renderer/src/main/java/org/opendaylight/transportpce/renderer/provisiondevice/DeviceRendererServiceImpl.java

   1 /*
   2  * Copyright © 2017 AT&T and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.transportpce.renderer.provisiondevice;
  10
  11 import com.google.common.collect.Sets;
  12
  13 import java.util.ArrayList;
  14 import java.util.LinkedList;
  15 import java.util.List;
  16 import java.util.Optional;
  17 import java.util.Set;
  18 import java.util.concurrent.ConcurrentLinkedQueue;
  19 import java.util.concurrent.ExecutionException;
  20 import java.util.concurrent.ForkJoinPool;
  21 import java.util.concurrent.ForkJoinTask;
  22 import java.util.concurrent.Future;
  23 import java.util.concurrent.TimeUnit;
  24 import java.util.concurrent.TimeoutException;
  25 import java.util.concurrent.atomic.AtomicBoolean;
  26
  27 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  28 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  29 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  30 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  31 import org.opendaylight.transportpce.common.Timeouts;
  32 import org.opendaylight.transportpce.common.crossconnect.CrossConnect;
  33 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  34 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaceException;
  35 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
  36 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfacesImpl;
  37 import org.opendaylight.transportpce.renderer.openroadminterface.OpenRoadmInterfaceFactory;
  38 import org.opendaylight.transportpce.renderer.provisiondevice.servicepath.ServiceListTopology;
  39 import org.opendaylight.transportpce.renderer.provisiondevice.servicepath.ServicePathDirection;
  40 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev161014.service.Topology;
  41 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.get.connection.port.trail.output.Ports;
  42 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.channel.interfaces.rev161014.OchAttributes.ModulationFormat;
  43 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.channel.interfaces.rev161014.R100G;
  44 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev161014.ServiceList;
  45 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev161014.service.list.Services;
  46 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev161014.service.list.ServicesBuilder;
  47 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev161014.service.list.ServicesKey;
  48 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.node.interfaces.NodeInterface;
  49 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.node.interfaces.NodeInterfaceBuilder;
  50 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.node.interfaces.NodeInterfaceKey;
  51 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.olm.renderer.input.Nodes;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.alarmsuppression.rev171102.ServiceNodelist;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.alarmsuppression.rev171102.service.nodelist.NodelistBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.alarmsuppression.rev171102.service.nodelist.NodelistKey;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.renderer.rev170228.RendererRollbackInput;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.renderer.rev170228.RendererRollbackOutput;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.renderer.rev170228.RendererRollbackOutputBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.renderer.rev170228.ServicePathInput;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.renderer.rev170228.ServicePathOutput;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.renderer.rev170228.ServicePathOutputBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.renderer.rev170228.renderer.rollback.output.FailedToRollback;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.renderer.rev170228.renderer.rollback.output.FailedToRollbackBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.renderer.rev170228.renderer.rollback.output.FailedToRollbackKey;
  64 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  65 import org.slf4j.Logger;
  66 import org.slf4j.LoggerFactory;
  67
  68 public class DeviceRendererServiceImpl implements DeviceRendererService {
  69
  70     private static final Logger LOG = LoggerFactory.getLogger(DeviceRendererServiceImpl.class);
  71
  72     private final DataBroker dataBroker;
  73     private final DeviceTransactionManager deviceTransactionManager;
  74     private final OpenRoadmInterfaceFactory openRoadmInterfaceFactory;
  75     private final OpenRoadmInterfaces openRoadmInterfaces;
  76     private final CrossConnect crossConnect;
  77
  78     public DeviceRendererServiceImpl(DataBroker dataBroker, DeviceTransactionManager deviceTransactionManager,
  79             OpenRoadmInterfaceFactory openRoadmInterfaceFactory, OpenRoadmInterfaces openRoadmInterfaces,
  80             CrossConnect crossConnect) {
  81         this.dataBroker = dataBroker;
  82         this.deviceTransactionManager = deviceTransactionManager;
  83         this.openRoadmInterfaceFactory = openRoadmInterfaceFactory;
  84         this.openRoadmInterfaces = openRoadmInterfaces;
  85         this.crossConnect = crossConnect;
  86     }
  87
  88     @Override
  89     public ServicePathOutput setupServicePath(ServicePathInput input, ServicePathDirection direction) {
  90         List<Nodes> nodes = input.getNodes();
  91         // Register node for suppressing alarms
  92         if (!alarmSuppressionNodeRegistration(input)) {
  93             LOG.warn("Alarm suppresion node registraion failed!!!!");
  94         }
  95
  96         ConcurrentLinkedQueue<String> results = new ConcurrentLinkedQueue<>();
  97         Set<NodeInterface> nodeInterfaces = Sets.newConcurrentHashSet();
  98         Set<String> nodesProvisioned = Sets.newConcurrentHashSet();
  99         ServiceListTopology topology = new ServiceListTopology();
 100         AtomicBoolean success = new AtomicBoolean(true);
 101
 102         ForkJoinPool forkJoinPool = new ForkJoinPool();
 103         ForkJoinTask forkJoinTask = forkJoinPool.submit(() ->
 104             nodes.parallelStream().forEach(node -> {
 105                 String nodeId = node.getNodeId();
 106                 LOG.info("Starting provisioning for node : {}", nodeId);
 107                 List<String> createdEthInterfaces = new ArrayList<>();
 108                 List<String> createdOtuInterfaces = new ArrayList<>();
 109                 List<String> createdOduInterfaces = new ArrayList<>();
 110                 List<String> createdOchInterfaces = new ArrayList<>();
 111                 List<String> createdConnections = new ArrayList<>();
 112                 int crossConnectFlag = 0;
 113
 114                 try {
 115                     // if the node is currently mounted then proceed
 116                     if (this.deviceTransactionManager.isDeviceMounted(nodeId)) {
 117                         String srcTp = node.getSrcTp();
 118                         String destTp = node.getDestTp();
 119
 120                         Long waveNumber = input.getWaveNumber();
 121                         if ((destTp != null) && destTp.contains(OpenRoadmInterfacesImpl.NETWORK_TOKEN)) {
 122                             crossConnectFlag++;
 123                             // create OpenRoadm Xponder Line Interfaces
 124                             String supportingOchInterface = this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(
 125                                     nodeId, destTp, waveNumber, R100G.class, ModulationFormat.DpQpsk);
 126                             createdOchInterfaces.add(supportingOchInterface);
 127
 128                             String supportingOtuInterface = this.openRoadmInterfaceFactory.createOpenRoadmOtu4Interface(
 129                                     nodeId, destTp, supportingOchInterface);
 130                             createdOtuInterfaces.add(supportingOtuInterface);
 131
 132                             createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(
 133                                     nodeId, destTp,supportingOtuInterface));
 134                         }
 135                         if ((srcTp != null) && srcTp.contains(OpenRoadmInterfacesImpl.CLIENT_TOKEN)) {
 136                             crossConnectFlag++;
 137                             // create OpenRoadm Xponder Client Interfaces
 138                             createdEthInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmEthInterface(nodeId,
 139                                     srcTp));
 140
 141
 142                         }
 143                         if ((srcTp != null) && srcTp.contains(OpenRoadmInterfacesImpl.NETWORK_TOKEN)) {
 144                             crossConnectFlag++;
 145                             // create OpenRoadm Xponder Line Interfaces
 146                             String supportingOchInterface = this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(
 147                                     nodeId, srcTp, waveNumber, R100G.class, ModulationFormat.DpQpsk);
 148                             createdOchInterfaces.add(supportingOchInterface);
 149
 150                             String supportingOtuInterface = this.openRoadmInterfaceFactory.createOpenRoadmOtu4Interface(
 151                                     nodeId, srcTp, supportingOchInterface);
 152                             createdOtuInterfaces.add(supportingOtuInterface);
 153
 154                             createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(
 155                                     nodeId, srcTp, supportingOtuInterface));
 156                         }
 157                         if ((destTp != null) && destTp.contains(OpenRoadmInterfacesImpl.CLIENT_TOKEN)) {
 158                             crossConnectFlag++;
 159                             // create OpenRoadm Xponder Client Interfaces
 160                             createdEthInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmEthInterface(nodeId,
 161                                     destTp));
 162
 163
 164                         }
 165                         if ((srcTp != null) && (srcTp.contains(OpenRoadmInterfacesImpl.TTP_TOKEN)
 166                                 || srcTp.contains(OpenRoadmInterfacesImpl.PP_TOKEN))) {
 167                             createdOchInterfaces.add(this.openRoadmInterfaceFactory .createOpenRoadmOchInterface(nodeId,
 168                                     srcTp, waveNumber));
 169                         }
 170                         if ((destTp != null) && (destTp.contains(OpenRoadmInterfacesImpl.TTP_TOKEN)
 171                                 || destTp.contains(OpenRoadmInterfacesImpl.PP_TOKEN))) {
 172                             createdOchInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(nodeId,
 173                                     destTp, waveNumber));
 174                         }
 175                         if (crossConnectFlag < 1) {
 176                             LOG.info("Creating cross connect between source {} and destination {} for node {}",
 177                                     srcTp, destTp, nodeId);
 178                             Optional<String> connectionNameOpt = this.crossConnect.postCrossConnect(nodeId, waveNumber,
 179                                     srcTp, destTp);
 180                             if (connectionNameOpt.isPresent()) {
 181                                 nodesProvisioned.add(nodeId);
 182                                 List<Ports> ports = this.crossConnect.getConnectionPortTrail(nodeId, waveNumber, srcTp,
 183                                         destTp);
 184                                 if (ServicePathDirection.A_TO_Z.equals(direction)) {
 185                                     topology.updateAtoZTopologyList(ports, nodeId);
 186                                 }
 187                                 if (ServicePathDirection.Z_TO_A.equals(direction)) {
 188                                     topology.updateZtoATopologyList(ports, nodeId);
 189
 190                                 }
 191                                 createdConnections.add(connectionNameOpt.get());
 192                             } else {
 193                                 processErrorMessage("Unable to post Roadm-connection for node " + nodeId, forkJoinPool,
 194                                         results);
 195                                 success.set(false);
 196                             }
 197                         }
 198                     } else {
 199                         processErrorMessage(nodeId + " is not mounted on the controller", forkJoinPool, results);
 200                         success.set(false);
 201                     }
 202                 } catch (OpenRoadmInterfaceException ex) {
 203                     processErrorMessage("Setup service path failed! Exception:" + ex.toString(), forkJoinPool, results);
 204                     success.set(false);
 205                 }
 206
 207                 NodeInterfaceBuilder nodeInterfaceBuilder = new NodeInterfaceBuilder();
 208                 nodeInterfaceBuilder.setKey(new NodeInterfaceKey(nodeId));
 209                 nodeInterfaceBuilder.setNodeId(nodeId);
 210                 nodeInterfaceBuilder.setConnectionId(createdConnections);
 211                 nodeInterfaceBuilder.setEthInterfaceId(createdEthInterfaces);
 212                 nodeInterfaceBuilder.setOtuInterfaceId(createdOtuInterfaces);
 213                 nodeInterfaceBuilder.setOduInterfaceId(createdOduInterfaces);
 214                 nodeInterfaceBuilder.setOchInterfaceId(createdOchInterfaces);
 215                 nodeInterfaces.add(nodeInterfaceBuilder.build());
 216             })
 217         );
 218
 219         try {
 220             forkJoinTask.get();
 221         } catch (InterruptedException | ExecutionException e) {
 222             LOG.error("Error while setting up service paths!", e);
 223         }
 224
 225         forkJoinPool.shutdown();
 226
 227         if (success.get()) {
 228             results.add("Roadm-connection successfully created for nodes: " + String.join(", ", nodesProvisioned));
 229         }
 230         ServicePathOutputBuilder setServBldr = new ServicePathOutputBuilder();
 231         setServBldr.setNodeInterface(new ArrayList<>(nodeInterfaces));
 232         setServBldr.setSuccess(success.get());
 233         setServBldr.setResult(String.join("\n", results));
 234
 235         //setting topology in the service list data store
 236         try {
 237             setTopologyForService(input.getServiceName(), topology.getTopology());
 238         } catch (InterruptedException | TimeoutException | ExecutionException e) {
 239             LOG.warn("Failed to write topologies for service {}.", input.getServiceName(), e);
 240         }
 241
 242         if (!alarmSuppressionNodeRemoval(input.getServiceName())) {
 243             LOG.error("Alarm suppresion node removal failed!!!!");
 244         }
 245
 246         return setServBldr.build();
 247     }
 248
 249     private ConcurrentLinkedQueue<String> processErrorMessage(String message, ForkJoinPool forkJoinPool,
 250             ConcurrentLinkedQueue<String> messages) {
 251         LOG.warn(message);
 252         messages.add(message);
 253         forkJoinPool.shutdown();
 254         return messages;
 255     }
 256
 257     @Override
 258     public ServicePathOutput deleteServicePath(ServicePathInput input) {
 259         List<Nodes> nodes = input.getNodes();
 260         ServicePathOutputBuilder delServBldr = new ServicePathOutputBuilder();
 261
 262         ConcurrentLinkedQueue<String> results = new ConcurrentLinkedQueue<>();
 263         if (!alarmSuppressionNodeRegistration(input)) {
 264             LOG.warn("Alarm suppresion node registraion failed!!!!");
 265         }
 266         ForkJoinPool forkJoinPool = new ForkJoinPool();
 267         ForkJoinTask forkJoinTask = forkJoinPool.submit(() ->
 268             nodes.parallelStream().forEach(node -> {
 269                 List<String> interfacesToDelete = new LinkedList<>();
 270                 String nodeId = node.getNodeId();
 271                 LOG.info("Deleting service setup on node {}", nodeId);
 272                 String srcTp = node.getSrcTp();
 273                 String destTp = node.getDestTp();
 274                 Long waveNumber = input.getWaveNumber();
 275
 276                 if ((srcTp == null) || (destTp == null)) {
 277                     LOG.error("Source ({}) or destination ({}) termination point is null.", srcTp, destTp);
 278                     return;
 279                 }
 280
 281                 // if the node is currently mounted then proceed.
 282                 if (this.deviceTransactionManager.isDeviceMounted(nodeId)) {
 283                     if (destTp.contains(OpenRoadmInterfacesImpl.NETWORK_TOKEN)
 284                             || srcTp.contains(OpenRoadmInterfacesImpl.CLIENT_TOKEN)) {
 285                         if (destTp.contains(OpenRoadmInterfacesImpl.NETWORK_TOKEN)) {
 286                             interfacesToDelete.add(destTp + "-ODU");
 287                             interfacesToDelete.add(destTp + "-OTU");
 288                             interfacesToDelete.add(
 289                                     this.openRoadmInterfaceFactory.createOpenRoadmOchInterfaceName(destTp, waveNumber));
 290                         }
 291                         if (srcTp.contains(OpenRoadmInterfacesImpl.CLIENT_TOKEN)) {
 292                             interfacesToDelete.add(srcTp + "-ETHERNET");
 293                         }
 294                     } else {
 295                         String connectionNumber = srcTp + "-" + destTp + "-" + waveNumber;
 296                         if (!this.crossConnect.deleteCrossConnect(nodeId, connectionNumber)) {
 297                             LOG.error("Failed to delete cross connect {}", srcTp + "-" + destTp + "-" + waveNumber);
 298                         }
 299                         interfacesToDelete.add(
 300                                 this.openRoadmInterfaceFactory.createOpenRoadmOchInterfaceName(srcTp, waveNumber));
 301                         interfacesToDelete.add(
 302                                 this.openRoadmInterfaceFactory.createOpenRoadmOchInterfaceName(destTp, waveNumber));
 303                     }
 304                 } else {
 305                     String result = nodeId + " is not mounted on the controller";
 306                     results.add(result);
 307                     LOG.warn(result);
 308                     forkJoinPool.shutdown();
 309                     return; // TODO should deletion end here?
 310                 }
 311
 312                 for (String interfaceId : interfacesToDelete) {
 313                     try {
 314                         this.openRoadmInterfaces.deleteInterface(nodeId, interfaceId);
 315                     } catch (OpenRoadmInterfaceException e) {
 316                         String result = String.format("Failed to delete interface %s on node %s!", interfaceId, nodeId);
 317                         LOG.error(result, e);
 318                         results.add(result);
 319                     }
 320                 }
 321             })
 322         );
 323
 324         try {
 325             forkJoinTask.get();
 326         } catch (InterruptedException | ExecutionException e) {
 327             LOG.error("Error while deleting service paths!", e);
 328         }
 329
 330         forkJoinPool.shutdown();
 331         if (!alarmSuppressionNodeRemoval(input.getServiceName())) {
 332             LOG.error("Alarm suppresion node removal failed!!!!");
 333         }
 334         if (results.isEmpty()) {
 335             return delServBldr.setResult("Request processed").build();
 336         } else {
 337             return delServBldr.setResult(String.join("\n", results)).build();
 338         }
 339     }
 340
 341     @Override
 342     public RendererRollbackOutput rendererRollback(RendererRollbackInput input) {
 343         boolean success = true;
 344         List<FailedToRollback> failedToRollbackList = new ArrayList<>();
 345         for (NodeInterface nodeInterfaces : input.getNodeInterface()) {
 346             List<String> failedInterfaces = new ArrayList<>();
 347             String nodeId = nodeInterfaces.getNodeId();
 348             for (String connectionId : nodeInterfaces.getConnectionId()) {
 349                 if (this.crossConnect.deleteCrossConnect(nodeId, connectionId)) {
 350                     LOG.info("Cross connect {} on node {} successfully deleted.", connectionId, nodeId);
 351                 } else {
 352                     LOG.error("Failed to delete cross connect {} on node {}!", connectionId, nodeId);
 353                     success = false;
 354                     failedInterfaces.add(connectionId);
 355                 }
 356             }
 357             // Interfaces needs to be in specific order to delete. Order is:
 358             // 1. ODU interfaces
 359             // 2. OTU interfaces
 360             // 3. OCH interfaces
 361             // 4. ETH interfaces
 362             LinkedList<String> interfacesToDelete = new LinkedList<>();
 363             if (nodeInterfaces.getOduInterfaceId() != null) {
 364                 interfacesToDelete.addAll(nodeInterfaces.getOduInterfaceId());
 365             }
 366             if (nodeInterfaces.getOtuInterfaceId() != null) {
 367                 interfacesToDelete.addAll(nodeInterfaces.getOtuInterfaceId());
 368             }
 369             if (nodeInterfaces.getOchInterfaceId() != null) {
 370                 interfacesToDelete.addAll(nodeInterfaces.getOchInterfaceId());
 371             }
 372             if (nodeInterfaces.getEthInterfaceId() != null) {
 373                 interfacesToDelete.addAll(nodeInterfaces.getEthInterfaceId());
 374             }
 375
 376             LOG.info("Going to execute rollback on node {}. Interfaces to rollback: {}", nodeId,
 377                     String.join(", ", interfacesToDelete));
 378
 379             for (String interfaceId : interfacesToDelete) {
 380                 try {
 381                     this.openRoadmInterfaces.deleteInterface(nodeId, interfaceId);
 382                     LOG.info("Interface {} on node {} successfully deleted.", interfaceId, nodeId);
 383                 } catch (OpenRoadmInterfaceException e) {
 384                     LOG.error("Failed to delete interface {} on node {}!", interfaceId, nodeId);
 385                     success = false;
 386                     failedInterfaces.add(interfaceId);
 387                 }
 388             }
 389             failedToRollbackList.add(new FailedToRollbackBuilder()
 390                     .setKey(new FailedToRollbackKey(nodeId))
 391                     .setNodeId(nodeId)
 392                     .setInterface(failedInterfaces)
 393                     .build()
 394             );
 395         }
 396         return new RendererRollbackOutputBuilder()
 397                 .setSuccess(success)
 398                 .setFailedToRollback(failedToRollbackList)
 399                 .build();
 400     }
 401
 402     private boolean alarmSuppressionNodeRegistration(ServicePathInput input) {
 403         NodelistBuilder nodeListBuilder = new NodelistBuilder();
 404         nodeListBuilder.setKey(new NodelistKey(input.getServiceName()));
 405         nodeListBuilder.setServiceName(input.getServiceName());
 406         List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.alarmsuppression.rev171102.service
 407             .nodelist.nodelist.Nodes> nodeList = new ArrayList<>();
 408         for (Nodes node: input.getNodes()) {
 409             nodeList.add(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns
 410                     .yang.alarmsuppression.rev171102.service.nodelist.nodelist.NodesBuilder()
 411                     .setNodeId(node.getNodeId()).build());
 412         }
 413         nodeListBuilder.setNodes(nodeList);
 414         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params
 415             .xml.ns.yang.alarmsuppression.rev171102.service.nodelist.Nodelist> nodeListIID =
 416             InstanceIdentifier.create(ServiceNodelist.class).child(org.opendaylight.yang.gen.v1.urn
 417             .opendaylight.params.xml.ns.yang.alarmsuppression.rev171102.service.nodelist.Nodelist.class,
 418                     new NodelistKey(input.getServiceName()));
 419         final WriteTransaction writeTransaction = this.dataBroker.newWriteOnlyTransaction();
 420         writeTransaction.merge(LogicalDatastoreType.CONFIGURATION, nodeListIID, nodeListBuilder.build());
 421         Future<Void> submit = writeTransaction.submit();
 422         try {
 423             submit.get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
 424             LOG.info("Nodes are register for alarm suppression for service: {}",
 425                     input.getServiceName());
 426             return true;
 427
 428         } catch (ExecutionException | InterruptedException | TimeoutException e) {
 429             LOG.warn("Failed to alarm suppresslist for service: {}", input.getServiceName(), e);
 430             return false;
 431         }
 432     }
 433
 434     private boolean alarmSuppressionNodeRemoval(String serviceName) {
 435         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params
 436             .xml.ns.yang.alarmsuppression.rev171102.service.nodelist.Nodelist> nodeListIID =
 437             InstanceIdentifier.create(ServiceNodelist.class).child(org.opendaylight.yang.gen.v1.urn
 438                 .opendaylight.params.xml.ns.yang.alarmsuppression.rev171102.service.nodelist.Nodelist.class,
 439                         new NodelistKey(serviceName));
 440         final WriteTransaction writeTransaction = this.dataBroker.newWriteOnlyTransaction();
 441         writeTransaction.delete(LogicalDatastoreType.CONFIGURATION, nodeListIID);
 442         Future<Void> submit = writeTransaction.submit();
 443         try {
 444             submit.get(Timeouts.DATASTORE_DELETE, TimeUnit.MILLISECONDS);
 445             LOG.info("Nodes are unregister for alarm suppression for service: {}", serviceName);
 446             return true;
 447
 448         } catch (InterruptedException | TimeoutException | ExecutionException e) {
 449             LOG.warn("Failed to alarm suppresslist for service: {}", serviceName, e);
 450             return false;
 451         }
 452     }
 453
 454     private void setTopologyForService(String serviceName, Topology topo)
 455             throws InterruptedException, ExecutionException, TimeoutException {
 456
 457         ServicesBuilder servicesBuilder;
 458         //Get the service from the service list inventory
 459
 460         ServicesKey serviceKey = new ServicesKey(serviceName);
 461         InstanceIdentifier<Services> iid =
 462                 InstanceIdentifier.create(ServiceList.class).child(Services.class, serviceKey);
 463         Optional<Services> services;
 464         try (ReadOnlyTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
 465             Future<com.google.common.base.Optional<Services>> future = readTx.read(LogicalDatastoreType.OPERATIONAL,
 466                 iid);
 467             services = future.get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS).toJavaUtil();
 468         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 469             throw e;
 470         }
 471
 472         if (services.isPresent()) {
 473             servicesBuilder = new ServicesBuilder(services.get());
 474         } else {
 475             servicesBuilder = new ServicesBuilder();
 476             servicesBuilder.setKey(serviceKey);
 477         }
 478         servicesBuilder.setTopology(topo);
 479
 480         WriteTransaction writeTx = this.dataBroker.newWriteOnlyTransaction();
 481         writeTx.merge(LogicalDatastoreType.OPERATIONAL, iid, servicesBuilder.build());
 482         writeTx.submit().get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
 483
 484     }
 485 }