bpmn/MSOCommonBPMN/src/main/java/org/onap/so/bpmn/servicedecomposition/tasks/ExecuteBuildingBlockRainyDay.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Modifications Copyright (c) 2019 Samsung
   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  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.so.bpmn.servicedecomposition.tasks;
  24
  25 import java.util.Map;
  26 import org.camunda.bpm.engine.delegate.BpmnError;
  27 import org.camunda.bpm.engine.delegate.DelegateExecution;
  28 import org.onap.so.bpmn.core.WorkflowException;
  29 import org.onap.so.bpmn.servicedecomposition.bbobjects.GenericVnf;
  30 import org.onap.so.bpmn.servicedecomposition.entities.ExecuteBuildingBlock;
  31 import org.onap.so.bpmn.servicedecomposition.entities.GeneralBuildingBlock;
  32 import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
  33 import org.onap.so.constants.Status;
  34 import org.onap.so.db.catalog.beans.macro.RainyDayHandlerStatus;
  35 import org.onap.so.db.catalog.client.CatalogDbClient;
  36 import org.onap.so.db.request.beans.InfraActiveRequests;
  37 import org.onap.so.db.request.client.RequestsDbClient;
  38 import org.onap.so.utils.TargetEntities;
  39 import org.onap.so.utils.TargetEntity;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42 import org.springframework.beans.factory.annotation.Autowired;
  43 import org.springframework.core.env.Environment;
  44 import org.springframework.stereotype.Component;
  45
  46 @Component
  47 public class ExecuteBuildingBlockRainyDay {
  48
  49     private static final Logger logger = LoggerFactory.getLogger(ExecuteBuildingBlockRainyDay.class);
  50     public static final String HANDLING_CODE = "handlingCode";
  51     public static final String ROLLBACK_TARGET_STATE = "rollbackTargetState";
  52
  53     @Autowired
  54     private CatalogDbClient catalogDbClient;
  55     @Autowired
  56     private RequestsDbClient requestDbclient;
  57     private static final String ASTERISK = "*";
  58
  59     @Autowired
  60     private Environment environment;
  61     protected String retryDurationPath = "mso.rainyDay.retryDurationMultiplier";
  62     protected String defaultCode = "mso.rainyDay.defaultCode";
  63     protected String maxRetries = "mso.rainyDay.maxRetries";
  64
  65     public void setRetryTimer(DelegateExecution execution) {
  66         try {
  67             int retryDurationMult = Integer.parseInt(this.environment.getProperty(retryDurationPath));
  68             int retryCount = (int) execution.getVariable("retryCount");
  69             int retryTimeToWait = (int) Math.pow(retryDurationMult, retryCount) * 10;
  70             String RetryDuration = "PT" + retryTimeToWait + "S";
  71             execution.setVariable("RetryDuration", RetryDuration);
  72         } catch (Exception e) {
  73             logger.error("Exception occurred", e);
  74             throw new BpmnError("Unknown error incrementing retry counter");
  75         }
  76     }
  77
  78     public void queryRainyDayTable(DelegateExecution execution, boolean primaryPolicy) {
  79         try {
  80             ExecuteBuildingBlock ebb = (ExecuteBuildingBlock) execution.getVariable("buildingBlock");
  81             String bbName = ebb.getBuildingBlock().getBpmnFlowName();
  82             GeneralBuildingBlock gBBInput = (GeneralBuildingBlock) execution.getVariable("gBBInput");
  83             String requestId = (String) execution.getVariable("mso-request-id");
  84             Map<ResourceKey, String> lookupKeyMap = (Map<ResourceKey, String>) execution.getVariable("lookupKeyMap");
  85             String serviceType = ASTERISK;
  86             boolean aLaCarte = (boolean) execution.getVariable("aLaCarte");
  87             boolean suppressRollback = (boolean) execution.getVariable("suppressRollback");
  88             WorkflowException workflowException = (WorkflowException) execution.getVariable("WorkflowException");
  89             if (workflowException != null) {
  90                 execution.setVariable("WorkflowExceptionErrorMessage", workflowException.getErrorMessage());
  91             } else {
  92                 logger.debug("WorkflowException is null, unable to set WorkflowExceptionErrorMessage");
  93             }
  94             String handlingCode = "";
  95
  96             if (suppressRollback) {
  97                 handlingCode = "Abort";
  98             } else {
  99                 try {
 100                     serviceType = gBBInput.getCustomer().getServiceSubscription().getServiceInstances().get(0)
 101                             .getModelInfoServiceInstance().getServiceType();
 102                     if (serviceType == null || serviceType.isEmpty()) {
 103                         serviceType = ASTERISK;
 104                     }
 105                 } catch (Exception ex) {
 106                     // keep default serviceType value
 107                 }
 108                 String vnfType = ASTERISK;
 109                 try {
 110                     for (GenericVnf vnf : gBBInput.getCustomer().getServiceSubscription().getServiceInstances().get(0)
 111                             .getVnfs()) {
 112                         if (vnf.getVnfId().equalsIgnoreCase(lookupKeyMap.get(ResourceKey.GENERIC_VNF_ID))) {
 113                             vnfType = vnf.getVnfType();
 114                         }
 115                     }
 116                 } catch (Exception ex) {
 117                     // keep default vnfType value
 118                 }
 119
 120                 String errorCode = ASTERISK;
 121                 try {
 122                     errorCode = "" + workflowException.getErrorCode();
 123                 } catch (Exception ex) {
 124                     // keep default errorCode value
 125                 }
 126
 127                 try {
 128                     errorCode = "" + (String) execution.getVariable("WorkflowExceptionCode");
 129                 } catch (Exception ex) {
 130                     // keep default errorCode value
 131                 }
 132
 133                 String workStep = ASTERISK;
 134                 try {
 135                     workStep = workflowException.getWorkStep();
 136                 } catch (Exception ex) {
 137                     // keep default workStep value
 138                 }
 139
 140                 String errorMessage = ASTERISK;
 141                 try {
 142                     errorMessage = workflowException.getErrorMessage();
 143                 } catch (Exception ex) {
 144                     // keep default workStep value
 145                 }
 146
 147                 RainyDayHandlerStatus rainyDayHandlerStatus;
 148                 rainyDayHandlerStatus = catalogDbClient.getRainyDayHandlerStatus(bbName, serviceType, vnfType,
 149                         errorCode, workStep, errorMessage);
 150
 151                 if (rainyDayHandlerStatus == null) {
 152                     handlingCode = "Abort";
 153                 } else {
 154                     if (primaryPolicy) {
 155                         handlingCode = rainyDayHandlerStatus.getPolicy();
 156                     } else {
 157                         handlingCode = rainyDayHandlerStatus.getSecondaryPolicy();
 158                     }
 159                 }
 160                 if (!primaryPolicy) {
 161                     try {
 162                         InfraActiveRequests request = requestDbclient.getInfraActiveRequestbyRequestId(requestId);
 163                         request.setRetryStatusMessage("Retries have been exhausted.");
 164                         requestDbclient.updateInfraActiveRequests(request);
 165                     } catch (Exception ex) {
 166                         logger.error("Failed to update Request Db Infra Active Requests with Retry Status", ex);
 167                     }
 168                 }
 169                 if (handlingCode.equals("RollbackToAssigned") && !aLaCarte) {
 170                     handlingCode = "Rollback";
 171                 }
 172                 if (handlingCode.startsWith("Rollback")) {
 173                     String targetState = "";
 174                     if (handlingCode.equalsIgnoreCase("RollbackToAssigned")) {
 175                         targetState = Status.ROLLED_BACK_TO_ASSIGNED.toString();
 176                     } else if (handlingCode.equalsIgnoreCase("RollbackToCreated")) {
 177                         targetState = Status.ROLLED_BACK_TO_CREATED.toString();
 178                     } else {
 179                         targetState = Status.ROLLED_BACK.toString();
 180                     }
 181                     execution.setVariable(ROLLBACK_TARGET_STATE, targetState);
 182                     logger.debug("Rollback target state is: {}", targetState);
 183                 }
 184             }
 185             logger.debug("RainyDayHandler Status Code is: {}", handlingCode);
 186             execution.setVariable(HANDLING_CODE, handlingCode);
 187         } catch (Exception e) {
 188             String code = this.environment.getProperty(defaultCode);
 189             logger.error("Failed to determine RainyDayHandler Status. Seting handlingCode = {}", code, e);
 190             execution.setVariable(HANDLING_CODE, code);
 191         }
 192         try {
 193             int envMaxRetries = Integer.parseInt(this.environment.getProperty(maxRetries));
 194             execution.setVariable("maxRetries", envMaxRetries);
 195         } catch (Exception ex) {
 196             logger.error("Could not read maxRetries from config file. Setting max to 5 retries");
 197             execution.setVariable("maxRetries", 5);
 198         }
 199     }
 200
 201     public void setHandlingStatusSuccess(DelegateExecution execution) {
 202         execution.setVariable(HANDLING_CODE, "Success");
 203     }
 204
 205     public void updateExtSystemErrorSource(DelegateExecution execution) {
 206         try {
 207             String requestId = (String) execution.getVariable("mso-request-id");
 208             WorkflowException exception = (WorkflowException) execution.getVariable("WorkflowException");
 209             TargetEntities extSystemErrorSource = exception.getExtSystemErrorSource();
 210             InfraActiveRequests request = requestDbclient.getInfraActiveRequestbyRequestId(requestId);
 211             Boolean isRollbackFailure = (Boolean) execution.getVariable("isRollback");
 212             if (isRollbackFailure == null) {
 213                 isRollbackFailure = false;
 214             }
 215
 216             if (extSystemErrorSource != null) {
 217                 String extSystemErrorSourceString = extSystemErrorSource.toString();
 218                 if (isRollbackFailure) {
 219                     logger.debug("Updating extSystemErrorSource for isRollbackFailure to {} for request: {}",
 220                             extSystemErrorSourceString, requestId);
 221                     request.setRollbackExtSystemErrorSource(extSystemErrorSourceString);
 222                 } else {
 223                     logger.debug("Updating extSystemErrorSource to {} for request: {}", extSystemErrorSourceString,
 224                             requestId);
 225                     request.setExtSystemErrorSource(extSystemErrorSourceString);
 226                 }
 227             } else if (isRollbackFailure) {
 228                 logger.debug(
 229                         "rollbackExtSystemErrorSource is null for isRollbackFailure. Setting rollbackExtSystemErrorSource to UNKNOWN");
 230                 request.setRollbackExtSystemErrorSource(TargetEntity.UNKNOWN.toString());
 231             } else {
 232                 logger.debug("extSystemErrorSource is null. Setting extSystemErrorSource to UNKNOWN");
 233                 request.setExtSystemErrorSource(TargetEntity.UNKNOWN.toString());
 234             }
 235
 236             request.setLastModifiedBy("CamundaBPMN");
 237             requestDbclient.updateInfraActiveRequests(request);
 238         } catch (Exception e) {
 239             logger.error("Failed to update Request db with extSystemErrorSource or rollbackExtSystemErrorSource: "
 240                     + e.getMessage());
 241         }
 242     }
 243
 244 }