dmaap-bc/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  * Modifications Copyright (C) 2019 IBM.
   8  * ================================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.dmaap.dbcapi.service;
  24
  25 import java.util.ArrayList;
  26 import java.util.List;
  27 import java.util.Map;
  28 import javax.ws.rs.core.Response.Status;
  29 import org.onap.dmaap.dbcapi.client.DrProvConnection;
  30 import org.onap.dmaap.dbcapi.database.DatabaseClass;
  31 import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
  32 import org.onap.dmaap.dbcapi.model.ApiError;
  33 import org.onap.dmaap.dbcapi.model.DR_Node;
  34 import org.onap.dmaap.dbcapi.model.DmaapObject.DmaapObject_Status;
  35 import org.onap.dmaap.dbcapi.util.DmaapConfig;
  36
  37
  38 public class DR_NodeService extends BaseLoggingClass {
  39         private  class DrProv {
  40                 String currentNodes;
  41                 String currentStaticNodes;
  42
  43                 private String getX( String X, ApiError apiError ) {
  44
  45                 logger.info( "templog:getX at" + " 12.10.10" );
  46                         DrProvConnection prov = new DrProvConnection();
  47                 logger.info( "templog:getX at" + " 12.10.12" );
  48                         prov.makeNodesConnection( X );
  49                 logger.info( "templog:getX at" + " 12.10.14" );
  50                         String resp  = prov.doGetNodes(  apiError );
  51                 logger.info( "templog:getX at" + " 12.10.16" );
  52                         logger.info( "rc=" + apiError.getCode() );
  53                 logger.info( "templog:getX at" + " 12.10.18" );
  54                         return resp;
  55                 }
  56
  57                 private void setX( String X, String list, ApiError apiError ) {
  58                         DrProvConnection prov = new DrProvConnection();
  59                         prov.makeNodesConnection( X, list );
  60                         prov.doPutNodes( apiError );
  61                 }
  62
  63                 private String removeFromList( String aNode, String aList ) {
  64                         String[] nodeList = aList.split("\\|");
  65                         StringBuilder res = new StringBuilder();
  66                         for ( String n: nodeList ) {
  67                                 logger.info( "compare existing node " + n + " vs " + aNode );
  68                                 if ( ! n.equals(aNode)) {
  69                                         if (res.length() > 0 ) {
  70                                                 res.append( "|" );
  71                                         }
  72                                         res.append(n);
  73                                 }
  74                         }
  75                         logger.info( "result=" + res.toString() );
  76                         return res.toString();
  77                 }
  78
  79                  boolean containsNode( String aNode , ApiError apiError ){
  80
  81                 logger.info( "templog:containsNode at" + " 12.10" );
  82                         //DrProvConnection prov = new DrProvConnection();
  83                         //prov.makeNodesConnection();
  84                         currentNodes = getX( "NODES", apiError );
  85                 logger.info( "templog:containsNode at" + " 12.12" );
  86                         if ( ! apiError.is2xx() || currentNodes == null ) {
  87                 logger.info( "templog:containsNode at" + " 12.14" );
  88                                 return false;
  89                         }
  90                 logger.info( "templog:containsNode at" + " 12.16" );
  91                         logger.info( "NODES now=" + currentNodes );
  92                         String[] nodeList = currentNodes.split("\\|");
  93                 logger.info( "templog:containsNode at" + " 12.17" );
  94                         for( String n: nodeList ) {
  95                 logger.info( "templog:containsNode at" + " 12.18" );
  96                                 logger.info( "compare existing node " + n + " vs " + aNode );
  97                                 if ( n.equals(aNode) ) {
  98                                         return true;
  99                                 }
 100                         }
 101                         return false;
 102                 }
 103
 104                  void addNode( String aNode, ApiError apiError ) {
 105
 106                         currentNodes = currentNodes + "|" + aNode;
 107                         setX( "NODES", currentNodes, apiError );
 108
 109
 110                 }
 111                 void removeNode( String aNode, ApiError apiError ) {
 112                         currentNodes = removeFromList( aNode, currentNodes );
 113                         setX( "NODES", currentNodes, apiError );
 114                 }
 115
 116                 public boolean containsStaticNode(String aNode, ApiError apiError) {
 117
 118                         //DrProvConnection prov = new DrProvConnection();
 119                         //prov.makeNodesConnection();
 120                         currentStaticNodes = getX( "STATIC_ROUTING_NODES", apiError );
 121                         if (! apiError.is2xx() || currentStaticNodes == null ) {
 122                                 return false;
 123                         }
 124                         logger.info( "STATIC_ROUTING_NODES now=" + currentNodes );
 125                         String[] nodeList = currentStaticNodes.split("\\|");
 126                         for( String n: nodeList ) {
 127                                 logger.info( "compare existing node " + n + " vs " + aNode );
 128                                 if ( n.equals(aNode) ) {
 129                                         return true;
 130                                 }
 131                         }
 132                         return false;
 133                 }
 134
 135
 136                 public void addStaticNode(String aNode, ApiError apiError) {
 137                         currentStaticNodes = currentStaticNodes + "|" + aNode;
 138                         setX( "STATIC_ROUTING_NODES", currentStaticNodes, apiError );
 139                 }
 140                 void removeStaticNode( String aNode, ApiError apiError ) {
 141                         currentStaticNodes = removeFromList( aNode, currentStaticNodes );
 142                         setX( "STATIC_ROUTING_NODES", currentStaticNodes, apiError );
 143                 }
 144         }
 145
 146         DmaapConfig p = (DmaapConfig)DmaapConfig.getConfig();
 147         String unit_test = p.getProperty( "UnitTest", "No" );
 148
 149         private Map<String, DR_Node> dr_nodes = DatabaseClass.getDr_nodes();
 150
 151         public Map<String, DR_Node> getDr_Nodes() {
 152                 return dr_nodes;
 153         }
 154
 155         public List<DR_Node> getAllDr_Nodes() {
 156                 return new ArrayList<DR_Node>(dr_nodes.values());
 157         }
 158
 159         public DR_Node getDr_Node( String fqdn, ApiError apiError ) {
 160                 DR_Node old = dr_nodes.get( fqdn );
 161                 if ( old == null ) {
 162                         apiError.setCode(Status.NOT_FOUND.getStatusCode());
 163                         apiError.setFields( "fqdn");
 164                         apiError.setMessage( "Node " + fqdn + " does not exist");
 165                         return null;
 166                 }
 167                 apiError.setCode(200);
 168                 return old;
 169         }
 170
 171         public DR_Node addDr_Node( DR_Node node, ApiError apiError ) {
 172                 String fqdn = node.getFqdn();
 173                 DR_Node old = dr_nodes.get( fqdn );
 174                 if ( old != null ) {
 175                         apiError.setCode(Status.CONFLICT.getStatusCode());
 176                         apiError.setFields( "fqdn");
 177                         apiError.setMessage( "Node " + fqdn + " already exists");
 178                         return null;
 179                 }
 180                 logger.info( "templog:addDr_Node at" + " 10" );
 181
 182                 DrProv drProv = new DrProv();
 183                 logger.info( "templog:addDr_Node at" + " 12" );
 184
 185                 if ( ! drProv.containsNode( node.getFqdn(), apiError ) && apiError.is2xx() ) {
 186                         logger.info( "templog:addDr_Node at" + " 15" );
 187                         drProv.addNode( node.getFqdn(), apiError );
 188                 }
 189                 logger.info( "templog:addDr_Node at" + " 20" );
 190                 if ( ! apiError.is2xx() && ! unit_test.equals( "Yes" ) ) {
 191                         return null;
 192                 }
 193                 logger.info( "templog:addDr_Node at" + " 30" );
 194                 DcaeLocationService locService = new DcaeLocationService();
 195                 if ( locService.isEdgeLocation( node.getDcaeLocationName()) && ! drProv.containsStaticNode( node.getFqdn(), apiError ) ) {
 196                         if ( apiError.is2xx() ) {
 197                                 drProv.addStaticNode( node.getFqdn(), apiError );
 198                         }
 199                 }
 200                 logger.info( "templog:addDr_Node at" + " 40" );
 201                 if ( ! apiError.is2xx() && ! unit_test.equals("Yes") ) {
 202                         return null;
 203                 }
 204
 205                 logger.info( "templog:addDr_Node at" + " 50" );
 206                 node.setLastMod();
 207                 node.setStatus(DmaapObject_Status.VALID);
 208                 dr_nodes.put( node.getFqdn(), node );
 209                 logger.info( "templog:addDr_Node at" + " 60" );
 210                 apiError.setCode(200);
 211                 return node;
 212         }
 213
 214         public DR_Node updateDr_Node( DR_Node node, ApiError apiError ) {
 215                 DR_Node old = dr_nodes.get( node.getFqdn() );
 216                 if ( old == null ) {
 217                         apiError.setCode(Status.NOT_FOUND.getStatusCode());
 218                         apiError.setFields( "fqdn");
 219                         apiError.setMessage( "Node " + node.getFqdn() + " does not exist");
 220                         return null;
 221                 }
 222                 node.setLastMod();
 223                 dr_nodes.put( node.getFqdn(), node );
 224                 apiError.setCode(200);
 225                 return node;
 226         }
 227
 228         public DR_Node removeDr_Node( String nodeName, ApiError apiError ) {
 229                 DR_Node old = dr_nodes.get( nodeName );
 230                 if ( old == null ) {
 231                         apiError.setCode(Status.NOT_FOUND.getStatusCode());
 232                         apiError.setFields( "fqdn");
 233                         apiError.setMessage( "Node " + nodeName + " does not exist");
 234                         return null;
 235                 }
 236
 237                 DrProv drProv = new DrProv();
 238                 if ( drProv.containsNode( old.getFqdn(), apiError ) && apiError.is2xx() ) {
 239                         drProv.removeNode( old.getFqdn(), apiError );
 240                 }
 241                 DcaeLocationService locService = new DcaeLocationService();
 242                 if ( locService.isEdgeLocation( old.getDcaeLocationName()) && drProv.containsStaticNode( old.getFqdn(), apiError ) ) {
 243                         if ( apiError.is2xx()) {
 244                                 drProv.removeStaticNode( old.getFqdn(), apiError );
 245                         }
 246
 247                 }
 248
 249                 apiError.setCode(200);
 250                 return dr_nodes.remove(nodeName);
 251         }
 252
 253         public String getNodePatternAtLocation( String loc, boolean allowMult ) {
 254                 logger.info( "loc=" + loc );
 255                 if ( loc == null ) {
 256                         return null;
 257                 }
 258                 StringBuilder str = new StringBuilder();
 259                 for( DR_Node node : dr_nodes.values() ) {
 260                         if ( loc.equals( node.getDcaeLocationName()) ) {
 261                                 if ( str.length() > 0 ) {
 262                                         str.append( ",");
 263                                 }
 264                                 str.append( node.getFqdn());
 265                                 if ( ! allowMult ) {
 266                                         break;
 267                                 }
 268                         }
 269                 }
 270                 logger.info( "returning " + str.toString() );
 271                 return str.toString();
 272         }
 273 }