appc-dispatcher/appc-request-handler/appc-request-handler-core/src/main/java/org/onap/appc/requesthandler/impl/RequestValidatorImpl.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP : APPC
   4  * ================================================================================
   5  * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Copyright (C) 2017 Amdocs
   8  * =============================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  * ============LICENSE_END=========================================================
  22  */
  23
  24 package org.onap.appc.requesthandler.impl;
  25
  26 import com.att.eelf.i18n.EELFResourceManager;
  27 import com.fasterxml.jackson.databind.JsonNode;
  28 import com.fasterxml.jackson.databind.ObjectMapper;
  29 import com.fasterxml.jackson.databind.node.ObjectNode;
  30
  31 import jline.internal.Log;
  32
  33 import org.apache.commons.io.IOUtils;
  34 import org.apache.commons.lang.ObjectUtils;
  35 import org.apache.commons.lang.StringUtils;
  36 import org.apache.http.HttpResponse;
  37 import org.json.JSONObject;
  38 import org.onap.appc.domainmodel.lcm.Flags;
  39 import org.onap.appc.domainmodel.lcm.RequestContext;
  40 import org.onap.appc.domainmodel.lcm.RuntimeContext;
  41 import org.onap.appc.domainmodel.lcm.TransactionRecord;
  42 import org.onap.appc.domainmodel.lcm.VNFContext;
  43 import org.onap.appc.domainmodel.lcm.VNFOperation;
  44 import org.onap.appc.exceptions.APPCException;
  45 import org.onap.appc.executor.objects.LCMCommandStatus;
  46 import org.onap.appc.executor.objects.Params;
  47 import org.onap.appc.i18n.Msg;
  48 import org.onap.appc.lockmanager.api.LockException;
  49 import org.onap.appc.lockmanager.api.LockManager;
  50 import org.onap.appc.logging.LoggingConstants;
  51 import org.onap.appc.logging.LoggingUtils;
  52 import org.onap.appc.requesthandler.exceptions.DGWorkflowNotFoundException;
  53 import org.onap.appc.requesthandler.exceptions.LCMOperationsDisabledException;
  54 import org.onap.appc.requesthandler.exceptions.MissingVNFDataInAAIException;
  55 import org.onap.appc.requesthandler.exceptions.RequestValidationException;
  56 import org.onap.appc.requesthandler.exceptions.VNFNotFoundException;
  57 import org.onap.appc.requesthandler.exceptions.WorkflowNotFoundException;
  58 import org.onap.appc.requesthandler.model.ActionIdentifierModel;
  59 import org.onap.appc.requesthandler.model.Input;
  60 import org.onap.appc.requesthandler.model.Request;
  61 import org.onap.appc.requesthandler.model.RequestData;
  62 import org.onap.appc.requesthandler.model.RequestModel;
  63 import org.onap.appc.requesthandler.model.ScopeOverlapModel;
  64 import org.onap.appc.rest.client.RestClientInvoker;
  65 import org.onap.appc.validationpolicy.RequestValidationPolicy;
  66 import org.onap.appc.validationpolicy.executors.RuleExecutor;
  67 import org.onap.appc.validationpolicy.objects.RuleResult;
  68 import org.onap.appc.workflow.WorkFlowManager;
  69 import org.onap.appc.workflow.objects.WorkflowExistsOutput;
  70 import org.onap.appc.workflow.objects.WorkflowRequest;
  71 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
  72 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
  73 import org.onap.ccsdk.sli.core.sli.SvcLogicResource;
  74 import org.onap.ccsdk.sli.adaptors.aai.AAIService;
  75 import org.osgi.framework.BundleContext;
  76 import org.osgi.framework.FrameworkUtil;
  77 import org.osgi.framework.ServiceReference;
  78
  79 import java.io.IOException;
  80 import java.net.MalformedURLException;
  81 import java.net.URL;
  82 import java.util.ArrayList;
  83 import java.util.Date;
  84 import java.util.List;
  85 import java.util.Properties;
  86 import java.util.stream.Collectors;
  87
  88 public class RequestValidatorImpl extends AbstractRequestValidatorImpl {
  89
  90     private WorkFlowManager workflowManager;
  91     private LockManager lockManager;
  92     private AAIService aaiService;
  93     private RequestValidationPolicy requestValidationPolicy;
  94     private RestClientInvoker client;
  95     private String path;
  96
  97     static final String SCOPE_OVERLAP_ENDPOINT = "appc.LCM.scopeOverlap.endpoint";
  98     static final String ODL_USER = "appc.LCM.provider.user";
  99     static final String ODL_PASS = "appc.LCM.provider.pass";
 100
 101     public void initialize() throws APPCException {
 102         logger.info("Initializing RequestValidatorImpl.");
 103         String endpoint = null;
 104         String user = null;
 105         String pass =null;
 106         Properties properties = configuration.getProperties();
 107         if (properties != null) {
 108             endpoint = properties.getProperty(SCOPE_OVERLAP_ENDPOINT);
 109             user = properties.getProperty(ODL_USER);
 110             pass = properties.getProperty(ODL_PASS);
 111         }
 112         if (endpoint == null) {
 113             String message = "End point is not defined for scope over lap service in appc.properties.";
 114             logger.error(message);
 115             // TODO throw following exception (and remove the "return") when
 116             // entry in appc.properties file is made for scope overlap service
 117             // endpoint
 118             // and remove @Ignore in unit tests:
 119             // testInitializeWithNullConfigProps,
 120             // testInitializeWithoutEndpointProp
 121             // throw new APPCException(message);
 122             return;
 123         }
 124
 125         try {
 126             URL url = new URL(endpoint);
 127             client = new RestClientInvoker(url);
 128             client.setAuthentication(user, pass);
 129             path = url.getPath();
 130
 131         } catch (MalformedURLException e) {
 132             String message = "Invalid endpoint " + endpoint;
 133             logger.error(message, e);
 134             // TODO throw following exception when entry in appc.properties file
 135             // is made for scope overlap service endpoint
 136             // and remove @Ignore in unit test:
 137             // testInitializeWithMalFormatEndpoint
 138             // throw new APPCException(message);
 139         }
 140     }
 141
 142     private void getAAIservice() {
 143         BundleContext bctx = FrameworkUtil.getBundle(AAIService.class).getBundleContext();
 144         // Get AAIadapter reference
 145         ServiceReference sref = bctx.getServiceReference(AAIService.class.getName());
 146         if (sref != null) {
 147             logger.info("AAIService from bundlecontext");
 148             aaiService = (AAIService) bctx.getService(sref);
 149
 150         } else {
 151             logger.error("Cannot find service reference for org.onap.ccsdk.sli.adaptors.aai.AAIService");
 152
 153         }
 154     }
 155
 156     public void setLockManager(LockManager lockManager) {
 157         this.lockManager = lockManager;
 158     }
 159
 160     public void setClient(RestClientInvoker client) {
 161         this.client = client;
 162     }
 163
 164     public void setWorkflowManager(WorkFlowManager workflowManager) {
 165         this.workflowManager = workflowManager;
 166     }
 167
 168     public void setRequestValidationPolicy(RequestValidationPolicy requestValidationPolicy) {
 169         this.requestValidationPolicy = requestValidationPolicy;
 170     }
 171
 172     public void validateRequest(RuntimeContext runtimeContext) throws Exception {
 173         if (logger.isTraceEnabled()) {
 174             logger.trace(
 175                     "Entering to validateRequest with RequestHandlerInput = " + ObjectUtils.toString(runtimeContext));
 176         }
 177         if (!lcmStateManager.isLCMOperationEnabled()) {
 178             LoggingUtils.logErrorMessage(LoggingConstants.TargetNames.REQUEST_VALIDATOR,
 179                     EELFResourceManager.format(Msg.LCM_OPERATIONS_DISABLED), this.getClass().getCanonicalName());
 180             throw new LCMOperationsDisabledException("APPC LCM operations have been administratively disabled");
 181         }
 182
 183         getAAIservice();
 184         validateInput(runtimeContext);
 185         String vnfId = runtimeContext.getRequestContext().getActionIdentifiers().getVnfId();
 186         VNFContext vnfContext = queryAAI(vnfId);
 187         runtimeContext.setVnfContext(vnfContext);
 188         runtimeContext.getTransactionRecord().setTargetType(vnfContext.getType());
 189
 190         VNFOperation operation = runtimeContext.getRequestContext().getAction();
 191         if (operation.isBuiltIn()) {
 192             return;
 193         }
 194
 195         validateVNFLock(runtimeContext);
 196         checkWorkflowExists(vnfContext, runtimeContext.getRequestContext());
 197
 198         if (runtimeContext.getRequestContext().getCommonHeader().getFlags().isForce()) {
 199             return;
 200         }
 201
 202         List<TransactionRecord> inProgressTransactions = transactionRecorder
 203                 .getInProgressRequests(runtimeContext.getTransactionRecord());
 204         logger.debug("In progress requests " + inProgressTransactions.toString());
 205
 206         Long exclusiveRequestCount = inProgressTransactions.stream()
 207                 .filter(record -> record.getMode().equals(Flags.Mode.EXCLUSIVE.name())).count();
 208         if (exclusiveRequestCount > 0) {
 209             String message = "Request rejected - Existing request in progress with exclusive mode for VNF: " + vnfId;
 210             throw new RequestValidationException(message, LCMCommandStatus.EXLCUSIVE_REQUEST_IN_PROGRESS,
 211                     (new Params()).addParam("errorMsg", message));
 212         }
 213
 214         Boolean scopeOverLap = checkScopeOverLap(runtimeContext.getRequestContext(), inProgressTransactions);
 215         logger.debug("Scope overlap " + scopeOverLap);
 216         if (scopeOverLap) {
 217             List<VNFOperation> inProgressActions = inProgressTransactions.stream().map(TransactionRecord::getOperation)
 218                     .collect(Collectors.toList());
 219
 220             RuleExecutor ruleExecutor = requestValidationPolicy.getInProgressRuleExecutor();
 221             RuleResult result = ruleExecutor.executeRule(operation.name(), inProgressActions);
 222             logger.debug("Policy validation result " + result);
 223             if (RuleResult.REJECT == result) {
 224                 String message = "Request rejected as per the request validation policy";
 225                 throw new RequestValidationException(message, LCMCommandStatus.POLICY_VALIDATION_FAILURE,
 226                         (new Params()).addParam("errorMsg", message));
 227             }
 228         }
 229     }
 230
 231     private void validateVNFLock(RuntimeContext runtimeContext) throws LockException {
 232         String vnfId = runtimeContext.getRequestContext().getActionIdentifiers().getVnfId();
 233         String lockOwner = lockManager.getLockOwner(vnfId);
 234         logger.debug("Current lock owner is " + lockOwner + " for vnf " + vnfId);
 235         if (lockOwner != null
 236                 && !lockOwner.equals(runtimeContext.getRequestContext().getCommonHeader().getRequestId())) {
 237             String message = new StringBuilder("VNF : ").append(vnfId).append(" is locked by request id :")
 238                     .append(lockOwner).toString();
 239             throw new LockException(message);
 240         }
 241     }
 242
 243     /*
 244      * Do not remove this method, this is actual method for invoking scope
 245      * overlap service When the service becomes available, its dummy
 246      * implementation should be removed and this implementation should be used.
 247      */
 248     private Boolean checkScopeOverLap(RequestContext requestContext, List<TransactionRecord> inProgressTransactions)
 249             throws APPCException {
 250         Boolean scopeOverlap = null;
 251         try {
 252             JsonNode inputJSON = convertToJsonInput(requestContext, inProgressTransactions);
 253             logger.debug("Input to scope overlap service " + inputJSON.toString());
 254             HttpResponse response = client.doPost(path, inputJSON.toString());
 255             int httpCode = response.getStatusLine().getStatusCode();
 256             if (httpCode < 200 || httpCode >= 300) {
 257                 logger.debug("http error code " + httpCode);
 258                 throw new APPCException("Exception occurred on invoking check scope overlap api");
 259             }
 260             String respBody = IOUtils.toString(response.getEntity().getContent());
 261             logger.debug("response body " + respBody);
 262             ObjectMapper mapper = new ObjectMapper();
 263             JsonNode outputJSON = mapper.readTree(respBody);
 264             scopeOverlap = readScopeOverlap(outputJSON);
 265         } catch (IOException e) {
 266             String message = "Error accessing check scope overlap service";
 267             logger.error(message, e);
 268             throw new APPCException(message);
 269         }
 270         return scopeOverlap;
 271     }
 272
 273     private Boolean readScopeOverlap(JsonNode outputJSON) throws APPCException {
 274         logger.debug("Response JSON " + outputJSON.toString());
 275         String message = "Error reading response JSON from scope overlap service ";
 276         JsonNode outputNode = outputJSON.get("output");
 277         JsonNode statusNode = outputNode.get("status");
 278         if (statusNode == null) {
 279             throw new APPCException(message);
 280         }
 281
 282         if (null == statusNode.get("message"))
 283             throw new APPCException(message + "Status message is null.");
 284         String responseStatusMessage = statusNode.get("message").textValue();
 285
 286         if (null == statusNode.get("code"))
 287             throw new APPCException(message + "Status code is null.");
 288         String code = statusNode.get("code").textValue();
 289
 290         JsonNode responseInfoNode = outputNode.get("response-info");
 291         JsonNode blockNode = responseInfoNode.get("block");
 292         String requestOverlapValue = null;
 293
 294         if (null != blockNode)
 295             requestOverlapValue = blockNode.textValue();
 296
 297         logger.debug("Response JSON " + requestOverlapValue);
 298
 299         if (code.equals("400")) {
 300             if(null==requestOverlapValue)
 301                 throw new APPCException("Response code is 400 but requestOverlapValue is null ");
 302             if (requestOverlapValue.contains("true")) {
 303                 return Boolean.TRUE;
 304             } else if (requestOverlapValue.contains("false")) {
 305                 return Boolean.FALSE;
 306             } else {
 307                 throw new APPCException(
 308                         message + "requestOverlap value is other than True and False, it is " + requestOverlapValue);
 309             }
 310         } else if (code.equals("401")) {
 311             throw new APPCException(message + responseStatusMessage);
 312         } else {
 313             throw new APPCException(message + "Status code is neither 400 nor 401, it is " + code);
 314         }
 315
 316     }
 317
 318     private JsonNode convertToJsonInput(RequestContext requestContext, List<TransactionRecord> inProgressTransactions) {
 319         ObjectMapper objectMapper = new ObjectMapper();
 320         ScopeOverlapModel scopeOverlapModel = getScopeOverlapModel(requestContext, inProgressTransactions);
 321         // Added for change in interface for action level
 322
 323         JsonNode jsonObject = objectMapper.valueToTree(scopeOverlapModel);
 324
 325         return jsonObject;
 326     }
 327
 328     public ScopeOverlapModel getScopeOverlapModel(RequestContext requestContext,
 329             List<TransactionRecord> inProgressTransactions) {
 330         ScopeOverlapModel scopeOverlapModel = new ScopeOverlapModel();
 331         RequestData requestData = new RequestData();
 332
 333         List<RequestModel> inProgressRequests = new ArrayList<>();
 334         RequestModel requestModel = new RequestModel();
 335         ActionIdentifierModel actionIdentifierModel = extractActionIdentifierModel(requestContext);
 336         requestModel.setAction(requestContext.getAction().toString());
 337         requestModel.setActionIdentifier(actionIdentifierModel);
 338
 339         if (requestModel.getActionIdentifier().getVnfId() != null) {
 340             requestData.setVnfID(requestModel.getActionIdentifier().getVnfId());
 341         }
 342
 343         if (requestModel.getActionIdentifier().getVnfcName() != null
 344                 || requestModel.getActionIdentifier().getVfModuleId() != null
 345                 || requestModel.getActionIdentifier().getVserverId() != null) {
 346
 347             requestModel.getActionIdentifier().setVnfId(null);
 348         }
 349
 350         requestData.setCurrentRequest(requestModel);
 351
 352         for (TransactionRecord record : inProgressTransactions) {
 353             RequestModel request = new RequestModel();
 354             ActionIdentifierModel actionIdentifier = new ActionIdentifierModel();
 355
 356             actionIdentifier.setServiceInstanceId(record.getServiceInstanceId());
 357             actionIdentifier.setVnfId(record.getTargetId());
 358             actionIdentifier.setVnfcName(record.getVnfcName());
 359             actionIdentifier.setVfModuleId(record.getVfModuleId());
 360             actionIdentifier.setVserverId(record.getVserverId());
 361
 362             request.setAction(record.getOperation().name());
 363             request.setActionIdentifier(actionIdentifier);
 364             if (request.getActionIdentifier().getVnfcName() != null
 365                         || request.getActionIdentifier().getVfModuleId() != null
 366                         || request.getActionIdentifier().getVserverId() != null) {
 367
 368                     request.getActionIdentifier().setVnfId(null);
 369             }
 370             inProgressRequests.add(request);
 371         }
 372
 373         requestData.setInProgressRequests(inProgressRequests);
 374
 375         Request request = new Request();
 376
 377         Date date = new Date();
 378         request.setRequestID("RequestId-ScopeOverlap " + date.toString());
 379         request.setAction("isScopeOverlap");
 380         ObjectMapper objectMapper = new ObjectMapper();
 381         JsonNode json = objectMapper.valueToTree(requestData);
 382         request.setRequestData(json.toString());
 383         Input input = new Input();
 384         input.setRequest(request);
 385         scopeOverlapModel.setInput(input);
 386
 387         return scopeOverlapModel;
 388     }
 389
 390     private ActionIdentifierModel extractActionIdentifierModel(RequestContext requestContext) {
 391         ActionIdentifierModel actionIdentifierModel = new ActionIdentifierModel();
 392         actionIdentifierModel.setServiceInstanceId(requestContext.getActionIdentifiers().getServiceInstanceId());
 393         actionIdentifierModel.setVnfId(requestContext.getActionIdentifiers().getVnfId());
 394         actionIdentifierModel.setVnfcName(requestContext.getActionIdentifiers().getVnfcName());
 395         actionIdentifierModel.setVfModuleId(requestContext.getActionIdentifiers().getVfModuleId());
 396         actionIdentifierModel.setVserverId(requestContext.getActionIdentifiers().getVserverId());
 397         return actionIdentifierModel;
 398     }
 399
 400     private VNFContext queryAAI(String vnfId) throws VNFNotFoundException, MissingVNFDataInAAIException {
 401         SvcLogicContext ctx = new SvcLogicContext();
 402         ctx = getVnfdata(vnfId, "vnf", ctx);
 403
 404         VNFContext vnfContext = new VNFContext();
 405         populateVnfContext(vnfContext, ctx);
 406
 407         return vnfContext;
 408     }
 409
 410     private SvcLogicContext getVnfdata(String vnf_id, String prefix, SvcLogicContext ctx) throws VNFNotFoundException {
 411         if (logger.isTraceEnabled()) {
 412             logger.trace("Entering to getVnfdata with vnfid = " + ObjectUtils.toString(vnf_id) + ", prefix = "
 413                     + ObjectUtils.toString(prefix) + ", SvcLogicContext" + ObjectUtils.toString(ctx));
 414         }
 415         String key = "vnf-id = '" + vnf_id + "'";
 416         logger.debug("inside getVnfdata=== " + key);
 417         try {
 418             Date beginTimestamp = new Date();
 419             SvcLogicResource.QueryStatus response = aaiService.query("generic-vnf", false, null, key, prefix, null,
 420                     ctx);
 421             Date endTimestamp = new Date();
 422             String status = SvcLogicResource.QueryStatus.SUCCESS.equals(response)
 423                     ? LoggingConstants.StatusCodes.COMPLETE : LoggingConstants.StatusCodes.ERROR;
 424             LoggingUtils.logMetricsMessage(beginTimestamp.toInstant(), endTimestamp.toInstant(),
 425                     LoggingConstants.TargetNames.AAI, LoggingConstants.TargetServiceNames.AAIServiceNames.QUERY, status,
 426                     "", response.name(), this.getClass().getCanonicalName());
 427             if (SvcLogicResource.QueryStatus.NOT_FOUND.equals(response)) {
 428                 throw new VNFNotFoundException("VNF not found for vnf_id = " + vnf_id, vnf_id);
 429             } else if (SvcLogicResource.QueryStatus.FAILURE.equals(response)) {
 430                 throw new RuntimeException("Error Querying AAI with vnfID = " + vnf_id);
 431             }
 432             logger.info("AAIResponse: " + response.toString());
 433         } catch (SvcLogicException e) {
 434
 435             LoggingUtils.logErrorMessage(LoggingConstants.TargetServiceNames.AAIServiceNames.GET_VNF_DATA,
 436                     "Error in getVnfdata" + e, this.getClass().getCanonicalName());
 437
 438             throw new RuntimeException(e);
 439         }
 440         if (logger.isTraceEnabled()) {
 441             logger.trace("Exiting from getVnfdata with (SvcLogicContext = " + ObjectUtils.toString(ctx) + ")");
 442         }
 443         return ctx;
 444     }
 445
 446     private void populateVnfContext(VNFContext vnfContext, SvcLogicContext ctx) throws MissingVNFDataInAAIException {
 447         String vnfType = ctx.getAttribute("vnf.vnf-type");
 448         if (StringUtils.isEmpty(vnfType)) {
 449             throw new MissingVNFDataInAAIException("vnf-type", ctx.getAttribute("vnf.vnf-id"));
 450         }
 451         vnfContext.setType(vnfType);
 452         vnfContext.setId(ctx.getAttribute("vnf.vnf-id"));
 453     }
 454
 455     private void checkWorkflowExists(VNFContext vnfContext, RequestContext requestContext)
 456             throws WorkflowNotFoundException, DGWorkflowNotFoundException {
 457         WorkflowExistsOutput workflowExistsOutput = workflowManager
 458                 .workflowExists(getWorkflowQueryParams(vnfContext, requestContext));
 459         if (!workflowExistsOutput.isMappingExist()) {
 460             if (logger.isDebugEnabled()) {
 461                 logger.debug("WorkflowManager : Workflow mapping not found for vnfType = " + vnfContext.getType()
 462                         + ", version = " + vnfContext.getVersion() + ", command = "
 463                         + requestContext.getAction().name());
 464             }
 465             LoggingUtils.logErrorMessage(LoggingConstants.TargetNames.WORKFLOW_MANAGER, EELFResourceManager
 466                     .format(Msg.APPC_WORKFLOW_NOT_FOUND, vnfContext.getType(), requestContext.getAction().name()),
 467                     this.getClass().getCanonicalName());
 468             throw new WorkflowNotFoundException(
 469                     "Workflow mapping not found for vnfType = " + vnfContext.getType() + ", command = "
 470                             + requestContext.getAction().name(),
 471                     vnfContext.getType(), requestContext.getAction().name());
 472         }
 473         if (!workflowExistsOutput.isDgExist()) {
 474             if (logger.isDebugEnabled()) {
 475                 logger.debug("WorkflowManager : DG Workflow not found for vnfType = " + vnfContext.getType()
 476                         + ", version = " + vnfContext.getVersion() + ", command = " + requestContext.getAction().name()
 477                         + " " + workflowExistsOutput);
 478             }
 479             LoggingUtils.logErrorMessage(LoggingConstants.TargetNames.WORKFLOW_MANAGER, EELFResourceManager
 480                     .format(Msg.APPC_WORKFLOW_NOT_FOUND, vnfContext.getType(), requestContext.getAction().name()),
 481                     this.getClass().getCanonicalName());
 482             throw new DGWorkflowNotFoundException(
 483                     "Workflow not found for vnfType = " + vnfContext.getType() + ", command = "
 484                             + requestContext.getAction().name(),
 485                     workflowExistsOutput.getWorkflowModule(), workflowExistsOutput.getWorkflowName(),
 486                     workflowExistsOutput.getWorkflowVersion(), vnfContext.getType(), requestContext.getAction().name());
 487         }
 488     }
 489
 490     private WorkflowRequest getWorkflowQueryParams(VNFContext vnfContext, RequestContext requestContext) {
 491         WorkflowRequest workflowRequest = new WorkflowRequest();
 492         workflowRequest.setVnfContext(vnfContext);
 493         workflowRequest.setRequestContext(requestContext);
 494         if (logger.isTraceEnabled()) {
 495             logger.trace("Exiting from getWorkflowQueryParams with (WorkflowRequest = "
 496                     + ObjectUtils.toString(workflowRequest) + ")");
 497         }
 498         return workflowRequest;
 499     }
 500 }