gerrit.onap Code Review - so.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2020 Nordix Foundation.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.bpmn.infrastructure.service.level.impl;
  22
  23 import org.camunda.bpm.engine.delegate.DelegateExecution;
  24 import org.camunda.bpm.engine.delegate.JavaDelegate;
  25 import org.onap.so.bpmn.infrastructure.service.level.AbstractServiceLevelPreparable;
  26 import org.springframework.stereotype.Component;
  27 import java.util.Arrays;
  28 import java.util.List;
  29
  30 /**
  31  * Fetches health check workflow based on the controller_scope. Invoke the corresponding health check workflow after
  32  * validation.
  33  */
  34 @Component("ServiceLevelPreparation")
  35 public class ServiceLevelPreparation extends AbstractServiceLevelPreparable implements JavaDelegate {
  36
  37     private static final List<String> PNF_HC_PARAMS = Arrays.asList(ServiceLevelConstants.SERVICE_INSTANCE_ID,
  38             ServiceLevelConstants.RESOURCE_TYPE, ServiceLevelConstants.BPMN_REQUEST, ServiceLevelConstants.PNF_NAME);
  39
  40     @Override
  41     public void execute(DelegateExecution execution) throws Exception {
  42         if (execution.hasVariable(ServiceLevelConstants.RESOURCE_TYPE)
  43                 && execution.getVariable(ServiceLevelConstants.RESOURCE_TYPE) != null) {
  44             final String controllerScope = (String) execution.getVariable(ServiceLevelConstants.RESOURCE_TYPE);
  45             LOG.debug("Scope retrieved from delegate execution: " + controllerScope);
  46             final String wflName = fetchWorkflowUsingScope(execution, controllerScope);
  47             LOG.debug("Health check workflow fetched for the scope: {} is: {}", controllerScope, wflName);
  48
  49             if (ServiceLevelConstants.PNF.equalsIgnoreCase(controllerScope)) {
  50                 validateParamsWithScope(execution, controllerScope, PNF_HC_PARAMS);
  51                 LOG.info("Parameters validated successfully for {}", wflName);
  52             }
  53             execution.setVariable(ServiceLevelConstants.WORKFLOW_TO_INVOKE, wflName);
  54             execution.setVariable(ServiceLevelConstants.CONTROLLER_STATUS, ServiceLevelConstants.EMPTY_STRING);
  55         } else {
  56             exceptionBuilder.buildAndThrowWorkflowException(execution, ServiceLevelConstants.ERROR_CODE,
  57                     "Controller scope not found to invoke resource level health check");
  58         }
  59     }
  60
  61     @Override
  62     public String fetchWorkflowUsingScope(DelegateExecution execution, final String scope) {
  63         String wflName = null;
  64         switch (scope.toLowerCase()) {
  65             case ServiceLevelConstants.PNF:
  66                 wflName = ServiceLevelConstants.GENERIC_PNF_HEALTH_CHECK_WORKFLOW;
  67                 break;
  68             case ServiceLevelConstants.VNF:
  69                 wflName = ServiceLevelConstants.GENERIC_VNF_HEALTH_CHECK_WORKFLOW;
  70                 break;
  71             default:
  72                 exceptionBuilder.buildAndThrowWorkflowException(execution, ServiceLevelConstants.ERROR_CODE,
  73                         "No valid health check work flow retrieved for the scope: " + scope);
  74         }
  75         return wflName;
  76     }
  77
  78 }