renderer/src/main/java/org/opendaylight/transportpce/renderer/provisiondevice/RendererServiceOperationsImpl.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.util.concurrent.Futures;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import com.google.common.util.concurrent.ListeningExecutorService;
  13 import com.google.common.util.concurrent.MoreExecutors;
  14 import java.util.ArrayList;
  15 import java.util.List;
  16 import java.util.Optional;
  17 import java.util.concurrent.Callable;
  18 import java.util.concurrent.ExecutionException;
  19 import java.util.concurrent.Executors;
  20 import java.util.concurrent.Future;
  21 import java.util.concurrent.TimeUnit;
  22 import java.util.concurrent.TimeoutException;
  23 import org.opendaylight.mdsal.binding.api.DataBroker;
  24 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
  25 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  26 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  27 import org.opendaylight.transportpce.common.OperationResult;
  28 import org.opendaylight.transportpce.common.ResponseCodes;
  29 import org.opendaylight.transportpce.common.StringConstants;
  30 import org.opendaylight.transportpce.common.Timeouts;
  31 import org.opendaylight.transportpce.renderer.ModelMappingUtils;
  32 import org.opendaylight.transportpce.renderer.NetworkModelWavelengthService;
  33 import org.opendaylight.transportpce.renderer.ServicePathInputData;
  34 import org.opendaylight.transportpce.renderer.provisiondevice.servicepath.ServicePathDirection;
  35 import org.opendaylight.transportpce.renderer.provisiondevice.tasks.DeviceRenderingRollbackTask;
  36 import org.opendaylight.transportpce.renderer.provisiondevice.tasks.DeviceRenderingTask;
  37 import org.opendaylight.transportpce.renderer.provisiondevice.tasks.OlmPowerSetupRollbackTask;
  38 import org.opendaylight.transportpce.renderer.provisiondevice.tasks.OlmPowerSetupTask;
  39 import org.opendaylight.transportpce.renderer.provisiondevice.tasks.RollbackProcessor;
  40 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmInputBuilder;
  41 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmOutput;
  42 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupInput;
  43 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownInputBuilder;
  44 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownOutput;
  45 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.TransportpceOlmService;
  46 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.get.pm.output.Measurements;
  47 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceDeleteInput;
  48 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceDeleteOutput;
  49 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceImplementationRequestInput;
  50 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceImplementationRequestOutput;
  51 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceRpcResultSp;
  52 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceRpcResultSpBuilder;
  53 import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.types.rev161014.PmGranularity;
  54 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.types.rev161014.ResourceTypeEnum;
  55 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev191009.RpcStatusEx;
  56 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev191009.ServicePathNotificationTypes;
  57 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev191009.service.path.PathDescription;
  58 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.servicepath.rev171017.ServicePathList;
  59 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.servicepath.rev171017.service.path.list.ServicePaths;
  60 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.servicepath.rev171017.service.path.list.ServicePathsKey;
  61 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.olm.get.pm.input.ResourceIdentifierBuilder;
  62 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.olm.renderer.input.Nodes;
  63 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  64 import org.opendaylight.yangtools.yang.common.RpcResult;
  65 import org.slf4j.Logger;
  66 import org.slf4j.LoggerFactory;
  67
  68
  69 public class RendererServiceOperationsImpl implements RendererServiceOperations {
  70
  71     private static final Logger LOG = LoggerFactory.getLogger(RendererServiceOperationsImpl.class);
  72     private static final String FAILED = "Failed";
  73     private static final String OPERATION_FAILED = "Operation Failed";
  74     private static final String OPERATION_SUCCESSFUL = "Operation Successful";
  75     private static final int NUMBER_OF_THREADS = 4;
  76
  77     private final DeviceRendererService deviceRenderer;
  78     private final TransportpceOlmService olmService;
  79     private final DataBroker dataBroker;
  80     private final NotificationPublishService notificationPublishService;
  81     private ListeningExecutorService executor;
  82     private NetworkModelWavelengthService networkModelWavelengthService;
  83     private ServiceRpcResultSp notification = null;
  84
  85     public RendererServiceOperationsImpl(DeviceRendererService deviceRenderer, TransportpceOlmService olmService,
  86             DataBroker dataBroker, NetworkModelWavelengthService networkModelWavelengthService,
  87             NotificationPublishService notificationPublishService) {
  88         this.deviceRenderer = deviceRenderer;
  89         this.olmService = olmService;
  90         this.dataBroker = dataBroker;
  91         this.networkModelWavelengthService = networkModelWavelengthService;
  92         this.notificationPublishService = notificationPublishService;
  93         this.executor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(NUMBER_OF_THREADS));
  94     }
  95
  96     private void sendNotifications(ServicePathNotificationTypes servicePathNotificationTypes, String serviceName,
  97             RpcStatusEx rpcStatusEx, String message) {
  98         this.notification = new ServiceRpcResultSpBuilder()
  99                 .setNotificationType(servicePathNotificationTypes)
 100                 .setServiceName(serviceName)
 101                 .setStatus(rpcStatusEx)
 102                 .setStatusMessage(message)
 103                 .build();
 104         try {
 105             notificationPublishService.putNotification(this.notification);
 106         } catch (InterruptedException e) {
 107             LOG.info("notification offer rejected : ", e.getMessage());
 108         }
 109     }
 110
 111     @Override
 112     public ListenableFuture<ServiceImplementationRequestOutput>
 113             serviceImplementation(ServiceImplementationRequestInput input) {
 114         LOG.info("Calling service impl request {} {}", input.getServiceName());
 115         return executor.submit(new Callable<ServiceImplementationRequestOutput>() {
 116
 117             @Override
 118             public ServiceImplementationRequestOutput call() throws Exception {
 119                 sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest, input.getServiceName(),
 120                         RpcStatusEx.Pending, "Service compliant, submitting service implementation Request ...");
 121                 RollbackProcessor rollbackProcessor = new RollbackProcessor();
 122                 ServicePathInputData servicePathInputDataAtoZ = ModelMappingUtils
 123                         .rendererCreateServiceInputAToZ(input.getServiceName(), input.getPathDescription());
 124                 ServicePathInputData servicePathInputDataZtoA = ModelMappingUtils
 125                         .rendererCreateServiceInputZToA(input.getServiceName(), input.getPathDescription());
 126                 List<DeviceRenderingResult> renderingResults =
 127                         deviceRendering(rollbackProcessor, servicePathInputDataAtoZ, servicePathInputDataZtoA);
 128                 if (rollbackProcessor.rollbackAllIfNecessary() > 0) {
 129                     sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest, input.getServiceName(),
 130                             RpcStatusEx.Failed, "Device rendering was not successful! Rendering will be rolled back.");
 131                     return ModelMappingUtils.createServiceImplResponse(ResponseCodes.RESPONSE_FAILED, OPERATION_FAILED);
 132                 }
 133                 ServicePowerSetupInput olmPowerSetupInputAtoZ =
 134                         ModelMappingUtils.createServicePowerSetupInput(renderingResults.get(0).getOlmList(), input);
 135                 ServicePowerSetupInput olmPowerSetupInputZtoA =
 136                         ModelMappingUtils.createServicePowerSetupInput(renderingResults.get(1).getOlmList(), input);
 137                 olmPowerSetup(rollbackProcessor, olmPowerSetupInputAtoZ, olmPowerSetupInputZtoA);
 138                 if (rollbackProcessor.rollbackAllIfNecessary() > 0) {
 139                     sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest, input.getServiceName(),
 140                             RpcStatusEx.Failed,
 141                             "OLM power setup was not successful! Rendering and OLM will be rolled back.");
 142                     return ModelMappingUtils.createServiceImplResponse(ResponseCodes.RESPONSE_FAILED, OPERATION_FAILED);
 143                 }
 144                 // run service activation test twice - once on source node and once on
 145                 // destination node
 146                 List<Nodes> nodes = servicePathInputDataAtoZ.getServicePathInput().getNodes();
 147                 Nodes sourceNode = nodes.get(0);
 148                 Nodes destNode = nodes.get(nodes.size() - 1);
 149                 String srcNetworkTp;
 150                 String dstNetowrkTp;
 151                 if (sourceNode.getDestTp().contains(StringConstants.NETWORK_TOKEN)) {
 152                     srcNetworkTp = sourceNode.getDestTp();
 153                 } else {
 154                     srcNetworkTp = sourceNode.getSrcTp();
 155                 }
 156                 if (destNode.getDestTp().contains(StringConstants.NETWORK_TOKEN)) {
 157                     dstNetowrkTp = destNode.getDestTp();
 158                 } else {
 159                     dstNetowrkTp = destNode.getSrcTp();
 160                 }
 161                 if (!isServiceActivated(sourceNode.getNodeId(), srcNetworkTp)
 162                         || !isServiceActivated(destNode.getNodeId(), dstNetowrkTp)) {
 163                     rollbackProcessor.rollbackAll();
 164                     sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest, input.getServiceName(),
 165                             RpcStatusEx.Failed, "Service activation test failed.");
 166                     return ModelMappingUtils.createServiceImplResponse(ResponseCodes.RESPONSE_FAILED, OPERATION_FAILED);
 167                 }
 168                 // If Service activation is success update Network ModelMappingUtils
 169                 networkModelWavelengthService.useWavelengths(input.getPathDescription());
 170                 sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest, input.getServiceName(),
 171                         RpcStatusEx.Successful, OPERATION_SUCCESSFUL);
 172                 return ModelMappingUtils.createServiceImplResponse(ResponseCodes.RESPONSE_OK, OPERATION_SUCCESSFUL);
 173             }
 174         });
 175
 176     }
 177
 178     @SuppressWarnings("checkstyle:IllegalCatch")
 179     public OperationResult reserveResource(PathDescription pathDescription) {
 180
 181         try {
 182             LOG.info("Reserving resources in network model");
 183             networkModelWavelengthService.useWavelengths(pathDescription);
 184         } catch (Exception e) {
 185             LOG.warn("Reserving resources in network model failed");
 186             return OperationResult.failed("Resources reserve failed in network model");
 187         }
 188         return OperationResult.ok("Resources reserved successfully in network model");
 189     }
 190
 191     @SuppressWarnings("checkstyle:IllegalCatch")
 192     public OperationResult freeResource(PathDescription pathDescription) {
 193
 194         try {
 195             networkModelWavelengthService.freeWavelengths(pathDescription);
 196         } catch (Exception e) {
 197             return OperationResult.failed("Resources reserve failed in network model");
 198         }
 199         return OperationResult.ok("Resources reserved successfully in network model");
 200     }
 201
 202     @Override
 203     public ListenableFuture<ServiceDeleteOutput> serviceDelete(ServiceDeleteInput input) {
 204         String serviceName = input.getServiceName();
 205         LOG.info("Calling service delete request {} {}", input.getServiceName());
 206         return executor.submit(new Callable<ServiceDeleteOutput>() {
 207
 208             @Override
 209             public ServiceDeleteOutput call() throws Exception {
 210                 sendNotifications(ServicePathNotificationTypes.ServiceDelete, input.getServiceName(),
 211                         RpcStatusEx.Pending, "Service compliant, submitting service delete Request ...");
 212                 // Obtain path description
 213                 Optional<PathDescription> pathDescriptionOpt = getPathDescriptionFromDatastore(serviceName);
 214                 PathDescription pathDescription;
 215                 if (pathDescriptionOpt.isPresent()) {
 216                     pathDescription = pathDescriptionOpt.get();
 217                 } else {
 218                     LOG.error("Unable to get path description for service {}!", serviceName);
 219                     sendNotifications(ServicePathNotificationTypes.ServiceDelete, input.getServiceName(),
 220                             RpcStatusEx.Failed, "Unable to get path description for service");
 221                     return ModelMappingUtils.createServiceDeleteResponse(ResponseCodes.RESPONSE_FAILED,
 222                             OPERATION_FAILED);
 223                 }
 224                 ServicePathInputData servicePathInputDataAtoZ =
 225                         ModelMappingUtils.rendererCreateServiceInputAToZ(serviceName, pathDescription);
 226                 ServicePathInputData servicePathInputDataZtoA =
 227                         ModelMappingUtils.rendererCreateServiceInputZToA(serviceName, pathDescription);
 228                 // OLM turn down power
 229                 try {
 230                     LOG.debug("Turning down power on A-to-Z path");
 231                     sendNotifications(ServicePathNotificationTypes.ServiceDelete,
 232                             input.getServiceName(), RpcStatusEx.Pending, "Turning down power on A-to-Z path");
 233                     ServicePowerTurndownOutput atozPowerTurndownOutput = olmPowerTurndown(servicePathInputDataAtoZ);
 234                     // TODO add some flag rather than string
 235                     if (FAILED.equals(atozPowerTurndownOutput.getResult())) {
 236                         LOG.error("Service power turndown failed on A-to-Z path for service {}!", serviceName);
 237                         sendNotifications(ServicePathNotificationTypes.ServiceDelete,
 238                                 input.getServiceName(), RpcStatusEx.Failed,
 239                                 "Service power turndown failed on A-to-Z path for service");
 240                         return ModelMappingUtils.createServiceDeleteResponse(ResponseCodes.RESPONSE_FAILED,
 241                                 OPERATION_FAILED);
 242                     }
 243                     LOG.debug("Turning down power on Z-to-A path");
 244                     sendNotifications(ServicePathNotificationTypes.ServiceDelete, input.getServiceName(),
 245                             RpcStatusEx.Pending, "Turning down power on Z-to-A path");
 246                     ServicePowerTurndownOutput ztoaPowerTurndownOutput = olmPowerTurndown(servicePathInputDataZtoA);
 247                     // TODO add some flag rather than string
 248                     if (FAILED.equals(ztoaPowerTurndownOutput.getResult())) {
 249                         LOG.error("Service power turndown failed on Z-to-A path for service {}!", serviceName);
 250                         sendNotifications(ServicePathNotificationTypes.ServiceDelete,
 251                                 input.getServiceName(), RpcStatusEx.Failed,
 252                                 "Service power turndown failed on Z-to-A path for service");
 253                         return ModelMappingUtils.createServiceDeleteResponse(ResponseCodes.RESPONSE_FAILED,
 254                                 OPERATION_FAILED);
 255                     }
 256                 } catch (InterruptedException | ExecutionException | TimeoutException e) {
 257                     LOG.error("Error while turning down power!", e);
 258                     return ModelMappingUtils.createServiceDeleteResponse(ResponseCodes.RESPONSE_FAILED,
 259                             OPERATION_FAILED);
 260                 }
 261                 // delete service path with renderer
 262                 LOG.debug("Deleting service path via renderer");
 263                 sendNotifications(ServicePathNotificationTypes.ServiceDelete, input.getServiceName(),
 264                         RpcStatusEx.Pending, "Deleting service path via renderer");
 265                 deviceRenderer.deleteServicePath(servicePathInputDataAtoZ.getServicePathInput());
 266                 deviceRenderer.deleteServicePath(servicePathInputDataZtoA.getServicePathInput());
 267                 networkModelWavelengthService.freeWavelengths(pathDescription);
 268                 sendNotifications(ServicePathNotificationTypes.ServiceDelete, input.getServiceName(),
 269                         RpcStatusEx.Successful, OPERATION_SUCCESSFUL);
 270                 return ModelMappingUtils.createServiceDeleteResponse(ResponseCodes.RESPONSE_OK, OPERATION_SUCCESSFUL);
 271             }
 272         });
 273
 274
 275     }
 276
 277     private ServicePowerTurndownOutput olmPowerTurndown(ServicePathInputData servicePathInputData)
 278             throws InterruptedException, ExecutionException, TimeoutException {
 279         LOG.debug("Turning down power on A-to-Z path");
 280         Future<RpcResult<ServicePowerTurndownOutput>> powerTurndownFuture = this.olmService.servicePowerTurndown(
 281                 new ServicePowerTurndownInputBuilder(servicePathInputData.getServicePathInput()).build());
 282         return powerTurndownFuture.get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS).getResult();
 283     }
 284
 285     private Optional<PathDescription> getPathDescriptionFromDatastore(String serviceName) {
 286         InstanceIdentifier<PathDescription> pathDescriptionIID = InstanceIdentifier.create(ServicePathList.class)
 287                 .child(ServicePaths.class, new ServicePathsKey(serviceName)).child(PathDescription.class);
 288         ReadTransaction pathDescReadTx = this.dataBroker.newReadOnlyTransaction();
 289         try {
 290             LOG.debug("Getting path description for service {}", serviceName);
 291             return pathDescReadTx.read(LogicalDatastoreType.OPERATIONAL, pathDescriptionIID)
 292                     .get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
 293         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 294             LOG.warn("Exception while getting path description from datastore {} for service {}!", pathDescriptionIID,
 295                     serviceName, e);
 296             return Optional.empty();
 297         }
 298     }
 299
 300     private List<DeviceRenderingResult> deviceRendering(RollbackProcessor rollbackProcessor,
 301             ServicePathInputData servicePathDataAtoZ, ServicePathInputData servicePathDataZtoA) {
 302         LOG.info("Rendering devices A-Z");
 303         sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 304                 servicePathDataAtoZ.getServicePathInput().getServiceName(), RpcStatusEx.Pending,
 305                 "Rendering devices A-Z");
 306         ListenableFuture<DeviceRenderingResult> atozrenderingFuture =
 307                 this.executor.submit(new DeviceRenderingTask(this.deviceRenderer, servicePathDataAtoZ,
 308                         ServicePathDirection.A_TO_Z));
 309
 310         LOG.info("Rendering devices Z-A");
 311         sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 312                 servicePathDataAtoZ.getServicePathInput().getServiceName(), RpcStatusEx.Pending,
 313                 "Rendering devices A-Z");
 314         ListenableFuture<DeviceRenderingResult> ztoarenderingFuture =
 315                 this.executor.submit(new DeviceRenderingTask(this.deviceRenderer, servicePathDataZtoA,
 316                         ServicePathDirection.Z_TO_A));
 317         ListenableFuture<List<DeviceRenderingResult>> renderingCombinedFuture =
 318                 Futures.allAsList(atozrenderingFuture, ztoarenderingFuture);
 319
 320         List<DeviceRenderingResult> renderingResults = new ArrayList<>(2);
 321         try {
 322             LOG.info("Waiting for A-Z and Z-A device renderers ...");
 323             renderingResults = renderingCombinedFuture.get(Timeouts.RENDERING_TIMEOUT, TimeUnit.MILLISECONDS);
 324         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 325             LOG.warn("Device rendering was not successful! Rendering will be rolled back.", e);
 326             sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 327                     servicePathDataAtoZ.getServicePathInput().getServiceName(), RpcStatusEx.Pending,
 328                     "Device rendering was not successful! Rendering will be rolled back.");
 329             //FIXME we can't do rollback here, because we don't have rendering results.
 330             return renderingResults;
 331         }
 332
 333         rollbackProcessor.addTask(new DeviceRenderingRollbackTask("AtoZDeviceTask",
 334                 ! renderingResults.get(0).isSuccess(), renderingResults.get(0).getRenderedNodeInterfaces(),
 335                 this.deviceRenderer));
 336         rollbackProcessor.addTask(new DeviceRenderingRollbackTask("ZtoADeviceTask",
 337                 ! renderingResults.get(1).isSuccess(), renderingResults.get(1).getRenderedNodeInterfaces(),
 338                 this.deviceRenderer));
 339         return renderingResults;
 340     }
 341
 342     private void olmPowerSetup(RollbackProcessor rollbackProcessor, ServicePowerSetupInput powerSetupInputAtoZ,
 343             ServicePowerSetupInput powerSetupInputZtoA) {
 344         LOG.info("Olm power setup A-Z");
 345         sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 346                 powerSetupInputAtoZ.getServiceName(), RpcStatusEx.Pending, "Olm power setup A-Z");
 347         ListenableFuture<OLMRenderingResult> olmPowerSetupFutureAtoZ
 348                 = this.executor.submit(new OlmPowerSetupTask(this.olmService, powerSetupInputAtoZ));
 349
 350         LOG.info("OLM power setup Z-A");
 351         sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 352                 powerSetupInputAtoZ.getServiceName(), RpcStatusEx.Pending, "Olm power setup Z-A");
 353         ListenableFuture<OLMRenderingResult> olmPowerSetupFutureZtoA
 354                 = this.executor.submit(new OlmPowerSetupTask(this.olmService, powerSetupInputZtoA));
 355         ListenableFuture<List<OLMRenderingResult>> olmFutures =
 356                 Futures.allAsList(olmPowerSetupFutureAtoZ, olmPowerSetupFutureZtoA);
 357
 358         List<OLMRenderingResult> olmResults;
 359         try {
 360             LOG.info("Waiting for A-Z and Z-A OLM power setup ...");
 361             olmResults = olmFutures.get(Timeouts.OLM_TIMEOUT, TimeUnit.MILLISECONDS);
 362         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 363             LOG.warn("OLM power setup was not successful! Rendering and OLM will be rolled back.", e);
 364             sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 365                     powerSetupInputAtoZ.getServiceName(), RpcStatusEx.Pending,
 366                     "OLM power setup was not successful! Rendering and OLM will be rolled back.");
 367             rollbackProcessor.addTask(new OlmPowerSetupRollbackTask("AtoZOLMTask", true,
 368                     this.olmService, powerSetupInputAtoZ));
 369             rollbackProcessor.addTask(new OlmPowerSetupRollbackTask("ZtoAOLMTask", true,
 370                     this.olmService, powerSetupInputZtoA));
 371             return;
 372         }
 373
 374         rollbackProcessor.addTask(new OlmPowerSetupRollbackTask("AtoZOLMTask", ! olmResults.get(0).isSuccess(),
 375                 this.olmService, powerSetupInputAtoZ));
 376         rollbackProcessor.addTask(new OlmPowerSetupRollbackTask("ZtoAOLMTask", ! olmResults.get(1).isSuccess(),
 377                 this.olmService, powerSetupInputZtoA));
 378     }
 379
 380     private boolean isServiceActivated(String nodeId, String tpId) {
 381         LOG.info("Starting service activation test on node {} and tp {}", nodeId, tpId);
 382         for (int i = 0; i < 3; i++) {
 383             List<Measurements> measurements = getMeasurements(nodeId, tpId);
 384             if ((measurements != null) && verifyPreFecBer(measurements)) {
 385                 return true;
 386             } else if (measurements == null) {
 387                 LOG.warn("Device {} is not reporting PreFEC on TP: {}", nodeId, tpId);
 388                 return true;
 389             } else {
 390                 try {
 391                     Thread.sleep(Timeouts.SERVICE_ACTIVATION_TEST_RETRY_TIME);
 392                 } catch (InterruptedException ex) {
 393                     Thread.currentThread().interrupt();
 394                 }
 395             }
 396         }
 397         LOG.error("Service activation test failed on node {} and termination point {}!", nodeId, tpId);
 398         return false;
 399     }
 400
 401     private List<Measurements> getMeasurements(String nodeId, String tp) {
 402         GetPmInputBuilder getPmIpBldr = new GetPmInputBuilder();
 403         getPmIpBldr.setNodeId(nodeId);
 404         getPmIpBldr.setGranularity(PmGranularity._15min);
 405         ResourceIdentifierBuilder rsrcBldr = new ResourceIdentifierBuilder();
 406         rsrcBldr.setResourceName(tp + "-OTU");
 407         getPmIpBldr.setResourceIdentifier(rsrcBldr.build());
 408         getPmIpBldr.setResourceType(ResourceTypeEnum.Interface);
 409
 410         try {
 411             Future<RpcResult<GetPmOutput>> getPmFuture = this.olmService.getPm(getPmIpBldr.build());
 412             RpcResult<GetPmOutput> getPmRpcResult = getPmFuture.get();
 413             GetPmOutput getPmOutput = getPmRpcResult.getResult();
 414             if ((getPmOutput != null) && (getPmOutput.getNodeId() != null)) {
 415                 LOG.info("successfully finished calling OLM's get PM");
 416                 return getPmOutput.getMeasurements();
 417                 // may return null
 418             } else {
 419                 LOG.warn("OLM's get PM failed for node {} and tp {}", nodeId, tp);
 420             }
 421
 422         } catch (ExecutionException | InterruptedException e) {
 423             LOG.warn("Error occurred while getting PM for node {} and tp {}", nodeId, tp, e);
 424         }
 425         return null;
 426     }
 427
 428
 429     private boolean verifyPreFecBer(List<Measurements> measurements) {
 430         double preFecCorrectedErrors = Double.MIN_VALUE;
 431         double fecUncorrectableBlocks = Double.MIN_VALUE;
 432
 433         for (Measurements measurement : measurements) {
 434             if (measurement.getPmparameterName().equals("preFECCorrectedErrors")) {
 435                 preFecCorrectedErrors = Double.parseDouble(measurement.getPmparameterValue());
 436             }
 437             if (measurement.getPmparameterName().equals("FECUncorrectableBlocks")) {
 438                 fecUncorrectableBlocks = Double.parseDouble(measurement.getPmparameterValue());
 439             }
 440         }
 441
 442         LOG.info("Measurements: preFECCorrectedErrors = {}; FECUncorrectableBlocks = {}", preFecCorrectedErrors,
 443                 fecUncorrectableBlocks);
 444
 445         if (fecUncorrectableBlocks > Double.MIN_VALUE) {
 446             LOG.error("Data has uncorrectable errors, BER test failed");
 447             return false;
 448         } else {
 449             double numOfBitsPerSecond = 112000000000d;
 450             double threshold = 0.00002d;
 451             double result = preFecCorrectedErrors / numOfBitsPerSecond;
 452             LOG.info("PreFEC value is {}", Double.toString(result));
 453             return result <= threshold;
 454         }
 455     }
 456
 457 }