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");
124 } catch (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) {
175 } catch (IOException e) {
182 } catch (IOException e) {
189 private void checkAgentProcess() {
190 logger.info("Checking MirrorMaker Process");
191 if (mirrorMakers != null) {
192 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
193 for (int i = 0; i < mirrorMakersCount; i++) {
194 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
195 if (MirrorMakerProcessHandler.checkMirrorMakerProcess(mm.name) == false) {
196 checkPropertiesFile(mm.name, "consumer", mm.consumer, false);
197 checkPropertiesFile(mm.name, "producer", mm.producer, false);
199 if (mm.whitelist != null && !mm.whitelist.equals("")) {
200 logger.info("MirrorMaker " + mm.name + " is not running, restarting. Check Logs for more Details");
201 MirrorMakerProcessHandler.startMirrorMaker(this.mmagenthome, this.kafkahome, mm.name,
202 mmagenthome + "/etc/" + mm.name + "consumer.properties",
203 mmagenthome + "/etc/" + mm.name + "producer.properties", mm.whitelist);
204 mm.setStatus("RESTARTING");
207 logger.info("MirrorMaker " + mm.name + " is STOPPED");
208 mm.setStatus("STOPPED");
212 } catch (InterruptedException e) {
214 mirrorMakers.getListMirrorMaker().set(i, mm);
216 logger.info("MirrorMaker " + mm.name + " is running");
217 mm.setStatus("RUNNING");
218 mirrorMakers.getListMirrorMaker().set(i, mm);
222 // Gson g = new Gson();
223 // System.out.println(g.toJson(mirrorMakers));
226 private String subscribeTopic(String timeout) {
227 String response = "";
229 String requestURL = this.topicURL + "/events/" + this.topicname + "/mirrormakeragent/1?timeout=" + timeout
231 String authString = this.mechid + ":" + this.password;
232 String authStringEnc = Base64.encode(authString.getBytes());
233 URL url = new URL(requestURL);
234 HttpURLConnection connection = (HttpURLConnection) url.openConnection();
235 connection.setRequestMethod("GET");
236 connection.setDoOutput(true);
237 connection.setRequestProperty("Authorization", "Basic " + authStringEnc);
238 connection.setRequestProperty("Content-Type", "application/json");
239 InputStream content = (InputStream) connection.getInputStream();
240 BufferedReader in = new BufferedReader(new InputStreamReader(content));
243 while ((line = in.readLine()) != null) {
244 response = response + line;
247 // get message as JSON String Array
248 String[] topicMessage = g.fromJson(response, String[].class);
249 if (topicMessage.length != 0) {
250 return topicMessage[0];
252 } catch (Exception e) {
253 return "ERROR:" + e.getMessage() + " Server Response is:" + response;
258 private String publishTopic(String message) {
260 String requestURL = this.topicURL + "/events/" + this.topicname;
261 String authString = this.mechid + ":" + this.password;
262 String authStringEnc = Base64.encode(authString.getBytes());
263 URL url = new URL(requestURL);
264 HttpURLConnection connection = (HttpURLConnection) url.openConnection();
265 connection.setRequestMethod("POST");
266 connection.setDoOutput(true);
267 connection.setRequestProperty("Authorization", "Basic " + authStringEnc);
268 connection.setRequestProperty("Content-Type", "application/json");
269 connection.setRequestProperty("Content-Length", Integer.toString(message.length()));
270 DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
271 wr.write(message.getBytes());
273 InputStream content = (InputStream) connection.getInputStream();
274 BufferedReader in = new BufferedReader(new InputStreamReader(content));
276 String response = "";
277 while ((line = in.readLine()) != null) {
278 response = response + line;
282 } catch (Exception e) {
283 return "ERROR:" + e.getLocalizedMessage();
287 private void readAgentTopic() {
289 int connectionattempt = 0;
291 logger.info("--------------------------------");
292 logger.info("Waiting for Messages for 60 secs");
293 String topicMessage = subscribeTopic("60000");
295 LinkedTreeMap<?, ?> object = null;
296 if (topicMessage != null) {
298 object = g.fromJson(topicMessage, LinkedTreeMap.class);
300 // Cast the 1st item (since limit=1 and see the type of
302 if (object.get("createMirrorMaker") != null) {
303 logger.info("Received createMirrorMaker request from topic");
304 CreateMirrorMaker m = g.fromJson(topicMessage, CreateMirrorMaker.class);
305 createMirrorMaker(m.getCreateMirrorMaker());
307 mirrorMakers.setMessageID(m.getMessageID());
308 publishTopic(g.toJson(mirrorMakers));
309 mirrorMakers.setMessageID("");
310 } else if (object.get("updateMirrorMaker") != null) {
311 logger.info("Received updateMirrorMaker request from topic");
312 UpdateMirrorMaker m = g.fromJson(topicMessage, UpdateMirrorMaker.class);
313 updateMirrorMaker(m.getUpdateMirrorMaker());
315 mirrorMakers.setMessageID(m.getMessageID());
316 publishTopic(g.toJson(mirrorMakers));
317 mirrorMakers.setMessageID("");
318 } else if (object.get("deleteMirrorMaker") != null) {
319 logger.info("Received deleteMirrorMaker request from topic");
320 DeleteMirrorMaker m = g.fromJson(topicMessage, DeleteMirrorMaker.class);
321 deleteMirrorMaker(m.getDeleteMirrorMaker());
323 mirrorMakers.setMessageID(m.getMessageID());
324 publishTopic(g.toJson(mirrorMakers));
325 mirrorMakers.setMessageID("");
326 } else if (object.get("listAllMirrorMaker") != null) {
327 logger.info("Received listALLMirrorMaker request from topic");
329 mirrorMakers.setMessageID((String) object.get("messageID"));
330 publishTopic(g.toJson(mirrorMakers));
331 mirrorMakers.setMessageID("");
332 } else if (object.get("updateWhiteList") != null) {
333 logger.info("Received updateWhiteList request from topic");
334 UpdateWhiteList m = g.fromJson(topicMessage, UpdateWhiteList.class);
335 updateWhiteList(m.getUpdateWhiteList());
337 mirrorMakers.setMessageID(m.getMessageID());
338 publishTopic(g.toJson(mirrorMakers));
339 mirrorMakers.setMessageID("");
340 } else if (object.get("listMirrorMaker") != null) {
341 logger.info("Received listMirrorMaker from topic, skipping messages");
343 logger.info("Received unknown request from topic");
345 } catch (Exception ex) {
347 if (connectionattempt > 5) {
348 logger.info("Can't connect to the topic, mmagent shutting down , " + topicMessage);
351 logger.info("Can't connect to the topic, " + topicMessage + " Retrying " + connectionattempt
352 + " of 5 times in 1 minute" + " Error:" + ex.getLocalizedMessage());
356 // Check all MirrorMaker every min
357 connectionattempt = 0;
362 } catch (Exception e) {
368 protected void createMirrorMaker(MirrorMaker newMirrorMaker) {
369 boolean exists = false;
370 if (mirrorMakers != null) {
371 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
372 for (int i = 0; i < mirrorMakersCount; i++) {
373 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
374 if (mm.name.equals(newMirrorMaker.name)) {
376 logger.info("MirrorMaker already exist for:" + newMirrorMaker.name);
381 logger.info("Adding new MirrorMaker:" + newMirrorMaker.name);
382 if (exists == false && mirrorMakers != null) {
383 mirrorMakers.getListMirrorMaker().add(newMirrorMaker);
384 } else if (exists == false && mirrorMakers == null) {
385 mirrorMakers = new ListMirrorMaker();
386 ArrayList<MirrorMaker> list = mirrorMakers.getListMirrorMaker();
387 list = new ArrayList<MirrorMaker>();
388 list.add(newMirrorMaker);
389 mirrorMakers.setListMirrorMaker(list);
391 checkPropertiesFile(newMirrorMaker.name, "consumer", newMirrorMaker.consumer, true);
392 checkPropertiesFile(newMirrorMaker.name, "producer", newMirrorMaker.producer, true);
395 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
396 OutputStream out = null;
398 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
399 mirrorMakerProperties.store(out, "");
400 } catch (IOException ex) {
401 ex.printStackTrace();
406 } catch (IOException e) {
413 private void updateMirrorMaker(MirrorMaker newMirrorMaker) {
414 boolean exists = false;
415 if (mirrorMakers != null) {
416 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
417 for (int i = 0; i < mirrorMakersCount; i++) {
418 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
419 if (mm.name.equals(newMirrorMaker.name)) {
421 mm.setConsumer(newMirrorMaker.getConsumer());
422 mm.setProducer(newMirrorMaker.getProducer());
423 mirrorMakers.getListMirrorMaker().set(i, mm);
424 logger.info("Updating MirrorMaker:" + newMirrorMaker.name);
429 checkPropertiesFile(newMirrorMaker.name, "consumer", newMirrorMaker.consumer, true);
430 checkPropertiesFile(newMirrorMaker.name, "producer", newMirrorMaker.producer, true);
433 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
434 OutputStream out = null;
436 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
437 mirrorMakerProperties.store(out, "");
438 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
441 } catch (InterruptedException e) {
443 } catch (IOException ex) {
444 ex.printStackTrace();
449 } catch (IOException e) {
455 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
459 private void updateWhiteList(MirrorMaker newMirrorMaker) {
460 boolean exists = false;
461 if (mirrorMakers != null) {
462 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
463 for (int i = 0; i < mirrorMakersCount; i++) {
464 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
465 if (mm.name.equals(newMirrorMaker.name)) {
467 mm.setWhitelist(newMirrorMaker.whitelist);
468 mirrorMakers.getListMirrorMaker().set(i, mm);
469 logger.info("Updating MirrorMaker WhiteList:" + newMirrorMaker.name + " WhiteList:"
470 + newMirrorMaker.whitelist);
476 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
477 OutputStream out = null;
479 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
480 mirrorMakerProperties.store(out, "");
481 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
484 } catch (InterruptedException e) {
486 } catch (IOException ex) {
487 ex.printStackTrace();
492 } catch (IOException e) {
498 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
502 private void deleteMirrorMaker(MirrorMaker newMirrorMaker) {
503 boolean exists = false;
504 if (mirrorMakers != null) {
505 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
506 for (int i = 0; i < mirrorMakersCount; i++) {
507 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
508 if (mm.name.equals(newMirrorMaker.name)) {
510 mirrorMakers.getListMirrorMaker().remove(i);
511 logger.info("Removing MirrorMaker:" + newMirrorMaker.name);
512 i = mirrorMakersCount;
518 String path = mmagenthome + "/etc/" + newMirrorMaker.name + "consumer" + ".properties";
519 File file = new File(path);
521 } catch (Exception ex) {
524 String path = mmagenthome + "/etc/" + newMirrorMaker.name + "producer" + ".properties";
525 File file = new File(path);
527 } catch (Exception ex) {
530 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
531 OutputStream out = null;
533 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
534 mirrorMakerProperties.store(out, "");
535 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
536 } catch (IOException ex) {
537 ex.printStackTrace();
542 } catch (IOException e) {
548 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
552 private void loadProperties() {
553 InputStream input = null;
556 input = new FileInputStream(mmagenthome + "/etc/mmagent.config");
557 mirrorMakerProperties.load(input);
559 if (mirrorMakerProperties.getProperty("mirrormakers") == null) {
560 this.mirrorMakers = new ListMirrorMaker();
561 ArrayList<MirrorMaker> list = this.mirrorMakers.getListMirrorMaker();
562 list = new ArrayList<MirrorMaker>();
563 this.mirrorMakers.setListMirrorMaker(list);
565 this.mirrorMakers = g.fromJson(mirrorMakerProperties.getProperty("mirrormakers"),
566 ListMirrorMaker.class);
569 this.kafkahome = mirrorMakerProperties.getProperty("kafkahome");
570 this.topicURL = mirrorMakerProperties.getProperty("topicURL");
571 this.topicname = mirrorMakerProperties.getProperty("topicname");
572 this.mechid = mirrorMakerProperties.getProperty("mechid");
574 BasicTextEncryptor textEncryptor = new BasicTextEncryptor();
575 textEncryptor.setPassword(secret);
576 //this.password = textEncryptor.decrypt(mirrorMakerProperties.getProperty("password"));
577 this.password = mirrorMakerProperties.getProperty("password");
578 } catch (IOException ex) {
579 // ex.printStackTrace();
584 } catch (IOException e) {
585 // e.printStackTrace();