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