bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnf/tasks/VnfAdapterImpl.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.bpmn.infrastructure.adapter.vnf.tasks;
  22
  23 import org.apache.commons.lang3.StringUtils;
  24 import org.onap.so.adapters.vnfrest.CreateVfModuleResponse;
  25 import org.onap.so.adapters.vnfrest.CreateVolumeGroupResponse;
  26 import org.onap.so.adapters.vnfrest.DeleteVfModuleResponse;
  27 import org.onap.so.adapters.vnfrest.DeleteVolumeGroupResponse;
  28 import org.onap.so.bpmn.common.BuildingBlockExecution;
  29 import org.onap.so.bpmn.servicedecomposition.bbobjects.ServiceInstance;
  30 import org.onap.so.bpmn.servicedecomposition.bbobjects.VfModule;
  31 import org.onap.so.bpmn.servicedecomposition.bbobjects.VolumeGroup;
  32 import org.onap.so.bpmn.servicedecomposition.entities.GeneralBuildingBlock;
  33 import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
  34 import org.onap.so.bpmn.servicedecomposition.tasks.ExtractPojosForBB;
  35 import org.onap.so.client.exception.ExceptionBuilder;
  36 import org.onap.so.exceptions.MarshallerException;
  37 import org.onap.so.logger.MessageEnum;
  38 import org.onap.so.logger.MsoLogger;
  39 import org.springframework.beans.factory.annotation.Autowired;
  40 import org.springframework.stereotype.Component;
  41 import org.xml.sax.InputSource;
  42 import org.xml.sax.XMLReader;
  43
  44 import javax.xml.XMLConstants;
  45 import javax.xml.bind.JAXBContext;
  46 import javax.xml.bind.Unmarshaller;
  47 import javax.xml.parsers.SAXParserFactory;
  48 import javax.xml.transform.sax.SAXSource;
  49 import java.io.StringReader;
  50
  51 @Component
  52 public class VnfAdapterImpl {
  53         private static final MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL, VnfAdapterCreateTasks.class);
  54
  55         @Autowired
  56         private ExtractPojosForBB extractPojosForBB;
  57
  58         @Autowired
  59         private ExceptionBuilder exceptionUtil;
  60
  61         public void preProcessVnfAdapter(BuildingBlockExecution execution) {
  62                 try {
  63                         GeneralBuildingBlock gBBInput = execution.getGeneralBuildingBlock();
  64                         ServiceInstance serviceInstance = extractPojosForBB.extractByKey(execution, ResourceKey.SERVICE_INSTANCE_ID, execution.getLookupMap().get(ResourceKey.SERVICE_INSTANCE_ID));
  65                         execution.setVariable("mso-request-id", gBBInput.getRequestContext().getMsoRequestId());
  66                         execution.setVariable("mso-service-instance-id", serviceInstance.getServiceInstanceId());
  67                         execution.setVariable("heatStackId", null);
  68                 } catch (Exception ex) {
  69                         exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
  70                 }
  71         }
  72
  73         public void postProcessVnfAdapter(BuildingBlockExecution execution) {
  74                 try {
  75             String vnfAdapterResponse = execution.getVariable("vnfAdapterRestV1Response");
  76             if (!StringUtils.isEmpty( vnfAdapterResponse)) {
  77                 Object vnfRestResponse = unMarshal(vnfAdapterResponse);
  78                 if(vnfRestResponse instanceof CreateVfModuleResponse) {
  79                     VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID, execution.getLookupMap().get(ResourceKey.VF_MODULE_ID));
  80                     String heatStackId = ((CreateVfModuleResponse) vnfRestResponse).getVfModuleStackId();
  81                     if(!StringUtils.isEmpty(heatStackId)) {
  82                         vfModule.setHeatStackId(heatStackId);
  83                         execution.setVariable("heatStackId", heatStackId);
  84                     }
  85                 } else if(vnfRestResponse instanceof DeleteVfModuleResponse) {
  86                     VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID, execution.getLookupMap().get(ResourceKey.VF_MODULE_ID));
  87                     Boolean vfModuleDelete = ((DeleteVfModuleResponse) vnfRestResponse).getVfModuleDeleted();
  88                     if(null!= vfModuleDelete && vfModuleDelete) {
  89                         vfModule.setHeatStackId(null);
  90                         execution.setVariable("heatStackId", null);
  91                     }
  92                 } else if(vnfRestResponse instanceof CreateVolumeGroupResponse) {
  93                     VolumeGroup volumeGroup = extractPojosForBB.extractByKey(execution, ResourceKey.VOLUME_GROUP_ID, execution.getLookupMap().get(ResourceKey.VOLUME_GROUP_ID));
  94                     String heatStackId = ((CreateVolumeGroupResponse) vnfRestResponse).getVolumeGroupStackId();
  95                     if(!StringUtils.isEmpty(heatStackId)) {
  96                         volumeGroup.setHeatStackId(heatStackId);
  97                         execution.setVariable("heatStackId", heatStackId);
  98                     }else{
  99                         exceptionUtil.buildAndThrowWorkflowException(execution, 7000, "HeatStackId is missing from create VolumeGroup Vnf Adapter response.");
 100                     }
 101                 } else if(vnfRestResponse instanceof DeleteVolumeGroupResponse) {
 102                         VolumeGroup volumeGroup = extractPojosForBB.extractByKey(execution, ResourceKey.VOLUME_GROUP_ID, execution.getLookupMap().get(ResourceKey.VOLUME_GROUP_ID));
 103                         Boolean volumeGroupDelete = ((DeleteVolumeGroupResponse) vnfRestResponse).getVolumeGroupDeleted();
 104                         if(null!= volumeGroupDelete && volumeGroupDelete) {
 105                                 volumeGroup.setHeatStackId(null);
 106                                 execution.setVariable("heatStackId", null);
 107                         }
 108                 }
 109             }
 110                 } catch (Exception ex) {
 111                         exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
 112                 }
 113         }
 114
 115     private Object unMarshal(String input) throws MarshallerException {
 116         try {
 117             SAXParserFactory spf = SAXParserFactory.newInstance();
 118             spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
 119             spf.setFeature("http://xml.org/sax/features/external-general-entities", false);
 120             spf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
 121             spf.setNamespaceAware(true);
 122             XMLReader xmlReader = spf.newSAXParser().getXMLReader();
 123
 124             JAXBContext jaxbContext = JAXBContext.newInstance(CreateVfModuleResponse.class,
 125                     CreateVolumeGroupResponse.class,DeleteVfModuleResponse.class,DeleteVolumeGroupResponse.class);
 126             Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
 127
 128             InputSource inputSource = new InputSource(new StringReader(input));
 129             SAXSource source = new SAXSource(xmlReader, inputSource);
 130             return jaxbUnmarshaller.unmarshal(source);
 131         } catch (Exception e) {
 132             msoLogger.error(MessageEnum.GENERAL_EXCEPTION, "", "", "", MsoLogger.ErrorCode.SchemaError, e.getMessage(), e);
 133             throw new MarshallerException("Error parsing VNF Adapter response. " + e.getMessage(), MsoLogger.ErrorCode.SchemaError.getValue(), e);
 134         }
 135     }
 136 }