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 com.fasterxml.jackson.databind.ObjectMapper;
  24 import org.camunda.bpm.engine.delegate.DelegateExecution;
  25 import org.camunda.bpm.engine.delegate.JavaDelegate;
  26 import org.onap.aai.domain.yang.Relationship;
  27 import org.onap.aai.domain.yang.ServiceInstance;
  28 import org.onap.aaiclient.client.aai.AAIRestClientI;
  29 import org.onap.aaiclient.client.aai.AAIRestClientImpl;
  30 import org.onap.so.bpmn.core.json.JsonUtils;
  31 import org.onap.so.client.exception.ExceptionBuilder;
  32 import org.onap.so.serviceinstancebeans.RequestDetails;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35 import org.springframework.beans.factory.annotation.Autowired;
  36 import org.springframework.stereotype.Component;
  37 import java.io.IOException;
  38 import java.util.ArrayList;
  39 import java.util.List;
  40 import java.util.Optional;
  41 import java.util.stream.Collector;
  42 import java.util.stream.Collectors;
  43 import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.*;
  44
  45 /**
  46  * This implementation of {@link JavaDelegate} is used to populate the execution object for Service level upgrade
  47  */
  48 @Component
  49 public class ServiceLevelRequestDispatcher implements JavaDelegate {
  50
  51     private final Logger logger = LoggerFactory.getLogger(getClass());
  52
  53     @Autowired
  54     private ExceptionBuilder exceptionUtil;
  55
  56     @Autowired
  57     private ObjectMapper mapper;
  58
  59     @Override
  60     public void execute(DelegateExecution delegateExecution) throws Exception {
  61         logger.debug("Running execute block for activity id: {}, name: {}", delegateExecution.getCurrentActivityId(),
  62                 delegateExecution.getCurrentActivityName());
  63
  64         RequestDetails bpmnRequestDetails = requestVerification(delegateExecution);
  65
  66         final String serviceInstanceId = String.valueOf(delegateExecution.getVariable(SERVICE_INSTANCE_ID));
  67         final String serviceType = bpmnRequestDetails.getRequestParameters().getSubscriptionServiceType();
  68         final String globalSubscriberId = bpmnRequestDetails.getSubscriberInfo().getGlobalSubscriberId();
  69
  70         final String modelInvariantId = bpmnRequestDetails.getModelInfo().getModelInvariantId();
  71         final String modelId = bpmnRequestDetails.getModelInfo().getModelUuid();
  72         final String modelVersion = bpmnRequestDetails.getModelInfo().getModelVersion();
  73
  74         if (ServiceLevelConstants.PNF.equalsIgnoreCase(serviceType)) {
  75             getAndSetPnfNameFromServiceInstance(serviceInstanceId, serviceType, globalSubscriberId, delegateExecution);
  76         }
  77
  78         // TODO : handling for vnf
  79
  80         logger.trace("Completed dispatcher request for ServiceLevelUpgrade.");
  81     }
  82
  83     private void getAndSetPnfNameFromServiceInstance(final String serviceInstanceId, final String serviceType,
  84             final String globalSubscriberId, DelegateExecution delegateExecution) {
  85
  86         AAIRestClientI restClient = new AAIRestClientImpl();
  87
  88         Optional<ServiceInstance> optionalSi =
  89                 restClient.getServiceInstanceById(serviceInstanceId, serviceType, globalSubscriberId);
  90
  91         optionalSi.ifPresentOrElse(serviceInstance -> {
  92             final List<String> pnfNameList = serviceInstance.getRelationshipList().getRelationship().stream()
  93                     .filter(x -> x.getRelatedTo().contains("pnf")).flatMap(x -> x.getRelationshipData().stream())
  94                     .filter(data -> data.getRelationshipKey().contains("pnf.pnf-name"))
  95                     .map(x -> x.getRelationshipValue()).collect(Collectors.toList());
  96             if (pnfNameList == null || pnfNameList.size() == 0) {
  97                 logger.warn(
  98                         "Unable to find the PNF for service instance id: " + serviceInstance.getServiceInstanceId());
  99                 return;
 100             }
 101             delegateExecution.setVariable(ServiceLevelConstants.PNF_NAME_LIST, pnfNameList);
 102             delegateExecution.setVariable(ServiceLevelConstants.PNF_SIZE, pnfNameList.size());
 103             delegateExecution.setVariable(ServiceLevelConstants.RESOURCE_TYPE, ServiceLevelConstants.PNF);
 104         }, () -> {
 105             throwExceptionWithWarn(delegateExecution, "Unable to find the service instance: " + serviceInstanceId);
 106         });
 107     }
 108
 109     private RequestDetails requestVerification(DelegateExecution delegateExecution) throws IOException {
 110         RequestDetails bpmnRequestDetails = mapper.readValue(JsonUtils.getJsonValue(
 111                 String.valueOf(delegateExecution.getVariable(ServiceLevelConstants.BPMN_REQUEST)), "requestDetails"),
 112                 RequestDetails.class);
 113
 114         throwIfNull(delegateExecution, bpmnRequestDetails.getModelInfo(), SERVICE_MODEL_INFO);
 115         throwIfNull(delegateExecution, bpmnRequestDetails.getRequestInfo(), "RequestInfo");
 116         throwIfNull(delegateExecution, bpmnRequestDetails.getRequestParameters(), "RequestParameters");
 117         throwIfNull(delegateExecution, bpmnRequestDetails.getRequestParameters().getUserParams(), "UserParams");
 118
 119         return bpmnRequestDetails;
 120     }
 121
 122     private void throwIfNull(DelegateExecution delegateExecution, Object obj, String param) {
 123         if (obj == null) {
 124             throwExceptionWithWarn(delegateExecution,
 125                     "Unable to find the parameter: " + param + " in the execution context");
 126         }
 127     }
 128
 129     private void throwExceptionWithWarn(DelegateExecution delegateExecution, String exceptionMsg) {
 130         logger.warn(exceptionMsg);
 131         exceptionUtil.buildAndThrowWorkflowException(delegateExecution, ServiceLevelConstants.ERROR_CODE, exceptionMsg);
 132     }
 133 }