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 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
  15 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  16 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInstances;
  17 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInterfaces;
  18 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.VpnTargets;
  19 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.VpnTargetsBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets.VpnTarget;
  21 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets
  22         .VpnTargetBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets.VpnTargetKey;
  24 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
  25 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceKey;
  27 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.vpn.instance
  28         .Ipv4FamilyBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterface;
  30 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceKey;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.Adjacencies;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.AdjacenciesBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.adjacency.list.Adjacency;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.adjacency.list.AdjacencyBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.adjacency.list.AdjacencyKey;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes;
  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 import java.util.ArrayList;
  90 import java.util.Arrays;
  91 import java.util.List;
  92 import java.util.concurrent.ExecutionException;
  93 import java.util.concurrent.Future;
  94
  95 public class NeutronvpnManager implements NeutronvpnService, AutoCloseable {
  96
  97     private static final Logger logger = LoggerFactory.getLogger(NeutronvpnManager.class);
  98     private final DataBroker broker;
  99     private LockManagerService lockManager;
 100     IMdsalApiManager mdsalUtil;
 101
 102     /**
 103      * @param db           - dataBroker reference
 104      * @param mdsalManager - MDSAL Util API access
 105      */
 106     public NeutronvpnManager(final DataBroker db, IMdsalApiManager mdsalManager) {
 107         broker = db;
 108         mdsalUtil = mdsalManager;
 109     }
 110
 111     public void setLockManager(LockManagerService lockManager) {
 112         this.lockManager = lockManager;
 113     }
 114
 115     @Override
 116     public void close() throws Exception {
 117         logger.info("Neutron VPN Manager Closed");
 118     }
 119
 120     protected Subnetmap updateSubnetNode(Uuid subnetId, String subnetIp, Uuid tenantId, Uuid networkId, Uuid routerId,
 121                                          Uuid vpnId, Uuid portId) {
 122         Subnetmap subnetmap = null;
 123         SubnetmapBuilder builder = null;
 124         boolean isLockAcquired = false;
 125         InstanceIdentifier<Subnetmap> id = InstanceIdentifier.builder(Subnetmaps.class).
 126                 child(Subnetmap.class, new SubnetmapKey(subnetId)).build();
 127         try {
 128             Optional<Subnetmap> sn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, id);
 129             logger.debug("updating Subnet :read: ");
 130             if (sn.isPresent()) {
 131                 builder = new SubnetmapBuilder(sn.get());
 132                 logger.debug("updating Subnet :existing: ");
 133             } else {
 134                 builder = new SubnetmapBuilder().setKey(new SubnetmapKey(subnetId)).setId(subnetId);
 135                 logger.debug("updating Subnet :new: ");
 136             }
 137
 138             if (subnetIp != null) {
 139                 builder.setSubnetIp(subnetIp);
 140             }
 141             if (routerId != null) {
 142                 builder.setRouterId(routerId);
 143             }
 144             if (networkId != null) {
 145                 builder.setNetworkId(networkId);
 146             }
 147             if (vpnId != null) {
 148                 builder.setVpnId(vpnId);
 149             }
 150             if (tenantId != null) {
 151                 builder.setTenantId(tenantId);
 152             }
 153
 154             if (portId != null) {
 155                 List<Uuid> portList = builder.getPortList();
 156                 if (portList == null) {
 157                     portList = new ArrayList<Uuid>();
 158                 }
 159                 portList.add(portId);
 160                 builder.setPortList(portList);
 161             }
 162
 163             subnetmap = builder.build();
 164             isLockAcquired = NeutronvpnUtils.lock(lockManager, subnetId.getValue());
 165             logger.debug("Creating/Updating subnetMap node: {} ", subnetId.getValue());
 166             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, subnetmap);
 167         } catch (Exception e) {
 168             logger.error("Updation of subnetMap failed for node: {}", subnetId.getValue());
 169         } finally {
 170             if (isLockAcquired) {
 171                 NeutronvpnUtils.unlock(lockManager, subnetId.getValue());
 172             }
 173         }
 174         return subnetmap;
 175     }
 176
 177     protected Subnetmap removeFromSubnetNode(Uuid subnetId, Uuid networkId, Uuid routerId, Uuid vpnId, Uuid portId) {
 178         Subnetmap subnetmap = null;
 179         boolean isLockAcquired = false;
 180         InstanceIdentifier<Subnetmap> id = InstanceIdentifier.builder(Subnetmaps.class).
 181                 child(Subnetmap.class, new SubnetmapKey(subnetId)).build();
 182         try {
 183             Optional<Subnetmap> sn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, id);
 184             if (sn.isPresent()) {
 185                 SubnetmapBuilder builder = new SubnetmapBuilder(sn.get());
 186                 if (routerId != null) {
 187                     builder.setRouterId(null);
 188                 }
 189                 if (networkId != null) {
 190                     builder.setNetworkId(null);
 191                 }
 192                 if (vpnId != null) {
 193                     builder.setVpnId(null);
 194                 }
 195                 if (portId != null && builder.getPortList() != null) {
 196                     List<Uuid> portList = builder.getPortList();
 197                     portList.remove(portId);
 198                     builder.setPortList(portList);
 199                 }
 200
 201                 subnetmap = builder.build();
 202                 isLockAcquired = NeutronvpnUtils.lock(lockManager, subnetId.getValue());
 203                 logger.debug("Removing from existing subnetmap node: {} ", subnetId.getValue());
 204                 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, subnetmap);
 205             } else {
 206                 logger.warn("removing from non-existing subnetmap node: {} ", subnetId.getValue());
 207             }
 208         } catch (Exception e) {
 209             logger.error("Removal from subnetmap failed for node: {}", subnetId.getValue());
 210         } finally {
 211             if (isLockAcquired) {
 212                 NeutronvpnUtils.unlock(lockManager, subnetId.getValue());
 213             }
 214         }
 215         return subnetmap;
 216     }
 217
 218     protected void deleteSubnetMapNode(Uuid subnetId) {
 219         boolean isLockAcquired = false;
 220         InstanceIdentifier<Subnetmap> subnetMapIdentifier = InstanceIdentifier.builder(Subnetmaps.class)
 221                 .child(Subnetmap.class, new SubnetmapKey(subnetId)).build();
 222         logger.debug("removing subnetMap node: {} ", subnetId.getValue());
 223         try {
 224             isLockAcquired = NeutronvpnUtils.lock(lockManager, subnetId.getValue());
 225             MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, subnetMapIdentifier);
 226         } catch (Exception e) {
 227             logger.error("Delete subnetMap node failed for subnet : {} ", subnetId.getValue());
 228         } finally {
 229             if (isLockAcquired) {
 230                 NeutronvpnUtils.unlock(lockManager, subnetId.getValue());
 231             }
 232         }
 233     }
 234
 235     private void updateVpnInstanceNode(String vpnName, List<String> rd, List<String> irt, List<String> ert) {
 236
 237         VpnInstanceBuilder builder = null;
 238         List<VpnTarget> vpnTargetList = new ArrayList<VpnTarget>();
 239         boolean isLockAcquired = false;
 240         InstanceIdentifier<VpnInstance> vpnIdentifier = InstanceIdentifier.builder(VpnInstances.class).
 241                 child(VpnInstance.class, new VpnInstanceKey(vpnName)).build();
 242         try {
 243             Optional<VpnInstance> optionalVpn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 244                     vpnIdentifier);
 245             logger.debug("Creating/Updating a new vpn-instance node: {} ", vpnName);
 246             if (optionalVpn.isPresent()) {
 247                 builder = new VpnInstanceBuilder(optionalVpn.get());
 248                 logger.debug("updating existing vpninstance node");
 249             } else {
 250                 builder = new VpnInstanceBuilder().setKey(new VpnInstanceKey(vpnName)).setVpnInstanceName(vpnName);
 251             }
 252             if (irt != null && !irt.isEmpty()) {
 253                 if (ert != null && !ert.isEmpty()) {
 254                     List<String> commonRT = new ArrayList<String>(irt);
 255                     commonRT.retainAll(ert);
 256
 257                     for (String common : commonRT) {
 258                         irt.remove(common);
 259                         ert.remove(common);
 260                         VpnTarget vpnTarget = new VpnTargetBuilder().setKey(new VpnTargetKey(common)).setVrfRTValue
 261                                 (common).setVrfRTType(VpnTarget.VrfRTType.Both).build();
 262                         vpnTargetList.add(vpnTarget);
 263                     }
 264                 }
 265                 for (String importRT : irt) {
 266                     VpnTarget vpnTarget = new VpnTargetBuilder().setKey(new VpnTargetKey(importRT)).setVrfRTValue
 267                             (importRT).setVrfRTType(VpnTarget.VrfRTType.ImportExtcommunity).build();
 268                     vpnTargetList.add(vpnTarget);
 269                 }
 270             }
 271
 272             if (ert != null && !ert.isEmpty()) {
 273                 for (String exportRT : ert) {
 274                     VpnTarget vpnTarget = new VpnTargetBuilder().setKey(new VpnTargetKey(exportRT)).setVrfRTValue
 275                             (exportRT).setVrfRTType(VpnTarget.VrfRTType.ExportExtcommunity).build();
 276                     vpnTargetList.add(vpnTarget);
 277                 }
 278             }
 279
 280             VpnTargets vpnTargets = new VpnTargetsBuilder().setVpnTarget(vpnTargetList).build();
 281
 282             Ipv4FamilyBuilder ipv4vpnBuilder = new Ipv4FamilyBuilder().setVpnTargets(vpnTargets);
 283
 284             if (rd != null && !rd.isEmpty()) {
 285                 ipv4vpnBuilder.setRouteDistinguisher(rd.get(0));
 286             }
 287
 288             VpnInstance newVpn = builder.setIpv4Family(ipv4vpnBuilder.build()).build();
 289             isLockAcquired = NeutronvpnUtils.lock(lockManager, vpnName);
 290             logger.debug("Creating/Updating vpn-instance for {} ", vpnName);
 291             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, vpnIdentifier, newVpn);
 292         } catch (Exception e) {
 293             logger.error("Update VPN Instance node failed for node: {} {} {} {}", vpnName, rd, irt, ert);
 294         } finally {
 295             if (isLockAcquired) {
 296                 NeutronvpnUtils.unlock(lockManager, vpnName);
 297             }
 298         }
 299     }
 300
 301     private void deleteVpnMapsNode(Uuid vpnid) {
 302         boolean isLockAcquired = false;
 303         InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class)
 304                 .child(VpnMap.class, new VpnMapKey(vpnid)).build();
 305         logger.debug("removing vpnMaps node: {} ", vpnid.getValue());
 306         try {
 307             isLockAcquired = NeutronvpnUtils.lock(lockManager, vpnid.getValue());
 308             MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, vpnMapIdentifier);
 309         } catch (Exception e) {
 310             logger.error("Delete vpnMaps node failed for vpn : {} ", vpnid.getValue());
 311         } finally {
 312             if (isLockAcquired) {
 313                 NeutronvpnUtils.unlock(lockManager, vpnid.getValue());
 314             }
 315         }
 316     }
 317
 318     private void updateVpnMaps(Uuid vpnId, String name, Uuid router, Uuid tenantId, List<Uuid> networks) {
 319         VpnMapBuilder builder;
 320         boolean isLockAcquired = false;
 321         InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class)
 322                 .child(VpnMap.class, new VpnMapKey(vpnId)).build();
 323         try {
 324             Optional<VpnMap> optionalVpnMap = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 325                     vpnMapIdentifier);
 326             if (optionalVpnMap.isPresent()) {
 327                 builder = new VpnMapBuilder(optionalVpnMap.get());
 328             } else {
 329                 builder = new VpnMapBuilder().setKey(new VpnMapKey(vpnId)).setVpnId(vpnId);
 330             }
 331
 332             if (name != null) {
 333                 builder.setName(name);
 334             }
 335             if (tenantId != null) {
 336                 builder.setTenantId(tenantId);
 337             }
 338             if (router != null) {
 339                 builder.setRouterId(router);
 340             }
 341             if (networks != null) {
 342                 List<Uuid> nwList = builder.getNetworkIds();
 343                 if (nwList == null) {
 344                     nwList = new ArrayList<Uuid>();
 345                 }
 346                 nwList.addAll(networks);
 347                 builder.setNetworkIds(nwList);
 348             }
 349
 350             isLockAcquired = NeutronvpnUtils.lock(lockManager, vpnId.getValue());
 351             logger.debug("Creating/Updating vpnMaps node: {} ", vpnId.getValue());
 352             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, vpnMapIdentifier, builder.build());
 353             logger.debug("VPNMaps DS updated for VPN {} ", vpnId.getValue());
 354         } catch (Exception e) {
 355             logger.error("UpdateVpnMaps failed for node: {} ", vpnId.getValue());
 356         } finally {
 357             if (isLockAcquired) {
 358                 NeutronvpnUtils.unlock(lockManager, vpnId.getValue());
 359             }
 360         }
 361     }
 362
 363     private void clearFromVpnMaps(Uuid vpnId, Uuid routerId, List<Uuid> networkIds) {
 364         boolean isLockAcquired = false;
 365         InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class)
 366                 .child(VpnMap.class, new VpnMapKey(vpnId)).build();
 367         Optional<VpnMap> optionalVpnMap = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 368                 vpnMapIdentifier);
 369         if (optionalVpnMap.isPresent()) {
 370             VpnMap vpnMap = optionalVpnMap.get();
 371             VpnMapBuilder vpnMapBuilder = new VpnMapBuilder(vpnMap);
 372             if (routerId != null) {
 373                 if (vpnMap.getNetworkIds() == null && routerId.equals(vpnMap.getVpnId())) {
 374                     try {
 375                         // remove entire node in case of internal VPN
 376                         isLockAcquired = NeutronvpnUtils.lock(lockManager, vpnId.getValue());
 377                         logger.debug("removing vpnMaps node: {} ", vpnId);
 378                         MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, vpnMapIdentifier);
 379                     } catch (Exception e) {
 380                         logger.error("Deletion of vpnMaps node failed for vpn {}", vpnId.getValue());
 381                     } finally {
 382                         if (isLockAcquired) {
 383                             NeutronvpnUtils.unlock(lockManager, vpnId.getValue());
 384                         }
 385                     }
 386                     return;
 387                 }
 388                 vpnMapBuilder.setRouterId(null);
 389             }
 390             if (networkIds != null) {
 391                 List<Uuid> vpnNw = vpnMap.getNetworkIds();
 392                 for (Uuid nw : networkIds) {
 393                     vpnNw.remove(nw);
 394                 }
 395                 if (vpnNw.isEmpty()) {
 396                     logger.debug("setting networks null in vpnMaps node: {} ", vpnId.getValue());
 397                     vpnMapBuilder.setNetworkIds(null);
 398                 } else {
 399                     vpnMapBuilder.setNetworkIds(vpnNw);
 400                 }
 401             }
 402
 403             try {
 404                 isLockAcquired = NeutronvpnUtils.lock(lockManager, vpnId.getValue());
 405                 logger.debug("clearing from vpnMaps node: {} ", vpnId.getValue());
 406                 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, vpnMapIdentifier, vpnMapBuilder.build
 407                         ());
 408             } catch (Exception e) {
 409                 logger.error("Clearing from vpnMaps node failed for vpn {}", vpnId.getValue());
 410             } finally {
 411                 if (isLockAcquired) {
 412                     NeutronvpnUtils.unlock(lockManager, vpnId.getValue());
 413                 }
 414             }
 415         } else {
 416             logger.error("VPN : {} not found", vpnId.getValue());
 417         }
 418         logger.debug("Clear from VPNMaps DS successful for VPN {} ", vpnId.getValue());
 419     }
 420
 421     private void deleteVpnInstance(Uuid vpnId) {
 422         boolean isLockAcquired = false;
 423         InstanceIdentifier<VpnInstance> vpnIdentifier = InstanceIdentifier.builder(VpnInstances.class).
 424                 child(VpnInstance.class, new VpnInstanceKey(vpnId.getValue())).build();
 425         try {
 426             isLockAcquired = NeutronvpnUtils.lock(lockManager, vpnId.getValue());
 427             logger.debug("Deleting vpnInstance {}", vpnId.getValue());
 428             MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, vpnIdentifier);
 429         } catch (Exception e) {
 430             logger.error("Deletion of VPNInstance node failed for VPN {}", vpnId.getValue());
 431         } finally {
 432             if (isLockAcquired) {
 433                 NeutronvpnUtils.unlock(lockManager, vpnId.getValue());
 434             }
 435         }
 436     }
 437
 438     protected void createVpnInterface(Uuid vpnId, Port port) {
 439         boolean isLockAcquired = false;
 440         if (vpnId == null || port == null) {
 441             return;
 442         }
 443         String infName = port.getUuid().getValue();
 444         List<Adjacency> adjList = new ArrayList<Adjacency>();
 445         InstanceIdentifier<VpnInterface> vpnIfIdentifier = NeutronvpnUtils.buildVpnInterfaceIdentifier(infName);
 446
 447         // find router associated to vpn
 448         Uuid routerId = NeutronvpnUtils.getRouterforVpn(broker, vpnId);
 449         Router rtr = null;
 450         if (routerId != null) {
 451             rtr = NeutronvpnUtils.getNeutronRouter(broker, routerId);
 452         }
 453         // find all subnets to which this port is associated
 454         List<FixedIps> ips = port.getFixedIps();
 455         // create adjacency list
 456         for (FixedIps ip : ips) {
 457             // create vm adjacency
 458             StringBuilder IpPrefixBuild = new StringBuilder(ip.getIpAddress().getIpv4Address().getValue());
 459             String IpPrefix = IpPrefixBuild.append("/32").toString();
 460             Adjacency vmAdj = new AdjacencyBuilder().setKey(new AdjacencyKey(IpPrefix)).setIpAddress(IpPrefix)
 461                     .setMacAddress(port.getMacAddress()).build();
 462             adjList.add(vmAdj);
 463             // create extra route adjacency
 464             if (rtr != null && rtr.getRoutes() != null) {
 465                 List<Routes> routeList = rtr.getRoutes();
 466                 List<Adjacency> erAdjList = addAdjacencyforExtraRoute(routeList, false, infName);
 467                 if (erAdjList != null && !erAdjList.isEmpty()) {
 468                     adjList.addAll(erAdjList);
 469                 }
 470             }
 471         }
 472         // create vpn-interface on this neutron port
 473         Adjacencies adjs = new AdjacenciesBuilder().setAdjacency(adjList).build();
 474         VpnInterfaceBuilder vpnb = new VpnInterfaceBuilder().setKey(new VpnInterfaceKey(infName)).
 475                 setName(infName).setVpnInstanceName(vpnId.getValue()).addAugmentation(Adjacencies.class, adjs);
 476         VpnInterface vpnIf = vpnb.build();
 477
 478         try {
 479             isLockAcquired = NeutronvpnUtils.lock(lockManager, infName);
 480             logger.debug("Creating vpn interface {}", vpnIf);
 481             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, vpnIfIdentifier, vpnIf);
 482         } catch (Exception ex) {
 483             logger.error("Creation of vpninterface {} failed due to {}", infName, ex);
 484         } finally {
 485             if (isLockAcquired) {
 486                 NeutronvpnUtils.unlock(lockManager, infName);
 487             }
 488         }
 489     }
 490
 491     protected void deleteVpnInterface(Port port) {
 492
 493         if (port != null) {
 494             boolean isLockAcquired = false;
 495             String infName = port.getUuid().getValue();
 496             InstanceIdentifier<VpnInterface> vpnIfIdentifier = NeutronvpnUtils.buildVpnInterfaceIdentifier(infName);
 497
 498             try {
 499                 isLockAcquired = NeutronvpnUtils.lock(lockManager, infName);
 500                 logger.debug("Deleting vpn interface {}", infName);
 501                 MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, vpnIfIdentifier);
 502             } catch (Exception ex) {
 503                 logger.error("Deletion of vpninterface {} failed due to {}", infName, ex);
 504             } finally {
 505                 if (isLockAcquired) {
 506                     NeutronvpnUtils.unlock(lockManager, infName);
 507                 }
 508             }
 509         }
 510     }
 511
 512     protected void updateVpnInterface(Uuid vpnId, Port port) {
 513         if (vpnId == null || port == null) {
 514             return;
 515         }
 516         boolean isLockAcquired = false;
 517         String infName = port.getUuid().getValue();
 518         InstanceIdentifier<VpnInterface> vpnIfIdentifier = NeutronvpnUtils.buildVpnInterfaceIdentifier(infName);
 519         try {
 520             Optional<VpnInterface> optionalVpnInterface = NeutronvpnUtils.read(broker, LogicalDatastoreType
 521                     .CONFIGURATION, vpnIfIdentifier);
 522             if (optionalVpnInterface.isPresent()) {
 523                 VpnInterfaceBuilder vpnIfBuilder = new VpnInterfaceBuilder(optionalVpnInterface.get());
 524                 VpnInterface vpnIf = vpnIfBuilder.setVpnInstanceName(vpnId.getValue()).build();
 525                 isLockAcquired = NeutronvpnUtils.lock(lockManager, infName);
 526                 logger.debug("Updating vpn interface {}", vpnIf);
 527                 MDSALUtil.syncUpdate(broker, LogicalDatastoreType.CONFIGURATION, vpnIfIdentifier, vpnIf);
 528             } else {
 529                 logger.error("VPN Interface {} not found", infName);
 530             }
 531         } catch (Exception ex) {
 532             logger.error("Updation of vpninterface {} failed due to {}", infName, ex);
 533         } finally {
 534             if (isLockAcquired) {
 535                 NeutronvpnUtils.unlock(lockManager, infName);
 536             }
 537         }
 538     }
 539
 540     public void createL3Vpn(Uuid vpn, String name, Uuid tenant, List<String> rd, List<String> irt, List<String> ert,
 541                             Uuid router, List<Uuid> networks) {
 542
 543         // Update VPN Instance node
 544         updateVpnInstanceNode(vpn.getValue(), rd, irt, ert);
 545
 546         // Update local vpn-subnet DS
 547         updateVpnMaps(vpn, name, router, tenant, networks);
 548
 549         if (router != null) {
 550             associateRouterToVpn(vpn, router);
 551         }
 552         if (networks != null) {
 553             associateNetworksToVpn(vpn, networks);
 554         }
 555     }
 556
 557     @Override
 558     public Future<RpcResult<CreateL3VPNOutput>> createL3VPN(CreateL3VPNInput input) {
 559
 560         CreateL3VPNOutputBuilder opBuilder = new CreateL3VPNOutputBuilder();
 561         SettableFuture<RpcResult<CreateL3VPNOutput>> result = SettableFuture.create();
 562         List<RpcError> errorList = new ArrayList<RpcError>();
 563         int failurecount = 0;
 564         int warningcount = 0;
 565
 566         List<L3vpn> vpns = input.getL3vpn();
 567         for (L3vpn vpn : vpns) {
 568             RpcError error;
 569             String msg;
 570             if (vpn.getRouteDistinguisher() == null || vpn.getImportRT() == null || vpn.getExportRT() == null) {
 571                 msg = String.format("Creation of L3VPN failed for VPN %s due to absence of RD/iRT/eRT input",
 572                         vpn.getId().getValue());
 573                 logger.warn(msg);
 574                 error = RpcResultBuilder.newWarning(ErrorType.PROTOCOL, "invalid-input", msg);
 575                 errorList.add(error);
 576                 warningcount++;
 577                 continue;
 578             }
 579             if (vpn.getRouteDistinguisher().size() > 1) {
 580                 msg = String.format("Creation of L3VPN failed for VPN %s due to multiple RD input %s",
 581                         vpn.getId().getValue(), vpn.getRouteDistinguisher());
 582                 logger.warn(msg);
 583                 error = RpcResultBuilder.newWarning(ErrorType.PROTOCOL, "invalid-input", msg);
 584                 errorList.add(error);
 585                 warningcount++;
 586                 continue;
 587             }
 588             try {
 589                 createL3Vpn(vpn.getId(), vpn.getName(), vpn.getTenantId(), vpn.getRouteDistinguisher(),
 590                         vpn.getImportRT(), vpn.getExportRT(), vpn.getRouterId(), vpn.getNetworkIds());
 591             } catch (Exception ex) {
 592                 msg = String.format("Creation of L3VPN failed for VPN %s", vpn.getId().getValue());
 593                 logger.error(msg, ex);
 594                 error = RpcResultBuilder.newError(ErrorType.APPLICATION, msg, ex.getMessage());
 595                 errorList.add(error);
 596                 failurecount++;
 597             }
 598         }
 599         // if at least one succeeds; result is success
 600         // if none succeeds; result is failure
 601         if (failurecount + warningcount == vpns.size()) {
 602             result.set(RpcResultBuilder.<CreateL3VPNOutput>failed().withRpcErrors(errorList).build());
 603         } else {
 604             List<String> errorResponseList = new ArrayList<>();
 605             if (!errorList.isEmpty()) {
 606                 for (RpcError rpcError : errorList) {
 607                     String errorResponse = String.format("ErrorType: " + rpcError.getErrorType() + ", " + "ErrorTag: " +
 608                             rpcError.getTag() + ", " + "ErrorMessage: " + rpcError.getMessage());
 609                     errorResponseList.add(errorResponse);
 610                 }
 611             } else {
 612                 errorResponseList.add("Operation successful with no errors");
 613             }
 614             opBuilder.setResponse(errorResponseList);
 615             result.set(RpcResultBuilder.<CreateL3VPNOutput>success().withResult(opBuilder.build()).build());
 616         }
 617         return result;
 618     }
 619
 620     @Override
 621     public Future<RpcResult<GetL3VPNOutput>> getL3VPN(GetL3VPNInput input) {
 622
 623         GetL3VPNOutputBuilder opBuilder = new GetL3VPNOutputBuilder();
 624         SettableFuture<RpcResult<GetL3VPNOutput>> result = SettableFuture.create();
 625         Uuid inputVpnId = input.getId();
 626         List<VpnInstance> vpns = new ArrayList<VpnInstance>();
 627
 628         try {
 629             if (inputVpnId == null) {
 630                 // get all vpns
 631                 InstanceIdentifier<VpnInstances> vpnsIdentifier =
 632                         InstanceIdentifier.builder(VpnInstances.class).build();
 633                 Optional<VpnInstances> optionalVpns = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 634                         vpnsIdentifier);
 635                 if (optionalVpns.isPresent() && optionalVpns.get().getVpnInstance() != null) {
 636                     for (VpnInstance vpn : optionalVpns.get().getVpnInstance()) {
 637                         // eliminating internal VPNs from getL3VPN output
 638                         if (vpn.getIpv4Family().getRouteDistinguisher() != null) {
 639                             vpns.add(vpn);
 640                         }
 641                     }
 642                 } else {
 643                     // No VPN present
 644                     result.set(RpcResultBuilder.<GetL3VPNOutput>failed()
 645                             .withWarning(ErrorType.PROTOCOL, "", "No VPN is present").build());
 646                     return result;
 647                 }
 648             } else {
 649                 String name = inputVpnId.getValue();
 650                 InstanceIdentifier<VpnInstance> vpnIdentifier =
 651                         InstanceIdentifier.builder(VpnInstances.class)
 652                                 .child(VpnInstance.class, new VpnInstanceKey(name)).build();
 653                 // read VpnInstance Info
 654                 Optional<VpnInstance> optionalVpn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 655                         vpnIdentifier);
 656                 if (optionalVpn.isPresent()) {
 657                     vpns.add(optionalVpn.get());
 658                 } else {
 659                     String message = String.format("GetL3VPN failed because VPN %s is not present", name);
 660                     logger.error(message);
 661                     result.set(RpcResultBuilder.<GetL3VPNOutput>failed()
 662                             .withWarning(ErrorType.PROTOCOL, "invalid-value", message).build());
 663                 }
 664             }
 665             List<L3vpnInstances> l3vpnList = new ArrayList<L3vpnInstances>();
 666             for (VpnInstance vpnInstance : vpns) {
 667                 Uuid vpnId = new Uuid(vpnInstance.getVpnInstanceName());
 668                 // create VpnMaps id
 669                 InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class).child(VpnMap
 670                         .class, new VpnMapKey(vpnId)).build();
 671                 L3vpnInstancesBuilder l3vpn = new L3vpnInstancesBuilder();
 672
 673                 List<String> rd = Arrays.asList(vpnInstance.getIpv4Family().getRouteDistinguisher().split(","));
 674                 List<VpnTarget> vpnTargetList = vpnInstance.getIpv4Family().getVpnTargets().getVpnTarget();
 675
 676                 List<String> ertList = new ArrayList<String>();
 677                 List<String> irtList = new ArrayList<String>();
 678
 679                 for (VpnTarget vpnTarget : vpnTargetList) {
 680                     if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ExportExtcommunity) {
 681                         ertList.add(vpnTarget.getVrfRTValue());
 682                     }
 683                     if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ImportExtcommunity) {
 684                         irtList.add(vpnTarget.getVrfRTValue());
 685                     }
 686                     if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.Both) {
 687                         ertList.add(vpnTarget.getVrfRTValue());
 688                         irtList.add(vpnTarget.getVrfRTValue());
 689                     }
 690                 }
 691
 692                 l3vpn.setId(vpnId).setRouteDistinguisher(rd).setImportRT(irtList).setExportRT(ertList);
 693                 Optional<VpnMap> optionalVpnMap = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 694                         vpnMapIdentifier);
 695                 if (optionalVpnMap.isPresent()) {
 696                     VpnMap vpnMap = optionalVpnMap.get();
 697                     l3vpn.setRouterId(vpnMap.getRouterId()).setNetworkIds(vpnMap.getNetworkIds())
 698                             .setTenantId(vpnMap.getTenantId()).setName(vpnMap.getName());
 699                 }
 700                 l3vpnList.add(l3vpn.build());
 701             }
 702
 703             opBuilder.setL3vpnInstances(l3vpnList);
 704             result.set(RpcResultBuilder.<GetL3VPNOutput>success().withResult(opBuilder.build()).build());
 705
 706         } catch (Exception ex) {
 707             String message = String.format("GetL3VPN failed due to %s", ex.getMessage());
 708             logger.error(message, ex);
 709             result.set(RpcResultBuilder.<GetL3VPNOutput>failed().withError(ErrorType.APPLICATION, message).build());
 710         }
 711         return result;
 712     }
 713
 714     @Override
 715     public Future<RpcResult<DeleteL3VPNOutput>> deleteL3VPN(DeleteL3VPNInput input) {
 716
 717         DeleteL3VPNOutputBuilder opBuilder = new DeleteL3VPNOutputBuilder();
 718         SettableFuture<RpcResult<DeleteL3VPNOutput>> result = SettableFuture.create();
 719         List<RpcError> errorList = new ArrayList<RpcError>();
 720
 721         int failurecount = 0;
 722         int warningcount = 0;
 723         List<Uuid> vpns = input.getId();
 724         for (Uuid vpn : vpns) {
 725             RpcError error;
 726             String msg;
 727             try {
 728                 InstanceIdentifier<VpnInstance> vpnIdentifier =
 729                         InstanceIdentifier.builder(VpnInstances.class)
 730                                 .child(VpnInstance.class, new VpnInstanceKey(vpn.getValue())).build();
 731                 Optional<VpnInstance> optionalVpn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 732                         vpnIdentifier);
 733                 if (optionalVpn.isPresent()) {
 734                     removeL3Vpn(vpn);
 735                 } else {
 736                     msg = String.format("VPN with vpnid: %s does not exist", vpn.getValue());
 737                     logger.warn(msg);
 738                     error = RpcResultBuilder.newWarning(ErrorType.PROTOCOL, "invalid-value", msg);
 739                     errorList.add(error);
 740                     warningcount++;
 741                 }
 742             } catch (Exception ex) {
 743                 msg = String.format("Deletion of L3VPN failed when deleting for uuid %s", vpn.getValue());
 744                 logger.error(msg, ex);
 745                 error = RpcResultBuilder.newError(ErrorType.APPLICATION, msg, ex.getMessage());
 746                 errorList.add(error);
 747                 failurecount++;
 748             }
 749         }
 750         // if at least one succeeds; result is success
 751         // if none succeeds; result is failure
 752         if (failurecount + warningcount == vpns.size()) {
 753             result.set(RpcResultBuilder.<DeleteL3VPNOutput>failed().withRpcErrors(errorList).build());
 754         } else {
 755             List<String> errorResponseList = new ArrayList<>();
 756             if (!errorList.isEmpty()) {
 757                 for (RpcError rpcError : errorList) {
 758                     String errorResponse = String.format("ErrorType: " + rpcError.getErrorType() + ", " + "ErrorTag: " +
 759                             rpcError.getTag() + ", " + "ErrorMessage: " + rpcError.getMessage());
 760                     errorResponseList.add(errorResponse);
 761                 }
 762             } else {
 763                 errorResponseList.add("Operation successful with no errors");
 764             }
 765             opBuilder.setResponse(errorResponseList);
 766             result.set(RpcResultBuilder.<DeleteL3VPNOutput>success().withResult(opBuilder.build()).build());
 767         }
 768         return result;
 769     }
 770
 771     protected void addSubnetToVpn(Uuid vpnId, Uuid subnet) {
 772         logger.debug("Adding subnet {} to vpn {}", subnet.getValue(), vpnId.getValue());
 773         Subnetmap sn = updateSubnetNode(subnet, null, null, null, null, vpnId, null);
 774         // Check if there are ports on this subnet and add corresponding vpn-interfaces
 775         List<Uuid> portList = sn.getPortList();
 776         if (portList != null) {
 777             for (Uuid port : sn.getPortList()) {
 778                 logger.debug("adding vpn-interface for port {}", port.getValue());
 779                 createVpnInterface(vpnId, getNeutronPort(port));
 780             }
 781         }
 782     }
 783
 784     protected void updateVpnForSubnet(Uuid vpnId, Uuid subnet) {
 785         logger.debug("Updating VPN {} for subnet {}", vpnId.getValue(), subnet.getValue());
 786         Subnetmap sn = updateSubnetNode(subnet, null, null, null, null, vpnId, null);
 787         // Check for ports on this subnet and update association of corresponding vpn-interfaces to external vpn
 788         List<Uuid> portList = sn.getPortList();
 789         if (portList != null) {
 790             for (Uuid port : sn.getPortList()) {
 791                 logger.debug("Updating vpn-interface for port {}", port.getValue());
 792                 updateVpnInterface(vpnId, getNeutronPort(port));
 793             }
 794         }
 795     }
 796
 797     protected List<Adjacency> addAdjacencyforExtraRoute(List<Routes> routeList, boolean rtrUp, String vpnifname) {
 798         List<Adjacency> adjList = new ArrayList<Adjacency>();
 799         for (Routes route : routeList) {
 800             if (route != null && route.getNexthop() != null && route.getDestination() != null) {
 801                 boolean isLockAcquired = false;
 802                 String nextHop = String.valueOf(route.getNexthop().getValue());
 803                 String destination = String.valueOf(route.getDestination().getValue());
 804
 805                 String infName = NeutronvpnUtils.getNeutronPortNamefromPortFixedIp(broker, nextHop);
 806                 logger.trace("Adding extra route with nexthop {}, destination {}, infName {}", nextHop,
 807                         destination, infName);
 808                 Adjacency erAdj = new AdjacencyBuilder().setIpAddress(destination).setNextHopIp(nextHop).setKey
 809                         (new AdjacencyKey(destination)).build();
 810                 if (rtrUp == false) {
 811                     if (infName.equals(vpnifname)) {
 812                         adjList.add(erAdj);
 813                     }
 814                     continue;
 815                 }
 816                 InstanceIdentifier<VpnInterface> vpnIfIdentifier = InstanceIdentifier.builder(VpnInterfaces.class).
 817                         child(VpnInterface.class, new VpnInterfaceKey(infName)).build();
 818                 try {
 819                     Optional<VpnInterface> optionalVpnInterface = NeutronvpnUtils.read(broker, LogicalDatastoreType
 820                             .CONFIGURATION, vpnIfIdentifier);
 821                     if (optionalVpnInterface.isPresent()) {
 822                         Adjacencies erAdjs = new AdjacenciesBuilder().setAdjacency(Arrays.asList(erAdj)).build();
 823                         VpnInterface vpnIf = new VpnInterfaceBuilder().setKey(new VpnInterfaceKey(infName))
 824                                 .addAugmentation(Adjacencies.class, erAdjs).build();
 825                         isLockAcquired = NeutronvpnUtils.lock(lockManager, infName);
 826                         logger.debug("Adding extra route {}", route);
 827                         MDSALUtil.syncUpdate(broker, LogicalDatastoreType.CONFIGURATION, vpnIfIdentifier, vpnIf);
 828                     } else {
 829                         logger.error("VM adjacency for interface {} not present ; cannot add extra route adjacency",
 830                                 infName);
 831                     }
 832                 } catch (Exception e) {
 833                     logger.error("exception in adding extra route: {}" + e);
 834                 } finally {
 835                     if (isLockAcquired) {
 836                         NeutronvpnUtils.unlock(lockManager, infName);
 837                     }
 838                 }
 839             } else {
 840                 logger.error("Incorrect input received for extra route. {}", route);
 841             }
 842         }
 843         return adjList;
 844     }
 845
 846     protected void removeAdjacencyforExtraRoute(List<Routes> routeList) {
 847         for (Routes route : routeList) {
 848             if (route != null && route.getNexthop() != null && route.getDestination() != null) {
 849                 boolean isLockAcquired = false;
 850                 String nextHop = String.valueOf(route.getNexthop().getValue());
 851                 String destination = String.valueOf(route.getDestination().getValue());
 852
 853                 String infName = NeutronvpnUtils.getNeutronPortNamefromPortFixedIp(broker, nextHop);
 854                 logger.trace("Removing extra route with nexthop {}, destination {}, infName {}", nextHop,
 855                         destination, infName);
 856                 InstanceIdentifier<Adjacency> adjacencyIdentifier = InstanceIdentifier.builder(VpnInterfaces.class).
 857                         child(VpnInterface.class, new VpnInterfaceKey(infName)).augmentation(Adjacencies.class)
 858                         .child(Adjacency.class, new AdjacencyKey(destination)).build();
 859                 try {
 860                     isLockAcquired = NeutronvpnUtils.lock(lockManager, infName);
 861                     MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, adjacencyIdentifier);
 862                     logger.trace("extra route {} deleted successfully", route);
 863                 } catch (Exception e) {
 864                     logger.error("exception in deleting extra route: {}" + e);
 865                 } finally {
 866                     if (isLockAcquired) {
 867                         NeutronvpnUtils.unlock(lockManager, infName);
 868                     }
 869                 }
 870             } else {
 871                 logger.error("Incorrect input received for extra route. {}", route);
 872             }
 873         }
 874     }
 875
 876     protected void addPortToVpn(Uuid vpnId, Uuid port) {
 877         logger.debug("Adding Port to vpn node...");
 878         createVpnInterface(vpnId, getNeutronPort(port));
 879     }
 880
 881     protected void removeL3Vpn(Uuid id) {
 882         // read VPNMaps
 883         VpnMap vpnMap = NeutronvpnUtils.getVpnMap(broker, id);
 884         Uuid router = vpnMap.getRouterId();
 885         // dissociate router
 886         if (router != null) {
 887             dissociateRouterFromVpn(id, router);
 888         }
 889         // dissociate networks
 890         if (!id.equals(router)) {
 891             dissociateNetworksFromVpn(id, vpnMap.getNetworkIds());
 892         }
 893         // remove entire vpnMaps node
 894         deleteVpnMapsNode(id);
 895
 896         // remove vpn-instance
 897         deleteVpnInstance(id);
 898     }
 899
 900     protected void removePortFromVpn(Uuid vpnId, Uuid port) {
 901         logger.debug("Removing Port from vpn node...");
 902         deleteVpnInterface(getNeutronPort(port));
 903     }
 904
 905     protected void removeSubnetFromVpn(Uuid vpnId, Uuid subnet) {
 906         logger.debug("Removing subnet {} from vpn {}", subnet.getValue(), vpnId.getValue());
 907         Subnetmap sn = NeutronvpnUtils.getSubnetmap(broker, subnet);
 908         if (sn != null) {
 909             // Check if there are ports on this subnet; remove corresponding vpn-interfaces
 910             List<Uuid> portList = sn.getPortList();
 911             if (portList != null) {
 912                 for (Uuid port : sn.getPortList()) {
 913                     logger.debug("removing vpn-interface for port {}", port.getValue());
 914                     deleteVpnInterface(getNeutronPort(port));
 915                 }
 916             }
 917             // update subnet-vpn association
 918             removeFromSubnetNode(subnet, null, null, vpnId, null);
 919         } else {
 920             logger.warn("Subnetmap for subnet {} not found", subnet.getValue());
 921         }
 922     }
 923
 924     protected void associateRouterToVpn(Uuid vpnId, Uuid routerId) {
 925         updateVpnMaps(vpnId, null, routerId, null, null);
 926         List<Uuid> routerSubnets = NeutronvpnUtils.getNeutronRouterSubnetIds(broker, routerId);
 927         if (!vpnId.equals(routerId)) {
 928             logger.debug("Updating association of subnets to external vpn {}", vpnId.getValue());
 929             if (routerSubnets != null) {
 930                 for (Uuid subnetId : routerSubnets) {
 931                     updateVpnForSubnet(vpnId, subnetId);
 932                 }
 933             }
 934         } else {
 935             logger.debug("Adding subnets to internal vpn {}", vpnId.getValue());
 936             for (Uuid subnet : routerSubnets) {
 937                 addSubnetToVpn(vpnId, subnet);
 938             }
 939         }
 940     }
 941
 942     protected void dissociateRouterFromVpn(Uuid vpnId, Uuid routerId) {
 943
 944         List<Uuid> routerSubnets = NeutronvpnUtils.getNeutronRouterSubnetIds(broker, routerId);
 945         if (routerSubnets != null) {
 946             for (Uuid subnetId : routerSubnets) {
 947                 logger.debug("Updating association of subnets to internal vpn {}", routerId.getValue());
 948                 updateVpnForSubnet(routerId, subnetId);
 949             }
 950         }
 951         clearFromVpnMaps(vpnId, routerId, null);
 952     }
 953
 954     protected List<String> associateNetworksToVpn(Uuid vpn, List<Uuid> networks) {
 955         List<String> failed = new ArrayList<String>();
 956         if (!networks.isEmpty()) {
 957             // store in Data Base
 958             updateVpnMaps(vpn, null, null, null, networks);
 959             // process corresponding subnets for VPN
 960             for (Uuid nw : networks) {
 961                 if (NeutronvpnUtils.getNeutronNetwork(broker, nw) == null) {
 962                     failed.add(nw.getValue());
 963                 } else {
 964                     List<Uuid> networkSubnets = NeutronvpnUtils.getSubnetIdsFromNetworkId(broker, nw);
 965                     logger.debug("Adding network subnets...");
 966                     if (networkSubnets != null) {
 967                         for (Uuid subnet : networkSubnets) {
 968                             addSubnetToVpn(vpn, subnet);
 969                         }
 970                     }
 971                 }
 972             }
 973         }
 974         return failed;
 975     }
 976
 977     protected List<String> dissociateNetworksFromVpn(Uuid vpn, List<Uuid> networks) {
 978         List<String> failed = new ArrayList<String>();
 979         if (networks != null && !networks.isEmpty()) {
 980             // store in Data Base
 981             clearFromVpnMaps(vpn, null, networks);
 982             // process corresponding subnets for VPN
 983             for (Uuid nw : networks) {
 984                 if (NeutronvpnUtils.getNeutronNetwork(broker, nw) == null) {
 985                     failed.add(nw.getValue());
 986                 } else {
 987                     List<Uuid> networkSubnets = NeutronvpnUtils.getSubnetIdsFromNetworkId(broker, nw);
 988                     logger.debug("Removing network subnets...");
 989                     if (networkSubnets != null) {
 990                         for (Uuid subnet : networkSubnets) {
 991                             removeSubnetFromVpn(vpn, subnet);
 992                         }
 993                     }
 994                 }
 995             }
 996         }
 997         return failed;
 998     }
 999
1000     @Override
1001     public Future<RpcResult<AssociateNetworksOutput>> associateNetworks(AssociateNetworksInput input) {
1002
1003         AssociateNetworksOutputBuilder opBuilder = new AssociateNetworksOutputBuilder();
1004         SettableFuture<RpcResult<AssociateNetworksOutput>> result = SettableFuture.create();
1005         logger.debug("associateNetworks {}", input);
1006         StringBuilder returnMsg = new StringBuilder();
1007         Uuid vpnId = input.getVpnId();
1008
1009         try {
1010             if (NeutronvpnUtils.getVpnMap(broker, vpnId) != null) {
1011                 List<Uuid> netIds = input.getNetworkId();
1012                 if (netIds != null && !netIds.isEmpty()) {
1013                     List<String> failed = associateNetworksToVpn(vpnId, netIds);
1014                     if (!failed.isEmpty()) {
1015                         returnMsg.append("network(s) not found : ").append(failed);
1016                     }
1017                 }
1018             } else {
1019                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
1020             }
1021             if (returnMsg.length() != 0) {
1022                 String message = String.format("associate Networks to vpn %s failed due to %s", vpnId.getValue(),
1023                         returnMsg);
1024                 logger.error(message);
1025                 String errorResponse = String.format("ErrorType: PROTOCOL, ErrorTag: invalid-value, ErrorMessage: " +
1026                         message);
1027                 opBuilder.setResponse(errorResponse);
1028                 result.set(RpcResultBuilder.<AssociateNetworksOutput>success().withResult(opBuilder.build()).build());
1029             } else {
1030                 result.set(RpcResultBuilder.<AssociateNetworksOutput>success().build());
1031             }
1032         } catch (Exception ex) {
1033             String message = String.format("associate Networks to vpn %s failed due to %s", input.getVpnId().getValue(),
1034                     ex.getMessage());
1035             logger.error(message, ex);
1036             result.set(RpcResultBuilder.<AssociateNetworksOutput>failed().withError(ErrorType.APPLICATION, message)
1037                     .build());
1038         }
1039         logger.debug("associateNetworks returns..");
1040         return result;
1041     }
1042
1043     @Override
1044     public Future<RpcResult<Void>> associateRouter(AssociateRouterInput input) {
1045
1046         SettableFuture<RpcResult<Void>> result = SettableFuture.create();
1047         logger.debug("associateRouter {}", input);
1048         StringBuilder returnMsg = new StringBuilder();
1049         Uuid vpnId = input.getVpnId();
1050         Uuid routerId = input.getRouterId();
1051         try {
1052             if (routerId != null && vpnId != null) {
1053                 Router rtr = NeutronvpnUtils.getNeutronRouter(broker, routerId);
1054                 VpnMap vpnMap = NeutronvpnUtils.getVpnMap(broker, vpnId);
1055                 if (rtr != null && vpnMap != null) {
1056                     if (vpnMap.getRouterId() != null) {
1057                         returnMsg.append("vpn ").append(vpnId.getValue()).append(" already associated to router ")
1058                                 .append(vpnMap.getRouterId().getValue());
1059                     } else {
1060                         associateRouterToVpn(vpnId, routerId);
1061                     }
1062                 } else {
1063                     returnMsg.append("router not found : ").append(routerId.getValue());
1064                 }
1065             } else {
1066                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
1067             }
1068             if (returnMsg.length() != 0) {
1069                 String message = String.format("associate router to vpn %s failed due to %s", routerId.getValue(),
1070                         returnMsg);
1071                 logger.error(message);
1072                 result.set(RpcResultBuilder.<Void>failed().withWarning(ErrorType.PROTOCOL, "invalid-value", message)
1073                         .build());
1074             } else {
1075                 result.set(RpcResultBuilder.<Void>success().build());
1076             }
1077         } catch (Exception ex) {
1078             String message = String.format("associate router %s to vpn %s failed due to %s", routerId.getValue(),
1079                     vpnId.getValue(), ex.getMessage());
1080             logger.error(message, ex);
1081             result.set(RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION, message).build());
1082         }
1083         logger.debug("associateRouter returns..");
1084         return result;
1085     }
1086
1087     @Override
1088     public Future<RpcResult<DissociateNetworksOutput>> dissociateNetworks(DissociateNetworksInput input) {
1089
1090         DissociateNetworksOutputBuilder opBuilder = new DissociateNetworksOutputBuilder();
1091         SettableFuture<RpcResult<DissociateNetworksOutput>> result = SettableFuture.create();
1092
1093         logger.debug("dissociateNetworks {}", input);
1094         StringBuilder returnMsg = new StringBuilder();
1095         Uuid vpnId = input.getVpnId();
1096
1097         try {
1098             if (NeutronvpnUtils.getVpnMap(broker, vpnId) != null) {
1099                 List<Uuid> netIds = input.getNetworkId();
1100                 if (netIds != null && !netIds.isEmpty()) {
1101                     List<String> failed = dissociateNetworksFromVpn(vpnId, netIds);
1102                     if (!failed.isEmpty()) {
1103                         returnMsg.append("netowrk(s) not found : ").append(failed);
1104                     }
1105                 }
1106             } else {
1107                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
1108             }
1109             if (returnMsg.length() != 0) {
1110                 String message = String.format("dissociate Networks to vpn %s failed due to %s", vpnId.getValue(),
1111                         returnMsg);
1112                 logger.error(message);
1113                 String errorResponse = String.format("ErrorType: PROTOCOL, ErrorTag: invalid-value, ErrorMessage: " +
1114                         message);
1115                 opBuilder.setResponse(errorResponse);
1116                 result.set(RpcResultBuilder.<DissociateNetworksOutput>success().withResult(opBuilder.build()).build());
1117             } else {
1118                 result.set(RpcResultBuilder.<DissociateNetworksOutput>success().build());
1119             }
1120         } catch (Exception ex) {
1121             String message = String.format("dissociate Networks to vpn %s failed due to %s", input.getVpnId().
1122                     getValue(), ex.getMessage());
1123             logger.error(message, ex);
1124             result.set(RpcResultBuilder.<DissociateNetworksOutput>failed().withError(ErrorType.APPLICATION, message)
1125                     .build());
1126         }
1127         logger.debug("dissociateNetworks returns..");
1128         return result;
1129     }
1130
1131     @Override
1132     public Future<RpcResult<Void>> dissociateRouter(DissociateRouterInput input) {
1133
1134         SettableFuture<RpcResult<Void>> result = SettableFuture.create();
1135
1136         logger.debug("dissociateRouter {}", input);
1137         StringBuilder returnMsg = new StringBuilder();
1138         Uuid vpnId = input.getVpnId();
1139         Uuid routerId = input.getRouterId();
1140         try {
1141             if (NeutronvpnUtils.getVpnMap(broker, vpnId) != null) {
1142                 if (routerId != null) {
1143                     Router rtr = NeutronvpnUtils.getNeutronRouter(broker, routerId);
1144                     if (rtr != null) {
1145                         dissociateRouterFromVpn(vpnId, routerId);
1146                     } else {
1147                         returnMsg.append("router not found : ").append(routerId.getValue());
1148                     }
1149                 }
1150             } else {
1151                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
1152             }
1153             if (returnMsg.length() != 0) {
1154                 String message = String.format("dissociate router %s to vpn %s failed due to %s", routerId.getValue(),
1155                         vpnId.getValue(), returnMsg);
1156                 logger.error(message);
1157                 String errorResponse = String.format("ErrorType: PROTOCOL, ErrorTag: invalid-value, ErrorMessage: " +
1158                         message);
1159                 result.set(RpcResultBuilder.<Void>failed().withWarning(ErrorType.PROTOCOL, "invalid-value", message)
1160                         .build());
1161             } else {
1162                 result.set(RpcResultBuilder.<Void>success().build());
1163             }
1164         } catch (Exception ex) {
1165             String message = String.format("disssociate router %s to vpn %s failed due to %s", routerId.getValue(),
1166                     vpnId.getValue(), ex.getMessage());
1167             logger.error(message, ex);
1168             result.set(RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION, message).build());
1169         }
1170         logger.debug("dissociateRouter returns..");
1171
1172         return result;
1173     }
1174
1175     protected void handleNeutronRouterDeleted(Uuid routerId, List<Uuid> routerSubnetIds) {
1176         // check if the router is associated to some VPN
1177         Uuid vpnId = NeutronvpnUtils.getVpnForRouter(broker, routerId, true);
1178         if (vpnId != null) {
1179             // remove existing external vpn interfaces
1180             for (Uuid subnetId : routerSubnetIds) {
1181                 removeSubnetFromVpn(vpnId, subnetId);
1182             }
1183             clearFromVpnMaps(vpnId, routerId, null);
1184         } else {
1185             // remove existing internal vpn interfaces
1186             for (Uuid subnetId : routerSubnetIds) {
1187                 removeSubnetFromVpn(routerId, subnetId);
1188             }
1189         }
1190         // delete entire vpnMaps node for internal VPN
1191         deleteVpnMapsNode(routerId);
1192
1193         // delete vpn-instance for internal VPN
1194         deleteVpnInstance(routerId);
1195     }
1196
1197     protected Subnet getNeutronSubnet(Uuid subnetId) {
1198         InstanceIdentifier<Subnet> inst = InstanceIdentifier.create(Neutron.class).
1199                 child(Subnets.class).child(Subnet.class, new SubnetKey(subnetId));
1200         Optional<Subnet> sn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, inst);
1201
1202         if (sn.isPresent()) {
1203             return sn.get();
1204         }
1205         return null;
1206     }
1207
1208     protected IpAddress getNeutronSubnetGateway(Uuid subnetId) {
1209         Subnet sn = getNeutronSubnet(subnetId);
1210         if (null != sn) {
1211             return sn.getGatewayIp();
1212         }
1213         return null;
1214     }
1215
1216     protected Port getNeutronPort(String name) {
1217         Uuid portId = NeutronvpnUtils.getNeutronPortIdfromPortName(broker, name);
1218         if (portId != null) {
1219             InstanceIdentifier<Port> pid = InstanceIdentifier.create(Neutron.class).
1220                     child(Ports.class).child(Port.class, new PortKey(portId));
1221             Optional<Port> optPort = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, pid);
1222             if (optPort.isPresent()) {
1223                 return optPort.get();
1224             }
1225         } else {
1226             logger.error("Port {} not Found!!", name);
1227         }
1228         return null;
1229     }
1230
1231     protected Port getNeutronPort(Uuid portId) {
1232         InstanceIdentifier<Port> pid = InstanceIdentifier.create(Neutron.class).
1233                 child(Ports.class).child(Port.class, new PortKey(portId));
1234         Optional<Port> optPort = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, pid);
1235         if (optPort.isPresent()) {
1236             return optPort.get();
1237         }
1238         return null;
1239     }
1240
1241     protected List<Uuid> getSubnetsforVpn(Uuid vpnid) {
1242         List<Uuid> subnets = new ArrayList<Uuid>();
1243         //read subnetmaps
1244         InstanceIdentifier<Subnetmaps> subnetmapsid = InstanceIdentifier.builder(Subnetmaps.class).build();
1245         Optional<Subnetmaps> subnetmaps = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
1246                 subnetmapsid);
1247         if (subnetmaps.isPresent() && subnetmaps.get().getSubnetmap() != null) {
1248             List<Subnetmap> subnetMapList = subnetmaps.get().getSubnetmap();
1249             for (Subnetmap subnetMap : subnetMapList) {
1250                 if (subnetMap.getVpnId() != null && subnetMap.getVpnId().equals(vpnid)) {
1251                     subnets.add(subnetMap.getId());
1252                 }
1253             }
1254         }
1255         return subnets;
1256     }
1257
1258     public List<String> showNeutronPortsCLI() {
1259         List<String> result = new ArrayList<String>();
1260         result.add(String.format(" %-34s  %-22s  %-22s  %-6s ", "PortName", "Mac Address", "IP Address",
1261                 "Prefix Length"));
1262         result.add("---------------------------------------------------------------------------------------");
1263         InstanceIdentifier<Ports> portidentifier = InstanceIdentifier.create(Neutron.class).child(Ports.class);
1264         try {
1265             Optional<Ports> ports = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, portidentifier);
1266             if (ports.isPresent() && ports.get().getPort() != null) {
1267                 List<Port> portList = ports.get().getPort();
1268                 for (Port port : portList) {
1269                     result.add(String.format(" %-34s  %-22s  %-22s  %-6s ", port.getUuid().getValue(), port
1270                             .getMacAddress(), port.getFixedIps().get(0).getIpAddress().getIpv4Address().getValue(),
1271                             NeutronvpnUtils.getIPPrefixFromPort(broker, port)));
1272                 }
1273             }
1274         } catch (Exception e) {
1275             logger.error("Failed to retrieve neutronPorts info : ", e);
1276             System.out.println("Failed to retrieve neutronPorts info : " + e.getMessage());
1277         }
1278         return result;
1279     }
1280
1281     public List<String> showVpnConfigCLI(Uuid vpnuuid) {
1282         List<String> result = new ArrayList<String>();
1283         if (vpnuuid == null) {
1284             System.out.println("");
1285             System.out.println("Displaying VPN config for all VPNs");
1286             System.out.println("To display VPN config for a particular VPN, use the following syntax");
1287             System.out.println(getshowVpnConfigCLIHelp());
1288         }
1289         try {
1290             RpcResult<GetL3VPNOutput> rpcResult = getL3VPN(new GetL3VPNInputBuilder().setId(vpnuuid).build()).get();
1291             if (rpcResult.isSuccessful()) {
1292                 result.add("");
1293                 result.add(String.format(" %-37s %-37s %-7s ", "VPN ID", "Tenant ID", "RD"));
1294                 result.add("");
1295                 result.add(String.format(" %-80s ", "Import-RTs"));
1296                 result.add("");
1297                 result.add(String.format(" %-80s ", "Export-RTs"));
1298                 result.add("");
1299                 result.add(String.format(" %-76s ", "Subnet IDs"));
1300                 result.add("");
1301                 result.add("------------------------------------------------------------------------------------");
1302                 result.add("");
1303                 List<L3vpnInstances> VpnList = rpcResult.getResult().getL3vpnInstances();
1304                 for (L3vpnInstance Vpn : VpnList) {
1305                     String tenantId = Vpn.getTenantId() != null ? Vpn.getTenantId().getValue() : "\"                 " +
1306                             "                  \"";
1307                     result.add(String.format(" %-37s %-37s %-7s ", Vpn.getId().getValue(), tenantId, Vpn
1308                             .getRouteDistinguisher()));
1309                     result.add("");
1310                     result.add(String.format(" %-80s ", Vpn.getImportRT()));
1311                     result.add("");
1312                     result.add(String.format(" %-80s ", Vpn.getExportRT()));
1313                     result.add("");
1314
1315                     Uuid vpnid = Vpn.getId();
1316                     List<Uuid> subnetList = getSubnetsforVpn(vpnid);
1317                     if (!subnetList.isEmpty()) {
1318                         for (Uuid subnetuuid : subnetList) {
1319                             result.add(String.format(" %-76s ", subnetuuid.getValue()));
1320                         }
1321                     } else {
1322                         result.add(String.format(" %-76s ", "\"                                    \""));
1323                     }
1324                     result.add("");
1325                     result.add("----------------------------------------");
1326                     result.add("");
1327                 }
1328             } else {
1329                 String errortag = rpcResult.getErrors().iterator().next().getTag();
1330                 if (errortag == "") {
1331                     System.out.println("");
1332                     System.out.println("No VPN has been configured yet");
1333                 } else if (errortag == "invalid-value") {
1334                     System.out.println("");
1335                     System.out.println("VPN " + vpnuuid.getValue() + " is not present");
1336                 } else {
1337                     System.out.println("error getting VPN info : " + rpcResult.getErrors());
1338                     System.out.println(getshowVpnConfigCLIHelp());
1339                 }
1340             }
1341         } catch (InterruptedException | ExecutionException e) {
1342             logger.error("error getting VPN info : ", e);
1343             System.out.println("error getting VPN info : " + e.getMessage());
1344         }
1345         return result;
1346     }
1347
1348     private String getshowVpnConfigCLIHelp() {
1349         StringBuilder help = new StringBuilder("Usage:");
1350         help.append("display vpn-config [-vid/--vpnid <id>]");
1351         return help.toString();
1352     }
1353
1354 }