src/main/java/org/onap/dmaap/dbcapi/resources/BridgeResource.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * org.onap.dmaap
   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.resources;
  22
  23 import java.util.List;
  24
  25 import javax.ws.rs.Consumes;
  26 import javax.ws.rs.GET;
  27 import javax.ws.rs.PUT;
  28 import javax.ws.rs.Path;
  29 import javax.ws.rs.Produces;
  30 import javax.ws.rs.QueryParam;
  31 import javax.ws.rs.core.MediaType;
  32 import javax.ws.rs.core.Response;
  33 import javax.ws.rs.core.Response.Status;
  34
  35 import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
  36 import org.onap.dmaap.dbcapi.model.ApiError;
  37 import org.onap.dmaap.dbcapi.model.BrTopic;
  38 import org.onap.dmaap.dbcapi.model.Dmaap;
  39 import org.onap.dmaap.dbcapi.model.MirrorMaker;
  40 import org.onap.dmaap.dbcapi.service.ApiService;
  41 import org.onap.dmaap.dbcapi.service.MirrorMakerService;
  42
  43 import io.swagger.annotations.Api;
  44 import io.swagger.annotations.ApiOperation;
  45 import io.swagger.annotations.ApiResponse;
  46 import io.swagger.annotations.ApiResponses;
  47
  48 @Path("/bridge")
  49 @Api( value= "bridge", description = "Endpoint for retreiving MR Bridge metrics" )
  50 @Consumes(MediaType.APPLICATION_JSON)
  51 @Produces(MediaType.APPLICATION_JSON)
  52 @Authorization
  53 public class BridgeResource extends BaseLoggingClass {
  54
  55         private MirrorMakerService mmService = new MirrorMakerService();
  56
  57         @GET
  58         @ApiOperation( value = "return BrTopic details",
  59         notes = "Returns array of  `BrTopic` objects. If source and target query params are specified, only report on that bridge.  If detail param is true, list topics names, else just a count is returned",
  60         response = BrTopic.class)
  61 @ApiResponses( value = {
  62     @ApiResponse( code = 200, message = "Success", response = Dmaap.class),
  63     @ApiResponse( code = 400, message = "Error", response = ApiError.class )
  64 })
  65         public Response getBridgedTopics(@QueryParam("source") String source,
  66                                                                         @QueryParam("target") String target,
  67                                                                         @QueryParam("detail") Boolean detailFlag ){
  68                 ApiService check = new ApiService();
  69
  70                 if ( ! Boolean.TRUE.equals(detailFlag)) {
  71                         BrTopic brTopic = new BrTopic();
  72
  73                         logger.info( "getBridgeTopics():" + " source=" + source + ", target=" + target);
  74
  75                         if (source != null && target != null) {         // get topics between 2 bridged locations
  76                                 brTopic.setBrSource(source);
  77                                 brTopic.setBrTarget(target);
  78                                 MirrorMaker mm = mmService.getMirrorMaker(source, target);
  79                                 if ( mm != null ) {
  80                                                 brTopic.setTopicCount( mm.getTopicCount() );
  81                                 }
  82
  83                                 logger.info( "topicCount [2 locations]: " + brTopic.getTopicCount() );
  84                         }
  85                         else if (source == null && target == null ) {
  86                                 List<String> mmList = mmService.getAllMirrorMakers();
  87                                 brTopic.setBrSource("all");
  88                                 brTopic.setBrTarget("all");
  89                                 int totCnt = 0;
  90                                 for( String key: mmList ) {
  91                                         int mCnt = 0;
  92                                         MirrorMaker mm = mmService.getMirrorMaker(key);
  93                                         if ( mm != null ) {
  94                                                 mCnt = mm.getTopicCount();
  95                                         }
  96                                         logger.info( "Count for "+ key + ": " + mCnt);
  97                                         totCnt += mCnt;
  98                                 }
  99
 100                                 logger.info( "topicCount [all locations]: " + totCnt );
 101                                 brTopic.setTopicCount(totCnt);
 102
 103                         }
 104                         else {
 105
 106                                 logger.error( "source or target is missing");
 107                                 check.setCode(Status.BAD_REQUEST.getStatusCode());
 108                                 check.setMessage("Either both source and target or neither must be provided");
 109                                 return check.error();
 110                         }
 111                         return check.success(brTopic);
 112                 } else {
 113
 114
 115                         logger.info( "getBridgeTopics() detail:" + " source=" + source + ", target=" + target);
 116
 117                         if (source != null && target != null) {         // get topics between 2 bridged locations
 118
 119                                 MirrorMaker mm = mmService.getMirrorMaker(source, target);
 120                                 if ( mm == null ) {
 121                                         return check.notFound();
 122                                 }
 123
 124                                 return check.success(mm);
 125                         }
 126
 127                         else {
 128
 129                                 logger.error( "source and target are required when detail=true");
 130                                 check.setCode(Status.BAD_REQUEST.getStatusCode());
 131                                 check.setMessage("source and target are required when detail=true");
 132                                 return check.error();
 133                         }
 134                 }
 135         }
 136
 137         @PUT
 138         @ApiOperation( value = "update MirrorMaker details",
 139                 notes = "replace the topic list for a specific Bridge.  Use JSON Body for value to replace whitelist, but if refreshFlag param is true, simply refresh using existing whitelist",
 140                 response = MirrorMaker.class)
 141         @ApiResponses( value = {
 142             @ApiResponse( code = 200, message = "Success", response = Dmaap.class),
 143             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
 144         })
 145         public Response putBridgedTopics(@QueryParam("source") String source,
 146                                                                         @QueryParam("target") String target,
 147                                                                         @QueryParam("refresh") Boolean refreshFlag,
 148                                                                         MirrorMaker newBridge ){
 149                 ApiService check = new ApiService();
 150
 151                 logger.info( "putBridgeTopics() detail:" + " source=" + source + ", target=" + target);
 152
 153                 if (source != null && target != null) {         // get topics between 2 bridged locations
 154
 155                         MirrorMaker mm = mmService.getMirrorMaker(source, target);
 156                         if ( mm == null ) {
 157                                 return check.notFound();
 158                         }
 159                         if ( refreshFlag != null  &&  refreshFlag == false ) {
 160                                 logger.info( "setting whitelist from message body");
 161                                 mm.setTopics( newBridge.getTopics() );
 162                         } else {
 163                                 logger.info( "refreshing whitelist from memory");
 164                         }
 165                         mmService.updateMirrorMaker(mm);
 166                         return check.success(mm);
 167                 }
 168
 169                 else {
 170
 171                         logger.error( "source and target are required when detail=true");
 172                         check.setCode(Status.BAD_REQUEST.getStatusCode());
 173                         check.setMessage("source and target are required when detail=true");
 174                         return check.error();
 175                 }
 176
 177         }
 178 }