neutronvpn/neutronvpn-impl/src/main/java/org/opendaylight/vpnservice/neutronvpn/NeutronvpnManager.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.vpnservice.neutronvpn;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.SettableFuture;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
  16 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  17 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInstances;
  18 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInterfaces;
  19 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.VpnTargets;
  20 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.VpnTargetsBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets.VpnTarget;
  22 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets
  23         .VpnTargetBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets.VpnTargetKey;
  25 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
  26 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceKey;
  28 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.vpn.instance
  29         .Ipv4FamilyBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterface;
  31 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceKey;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.Adjacencies;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.AdjacenciesBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.adjacency.list.Adjacency;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.adjacency.list.AdjacencyBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.adjacency.list.AdjacencyKey;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.routers.attributes.routers.Router;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.Ports;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.PortKey;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.subnets.rev150712.subnets.attributes.Subnets;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.subnets.rev150712.subnets.attributes.subnets.Subnet;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.subnets.rev150712.subnets.attributes.subnets.SubnetKey;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.lockmanager.rev150819.LockManagerService;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.AssociateNetworksInput;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.AssociateNetworksOutput;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.AssociateNetworksOutputBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.AssociateRouterInput;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.CreateL3VPNInput;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.CreateL3VPNOutput;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.CreateL3VPNOutputBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.DeleteL3VPNInput;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.DeleteL3VPNOutput;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.DeleteL3VPNOutputBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.DissociateNetworksInput;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.DissociateNetworksOutput;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.DissociateNetworksOutputBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.DissociateRouterInput;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.GetL3VPNInput;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.GetL3VPNInputBuilder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.GetL3VPNOutput;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.GetL3VPNOutputBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.L3vpnInstance;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.NeutronvpnService;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.Subnetmaps;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.VpnMaps;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.createl3vpn.input.L3vpn;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.getl3vpn.output.L3vpnInstances;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.getl3vpn.output
  75         .L3vpnInstancesBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.subnetmaps.Subnetmap;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.subnetmaps.SubnetmapBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.subnetmaps.SubnetmapKey;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.vpnmaps.VpnMap;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.vpnmaps.VpnMapBuilder;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.vpnmaps.VpnMapKey;
  82 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  83 import org.opendaylight.yangtools.yang.common.RpcError;
  84 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
  85 import org.opendaylight.yangtools.yang.common.RpcResult;
  86 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  87 import org.slf4j.Logger;
  88 import org.slf4j.LoggerFactory;
  89
  90 import java.util.ArrayList;
  91 import java.util.Arrays;
  92 import java.util.List;
  93 import java.util.concurrent.ExecutionException;
  94 import java.util.concurrent.Future;
  95
  96 public class NeutronvpnManager implements NeutronvpnService, AutoCloseable {
  97
  98     private static final Logger logger = LoggerFactory.getLogger(NeutronvpnManager.class);
  99     private final DataBroker broker;
 100     private LockManagerService lockManager;
 101     IMdsalApiManager mdsalUtil;
 102
 103     /**
 104      * @param db           - dataBroker reference
 105      * @param mdsalManager - MDSAL Util API access
 106      */
 107     public NeutronvpnManager(final DataBroker db, IMdsalApiManager mdsalManager) {
 108         broker = db;
 109         mdsalUtil = mdsalManager;
 110     }
 111
 112     public void setLockManager(LockManagerService lockManager) {
 113         this.lockManager = lockManager;
 114     }
 115
 116     @Override
 117     public void close() throws Exception {
 118         logger.info("Neutron VPN Manager Closed");
 119     }
 120
 121     protected Subnetmap updateSubnetNode(Uuid subnetId, Uuid tenantId, Uuid networkId, Uuid routerId, Uuid vpnId,
 122                                          Uuid portId) {
 123
 124         try {
 125             SubnetmapBuilder builder = null;
 126
 127             InstanceIdentifier<Subnetmap> id = InstanceIdentifier.builder(Subnetmaps.class).
 128                     child(Subnetmap.class, new SubnetmapKey(subnetId)).build();
 129             Optional<Subnetmap> sn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, id);
 130             logger.debug("updating Subnet :read: ");
 131             if (sn.isPresent()) {
 132                 builder = new SubnetmapBuilder(sn.get());
 133                 logger.debug("updating Subnet :existing: ");
 134             } else {
 135                 builder = new SubnetmapBuilder().setKey(new SubnetmapKey(subnetId)).setId(subnetId);
 136                 logger.debug("updating Subnet :new: ");
 137             }
 138
 139             if (routerId != null) {
 140                 builder.setRouterId(routerId);
 141             }
 142             if (networkId != null) {
 143                 builder.setNetworkId(networkId);
 144             }
 145             if (vpnId != null) {
 146                 builder.setVpnId(vpnId);
 147             }
 148             if (tenantId != null) {
 149                 builder.setTenantId(tenantId);
 150             }
 151
 152             if (portId != null) {
 153                 List<Uuid> portList = builder.getPortList();
 154                 if (portList == null) {
 155                     portList = new ArrayList<Uuid>();
 156                 }
 157                 portList.add(portId);
 158                 builder.setPortList(portList);
 159             }
 160
 161             Subnetmap subnetmap = builder.build();
 162             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, subnetmap);
 163             logger.debug("Created/Updated subnetmap node: {} ", subnetId.getValue());
 164
 165             return subnetmap;
 166         } catch (Exception e) {
 167             logger.error("Update local subnetmap failed for node: {} {} {} {} {} {} ",
 168                     subnetId.getValue(), tenantId.getValue(), networkId.getValue(), routerId.getValue(), vpnId
 169                             .getValue(), portId.getValue());
 170             throw new RuntimeException(e);
 171         }
 172
 173     }
 174
 175     protected Subnetmap removeFromSubnetNode(Uuid subnetId, Uuid networkId, Uuid routerId, Uuid vpnId, Uuid portId) {
 176         Subnetmap subnetmap = null;
 177         try {
 178             InstanceIdentifier<Subnetmap> id = InstanceIdentifier.builder(Subnetmaps.class).
 179                     child(Subnetmap.class, new SubnetmapKey(subnetId)).build();
 180             Optional<Subnetmap> sn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, id);
 181
 182             if (sn.isPresent()) {
 183                 SubnetmapBuilder builder = new SubnetmapBuilder(sn.get());
 184
 185                 if (routerId != null) {
 186                     builder.setRouterId(null);
 187                 }
 188                 if (networkId != null) {
 189                     builder.setNetworkId(null);
 190                 }
 191                 if (vpnId != null) {
 192                     builder.setVpnId(null);
 193                 }
 194                 if (portId != null && builder.getPortList() != null) {
 195                     List<Uuid> portList = builder.getPortList();
 196                     portList.remove(portId);
 197                     builder.setPortList(portList);
 198                 }
 199
 200                 subnetmap = builder.build();
 201                 logger.debug("Removing from existing subnetmap node: {} ", subnetId.getValue());
 202                 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, subnetmap);
 203             } else {
 204                 logger.warn("remove from non-existing subnetmap node: {} ", subnetId.getValue());
 205             }
 206         } catch (Exception e) {
 207             logger.error("Remove from subnetmap failed for node: {} {} {} {} {} {} ", subnetId.getValue(), networkId
 208                     .getValue(), routerId.getValue(), vpnId.getValue(), portId.getValue());
 209             throw new RuntimeException(e);
 210         }
 211
 212         return subnetmap;
 213     }
 214
 215     private void updateVpnInstanceNode(String name, List<String> rd, List<String> irt, List<String> ert) {
 216
 217         try {
 218             VpnInstanceBuilder builder = null;
 219             List<VpnTarget> vpnTargetList = new ArrayList<VpnTarget>();
 220             InstanceIdentifier<VpnInstance> vpnIdentifier = InstanceIdentifier.builder(VpnInstances.class).
 221                     child(VpnInstance.class, new VpnInstanceKey(name)).build();
 222             Optional<VpnInstance> optionalVpn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 223                     vpnIdentifier);
 224             logger.debug("Creating/Updating a new vpn-instance node: {} ", name);
 225             if (optionalVpn.isPresent()) {
 226                 builder = new VpnInstanceBuilder(optionalVpn.get());
 227                 logger.debug("updating existing vpninstance node");
 228             } else {
 229                 builder = new VpnInstanceBuilder().setKey(new VpnInstanceKey(name)).setVpnInstanceName(name);
 230             }
 231
 232             if (irt != null && !irt.isEmpty()) {
 233                 if (ert != null && !ert.isEmpty()) {
 234                     List<String> commonRT = new ArrayList<String>(irt);
 235                     commonRT.retainAll(ert);
 236
 237                     for (String common : commonRT) {
 238                         irt.remove(common);
 239                         ert.remove(common);
 240                         VpnTarget vpnTarget = new VpnTargetBuilder().setKey(new VpnTargetKey(common)).setVrfRTValue
 241                                 (common).setVrfRTType(VpnTarget.VrfRTType.Both).build();
 242                         vpnTargetList.add(vpnTarget);
 243                     }
 244                 }
 245                 for (String importRT : irt) {
 246                     VpnTarget vpnTarget = new VpnTargetBuilder().setKey(new VpnTargetKey(importRT)).setVrfRTValue
 247                             (importRT).setVrfRTType(VpnTarget.VrfRTType.ImportExtcommunity).build();
 248                     vpnTargetList.add(vpnTarget);
 249                 }
 250             }
 251
 252             if (ert != null && !ert.isEmpty()) {
 253                 for (String exportRT : ert) {
 254                     VpnTarget vpnTarget = new VpnTargetBuilder().setKey(new VpnTargetKey(exportRT)).setVrfRTValue
 255                             (exportRT).setVrfRTType(VpnTarget.VrfRTType.ExportExtcommunity).build();
 256                     vpnTargetList.add(vpnTarget);
 257                 }
 258             }
 259
 260             VpnTargets vpnTargets = new VpnTargetsBuilder().setVpnTarget(vpnTargetList).build();
 261
 262             Ipv4FamilyBuilder ipv4vpnBuilder = new Ipv4FamilyBuilder().setVpnTargets(vpnTargets);
 263
 264             if (rd != null && !rd.isEmpty()) {
 265                 ipv4vpnBuilder.setRouteDistinguisher(rd.get(0));
 266             }
 267
 268             VpnInstance newVpn = builder.setIpv4Family(ipv4vpnBuilder.build()).build();
 269             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, vpnIdentifier, newVpn);
 270             logger.debug("Created/Updated vpn-instance for {} ", name);
 271         } catch (Exception e) {
 272             logger.error("Update VPN Instance node failed for node: {} {} {} {}", name, rd, irt, ert);
 273             throw new RuntimeException(e);
 274         }
 275     }
 276
 277     private void deleteVpnMapsNode(Uuid vpnid) {
 278         InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class)
 279                 .child(VpnMap.class, new VpnMapKey(vpnid)).build();
 280         logger.debug("removing vpnMaps node: {} ", vpnid.getValue());
 281         MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, vpnMapIdentifier);
 282     }
 283
 284     private void updateVpnMaps(Uuid vpnId, String name, Uuid router, Uuid tenantId, List<Uuid> networks) {
 285         VpnMapBuilder builder;
 286         InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class)
 287                 .child(VpnMap.class, new VpnMapKey(vpnId)).build();
 288         Optional<VpnMap> optionalVpnMap = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 289                 vpnMapIdentifier);
 290         if (optionalVpnMap.isPresent()) {
 291             builder = new VpnMapBuilder(optionalVpnMap.get());
 292         } else {
 293             builder = new VpnMapBuilder().setKey(new VpnMapKey(vpnId)).setVpnId(vpnId);
 294         }
 295
 296         if (name != null) {
 297             builder.setName(name);
 298         }
 299         if (tenantId != null) {
 300             builder.setTenantId(tenantId);
 301         }
 302         if (router != null) {
 303             builder.setRouterId(router);
 304         }
 305         if (networks != null) {
 306             List<Uuid> nwList = builder.getNetworkIds();
 307             if (nwList == null) {
 308                 nwList = new ArrayList<Uuid>();
 309             }
 310             nwList.addAll(networks);
 311             builder.setNetworkIds(nwList);
 312         }
 313
 314         logger.debug("Creating/Updating vpnMaps node: {} ", vpnId.getValue());
 315         MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, vpnMapIdentifier, builder.build());
 316         logger.debug("VPNMaps DS updated for VPN {} ", vpnId.getValue());
 317     }
 318
 319     private void clearFromVpnMaps(Uuid id, Uuid router, List<Uuid> networks) {
 320         InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class)
 321                 .child(VpnMap.class, new VpnMapKey(id)).build();
 322         Optional<VpnMap> optionalVpnMap = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 323                 vpnMapIdentifier);
 324         if (optionalVpnMap.isPresent()) {
 325             VpnMap vpnMap = optionalVpnMap.get();
 326             VpnMapBuilder vpnMapBuilder = new VpnMapBuilder(vpnMap);
 327             if (router != null) {
 328                 if (vpnMap.getNetworkIds() == null && router.equals(vpnMap.getVpnId())) {
 329                     // remove entire node in case of internal VPN
 330                     logger.debug("removing vpnMaps node: {} ", id);
 331                     MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, vpnMapIdentifier);
 332                     return;
 333                 }
 334                 vpnMapBuilder.setRouterId(null);
 335             }
 336             if (networks != null) {
 337                 List<Uuid> vpnNw = vpnMap.getNetworkIds();
 338                 for (Uuid nw : networks) {
 339                     vpnNw.remove(nw);
 340                 }
 341                 if (vpnNw.isEmpty()) {
 342                     logger.debug("setting networks null in vpnMaps node: {} ", id.getValue());
 343                     vpnMapBuilder.setNetworkIds(null);
 344                 } else {
 345                     vpnMapBuilder.setNetworkIds(vpnNw);
 346                 }
 347             }
 348
 349             logger.debug("clearing from vpnMaps node: {} ", id.getValue());
 350             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, vpnMapIdentifier, vpnMapBuilder.build());
 351         } else {
 352             logger.error("VPN : {} not found", id.getValue());
 353         }
 354         logger.debug("VPNMaps DS clear success for VPN {} ", id.getValue());
 355     }
 356
 357     private void deleteVpnInstance(Uuid vpnId) {
 358
 359         InstanceIdentifier<VpnInstance> vpnIdentifier = InstanceIdentifier.builder(VpnInstances.class).
 360                 child(VpnInstance.class, new VpnInstanceKey(vpnId.getValue())).build();
 361         logger.debug("removing vpn Instance {}", vpnId.getValue());
 362         MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, vpnIdentifier);
 363     }
 364
 365
 366     protected void createVpnInterface(Uuid vpnId, Port port) {
 367
 368         if (vpnId == null || port == null) {
 369             return;
 370         }
 371         String portname = NeutronvpnUtils.uuidToTapPortName(port.getUuid());
 372         List<Adjacency> adjList = new ArrayList<Adjacency>();
 373         InstanceIdentifier<VpnInterface> vpnIfIdentifier = InstanceIdentifier.builder(VpnInterfaces.class).
 374                 child(VpnInterface.class, new VpnInterfaceKey(portname)).build();
 375         // find router associated to vpn
 376         Uuid routerId = NeutronvpnUtils.getRouterforVpn(broker, vpnId);
 377         Router rtr = null;
 378         if (routerId != null) {
 379             rtr = NeutronvpnUtils.getNeutronRouter(broker, routerId);
 380         }
 381         // find all subnets to which this port is associated
 382         List<FixedIps> ips = port.getFixedIps();
 383         // create adjacency list
 384         for (FixedIps ip : ips) {
 385             // create vm adjacency
 386             StringBuilder IpPrefixBuild = new StringBuilder(ip.getIpAddress().getIpv4Address().getValue());
 387             String IpPrefix = IpPrefixBuild.append("/32").toString();
 388             Adjacency vmAdj = new AdjacencyBuilder().setKey(new AdjacencyKey(IpPrefix)).setIpAddress(IpPrefix)
 389                     .setMacAddress(port.getMacAddress()).build();
 390             adjList.add(vmAdj);
 391             // create extra route adjacency
 392             if (rtr != null && rtr.getRoutes() != null) {
 393                 List<String> routeList = rtr.getRoutes();
 394                 List<Adjacency> erAdjList = addAdjacencyforExtraRoute(routeList, false, portname);
 395                 if (erAdjList != null) {
 396                     adjList.addAll(erAdjList);
 397                 }
 398             }
 399         }
 400         // create vpn-interface on this neutron port
 401         Adjacencies adjs = new AdjacenciesBuilder().setAdjacency(adjList).build();
 402         VpnInterfaceBuilder vpnb = new VpnInterfaceBuilder().setKey(new VpnInterfaceKey(portname)).
 403                 setName(portname).setVpnInstanceName(vpnId.getValue()).addAugmentation(Adjacencies.class, adjs);
 404         VpnInterface vpnIf = vpnb.build();
 405
 406         NeutronvpnUtils.lockVpnInterface(lockManager, portname);
 407         try {
 408             logger.debug("Creating vpn interface {}", vpnIf);
 409             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, vpnIfIdentifier, vpnIf);
 410         } catch (Exception ex) {
 411             logger.error("Creation of vpninterface {} failed due to {}", portname, ex);
 412         } finally {
 413             NeutronvpnUtils.unlockVpnInterface(lockManager, portname);
 414         }
 415     }
 416
 417     protected void deleteVpnInterface(Port port) {
 418
 419         if (port != null) {
 420             String pname = NeutronvpnUtils.uuidToTapPortName(port.getUuid());
 421             InstanceIdentifier<VpnInterface> vpnIfIdentifier = InstanceIdentifier.builder(VpnInterfaces.class).
 422                     child(VpnInterface.class, new VpnInterfaceKey(pname)).build();
 423
 424             NeutronvpnUtils.lockVpnInterface(lockManager, pname);
 425             try {
 426                 logger.debug("Deleting vpn interface {}", pname);
 427                 MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, vpnIfIdentifier);
 428             } catch (Exception ex) {
 429                 logger.error("Deletion of vpninterface {} failed due to {}", pname, ex);
 430             } finally {
 431                 NeutronvpnUtils.unlockVpnInterface(lockManager, pname);
 432             }
 433         }
 434     }
 435
 436     public void createL3Vpn(Uuid vpn, String name, Uuid tenant, List<String> rd, List<String> irt, List<String> ert,
 437                             Uuid router, List<Uuid> networks) {
 438
 439         // Update VPN Instance node
 440         updateVpnInstanceNode(vpn.getValue(), rd, irt, ert);
 441
 442         // Update local vpn-subnet DS
 443         updateVpnMaps(vpn, name, router, tenant, networks);
 444
 445         if (router != null) {
 446             associateRouterToVpn(vpn, router);
 447         }
 448         if (networks != null) {
 449             associateNetworksToVpn(vpn, networks);
 450         }
 451     }
 452
 453     @Override
 454     public Future<RpcResult<CreateL3VPNOutput>> createL3VPN(CreateL3VPNInput input) {
 455
 456         CreateL3VPNOutputBuilder opBuilder = new CreateL3VPNOutputBuilder();
 457         SettableFuture<RpcResult<CreateL3VPNOutput>> result = SettableFuture.create();
 458         List<RpcError> errorList = new ArrayList<RpcError>();
 459         int failurecount = 0;
 460         int warningcount = 0;
 461
 462         List<L3vpn> vpns = input.getL3vpn();
 463         for (L3vpn vpn : vpns) {
 464             RpcError error;
 465             String msg;
 466             if (vpn.getRouteDistinguisher() == null || vpn.getImportRT() == null || vpn.getExportRT() == null) {
 467                 msg = String.format("Creation of L3VPN failed for VPN %s due to absence of RD/iRT/eRT input",
 468                         vpn.getId().getValue());
 469                 logger.warn(msg);
 470                 error = RpcResultBuilder.newWarning(ErrorType.PROTOCOL, "invalid-input", msg);
 471                 errorList.add(error);
 472                 warningcount++;
 473                 continue;
 474             }
 475             if (vpn.getRouteDistinguisher().size() > 1) {
 476                 msg = String.format("Creation of L3VPN failed for VPN %s due to multiple RD input %s",
 477                         vpn.getId().getValue(), vpn.getRouteDistinguisher());
 478                 logger.warn(msg);
 479                 error = RpcResultBuilder.newWarning(ErrorType.PROTOCOL, "invalid-input", msg);
 480                 errorList.add(error);
 481                 warningcount++;
 482                 continue;
 483             }
 484             try {
 485                 createL3Vpn(vpn.getId(), vpn.getName(), vpn.getTenantId(), vpn.getRouteDistinguisher(),
 486                         vpn.getImportRT(), vpn.getExportRT(), vpn.getRouterId(), vpn.getNetworkIds());
 487             } catch (Exception ex) {
 488                 msg = String.format("Creation of L3VPN failed for VPN %s", vpn.getId().getValue());
 489                 logger.error(msg, ex.getMessage());
 490                 error = RpcResultBuilder.newError(ErrorType.APPLICATION, msg, ex.getMessage());
 491                 errorList.add(error);
 492                 failurecount++;
 493             }
 494         }
 495         // if at least one succeeds; result is success
 496         // if none succeeds; result is failure
 497         if (failurecount + warningcount == vpns.size()) {
 498             result.set(RpcResultBuilder.<CreateL3VPNOutput>failed().withRpcErrors(errorList).build());
 499         } else {
 500             List<String> errorResponseList = new ArrayList<>();
 501             if (!errorList.isEmpty()) {
 502                 for (RpcError rpcError : errorList) {
 503                     String errorResponse = String.format("ErrorType: " + rpcError.getErrorType() + ", " + "ErrorTag: " +
 504                             rpcError.getTag() + ", " + "ErrorMessage: " + rpcError.getMessage());
 505                     errorResponseList.add(errorResponse);
 506                 }
 507             } else {
 508                 errorResponseList.add("Operation successful with no errors");
 509             }
 510             opBuilder.setResponse(errorResponseList);
 511             result.set(RpcResultBuilder.<CreateL3VPNOutput>success().withResult(opBuilder.build()).build());
 512         }
 513         return result;
 514     }
 515
 516     @Override
 517     public Future<RpcResult<GetL3VPNOutput>> getL3VPN(GetL3VPNInput input) {
 518
 519         GetL3VPNOutputBuilder opBuilder = new GetL3VPNOutputBuilder();
 520         SettableFuture<RpcResult<GetL3VPNOutput>> result = SettableFuture.create();
 521         Uuid inputVpnId = input.getId();
 522         List<VpnInstance> vpns = new ArrayList<VpnInstance>();
 523
 524         try {
 525             if (inputVpnId == null) {
 526                 // get all vpns
 527                 InstanceIdentifier<VpnInstances> vpnsIdentifier =
 528                         InstanceIdentifier.builder(VpnInstances.class).build();
 529                 Optional<VpnInstances> optionalVpns = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 530                         vpnsIdentifier);
 531                 if (optionalVpns.isPresent()) {
 532                     for (VpnInstance vpn : optionalVpns.get().getVpnInstance()) {
 533                         vpns.add(vpn);
 534                     }
 535                 } else {
 536                     // No VPN present
 537                     result.set(RpcResultBuilder.<GetL3VPNOutput>failed()
 538                             .withWarning(ErrorType.PROTOCOL, "", "No VPN is present").build());
 539                     return result;
 540                 }
 541             } else {
 542                 String name = inputVpnId.getValue();
 543                 InstanceIdentifier<VpnInstance> vpnIdentifier =
 544                         InstanceIdentifier.builder(VpnInstances.class)
 545                                 .child(VpnInstance.class, new VpnInstanceKey(name)).build();
 546                 // read VpnInstance Info
 547                 Optional<VpnInstance> optionalVpn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 548                         vpnIdentifier);
 549                 if (optionalVpn.isPresent()) {
 550                     vpns.add(optionalVpn.get());
 551                 } else {
 552                     String message = String.format("GetL3VPN failed because VPN %s is not present", name);
 553                     logger.error(message);
 554                     result.set(RpcResultBuilder.<GetL3VPNOutput>failed()
 555                             .withWarning(ErrorType.PROTOCOL, "invalid-value", message).build());
 556                 }
 557             }
 558             List<L3vpnInstances> l3vpnList = new ArrayList<L3vpnInstances>();
 559             for (VpnInstance vpnInstance : vpns) {
 560                 Uuid vpnId = new Uuid(vpnInstance.getVpnInstanceName());
 561                 // create VpnMaps id
 562                 InstanceIdentifier<VpnMap> vpnMapIdentifier =
 563                         InstanceIdentifier.builder(VpnMaps.class)
 564                                 .child(VpnMap.class, new VpnMapKey(vpnId)).build();
 565                 L3vpnInstancesBuilder l3vpn = new L3vpnInstancesBuilder();
 566
 567                 List<String> rd = Arrays.asList(vpnInstance.getIpv4Family().getRouteDistinguisher().split(","));
 568                 List<VpnTarget> vpnTargetList = vpnInstance.getIpv4Family().getVpnTargets().getVpnTarget();
 569
 570                 List<String> ertList = new ArrayList<String>();
 571                 List<String> irtList = new ArrayList<String>();
 572
 573                 for (VpnTarget vpnTarget : vpnTargetList) {
 574                     if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ExportExtcommunity) {
 575                         ertList.add(vpnTarget.getVrfRTValue());
 576                     }
 577                     if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ImportExtcommunity) {
 578                         irtList.add(vpnTarget.getVrfRTValue());
 579                     }
 580                     if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.Both) {
 581                         ertList.add(vpnTarget.getVrfRTValue());
 582                         irtList.add(vpnTarget.getVrfRTValue());
 583                     }
 584                 }
 585
 586                 l3vpn.setId(vpnId).setRouteDistinguisher(rd).setImportRT(irtList).setExportRT(ertList);
 587                 Optional<VpnMap> optionalVpnMap = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 588                         vpnMapIdentifier);
 589                 if (optionalVpnMap.isPresent()) {
 590                     VpnMap vpnMap = optionalVpnMap.get();
 591                     l3vpn.setRouterId(vpnMap.getRouterId()).setNetworkIds(vpnMap.getNetworkIds())
 592                             .setTenantId(vpnMap.getTenantId()).setName(vpnMap.getName());
 593                 }
 594                 l3vpnList.add(l3vpn.build());
 595             }
 596
 597             opBuilder.setL3vpnInstances(l3vpnList);
 598             result.set(RpcResultBuilder.<GetL3VPNOutput>success().withResult(opBuilder.build()).build());
 599
 600         } catch (Exception ex) {
 601             String message = String.format("GetL3VPN failed due to %s", ex.getMessage());
 602             logger.error(message);
 603             result.set(RpcResultBuilder.<GetL3VPNOutput>failed().withError(ErrorType.APPLICATION, message).build());
 604         }
 605
 606         return result;
 607     }
 608
 609     @Override
 610     public Future<RpcResult<DeleteL3VPNOutput>> deleteL3VPN(DeleteL3VPNInput input) {
 611
 612         DeleteL3VPNOutputBuilder opBuilder = new DeleteL3VPNOutputBuilder();
 613         SettableFuture<RpcResult<DeleteL3VPNOutput>> result = SettableFuture.create();
 614         List<RpcError> errorList = new ArrayList<RpcError>();
 615
 616         int failurecount = 0;
 617         int warningcount = 0;
 618         List<Uuid> vpns = input.getId();
 619         for (Uuid vpn : vpns) {
 620             RpcError error;
 621             String msg;
 622             try {
 623                 InstanceIdentifier<VpnInstance> vpnIdentifier =
 624                         InstanceIdentifier.builder(VpnInstances.class)
 625                                 .child(VpnInstance.class, new VpnInstanceKey(vpn.getValue())).build();
 626                 Optional<VpnInstance> optionalVpn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 627                         vpnIdentifier);
 628                 if (optionalVpn.isPresent()) {
 629                     removeL3Vpn(vpn);
 630                 } else {
 631                     msg = String.format("VPN with vpnid: %s does not exist", vpn.getValue());
 632                     logger.warn(msg);
 633                     error = RpcResultBuilder.newWarning(ErrorType.PROTOCOL, "invalid-value", msg);
 634                     errorList.add(error);
 635                     warningcount++;
 636                 }
 637             } catch (Exception ex) {
 638                 msg = String.format("Deletion of L3VPN failed when deleting for uuid %s", vpn.getValue());
 639                 logger.error(msg, ex.getMessage());
 640                 error = RpcResultBuilder.newError(ErrorType.APPLICATION, msg, ex.getMessage());
 641                 errorList.add(error);
 642                 failurecount++;
 643             }
 644         }
 645         // if at least one succeeds; result is success
 646         // if none succeeds; result is failure
 647         if (failurecount + warningcount == vpns.size()) {
 648             result.set(RpcResultBuilder.<DeleteL3VPNOutput>failed().withRpcErrors(errorList).build());
 649         } else {
 650             List<String> errorResponseList = new ArrayList<>();
 651             if (!errorList.isEmpty()) {
 652                 for (RpcError rpcError : errorList) {
 653                     String errorResponse = String.format("ErrorType: " + rpcError.getErrorType() + ", " + "ErrorTag: " +
 654                             rpcError.getTag() + ", " + "ErrorMessage: " + rpcError.getMessage());
 655                     errorResponseList.add(errorResponse);
 656                 }
 657             } else {
 658                 errorResponseList.add("Operation successful with no errors");
 659             }
 660             opBuilder.setResponse(errorResponseList);
 661             result.set(RpcResultBuilder.<DeleteL3VPNOutput>success().withResult(opBuilder.build()).build());
 662         }
 663         return result;
 664     }
 665
 666     protected void addSubnetToVpn(Uuid vpnId, Uuid subnet) {
 667         logger.debug("Adding subnet {} to vpn {}", subnet.getValue(), vpnId.getValue());
 668         Subnetmap sn = updateSubnetNode(subnet, null, null, null, vpnId, null);
 669         // Check if there are ports on this subnet and add corresponding vpn-interfaces
 670         List<Uuid> portList = sn.getPortList();
 671         if (portList != null) {
 672             for (Uuid port : sn.getPortList()) {
 673                 logger.debug("adding vpn-interface for port {}", port.getValue());
 674                 createVpnInterface(vpnId, getNeutronPort(port));
 675             }
 676         }
 677     }
 678
 679     protected List<Adjacency> addAdjacencyforExtraRoute(List<String> routeList, boolean rtrUp, String vpnifname) {
 680         try {
 681             List<Adjacency> adjList = new ArrayList<Adjacency>();
 682             for (String route : routeList) {
 683                 // assuming extra route is strictly in the format "nexthop destination" > "10.1.1.10 40.0.1.0/24"
 684                 String[] parts = route.split(" ");
 685                 if (parts.length == 2) {
 686                     String nextHop = parts[0];
 687                     String destination = parts[1];
 688
 689                     String tapPortName = NeutronvpnUtils.getNeutronPortNamefromPortFixedIp(broker, nextHop);
 690                     logger.trace("Adding extra route with nexthop {}, destination {}, ifName {}", nextHop,
 691                             destination, tapPortName);
 692                     Adjacency erAdj = new AdjacencyBuilder().setIpAddress(destination).setNextHopIp(nextHop).setKey
 693                             (new AdjacencyKey(destination)).build();
 694                     if (rtrUp == false) {
 695                         if (tapPortName.equals(vpnifname)) {
 696                             adjList.add(erAdj);
 697                         }
 698                         continue;
 699                     }
 700                     InstanceIdentifier<VpnInterface> vpnIfIdentifier = InstanceIdentifier.builder(VpnInterfaces.class).
 701                             child(VpnInterface.class, new VpnInterfaceKey(tapPortName)).build();
 702                     Optional<VpnInterface> optionalVpnInterface = NeutronvpnUtils.read(broker, LogicalDatastoreType
 703                             .CONFIGURATION, vpnIfIdentifier);
 704                     if (optionalVpnInterface.isPresent()) {
 705                         Adjacencies erAdjs = new AdjacenciesBuilder().setAdjacency(Arrays.asList(erAdj)).build();
 706                         VpnInterface vpnIf = new VpnInterfaceBuilder().setKey(new VpnInterfaceKey(tapPortName))
 707                                 .addAugmentation(Adjacencies.class, erAdjs).build();
 708                         MDSALUtil.syncUpdate(broker, LogicalDatastoreType.CONFIGURATION, vpnIfIdentifier, vpnIf);
 709                         logger.trace("extra route {} added successfully", route);
 710                     } else {
 711                         logger.error("VM adjacency for interface {} not present ; cannot add extra route adjacency",
 712                                 tapPortName);
 713                     }
 714                 } else {
 715                     logger.error("Incorrect input received for extra route. {}", parts);
 716                 }
 717             }
 718             return adjList;
 719         } catch (Exception e) {
 720             logger.error("exception in adding extra route: {}" + e);
 721         }
 722         return null;
 723     }
 724
 725     protected void removeAdjacencyforExtraRoute(List<String> routeList) {
 726         try {
 727             for (String route : routeList) {
 728                 // assuming extra route is strictly in the format "nexthop destination" > "10.1.1.10 40.0.1.0/24"
 729                 String[] parts = route.split(" ");
 730                 if (parts.length == 2) {
 731                     String nextHop = parts[0];
 732                     String destination = parts[1];
 733
 734                     String tapPortName = NeutronvpnUtils.getNeutronPortNamefromPortFixedIp(broker, nextHop);
 735                     logger.trace("Removing extra route with nexthop {}, destination {}, ifName {}", nextHop,
 736                             destination, tapPortName);
 737                     InstanceIdentifier<Adjacency> adjacencyIdentifier = InstanceIdentifier.builder(VpnInterfaces.class).
 738                             child(VpnInterface.class, new VpnInterfaceKey(tapPortName)).augmentation(Adjacencies.class)
 739                             .child(Adjacency.class, new AdjacencyKey(destination)).build();
 740                     MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, adjacencyIdentifier);
 741                     logger.trace("extra route {} deleted successfully", route);
 742                 } else {
 743                     logger.error("Incorrect input received for extra route. {}", parts);
 744                 }
 745             }
 746         } catch (Exception e) {
 747             logger.error("exception in deleting extra route: {}" + e);
 748         }
 749     }
 750
 751     protected void addPortToVpn(Uuid vpnId, Uuid port) {
 752         logger.debug("Adding Port to vpn node...");
 753         createVpnInterface(vpnId, getNeutronPort(port));
 754     }
 755
 756     protected void removeL3Vpn(Uuid id) {
 757         // read VPNMaps
 758         VpnMap vpnMap = NeutronvpnUtils.getVpnMap(broker, id);
 759         Uuid router = vpnMap.getRouterId();
 760         // dissociate router
 761         if (router != null) {
 762             dissociateRouterFromVpn(id, router);
 763         }
 764         // dissociate networks
 765         if (!id.equals(router)) {
 766             dissociateNetworksFromVpn(id, vpnMap.getNetworkIds());
 767         }
 768         // remove entire vpnMaps node
 769         deleteVpnMapsNode(id);
 770
 771         // remove vpn-instance
 772         deleteVpnInstance(id);
 773     }
 774
 775     protected void removePortFromVpn(Uuid vpnId, Uuid port) {
 776         logger.debug("Removing Port from vpn node...");
 777         deleteVpnInterface(getNeutronPort(port));
 778     }
 779
 780     protected void removeSubnetFromVpn(Uuid vpnId, Uuid subnet) {
 781         logger.debug("Removing subnet {} from vpn {}", subnet.getValue(), vpnId.getValue());
 782         Subnetmap sn = NeutronvpnUtils.getSubnetmap(broker, subnet);
 783         if (sn != null) {
 784             // Check if there are ports on this subnet; remove corresponding vpn-interfaces
 785             List<Uuid> portList = sn.getPortList();
 786             if (portList != null) {
 787                 for (Uuid port : sn.getPortList()) {
 788                     logger.debug("removing vpn-interface for port {}", port.getValue());
 789                     deleteVpnInterface(getNeutronPort(port));
 790                 }
 791             }
 792             // update subnet-vpn association
 793             removeFromSubnetNode(subnet, null, null, vpnId, null);
 794         } else {
 795             logger.warn("Subnetmap for subnet {} not found", subnet.getValue());
 796         }
 797     }
 798
 799     protected void associateRouterToVpn(Uuid vpnId, Uuid routerId) {
 800
 801         List<Uuid> routerSubnets = NeutronvpnUtils.getNeutronRouterSubnetIds(broker, routerId);
 802
 803         if (!vpnId.equals(routerId)) {
 804             logger.debug("Removing subnets from internal vpn {}", routerId.getValue());
 805             if (routerSubnets != null) {
 806                 for (Uuid subnet : routerSubnets) {
 807                     removeSubnetFromVpn(routerId, subnet);
 808                 }
 809             }
 810         }
 811         logger.debug("Adding subnets to vpn {}", vpnId.getValue());
 812         for (Uuid subnet : routerSubnets) {
 813             addSubnetToVpn(vpnId, subnet);
 814         }
 815
 816         updateVpnMaps(vpnId, null, routerId, null, null);
 817     }
 818
 819     protected void dissociateRouterFromVpn(Uuid vpnId, Uuid routerId) {
 820
 821         // remove existing external vpn interfaces
 822         List<Uuid> routerSubnets = NeutronvpnUtils.getNeutronRouterSubnetIds(broker, routerId);
 823
 824         if (routerSubnets != null) {
 825             for (Uuid subnet : routerSubnets) {
 826                 logger.debug("Removing subnets from external vpn {}", vpnId.getValue());
 827                 removeSubnetFromVpn(vpnId, subnet);
 828                 logger.debug("Adding subnets to internal vpn {}", routerId.getValue());
 829                 addSubnetToVpn(routerId, subnet);
 830             }
 831         }
 832         clearFromVpnMaps(vpnId, routerId, null);
 833     }
 834
 835     protected List<String> associateNetworksToVpn(Uuid vpn, List<Uuid> networks) {
 836         List<String> failed = new ArrayList<String>();
 837         if (!networks.isEmpty()) {
 838             // store in Data Base
 839             updateVpnMaps(vpn, null, null, null, networks);
 840             // process corresponding subnets for VPN
 841             for (Uuid nw : networks) {
 842                 if (NeutronvpnUtils.getNeutronNetwork(broker, nw) == null) {
 843                     failed.add(nw.getValue());
 844                 } else {
 845                     List<Uuid> networkSubnets = NeutronvpnUtils.getSubnetIdsFromNetworkId(broker, nw);
 846                     logger.debug("Adding network subnets...");
 847                     if (networkSubnets != null) {
 848                         for (Uuid subnet : networkSubnets) {
 849                             addSubnetToVpn(vpn, subnet);
 850                         }
 851                     }
 852                 }
 853             }
 854         }
 855         return failed;
 856     }
 857
 858     protected List<String> dissociateNetworksFromVpn(Uuid vpn, List<Uuid> networks) {
 859         List<String> failed = new ArrayList<String>();
 860         if (networks != null && !networks.isEmpty()) {
 861             // store in Data Base
 862             clearFromVpnMaps(vpn, null, networks);
 863             // process corresponding subnets for VPN
 864             for (Uuid nw : networks) {
 865                 if (NeutronvpnUtils.getNeutronNetwork(broker, nw) == null) {
 866                     failed.add(nw.getValue());
 867                 } else {
 868                     List<Uuid> networkSubnets = NeutronvpnUtils.getSubnetIdsFromNetworkId(broker, nw);
 869                     logger.debug("Removing network subnets...");
 870                     if (networkSubnets != null) {
 871                         for (Uuid subnet : networkSubnets) {
 872                             removeSubnetFromVpn(vpn, subnet);
 873                         }
 874                     }
 875                 }
 876             }
 877         }
 878         return failed;
 879     }
 880
 881     @Override
 882     public Future<RpcResult<AssociateNetworksOutput>> associateNetworks(AssociateNetworksInput input) {
 883
 884         AssociateNetworksOutputBuilder opBuilder = new AssociateNetworksOutputBuilder();
 885         SettableFuture<RpcResult<AssociateNetworksOutput>> result = SettableFuture.create();
 886         logger.debug("associateNetworks {}", input);
 887         StringBuilder returnMsg = new StringBuilder();
 888         Uuid vpnId = input.getVpnId();
 889
 890         try {
 891             if (NeutronvpnUtils.getVpnMap(broker, vpnId) != null) {
 892                 List<Uuid> netIds = input.getNetworkId();
 893                 if (netIds != null && !netIds.isEmpty()) {
 894                     List<String> failed = associateNetworksToVpn(vpnId, netIds);
 895                     if (!failed.isEmpty()) {
 896                         returnMsg.append("network(s) not found : ").append(failed);
 897                     }
 898                 }
 899             } else {
 900                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
 901             }
 902             if (returnMsg.length() != 0) {
 903                 String message = String.format("associate Networks to vpn %s failed due to %s", vpnId.getValue(),
 904                         returnMsg);
 905                 logger.error(message);
 906                 String errorResponse = String.format("ErrorType: PROTOCOL, ErrorTag: invalid-value, ErrorMessage: " +
 907                         message);
 908                 opBuilder.setResponse(errorResponse);
 909                 result.set(RpcResultBuilder.<AssociateNetworksOutput>success().withResult(opBuilder.build()).build());
 910             } else {
 911                 result.set(RpcResultBuilder.<AssociateNetworksOutput>success().build());
 912             }
 913         } catch (Exception ex) {
 914             String message = String.format("associate Networks to vpn %s failed due to %s", input.getVpnId().getValue(),
 915                     ex.getMessage());
 916             logger.error(message);
 917             result.set(RpcResultBuilder.<AssociateNetworksOutput>failed().withError(ErrorType.APPLICATION, message)
 918                     .build());
 919         }
 920         logger.debug("associateNetworks returns..");
 921         return result;
 922     }
 923
 924     @Override
 925     public Future<RpcResult<Void>> associateRouter(AssociateRouterInput input) {
 926
 927         SettableFuture<RpcResult<Void>> result = SettableFuture.create();
 928         logger.debug("associateRouter {}", input);
 929         StringBuilder returnMsg = new StringBuilder();
 930         Uuid vpnId = input.getVpnId();
 931         Uuid routerId = input.getRouterId();
 932         try {
 933             if (routerId != null && vpnId != null) {
 934                 Router rtr = NeutronvpnUtils.getNeutronRouter(broker, routerId);
 935                 VpnMap vpnMap = NeutronvpnUtils.getVpnMap(broker, vpnId);
 936                 if (rtr != null && vpnMap != null) {
 937                     if (vpnMap.getRouterId() != null) {
 938                         returnMsg.append("vpn ").append(vpnId.getValue()).append(" already associated to router ")
 939                                 .append(vpnMap.getRouterId().getValue());
 940                     } else {
 941                         associateRouterToVpn(vpnId, routerId);
 942                     }
 943                 } else {
 944                     returnMsg.append("router not found : ").append(routerId.getValue());
 945                 }
 946             } else {
 947                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
 948             }
 949             if (returnMsg.length() != 0) {
 950                 String message = String.format("associate router to vpn %s failed due to %s", routerId.getValue(),
 951                         returnMsg);
 952                 logger.error(message);
 953                 result.set(RpcResultBuilder.<Void>failed().withWarning(ErrorType.PROTOCOL, "invalid-value", message)
 954                         .build());
 955             } else {
 956                 result.set(RpcResultBuilder.<Void>success().build());
 957             }
 958         } catch (Exception ex) {
 959             String message = String.format("associate router %s to vpn %s failed due to %s", routerId.getValue(),
 960                     vpnId.getValue(), ex.getMessage());
 961             logger.error(message);
 962             result.set(RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION, message).build());
 963         }
 964         logger.debug("associateRouter returns..");
 965         return result;
 966     }
 967
 968     @Override
 969     public Future<RpcResult<DissociateNetworksOutput>> dissociateNetworks(DissociateNetworksInput input) {
 970
 971         DissociateNetworksOutputBuilder opBuilder = new DissociateNetworksOutputBuilder();
 972         SettableFuture<RpcResult<DissociateNetworksOutput>> result = SettableFuture.create();
 973
 974         logger.debug("dissociateNetworks {}", input);
 975         StringBuilder returnMsg = new StringBuilder();
 976         Uuid vpnId = input.getVpnId();
 977
 978         try {
 979             if (NeutronvpnUtils.getVpnMap(broker, vpnId) != null) {
 980                 List<Uuid> netIds = input.getNetworkId();
 981                 if (netIds != null && !netIds.isEmpty()) {
 982                     List<String> failed = dissociateNetworksFromVpn(vpnId, netIds);
 983                     if (!failed.isEmpty()) {
 984                         returnMsg.append("netowrk(s) not found : ").append(failed);
 985                     }
 986                 }
 987             } else {
 988                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
 989             }
 990             if (returnMsg.length() != 0) {
 991                 String message = String.format("disssociate Networks to vpn %s failed due to %s", vpnId.getValue(),
 992                         returnMsg);
 993                 logger.error(message);
 994                 String errorResponse = String.format("ErrorType: PROTOCOL, ErrorTag: invalid-value, ErrorMessage: " +
 995                         message);
 996                 opBuilder.setResponse(errorResponse);
 997                 result.set(RpcResultBuilder.<DissociateNetworksOutput>success().withResult(opBuilder.build()).build());
 998             } else {
 999                 result.set(RpcResultBuilder.<DissociateNetworksOutput>success().build());
1000             }
1001         } catch (Exception ex) {
1002             String message = String.format("dissociate Networks to vpn %s failed due to %s", input.getVpnId().
1003                     getValue(), ex.getMessage());
1004             logger.error(message);
1005             result.set(RpcResultBuilder.<DissociateNetworksOutput>failed().withError(ErrorType.APPLICATION, message)
1006                     .build());
1007         }
1008         logger.debug("dissociateNetworks returns..");
1009         return result;
1010     }
1011
1012     @Override
1013     public Future<RpcResult<Void>> dissociateRouter(DissociateRouterInput input) {
1014
1015         SettableFuture<RpcResult<Void>> result = SettableFuture.create();
1016
1017         logger.debug("dissociateRouter {}", input);
1018         StringBuilder returnMsg = new StringBuilder();
1019         Uuid vpnId = input.getVpnId();
1020         Uuid routerId = input.getRouterId();
1021         try {
1022             if (NeutronvpnUtils.getVpnMap(broker, vpnId) != null) {
1023                 if (routerId != null) {
1024                     Router rtr = NeutronvpnUtils.getNeutronRouter(broker, routerId);
1025                     if (rtr != null) {
1026                         dissociateRouterFromVpn(vpnId, routerId);
1027                     } else {
1028                         returnMsg.append("router not found : ").append(routerId.getValue());
1029                     }
1030                 }
1031             } else {
1032                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
1033             }
1034             if (returnMsg.length() != 0) {
1035                 String message = String.format("disssociate router %s to vpn %s failed due to %s", routerId.getValue(),
1036                         vpnId.getValue(), returnMsg);
1037                 logger.error(message);
1038                 String errorResponse = String.format("ErrorType: PROTOCOL, ErrorTag: invalid-value, ErrorMessage: " +
1039                         message);
1040                 result.set(RpcResultBuilder.<Void>failed().withWarning(ErrorType.PROTOCOL, "invalid-value", message)
1041                         .build());
1042             } else {
1043                 result.set(RpcResultBuilder.<Void>success().build());
1044             }
1045         } catch (Exception ex) {
1046             String message = String.format("disssociate router %s to vpn %s failed due to %s", routerId.getValue(),
1047                     vpnId.getValue(), ex.getMessage());
1048             logger.error(message);
1049             result.set(RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION, message).build());
1050         }
1051         logger.debug("dissociateRouter returns..");
1052
1053         return result;
1054     }
1055
1056     protected void handleNeutronRouterDeleted(Uuid routerId, List<Uuid> routerSubnetIds) {
1057         // check if the router is associated to some VPN
1058         Uuid vpnId = NeutronvpnUtils.getVpnForRouter(broker, routerId, true);
1059         if (vpnId != null) {
1060             // remove existing external vpn interfaces
1061             for (Uuid subnetId : routerSubnetIds) {
1062                 removeSubnetFromVpn(vpnId, subnetId);
1063             }
1064             clearFromVpnMaps(vpnId, routerId, null);
1065         } else {
1066             // remove existing internal vpn interfaces
1067             for (Uuid subnetId : routerSubnetIds) {
1068                 removeSubnetFromVpn(routerId, subnetId);
1069             }
1070         }
1071         // delete entire vpnMaps node for internal VPN
1072         deleteVpnMapsNode(routerId);
1073
1074         // delete vpn-instance for internal VPN
1075         deleteVpnInstance(routerId);
1076     }
1077
1078     protected Subnet getNeutronSubnet(Uuid subnetId) {
1079         InstanceIdentifier<Subnet> inst = InstanceIdentifier.create(Neutron.class).
1080                 child(Subnets.class).child(Subnet.class, new SubnetKey(subnetId));
1081         Optional<Subnet> sn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, inst);
1082
1083         if (sn.isPresent()) {
1084             return sn.get();
1085         }
1086         return null;
1087     }
1088
1089     protected IpAddress getNeutronSubnetGateway(Uuid subnetId) {
1090         Subnet sn = getNeutronSubnet(subnetId);
1091         if (null != sn) {
1092             return sn.getGatewayIp();
1093         }
1094         return null;
1095     }
1096
1097     protected Port getNeutronPort(String name) {
1098         Uuid portId = NeutronvpnUtils.getNeutronPortIdfromPortName(broker, name);
1099         if (portId != null) {
1100             InstanceIdentifier<Port> pid = InstanceIdentifier.create(Neutron.class).
1101                     child(Ports.class).child(Port.class, new PortKey(portId));
1102             Optional<Port> optPort = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, pid);
1103             if (optPort.isPresent()) {
1104                 return optPort.get();
1105             }
1106         } else {
1107             logger.error("Port {} not Found!!", name);
1108         }
1109         return null;
1110     }
1111
1112     protected Port getNeutronPort(Uuid portId) {
1113         InstanceIdentifier<Port> pid = InstanceIdentifier.create(Neutron.class).
1114                 child(Ports.class).child(Port.class, new PortKey(portId));
1115         Optional<Port> optPort = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, pid);
1116         if (optPort.isPresent()) {
1117             return optPort.get();
1118         }
1119         return null;
1120     }
1121
1122     protected List<Uuid> getSubnetsforVpn(Uuid vpnid) {
1123         List<Uuid> subnets = new ArrayList<Uuid>();
1124         //read subnetmaps
1125         InstanceIdentifier<Subnetmaps> subnetmapsid = InstanceIdentifier.builder(Subnetmaps.class).build();
1126         Optional<Subnetmaps> subnetmaps = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
1127                 subnetmapsid);
1128         if (subnetmaps.isPresent()) {
1129             Subnetmaps smaps = subnetmaps.get();
1130             List<Subnetmap> subnetMapList = smaps.getSubnetmap();
1131             for (Subnetmap subnetMap : subnetMapList) {
1132                 if (subnetMap.getVpnId() != null && subnetMap.getVpnId().equals(vpnid)) {
1133                     subnets.add(subnetMap.getId());
1134                 }
1135             }
1136         }
1137         return subnets;
1138     }
1139
1140     public List<String> showNeutronPortsCLI() {
1141         List<String> result = new ArrayList<String>();
1142         result.add(String.format(" %-22s  %-22s  %-22s  %-6s ", "PortName", "Mac Address", "IP Address",
1143                 "Prefix Length"));
1144         result.add("---------------------------------------------------------------------------------------");
1145         InstanceIdentifier<Ports> portidentifier = InstanceIdentifier.create(Neutron.class).child(Ports.class);
1146         try {
1147             Optional<Ports> ports = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, portidentifier);
1148             if (ports.isPresent()) {
1149                 List<Port> portList = ports.get().getPort();
1150                 for (Port port : portList) {
1151                     result.add(String.format(" %-22s  %-22s  %-22s  %-6s ", NeutronvpnUtils.uuidToTapPortName(port
1152                             .getUuid()), port.getMacAddress(), port.getFixedIps().get(0).getIpAddress().getIpv4Address()
1153                             .getValue(), NeutronvpnUtils.getIPPrefixFromPort(broker, port)));
1154                 }
1155             }
1156         } catch (Exception e) {
1157             logger.trace("Failed to retrieve neutronPorts info : ", e);
1158             System.out.println("Failed to retrieve neutronPorts info : " + e.getMessage());
1159         }
1160         return result;
1161     }
1162
1163     public List<String> showVpnConfigCLI(Uuid vpnuuid) {
1164         List<String> result = new ArrayList<String>();
1165         if (vpnuuid == null) {
1166             System.out.println("");
1167             System.out.println("Displaying VPN config for all VPNs");
1168             System.out.println("To display VPN config for a particular VPN, use the following syntax");
1169             System.out.println(getshowVpnConfigCLIHelp());
1170         }
1171         try {
1172             RpcResult<GetL3VPNOutput> rpcResult = getL3VPN(new GetL3VPNInputBuilder().setId(vpnuuid).build()).get();
1173             if (rpcResult.isSuccessful()) {
1174                 result.add("");
1175                 result.add(String.format(" %-37s %-37s %-7s ", "VPN ID", "Tenant ID", "RD"));
1176                 result.add("");
1177                 result.add(String.format(" %-80s ", "Import-RTs"));
1178                 result.add("");
1179                 result.add(String.format(" %-80s ", "Export-RTs"));
1180                 result.add("");
1181                 result.add(String.format(" %-76s ", "Subnet IDs"));
1182                 result.add("");
1183                 result.add("------------------------------------------------------------------------------------");
1184                 result.add("");
1185                 List<L3vpnInstances> VpnList = rpcResult.getResult().getL3vpnInstances();
1186                 for (L3vpnInstance Vpn : VpnList) {
1187                     String tenantId = Vpn.getTenantId() != null ? Vpn.getTenantId().getValue() : "\"                 " +
1188                             "                  \"";
1189                     result.add(String.format(" %-37s %-37s %-7s ", Vpn.getId().getValue(), tenantId, Vpn
1190                             .getRouteDistinguisher()));
1191                     result.add("");
1192                     result.add(String.format(" %-80s ", Vpn.getImportRT()));
1193                     result.add("");
1194                     result.add(String.format(" %-80s ", Vpn.getExportRT()));
1195                     result.add("");
1196
1197                     Uuid vpnid = Vpn.getId();
1198                     List<Uuid> subnetList = getSubnetsforVpn(vpnid);
1199                     if (!subnetList.isEmpty()) {
1200                         for (Uuid subnetuuid : subnetList) {
1201                             result.add(String.format(" %-76s ", subnetuuid.getValue()));
1202                         }
1203                     } else {
1204                         result.add(String.format(" %-76s ", "\"                                    \""));
1205                     }
1206                     result.add("");
1207                     result.add("----------------------------------------");
1208                     result.add("");
1209                 }
1210             } else {
1211                 String errortag = rpcResult.getErrors().iterator().next().getTag();
1212                 if (errortag == "") {
1213                     System.out.println("");
1214                     System.out.println("No VPN has been configured yet");
1215                 } else if (errortag == "invalid-value") {
1216                     System.out.println("");
1217                     System.out.println("VPN " + vpnuuid.getValue() + " is not present");
1218                 } else {
1219                     System.out.println("error getting VPN info : " + rpcResult.getErrors());
1220                     System.out.println(getshowVpnConfigCLIHelp());
1221                 }
1222             }
1223         } catch (InterruptedException | ExecutionException e) {
1224             logger.trace("error getting VPN info : ", e);
1225             System.out.println("error getting VPN info : " + e.getMessage());
1226         }
1227         return result;
1228     }
1229
1230     private String getshowVpnConfigCLIHelp() {
1231         StringBuilder help = new StringBuilder("Usage:");
1232         help.append("display vpn-config [-vid/--vpnid <id>]");
1233         return help.toString();
1234     }
1235
1236 }