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 /**
  32  * Fetches health check workflow based on the controller_scope. Invoke the corresponding health check workflow after
  33  * validation.
  34  */
  35 @Component("ServiceLevelPreparation")
  36 public class ServiceLevelPreparation extends AbstractServiceLevelPreparable implements JavaDelegate {
  37
  38     // Health check parameters to be validated for pnf resource
  39     private static final List<String> PNF_HC_PARAMS = Arrays.asList("SERVICE_MODEL_INFO", "SERVICE_INSTANCE_NAME",
  40             "PNF_CORRELATION_ID", "MODEL_UUID", "PNF_UUID", "PRC_BLUEPRINT_NAME", "PRC_BLUEPRINT_VERSION",
  41             "PRC_CUSTOMIZATION_UUID", "RESOURCE_CUSTOMIZATION_UUID_PARAM", "PRC_INSTANCE_NAME", "PRC_CONTROLLER_ACTOR",
  42             "REQUEST_PAYLOAD");
  43
  44     @Override
  45     public void execute(DelegateExecution execution) throws Exception {
  46         if (execution.hasVariable(RESOURCE_TYPE) && execution.getVariable(RESOURCE_TYPE) != null) {
  47             final String controllerScope = (String) execution.getVariable(RESOURCE_TYPE);
  48             LOG.debug("Scope retrieved from delegate execution: " + controllerScope);
  49             final String wflName = fetchWorkflowUsingScope(execution, controllerScope);
  50             LOG.debug("Health check workflow fetched for the scope: {}", wflName);
  51             validateParamsWithScope(execution, controllerScope, PNF_HC_PARAMS);
  52             LOG.info("Parameters validated successfully for {}", wflName);
  53             execution.setVariable(WORKFLOW_TO_INVOKE, wflName);
  54         } else {
  55             exceptionBuilder.buildAndThrowWorkflowException(execution, ERROR_CODE,
  56                     "Controller scope not found to invoke resource level health check");
  57         }
  58     }
  59
  60     @Override
  61     public String fetchWorkflowUsingScope(DelegateExecution execution, final String scope) {
  62         String wflName = null;
  63         switch (scope.toLowerCase()) {
  64             case "pnf":
  65                 wflName = GENERIC_PNF_HEALTH_CHECK_WORKFLOW;
  66                 break;
  67             case "vnf":
  68                 wflName = GENERIC_VNF_HEALTH_CHECK_WORKFLOW;
  69                 break;
  70             default:
  71                 exceptionBuilder.buildAndThrowWorkflowException(execution, ERROR_CODE,
  72                         "No valid health check work flow retrieved for the scope: " + scope);
  73         }
  74         return wflName;
  75     }
  76
  77 }