1 /*******************************************************************************
2 * ============LICENSE_START=======================================================
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
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=========================================================
19 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
21 *******************************************************************************/
23 package com.att.nsa.dmaapMMAgent;
25 import java.io.BufferedReader;
26 import java.io.DataOutputStream;
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;
36 import java.util.ArrayList;
37 import java.util.Properties;
39 import org.apache.log4j.Logger;
40 import org.jasypt.util.text.BasicTextEncryptor;
42 import com.att.nsa.dmaapMMAgent.dao.CreateMirrorMaker;
43 import com.att.nsa.dmaapMMAgent.dao.DeleteMirrorMaker;
44 import com.att.nsa.dmaapMMAgent.dao.ListMirrorMaker;
45 import com.att.nsa.dmaapMMAgent.dao.MirrorMaker;
46 import com.att.nsa.dmaapMMAgent.dao.UpdateMirrorMaker;
47 import com.att.nsa.dmaapMMAgent.dao.UpdateWhiteList;
48 import com.att.nsa.dmaapMMAgent.utils.MirrorMakerProcessHandler;
49 import com.google.gson.Gson;
50 import com.google.gson.internal.LinkedTreeMap;
51 import com.sun.org.apache.xerces.internal.impl.dtd.models.CMAny;
52 import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;
54 public class MirrorMakerAgent {
55 static final Logger logger = Logger.getLogger(MirrorMakerAgent.class);
56 Properties mirrorMakerProperties = new Properties();
57 ListMirrorMaker mirrorMakers = null;
58 String mmagenthome = "";
59 String kafkahome = "";
61 String topicname = "";
64 private static String secret = "utdfpWlgyDQ2ZB8SLVRtmN834I1JcT9J";
66 public static void main(String[] args) {
67 if (args != null && args.length == 2) {
68 if (args[0].equals("-encrypt")) {
69 BasicTextEncryptor textEncryptor = new BasicTextEncryptor();
70 textEncryptor.setPassword(secret);
71 String plainText = textEncryptor.encrypt(args[1]);
72 System.out.println("Encrypted Password is :" + plainText);
75 } else if (args != null && args.length > 0) {
77 "Usage: ./mmagent to run with the configuration \n -encrypt <password> to Encrypt Password for config ");
80 MirrorMakerAgent agent = new MirrorMakerAgent();
81 if (agent.checkStartup()) {
82 logger.info("mmagent started, loading properties");
83 agent.checkAgentProcess();
84 agent.readAgentTopic();
87 "ERROR: mmagent startup unsuccessful, please make sure the mmagenthome /etc/mmagent.config is set and mechid have the rights to the topic");
91 private boolean checkStartup() {
92 FileInputStream input = null;
94 this.mmagenthome = System.getProperty("MMAGENTHOME");
95 input = new FileInputStream(mmagenthome + "/etc/mmagent.config");
96 logger.info("mmagenthome is set :" + mmagenthome + " loading properties at /etc/mmagent.config");
97 } catch (IOException ex) {
98 logger.error(mmagenthome + "/etc/mmagent.config not found. Set -DMMAGENTHOME and check the config file" + ex);
104 } catch (IOException e) {
105 logger.error("IOException" + e);
112 /*input = new FileInputStream(kafkahome + "/bin/kafka-run-class.sh");*/
114 throw new IOException();
116 logger.info("kakahome is set :" + kafkahome);
117 } catch (IOException ex) {
118 logger.error(kafkahome + "/bin/kafka-run-class.sh not found. Make sure kafka home is set correctly" + ex);
124 } catch (IOException e) {
125 logger.error("IOException" + e);
129 String response = publishTopic("{\"test\":\"test\"}");
130 if (response.startsWith("ERROR:")) {
131 logger.error("Problem publishing to topic, please verify the config " + this.topicname + " MR URL is:"
132 + this.topicURL + " Error is: " + response);
135 logger.info("Published to Topic :" + this.topicname + " Successfully");
136 response = subscribeTopic("1");
137 if (response != null && response.startsWith("ERROR:")) {
138 logger.error("Problem subscribing to topic, please verify the config " + this.topicname + " MR URL is:"
139 + this.topicURL + " Error is: " + response);
142 logger.info("Subscribed to Topic :" + this.topicname + " Successfully");
146 private void checkPropertiesFile(String agentName, String propName, String info, boolean refresh) {
147 InputStream input = null;
148 OutputStream out = null;
151 throw new IOException();
153 input = new FileInputStream(mmagenthome + "/etc/" + agentName + propName + ".properties");
154 } catch (IOException ex) {
156 input = new FileInputStream(mmagenthome + "/etc/" + propName + ".properties");
157 Properties prop = new Properties();
159 if (propName.equals("consumer")) {
160 prop.setProperty("group.id", agentName);
161 prop.setProperty("zookeeper.connect", info);
163 prop.setProperty("metadata.broker.list", info);
165 out = new FileOutputStream(mmagenthome + "/etc/" + agentName + propName + ".properties");
168 } catch (Exception e) {
169 logger.error("Exception at checkPropertiesFile " +e);
175 } catch (IOException e) {
182 } catch (IOException e) {
184 logger.error("IOException" + e);
190 private void checkAgentProcess() {
191 logger.info("Checking MirrorMaker Process");
192 if (mirrorMakers != null) {
193 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
194 for (int i = 0; i < mirrorMakersCount; i++) {
195 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
196 if (MirrorMakerProcessHandler.checkMirrorMakerProcess(mm.name) == false) {
197 checkPropertiesFile(mm.name, "consumer", mm.consumer, false);
198 checkPropertiesFile(mm.name, "producer", mm.producer, false);
200 if (mm.whitelist != null && !mm.whitelist.equals("")) {
201 logger.info("MirrorMaker " + mm.name + " is not running, restarting. Check Logs for more Details");
202 MirrorMakerProcessHandler.startMirrorMaker(this.mmagenthome, this.kafkahome, mm.name,
203 mmagenthome + "/etc/" + mm.name + "consumer.properties",
204 mmagenthome + "/etc/" + mm.name + "producer.properties", mm.whitelist);
205 mm.setStatus("RESTARTING");
208 logger.info("MirrorMaker " + mm.name + " is STOPPED");
209 mm.setStatus("STOPPED");
213 } catch (InterruptedException e) {
215 mirrorMakers.getListMirrorMaker().set(i, mm);
217 logger.info("MirrorMaker " + mm.name + " is running");
218 mm.setStatus("RUNNING");
219 mirrorMakers.getListMirrorMaker().set(i, mm);
223 // Gson g = new Gson();
224 // System.out.println(g.toJson(mirrorMakers));
227 private String subscribeTopic(String timeout) {
228 String response = "";
230 String requestURL = this.topicURL + "/events/" + this.topicname + "/mirrormakeragent/1?timeout=" + timeout
232 String authString = this.mechid + ":" + this.password;
233 String authStringEnc = Base64.encode(authString.getBytes());
234 URL url = new URL(requestURL);
235 HttpURLConnection connection = (HttpURLConnection) url.openConnection();
236 connection.setRequestMethod("GET");
237 connection.setDoOutput(true);
238 connection.setRequestProperty("Authorization", "Basic " + authStringEnc);
239 connection.setRequestProperty("Content-Type", "application/json");
240 InputStream content = (InputStream) connection.getInputStream();
241 BufferedReader in = new BufferedReader(new InputStreamReader(content));
244 while ((line = in.readLine()) != null) {
245 response = response + line;
248 // get message as JSON String Array
249 String[] topicMessage = g.fromJson(response, String[].class);
250 if (topicMessage.length != 0) {
251 return topicMessage[0];
253 } catch (Exception e) {
254 return "ERROR:" + e.getMessage() + " Server Response is:" + response;
259 private String publishTopic(String message) {
261 String requestURL = this.topicURL + "/events/" + this.topicname;
262 String authString = this.mechid + ":" + this.password;
263 String authStringEnc = Base64.encode(authString.getBytes());
264 URL url = new URL(requestURL);
265 HttpURLConnection connection = (HttpURLConnection) url.openConnection();
266 connection.setRequestMethod("POST");
267 connection.setDoOutput(true);
268 connection.setRequestProperty("Authorization", "Basic " + authStringEnc);
269 connection.setRequestProperty("Content-Type", "application/json");
270 connection.setRequestProperty("Content-Length", Integer.toString(message.length()));
271 DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
272 wr.write(message.getBytes());
274 InputStream content = (InputStream) connection.getInputStream();
275 BufferedReader in = new BufferedReader(new InputStreamReader(content));
277 String response = "";
278 while ((line = in.readLine()) != null) {
279 response = response + line;
283 } catch (Exception e) {
284 return "ERROR:" + e.getLocalizedMessage();
288 private void readAgentTopic() {
290 int connectionattempt = 0;
292 logger.info("--------------------------------");
293 logger.info("Waiting for Messages for 60 secs");
294 String topicMessage = subscribeTopic("60000");
296 LinkedTreeMap<?, ?> object = null;
297 if (topicMessage != null) {
299 object = g.fromJson(topicMessage, LinkedTreeMap.class);
301 // Cast the 1st item (since limit=1 and see the type of
303 if (object.get("createMirrorMaker") != null) {
304 logger.info("Received createMirrorMaker request from topic");
305 CreateMirrorMaker m = g.fromJson(topicMessage, CreateMirrorMaker.class);
306 createMirrorMaker(m.getCreateMirrorMaker());
308 mirrorMakers.setMessageID(m.getMessageID());
309 publishTopic(g.toJson(mirrorMakers));
310 mirrorMakers.setMessageID("");
311 } else if (object.get("updateMirrorMaker") != null) {
312 logger.info("Received updateMirrorMaker request from topic");
313 UpdateMirrorMaker m = g.fromJson(topicMessage, UpdateMirrorMaker.class);
314 updateMirrorMaker(m.getUpdateMirrorMaker());
316 mirrorMakers.setMessageID(m.getMessageID());
317 publishTopic(g.toJson(mirrorMakers));
318 mirrorMakers.setMessageID("");
319 } else if (object.get("deleteMirrorMaker") != null) {
320 logger.info("Received deleteMirrorMaker request from topic");
321 DeleteMirrorMaker m = g.fromJson(topicMessage, DeleteMirrorMaker.class);
322 deleteMirrorMaker(m.getDeleteMirrorMaker());
324 mirrorMakers.setMessageID(m.getMessageID());
325 publishTopic(g.toJson(mirrorMakers));
326 mirrorMakers.setMessageID("");
327 } else if (object.get("listAllMirrorMaker") != null) {
328 logger.info("Received listALLMirrorMaker request from topic");
330 mirrorMakers.setMessageID((String) object.get("messageID"));
331 publishTopic(g.toJson(mirrorMakers));
332 mirrorMakers.setMessageID("");
333 } else if (object.get("updateWhiteList") != null) {
334 logger.info("Received updateWhiteList request from topic");
335 UpdateWhiteList m = g.fromJson(topicMessage, UpdateWhiteList.class);
336 updateWhiteList(m.getUpdateWhiteList());
338 mirrorMakers.setMessageID(m.getMessageID());
339 publishTopic(g.toJson(mirrorMakers));
340 mirrorMakers.setMessageID("");
341 } else if (object.get("listMirrorMaker") != null) {
342 logger.info("Received listMirrorMaker from topic, skipping messages");
344 logger.info("Received unknown request from topic");
346 } catch (Exception ex) {
348 if (connectionattempt > 5) {
349 logger.info("Can't connect to the topic, mmagent shutting down , " + topicMessage);
352 logger.info("Can't connect to the topic, " + topicMessage + " Retrying " + connectionattempt
353 + " of 5 times in 1 minute" + " Error:" + ex.getLocalizedMessage());
357 // Check all MirrorMaker every min
358 connectionattempt = 0;
363 } catch (Exception e) {
369 protected void createMirrorMaker(MirrorMaker newMirrorMaker) {
370 boolean exists = false;
371 if (mirrorMakers != null) {
372 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
373 for (int i = 0; i < mirrorMakersCount; i++) {
374 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
375 if (mm.name.equals(newMirrorMaker.name)) {
377 logger.info("MirrorMaker already exist for:" + newMirrorMaker.name);
382 logger.info("Adding new MirrorMaker:" + newMirrorMaker.name);
383 if (exists == false && mirrorMakers != null) {
384 mirrorMakers.getListMirrorMaker().add(newMirrorMaker);
385 } else if (exists == false && mirrorMakers == null) {
386 mirrorMakers = new ListMirrorMaker();
387 ArrayList<MirrorMaker> list = mirrorMakers.getListMirrorMaker();
388 list = new ArrayList<MirrorMaker>();
389 list.add(newMirrorMaker);
390 mirrorMakers.setListMirrorMaker(list);
392 checkPropertiesFile(newMirrorMaker.name, "consumer", newMirrorMaker.consumer, true);
393 checkPropertiesFile(newMirrorMaker.name, "producer", newMirrorMaker.producer, true);
396 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
397 OutputStream out = null;
399 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
400 mirrorMakerProperties.store(out, "");
401 } catch (IOException ex) {
402 ex.printStackTrace();
407 } catch (IOException e) {
414 private void updateMirrorMaker(MirrorMaker newMirrorMaker) {
415 boolean exists = false;
416 if (mirrorMakers != null) {
417 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
418 for (int i = 0; i < mirrorMakersCount; i++) {
419 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
420 if (mm.name.equals(newMirrorMaker.name)) {
422 mm.setConsumer(newMirrorMaker.getConsumer());
423 mm.setProducer(newMirrorMaker.getProducer());
424 mirrorMakers.getListMirrorMaker().set(i, mm);
425 logger.info("Updating MirrorMaker:" + newMirrorMaker.name);
430 checkPropertiesFile(newMirrorMaker.name, "consumer", newMirrorMaker.consumer, true);
431 checkPropertiesFile(newMirrorMaker.name, "producer", newMirrorMaker.producer, true);
434 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
435 OutputStream out = null;
437 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
438 mirrorMakerProperties.store(out, "");
439 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
442 } catch (InterruptedException e) {
444 } catch (IOException ex) {
445 ex.printStackTrace();
450 } catch (IOException e) {
456 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
460 private void updateWhiteList(MirrorMaker newMirrorMaker) {
461 boolean exists = false;
462 if (mirrorMakers != null) {
463 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
464 for (int i = 0; i < mirrorMakersCount; i++) {
465 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
466 if (mm.name.equals(newMirrorMaker.name)) {
468 mm.setWhitelist(newMirrorMaker.whitelist);
469 mirrorMakers.getListMirrorMaker().set(i, mm);
470 logger.info("Updating MirrorMaker WhiteList:" + newMirrorMaker.name + " WhiteList:"
471 + newMirrorMaker.whitelist);
477 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
478 OutputStream out = null;
480 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
481 mirrorMakerProperties.store(out, "");
482 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
485 } catch (InterruptedException e) {
487 } catch (IOException ex) {
488 ex.printStackTrace();
493 } catch (IOException e) {
499 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
503 private void deleteMirrorMaker(MirrorMaker newMirrorMaker) {
504 boolean exists = false;
505 if (mirrorMakers != null) {
506 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
507 for (int i = 0; i < mirrorMakersCount; i++) {
508 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
509 if (mm.name.equals(newMirrorMaker.name)) {
511 mirrorMakers.getListMirrorMaker().remove(i);
512 logger.info("Removing MirrorMaker:" + newMirrorMaker.name);
513 i = mirrorMakersCount;
519 String path = mmagenthome + "/etc/" + newMirrorMaker.name + "consumer" + ".properties";
520 File file = new File(path);
522 } catch (Exception ex) {
525 String path = mmagenthome + "/etc/" + newMirrorMaker.name + "producer" + ".properties";
526 File file = new File(path);
528 } catch (Exception ex) {
531 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
532 OutputStream out = null;
534 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
535 mirrorMakerProperties.store(out, "");
536 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
537 } catch (IOException ex) {
538 ex.printStackTrace();
543 } catch (IOException e) {
549 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
553 private void loadProperties() {
554 InputStream input = null;
557 input = new FileInputStream(mmagenthome + "/etc/mmagent.config");
558 mirrorMakerProperties.load(input);
560 if (mirrorMakerProperties.getProperty("mirrormakers") == null) {
561 this.mirrorMakers = new ListMirrorMaker();
562 ArrayList<MirrorMaker> list = this.mirrorMakers.getListMirrorMaker();
563 list = new ArrayList<MirrorMaker>();
564 this.mirrorMakers.setListMirrorMaker(list);
566 this.mirrorMakers = g.fromJson(mirrorMakerProperties.getProperty("mirrormakers"),
567 ListMirrorMaker.class);
570 this.kafkahome = mirrorMakerProperties.getProperty("kafkahome");
571 this.topicURL = mirrorMakerProperties.getProperty("topicURL");
572 this.topicname = mirrorMakerProperties.getProperty("topicname");
573 this.mechid = mirrorMakerProperties.getProperty("mechid");
575 BasicTextEncryptor textEncryptor = new BasicTextEncryptor();
576 textEncryptor.setPassword(secret);
577 //this.password = textEncryptor.decrypt(mirrorMakerProperties.getProperty("password"));
578 this.password = mirrorMakerProperties.getProperty("password");
579 } catch (IOException ex) {
580 // ex.printStackTrace();
585 } catch (IOException e) {
586 // e.printStackTrace();