src/main/java/com/att/nsa/dmaapMMAgent/MirrorMakerAgent.java

   1 /*******************************************************************************
   2  *  ============LICENSE_START=======================================================
   3  *  org.onap.dmaap
   4  *  ================================================================================
   5  *  Copyright © 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  *        http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  *  Unless required by applicable law or agreed to in writing, software
  13  *  distributed under the License is distributed on an "AS IS" BASIS,
  14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  *  See the License for the specific language governing permissions and
  16  *  limitations under the License.
  17  *  ============LICENSE_END=========================================================
  18  *
  19  *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
  20  *
  21  *******************************************************************************/
  22
  23 package com.att.nsa.dmaapMMAgent;
  24
  25 import java.io.BufferedReader;
  26 import java.io.DataOutputStream;
  27 import java.io.File;
  28 import java.io.FileInputStream;
  29 import java.io.FileOutputStream;
  30 import java.io.IOException;
  31 import java.io.InputStream;
  32 import java.io.InputStreamReader;
  33 import java.io.OutputStream;
  34 import java.net.HttpURLConnection;
  35 import java.net.URL;
  36 import java.util.ArrayList;
  37 import java.util.Properties;
  38
  39 import org.apache.log4j.Level;
  40 import org.apache.log4j.Logger;
  41 import org.jasypt.util.text.BasicTextEncryptor;
  42
  43 import com.att.nsa.dmaapMMAgent.dao.CreateMirrorMaker;
  44 import com.att.nsa.dmaapMMAgent.dao.DeleteMirrorMaker;
  45 import com.att.nsa.dmaapMMAgent.dao.ListMirrorMaker;
  46 import com.att.nsa.dmaapMMAgent.dao.MirrorMaker;
  47 import com.att.nsa.dmaapMMAgent.dao.UpdateMirrorMaker;
  48 import com.att.nsa.dmaapMMAgent.dao.UpdateWhiteList;
  49 import com.att.nsa.dmaapMMAgent.utils.MirrorMakerProcessHandler;
  50 import com.google.gson.Gson;
  51 import com.google.gson.internal.LinkedTreeMap;
  52 import com.sun.org.apache.xerces.internal.impl.dtd.models.CMAny;
  53 import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;
  54
  55 public class MirrorMakerAgent {
  56         static final Logger logger = Logger.getLogger(MirrorMakerAgent.class);
  57         Properties mirrorMakerProperties = new Properties();
  58         ListMirrorMaker mirrorMakers = null;
  59         String mmagenthome = "";
  60         String kafkahome = "";
  61         String topicURL = "";
  62         String topicname = "";
  63         String mechid = "";
  64         String password = "";
  65         private static String secret = "utdfpWlgyDQ2ZB8SLVRtmN834I1JcT9J";
  66
  67         public static void main(String[] args) {
  68                 if (args != null && args.length == 2) {
  69                         if (args[0].equals("-encrypt")) {
  70                                 BasicTextEncryptor textEncryptor = new BasicTextEncryptor();
  71                                 textEncryptor.setPassword(secret);
  72                                 String plainText = textEncryptor.encrypt(args[1]);
  73                                 System.out.println("Encrypted Password is :" + plainText);
  74                                 return;
  75                         }
  76                 } else if (args != null && args.length > 0) {
  77                         System.out.println(
  78                                         "Usage: ./mmagent to run with the configuration \n -encrypt <password> to Encrypt Password for config ");
  79                         return;
  80                 }
  81                 MirrorMakerAgent agent = new MirrorMakerAgent();
  82                 if (agent.checkStartup()) {
  83                         logger.info("mmagent started, loading properties");
  84                         agent.checkAgentProcess();
  85                         agent.readAgentTopic();
  86                 } else {
  87                         System.out.println(
  88                                         "ERROR: mmagent startup unsuccessful, please make sure the mmagenthome /etc/mmagent.config is set and mechid have the rights to the topic");
  89                 }
  90         }
  91
  92         private boolean checkStartup() {
  93                 FileInputStream input = null;
  94                 try {
  95                         this.mmagenthome = System.getProperty("MMAGENTHOME");
  96                         input = new FileInputStream(mmagenthome + "/etc/mmagent.config");
  97                         logger.info("mmagenthome is set :" + mmagenthome + " loading properties at /etc/mmagent.config");
  98                 } catch (IOException ex) {
  99                         logger.error(mmagenthome + "/etc/mmagent.config not found.  Set -DMMAGENTHOME and check the config file" + ex);
 100                         return false;
 101                 } finally {
 102                         if (input != null) {
 103                                 try {
 104                                         input.close();
 105                                 } catch (IOException e) {
 106                                         logger.error(" IOException occers " + e);
 107                                 }
 108                         }
 109                 }
 110                 loadProperties();
 111                 input = null;
 112                 try {
 113                         /*input = new FileInputStream(kafkahome + "/bin/kafka-run-class.sh");*/
 114                         if(false) {
 115                                 throw new IOException();
 116                         }
 117                         logger.info("kakahome is set :" + kafkahome);
 118                 } catch (IOException ex) {
 119                         logger.error(kafkahome + "/bin/kafka-run-class.sh not found.  Make sure kafka home is set correctly" + ex);
 120                         return false;
 121                 } finally {
 122                         if (input != null) {
 123                                 try {
 124                                         input.close();
 125                                 } catch (IOException e) {
 126                                         logger.error("IOException" + e);
 127                                 }
 128                         }
 129                 }
 130                 String response = publishTopic("{\"test\":\"test\"}");
 131                 if (response.startsWith("ERROR:")) {
 132                         logger.error("Problem publishing to topic, please verify the config " + this.topicname + " MR URL is:"
 133                                         + this.topicURL + " Error is:  " + response);
 134                         return false;
 135                 }
 136                 logger.info("Published to Topic :" + this.topicname + " Successfully");
 137                 response = subscribeTopic("1");
 138                 if (response != null && response.startsWith("ERROR:")) {
 139                         logger.error("Problem subscribing to topic, please verify the config " + this.topicname + " MR URL is:"
 140                                         + this.topicURL + " Error is:  " + response);
 141                         return false;
 142                 }
 143                 logger.info("Subscribed to Topic :" + this.topicname + " Successfully");
 144                 return true;
 145         }
 146
 147         private void checkPropertiesFile(String agentName, String propName, String info, boolean refresh) {
 148                 InputStream input = null;
 149                 OutputStream out = null;
 150                 try {
 151                         if (refresh) {
 152                                 throw new IOException();
 153                         }
 154                         input = new FileInputStream(mmagenthome + "/etc/" + agentName + propName + ".properties");
 155                 } catch (IOException ex) {
 156                         logger.error(" IOException will be handled " + ex);
 157                         try {
 158                                 input = new FileInputStream(mmagenthome + "/etc/" + propName + ".properties");
 159                                 Properties prop = new Properties();
 160                                 prop.load(input);
 161                                 if (propName.equals("consumer")) {
 162                                         prop.setProperty("group.id", agentName);
 163                                         prop.setProperty("zookeeper.connect", info);
 164                                 } else {
 165                                         prop.setProperty("metadata.broker.list", info);
 166                                 }
 167                                 out = new FileOutputStream(mmagenthome + "/etc/" + agentName + propName + ".properties");
 168                                 prop.store(out, "");
 169
 170                         } catch (Exception e) {
 171                                 logger.error("Exception at checkPropertiesFile " +e);
 172                         }
 173                 } finally {
 174                         if (input != null) {
 175                                 try {
 176                                         input.close();
 177                                 } catch (IOException e) {
 178                                         logger.error("Exception occurred is " +e);
 179                                 }
 180                         }
 181                         if (out != null) {
 182                                 try {
 183                                         out.close();
 184                                 } catch (IOException e) {
 185                                         e.printStackTrace();
 186                                         logger.error("IOException" + e);
 187                                 }
 188                         }
 189                 }
 190         }
 191
 192         private void checkAgentProcess() {
 193                 logger.info("Checking MirrorMaker Process");
 194                 if (mirrorMakers != null) {
 195                         int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
 196                         for (int i = 0; i < mirrorMakersCount; i++) {
 197                                 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
 198                                 if (MirrorMakerProcessHandler.checkMirrorMakerProcess(mm.name) == false) {
 199                                         checkPropertiesFile(mm.name, "consumer", mm.consumer, false);
 200                                         checkPropertiesFile(mm.name, "producer", mm.producer, false);
 201
 202                                         if (mm.whitelist != null && !mm.whitelist.equals("")) {
 203                                                 logger.info("MirrorMaker " + mm.name + " is not running, restarting.  Check Logs for more Details");
 204                                                 MirrorMakerProcessHandler.startMirrorMaker(this.mmagenthome, this.kafkahome, mm.name,
 205                                                                 mmagenthome + "/etc/" + mm.name + "consumer.properties",
 206                                                                 mmagenthome + "/etc/" + mm.name + "producer.properties", mm.whitelist);
 207                                                 mm.setStatus("RESTARTING");
 208
 209                                         } else {
 210                                                 logger.info("MirrorMaker " + mm.name + " is STOPPED");
 211                                                 mm.setStatus("STOPPED");
 212                                         }
 213                                         try {
 214                                                 Thread.sleep(1000);
 215                                         } catch (InterruptedException e) {
 216                                                  Thread.currentThread().interrupt();
 217                                         }
 218                                         mirrorMakers.getListMirrorMaker().set(i, mm);
 219                                 } else {
 220                                         logger.info("MirrorMaker " + mm.name + " is running");
 221                                         mm.setStatus("RUNNING");
 222                                         mirrorMakers.getListMirrorMaker().set(i, mm);
 223                                 }
 224                         }
 225                 }
 226                 // Gson g = new Gson();
 227                 // System.out.println(g.toJson(mirrorMakers));
 228         }
 229
 230         private String subscribeTopic(String timeout) {
 231                 String response = "";
 232                 try {
 233                         String requestURL = this.topicURL + "/events/" + this.topicname + "/mirrormakeragent/1?timeout=" + timeout
 234                                         + "&limit=1";
 235                         String authString = this.mechid + ":" + this.password;
 236                         String authStringEnc = Base64.encode(authString.getBytes());
 237                         URL url = new URL(requestURL);
 238                         HttpURLConnection connection = (HttpURLConnection) url.openConnection();
 239                         connection.setRequestMethod("GET");
 240                         connection.setDoOutput(true);
 241                         connection.setRequestProperty("Authorization", "Basic " + authStringEnc);
 242                         connection.setRequestProperty("Content-Type", "application/json");
 243                         InputStream content = (InputStream) connection.getInputStream();
 244                         BufferedReader in = new BufferedReader(new InputStreamReader(content));
 245                         String line;
 246
 247                         while ((line = in.readLine()) != null) {
 248                                 response = response + line;
 249                         }
 250                         Gson g = new Gson();
 251                         // get message as JSON String Array
 252                         String[] topicMessage = g.fromJson(response, String[].class);
 253                         if (topicMessage.length != 0) {
 254                                 return topicMessage[0];
 255                         }
 256                 } catch (Exception e) {
 257                         logger.error(" Exception Occered " + e);
 258                         return "ERROR:" + e.getMessage() + " Server Response is:" + response;
 259                 }
 260                 return null;
 261         }
 262
 263         private String publishTopic(String message) {
 264                 try {
 265                         String requestURL = this.topicURL + "/events/" + this.topicname;
 266                         String authString = this.mechid + ":" + this.password;
 267                         String authStringEnc = Base64.encode(authString.getBytes());
 268                         URL url = new URL(requestURL);
 269                         HttpURLConnection connection = (HttpURLConnection) url.openConnection();
 270                         connection.setRequestMethod("POST");
 271                         connection.setDoOutput(true);
 272                         connection.setRequestProperty("Authorization", "Basic " + authStringEnc);
 273                         connection.setRequestProperty("Content-Type", "application/json");
 274                         connection.setRequestProperty("Content-Length", Integer.toString(message.length()));
 275                         DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
 276                         wr.write(message.getBytes());
 277
 278                         InputStream content = (InputStream) connection.getInputStream();
 279                         BufferedReader in = new BufferedReader(new InputStreamReader(content));
 280                         String line;
 281                         String response = "";
 282                         while ((line = in.readLine()) != null) {
 283                                 response = response + line;
 284                         }
 285                         return response;
 286
 287                 } catch (Exception e) {
 288                         return "ERROR:" + e.getLocalizedMessage();
 289                 }
 290         }
 291
 292         private void readAgentTopic() {
 293                 try {
 294                         int connectionattempt = 0;
 295                         while (true) {
 296                                 logger.info("--------------------------------");
 297                                 logger.info("Waiting for Messages for 60 secs");
 298                                 String topicMessage = subscribeTopic("60000");
 299                                 Gson g = new Gson();
 300                                 LinkedTreeMap<?, ?> object = null;
 301                                 if (topicMessage != null) {
 302                                         try {
 303                                                 object = g.fromJson(topicMessage, LinkedTreeMap.class);
 304
 305                                                 // Cast the 1st item (since limit=1 and see the type of
 306                                                 // object
 307                                                 if (object.get("createMirrorMaker") != null) {
 308                                                         logger.info("Received createMirrorMaker request from topic");
 309                                                         CreateMirrorMaker m = g.fromJson(topicMessage, CreateMirrorMaker.class);
 310                                                         createMirrorMaker(m.getCreateMirrorMaker());
 311                                                         checkAgentProcess();
 312                                                         mirrorMakers.setMessageID(m.getMessageID());
 313                                                         publishTopic(g.toJson(mirrorMakers));
 314                                                         mirrorMakers.setMessageID("");
 315                                                 } else if (object.get("updateMirrorMaker") != null) {
 316                                                         logger.info("Received updateMirrorMaker request from topic");
 317                                                         UpdateMirrorMaker m = g.fromJson(topicMessage, UpdateMirrorMaker.class);
 318                                                         updateMirrorMaker(m.getUpdateMirrorMaker());
 319                                                         checkAgentProcess();
 320                                                         mirrorMakers.setMessageID(m.getMessageID());
 321                                                         publishTopic(g.toJson(mirrorMakers));
 322                                                         mirrorMakers.setMessageID("");
 323                                                 } else if (object.get("deleteMirrorMaker") != null) {
 324                                                         logger.info("Received deleteMirrorMaker request from topic");
 325                                                         DeleteMirrorMaker m = g.fromJson(topicMessage, DeleteMirrorMaker.class);
 326                                                         deleteMirrorMaker(m.getDeleteMirrorMaker());
 327                                                         checkAgentProcess();
 328                                                         mirrorMakers.setMessageID(m.getMessageID());
 329                                                         publishTopic(g.toJson(mirrorMakers));
 330                                                         mirrorMakers.setMessageID("");
 331                                                 } else if (object.get("listAllMirrorMaker") != null) {
 332                                                         logger.info("Received listALLMirrorMaker request from topic");
 333                                                         checkAgentProcess();
 334                                                         mirrorMakers.setMessageID((String) object.get("messageID"));
 335                                                         publishTopic(g.toJson(mirrorMakers));
 336                                                         mirrorMakers.setMessageID("");
 337                                                 } else if (object.get("updateWhiteList") != null) {
 338                                                         logger.info("Received updateWhiteList request from topic");
 339                                                         UpdateWhiteList m = g.fromJson(topicMessage, UpdateWhiteList.class);
 340                                                         updateWhiteList(m.getUpdateWhiteList());
 341                                                         checkAgentProcess();
 342                                                         mirrorMakers.setMessageID(m.getMessageID());
 343                                                         publishTopic(g.toJson(mirrorMakers));
 344                                                         mirrorMakers.setMessageID("");
 345                                                 } else if (object.get("listMirrorMaker") != null) {
 346                                                         logger.info("Received listMirrorMaker from topic, skipping messages");
 347                                                 } else {
 348                                                         logger.info("Received unknown request from topic");
 349                                                 }
 350                                         } catch (Exception ex) {
 351                                                 connectionattempt++;
 352                                                 if (connectionattempt > 5) {
 353                                                         logger.info("Can't connect to the topic, mmagent shutting down , " + topicMessage);
 354                                                         return;
 355                                                 }
 356                                                 logger.info("Can't connect to the topic, " + topicMessage + " Retrying " + connectionattempt
 357                                                                 + " of 5 times in 1 minute" + " Error:" + ex.getLocalizedMessage());
 358                                                 Thread.sleep(60000);
 359                                         }
 360                                 } else {
 361                                         // Check all MirrorMaker every min
 362                                         connectionattempt = 0;
 363                                         checkAgentProcess();
 364                                 }
 365
 366                         }
 367                 } catch (Exception e) {
 368                         logger.error("Exception is : " +e);
 369                 }
 370
 371         }
 372
 373         protected void createMirrorMaker(MirrorMaker newMirrorMaker) {
 374                 boolean exists = false;
 375                 if (mirrorMakers != null) {
 376                         int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
 377                         for (int i = 0; i < mirrorMakersCount; i++) {
 378                                 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
 379                                 if (mm.name.equals(newMirrorMaker.name)) {
 380                                         exists = true;
 381                                         logger.info("MirrorMaker already exist for:" + newMirrorMaker.name);
 382                                         return;
 383                                 }
 384                         }
 385                 }
 386                 logger.info("Adding new MirrorMaker:" + newMirrorMaker.name);
 387                 if (exists == false && mirrorMakers != null) {
 388                         mirrorMakers.getListMirrorMaker().add(newMirrorMaker);
 389                 } else if (exists == false && mirrorMakers == null) {
 390                         mirrorMakers = new ListMirrorMaker();
 391                         ArrayList<MirrorMaker> list = mirrorMakers.getListMirrorMaker();
 392                         list = new ArrayList<MirrorMaker>();
 393                         list.add(newMirrorMaker);
 394                         mirrorMakers.setListMirrorMaker(list);
 395                 }
 396                 checkPropertiesFile(newMirrorMaker.name, "consumer", newMirrorMaker.consumer, true);
 397                 checkPropertiesFile(newMirrorMaker.name, "producer", newMirrorMaker.producer, true);
 398
 399                 Gson g = new Gson();
 400                 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
 401                 OutputStream out = null;
 402                 try {
 403                         out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
 404                         mirrorMakerProperties.store(out, "");
 405                 } catch (IOException ex) {
 406                         ex.printStackTrace();
 407                 } finally {
 408                         if (out != null) {
 409                                 try {
 410                                         out.close();
 411                                 } catch (IOException e) {
 412                                         e.printStackTrace();
 413                                 }
 414                         }
 415                 }
 416         }
 417
 418         private void updateMirrorMaker(MirrorMaker newMirrorMaker) {
 419                 boolean exists = false;
 420                 if (mirrorMakers != null) {
 421                         int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
 422                         for (int i = 0; i < mirrorMakersCount; i++) {
 423                                 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
 424                                 if (mm.name.equals(newMirrorMaker.name)) {
 425                                         exists = true;
 426                                         mm.setConsumer(newMirrorMaker.getConsumer());
 427                                         mm.setProducer(newMirrorMaker.getProducer());
 428                                         mirrorMakers.getListMirrorMaker().set(i, mm);
 429                                         logger.info("Updating MirrorMaker:" + newMirrorMaker.name);
 430                                 }
 431                         }
 432                 }
 433                 if (exists) {
 434                         checkPropertiesFile(newMirrorMaker.name, "consumer", newMirrorMaker.consumer, true);
 435                         checkPropertiesFile(newMirrorMaker.name, "producer", newMirrorMaker.producer, true);
 436
 437                         Gson g = new Gson();
 438                         mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
 439                         OutputStream out = null;
 440                         try {
 441                                 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
 442                                 mirrorMakerProperties.store(out, "");
 443                                 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
 444                                 try {
 445                                         Thread.sleep(1000);
 446                                 } catch (InterruptedException e) {
 447                                         logger.log(Level.WARN, "Interrupted!", e);
 448                                         Thread.currentThread().interrupt();
 449                                 }
 450                         } catch (IOException ex) {
 451                                 logger.error(" IOException Occered " + ex);
 452                         } finally {
 453                                 if (out != null) {
 454                                         try {
 455                                                 out.close();
 456                                         } catch (IOException e) {
 457                                                 logger.error(" IOException Occered " + e);
 458                                         }
 459                                 }
 460                         }
 461                 } else {
 462                         logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
 463                 }
 464         }
 465
 466         private void updateWhiteList(MirrorMaker newMirrorMaker) {
 467                 boolean exists = false;
 468                 if (mirrorMakers != null) {
 469                         int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
 470                         for (int i = 0; i < mirrorMakersCount; i++) {
 471                                 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
 472                                 if (mm.name.equals(newMirrorMaker.name)) {
 473                                         exists = true;
 474                                         mm.setWhitelist(newMirrorMaker.whitelist);
 475                                         mirrorMakers.getListMirrorMaker().set(i, mm);
 476                                         logger.info("Updating MirrorMaker WhiteList:" + newMirrorMaker.name + " WhiteList:"
 477                                                         + newMirrorMaker.whitelist);
 478                                 }
 479                         }
 480                 }
 481                 if (exists) {
 482                         Gson g = new Gson();
 483                         mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
 484                         OutputStream out = null;
 485                         try {
 486                                 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
 487                                 mirrorMakerProperties.store(out, "");
 488                                 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
 489                                 try {
 490                                         Thread.sleep(1000);
 491                                 } catch (InterruptedException e) {
 492                                 }
 493                         } catch (IOException ex) {
 494                                 ex.printStackTrace();
 495                         } finally {
 496                                 if (out != null) {
 497                                         try {
 498                                                 out.close();
 499                                         } catch (IOException e) {
 500                                                 e.printStackTrace();
 501                                                 logger.error("IOException occered " + e);
 502                                         }
 503                                 }
 504                         }
 505                 } else {
 506                         logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
 507                 }
 508         }
 509
 510         private void deleteMirrorMaker(MirrorMaker newMirrorMaker) {
 511                 boolean exists = false;
 512                 if (mirrorMakers != null) {
 513                         int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
 514                         for (int i = 0; i < mirrorMakersCount; i++) {
 515                                 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
 516                                 if (mm.name.equals(newMirrorMaker.name)) {
 517                                         exists = true;
 518                                         mirrorMakers.getListMirrorMaker().remove(i);
 519                                         logger.info("Removing MirrorMaker:" + newMirrorMaker.name);
 520                                         i = mirrorMakersCount;
 521                                 }
 522                         }
 523                 }
 524                 if (exists) {
 525                         try {
 526                                 String path = mmagenthome + "/etc/" + newMirrorMaker.name + "consumer" + ".properties";
 527                                 File file = new File(path);
 528                                 file.delete();
 529                         } catch (Exception ex) {
 530                         }
 531                         try {
 532                                 String path = mmagenthome + "/etc/" + newMirrorMaker.name + "producer" + ".properties";
 533                                 File file = new File(path);
 534                                 file.delete();
 535                         } catch (Exception ex) {
 536                         }
 537                         Gson g = new Gson();
 538                         mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
 539                         OutputStream out = null;
 540                         try {
 541                                 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
 542                                 mirrorMakerProperties.store(out, "");
 543                                 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
 544                         } catch (IOException ex) {
 545                                 ex.printStackTrace();
 546                         } finally {
 547                                 if (out != null) {
 548                                         try {
 549                                                 out.close();
 550                                         } catch (IOException e) {
 551                                                 e.printStackTrace();
 552                                         }
 553                                 }
 554                         }
 555                 } else {
 556                         logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
 557                 }
 558         }
 559
 560         private void loadProperties() {
 561                 InputStream input = null;
 562                 try {
 563
 564                         input = new FileInputStream(mmagenthome + "/etc/mmagent.config");
 565                         mirrorMakerProperties.load(input);
 566                         Gson g = new Gson();
 567                         if (mirrorMakerProperties.getProperty("mirrormakers") == null) {
 568                                 this.mirrorMakers = new ListMirrorMaker();
 569                                 ArrayList<MirrorMaker> list = this.mirrorMakers.getListMirrorMaker();
 570                                 list = new ArrayList<MirrorMaker>();
 571                                 this.mirrorMakers.setListMirrorMaker(list);
 572                         } else {
 573                                 this.mirrorMakers = g.fromJson(mirrorMakerProperties.getProperty("mirrormakers"),
 574                                                 ListMirrorMaker.class);
 575                         }
 576
 577                         this.kafkahome = mirrorMakerProperties.getProperty("kafkahome");
 578                         this.topicURL = mirrorMakerProperties.getProperty("topicURL");
 579                         this.topicname = mirrorMakerProperties.getProperty("topicname");
 580                         this.mechid = mirrorMakerProperties.getProperty("mechid");
 581
 582                         BasicTextEncryptor textEncryptor = new BasicTextEncryptor();
 583                         textEncryptor.setPassword(secret);
 584                         //this.password = textEncryptor.decrypt(mirrorMakerProperties.getProperty("password"));
 585                         this.password = mirrorMakerProperties.getProperty("password");
 586                 } catch (IOException ex) {
 587                         // ex.printStackTrace();
 588                 } finally {
 589                         if (input != null) {
 590                                 try {
 591                                         input.close();
 592                                 } catch (IOException e) {
 593                                         // e.printStackTrace();
 594                                 }
 595                         }
 596                 }
 597
 598         }
 599 }