gerrit.onap Code Review - dcaegen2/services.git/blob

   1 /*
   2 * ============LICENSE_START=======================================================
   3 * ONAP : DataLake
   4 * ================================================================================
   5 * Copyright 2019 China Mobile
   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.datalake.feeder.controller;
  21
  22 import java.io.IOException;
  23 import java.util.*;
  24
  25 import javax.servlet.http.HttpServletResponse;
  26
  27 import org.onap.datalake.feeder.domain.Db;
  28 import org.onap.datalake.feeder.domain.Topic;
  29 import org.onap.datalake.feeder.repository.DbRepository;
  30 import org.onap.datalake.feeder.dto.DbConfig;
  31 import org.onap.datalake.feeder.controller.domain.PostReturnBody;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34 import org.springframework.beans.factory.annotation.Autowired;
  35 import org.springframework.http.MediaType;
  36 import org.springframework.validation.BindingResult;
  37 import org.springframework.web.bind.annotation.*;
  38
  39 import io.swagger.annotations.ApiOperation;
  40
  41 /**
  42  * This controller manages the big data storage settings. All the settings are
  43  * saved in database.
  44  *
  45  * @author Guobiao Mo
  46  *
  47  */
  48
  49 @RestController
  50 @RequestMapping(value = "/dbs", produces = { MediaType.APPLICATION_JSON_VALUE })
  51
  52 //@Api(value = "db", consumes = "application/json", produces = "application/json")
  53 public class DbController {
  54
  55         private final Logger log = LoggerFactory.getLogger(this.getClass());
  56
  57         @Autowired
  58         private DbRepository dbRepository;
  59
  60         //list all dbs
  61         @GetMapping("")
  62         @ResponseBody
  63         @ApiOperation(value="Gat all databases name")
  64         //public Iterable<Db> list() throws IOException {
  65         public List<String> list() throws IOException {
  66                 Iterable<Db> ret = dbRepository.findAll();
  67                 List<String> retString = new ArrayList<>();
  68                 for(Db db : ret)
  69                 {
  70                         log.info(db.getName());
  71                         retString.add(db.getName());
  72
  73                 }
  74                 return retString;
  75         }
  76
  77         @GetMapping("/idAndName")
  78         @ResponseBody
  79         @ApiOperation(value="Gat all databases id and name")
  80         public Map<Integer, String> listIdAndName() {
  81                 Iterable<Db> ret = dbRepository.findAll();
  82                 Map<Integer, String> map = new HashMap<>();
  83                 for(Db db : ret)
  84                 {
  85                         log.info(db.getId() + "\t"+ db.getName());
  86                         map.put(db.getId(), db.getName());
  87                 }
  88                 return map;
  89         }
  90
  91         //Create a  DB
  92         @PostMapping("")
  93         @ResponseBody
  94         @ApiOperation(value="Create a new database.")
  95         public PostReturnBody<DbConfig> createDb(@RequestBody DbConfig dbConfig, BindingResult result, HttpServletResponse response) throws IOException {
  96                 if (result.hasErrors()) {
  97                         sendError(response, 400, "Malformed format of Post body: " + result.toString());
  98                         return null;
  99                 }
 100
 101 /*              Db oldDb = dbService.getDb(dbConfig.getName());
 102                 if (oldDb != null) {
 103                         sendError(response, 400, "Db already exists: " + dbConfig.getName());
 104                         return null;
 105                 } else {*/
 106                         Db newdb = new Db();
 107                         newdb.setName(dbConfig.getName());
 108                         newdb.setHost(dbConfig.getHost());
 109                         newdb.setPort(dbConfig.getPort());
 110                         newdb.setEnabled(dbConfig.isEnabled());
 111                         newdb.setLogin(dbConfig.getLogin());
 112                         newdb.setPass(dbConfig.getPassword());
 113                         newdb.setEncrypt(dbConfig.isEncrypt());
 114
 115                         if(!dbConfig.getName().equals("Elecsticsearch") || !dbConfig.getName().equals("Druid"))
 116                         {
 117                                 newdb.setDatabase(new String(dbConfig.getDatabase()));
 118                         }
 119                         dbRepository.save(newdb);
 120                         DbConfig retMsg;
 121                         PostReturnBody<DbConfig> retBody = new PostReturnBody<>();
 122                         retMsg = new DbConfig();
 123                         composeRetMessagefromDbConfig(newdb, retMsg);
 124                         retBody.setReturnBody(retMsg);
 125                         retBody.setStatusCode(200);
 126                         return retBody;
 127                 //}
 128         }
 129
 130         //Show a db
 131         //the topics are missing in the return, since in we use @JsonBackReference on Db's topics
 132         //need to the the following method to retrieve the topic list
 133         @GetMapping("/{dbName}")
 134         @ResponseBody
 135         @ApiOperation(value="Get a database's details.")
 136         public Db getDb(@PathVariable("dbName") String dbName, HttpServletResponse response) throws IOException {
 137                 /*Db db = dbService.getDb(dbName);
 138                 if (db == null) {
 139                         sendError(response, 404, "Db not found: " + dbName);
 140                 }*/
 141                 Db db = dbRepository.findByName(dbName);
 142                 if (db == null) {
 143                         sendError(response, 404, "Db not found: " + dbName);
 144                 }
 145                 return db;
 146         }
 147
 148
 149         //Delete a db
 150         //the topics are missing in the return, since in we use @JsonBackReference on Db's topics
 151         //need to the the following method to retrieve the topic list
 152         @DeleteMapping("/{dbName}")
 153         @ResponseBody
 154         @ApiOperation(value="Delete a database.")
 155         public void deleteDb(@PathVariable("dbName") String dbName, HttpServletResponse response) throws IOException {
 156
 157                 Db delDb = dbRepository.findByName(dbName);
 158                 if (delDb == null) {
 159                         sendError(response, 404, "Db not found: " + dbName);
 160                         return;
 161                 }
 162                 Set<Topic> topicRelation = delDb.getTopics();
 163                 topicRelation.clear();
 164                 dbRepository.save(delDb);
 165                 dbRepository.delete(delDb);
 166                 response.setStatus(204);
 167         }
 168
 169         //Read topics in a DB
 170         @GetMapping("/{dbName}/topics")
 171         @ResponseBody
 172         @ApiOperation(value="Get a database's all topics.")
 173         public Set<Topic> getDbTopics(@PathVariable("dbName") String dbName, HttpServletResponse response) throws IOException {
 174                 //Db db = dbService.getDb(dbName);
 175                 Set<Topic> topics;
 176                 try {
 177                         Db db = dbRepository.findByName(dbName);
 178                         topics = db.getTopics();
 179                 }catch(Exception ex)
 180                 {
 181                         sendError(response, 404, "DB: " + dbName + " or Topics not found");
 182                         return null;
 183
 184                 }
 185                 return topics;
 186         }
 187
 188
 189         //Update Db
 190         @PutMapping("")
 191         @ResponseBody
 192         @ApiOperation(value="Update a database.")
 193         public PostReturnBody<DbConfig> updateDb(@RequestBody DbConfig dbConfig, BindingResult result, HttpServletResponse response) throws IOException {
 194
 195                 if (result.hasErrors()) {
 196                         sendError(response, 400, "Error parsing DB: " + result.toString());
 197                         return null;
 198                 }
 199
 200                 Db oldDb = dbRepository.findById(dbConfig.getId()).get();
 201                 if (oldDb == null) {
 202                         sendError(response, 404, "Db not found: " + dbConfig.getName());
 203                         return null;
 204                 } else {
 205                         oldDb.setHost(dbConfig.getHost());
 206                         oldDb.setPort(dbConfig.getPort());
 207                         oldDb.setEnabled(dbConfig.isEnabled());
 208                         oldDb.setLogin(dbConfig.getLogin());
 209                         oldDb.setPass(dbConfig.getPassword());
 210                         oldDb.setEncrypt(dbConfig.isEncrypt());
 211                         if (!oldDb.getName().equals("Elecsticsearch") || !oldDb.getName().equals("Druid")) {
 212                                 oldDb.setDatabase(dbConfig.getDatabase());
 213                         }
 214
 215                         dbRepository.save(oldDb);
 216                         DbConfig retMsg;
 217                         PostReturnBody<DbConfig> retBody = new PostReturnBody<>();
 218                         retMsg = new DbConfig();
 219                         composeRetMessagefromDbConfig(oldDb, retMsg);
 220                         retBody.setReturnBody(retMsg);
 221                         retBody.setStatusCode(200);
 222                         return retBody;
 223                 }
 224
 225         }
 226
 227
 228         @PostMapping("/verify")
 229         @ResponseBody
 230         @ApiOperation(value="Database connection verification")
 231         public PostReturnBody<DbConfig> verifyDbConnection(@RequestBody DbConfig dbConfig, HttpServletResponse response) throws IOException {
 232
 233                 /*
 234                         Not implemented yet.
 235                  */
 236
 237                 response.setStatus(501);
 238                 return null;
 239         }
 240
 241         private void composeRetMessagefromDbConfig(Db db, DbConfig dbConfigMsg)
 242         {
 243                 dbConfigMsg.setName(db.getName());
 244                 dbConfigMsg.setHost(db.getHost());
 245                 dbConfigMsg.setEnabled(db.isEnabled());
 246                 dbConfigMsg.setPort(db.getPort());
 247                 dbConfigMsg.setLogin(db.getLogin());
 248                 dbConfigMsg.setDatabase(db.getDatabase());
 249
 250
 251         }
 252
 253         private void sendError(HttpServletResponse response, int sc, String msg) throws IOException {
 254                 log.info(msg);
 255                 response.sendError(sc, msg);
 256         }
 257 }