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 portname = NeutronvpnUtils.uuidToTapPortName(port.getUuid());
 444         List<Adjacency> adjList = new ArrayList<Adjacency>();
 445         InstanceIdentifier<VpnInterface> vpnIfIdentifier = NeutronvpnUtils.buildVpnInterfaceIdentifier(portname);
 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, portname);
 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(portname)).
 475                 setName(portname).setVpnInstanceName(vpnId.getValue()).addAugmentation(Adjacencies.class, adjs);
 476         VpnInterface vpnIf = vpnb.build();
 477
 478         try {
 479             isLockAcquired = NeutronvpnUtils.lock(lockManager, portname);
 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 {}", portname, ex);
 484         } finally {
 485             if (isLockAcquired) {
 486                 NeutronvpnUtils.unlock(lockManager, portname);
 487             }
 488         }
 489     }
 490
 491     protected void deleteVpnInterface(Port port) {
 492
 493         if (port != null) {
 494             boolean isLockAcquired = false;
 495             String pname = NeutronvpnUtils.uuidToTapPortName(port.getUuid());
 496             InstanceIdentifier<VpnInterface> vpnIfIdentifier = NeutronvpnUtils.buildVpnInterfaceIdentifier(pname);
 497
 498             try {
 499                 isLockAcquired = NeutronvpnUtils.lock(lockManager, pname);
 500                 logger.debug("Deleting vpn interface {}", pname);
 501                 MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, vpnIfIdentifier);
 502             } catch (Exception ex) {
 503                 logger.error("Deletion of vpninterface {} failed due to {}", pname, ex);
 504             } finally {
 505                 if (isLockAcquired) {
 506                     NeutronvpnUtils.unlock(lockManager, pname);
 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 portname = NeutronvpnUtils.uuidToTapPortName(port.getUuid());
 518         String ifname = new StringBuilder(portname).append(":0").toString();
 519         InstanceIdentifier<VpnInterface> vpnIfIdentifier = NeutronvpnUtils.buildVpnInterfaceIdentifier(ifname);
 520         try {
 521             Optional<VpnInterface> optionalVpnInterface = NeutronvpnUtils.read(broker, LogicalDatastoreType
 522                     .CONFIGURATION, vpnIfIdentifier);
 523             if (optionalVpnInterface.isPresent()) {
 524                 VpnInterfaceBuilder vpnIfBuilder = new VpnInterfaceBuilder(optionalVpnInterface.get());
 525                 VpnInterface vpnIf = vpnIfBuilder.setVpnInstanceName(vpnId.getValue()).build();
 526                 isLockAcquired = NeutronvpnUtils.lock(lockManager, ifname);
 527                 logger.debug("Updating vpn interface {}", vpnIf);
 528                 MDSALUtil.syncUpdate(broker, LogicalDatastoreType.CONFIGURATION, vpnIfIdentifier, vpnIf);
 529             } else {
 530                 logger.error("VPN Interface {} not found", ifname);
 531             }
 532         } catch (Exception ex) {
 533             logger.error("Updation of vpninterface {} failed due to {}", ifname, ex);
 534         } finally {
 535             if (isLockAcquired) {
 536                 NeutronvpnUtils.unlock(lockManager, ifname);
 537             }
 538         }
 539     }
 540
 541     public void createL3Vpn(Uuid vpn, String name, Uuid tenant, List<String> rd, List<String> irt, List<String> ert,
 542                             Uuid router, List<Uuid> networks) {
 543
 544         // Update VPN Instance node
 545         updateVpnInstanceNode(vpn.getValue(), rd, irt, ert);
 546
 547         // Update local vpn-subnet DS
 548         updateVpnMaps(vpn, name, router, tenant, networks);
 549
 550         if (router != null) {
 551             associateRouterToVpn(vpn, router);
 552         }
 553         if (networks != null) {
 554             associateNetworksToVpn(vpn, networks);
 555         }
 556     }
 557
 558     @Override
 559     public Future<RpcResult<CreateL3VPNOutput>> createL3VPN(CreateL3VPNInput input) {
 560
 561         CreateL3VPNOutputBuilder opBuilder = new CreateL3VPNOutputBuilder();
 562         SettableFuture<RpcResult<CreateL3VPNOutput>> result = SettableFuture.create();
 563         List<RpcError> errorList = new ArrayList<RpcError>();
 564         int failurecount = 0;
 565         int warningcount = 0;
 566
 567         List<L3vpn> vpns = input.getL3vpn();
 568         for (L3vpn vpn : vpns) {
 569             RpcError error;
 570             String msg;
 571             if (vpn.getRouteDistinguisher() == null || vpn.getImportRT() == null || vpn.getExportRT() == null) {
 572                 msg = String.format("Creation of L3VPN failed for VPN %s due to absence of RD/iRT/eRT input",
 573                         vpn.getId().getValue());
 574                 logger.warn(msg);
 575                 error = RpcResultBuilder.newWarning(ErrorType.PROTOCOL, "invalid-input", msg);
 576                 errorList.add(error);
 577                 warningcount++;
 578                 continue;
 579             }
 580             if (vpn.getRouteDistinguisher().size() > 1) {
 581                 msg = String.format("Creation of L3VPN failed for VPN %s due to multiple RD input %s",
 582                         vpn.getId().getValue(), vpn.getRouteDistinguisher());
 583                 logger.warn(msg);
 584                 error = RpcResultBuilder.newWarning(ErrorType.PROTOCOL, "invalid-input", msg);
 585                 errorList.add(error);
 586                 warningcount++;
 587                 continue;
 588             }
 589             try {
 590                 createL3Vpn(vpn.getId(), vpn.getName(), vpn.getTenantId(), vpn.getRouteDistinguisher(),
 591                         vpn.getImportRT(), vpn.getExportRT(), vpn.getRouterId(), vpn.getNetworkIds());
 592             } catch (Exception ex) {
 593                 msg = String.format("Creation of L3VPN failed for VPN %s", vpn.getId().getValue());
 594                 logger.error(msg, ex);
 595                 error = RpcResultBuilder.newError(ErrorType.APPLICATION, msg, ex.getMessage());
 596                 errorList.add(error);
 597                 failurecount++;
 598             }
 599         }
 600         // if at least one succeeds; result is success
 601         // if none succeeds; result is failure
 602         if (failurecount + warningcount == vpns.size()) {
 603             result.set(RpcResultBuilder.<CreateL3VPNOutput>failed().withRpcErrors(errorList).build());
 604         } else {
 605             List<String> errorResponseList = new ArrayList<>();
 606             if (!errorList.isEmpty()) {
 607                 for (RpcError rpcError : errorList) {
 608                     String errorResponse = String.format("ErrorType: " + rpcError.getErrorType() + ", " + "ErrorTag: " +
 609                             rpcError.getTag() + ", " + "ErrorMessage: " + rpcError.getMessage());
 610                     errorResponseList.add(errorResponse);
 611                 }
 612             } else {
 613                 errorResponseList.add("Operation successful with no errors");
 614             }
 615             opBuilder.setResponse(errorResponseList);
 616             result.set(RpcResultBuilder.<CreateL3VPNOutput>success().withResult(opBuilder.build()).build());
 617         }
 618         return result;
 619     }
 620
 621     @Override
 622     public Future<RpcResult<GetL3VPNOutput>> getL3VPN(GetL3VPNInput input) {
 623
 624         GetL3VPNOutputBuilder opBuilder = new GetL3VPNOutputBuilder();
 625         SettableFuture<RpcResult<GetL3VPNOutput>> result = SettableFuture.create();
 626         Uuid inputVpnId = input.getId();
 627         List<VpnInstance> vpns = new ArrayList<VpnInstance>();
 628
 629         try {
 630             if (inputVpnId == null) {
 631                 // get all vpns
 632                 InstanceIdentifier<VpnInstances> vpnsIdentifier =
 633                         InstanceIdentifier.builder(VpnInstances.class).build();
 634                 Optional<VpnInstances> optionalVpns = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 635                         vpnsIdentifier);
 636                 if (optionalVpns.isPresent() && optionalVpns.get().getVpnInstance() != null) {
 637                     for (VpnInstance vpn : optionalVpns.get().getVpnInstance()) {
 638                         vpns.add(vpn);
 639                     }
 640                 } else {
 641                     // No VPN present
 642                     result.set(RpcResultBuilder.<GetL3VPNOutput>failed()
 643                             .withWarning(ErrorType.PROTOCOL, "", "No VPN is present").build());
 644                     return result;
 645                 }
 646             } else {
 647                 String name = inputVpnId.getValue();
 648                 InstanceIdentifier<VpnInstance> vpnIdentifier =
 649                         InstanceIdentifier.builder(VpnInstances.class)
 650                                 .child(VpnInstance.class, new VpnInstanceKey(name)).build();
 651                 // read VpnInstance Info
 652                 Optional<VpnInstance> optionalVpn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 653                         vpnIdentifier);
 654                 if (optionalVpn.isPresent()) {
 655                     vpns.add(optionalVpn.get());
 656                 } else {
 657                     String message = String.format("GetL3VPN failed because VPN %s is not present", name);
 658                     logger.error(message);
 659                     result.set(RpcResultBuilder.<GetL3VPNOutput>failed()
 660                             .withWarning(ErrorType.PROTOCOL, "invalid-value", message).build());
 661                 }
 662             }
 663             List<L3vpnInstances> l3vpnList = new ArrayList<L3vpnInstances>();
 664             for (VpnInstance vpnInstance : vpns) {
 665                 Uuid vpnId = new Uuid(vpnInstance.getVpnInstanceName());
 666                 // create VpnMaps id
 667                 InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class).child(VpnMap
 668                         .class, new VpnMapKey(vpnId)).build();
 669                 L3vpnInstancesBuilder l3vpn = new L3vpnInstancesBuilder();
 670
 671                 List<String> rd = Arrays.asList(vpnInstance.getIpv4Family().getRouteDistinguisher().split(","));
 672                 List<VpnTarget> vpnTargetList = vpnInstance.getIpv4Family().getVpnTargets().getVpnTarget();
 673
 674                 List<String> ertList = new ArrayList<String>();
 675                 List<String> irtList = new ArrayList<String>();
 676
 677                 for (VpnTarget vpnTarget : vpnTargetList) {
 678                     if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ExportExtcommunity) {
 679                         ertList.add(vpnTarget.getVrfRTValue());
 680                     }
 681                     if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ImportExtcommunity) {
 682                         irtList.add(vpnTarget.getVrfRTValue());
 683                     }
 684                     if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.Both) {
 685                         ertList.add(vpnTarget.getVrfRTValue());
 686                         irtList.add(vpnTarget.getVrfRTValue());
 687                     }
 688                 }
 689
 690                 l3vpn.setId(vpnId).setRouteDistinguisher(rd).setImportRT(irtList).setExportRT(ertList);
 691                 Optional<VpnMap> optionalVpnMap = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 692                         vpnMapIdentifier);
 693                 if (optionalVpnMap.isPresent()) {
 694                     VpnMap vpnMap = optionalVpnMap.get();
 695                     l3vpn.setRouterId(vpnMap.getRouterId()).setNetworkIds(vpnMap.getNetworkIds())
 696                             .setTenantId(vpnMap.getTenantId()).setName(vpnMap.getName());
 697                 }
 698                 l3vpnList.add(l3vpn.build());
 699             }
 700
 701             opBuilder.setL3vpnInstances(l3vpnList);
 702             result.set(RpcResultBuilder.<GetL3VPNOutput>success().withResult(opBuilder.build()).build());
 703
 704         } catch (Exception ex) {
 705             String message = String.format("GetL3VPN failed due to %s", ex.getMessage());
 706             logger.error(message, ex);
 707             result.set(RpcResultBuilder.<GetL3VPNOutput>failed().withError(ErrorType.APPLICATION, message).build());
 708         }
 709         return result;
 710     }
 711
 712     @Override
 713     public Future<RpcResult<DeleteL3VPNOutput>> deleteL3VPN(DeleteL3VPNInput input) {
 714
 715         DeleteL3VPNOutputBuilder opBuilder = new DeleteL3VPNOutputBuilder();
 716         SettableFuture<RpcResult<DeleteL3VPNOutput>> result = SettableFuture.create();
 717         List<RpcError> errorList = new ArrayList<RpcError>();
 718
 719         int failurecount = 0;
 720         int warningcount = 0;
 721         List<Uuid> vpns = input.getId();
 722         for (Uuid vpn : vpns) {
 723             RpcError error;
 724             String msg;
 725             try {
 726                 InstanceIdentifier<VpnInstance> vpnIdentifier =
 727                         InstanceIdentifier.builder(VpnInstances.class)
 728                                 .child(VpnInstance.class, new VpnInstanceKey(vpn.getValue())).build();
 729                 Optional<VpnInstance> optionalVpn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 730                         vpnIdentifier);
 731                 if (optionalVpn.isPresent()) {
 732                     removeL3Vpn(vpn);
 733                 } else {
 734                     msg = String.format("VPN with vpnid: %s does not exist", vpn.getValue());
 735                     logger.warn(msg);
 736                     error = RpcResultBuilder.newWarning(ErrorType.PROTOCOL, "invalid-value", msg);
 737                     errorList.add(error);
 738                     warningcount++;
 739                 }
 740             } catch (Exception ex) {
 741                 msg = String.format("Deletion of L3VPN failed when deleting for uuid %s", vpn.getValue());
 742                 logger.error(msg, ex);
 743                 error = RpcResultBuilder.newError(ErrorType.APPLICATION, msg, ex.getMessage());
 744                 errorList.add(error);
 745                 failurecount++;
 746             }
 747         }
 748         // if at least one succeeds; result is success
 749         // if none succeeds; result is failure
 750         if (failurecount + warningcount == vpns.size()) {
 751             result.set(RpcResultBuilder.<DeleteL3VPNOutput>failed().withRpcErrors(errorList).build());
 752         } else {
 753             List<String> errorResponseList = new ArrayList<>();
 754             if (!errorList.isEmpty()) {
 755                 for (RpcError rpcError : errorList) {
 756                     String errorResponse = String.format("ErrorType: " + rpcError.getErrorType() + ", " + "ErrorTag: " +
 757                             rpcError.getTag() + ", " + "ErrorMessage: " + rpcError.getMessage());
 758                     errorResponseList.add(errorResponse);
 759                 }
 760             } else {
 761                 errorResponseList.add("Operation successful with no errors");
 762             }
 763             opBuilder.setResponse(errorResponseList);
 764             result.set(RpcResultBuilder.<DeleteL3VPNOutput>success().withResult(opBuilder.build()).build());
 765         }
 766         return result;
 767     }
 768
 769     protected void addSubnetToVpn(Uuid vpnId, Uuid subnet) {
 770         logger.debug("Adding subnet {} to vpn {}", subnet.getValue(), vpnId.getValue());
 771         Subnetmap sn = updateSubnetNode(subnet, null, null, null, null, vpnId, null);
 772         // Check if there are ports on this subnet and add corresponding vpn-interfaces
 773         List<Uuid> portList = sn.getPortList();
 774         if (portList != null) {
 775             for (Uuid port : sn.getPortList()) {
 776                 logger.debug("adding vpn-interface for port {}", port.getValue());
 777                 createVpnInterface(vpnId, getNeutronPort(port));
 778             }
 779         }
 780     }
 781
 782     protected void updateVpnForSubnet(Uuid vpnId, Uuid subnet) {
 783         logger.debug("Updating VPN {} for subnet {}", vpnId.getValue(), subnet.getValue());
 784         Subnetmap sn = updateSubnetNode(subnet, null, null, null, null, vpnId, null);
 785         // Check for ports on this subnet and update association of corresponding vpn-interfaces to external vpn
 786         List<Uuid> portList = sn.getPortList();
 787         if (portList != null) {
 788             for (Uuid port : sn.getPortList()) {
 789                 logger.debug("Updating vpn-interface for port {}", port.getValue());
 790                 updateVpnInterface(vpnId, getNeutronPort(port));
 791             }
 792         }
 793     }
 794
 795     protected List<Adjacency> addAdjacencyforExtraRoute(List<Routes> routeList, boolean rtrUp, String vpnifname) {
 796         List<Adjacency> adjList = new ArrayList<Adjacency>();
 797         for (Routes route : routeList) {
 798             if (route != null && route.getNexthop() != null && route.getDestination() != null) {
 799                 boolean isLockAcquired = false;
 800                 String nextHop = String.valueOf(route.getNexthop().getValue());
 801                 String destination = String.valueOf(route.getDestination().getValue());
 802
 803                 String tapPortName = NeutronvpnUtils.getNeutronPortNamefromPortFixedIp(broker, nextHop);
 804                 logger.trace("Adding extra route with nexthop {}, destination {}, ifName {}", nextHop,
 805                         destination, tapPortName);
 806                 Adjacency erAdj = new AdjacencyBuilder().setIpAddress(destination).setNextHopIp(nextHop).setKey
 807                         (new AdjacencyKey(destination)).build();
 808                 if (rtrUp == false) {
 809                     if (tapPortName.equals(vpnifname)) {
 810                         adjList.add(erAdj);
 811                     }
 812                     continue;
 813                 }
 814                 InstanceIdentifier<VpnInterface> vpnIfIdentifier = InstanceIdentifier.builder(VpnInterfaces.class).
 815                         child(VpnInterface.class, new VpnInterfaceKey(tapPortName)).build();
 816                 try {
 817                     Optional<VpnInterface> optionalVpnInterface = NeutronvpnUtils.read(broker, LogicalDatastoreType
 818                             .CONFIGURATION, vpnIfIdentifier);
 819                     if (optionalVpnInterface.isPresent()) {
 820                         Adjacencies erAdjs = new AdjacenciesBuilder().setAdjacency(Arrays.asList(erAdj)).build();
 821                         VpnInterface vpnIf = new VpnInterfaceBuilder().setKey(new VpnInterfaceKey(tapPortName))
 822                                 .addAugmentation(Adjacencies.class, erAdjs).build();
 823                         isLockAcquired = NeutronvpnUtils.lock(lockManager, vpnifname);
 824                         logger.debug("Adding extra route {}", route);
 825                         MDSALUtil.syncUpdate(broker, LogicalDatastoreType.CONFIGURATION, vpnIfIdentifier, vpnIf);
 826                     } else {
 827                         logger.error("VM adjacency for interface {} not present ; cannot add extra route adjacency",
 828                                 tapPortName);
 829                     }
 830                 } catch (Exception e) {
 831                     logger.error("exception in adding extra route: {}" + e);
 832                 } finally {
 833                     if (isLockAcquired) {
 834                         NeutronvpnUtils.unlock(lockManager, vpnifname);
 835                     }
 836                 }
 837             } else {
 838                 logger.error("Incorrect input received for extra route. {}", route);
 839             }
 840         }
 841         return adjList;
 842     }
 843
 844     protected void removeAdjacencyforExtraRoute(List<Routes> routeList) {
 845         for (Routes route : routeList) {
 846             if (route != null && route.getNexthop() != null && route.getDestination() != null) {
 847                 boolean isLockAcquired = false;
 848                 String nextHop = String.valueOf(route.getNexthop().getValue());
 849                 String destination = String.valueOf(route.getDestination().getValue());
 850
 851                 String tapPortName = NeutronvpnUtils.getNeutronPortNamefromPortFixedIp(broker, nextHop);
 852                 logger.trace("Removing extra route with nexthop {}, destination {}, ifName {}", nextHop,
 853                         destination, tapPortName);
 854                 InstanceIdentifier<Adjacency> adjacencyIdentifier = InstanceIdentifier.builder(VpnInterfaces.class).
 855                         child(VpnInterface.class, new VpnInterfaceKey(tapPortName)).augmentation(Adjacencies.class)
 856                         .child(Adjacency.class, new AdjacencyKey(destination)).build();
 857                 try {
 858                     isLockAcquired = NeutronvpnUtils.lock(lockManager, tapPortName);
 859                     MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, adjacencyIdentifier);
 860                     logger.trace("extra route {} deleted successfully", route);
 861                 } catch (Exception e) {
 862                     logger.error("exception in deleting extra route: {}" + e);
 863                 } finally {
 864                     if (isLockAcquired) {
 865                         NeutronvpnUtils.unlock(lockManager, tapPortName);
 866                     }
 867                 }
 868             } else {
 869                 logger.error("Incorrect input received for extra route. {}", route);
 870             }
 871         }
 872     }
 873
 874     protected void addPortToVpn(Uuid vpnId, Uuid port) {
 875         logger.debug("Adding Port to vpn node...");
 876         createVpnInterface(vpnId, getNeutronPort(port));
 877     }
 878
 879     protected void removeL3Vpn(Uuid id) {
 880         // read VPNMaps
 881         VpnMap vpnMap = NeutronvpnUtils.getVpnMap(broker, id);
 882         Uuid router = vpnMap.getRouterId();
 883         // dissociate router
 884         if (router != null) {
 885             dissociateRouterFromVpn(id, router);
 886         }
 887         // dissociate networks
 888         if (!id.equals(router)) {
 889             dissociateNetworksFromVpn(id, vpnMap.getNetworkIds());
 890         }
 891         // remove entire vpnMaps node
 892         deleteVpnMapsNode(id);
 893
 894         // remove vpn-instance
 895         deleteVpnInstance(id);
 896     }
 897
 898     protected void removePortFromVpn(Uuid vpnId, Uuid port) {
 899         logger.debug("Removing Port from vpn node...");
 900         deleteVpnInterface(getNeutronPort(port));
 901     }
 902
 903     protected void removeSubnetFromVpn(Uuid vpnId, Uuid subnet) {
 904         logger.debug("Removing subnet {} from vpn {}", subnet.getValue(), vpnId.getValue());
 905         Subnetmap sn = NeutronvpnUtils.getSubnetmap(broker, subnet);
 906         if (sn != null) {
 907             // Check if there are ports on this subnet; remove corresponding vpn-interfaces
 908             List<Uuid> portList = sn.getPortList();
 909             if (portList != null) {
 910                 for (Uuid port : sn.getPortList()) {
 911                     logger.debug("removing vpn-interface for port {}", port.getValue());
 912                     deleteVpnInterface(getNeutronPort(port));
 913                 }
 914             }
 915             // update subnet-vpn association
 916             removeFromSubnetNode(subnet, null, null, vpnId, null);
 917         } else {
 918             logger.warn("Subnetmap for subnet {} not found", subnet.getValue());
 919         }
 920     }
 921
 922     protected void associateRouterToVpn(Uuid vpnId, Uuid routerId) {
 923         updateVpnMaps(vpnId, null, routerId, null, null);
 924         List<Uuid> routerSubnets = NeutronvpnUtils.getNeutronRouterSubnetIds(broker, routerId);
 925         if (!vpnId.equals(routerId)) {
 926             logger.debug("Updating association of subnets to external vpn {}", vpnId.getValue());
 927             if (routerSubnets != null) {
 928                 for (Uuid subnetId : routerSubnets) {
 929                     updateVpnForSubnet(vpnId, subnetId);
 930                 }
 931             }
 932         } else {
 933             logger.debug("Adding subnets to internal vpn {}", vpnId.getValue());
 934             for (Uuid subnet : routerSubnets) {
 935                 addSubnetToVpn(vpnId, subnet);
 936             }
 937         }
 938     }
 939
 940     protected void dissociateRouterFromVpn(Uuid vpnId, Uuid routerId) {
 941
 942         List<Uuid> routerSubnets = NeutronvpnUtils.getNeutronRouterSubnetIds(broker, routerId);
 943         if (routerSubnets != null) {
 944             for (Uuid subnetId : routerSubnets) {
 945                 logger.debug("Updating association of subnets to internal vpn {}", routerId.getValue());
 946                 updateVpnForSubnet(routerId, subnetId);
 947             }
 948         }
 949         clearFromVpnMaps(vpnId, routerId, null);
 950     }
 951
 952     protected List<String> associateNetworksToVpn(Uuid vpn, List<Uuid> networks) {
 953         List<String> failed = new ArrayList<String>();
 954         if (!networks.isEmpty()) {
 955             // store in Data Base
 956             updateVpnMaps(vpn, null, null, null, networks);
 957             // process corresponding subnets for VPN
 958             for (Uuid nw : networks) {
 959                 if (NeutronvpnUtils.getNeutronNetwork(broker, nw) == null) {
 960                     failed.add(nw.getValue());
 961                 } else {
 962                     List<Uuid> networkSubnets = NeutronvpnUtils.getSubnetIdsFromNetworkId(broker, nw);
 963                     logger.debug("Adding network subnets...");
 964                     if (networkSubnets != null) {
 965                         for (Uuid subnet : networkSubnets) {
 966                             addSubnetToVpn(vpn, subnet);
 967                         }
 968                     }
 969                 }
 970             }
 971         }
 972         return failed;
 973     }
 974
 975     protected List<String> dissociateNetworksFromVpn(Uuid vpn, List<Uuid> networks) {
 976         List<String> failed = new ArrayList<String>();
 977         if (networks != null && !networks.isEmpty()) {
 978             // store in Data Base
 979             clearFromVpnMaps(vpn, null, networks);
 980             // process corresponding subnets for VPN
 981             for (Uuid nw : networks) {
 982                 if (NeutronvpnUtils.getNeutronNetwork(broker, nw) == null) {
 983                     failed.add(nw.getValue());
 984                 } else {
 985                     List<Uuid> networkSubnets = NeutronvpnUtils.getSubnetIdsFromNetworkId(broker, nw);
 986                     logger.debug("Removing network subnets...");
 987                     if (networkSubnets != null) {
 988                         for (Uuid subnet : networkSubnets) {
 989                             removeSubnetFromVpn(vpn, subnet);
 990                         }
 991                     }
 992                 }
 993             }
 994         }
 995         return failed;
 996     }
 997
 998     @Override
 999     public Future<RpcResult<AssociateNetworksOutput>> associateNetworks(AssociateNetworksInput input) {
1000
1001         AssociateNetworksOutputBuilder opBuilder = new AssociateNetworksOutputBuilder();
1002         SettableFuture<RpcResult<AssociateNetworksOutput>> result = SettableFuture.create();
1003         logger.debug("associateNetworks {}", input);
1004         StringBuilder returnMsg = new StringBuilder();
1005         Uuid vpnId = input.getVpnId();
1006
1007         try {
1008             if (NeutronvpnUtils.getVpnMap(broker, vpnId) != null) {
1009                 List<Uuid> netIds = input.getNetworkId();
1010                 if (netIds != null && !netIds.isEmpty()) {
1011                     List<String> failed = associateNetworksToVpn(vpnId, netIds);
1012                     if (!failed.isEmpty()) {
1013                         returnMsg.append("network(s) not found : ").append(failed);
1014                     }
1015                 }
1016             } else {
1017                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
1018             }
1019             if (returnMsg.length() != 0) {
1020                 String message = String.format("associate Networks to vpn %s failed due to %s", vpnId.getValue(),
1021                         returnMsg);
1022                 logger.error(message);
1023                 String errorResponse = String.format("ErrorType: PROTOCOL, ErrorTag: invalid-value, ErrorMessage: " +
1024                         message);
1025                 opBuilder.setResponse(errorResponse);
1026                 result.set(RpcResultBuilder.<AssociateNetworksOutput>success().withResult(opBuilder.build()).build());
1027             } else {
1028                 result.set(RpcResultBuilder.<AssociateNetworksOutput>success().build());
1029             }
1030         } catch (Exception ex) {
1031             String message = String.format("associate Networks to vpn %s failed due to %s", input.getVpnId().getValue(),
1032                     ex.getMessage());
1033             logger.error(message, ex);
1034             result.set(RpcResultBuilder.<AssociateNetworksOutput>failed().withError(ErrorType.APPLICATION, message)
1035                     .build());
1036         }
1037         logger.debug("associateNetworks returns..");
1038         return result;
1039     }
1040
1041     @Override
1042     public Future<RpcResult<Void>> associateRouter(AssociateRouterInput input) {
1043
1044         SettableFuture<RpcResult<Void>> result = SettableFuture.create();
1045         logger.debug("associateRouter {}", input);
1046         StringBuilder returnMsg = new StringBuilder();
1047         Uuid vpnId = input.getVpnId();
1048         Uuid routerId = input.getRouterId();
1049         try {
1050             if (routerId != null && vpnId != null) {
1051                 Router rtr = NeutronvpnUtils.getNeutronRouter(broker, routerId);
1052                 VpnMap vpnMap = NeutronvpnUtils.getVpnMap(broker, vpnId);
1053                 if (rtr != null && vpnMap != null) {
1054                     if (vpnMap.getRouterId() != null) {
1055                         returnMsg.append("vpn ").append(vpnId.getValue()).append(" already associated to router ")
1056                                 .append(vpnMap.getRouterId().getValue());
1057                     } else {
1058                         associateRouterToVpn(vpnId, routerId);
1059                     }
1060                 } else {
1061                     returnMsg.append("router not found : ").append(routerId.getValue());
1062                 }
1063             } else {
1064                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
1065             }
1066             if (returnMsg.length() != 0) {
1067                 String message = String.format("associate router to vpn %s failed due to %s", routerId.getValue(),
1068                         returnMsg);
1069                 logger.error(message);
1070                 result.set(RpcResultBuilder.<Void>failed().withWarning(ErrorType.PROTOCOL, "invalid-value", message)
1071                         .build());
1072             } else {
1073                 result.set(RpcResultBuilder.<Void>success().build());
1074             }
1075         } catch (Exception ex) {
1076             String message = String.format("associate router %s to vpn %s failed due to %s", routerId.getValue(),
1077                     vpnId.getValue(), ex.getMessage());
1078             logger.error(message, ex);
1079             result.set(RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION, message).build());
1080         }
1081         logger.debug("associateRouter returns..");
1082         return result;
1083     }
1084
1085     @Override
1086     public Future<RpcResult<DissociateNetworksOutput>> dissociateNetworks(DissociateNetworksInput input) {
1087
1088         DissociateNetworksOutputBuilder opBuilder = new DissociateNetworksOutputBuilder();
1089         SettableFuture<RpcResult<DissociateNetworksOutput>> result = SettableFuture.create();
1090
1091         logger.debug("dissociateNetworks {}", input);
1092         StringBuilder returnMsg = new StringBuilder();
1093         Uuid vpnId = input.getVpnId();
1094
1095         try {
1096             if (NeutronvpnUtils.getVpnMap(broker, vpnId) != null) {
1097                 List<Uuid> netIds = input.getNetworkId();
1098                 if (netIds != null && !netIds.isEmpty()) {
1099                     List<String> failed = dissociateNetworksFromVpn(vpnId, netIds);
1100                     if (!failed.isEmpty()) {
1101                         returnMsg.append("netowrk(s) not found : ").append(failed);
1102                     }
1103                 }
1104             } else {
1105                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
1106             }
1107             if (returnMsg.length() != 0) {
1108                 String message = String.format("dissociate Networks to vpn %s failed due to %s", vpnId.getValue(),
1109                         returnMsg);
1110                 logger.error(message);
1111                 String errorResponse = String.format("ErrorType: PROTOCOL, ErrorTag: invalid-value, ErrorMessage: " +
1112                         message);
1113                 opBuilder.setResponse(errorResponse);
1114                 result.set(RpcResultBuilder.<DissociateNetworksOutput>success().withResult(opBuilder.build()).build());
1115             } else {
1116                 result.set(RpcResultBuilder.<DissociateNetworksOutput>success().build());
1117             }
1118         } catch (Exception ex) {
1119             String message = String.format("dissociate Networks to vpn %s failed due to %s", input.getVpnId().
1120                     getValue(), ex.getMessage());
1121             logger.error(message, ex);
1122             result.set(RpcResultBuilder.<DissociateNetworksOutput>failed().withError(ErrorType.APPLICATION, message)
1123                     .build());
1124         }
1125         logger.debug("dissociateNetworks returns..");
1126         return result;
1127     }
1128
1129     @Override
1130     public Future<RpcResult<Void>> dissociateRouter(DissociateRouterInput input) {
1131
1132         SettableFuture<RpcResult<Void>> result = SettableFuture.create();
1133
1134         logger.debug("dissociateRouter {}", input);
1135         StringBuilder returnMsg = new StringBuilder();
1136         Uuid vpnId = input.getVpnId();
1137         Uuid routerId = input.getRouterId();
1138         try {
1139             if (NeutronvpnUtils.getVpnMap(broker, vpnId) != null) {
1140                 if (routerId != null) {
1141                     Router rtr = NeutronvpnUtils.getNeutronRouter(broker, routerId);
1142                     if (rtr != null) {
1143                         dissociateRouterFromVpn(vpnId, routerId);
1144                     } else {
1145                         returnMsg.append("router not found : ").append(routerId.getValue());
1146                     }
1147                 }
1148             } else {
1149                 returnMsg.append("VPN not found : ").append(vpnId.getValue());
1150             }
1151             if (returnMsg.length() != 0) {
1152                 String message = String.format("dissociate router %s to vpn %s failed due to %s", routerId.getValue(),
1153                         vpnId.getValue(), returnMsg);
1154                 logger.error(message);
1155                 String errorResponse = String.format("ErrorType: PROTOCOL, ErrorTag: invalid-value, ErrorMessage: " +
1156                         message);
1157                 result.set(RpcResultBuilder.<Void>failed().withWarning(ErrorType.PROTOCOL, "invalid-value", message)
1158                         .build());
1159             } else {
1160                 result.set(RpcResultBuilder.<Void>success().build());
1161             }
1162         } catch (Exception ex) {
1163             String message = String.format("disssociate router %s to vpn %s failed due to %s", routerId.getValue(),
1164                     vpnId.getValue(), ex.getMessage());
1165             logger.error(message, ex);
1166             result.set(RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION, message).build());
1167         }
1168         logger.debug("dissociateRouter returns..");
1169
1170         return result;
1171     }
1172
1173     protected void handleNeutronRouterDeleted(Uuid routerId, List<Uuid> routerSubnetIds) {
1174         // check if the router is associated to some VPN
1175         Uuid vpnId = NeutronvpnUtils.getVpnForRouter(broker, routerId, true);
1176         if (vpnId != null) {
1177             // remove existing external vpn interfaces
1178             for (Uuid subnetId : routerSubnetIds) {
1179                 removeSubnetFromVpn(vpnId, subnetId);
1180             }
1181             clearFromVpnMaps(vpnId, routerId, null);
1182         } else {
1183             // remove existing internal vpn interfaces
1184             for (Uuid subnetId : routerSubnetIds) {
1185                 removeSubnetFromVpn(routerId, subnetId);
1186             }
1187         }
1188         // delete entire vpnMaps node for internal VPN
1189         deleteVpnMapsNode(routerId);
1190
1191         // delete vpn-instance for internal VPN
1192         deleteVpnInstance(routerId);
1193     }
1194
1195     protected Subnet getNeutronSubnet(Uuid subnetId) {
1196         InstanceIdentifier<Subnet> inst = InstanceIdentifier.create(Neutron.class).
1197                 child(Subnets.class).child(Subnet.class, new SubnetKey(subnetId));
1198         Optional<Subnet> sn = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, inst);
1199
1200         if (sn.isPresent()) {
1201             return sn.get();
1202         }
1203         return null;
1204     }
1205
1206     protected IpAddress getNeutronSubnetGateway(Uuid subnetId) {
1207         Subnet sn = getNeutronSubnet(subnetId);
1208         if (null != sn) {
1209             return sn.getGatewayIp();
1210         }
1211         return null;
1212     }
1213
1214     protected Port getNeutronPort(String name) {
1215         Uuid portId = NeutronvpnUtils.getNeutronPortIdfromPortName(broker, name);
1216         if (portId != null) {
1217             InstanceIdentifier<Port> pid = InstanceIdentifier.create(Neutron.class).
1218                     child(Ports.class).child(Port.class, new PortKey(portId));
1219             Optional<Port> optPort = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, pid);
1220             if (optPort.isPresent()) {
1221                 return optPort.get();
1222             }
1223         } else {
1224             logger.error("Port {} not Found!!", name);
1225         }
1226         return null;
1227     }
1228
1229     protected Port getNeutronPort(Uuid portId) {
1230         InstanceIdentifier<Port> pid = InstanceIdentifier.create(Neutron.class).
1231                 child(Ports.class).child(Port.class, new PortKey(portId));
1232         Optional<Port> optPort = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, pid);
1233         if (optPort.isPresent()) {
1234             return optPort.get();
1235         }
1236         return null;
1237     }
1238
1239     protected List<Uuid> getSubnetsforVpn(Uuid vpnid) {
1240         List<Uuid> subnets = new ArrayList<Uuid>();
1241         //read subnetmaps
1242         InstanceIdentifier<Subnetmaps> subnetmapsid = InstanceIdentifier.builder(Subnetmaps.class).build();
1243         Optional<Subnetmaps> subnetmaps = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
1244                 subnetmapsid);
1245         if (subnetmaps.isPresent() && subnetmaps.get().getSubnetmap() != null) {
1246             List<Subnetmap> subnetMapList = subnetmaps.get().getSubnetmap();
1247             for (Subnetmap subnetMap : subnetMapList) {
1248                 if (subnetMap.getVpnId() != null && subnetMap.getVpnId().equals(vpnid)) {
1249                     subnets.add(subnetMap.getId());
1250                 }
1251             }
1252         }
1253         return subnets;
1254     }
1255
1256     public List<String> showNeutronPortsCLI() {
1257         List<String> result = new ArrayList<String>();
1258         result.add(String.format(" %-22s  %-22s  %-22s  %-6s ", "PortName", "Mac Address", "IP Address",
1259                 "Prefix Length"));
1260         result.add("---------------------------------------------------------------------------------------");
1261         InstanceIdentifier<Ports> portidentifier = InstanceIdentifier.create(Neutron.class).child(Ports.class);
1262         try {
1263             Optional<Ports> ports = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION, portidentifier);
1264             if (ports.isPresent() && ports.get().getPort()!= null) {
1265                 List<Port> portList = ports.get().getPort();
1266                 for (Port port : portList) {
1267                     result.add(String.format(" %-22s  %-22s  %-22s  %-6s ", NeutronvpnUtils.uuidToTapPortName(port
1268                             .getUuid()), port.getMacAddress(), port.getFixedIps().get(0).getIpAddress().getIpv4Address()
1269                             .getValue(), NeutronvpnUtils.getIPPrefixFromPort(broker, port)));
1270                 }
1271             }
1272         } catch (Exception e) {
1273             logger.error("Failed to retrieve neutronPorts info : ", e);
1274             System.out.println("Failed to retrieve neutronPorts info : " + e.getMessage());
1275         }
1276         return result;
1277     }
1278
1279     public List<String> showVpnConfigCLI(Uuid vpnuuid) {
1280         List<String> result = new ArrayList<String>();
1281         if (vpnuuid == null) {
1282             System.out.println("");
1283             System.out.println("Displaying VPN config for all VPNs");
1284             System.out.println("To display VPN config for a particular VPN, use the following syntax");
1285             System.out.println(getshowVpnConfigCLIHelp());
1286         }
1287         try {
1288             RpcResult<GetL3VPNOutput> rpcResult = getL3VPN(new GetL3VPNInputBuilder().setId(vpnuuid).build()).get();
1289             if (rpcResult.isSuccessful()) {
1290                 result.add("");
1291                 result.add(String.format(" %-37s %-37s %-7s ", "VPN ID", "Tenant ID", "RD"));
1292                 result.add("");
1293                 result.add(String.format(" %-80s ", "Import-RTs"));
1294                 result.add("");
1295                 result.add(String.format(" %-80s ", "Export-RTs"));
1296                 result.add("");
1297                 result.add(String.format(" %-76s ", "Subnet IDs"));
1298                 result.add("");
1299                 result.add("------------------------------------------------------------------------------------");
1300                 result.add("");
1301                 List<L3vpnInstances> VpnList = rpcResult.getResult().getL3vpnInstances();
1302                 for (L3vpnInstance Vpn : VpnList) {
1303                     String tenantId = Vpn.getTenantId() != null ? Vpn.getTenantId().getValue() : "\"                 " +
1304                             "                  \"";
1305                     result.add(String.format(" %-37s %-37s %-7s ", Vpn.getId().getValue(), tenantId, Vpn
1306                             .getRouteDistinguisher()));
1307                     result.add("");
1308                     result.add(String.format(" %-80s ", Vpn.getImportRT()));
1309                     result.add("");
1310                     result.add(String.format(" %-80s ", Vpn.getExportRT()));
1311                     result.add("");
1312
1313                     Uuid vpnid = Vpn.getId();
1314                     List<Uuid> subnetList = getSubnetsforVpn(vpnid);
1315                     if (!subnetList.isEmpty()) {
1316                         for (Uuid subnetuuid : subnetList) {
1317                             result.add(String.format(" %-76s ", subnetuuid.getValue()));
1318                         }
1319                     } else {
1320                         result.add(String.format(" %-76s ", "\"                                    \""));
1321                     }
1322                     result.add("");
1323                     result.add("----------------------------------------");
1324                     result.add("");
1325                 }
1326             } else {
1327                 String errortag = rpcResult.getErrors().iterator().next().getTag();
1328                 if (errortag == "") {
1329                     System.out.println("");
1330                     System.out.println("No VPN has been configured yet");
1331                 } else if (errortag == "invalid-value") {
1332                     System.out.println("");
1333                     System.out.println("VPN " + vpnuuid.getValue() + " is not present");
1334                 } else {
1335                     System.out.println("error getting VPN info : " + rpcResult.getErrors());
1336                     System.out.println(getshowVpnConfigCLIHelp());
1337                 }
1338             }
1339         } catch (InterruptedException | ExecutionException e) {
1340             logger.error("error getting VPN info : ", e);
1341             System.out.println("error getting VPN info : " + e.getMessage());
1342         }
1343         return result;
1344     }
1345
1346     private String getshowVpnConfigCLIHelp() {
1347         StringBuilder help = new StringBuilder("Usage:");
1348         help.append("display vpn-config [-vid/--vpnid <id>]");
1349         return help.toString();
1350     }
1351
1352 }