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.Level;
40 import org.apache.log4j.Logger;
41 import org.jasypt.util.text.BasicTextEncryptor;
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;
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 = "";
62 String topicname = "";
65 private static String secret = "utdfpWlgyDQ2ZB8SLVRtmN834I1JcT9J";
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);
76 } else if (args != null && args.length > 0) {
78 "Usage: ./mmagent to run with the configuration \n -encrypt <password> to Encrypt Password for config ");
81 MirrorMakerAgent agent = new MirrorMakerAgent();
82 if (agent.checkStartup()) {
83 logger.info("mmagent started, loading properties");
84 agent.checkAgentProcess();
85 agent.readAgentTopic();
88 "ERROR: mmagent startup unsuccessful, please make sure the mmagenthome /etc/mmagent.config is set and mechid have the rights to the topic");
92 private boolean checkStartup() {
93 FileInputStream input = null;
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);
105 } catch (IOException e) {
106 logger.error(" IOException occers " + e);
113 /*input = new FileInputStream(kafkahome + "/bin/kafka-run-class.sh");*/
115 throw new IOException();
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);
125 } catch (IOException e) {
126 logger.error("IOException" + e);
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);
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);
143 logger.info("Subscribed to Topic :" + this.topicname + " Successfully");
147 private void checkPropertiesFile(String agentName, String propName, String info, boolean refresh) {
148 InputStream input = null;
149 OutputStream out = null;
152 throw new IOException();
154 input = new FileInputStream(mmagenthome + "/etc/" + agentName + propName + ".properties");
155 } catch (IOException ex) {
156 logger.error(" IOException will be handled " + ex);
158 input = new FileInputStream(mmagenthome + "/etc/" + propName + ".properties");
159 Properties prop = new Properties();
161 if (propName.equals("consumer")) {
162 prop.setProperty("group.id", agentName);
163 prop.setProperty("zookeeper.connect", info);
165 prop.setProperty("metadata.broker.list", info);
167 out = new FileOutputStream(mmagenthome + "/etc/" + agentName + propName + ".properties");
170 } catch (Exception e) {
171 logger.error("Exception at checkPropertiesFile " +e);
177 } catch (IOException e) {
184 } catch (IOException e) {
186 logger.error("IOException" + e);
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);
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");
210 logger.info("MirrorMaker " + mm.name + " is STOPPED");
211 mm.setStatus("STOPPED");
215 } catch (InterruptedException e) {
217 mirrorMakers.getListMirrorMaker().set(i, mm);
219 logger.info("MirrorMaker " + mm.name + " is running");
220 mm.setStatus("RUNNING");
221 mirrorMakers.getListMirrorMaker().set(i, mm);
225 // Gson g = new Gson();
226 // System.out.println(g.toJson(mirrorMakers));
229 private String subscribeTopic(String timeout) {
230 String response = "";
232 String requestURL = this.topicURL + "/events/" + this.topicname + "/mirrormakeragent/1?timeout=" + timeout
234 String authString = this.mechid + ":" + this.password;
235 String authStringEnc = Base64.encode(authString.getBytes());
236 URL url = new URL(requestURL);
237 HttpURLConnection connection = (HttpURLConnection) url.openConnection();
238 connection.setRequestMethod("GET");
239 connection.setDoOutput(true);
240 connection.setRequestProperty("Authorization", "Basic " + authStringEnc);
241 connection.setRequestProperty("Content-Type", "application/json");
242 InputStream content = (InputStream) connection.getInputStream();
243 BufferedReader in = new BufferedReader(new InputStreamReader(content));
246 while ((line = in.readLine()) != null) {
247 response = response + line;
250 // get message as JSON String Array
251 String[] topicMessage = g.fromJson(response, String[].class);
252 if (topicMessage.length != 0) {
253 return topicMessage[0];
255 } catch (Exception e) {
256 return "ERROR:" + e.getMessage() + " Server Response is:" + response;
261 private String publishTopic(String message) {
263 String requestURL = this.topicURL + "/events/" + this.topicname;
264 String authString = this.mechid + ":" + this.password;
265 String authStringEnc = Base64.encode(authString.getBytes());
266 URL url = new URL(requestURL);
267 HttpURLConnection connection = (HttpURLConnection) url.openConnection();
268 connection.setRequestMethod("POST");
269 connection.setDoOutput(true);
270 connection.setRequestProperty("Authorization", "Basic " + authStringEnc);
271 connection.setRequestProperty("Content-Type", "application/json");
272 connection.setRequestProperty("Content-Length", Integer.toString(message.length()));
273 DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
274 wr.write(message.getBytes());
276 InputStream content = (InputStream) connection.getInputStream();
277 BufferedReader in = new BufferedReader(new InputStreamReader(content));
279 String response = "";
280 while ((line = in.readLine()) != null) {
281 response = response + line;
285 } catch (Exception e) {
286 return "ERROR:" + e.getLocalizedMessage();
290 private void readAgentTopic() {
292 int connectionattempt = 0;
294 logger.info("--------------------------------");
295 logger.info("Waiting for Messages for 60 secs");
296 String topicMessage = subscribeTopic("60000");
298 LinkedTreeMap<?, ?> object = null;
299 if (topicMessage != null) {
301 object = g.fromJson(topicMessage, LinkedTreeMap.class);
303 // Cast the 1st item (since limit=1 and see the type of
305 if (object.get("createMirrorMaker") != null) {
306 logger.info("Received createMirrorMaker request from topic");
307 CreateMirrorMaker m = g.fromJson(topicMessage, CreateMirrorMaker.class);
308 createMirrorMaker(m.getCreateMirrorMaker());
310 mirrorMakers.setMessageID(m.getMessageID());
311 publishTopic(g.toJson(mirrorMakers));
312 mirrorMakers.setMessageID("");
313 } else if (object.get("updateMirrorMaker") != null) {
314 logger.info("Received updateMirrorMaker request from topic");
315 UpdateMirrorMaker m = g.fromJson(topicMessage, UpdateMirrorMaker.class);
316 updateMirrorMaker(m.getUpdateMirrorMaker());
318 mirrorMakers.setMessageID(m.getMessageID());
319 publishTopic(g.toJson(mirrorMakers));
320 mirrorMakers.setMessageID("");
321 } else if (object.get("deleteMirrorMaker") != null) {
322 logger.info("Received deleteMirrorMaker request from topic");
323 DeleteMirrorMaker m = g.fromJson(topicMessage, DeleteMirrorMaker.class);
324 deleteMirrorMaker(m.getDeleteMirrorMaker());
326 mirrorMakers.setMessageID(m.getMessageID());
327 publishTopic(g.toJson(mirrorMakers));
328 mirrorMakers.setMessageID("");
329 } else if (object.get("listAllMirrorMaker") != null) {
330 logger.info("Received listALLMirrorMaker request from topic");
332 mirrorMakers.setMessageID((String) object.get("messageID"));
333 publishTopic(g.toJson(mirrorMakers));
334 mirrorMakers.setMessageID("");
335 } else if (object.get("updateWhiteList") != null) {
336 logger.info("Received updateWhiteList request from topic");
337 UpdateWhiteList m = g.fromJson(topicMessage, UpdateWhiteList.class);
338 updateWhiteList(m.getUpdateWhiteList());
340 mirrorMakers.setMessageID(m.getMessageID());
341 publishTopic(g.toJson(mirrorMakers));
342 mirrorMakers.setMessageID("");
343 } else if (object.get("listMirrorMaker") != null) {
344 logger.info("Received listMirrorMaker from topic, skipping messages");
346 logger.info("Received unknown request from topic");
348 } catch (Exception ex) {
350 if (connectionattempt > 5) {
351 logger.info("Can't connect to the topic, mmagent shutting down , " + topicMessage);
354 logger.info("Can't connect to the topic, " + topicMessage + " Retrying " + connectionattempt
355 + " of 5 times in 1 minute" + " Error:" + ex.getLocalizedMessage());
359 // Check all MirrorMaker every min
360 connectionattempt = 0;
365 } catch (Exception e) {
371 protected void createMirrorMaker(MirrorMaker newMirrorMaker) {
372 boolean exists = false;
373 if (mirrorMakers != null) {
374 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
375 for (int i = 0; i < mirrorMakersCount; i++) {
376 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
377 if (mm.name.equals(newMirrorMaker.name)) {
379 logger.info("MirrorMaker already exist for:" + newMirrorMaker.name);
384 logger.info("Adding new MirrorMaker:" + newMirrorMaker.name);
385 if (exists == false && mirrorMakers != null) {
386 mirrorMakers.getListMirrorMaker().add(newMirrorMaker);
387 } else if (exists == false && mirrorMakers == null) {
388 mirrorMakers = new ListMirrorMaker();
389 ArrayList<MirrorMaker> list = mirrorMakers.getListMirrorMaker();
390 list = new ArrayList<MirrorMaker>();
391 list.add(newMirrorMaker);
392 mirrorMakers.setListMirrorMaker(list);
394 checkPropertiesFile(newMirrorMaker.name, "consumer", newMirrorMaker.consumer, true);
395 checkPropertiesFile(newMirrorMaker.name, "producer", newMirrorMaker.producer, true);
398 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
399 OutputStream out = null;
401 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
402 mirrorMakerProperties.store(out, "");
403 } catch (IOException ex) {
404 ex.printStackTrace();
409 } catch (IOException e) {
416 private void updateMirrorMaker(MirrorMaker newMirrorMaker) {
417 boolean exists = false;
418 if (mirrorMakers != null) {
419 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
420 for (int i = 0; i < mirrorMakersCount; i++) {
421 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
422 if (mm.name.equals(newMirrorMaker.name)) {
424 mm.setConsumer(newMirrorMaker.getConsumer());
425 mm.setProducer(newMirrorMaker.getProducer());
426 mirrorMakers.getListMirrorMaker().set(i, mm);
427 logger.info("Updating MirrorMaker:" + newMirrorMaker.name);
432 checkPropertiesFile(newMirrorMaker.name, "consumer", newMirrorMaker.consumer, true);
433 checkPropertiesFile(newMirrorMaker.name, "producer", newMirrorMaker.producer, true);
436 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
437 OutputStream out = null;
439 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
440 mirrorMakerProperties.store(out, "");
441 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
444 } catch (InterruptedException e) {
445 logger.log(Level.WARN, "Interrupted!", e);
446 Thread.currentThread().interrupt();
448 } catch (IOException ex) {
449 logger.error(" IOException Occered " + ex);
454 } catch (IOException e) {
460 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
464 private void updateWhiteList(MirrorMaker newMirrorMaker) {
465 boolean exists = false;
466 if (mirrorMakers != null) {
467 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
468 for (int i = 0; i < mirrorMakersCount; i++) {
469 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
470 if (mm.name.equals(newMirrorMaker.name)) {
472 mm.setWhitelist(newMirrorMaker.whitelist);
473 mirrorMakers.getListMirrorMaker().set(i, mm);
474 logger.info("Updating MirrorMaker WhiteList:" + newMirrorMaker.name + " WhiteList:"
475 + newMirrorMaker.whitelist);
481 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
482 OutputStream out = null;
484 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
485 mirrorMakerProperties.store(out, "");
486 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
489 } catch (InterruptedException e) {
491 } catch (IOException ex) {
492 ex.printStackTrace();
497 } catch (IOException e) {
499 logger.error("IOException occered " + e);
504 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
508 private void deleteMirrorMaker(MirrorMaker newMirrorMaker) {
509 boolean exists = false;
510 if (mirrorMakers != null) {
511 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
512 for (int i = 0; i < mirrorMakersCount; i++) {
513 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
514 if (mm.name.equals(newMirrorMaker.name)) {
516 mirrorMakers.getListMirrorMaker().remove(i);
517 logger.info("Removing MirrorMaker:" + newMirrorMaker.name);
518 i = mirrorMakersCount;
524 String path = mmagenthome + "/etc/" + newMirrorMaker.name + "consumer" + ".properties";
525 File file = new File(path);
527 } catch (Exception ex) {
530 String path = mmagenthome + "/etc/" + newMirrorMaker.name + "producer" + ".properties";
531 File file = new File(path);
533 } catch (Exception ex) {
536 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
537 OutputStream out = null;
539 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
540 mirrorMakerProperties.store(out, "");
541 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
542 } catch (IOException ex) {
543 ex.printStackTrace();
548 } catch (IOException e) {
554 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
558 private void loadProperties() {
559 InputStream input = null;
562 input = new FileInputStream(mmagenthome + "/etc/mmagent.config");
563 mirrorMakerProperties.load(input);
565 if (mirrorMakerProperties.getProperty("mirrormakers") == null) {
566 this.mirrorMakers = new ListMirrorMaker();
567 ArrayList<MirrorMaker> list = this.mirrorMakers.getListMirrorMaker();
568 list = new ArrayList<MirrorMaker>();
569 this.mirrorMakers.setListMirrorMaker(list);
571 this.mirrorMakers = g.fromJson(mirrorMakerProperties.getProperty("mirrormakers"),
572 ListMirrorMaker.class);
575 this.kafkahome = mirrorMakerProperties.getProperty("kafkahome");
576 this.topicURL = mirrorMakerProperties.getProperty("topicURL");
577 this.topicname = mirrorMakerProperties.getProperty("topicname");
578 this.mechid = mirrorMakerProperties.getProperty("mechid");
580 BasicTextEncryptor textEncryptor = new BasicTextEncryptor();
581 textEncryptor.setPassword(secret);
582 //this.password = textEncryptor.decrypt(mirrorMakerProperties.getProperty("password"));
583 this.password = mirrorMakerProperties.getProperty("password");
584 } catch (IOException ex) {
585 // ex.printStackTrace();
590 } catch (IOException e) {
591 // e.printStackTrace();