bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoDeleteVFCNetworkServiceInstance.groovy

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * OPENECOMP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.bpmn.infrastructure.scripts
  22
  23 import org.camunda.bpm.engine.delegate.BpmnError
  24 import org.camunda.bpm.engine.delegate.DelegateExecution
  25 import org.onap.so.bpmn.common.scripts.AbstractServiceTaskProcessor
  26 import org.onap.so.bpmn.common.scripts.ExceptionUtil
  27 import org.onap.so.bpmn.core.json.JsonUtils
  28 import org.onap.so.client.HttpClient
  29 import org.onap.so.client.aai.AAIObjectType
  30 import org.onap.so.client.aai.entities.uri.AAIResourceUri
  31 import org.onap.so.client.aai.entities.uri.AAIUriFactory
  32 import org.onap.so.logger.MessageEnum
  33 import org.onap.so.logger.MsoLogger
  34 import org.onap.so.utils.TargetEntity
  35 import org.onap.so.bpmn.core.UrnPropertiesReader
  36
  37 import javax.ws.rs.core.Response
  38 /**
  39  * This groovy class supports the <class>DoDeleteVFCNetworkServiceInstance.bpmn</class> process.
  40  * flow for E2E ServiceInstance Delete
  41  */
  42 public class DoDeleteVFCNetworkServiceInstance extends AbstractServiceTaskProcessor {
  43         private static final MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL, DoDeleteVFCNetworkServiceInstance.class);
  44
  45     ExceptionUtil exceptionUtil = new ExceptionUtil()
  46
  47     JsonUtils jsonUtil = new JsonUtils()
  48
  49     /**
  50      * Pre Process the BPMN Flow Request
  51      * Inclouds:
  52      * generate the nsOperationKey
  53      */
  54     public void preProcessRequest (DelegateExecution execution) {
  55
  56         String msg = ""
  57         msoLogger.trace("preProcessRequest() ")
  58         try {
  59             //deal with operation key
  60             String globalSubscriberId = execution.getVariable("globalSubscriberId")
  61             msoLogger.info("globalSubscriberId:" + globalSubscriberId)
  62             String serviceType = execution.getVariable("serviceType")
  63             msoLogger.info("serviceType:" + serviceType)
  64             String serviceId = execution.getVariable("serviceId")
  65             msoLogger.info("serviceId:" + serviceId)
  66             String operationId = execution.getVariable("operationId")
  67             msoLogger.info("serviceType:" + serviceType)
  68             String nodeTemplateUUID = execution.getVariable("resourceTemplateId")
  69             msoLogger.info("nodeTemplateUUID:" + nodeTemplateUUID)
  70             String nsInstanceId = execution.getVariable("resourceInstanceId")
  71             msoLogger.info("nsInstanceId:" + nsInstanceId)
  72             execution.setVariable("nsInstanceId",nsInstanceId)
  73             String nsOperationKey = """{
  74             "globalSubscriberId":"${globalSubscriberId}",
  75             "serviceType":"${serviceType}",
  76             "serviceId":"${serviceId}",
  77             "operationId":"${operationId}",
  78             "nodeTemplateUUID":"${nodeTemplateUUID}"
  79              }"""
  80             execution.setVariable("nsOperationKey", nsOperationKey);
  81             msoLogger.info("nsOperationKey:" + nsOperationKey)
  82
  83             String vfcAdapterUrl = UrnPropertiesReader.getVariable("mso.adapters.vfc.rest.endpoint", execution)
  84
  85             if (vfcAdapterUrl == null || vfcAdapterUrl.isEmpty()) {
  86                 msg = getProcessKey(execution) + ': mso:adapters:vfcc:rest:endpoint URN mapping is not defined'
  87                 msoLogger.debug(msg)
  88             }
  89
  90             while (vfcAdapterUrl.endsWith('/')) {
  91                 vfcAdapterUrl = vfcAdapterUrl.substring(0, vfcAdapterUrl.length()-1)
  92             }
  93
  94             execution.setVariable("vfcAdapterUrl", vfcAdapterUrl)
  95
  96         } catch (BpmnError e) {
  97             throw e;
  98         } catch (Exception ex){
  99             msg = "Exception in preProcessRequest " + ex.getMessage()
 100             msoLogger.info(msg)
 101             exceptionUtil.buildAndThrowWorkflowException(execution, 7000, msg)
 102         }
 103         msoLogger.trace("Exit preProcessRequest ")
 104         }
 105
 106     /**
 107      * unwind NS from AAI relationship
 108      */
 109     public void deleteNSRelationship(DelegateExecution execution) {
 110         def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
 111         utils.log("INFO"," ***** deleteNSRelationship *****",  isDebugEnabled)
 112         String nsInstanceId = execution.getVariable("resourceInstanceId")
 113         if(nsInstanceId == null || nsInstanceId == ""){
 114             utils.log("INFO"," Delete NS failed",  isDebugEnabled)
 115             return
 116         }
 117         String globalSubscriberId = execution.getVariable("globalSubscriberId")
 118         String serviceType = execution.getVariable("serviceType")
 119         String serviceId = execution.getVariable("serviceId")
 120         AAIResourceUri serviceInstanceUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, globalSubscriberId, serviceType, serviceId)
 121         AAIResourceUri nsServiceInstanceUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, globalSubscriberId, serviceType, nsInstanceId)
 122         try {
 123             getAAIClient().disconnect(serviceInstanceUri, nsServiceInstanceUri)
 124         }catch(Exception e){
 125             exceptionUtil.buildAndThrowWorkflowException(execution,25000,"Exception occured while NS disconnect call: " + e.getMessage())
 126         }
 127         utils.log("INFO"," *****Exit deleteNSRelationship *****",  isDebugEnabled)
 128     }
 129
 130     /**
 131      * delete NS task
 132      */
 133     public void deleteNetworkService(DelegateExecution execution) {
 134
 135         msoLogger.trace("deleteNetworkService  start ")
 136         String vfcAdapterUrl = execution.getVariable("vfcAdapterUrl")
 137         String nsOperationKey = execution.getVariable("nsOperationKey");
 138         String url = vfcAdapterUrl + "/ns/" + execution.getVariable("nsInstanceId")
 139         Response apiResponse = deleteRequest(execution, url, nsOperationKey)
 140         String returnCode = apiResponse.getStatus()
 141         String operationStatus = "error";
 142         if(returnCode== "200" || returnCode== "202"){
 143             operationStatus = "finished"
 144         }
 145         execution.setVariable("operationStatus", operationStatus)
 146
 147         msoLogger.trace("deleteNetworkService  end ")
 148     }
 149
 150     /**
 151      * instantiate NS task
 152      */
 153     public void terminateNetworkService(DelegateExecution execution) {
 154
 155         msoLogger.trace("terminateNetworkService  start ")
 156         String vfcAdapterUrl = execution.getVariable("vfcAdapterUrl")
 157         String nsOperationKey = execution.getVariable("nsOperationKey")
 158         String url =  vfcAdapterUrl + "/ns/" + execution.getVariable("nsInstanceId") + "/terminate"
 159         Response apiResponse = postRequest(execution, url, nsOperationKey)
 160         String returnCode = apiResponse.getStatus()
 161         String aaiResponseAsString = apiResponse.readEntity(String.class)
 162         String jobId = "";
 163         if(returnCode== "200" || returnCode== "202"){
 164             jobId =  jsonUtil.getJsonValue(aaiResponseAsString, "jobId")
 165         }
 166         execution.setVariable("jobId", jobId)
 167         msoLogger.trace("terminateNetworkService  end ")
 168     }
 169
 170     /**
 171      * query NS task
 172      */
 173     public void queryNSProgress(DelegateExecution execution) {
 174
 175         msoLogger.trace("queryNSProgress  start ")
 176         String vfcAdapterUrl = execution.getVariable("vfcAdapterUrl")
 177         String jobId = execution.getVariable("jobId")
 178         String nsOperationKey = execution.getVariable("nsOperationKey");
 179         String url =  vfcAdapterUrl + "/jobs/" +  execution.getVariable("jobId")
 180         Response apiResponse = postRequest(execution, url, nsOperationKey)
 181         String returnCode = apiResponse.getStatus()
 182         String apiResponseAsString = apiResponse.readEntity(String.class)
 183         String operationProgress = "100"
 184         if(returnCode== "200"){
 185             operationProgress = jsonUtil.getJsonValue(apiResponseAsString, "responseDescriptor.progress")
 186         }
 187         execution.setVariable("operationProgress", operationProgress)
 188         msoLogger.trace("queryNSProgress  end ")
 189     }
 190
 191     /**
 192      * delay 5 sec
 193      */
 194     public void timeDelay(DelegateExecution execution) {
 195         try {
 196             Thread.sleep(5000);
 197         } catch(InterruptedException e) {
 198             msoLogger.info("Time Delay exception" + e)
 199         }
 200     }
 201
 202     /**
 203      * finish NS task
 204      */
 205     public void finishNSDelete(DelegateExecution execution) {
 206         //no need to do anything util now
 207     }
 208
 209     /**
 210      * post request
 211      * url: the url of the request
 212      * requestBody: the body of the request
 213      */
 214     private Response postRequest(DelegateExecution execution, String urlString, String requestBody){
 215
 216                 msoLogger.trace("Started Execute VFC adapter Post Process ")
 217                 msoLogger.info("url:"+urlString +"\nrequestBody:"+ requestBody)
 218                 Response apiResponse = null
 219                 try{
 220                         URL url = new URL(urlString);
 221
 222                         HttpClient httpClient = new HttpClient(url, "application/json", TargetEntity.VNF_ADAPTER)
 223                         httpClient.addAdditionalHeader("Accept", "application/json")
 224                         httpClient.addAdditionalHeader("Authorization", "Basic YnBlbDpwYXNzd29yZDEk")
 225
 226                         apiResponse = httpClient.post(requestBody)
 227
 228                         msoLogger.debug("response code:"+ apiResponse.getStatus() +"\nresponse body:"+ apiResponse.readEntity(String.class))
 229
 230                         msoLogger.trace("Completed Execute VF-C adapter Post Process ")
 231                 }catch(Exception e){
 232             msoLogger.error(MessageEnum.BPMN_GENERAL_EXCEPTION_ARG, "Exception occured while executing VF-C Post Call. Exception is: \n" + e, "BPMN", MsoLogger.getServiceName(), MsoLogger.ErrorCode.UnknownError, "Exception is:\n" + e);
 233             throw new BpmnError("MSOWorkflowException")
 234         }
 235         return apiResponse
 236     }
 237     /**
 238      * delete request
 239      * url: the url of the request
 240      * requestBody: the body of the request
 241      */
 242     private Response deleteRequest(DelegateExecution execution, String url, String requestBody){
 243
 244         msoLogger.trace("Started Execute VFC adapter Delete Process ")
 245         msoLogger.info("url:"+url +"\nrequestBody:"+ requestBody)
 246                 Response r
 247         try{
 248
 249                         URL Url = new URL(url)
 250                         HttpClient httpClient = new HttpClient(Url, "application/json", TargetEntity.VNF_ADAPTER)
 251                         httpClient.addAdditionalHeader("Accept", "application/json")
 252                         httpClient.addAdditionalHeader("Authorization", "Basic YnBlbDpwYXNzd29yZDEk")
 253                         r = httpClient.delete(requestBody)
 254
 255             msoLogger.trace("Completed Execute VF-C adapter Delete Process ")
 256         }catch(Exception e){
 257             msoLogger.error(MessageEnum.BPMN_GENERAL_EXCEPTION_ARG, "Exception occured while executing VF-C Post Call. Exception is: \n" + e, "BPMN", MsoLogger.getServiceName(), MsoLogger.ErrorCode.UnknownError, "Exception is:\n" + e);
 258             throw new BpmnError("MSOWorkflowException")
 259         }
 260         return r
 261     }
 262 }