bpmn/MSOInfrastructureBPMN/src/main/groovy/org/openecomp/mso/bpmn/infrastructure/scripts/DoDeleteVnf.groovy

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * OPENECOMP - MSO
   4  * ================================================================================
   5  * Copyright (C) 2017 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 package org.openecomp.mso.bpmn.infrastructure.scripts
  21
  22
  23 import javax.xml.parsers.DocumentBuilder
  24 import javax.xml.parsers.DocumentBuilderFactory
  25
  26 import org.apache.commons.lang3.*
  27 import org.camunda.bpm.engine.delegate.BpmnError
  28 import org.camunda.bpm.engine.runtime.Execution
  29 import org.openecomp.mso.bpmn.common.scripts.AbstractServiceTaskProcessor
  30 import org.openecomp.mso.bpmn.common.scripts.ExceptionUtil
  31 import org.openecomp.mso.bpmn.common.scripts.VidUtils
  32 import org.openecomp.mso.bpmn.core.json.JsonUtils
  33 import org.w3c.dom.Document
  34 import org.w3c.dom.Element
  35 import org.w3c.dom.Node
  36 import org.w3c.dom.NodeList
  37 import org.xml.sax.InputSource
  38
  39
  40 /**
  41  * This class supports the DoDeleteVnf subFlow
  42  * with the Deletion of a generic vnf for
  43  * infrastructure.
  44  *
  45  */
  46 class DoDeleteVnf extends AbstractServiceTaskProcessor {
  47
  48         String Prefix="DoDVNF_"
  49         ExceptionUtil exceptionUtil = new ExceptionUtil()
  50         JsonUtils jsonUtil = new JsonUtils()
  51         VidUtils vidUtils = new VidUtils(this)
  52
  53         /**
  54          * This method gets and validates the incoming
  55          * request.
  56          *
  57          * @param - execution
  58          *
  59          */
  60         public void preProcessRequest(Execution execution) {
  61                 def isDebugEnabled = execution.getVariable("isDebugLogEnabled")
  62                 execution.setVariable("prefix",Prefix)
  63                 utils.log("DEBUG", " *** STARTED DoDeleteVnf PreProcessRequest Process*** ", isDebugEnabled)
  64
  65                 execution.setVariable("DoDVNF_SuccessIndicator", false)
  66                 execution.setVariable("DoDVNF_vnfInUse", false)
  67
  68                 try{
  69                         // Get Variables
  70
  71                         String vnfId = execution.getVariable("vnfId")
  72                         execution.setVariable("DoDVNF_vnfId", vnfId)
  73                         utils.log("DEBUG", "Incoming Vnf(Instance) Id is: " + vnfId, isDebugEnabled)
  74
  75                         // Setting for sub flow calls
  76                         execution.setVariable("DoDVNF_type", "generic-vnf")
  77                 }catch(BpmnError b){
  78                         utils.log("DEBUG", "Rethrowing MSOWorkflowException", isDebugEnabled)
  79                         throw b
  80                 }catch(Exception e){
  81                         utils.log("DEBUG", " Error Occured in DoDeleteVnf PreProcessRequest method!" + e, isDebugEnabled)
  82                         exceptionUtil.buildAndThrowWorkflowException(execution, 2500, "Internal Error - Occured in DoDeleteVnf PreProcessRequest")
  83
  84                 }
  85                 utils.log("DEBUG", "*** COMPLETED DoDeleteVnf PreProcessRequest Process ***", isDebugEnabled)
  86         }
  87
  88
  89         public void processGetVnfResponse(Execution execution){
  90                 def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
  91                 execution.setVariable("prefix",Prefix)
  92                 utils.log("DEBUG", " *** STARTED DoDeleteVnf processGetVnfResponse Process *** ", isDebugEnabled)
  93                 try {
  94                         String vnf = execution.getVariable("DoDVNF_genericVnf")
  95                         String resourceVersion = utils.getNodeText1(vnf, "resource-version")
  96                         execution.setVariable("DoDVNF_resourceVersion", resourceVersion)
  97
  98                         if(utils.nodeExists(vnf, "relationship")){
  99                                 InputSource source = new InputSource(new StringReader(vnf));
 100                                 DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
 101                                 DocumentBuilder docBuilder = docFactory.newDocumentBuilder()
 102                                 Document vnfXml = docBuilder.parse(source)
 103
 104                                 NodeList nodeList = vnfXml.getElementsByTagName("relationship")
 105                                 for (int x = 0; x < nodeList.getLength(); x++) {
 106                                         Node node = nodeList.item(x)
 107                                         if (node.getNodeType() == Node.ELEMENT_NODE) {
 108                                                 Element eElement = (Element) node
 109                                                 def e = eElement.getElementsByTagName("related-to").item(0).getTextContent()
 110                                                 if(e.equals("volume-group") || e.equals("l3-network")){
 111                                                         utils.log("DEBUG", "Generic Vnf still has relationship to OpenStack.", isDebugEnabled)
 112                                                         execution.setVariable("DoDVNF_vnfInUse", true)
 113                                                 }else{
 114                                                         utils.log("DEBUG", "Relationship NOT related to OpenStack", isDebugEnabled)
 115                                                 }
 116                                         }
 117                                 }
 118                         }
 119
 120                         if(utils.nodeExists(vnf, "vf-module")){
 121                                 execution.setVariable("DoDVNF_vnfInUse", true)
 122                                 utils.log("DEBUG", "Generic Vnf still has vf-modules.", isDebugEnabled)
 123                         }
 124
 125
 126                 } catch (Exception ex) {
 127                         utils.log("DEBUG", "Error Occured in DoDeleteVnf processGetVnfResponse Process " + ex.getMessage(), isDebugEnabled)
 128                         exceptionUtil.buildAndThrowWorkflowException(execution, 2500, "Internal Error - Occured in DoDeleteVnf processGetVnfResponse Process")
 129
 130                 }
 131                 utils.log("DEBUG", "*** COMPLETED DoDeleteVnf processGetVnfResponse Process ***", isDebugEnabled)
 132         }
 133
 134
 135
 136 }