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 package org.opendaylight.transportpce.renderer.provisiondevice;
   9
  10 import com.google.common.collect.Sets;
  11 import com.google.common.util.concurrent.FluentFuture;
  12 import java.math.BigDecimal;
  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.CopyOnWriteArrayList;
  20 import java.util.concurrent.ExecutionException;
  21 import java.util.concurrent.ForkJoinPool;
  22 import java.util.concurrent.ForkJoinTask;
  23 import java.util.concurrent.Future;
  24 import java.util.concurrent.TimeUnit;
  25 import java.util.concurrent.TimeoutException;
  26 import java.util.concurrent.atomic.AtomicBoolean;
  27 import org.eclipse.jdt.annotation.NonNull;
  28 import org.opendaylight.mdsal.binding.api.DataBroker;
  29 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  30 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  31 import org.opendaylight.mdsal.common.api.CommitInfo;
  32 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  33 import org.opendaylight.transportpce.common.StringConstants;
  34 import org.opendaylight.transportpce.common.Timeouts;
  35 import org.opendaylight.transportpce.common.crossconnect.CrossConnect;
  36 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  37 import org.opendaylight.transportpce.common.mapping.PortMapping;
  38 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaceException;
  39 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
  40 import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
  41 import org.opendaylight.transportpce.renderer.openroadminterface.OpenRoadmInterfaceFactory;
  42 import org.opendaylight.transportpce.renderer.provisiondevice.servicepath.ServiceListTopology;
  43 import org.opendaylight.transportpce.renderer.provisiondevice.servicepath.ServicePathDirection;
  44 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.ServiceNodelist;
  45 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.service.nodelist.NodelistBuilder;
  46 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.service.nodelist.NodelistKey;
  47 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.nodes.Mapping;
  48 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.CreateOtsOmsInput;
  49 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.CreateOtsOmsOutput;
  50 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.CreateOtsOmsOutputBuilder;
  51 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.RendererRollbackInput;
  52 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.RendererRollbackOutput;
  53 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.RendererRollbackOutputBuilder;
  54 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.ServicePathInput;
  55 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.ServicePathOutput;
  56 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.ServicePathOutputBuilder;
  57 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.renderer.rollback.output.FailedToRollback;
  58 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.renderer.rollback.output.FailedToRollbackBuilder;
  59 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.renderer.rollback.output.FailedToRollbackKey;
  60 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev190531.service.Topology;
  61 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.channel.interfaces.rev161014.OchAttributes.ModulationFormat;
  62 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.ServiceList;
  63 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.service.list.Services;
  64 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.service.list.ServicesBuilder;
  65 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.service.list.ServicesKey;
  66 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200615.node.interfaces.NodeInterface;
  67 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200615.node.interfaces.NodeInterfaceBuilder;
  68 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200615.node.interfaces.NodeInterfaceKey;
  69 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200615.olm.renderer.input.Nodes;
  70 import org.opendaylight.yang.gen.v1.http.transportpce.topology.rev200129.OtnLinkType;
  71 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  72 import org.slf4j.Logger;
  73 import org.slf4j.LoggerFactory;
  74
  75
  76 public class DeviceRendererServiceImpl implements DeviceRendererService {
  77     private static final String ODU4 = "-ODU4";
  78     private static final Logger LOG = LoggerFactory.getLogger(DeviceRendererServiceImpl.class);
  79     private final DataBroker dataBroker;
  80     private final DeviceTransactionManager deviceTransactionManager;
  81     private final OpenRoadmInterfaceFactory openRoadmInterfaceFactory;
  82     private final OpenRoadmInterfaces openRoadmInterfaces;
  83     private final CrossConnect crossConnect;
  84     private final PortMapping portMapping;
  85     private final NetworkModelService networkModelService;
  86
  87     public DeviceRendererServiceImpl(DataBroker dataBroker, DeviceTransactionManager deviceTransactionManager,
  88             OpenRoadmInterfaceFactory openRoadmInterfaceFactory, OpenRoadmInterfaces openRoadmInterfaces,
  89             CrossConnect crossConnect, PortMapping portMapping, NetworkModelService networkModelService) {
  90         this.dataBroker = dataBroker;
  91         this.deviceTransactionManager = deviceTransactionManager;
  92         this.openRoadmInterfaceFactory = openRoadmInterfaceFactory;
  93         this.openRoadmInterfaces = openRoadmInterfaces;
  94         this.crossConnect = crossConnect;
  95         this.portMapping = portMapping;
  96         this.networkModelService = networkModelService;
  97     }
  98
  99     @Override
 100     public ServicePathOutput setupServicePath(ServicePathInput input, ServicePathDirection direction) {
 101         List<Nodes> nodes = input.getNodes();
 102         // Register node for suppressing alarms
 103         if (!alarmSuppressionNodeRegistration(input)) {
 104             LOG.warn("Alarm suppresion node registration failed!!!!");
 105         }
 106         ConcurrentLinkedQueue<String> results = new ConcurrentLinkedQueue<>();
 107         Set<NodeInterface> nodeInterfaces = Sets.newConcurrentHashSet();
 108         Set<String> nodesProvisioned = Sets.newConcurrentHashSet();
 109         CopyOnWriteArrayList<Nodes> otnNodesProvisioned = new CopyOnWriteArrayList<>();
 110         ServiceListTopology topology = new ServiceListTopology();
 111         AtomicBoolean success = new AtomicBoolean(true);
 112         ForkJoinPool forkJoinPool = new ForkJoinPool();
 113         ForkJoinTask forkJoinTask = forkJoinPool.submit(() -> nodes.parallelStream().forEach(node -> {
 114             String nodeId = node.getNodeId();
 115             // take the index of the node
 116             int nodeIndex = nodes.indexOf(node);
 117             LOG.info("Starting provisioning for node : {}", nodeId);
 118             List<String> createdEthInterfaces = new ArrayList<>();
 119             List<String> createdOtuInterfaces = new ArrayList<>();
 120             List<String> createdOduInterfaces = new ArrayList<>();
 121             List<String> createdOchInterfaces = new ArrayList<>();
 122             List<String> createdConnections = new ArrayList<>();
 123             int crossConnectFlag = 0;
 124             try {
 125                 // if the node is currently mounted then proceed
 126                 if (this.deviceTransactionManager.isDeviceMounted(nodeId)) {
 127                     // TODO: In the case of flex-grid, the wave-number becomes bitmap index
 128                     // TODO: need to update transportpce-common-types accordingly, to a more, generic-term
 129                     Long waveNumber = input.getWaveNumber().toJava();
 130                     BigDecimal centerFreq = null;
 131                     BigDecimal slotWidth = null;
 132                     if (input.getCenterFreq() != null) {
 133                         centerFreq = input.getCenterFreq().getValue();
 134                     }
 135                     if (input.getSlotWidth() != null) {
 136                         slotWidth = input.getSlotWidth().getValue();
 137                     }
 138                     String srcTp = node.getSrcTp();
 139                     String destTp = node.getDestTp();
 140                     if ((destTp != null) && destTp.contains(StringConstants.NETWORK_TOKEN)) {
 141                         crossConnectFlag++;
 142                         String supportingOchInterface;
 143                         if ((centerFreq != null) && (slotWidth != null)) {
 144                             supportingOchInterface = this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(
 145                                 nodeId, destTp, waveNumber, ModulationFormat.DpQpsk, centerFreq, slotWidth);
 146                         }
 147                         else {
 148                             supportingOchInterface = this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(
 149                                 nodeId, destTp, waveNumber, ModulationFormat.DpQpsk);
 150                         }
 151                         createdOchInterfaces.add(supportingOchInterface);
 152                         // Here we pass logical connection-point of z-end to set SAPI and DAPI
 153                         Nodes tgtNode = null;
 154                         if (nodeIndex + 1 == nodes.size()) {
 155                             // For the end node, tgtNode becomes the first node in the list
 156                             tgtNode = nodes.get(0);
 157                         } else {
 158                             tgtNode = nodes.get(nodeIndex + 1);
 159                         }
 160                         // tgtNode srcTp is null in this if cond
 161                         String supportingOtuInterface = this.openRoadmInterfaceFactory
 162                                 .createOpenRoadmOtu4Interface(nodeId, destTp, supportingOchInterface,
 163                                     tgtNode.getNodeId(), tgtNode.getDestTp());
 164                         createdOtuInterfaces.add(supportingOtuInterface);
 165                         if (srcTp == null) {
 166                             otnNodesProvisioned.add(node);
 167                         } else {
 168                             createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(nodeId,
 169                                     destTp, supportingOtuInterface));
 170                         }
 171                     }
 172                     if ((srcTp != null) && srcTp.contains(StringConstants.CLIENT_TOKEN)) {
 173                         crossConnectFlag++;
 174                         // create OpenRoadm Xponder Client Interfaces
 175                         createdEthInterfaces.add(
 176                             this.openRoadmInterfaceFactory.createOpenRoadmEthInterface(nodeId, srcTp));
 177                     }
 178                     if ((srcTp != null) && srcTp.contains(StringConstants.NETWORK_TOKEN)) {
 179                         crossConnectFlag++;
 180                         // create OpenRoadm Xponder Line Interfaces
 181                         String supportingOchInterface;
 182                         if ((centerFreq != null) && (slotWidth != null)) {
 183                             supportingOchInterface = this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(
 184                                 nodeId, srcTp, waveNumber, ModulationFormat.DpQpsk, centerFreq, slotWidth);
 185                         }
 186                         else {
 187                             supportingOchInterface = this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(
 188                                 nodeId, srcTp, waveNumber, ModulationFormat.DpQpsk);
 189                         }
 190                         createdOchInterfaces.add(supportingOchInterface);
 191                         String supportingOtuInterface = this.openRoadmInterfaceFactory
 192                                 .createOpenRoadmOtu4Interface(nodeId, srcTp, supportingOchInterface);
 193                         createdOtuInterfaces.add(supportingOtuInterface);
 194                         createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(nodeId,
 195                                 srcTp, supportingOtuInterface));
 196                         Mapping mapping = this.portMapping.getMapping(nodeId,srcTp);
 197                         if (mapping != null && mapping.getXponderType() != null
 198                             && (mapping.getXponderType().getIntValue() == 3
 199                             || mapping.getXponderType().getIntValue() == 2)) {
 200                             createdOduInterfaces.add(this.openRoadmInterfaceFactory
 201                                 .createOpenRoadmOtnOdu4Interface(nodeId, destTp, supportingOtuInterface));
 202                         } else {
 203                             createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(nodeId,
 204                                     destTp, supportingOtuInterface));
 205                         }
 206                     }
 207                     if ((destTp != null) && destTp.contains(StringConstants.CLIENT_TOKEN)) {
 208                         crossConnectFlag++;
 209                         // create OpenRoadm Xponder Client Interfaces
 210                         createdEthInterfaces.add(
 211                             this.openRoadmInterfaceFactory.createOpenRoadmEthInterface(nodeId, destTp));
 212                     }
 213                     if ((srcTp != null) && (srcTp.contains(StringConstants.TTP_TOKEN)
 214                             || srcTp.contains(StringConstants.PP_TOKEN))) {
 215                         if ((centerFreq != null) && (slotWidth != null)) {
 216                             createdOchInterfaces.addAll(
 217                                 this.openRoadmInterfaceFactory
 218                                     .createOpenRoadmOchInterface(nodeId, srcTp, waveNumber, centerFreq, slotWidth));
 219                         }
 220                         else {
 221                             createdOchInterfaces.addAll(
 222                                 this.openRoadmInterfaceFactory
 223                                     .createOpenRoadmOchInterface(nodeId, srcTp, waveNumber));
 224                         }
 225                     }
 226                     if ((destTp != null) && (destTp.contains(StringConstants.TTP_TOKEN)
 227                             || destTp.contains(StringConstants.PP_TOKEN))) {
 228
 229                         if ((centerFreq != null) && (slotWidth != null)) {
 230                             createdOchInterfaces.addAll(
 231                                 this.openRoadmInterfaceFactory
 232                                     .createOpenRoadmOchInterface(nodeId, destTp, waveNumber, centerFreq, slotWidth));
 233                         }
 234                         else {
 235                             createdOchInterfaces.addAll(
 236                                 this.openRoadmInterfaceFactory
 237                                     .createOpenRoadmOchInterface(nodeId, destTp, waveNumber));
 238                         }
 239
 240                     }
 241                     if (crossConnectFlag < 1) {
 242                         LOG.info("Creating cross connect between source {} and destination {} for node {}", srcTp,
 243                                 destTp, nodeId);
 244                         Optional<String> connectionNameOpt =
 245                                 this.crossConnect.postCrossConnect(nodeId, waveNumber, srcTp, destTp);
 246                         if (connectionNameOpt.isPresent()) {
 247                             nodesProvisioned.add(nodeId);
 248                             createdConnections.add(connectionNameOpt.get());
 249                         } else {
 250                             processErrorMessage("Unable to post Roadm-connection for node " + nodeId, forkJoinPool,
 251                                     results);
 252                             success.set(false);
 253                         }
 254                     }
 255                 } else {
 256                     processErrorMessage(nodeId + " is not mounted on the controller", forkJoinPool, results);
 257                     success.set(false);
 258                 }
 259             } catch (OpenRoadmInterfaceException ex) {
 260                 processErrorMessage("Setup service path failed! Exception:" + ex.toString(), forkJoinPool, results);
 261                 success.set(false);
 262             }
 263             NodeInterfaceBuilder nodeInterfaceBuilder = new NodeInterfaceBuilder()
 264                 .withKey(new NodeInterfaceKey(nodeId))
 265                 .setNodeId(nodeId)
 266                 .setConnectionId(createdConnections)
 267                 .setEthInterfaceId(createdEthInterfaces)
 268                 .setOtuInterfaceId(createdOtuInterfaces)
 269                 .setOduInterfaceId(createdOduInterfaces)
 270                 .setOchInterfaceId(createdOchInterfaces);
 271             nodeInterfaces.add(nodeInterfaceBuilder.build());
 272         }));
 273         try {
 274             forkJoinTask.get();
 275         } catch (InterruptedException | ExecutionException e) {
 276             LOG.error("Error while setting up service paths!", e);
 277         }
 278         forkJoinPool.shutdown();
 279
 280         if (success.get()) {
 281             results.add("Roadm-connection successfully created for nodes: " + String.join(", ", nodesProvisioned));
 282         }
 283         // setting topology in the service list data store
 284         try {
 285             setTopologyForService(input.getServiceName(), topology.getTopology());
 286             updateOtnTopology(otnNodesProvisioned, false);
 287         } catch (InterruptedException | TimeoutException | ExecutionException e) {
 288             LOG.warn("Failed to write topologies for service {}.", input.getServiceName(), e);
 289         }
 290         if (!alarmSuppressionNodeRemoval(input.getServiceName())) {
 291             LOG.error("Alarm suppresion node removal failed!!!!");
 292         }
 293         ServicePathOutputBuilder setServBldr = new ServicePathOutputBuilder()
 294             .setNodeInterface(new ArrayList<>(nodeInterfaces))
 295             .setSuccess(success.get())
 296             .setResult(String.join("\n", results));
 297         return setServBldr.build();
 298     }
 299
 300     private ConcurrentLinkedQueue<String> processErrorMessage(String message, ForkJoinPool forkJoinPool,
 301             ConcurrentLinkedQueue<String> messages) {
 302         LOG.warn("Received error message {}", message);
 303         messages.add(message);
 304         forkJoinPool.shutdown();
 305         return messages;
 306     }
 307
 308     @Override
 309     public ServicePathOutput deleteServicePath(ServicePathInput input) {
 310         List<Nodes> nodes = input.getNodes();
 311         AtomicBoolean success = new AtomicBoolean(true);
 312         ConcurrentLinkedQueue<String> results = new ConcurrentLinkedQueue<>();
 313         if (!alarmSuppressionNodeRegistration(input)) {
 314             LOG.warn("Alarm suppresion node registraion failed!!!!");
 315         }
 316         CopyOnWriteArrayList<Nodes> otnNodesProvisioned = new CopyOnWriteArrayList<>();
 317         ForkJoinPool forkJoinPool = new ForkJoinPool();
 318         ForkJoinTask forkJoinTask = forkJoinPool.submit(() -> nodes.parallelStream().forEach(node -> {
 319             List<String> interfacesToDelete = new LinkedList<>();
 320             String nodeId = node.getNodeId();
 321             LOG.info("Deleting service setup on node {}", nodeId);
 322             String srcTp;
 323             String destTp;
 324             Long waveNumber = input.getWaveNumber().toJava();
 325             if (node.getDestTp() == null) {
 326                 LOG.error("Destination termination point must not be null.");
 327                 return;
 328             } else {
 329                 destTp = node.getDestTp();
 330             }
 331             if (node.getSrcTp() != null) {
 332                 srcTp = node.getSrcTp();
 333             } else {
 334                 srcTp = "";
 335                 otnNodesProvisioned.add(node);
 336             }
 337             // if the node is currently mounted then proceed.
 338             if (this.deviceTransactionManager.isDeviceMounted(nodeId)) {
 339                 interfacesToDelete.addAll(getInterfaces2delete(nodeId, srcTp, destTp, waveNumber));
 340             } else {
 341                 String result = nodeId + " is not mounted on the controller";
 342                 results.add(result);
 343                 success.set(false);
 344                 LOG.warn(result);
 345                 forkJoinPool.shutdown();
 346                 return;
 347                 //TODO should deletion end here?
 348             }
 349             for (String interfaceId : interfacesToDelete) {
 350                 try {
 351                     this.openRoadmInterfaces.deleteInterface(nodeId, interfaceId);
 352                 } catch (OpenRoadmInterfaceException e) {
 353                     String result = String.format("Failed to delete interface %s on node %s!", interfaceId, nodeId);
 354                     success.set(false);
 355                     LOG.error(result, e);
 356                     results.add(result);
 357                 }
 358             }
 359         }));
 360         try {
 361             forkJoinTask.get();
 362         } catch (InterruptedException | ExecutionException e) {
 363             LOG.error("Error while deleting service paths!", e);
 364         }
 365         forkJoinPool.shutdown();
 366         updateOtnTopology(otnNodesProvisioned, true);
 367         if (!alarmSuppressionNodeRemoval(input.getServiceName())) {
 368             LOG.error("Alarm suppresion node removal failed!!!!");
 369         }
 370         ServicePathOutputBuilder delServBldr = new ServicePathOutputBuilder();
 371         delServBldr.setSuccess(success.get());
 372         if (results.isEmpty()) {
 373             return delServBldr.setResult("Request processed").build();
 374         } else {
 375             return delServBldr.setResult(String.join("\n", results)).build();
 376         }
 377     }
 378
 379     private List<String>  getInterfaces2delete(
 380             String nodeId, String srcTp, String destTp, Long waveNumber) {
 381         List<String> interfacesToDelete = new LinkedList<>();
 382         if (destTp.contains(StringConstants.NETWORK_TOKEN)
 383                 || srcTp.contains(StringConstants.CLIENT_TOKEN)
 384                 || srcTp.contains(StringConstants.NETWORK_TOKEN)
 385                 || destTp.contains(StringConstants.CLIENT_TOKEN)) {
 386             if (destTp.contains(StringConstants.NETWORK_TOKEN)) {
 387                 try {
 388                     if (this.openRoadmInterfaces.getInterface(nodeId, destTp + "-ODU").isPresent()) {
 389                         interfacesToDelete.add(destTp + "-ODU");
 390                     }
 391                     if (this.openRoadmInterfaces.getInterface(nodeId, destTp + ODU4).isPresent()) {
 392                         interfacesToDelete.add(destTp + ODU4);
 393                     }
 394                 }
 395                 catch (OpenRoadmInterfaceException e) {
 396                     LOG.error("impossible to get interface {} or {}", destTp + "-ODU", destTp + ODU4, e);
 397                 }
 398                 interfacesToDelete.add(destTp + "-OTU");
 399                 interfacesToDelete.add(
 400                         this.openRoadmInterfaceFactory.createOpenRoadmOchInterfaceName(destTp, waveNumber));
 401             }
 402             if (srcTp.contains(StringConstants.NETWORK_TOKEN)) {
 403                 interfacesToDelete.add(srcTp + "-ODU");
 404                 interfacesToDelete.add(srcTp + "-OTU");
 405                 interfacesToDelete
 406                         .add(this.openRoadmInterfaceFactory.createOpenRoadmOchInterfaceName(srcTp, waveNumber));
 407             }
 408             if (srcTp.contains(StringConstants.CLIENT_TOKEN)) {
 409                 interfacesToDelete.add(srcTp + "-ETHERNET");
 410             }
 411             if (destTp.contains(StringConstants.CLIENT_TOKEN)) {
 412                 interfacesToDelete.add(destTp + "-ETHERNET");
 413             }
 414         } else {
 415             String connectionNumber = srcTp + "-" + destTp + "-" + waveNumber;
 416             List<String> intToDelete = this.crossConnect.deleteCrossConnect(nodeId, connectionNumber, false);
 417             connectionNumber = destTp + "-" + srcTp + "-" + waveNumber;
 418             if (intToDelete != null) {
 419                 for (String interf : intToDelete) {
 420                     if (!this.openRoadmInterfaceFactory.isUsedByXc(nodeId, interf, connectionNumber,
 421                         this.deviceTransactionManager)) {
 422                         interfacesToDelete.add(interf);
 423                     }
 424                 }
 425             }
 426         }
 427         return interfacesToDelete;
 428     }
 429
 430     @Override
 431     public RendererRollbackOutput rendererRollback(RendererRollbackInput input) {
 432         boolean success = true;
 433         List<FailedToRollback> failedToRollbackList = new ArrayList<>();
 434         for (NodeInterface nodeInterfaces : input.getNodeInterface()) {
 435             List<String> failedInterfaces = new ArrayList<>();
 436             String nodeId = nodeInterfaces.getNodeId();
 437             for (String connectionId : nodeInterfaces.getConnectionId()) {
 438                 List<String> listInter = this.crossConnect.deleteCrossConnect(nodeId, connectionId, false);
 439                 if (listInter != null) {
 440                     LOG.info("Cross connect {} on node {} successfully deleted.", connectionId, nodeId);
 441                 } else {
 442                     LOG.error("Failed to delete cross connect {} on node {}!", connectionId, nodeId);
 443                     success = false;
 444                     failedInterfaces.add(connectionId);
 445                 }
 446             }
 447             // Interfaces needs to be in specific order to delete. Order is:
 448             // 1. ODU interfaces
 449             // 2. OTU interfaces
 450             // 3. OCH interfaces
 451             // 4. ETH interfaces
 452             LinkedList<String> interfacesToDelete = new LinkedList<>();
 453             if (nodeInterfaces.getOduInterfaceId() != null) {
 454                 interfacesToDelete.addAll(nodeInterfaces.getOduInterfaceId());
 455             }
 456             if (nodeInterfaces.getOtuInterfaceId() != null) {
 457                 interfacesToDelete.addAll(nodeInterfaces.getOtuInterfaceId());
 458             }
 459             if (nodeInterfaces.getOchInterfaceId() != null) {
 460                 interfacesToDelete.addAll(nodeInterfaces.getOchInterfaceId());
 461             }
 462             if (nodeInterfaces.getEthInterfaceId() != null) {
 463                 interfacesToDelete.addAll(nodeInterfaces.getEthInterfaceId());
 464             }
 465             LOG.info("Going to execute rollback on node {}. Interfaces to rollback: {}", nodeId,
 466                     String.join(", ", interfacesToDelete));
 467             for (String interfaceId : interfacesToDelete) {
 468                 try {
 469                     this.openRoadmInterfaces.deleteInterface(nodeId, interfaceId);
 470                     LOG.info("Interface {} on node {} successfully deleted.", interfaceId, nodeId);
 471                 } catch (OpenRoadmInterfaceException e) {
 472                     LOG.error("Failed to delete interface {} on node {}!", interfaceId, nodeId);
 473                     success = false;
 474                     failedInterfaces.add(interfaceId);
 475                 }
 476             }
 477             failedToRollbackList.add(new FailedToRollbackBuilder().withKey(new FailedToRollbackKey(nodeId))
 478                     .setNodeId(nodeId).setInterface(failedInterfaces).build());
 479         }
 480         return new RendererRollbackOutputBuilder().setSuccess(success).setFailedToRollback(failedToRollbackList)
 481                 .build();
 482     }
 483
 484     private boolean alarmSuppressionNodeRegistration(ServicePathInput input) {
 485         NodelistBuilder nodeListBuilder = new NodelistBuilder()
 486             .withKey(new NodelistKey(input.getServiceName()))
 487             .setServiceName(input.getServiceName());
 488         List<org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.service
 489             .nodelist.nodelist.Nodes> nodeList =
 490                 new ArrayList<>();
 491         for (Nodes node : input.getNodes()) {
 492             nodeList.add(
 493                     new org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102
 494                     .service.nodelist.nodelist.NodesBuilder()
 495                             .setNodeId(node.getNodeId()).build());
 496         }
 497         nodeListBuilder.setNodes(nodeList);
 498         InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102
 499             .service.nodelist.Nodelist> nodeListIID =
 500                         InstanceIdentifier.create(ServiceNodelist.class).child(
 501                                 org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression
 502                                     .rev171102.service.nodelist.Nodelist.class,
 503                                 new NodelistKey(input.getServiceName()));
 504         final WriteTransaction writeTransaction = this.dataBroker.newWriteOnlyTransaction();
 505         writeTransaction.merge(LogicalDatastoreType.CONFIGURATION, nodeListIID, nodeListBuilder.build());
 506         FluentFuture<? extends @NonNull CommitInfo> commit = writeTransaction.commit();
 507         try {
 508             commit.get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
 509             LOG.info("Nodes are register for alarm suppression for service: {}", input.getServiceName());
 510             return true;
 511         } catch (ExecutionException | InterruptedException | TimeoutException e) {
 512             LOG.warn("Failed to alarm suppresslist for service: {}", input.getServiceName(), e);
 513             return false;
 514         }
 515     }
 516
 517     private boolean alarmSuppressionNodeRemoval(String serviceName) {
 518         InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102
 519             .service.nodelist.Nodelist> nodeListIID =
 520                         InstanceIdentifier.create(ServiceNodelist.class).child(
 521                                 org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression
 522                                     .rev171102.service.nodelist.Nodelist.class,
 523                                 new NodelistKey(serviceName));
 524         final WriteTransaction writeTransaction = this.dataBroker.newWriteOnlyTransaction();
 525         writeTransaction.delete(LogicalDatastoreType.CONFIGURATION, nodeListIID);
 526         FluentFuture<? extends @NonNull CommitInfo> commit = writeTransaction.commit();
 527         try {
 528             commit.get(Timeouts.DATASTORE_DELETE, TimeUnit.MILLISECONDS);
 529             LOG.info("Nodes are unregister for alarm suppression for service: {}", serviceName);
 530             return true;
 531         } catch (InterruptedException | TimeoutException | ExecutionException e) {
 532             LOG.warn("Failed to alarm suppresslist for service: {}", serviceName, e);
 533             return false;
 534         }
 535     }
 536
 537     private void setTopologyForService(String name, Topology topo)
 538             throws InterruptedException, ExecutionException, TimeoutException {
 539         ServicesBuilder servicesBuilder;
 540         // Get the service from the service list inventory
 541         ServicesKey serviceKey = new ServicesKey(name);
 542         InstanceIdentifier<Services> iid =
 543                 InstanceIdentifier.create(ServiceList.class).child(Services.class, serviceKey);
 544         Optional<Services> services;
 545         try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
 546             Future<java.util.Optional<Services>> future =
 547                     readTx.read(LogicalDatastoreType.OPERATIONAL, iid);
 548             services = future.get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
 549         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 550             throw e;
 551         }
 552         if (services.isPresent()) {
 553             LOG.info("service {} already exists", name);
 554             servicesBuilder = new ServicesBuilder(services.get()).setTopology(topo);
 555             WriteTransaction writeTx = this.dataBroker.newWriteOnlyTransaction();
 556             writeTx.merge(LogicalDatastoreType.OPERATIONAL, iid, servicesBuilder.build());
 557             writeTx.commit().get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
 558         } else {
 559             LOG.warn("Service {} does not exist - topology can not be updated", name);
 560         }
 561     }
 562
 563     @Override
 564     public CreateOtsOmsOutput createOtsOms(CreateOtsOmsInput input) throws OpenRoadmInterfaceException {
 565         CreateOtsOmsOutputBuilder output = new CreateOtsOmsOutputBuilder();
 566         String result = "";
 567         Boolean success = false;
 568         // if the node is currently mounted then proceed.
 569         if (this.deviceTransactionManager.isDeviceMounted(input.getNodeId())) {
 570             Mapping oldMapping = null;
 571             Mapping newMapping = null;
 572             oldMapping = this.portMapping.getMapping(input.getNodeId(), input.getLogicalConnectionPoint());
 573             if (oldMapping != null) {
 574                 String otsInterface =
 575                         this.openRoadmInterfaceFactory.createOpenRoadmOtsInterface(input.getNodeId(), oldMapping);
 576                 newMapping = this.portMapping.getMapping(input.getNodeId(), input.getLogicalConnectionPoint());
 577                 int count = 0;
 578                 Boolean isSupportingOtsPresent = isSupportingOtsPresent(newMapping);
 579                 while (!isSupportingOtsPresent && (count < 6)) {
 580                     LOG.info("waiting for post interface operation on node '{}'...", input.getNodeId());
 581                     try {
 582                         Thread.sleep(10000);
 583                         this.portMapping.updateMapping(input.getNodeId(), oldMapping);
 584                     } catch (InterruptedException e) {
 585                         LOG.error("Failed to wait for post interface operation ");
 586                     }
 587                     newMapping = this.portMapping.getMapping(input.getNodeId(), input.getLogicalConnectionPoint());
 588                     isSupportingOtsPresent = isSupportingOtsPresent(newMapping);
 589                     count++;
 590                 }
 591                 if (count < 6) {
 592                     String omsInterface =
 593                             this.openRoadmInterfaceFactory.createOpenRoadmOmsInterface(input.getNodeId(), newMapping);
 594                     if (omsInterface != null) {
 595                         result = "Interfaces " + otsInterface + " - " + omsInterface + " successfully created on node "
 596                                 + input.getNodeId();
 597                         success = true;
 598                     } else {
 599                         LOG.error("Fail to create OpenRoadmOms Interface for node '{}'", input.getNodeId());
 600                         result = "Fail to create OpenRoadmOms Interface for node : " + input.getNodeId();
 601                     }
 602                 } else {
 603                     LOG.error("Unable to get ots interface from mapping {} for node {}",
 604                             oldMapping.getLogicalConnectionPoint(), input.getNodeId());
 605                     result = String.format("Unable to get ots interface from mapping %s - %s",
 606                             oldMapping.getLogicalConnectionPoint(), input.getNodeId());
 607                 }
 608             } else {
 609                 result = "Logical Connection point " + input.getLogicalConnectionPoint() + " does not exist for "
 610                         + input.getNodeId();
 611             }
 612         } else {
 613             result = input.getNodeId() + " is not mounted on the controller";
 614             LOG.warn("{} is not mounted on the controller",input.getNodeId());
 615         }
 616         return output.setResult(result).setSuccess(success).build();
 617     }
 618
 619     private Boolean isSupportingOtsPresent(Mapping mapping) {
 620         Boolean result = false;
 621         if (mapping != null) {
 622             if (mapping.getSupportingOts() != null) {
 623                 LOG.info("SupportingOts info is present in mapping {}", mapping);
 624                 result = true;
 625             } else {
 626                 LOG.warn("SupportingOts info not present in mapping {}", mapping);
 627             }
 628         }
 629         return result;
 630     }
 631
 632     private void updateOtnTopology(CopyOnWriteArrayList<Nodes> nodes, boolean isDeletion) {
 633         if (nodes.size() != 2) {
 634             LOG.error("Error with OTU4 links to update in otn-topology");
 635             return;
 636         }
 637         if (isDeletion) {
 638             LOG.info("updating otn-topology removing OTU4 links");
 639             this.networkModelService.deleteOtnLinks(nodes.get(0).getNodeId(), nodes.get(0).getDestTp(),
 640                 nodes.get(1).getNodeId(), nodes.get(1).getDestTp(), OtnLinkType.OTU4);
 641         } else {
 642             LOG.info("updating otn-topology adding OTU4 links");
 643             this.networkModelService.createOtnLinks(nodes.get(0).getNodeId(), nodes.get(0).getDestTp(),
 644                 nodes.get(1).getNodeId(), nodes.get(1).getDestTp(), OtnLinkType.OTU4);
 645         }
 646     }
 647 }