefix) {
  56         InstanceIdentifier<Routes> vpnExtraRoutesId = getVpnToExtrarouteVrfIdIdentifier(vpnName, vpnRd, destPrefix);
  57         return MDSALUtil.read(broker, LogicalDatastoreType.OPERATIONAL, vpnExtraRoutesId);
  58     }
  59
  60     public static Optional<Routes> getVpnExtraroutes(TypedReadTransaction<Operational> operTx, String vpnName,
  61             String vpnRd, String destPrefix) throws ExecutionException, InterruptedException {
  62         return operTx.read(getVpnToExtrarouteVrfIdIdentifier(vpnName, vpnRd, destPrefix)).get();
  63     }
  64
  65     public static  InstanceIdentifier<Routes> getVpnToExtrarouteVrfIdIdentifier(String vpnName, String vrfId,
  66             String ipPrefix) {
  67         return InstanceIdentifier.builder(VpnToExtraroutes.class)
  68                 .child(Vpn.class, new VpnKey(vpnName)).child(ExtraRoutes.class,
  69                         new ExtraRoutesKey(vrfId)).child(Routes.class, new RoutesKey(ipPrefix)).build();
  70     }
  71
  72     public static  InstanceIdentifier<Vpn> getVpnToExtrarouteVpnIdentifier(String vpnName) {
  73         return InstanceIdentifier.builder(VpnToExtraroutes.class)
  74                 .child(Vpn.class, new VpnKey(vpnName)).build();
  75     }
  76
  77     public static List<Routes> getAllVpnExtraRoutes(DataBroker dataBroker, String vpnName,
  78             List<String> usedRds, String destPrefix) {
  79         List<Routes> routes = new ArrayList<>();
  80         for (String rd : usedRds) {
  81             Optional<Routes> extraRouteInfo =
  82                     MDSALUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL,
  83                             getVpnToExtrarouteVrfIdIdentifier(vpnName, rd, destPrefix));
  84             if (extraRouteInfo.isPresent()) {
  85                 routes.add(extraRouteInfo.get());
  86             }
  87         }
  88         return routes;
  89     }
  90
  91     public static  List<String> getUsedRds(DataBroker broker, long vpnId, String destPrefix) {
  92         InstanceIdentifier<DestPrefixes> usedRdsId = getUsedRdsIdentifier(vpnId, destPrefix);
  93         Optional<DestPrefixes> usedRds = MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION, usedRdsId);
  94         return usedRds.isPresent() && usedRds.get().getAllocatedRds() != null ? usedRds.get().getAllocatedRds().stream()
  95                 .map(AllocatedRds::getRd).distinct().collect(toList()) : new ArrayList<>();
  96     }
  97
  98     public static  List<String> getUsedRds(TypedReadTransaction<Configuration> confTx, long vpnId, String destPrefix)
  99             throws ExecutionException, InterruptedException {
 100         Optional<DestPrefixes> usedRds = confTx.read(getUsedRdsIdentifier(vpnId, destPrefix)).get();
 101         return usedRds.isPresent() && usedRds.get().getAllocatedRds() != null ? usedRds.get().getAllocatedRds().stream()
 102             .map(AllocatedRds::getRd).distinct().collect(toList()) : new ArrayList<>();
 103     }
 104
 105     public static  InstanceIdentifier<ExtrarouteRds> getUsedRdsIdentifier(long vpnId) {
 106         return InstanceIdentifier.builder(ExtrarouteRdsMap.class)
 107                 .child(ExtrarouteRds.class, new ExtrarouteRdsKey(vpnId)).build();
 108     }
 109
 110     public static  InstanceIdentifier<DestPrefixes> getUsedRdsIdentifier(long vpnId, String destPrefix) {
 111         return InstanceIdentifier.builder(ExtrarouteRdsMap.class)
 112                 .child(ExtrarouteRds.class, new ExtrarouteRdsKey(vpnId))
 113                 .child(DestPrefixes.class, new DestPrefixesKey(destPrefix)).build();
 114     }
 115
 116     public static  InstanceIdentifier<AllocatedRds> getUsedRdsIdentifier(long vpnId, String destPrefix, String nh) {
 117         return InstanceIdentifier.builder(ExtrarouteRdsMap.class)
 118                 .child(ExtrarouteRds.class, new ExtrarouteRdsKey(vpnId))
 119                 .child(DestPrefixes.class, new DestPrefixesKey(destPrefix))
 120                 .child(AllocatedRds.class, new AllocatedRdsKey(nh)).build();
 121     }
 122
 123     @Nullable
 124     public static Class<? extends TunnelTypeBase> getTunnelType(ItmRpcService itmRpcService, String ifName) {
 125         try {
 126             Future<RpcResult<GetTunnelTypeOutput>> result =
 127                     itmRpcService.getTunnelType(new GetTunnelTypeInputBuilder().setIntfName(ifName).build());
 128             RpcResult<GetTunnelTypeOutput> rpcResult = result.get();
 129             if (!rpcResult.isSuccessful()) {
 130                 LOG.warn("RPC Call to getTunnelInterfaceId returned with Errors {}", rpcResult.getErrors());
 131             } else {
 132                 return rpcResult.getResult().getTunnelType();
 133             }
 134         } catch (InterruptedException | ExecutionException e) {
 135             LOG.warn("Exception when getting tunnel interface Id for tunnel type", e);
 136         }
 137         return null;
 138     }
 139
 140     public static java.util.Optional<String> getRdAllocatedForExtraRoute(DataBroker broker,
 141             long vpnId, String destPrefix, String nextHop) {
 142         InstanceIdentifier<AllocatedRds> usedRdsId = getUsedRdsIdentifier(vpnId, destPrefix, nextHop);
 143         return MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION, usedRdsId)
 144                 .toJavaUtil().map(AllocatedRds::getRd);
 145     }
 146
 147     public static List<DestPrefixes> getExtraRouteDestPrefixes(DataBroker broker, Long vpnId) {
 148         Optional<ExtrarouteRds> optionalExtraRoutes = MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION,
 149                 getUsedRdsIdentifier(vpnId));
 150         List<DestPrefixes> prefixes =
 151             optionalExtraRoutes.isPresent() ? optionalExtraRoutes.get().getDestPrefixes() : null;
 152         return prefixes == null ? Collections.emptyList() : prefixes;
 153     }
 154 }