bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/level/impl/ServiceLevelPreparation.java

   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 java.util.Arrays;
  24 import java.util.Collections;
  25 import java.util.List;
  26 import java.util.Map;
  27 import org.camunda.bpm.engine.delegate.DelegateExecution;
  28 import org.camunda.bpm.engine.delegate.JavaDelegate;
  29 import org.onap.so.bpmn.infrastructure.service.level.ServiceLevelPreparable;
  30 import org.springframework.stereotype.Component;
  31
  32
  33 /**
  34  * Fetches health check workflow based on the controller_scope. Invoke the corresponding health check workflow after
  35  * validation.
  36  */
  37 @Component("ServiceLevelPreparation")
  38 public class ServiceLevelPreparation extends ServiceLevelPreparable implements JavaDelegate {
  39
  40     private static final List<String> PNF_HEALTH_CHECK_PARAMS = Arrays.asList(ServiceLevelConstants.SERVICE_INSTANCE_ID,
  41             ServiceLevelConstants.RESOURCE_TYPE, ServiceLevelConstants.BPMN_REQUEST, ServiceLevelConstants.PNF_NAME);
  42
  43     // TODO Update the list with vnf health check parameters if any validation needed
  44     private static final List<String> VNF_HEALTH_CHECK_PARAMS = Collections.emptyList();
  45
  46     private static final Map<String, List<String>> HEALTH_CHECK_PARAMS_MAP = Map.of(ServiceLevelConstants.PNF,
  47             PNF_HEALTH_CHECK_PARAMS, ServiceLevelConstants.VNF, VNF_HEALTH_CHECK_PARAMS);
  48
  49     @Override
  50     public void execute(DelegateExecution execution) throws Exception {
  51         if (execution.hasVariable(ServiceLevelConstants.RESOURCE_TYPE)
  52                 && execution.getVariable(ServiceLevelConstants.RESOURCE_TYPE) != null) {
  53             final String controllerScope = (String) execution.getVariable(ServiceLevelConstants.RESOURCE_TYPE);
  54             LOG.debug("Scope retrieved from delegate execution: " + controllerScope);
  55             if (ServiceLevelConstants.VALID_CONTROLLER_SCOPE.contains(controllerScope)) {
  56                 final String wflName =
  57                         fetchWorkflowUsingScope(controllerScope, ServiceLevelConstants.HEALTH_CHECK_OPERATION);
  58                 LOG.debug("Health check workflow fetched for the scope: {} is: {}", controllerScope, wflName);
  59                 validateParamsWithScope(execution, controllerScope, HEALTH_CHECK_PARAMS_MAP.get(controllerScope));
  60                 LOG.info("Parameters validated successfully for {}", wflName);
  61                 execution.setVariable(ServiceLevelConstants.HEALTH_CHECK_WORKFLOW_TO_INVOKE, wflName);
  62                 execution.setVariable(ServiceLevelConstants.CONTROLLER_STATUS, ServiceLevelConstants.EMPTY_STRING);
  63             } else {
  64                 exceptionBuilder.buildAndThrowWorkflowException(execution, ServiceLevelConstants.ERROR_CODE,
  65                         "Invalid Controller scope to prepare resource level health check");
  66             }
  67         } else {
  68             exceptionBuilder.buildAndThrowWorkflowException(execution, ServiceLevelConstants.ERROR_CODE,
  69                     "Resource type not found in the execution to invoke resource level health check");
  70         }
  71     }
  72
  73 }