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 *******************************************************************************/
22 package org.onap.dmaap.mr.dmaapMMAgent;
25 import java.io.FileInputStream;
26 import java.io.FileOutputStream;
27 import java.io.IOException;
28 import java.io.InputStream;
29 import java.io.OutputStream;
30 import java.util.ArrayList;
31 import java.util.Properties;
33 import org.apache.log4j.Logger;
34 import org.jasypt.util.text.BasicTextEncryptor;
35 import org.json.JSONObject;
36 import org.onap.dmaap.mr.dmaapMMAgent.dao.CreateMirrorMaker;
37 import org.onap.dmaap.mr.dmaapMMAgent.dao.DeleteMirrorMaker;
38 import org.onap.dmaap.mr.dmaapMMAgent.dao.ListMirrorMaker;
39 import org.onap.dmaap.mr.dmaapMMAgent.dao.MirrorMaker;
40 import org.onap.dmaap.mr.dmaapMMAgent.dao.UpdateMirrorMaker;
41 import org.onap.dmaap.mr.dmaapMMAgent.dao.UpdateWhiteList;
42 import org.onap.dmaap.mr.dmaapMMAgent.utils.MirrorMakerProcessHandler;
44 import com.google.gson.Gson;
45 import com.google.gson.internal.LinkedTreeMap;
47 public class MirrorMakerAgent {
48 static final Logger logger = Logger.getLogger(MirrorMakerAgent.class);
49 Properties mirrorMakerProperties = new Properties();
50 ListMirrorMaker mirrorMakers = null;
51 String mmagenthome = "/opt";
52 String kafkahome = "";
54 String topicname = "";
58 public boolean exitLoop = false;
59 TopicUtil topicUtil = new TopicUtil();
60 private static String secret = "utdfpWlgyDQ2ZB8SLVRtmN834I1JcT9J";
62 public static void main(String[] args) {
63 if (args != null && args.length == 2) {
64 if (args[0].equals("-encrypt")) {
65 BasicTextEncryptor textEncryptor = new BasicTextEncryptor();
66 textEncryptor.setPassword(secret);
67 String plainText = textEncryptor.encrypt(args[1]);
68 System.out.println("Encrypted Password is :" + plainText);
71 } else if (args != null && args.length > 0) {
73 "Usage: ./mmagent to run with the configuration \n -encrypt <password> to Encrypt Password for config ");
76 MirrorMakerAgent agent = new MirrorMakerAgent();
77 if (agent.checkStartup()) {
78 logger.info("mmagent started, loading properties");
80 agent.checkAgentProcess();
81 } catch (Exception e) {
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 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.");
104 } catch (IOException e) {
105 logger.error("exception occured in checkStartup "+e);
112 input = new FileInputStream(kafkahome + "/bin/kafka-run-class.sh");
113 logger.info("kafkahome is set :" + kafkahome);
114 } catch (IOException ex) {
115 logger.error(kafkahome + "/bin/kafka-run-class.sh not found. Make sure kafka home is set correctly");
121 } catch (IOException e) {
122 logger.error("exception occured in checkStartup "+e);
126 String response = topicUtil.publishTopic(topicURL, topicname, mechid, password, "{\"test\":\"test\"}");
127 if (response.startsWith("ERROR:")) {
128 logger.error("Problem publishing to topic, please verify the config " + this.topicname + " MR URL is:"
129 + this.topicURL + " Error is: " + response);
132 logger.info("Published to Topic :" + this.topicname + " Successfully");
133 response = topicUtil.subscribeTopic(topicURL, topicname, "1", mechid, password);
134 if (response != null && response.startsWith("ERROR:")) {
135 logger.error("Problem subscribing to topic, please verify the config " + this.topicname + " MR URL is:"
136 + this.topicURL + " Error is: " + response);
139 logger.info("Subscribed to Topic :" + this.topicname + " Successfully");
143 private void checkPropertiesFile(MirrorMaker mm, String propName, boolean refresh) {
144 InputStream input = null;
145 OutputStream out = null;
148 throw new IOException();
150 input = new FileInputStream(mmagenthome + "/etc/" + mm.name + propName + ".properties");
151 } catch (IOException ex) {
153 input = new FileInputStream(mmagenthome + "/etc/" + propName + ".properties");
154 Properties prop = new Properties();
156 if (propName.equals("consumer")) {
157 prop.setProperty("group.id", mm.name);
159 prop.setProperty("bootstrap.servers", mm.consumer);
160 prop.setProperty("client.id", mm.name + "MM_consumer");
162 prop.setProperty("bootstrap.servers", mm.producer);
163 prop.setProperty("client.id", mm.name + "MM_producer");
166 out = new FileOutputStream(mmagenthome + "/etc/" + mm.name + propName + ".properties");
169 } catch (Exception e) {
170 logger.error("exception occured in checkPropertiesFile "+e);
176 } catch (IOException e) {
183 } catch (IOException e) {
184 logger.error("exception occured in checkPropertiesFile "+e);
190 private void checkAgentProcess() throws Exception {
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, mm.enablelogCheck,
197 this.grepLog) == false) {
198 checkPropertiesFile(mm, "consumer", false);
199 checkPropertiesFile(mm, "producer", false);
201 if (mm.whitelist != null && !mm.whitelist.equals("")) {
203 "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.numStreams, 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 public void readAgentTopic() {
231 int connectionattempt = 0;
233 logger.info("--------------------------------");
234 logger.info("Waiting for Messages for 60 secs");
235 String topicMessage = topicUtil.subscribeTopic(topicURL, topicname, "60000", mechid, password);
237 LinkedTreeMap<?, ?> object = null;
238 if (topicMessage != null) {
240 // Check and parse if String object returned by consumer
242 // else use the jsonObject
243 if (topicMessage.startsWith("\"")) {
244 topicMessage = g.fromJson(topicMessage.toString(), String.class);
246 object = g.fromJson(topicMessage, LinkedTreeMap.class);
248 // Cast the 1st item (since limit=1 and see the type of
250 readAgent(object, topicMessage);
251 } catch (Exception ex) {
253 if (connectionattempt > 5) {
254 logger.info("Can't connect to the topic, mmagent shutting down , " + topicMessage);
257 logger.info("Can't connect to the topic, " + topicMessage + " Retrying " + connectionattempt
258 + " of 5 times in 1 minute" + " Error:" + ex.getLocalizedMessage());
262 // Check all MirrorMaker every min
263 connectionattempt = 0;
271 } catch (Exception e) {
277 public void createMirrorMaker(MirrorMaker newMirrorMaker) {
278 boolean exists = false;
279 if (mirrorMakers != null) {
280 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
281 for (int i = 0; i < mirrorMakersCount; i++) {
282 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
283 if (mm.name.equals(newMirrorMaker.name)) {
285 logger.info("MirrorMaker already exist for:" + newMirrorMaker.name);
290 logger.info("Adding new MirrorMaker:" + newMirrorMaker.name);
291 if (exists == false && mirrorMakers != null) {
292 mirrorMakers.getListMirrorMaker().add(newMirrorMaker);
293 } else if (exists == false && mirrorMakers == null) {
294 mirrorMakers = new ListMirrorMaker();
295 ArrayList<MirrorMaker> list = mirrorMakers.getListMirrorMaker();
296 list = new ArrayList<MirrorMaker>();
297 list.add(newMirrorMaker);
298 mirrorMakers.setListMirrorMaker(list);
300 checkPropertiesFile(newMirrorMaker, "consumer", true);
301 checkPropertiesFile(newMirrorMaker, "producer", true);
304 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
305 OutputStream out = null;
307 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
308 mirrorMakerProperties.store(out, "");
309 } catch (IOException ex) {
310 ex.printStackTrace();
315 } catch (IOException e) {
322 private void updateMirrorMaker(MirrorMaker newMirrorMaker) {
323 boolean exists = false;
324 if (mirrorMakers != null) {
325 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
326 for (int i = 0; i < mirrorMakersCount; i++) {
327 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
328 if (mm.name.equals(newMirrorMaker.name)) {
330 if (null != newMirrorMaker.getConsumer()) {
331 mm.setConsumer(newMirrorMaker.getConsumer());
333 if (null != newMirrorMaker.getProducer()) {
334 mm.setProducer(newMirrorMaker.getProducer());
336 if (newMirrorMaker.getNumStreams() >= 1) {
337 mm.setNumStreams(newMirrorMaker.getNumStreams());
340 mm.setEnablelogCheck(newMirrorMaker.enablelogCheck);
342 mirrorMakers.getListMirrorMaker().set(i, mm);
344 logger.info("Updating MirrorMaker:" + newMirrorMaker.name);
349 checkPropertiesFile(newMirrorMaker, "consumer", true);
350 checkPropertiesFile(newMirrorMaker, "producer", true);
353 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
354 OutputStream out = null;
356 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
357 mirrorMakerProperties.store(out, "");
358 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
361 } catch (InterruptedException e) {
363 } catch (IOException ex) {
364 ex.printStackTrace();
369 } catch (IOException e) {
375 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
379 private void updateWhiteList(MirrorMaker newMirrorMaker) {
380 boolean exists = false;
381 if (mirrorMakers != null) {
382 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
383 for (int i = 0; i < mirrorMakersCount; i++) {
384 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
385 if (mm.name.equals(newMirrorMaker.name)) {
387 mm.setWhitelist(newMirrorMaker.whitelist);
388 mirrorMakers.getListMirrorMaker().set(i, mm);
389 logger.info("Updating MirrorMaker WhiteList:" + newMirrorMaker.name + " WhiteList:"
390 + newMirrorMaker.whitelist);
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 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
404 } catch (InterruptedException e) {
406 } catch (IOException ex) {
407 ex.printStackTrace();
412 } catch (IOException e) {
418 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
422 private void deleteMirrorMaker(MirrorMaker newMirrorMaker) {
423 boolean exists = false;
424 if (mirrorMakers != null) {
425 int mirrorMakersCount = mirrorMakers.getListMirrorMaker().size();
426 for (int i = 0; i < mirrorMakersCount; i++) {
427 MirrorMaker mm = mirrorMakers.getListMirrorMaker().get(i);
428 if (mm.name.equals(newMirrorMaker.name)) {
430 mirrorMakers.getListMirrorMaker().remove(i);
431 logger.info("Removing MirrorMaker:" + newMirrorMaker.name);
432 i = mirrorMakersCount;
438 String path = mmagenthome + "/etc/" + newMirrorMaker.name + "consumer" + ".properties";
439 File file = new File(path);
441 } catch (Exception ex) {
444 String path = mmagenthome + "/etc/" + newMirrorMaker.name + "producer" + ".properties";
445 File file = new File(path);
447 } catch (Exception ex) {
450 mirrorMakerProperties.setProperty("mirrormakers", g.toJson(this.mirrorMakers));
451 OutputStream out = null;
453 out = new FileOutputStream(mmagenthome + "/etc/mmagent.config");
454 mirrorMakerProperties.store(out, "");
455 MirrorMakerProcessHandler.stopMirrorMaker(newMirrorMaker.name);
456 } catch (IOException ex) {
457 ex.printStackTrace();
462 } catch (IOException e) {
468 logger.info("MirrorMaker Not found for:" + newMirrorMaker.name);
472 private void loadProperties() {
473 InputStream input = null;
476 input = new FileInputStream(mmagenthome + "/etc/mmagent.config");
477 mirrorMakerProperties.load(input);
479 if (mirrorMakerProperties.getProperty("mirrormakers") == null) {
480 this.mirrorMakers = new ListMirrorMaker();
481 ArrayList<MirrorMaker> list = this.mirrorMakers.getListMirrorMaker();
482 list = new ArrayList<MirrorMaker>();
483 this.mirrorMakers.setListMirrorMaker(list);
485 this.mirrorMakers = g.fromJson(mirrorMakerProperties.getProperty("mirrormakers"),
486 ListMirrorMaker.class);
489 this.kafkahome = mirrorMakerProperties.getProperty("kafkahome");
490 this.topicURL = mirrorMakerProperties.getProperty("topicURL");
491 this.topicname = mirrorMakerProperties.getProperty("topicname");
492 this.mechid = mirrorMakerProperties.getProperty("mechid");
493 this.grepLog = mirrorMakerProperties.getProperty("grepLog");
495 BasicTextEncryptor textEncryptor = new BasicTextEncryptor();
496 textEncryptor.setPassword(secret);
497 this.password = textEncryptor.decrypt(mirrorMakerProperties.getProperty("password"));
498 } catch (Exception ex) {
499 // ex.printStackTrace();
504 } catch (IOException e) {
505 // e.printStackTrace();
512 public void readAgent(LinkedTreeMap<?, ?> object, String topicMessage) throws Exception{
516 if (object.get("createMirrorMaker") != null) {
517 logger.info("Received createMirrorMaker request from topic");
518 CreateMirrorMaker m = g.fromJson(topicMessage, CreateMirrorMaker.class);
519 createMirrorMaker(m.getCreateMirrorMaker());
521 mirrorMakers.setMessageID(m.getMessageID());
522 topicUtil.publishTopic(topicURL, topicname, mechid, password, g.toJson(mirrorMakers));
523 mirrorMakers.setMessageID("");
524 } else if (object.get("updateMirrorMaker") != null) {
525 logger.info("Received updateMirrorMaker request from topic");
526 UpdateMirrorMaker m = g.fromJson(topicMessage, UpdateMirrorMaker.class);
527 JSONObject json = new JSONObject(topicMessage);
528 JSONObject json2 = (JSONObject) json.get("updateMirrorMaker");
529 if (!json2.has("numStreams")) {
530 m.getUpdateMirrorMaker().setNumStreams(0);
532 updateMirrorMaker(m.getUpdateMirrorMaker());
534 mirrorMakers.setMessageID(m.getMessageID());
535 topicUtil.publishTopic(topicURL, topicname, mechid, password, g.toJson(mirrorMakers));
536 mirrorMakers.setMessageID("");
537 } else if (object.get("deleteMirrorMaker") != null) {
538 logger.info("Received deleteMirrorMaker request from topic");
539 DeleteMirrorMaker m = g.fromJson(topicMessage, DeleteMirrorMaker.class);
540 deleteMirrorMaker(m.getDeleteMirrorMaker());
542 mirrorMakers.setMessageID(m.getMessageID());
543 topicUtil.publishTopic(topicURL, topicname, mechid, password, g.toJson(mirrorMakers));
544 mirrorMakers.setMessageID("");
545 } else if (object.get("listAllMirrorMaker") != null) {
546 logger.info("Received listALLMirrorMaker request from topic");
548 mirrorMakers.setMessageID((String) object.get("messageID"));
549 topicUtil.publishTopic(topicURL, topicname, mechid, password, g.toJson(mirrorMakers));
550 mirrorMakers.setMessageID("");
551 } else if (object.get("updateWhiteList") != null) {
552 logger.info("Received updateWhiteList request from topic");
553 UpdateWhiteList m = g.fromJson(topicMessage, UpdateWhiteList.class);
554 updateWhiteList(m.getUpdateWhiteList());
556 mirrorMakers.setMessageID(m.getMessageID());
557 topicUtil.publishTopic(topicURL, topicname, mechid, password, g.toJson(mirrorMakers));
558 mirrorMakers.setMessageID("");
559 } else if (object.get("listMirrorMaker") != null) {
560 logger.info("Received listMirrorMaker from topic, skipping messages");
562 logger.info("Received unknown request from topic");