src/main/java/org/onap/dmaap/dbcapi/service/DR_NodeService.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * org.onap.dcae
   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
  21 package org.onap.dmaap.dbcapi.service;
  22
  23 import java.util.ArrayList;
  24 import java.util.List;
  25 import java.util.Map;
  26
  27 import javax.ws.rs.core.Response.Status;
  28
  29 import org.apache.log4j.Logger;
  30 import org.onap.dmaap.dbcapi.aaf.client.DrProvConnection;
  31 import org.onap.dmaap.dbcapi.aaf.database.DatabaseClass;
  32 import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
  33 import org.onap.dmaap.dbcapi.model.ApiError;
  34 import org.onap.dmaap.dbcapi.model.DR_Node;
  35 import org.onap.dmaap.dbcapi.model.DmaapObject.DmaapObject_Status;
  36
  37 public class DR_NodeService extends BaseLoggingClass {
  38         private  class DrProv {
  39                 String currentNodes;
  40                 String currentStaticNodes;
  41
  42                 private String getX( String X, ApiError apiError ) {
  43
  44                 logger.info( "templog:getX at" + " 12.10.10" );
  45                         DrProvConnection prov = new DrProvConnection();
  46                 logger.info( "templog:getX at" + " 12.10.12" );
  47                         prov.makeNodesConnection( X );
  48                 logger.info( "templog:getX at" + " 12.10.14" );
  49                         String resp  = prov.doGetNodes(  apiError );
  50                 logger.info( "templog:getX at" + " 12.10.16" );
  51                         logger.info( "rc=" + apiError.getCode() );
  52                 logger.info( "templog:getX at" + " 12.10.18" );
  53                         return resp;
  54                 }
  55
  56                 private void setX( String X, String list, ApiError apiError ) {
  57                         DrProvConnection prov = new DrProvConnection();
  58                         prov.makeNodesConnection( X, list );
  59                         String resp = prov.doPutNodes( apiError );
  60                 }
  61
  62                 private String removeFromList( String aNode, String aList ) {
  63                         String[] nodeList = aList.split("\\|");
  64                         StringBuilder res = new StringBuilder();
  65                         for ( String n: nodeList ) {
  66                                 logger.info( "compare existing node " + n + " vs " + aNode );
  67                                 if ( ! n.equals(aNode)) {
  68                                         if (res.length() > 0 ) {
  69                                                 res.append( "|" );
  70                                         }
  71                                         res.append(n);
  72                                 }
  73                         }
  74                         logger.info( "result=" + res.toString() );
  75                         return res.toString();
  76                 }
  77
  78                  boolean containsNode( String aNode , ApiError apiError ){
  79
  80                 logger.info( "templog:containsNode at" + " 12.10" );
  81                         //DrProvConnection prov = new DrProvConnection();
  82                         //prov.makeNodesConnection();
  83                         currentNodes = getX( "NODES", apiError );
  84                 logger.info( "templog:containsNode at" + " 12.12" );
  85                         if ( ! apiError.is2xx() || currentNodes == null ) {
  86                 logger.info( "templog:containsNode at" + " 12.14" );
  87                                 return false;
  88                         }
  89                 logger.info( "templog:containsNode at" + " 12.16" );
  90                         logger.info( "NODES now=" + currentNodes );
  91                         String[] nodeList = currentNodes.split("\\|");
  92                 logger.info( "templog:containsNode at" + " 12.17" );
  93                         for( String n: nodeList ) {
  94                 logger.info( "templog:containsNode at" + " 12.18" );
  95                                 logger.info( "compare existing node " + n + " vs " + aNode );
  96                                 if ( n.equals(aNode) ) {
  97                                         return true;
  98                                 }
  99                         }
 100                         return false;
 101                 }
 102
 103                  void addNode( String aNode, ApiError apiError ) {
 104
 105                         currentNodes = currentNodes + "|" + aNode;
 106                         setX( "NODES", currentNodes, apiError );
 107
 108
 109                 }
 110                 void removeNode( String aNode, ApiError apiError ) {
 111                         currentNodes = removeFromList( aNode, currentNodes );
 112                         setX( "NODES", currentNodes, apiError );
 113                 }
 114
 115                 public boolean containsStaticNode(String aNode, ApiError apiError) {
 116
 117                         //DrProvConnection prov = new DrProvConnection();
 118                         //prov.makeNodesConnection();
 119                         currentStaticNodes = getX( "STATIC_ROUTING_NODES", apiError );
 120                         if (! apiError.is2xx() || currentStaticNodes == null ) {
 121                                 return false;
 122                         }
 123                         logger.info( "STATIC_ROUTING_NODES now=" + currentNodes );
 124                         String[] nodeList = currentStaticNodes.split("\\|");
 125                         for( String n: nodeList ) {
 126                                 logger.info( "compare existing node " + n + " vs " + aNode );
 127                                 if ( n.equals(aNode) ) {
 128                                         return true;
 129                                 }
 130                         }
 131                         return false;
 132                 }
 133
 134
 135                 public void addStaticNode(String aNode, ApiError apiError) {
 136                         currentStaticNodes = currentStaticNodes + "|" + aNode;
 137                         setX( "STATIC_ROUTING_NODES", currentStaticNodes, apiError );
 138                 }
 139                 void removeStaticNode( String aNode, ApiError apiError ) {
 140                         currentStaticNodes = removeFromList( aNode, currentStaticNodes );
 141                         setX( "STATIC_ROUTING_NODES", currentStaticNodes, apiError );
 142                 }
 143         }
 144         private Map<String, DR_Node> dr_nodes = DatabaseClass.getDr_nodes();
 145
 146         public Map<String, DR_Node> getDr_Nodes() {
 147                 return dr_nodes;
 148         }
 149
 150         public List<DR_Node> getAllDr_Nodes() {
 151                 return new ArrayList<DR_Node>(dr_nodes.values());
 152         }
 153
 154         public DR_Node getDr_Node( String fqdn, ApiError apiError ) {
 155                 DR_Node old = dr_nodes.get( fqdn );
 156                 if ( old == null ) {
 157                         apiError.setCode(Status.NOT_FOUND.getStatusCode());
 158                         apiError.setFields( "fqdn");
 159                         apiError.setMessage( "Node " + fqdn + " does not exist");
 160                         return null;
 161                 }
 162                 apiError.setCode(200);
 163                 return old;
 164         }
 165
 166         public DR_Node addDr_Node( DR_Node node, ApiError apiError ) {
 167                 String fqdn = node.getFqdn();
 168                 DR_Node old = dr_nodes.get( fqdn );
 169                 if ( old != null ) {
 170                         apiError.setCode(Status.CONFLICT.getStatusCode());
 171                         apiError.setFields( "fqdn");
 172                         apiError.setMessage( "Node " + fqdn + " already exists");
 173                         return null;
 174                 }
 175                 logger.info( "templog:addDr_Node at" + " 10" );
 176
 177                 DrProv drProv = new DrProv();
 178                 logger.info( "templog:addDr_Node at" + " 12" );
 179
 180                 if ( ! drProv.containsNode( node.getFqdn(), apiError ) && apiError.is2xx() ) {
 181                         logger.info( "templog:addDr_Node at" + " 15" );
 182                         drProv.addNode( node.getFqdn(), apiError );
 183                 }
 184                 logger.info( "templog:addDr_Node at" + " 20" );
 185                 if ( ! apiError.is2xx()) {
 186                         return null;
 187                 }
 188                 logger.info( "templog:addDr_Node at" + " 30" );
 189                 DcaeLocationService locService = new DcaeLocationService();
 190                 if ( locService.isEdgeLocation( node.getDcaeLocationName()) && ! drProv.containsStaticNode( node.getFqdn(), apiError ) ) {
 191                         if ( apiError.is2xx() ) {
 192                                 drProv.addStaticNode( node.getFqdn(), apiError );
 193                         }
 194                 }
 195                 logger.info( "templog:addDr_Node at" + " 40" );
 196                 if ( ! apiError.is2xx()) {
 197                         return null;
 198                 }
 199
 200                 logger.info( "templog:addDr_Node at" + " 50" );
 201                 node.setLastMod();
 202                 node.setStatus(DmaapObject_Status.VALID);
 203                 dr_nodes.put( node.getFqdn(), node );
 204                 logger.info( "templog:addDr_Node at" + " 60" );
 205                 apiError.setCode(200);
 206                 return node;
 207         }
 208
 209         public DR_Node updateDr_Node( DR_Node node, ApiError apiError ) {
 210                 DR_Node old = dr_nodes.get( node );
 211                 if ( old == null ) {
 212                         apiError.setCode(Status.NOT_FOUND.getStatusCode());
 213                         apiError.setFields( "fqdn");
 214                         apiError.setMessage( "Node " + node + " does not exist");
 215                         return null;
 216                 }
 217                 node.setLastMod();
 218                 dr_nodes.put( node.getFqdn(), node );
 219                 apiError.setCode(200);
 220                 return node;
 221         }
 222
 223         public DR_Node removeDr_Node( String nodeName, ApiError apiError ) {
 224                 DR_Node old = dr_nodes.get( nodeName );
 225                 if ( old == null ) {
 226                         apiError.setCode(Status.NOT_FOUND.getStatusCode());
 227                         apiError.setFields( "fqdn");
 228                         apiError.setMessage( "Node " + nodeName + " does not exist");
 229                         return null;
 230                 }
 231
 232                 DrProv drProv = new DrProv();
 233                 if ( drProv.containsNode( old.getFqdn(), apiError ) && apiError.is2xx() ) {
 234                         drProv.removeNode( old.getFqdn(), apiError );
 235                 }
 236                 DcaeLocationService locService = new DcaeLocationService();
 237                 if ( locService.isEdgeLocation( old.getDcaeLocationName()) && drProv.containsStaticNode( old.getFqdn(), apiError ) ) {
 238                         if ( apiError.is2xx()) {
 239                                 drProv.removeStaticNode( old.getFqdn(), apiError );
 240                         }
 241
 242                 }
 243
 244                 apiError.setCode(200);
 245                 return dr_nodes.remove(nodeName);
 246         }
 247
 248         public String getNodePatternAtLocation( String loc, boolean allowMult ) {
 249                 logger.info( "loc=" + loc );
 250                 if ( loc == null ) {
 251                         return null;
 252                 }
 253                 StringBuilder str = new StringBuilder();
 254                 for( DR_Node node : dr_nodes.values() ) {
 255                         if ( loc.equals( node.getDcaeLocationName()) ) {
 256                                 if ( str.length() > 0 ) {
 257                                         str.append( ",");
 258                                 }
 259                                 str.append( node.getFqdn());
 260                                 if ( ! allowMult ) {
 261                                         break;
 262                                 }
 263                         }
 264                 }
 265                 logger.info( "returning " + str.toString() );
 266                 return str.toString();
 267         }
 268 }