aai-core/src/main/java/org/onap/aai/extensions/OrphanLInterfaceHandler.java

   1 /**
   2  * ============LICENSE_START=======================================================
   3  * org.onap.aai
   4  * ================================================================================
   5  * Copyright © 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 package org.onap.aai.extensions;
  21
  22 import java.io.UnsupportedEncodingException;
  23 import java.net.URI;
  24 import java.net.URISyntaxException;
  25 import java.util.ArrayList;
  26 import java.util.List;
  27
  28 import org.apache.tinkerpop.gremlin.structure.Vertex;
  29 import org.onap.aai.exceptions.AAIException;
  30 import org.onap.aai.introspection.Introspector;
  31 import org.onap.aai.introspection.Loader;
  32 import org.onap.aai.introspection.exceptions.AAIUnknownObjectException;
  33 import org.onap.aai.parsers.query.QueryParser;
  34 import org.onap.aai.query.builder.QueryBuilder;
  35 import org.onap.aai.rest.db.DBRequest;
  36 import org.onap.aai.restcore.HttpMethod;
  37 import org.onap.aai.serialization.db.EdgeType;
  38
  39 public class OrphanLInterfaceHandler {
  40
  41         private QueryBuilder<Vertex> createLInterfaceQuery(AAIExtensionMap aaiReqMap, Introspector newvceObj) throws AAIException {
  42                 Introspector uplinkLInterfaceTraversalIntro = aaiReqMap.getLoader().introspectorFromName("l-interface");
  43
  44                 Introspector customerUplinkLInterfaceTraversalIntro = aaiReqMap.getLoader().introspectorFromName("l-interface");
  45
  46                 Introspector logLinkIntroForTraversal = aaiReqMap.getLoader().introspectorFromName("logical-link");
  47
  48                 QueryBuilder<Vertex> query = aaiReqMap.getTransactionalGraphEngine().getQueryBuilder()
  49                                                                                 .exactMatchQuery(newvceObj)
  50                                                                                 .createEdgeTraversal(EdgeType.TREE, newvceObj, uplinkLInterfaceTraversalIntro)
  51                                                                                 .getVerticesByProperty("interface-role", "UPLINK")
  52                                                                                 .createEdgeTraversal(EdgeType.COUSIN, uplinkLInterfaceTraversalIntro, logLinkIntroForTraversal)
  53                                                                                 .createEdgeTraversal(EdgeType.COUSIN, logLinkIntroForTraversal, customerUplinkLInterfaceTraversalIntro)
  54                                                                                 .getVerticesByProperty("interface-role", "CUSTOMER-UPLINK").dedup();
  55                 return query;
  56         }
  57
  58         private URI buildLInterfaceURI(Vertex linterface, AAIExtensionMap aaiReqMap) throws UnsupportedEncodingException, AAIException, URISyntaxException {
  59                 Loader loader = aaiReqMap.getLoader();
  60                 Introspector lint = loader.introspectorFromName("l-interface");
  61                 lint.setValue("interface-name", (String)linterface.property("interface-name").value());
  62                 String lintSegment = lint.getURI();
  63
  64                 Introspector lagInterfaceForTrav = loader.introspectorFromName("lag-interface");
  65                 QueryBuilder<Vertex> lagIntQuery = aaiReqMap.getTransactionalGraphEngine().getQueryBuilder()
  66                                                                                 .exactMatchQuery(lint)
  67                                                                                 .createEdgeTraversal(EdgeType.TREE, linterface, lagInterfaceForTrav).dedup();
  68                 List<Vertex> lagInterfaces = lagIntQuery.toList();
  69                 if (lagInterfaces.isEmpty()) {
  70                         throw new AAIException("AAI_6114");
  71                 } else if (lagInterfaces.size() > 1) {
  72                         throw new AAIException("AAI_6140");
  73                 }
  74                 Vertex lagInt = lagInterfaces.get(0);
  75                 lagInterfaceForTrav.setValue("interface-name", (String)lagInt.property("interface-name").value());
  76                 String lagSegment = lagInterfaceForTrav.getURI();
  77
  78                 Introspector gvVPEforTrav = loader.introspectorFromName("generic-vnf");
  79                 QueryBuilder<Vertex> gvVPEquery = aaiReqMap.getTransactionalGraphEngine().getQueryBuilder()
  80                                                                                 .exactMatchQuery(lagInterfaceForTrav)
  81                                                                                 .createEdgeTraversal(EdgeType.TREE, lagInterfaceForTrav, gvVPEforTrav).dedup();
  82                 List<Vertex> genvnfs = gvVPEquery.toList();
  83                 if (genvnfs.isEmpty()) {
  84                         throw new AAIException("AAI_6114");
  85                 } else if (genvnfs.size() > 1) {
  86                         throw new AAIException("AAI_6140");
  87                 }
  88                 Vertex genvnf = genvnfs.get(0);
  89                 gvVPEforTrav.setValue("vnf-id", (String)genvnf.property("vnf-id").value());
  90                 String gvSegment = gvVPEforTrav.getURI();
  91
  92                 return new URI(gvSegment + lagSegment + lintSegment);
  93         }
  94
  95         public List<DBRequest> createOrphanLInterfaceDelRequests(AAIExtensionMap aaiReqMap, Introspector newvce) throws AAIException, UnsupportedEncodingException, URISyntaxException{
  96                 List<DBRequest> requests = new ArrayList<>();
  97                 QueryBuilder<Vertex> query = createLInterfaceQuery(aaiReqMap, newvce);
  98                 List<Vertex> linterfaces = query.toList();
  99
 100                 for (Vertex lint : linterfaces) {
 101                         URI lintURI = buildLInterfaceURI(lint, aaiReqMap);
 102                         QueryParser parser = createLInterfaceQuery(aaiReqMap, newvce).createQueryFromObjectName("l-interface");
 103                         DBRequest originalDbRequest = aaiReqMap.getDbRequest();
 104                         DBRequest request = new DBRequest.Builder(HttpMethod.DELETE, lintURI, parser, newvce, originalDbRequest.getHeaders(), originalDbRequest.getInfo(), originalDbRequest.getTransactionId()).build();
 105                         requests.add(request);
 106                 }
 107
 108                 return requests;
 109         }
 110 }