forked from Graylog2/graylog2-server
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathCore.java
More file actions
528 lines (426 loc) · 18.3 KB
/
Core.java
File metadata and controls
528 lines (426 loc) · 18.3 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
/**
* Copyright 2012, 2013 Lennart Koopmann <lennart@socketfeed.com>
*
* This file is part of Graylog2.
*
* Graylog2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog2. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.graylog2;
import org.graylog2.plugin.Tools;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.graylog2.blacklists.BlacklistCache;
import org.graylog2.buffers.OutputBuffer;
import org.graylog2.buffers.ProcessBuffer;
import org.graylog2.database.MongoBridge;
import org.graylog2.database.MongoConnection;
import org.graylog2.indexer.EmbeddedElasticSearchClient;
import org.graylog2.plugin.initializers.Initializer;
import org.graylog2.plugin.inputs.MessageInput;
import org.graylog2.gelf.GELFChunkManager;
import org.graylog2.plugin.outputs.MessageOutput;
import org.graylog2.streams.StreamCache;
import com.google.common.collect.Lists;
import java.util.concurrent.atomic.AtomicInteger;
import com.google.common.collect.Maps;
import java.util.Map;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import org.cliffc.high_scale_lib.Counter;
import org.graylog2.activities.Activity;
import org.graylog2.activities.ActivityWriter;
import org.graylog2.buffers.BasicCache;
import org.graylog2.buffers.Cache;
import org.graylog2.cluster.Cluster;
import org.graylog2.database.HostCounterCacheImpl;
import org.graylog2.indexer.Deflector;
import org.graylog2.initializers.*;
import org.graylog2.inputs.StandardInputSet;
import org.graylog2.plugin.GraylogServer;
import org.graylog2.plugin.alarms.callbacks.AlarmCallback;
import org.graylog2.plugin.alarms.callbacks.AlarmCallbackConfigurationException;
import org.graylog2.plugin.alarms.transports.Transport;
import org.graylog2.plugin.alarms.transports.TransportConfigurationException;
import org.graylog2.plugin.buffers.Buffer;
import org.graylog2.plugin.filters.MessageFilter;
import org.graylog2.plugin.indexer.MessageGateway;
import org.graylog2.plugin.initializers.InitializerConfigurationException;
import org.graylog2.plugin.inputs.MessageInputConfigurationException;
import org.graylog2.plugin.logmessage.LogMessage;
import org.graylog2.plugin.outputs.MessageOutputConfigurationException;
import org.graylog2.plugin.streams.Stream;
import org.graylog2.plugins.PluginConfiguration;
import org.graylog2.plugins.PluginLoader;
import org.graylog2.streams.StreamImpl;
/**
* Server core, handling and holding basically everything.
*
* (Du kannst das Geraet nicht bremsen, schon garnicht mit bloßen Haenden.)
*
* @author Lennart Koopmann <lennart@socketfeed.com>
*/
public class Core implements GraylogServer {
private static final Logger LOG = LoggerFactory.getLogger(Core.class);
private MongoConnection mongoConnection;
private MongoBridge mongoBridge;
private Configuration configuration;
private RulesEngineImpl rulesEngine;
private ServerValue serverValues;
private GELFChunkManager gelfChunkManager;
private static final int SCHEDULED_THREADS_POOL_SIZE = 30;
private ScheduledExecutorService scheduler;
public static final String GRAYLOG2_VERSION = "0.11.0";
public static final String MASTER_COUNTER_NAME = "master";
private EmbeddedElasticSearchClient indexer;
private HostCounterCacheImpl hostCounterCache;
private MessageCounterManagerImpl messageCounterManager;
private Cluster cluster;
private Counter benchmarkCounter = new Counter();
private List<Initializer> initializers = Lists.newArrayList();
private List<MessageInput> inputs = Lists.newArrayList();
private List<MessageFilter> filters = Lists.newArrayList();
private List<MessageOutput> outputs = Lists.newArrayList();
private List<Transport> transports = Lists.newArrayList();
private List<AlarmCallback> alarmCallbacks = Lists.newArrayList();
private ProcessBuffer processBuffer;
private OutputBuffer outputBuffer;
private AtomicInteger outputBufferWatermark = new AtomicInteger();
private AtomicInteger processBufferWatermark = new AtomicInteger();
private Cache inputCache;
private Cache outputCache;
private Deflector deflector;
private ActivityWriter activityWriter;
private String serverId;
private boolean localMode = false;
private boolean statsMode = false;
public void initialize(Configuration configuration) {
serverId = Tools.generateServerId();
this.configuration = configuration; // TODO use dependency injection
mongoConnection = new MongoConnection(); // TODO use dependency injection
mongoConnection.setUser(configuration.getMongoUser());
mongoConnection.setPassword(configuration.getMongoPassword());
mongoConnection.setHost(configuration.getMongoHost());
mongoConnection.setPort(configuration.getMongoPort());
mongoConnection.setDatabase(configuration.getMongoDatabase());
mongoConnection.setUseAuth(configuration.isMongoUseAuth());
mongoConnection.setMaxConnections(configuration.getMongoMaxConnections());
mongoConnection.setThreadsAllowedToBlockMultiplier(configuration.getMongoThreadsAllowedToBlockMultiplier());
mongoConnection.setReplicaSet(configuration.getMongoReplicaSet());
mongoBridge = new MongoBridge(this);
mongoBridge.setConnection(mongoConnection); // TODO use dependency injection
mongoConnection.connect();
cluster = new Cluster(this);
activityWriter = new ActivityWriter(this);
messageCounterManager = new MessageCounterManagerImpl();
messageCounterManager.register(MASTER_COUNTER_NAME);
hostCounterCache = new HostCounterCacheImpl();
inputCache = new BasicCache();
outputCache = new BasicCache();
processBuffer = new ProcessBuffer(this, inputCache);
processBuffer.initialize();
outputBuffer = new OutputBuffer(this, outputCache);
outputBuffer.initialize();
gelfChunkManager = new GELFChunkManager(this);
indexer = new EmbeddedElasticSearchClient(this);
serverValues = new ServerValue(this);
Runtime.getRuntime().addShutdownHook(new Thread() {
@Override
public void run() {
activityWriter.write(new Activity("Shutting down.", GraylogServer.class));
}
});
}
public void registerInitializer(Initializer initializer) {
if (initializer.masterOnly() && !this.isMaster()) {
LOG.info("Not registering initializer {} because it is marked as master only.", initializer.getClass().getSimpleName());
return;
}
this.initializers.add(initializer);
}
public void registerInput(MessageInput input) {
this.inputs.add(input);
}
public void registerFilter(MessageFilter filter) {
this.filters.add(filter);
}
public void registerOutput(MessageOutput output) {
this.outputs.add(output);
}
public void registerTransport(Transport transport) {
this.transports.add(transport);
}
public void registerAlarmCallback(AlarmCallback alarmCallback) {
this.alarmCallbacks.add(alarmCallback);
}
@Override
public void run() {
gelfChunkManager.start();
BlacklistCache.initialize(this);
StreamCache.initialize(this);
// Set up deflector.
LOG.info("Setting up deflector.");
deflector = new Deflector(this);
deflector.setUp();
// Set up recent index.
if (indexer.indexExists(EmbeddedElasticSearchClient.RECENT_INDEX_NAME)) {
LOG.info("Recent index exists. Not creating it.");
} else {
LOG.info("Recent index does not exist! Trying to create it ...");
if (indexer.createRecentIndex()) {
LOG.info("Successfully created recent index.");
} else {
LOG.error("Could not create recent index. Terminating.");
System.exit(1);
}
}
scheduler = Executors.newScheduledThreadPool(SCHEDULED_THREADS_POOL_SIZE,
new ThreadFactoryBuilder().setNameFormat("scheduled-%d").build()
);
// Load and register plugins.
loadPlugins(MessageFilter.class, "filters");
loadPlugins(MessageOutput.class, "outputs");
loadPlugins(AlarmCallback.class, "alarm_callbacks");
loadPlugins(Transport.class, "transports");
loadPlugins(Initializer.class, "initializers");
loadPlugins(MessageInput.class, "inputs");
// Initialize all registered transports.
for (Transport transport : this.transports) {
try {
Map<String, String> config;
// The built in transport methods get a more convenient configuration from graylog2.conf.
if (transport.getClass().getCanonicalName().equals("org.graylog2.alarms.transports.EmailTransport")) {
config = configuration.getEmailTransportConfiguration();
} else if (transport.getClass().getCanonicalName().equals("org.graylog2.alarms.transports.JabberTransport")) {
config = configuration.getJabberTransportConfiguration();
} else {
// Load custom plugin config.
config = PluginConfiguration.load(this, transport.getClass().getCanonicalName());
}
transport.initialize(config);
LOG.debug("Initialized transport: {}", transport.getName());
} catch (TransportConfigurationException e) {
LOG.error("Could not initialize transport <" + transport.getName() + ">"
+ " because of missing or invalid configuration.", e);
}
}
// Initialize all registered alarm callbacks.
for (AlarmCallback callback : this.alarmCallbacks) {
try {
callback.initialize(PluginConfiguration.load(this, callback.getClass().getCanonicalName()));
LOG.debug("Initialized alarm callback: {}", callback.getName());
} catch(AlarmCallbackConfigurationException e) {
LOG.error("Could not initialize alarm callback <" + callback.getName() + ">"
+ " because of missing or invalid configuration.", e);
}
}
// Initialize all registered initializers.
for (Initializer initializer : this.initializers) {
try {
if (StandardInitializerSet.get().contains(initializer.getClass())) {
// This is a built-in initializer. We don't need special configs for them.
initializer.initialize(this, null);
} else {
// This is a plugin. Initialize with custom config from Mongo.
initializer.initialize(this, PluginConfiguration.load(
this,
initializer.getClass().getCanonicalName())
);
}
LOG.debug("Initialized initializer: {}", initializer.getClass().getSimpleName());
} catch (InitializerConfigurationException e) {
}
}
// Initialize all registered inputs.
for (MessageInput input : this.inputs) {
try {
if (StandardInputSet.get().contains(input.getClass())) {
// This is a built-in input. Initialize with config from graylog2.conf.
input.initialize(configuration.getInputConfig(input.getClass()), this);
} else {
// This is a plugin. Initialize with custom config from Mongo.
input.initialize(PluginConfiguration.load(
this,
input.getClass().getCanonicalName()),
this
);
}
LOG.debug("Initialized input: {}", input.getName());
} catch (MessageInputConfigurationException e) {
LOG.error("Could not initialize input <{}>.", input.getClass().getCanonicalName(), e);
}
}
// Initialize all registered outputs.
for (MessageOutput output : this.outputs) {
try {
output.initialize(PluginConfiguration.load(this, output.getClass().getCanonicalName()));
LOG.debug("Initialized output: {}", output.getName());
} catch(MessageOutputConfigurationException e) {
LOG.error("Could not initialize output <" + output.getName() + ">"
+ " because of missing or invalid configuration.", e);
}
}
activityWriter.write(new Activity("Started up.", GraylogServer.class));
LOG.info("Graylog2 up and running.");
while (true) {
try { Thread.sleep(1000); } catch (InterruptedException e) { /* lol, i don't care */ }
}
}
private <A> void loadPlugins(Class<A> type, String subDirectory) {
PluginLoader<A> pl = new PluginLoader(configuration.getPluginDir(), subDirectory, type);
for (A plugin : pl.getPlugins()) {
LOG.info("Registering <{}> plugin [{}].", type.getSimpleName(), plugin.getClass().getCanonicalName());
if (plugin instanceof MessageFilter) {
registerFilter((MessageFilter) plugin);
} else if (plugin instanceof MessageOutput) {
registerOutput((MessageOutput) plugin);
} else if (plugin instanceof AlarmCallback) {
registerAlarmCallback((AlarmCallback) plugin);
} else if (plugin instanceof Initializer) {
registerInitializer((Initializer) plugin);
} else if (plugin instanceof MessageInput) {
registerInput((MessageInput) plugin);
} else if (plugin instanceof Transport) {
registerTransport((Transport) plugin);
} else {
LOG.error("Could not load plugin [{}] - Not supported type.", plugin.getClass().getCanonicalName());
}
}
}
public MongoConnection getMongoConnection() {
return mongoConnection;
}
public MongoBridge getMongoBridge() {
return mongoBridge;
}
public ScheduledExecutorService getScheduler() {
return scheduler;
}
public void setConfiguration(Configuration configuration) {
this.configuration = configuration;
}
public Configuration getConfiguration() {
return configuration;
}
public void setRulesEngine(RulesEngineImpl engine) {
rulesEngine = engine;
}
public RulesEngineImpl getRulesEngine() {
return rulesEngine;
}
public EmbeddedElasticSearchClient getIndexer() {
return indexer;
}
public ServerValue getServerValues() {
return serverValues;
}
public GELFChunkManager getGELFChunkManager() {
return this.gelfChunkManager;
}
@Override
public Buffer getProcessBuffer() {
return this.processBuffer;
}
@Override
public Buffer getOutputBuffer() {
return this.outputBuffer;
}
public AtomicInteger outputBufferWatermark() {
return outputBufferWatermark;
}
public AtomicInteger processBufferWatermark() {
return processBufferWatermark;
}
public List<Initializer> getInitializers() {
return this.initializers;
}
public List<Transport> getTransports() {
return this.transports;
}
public List<MessageInput> getInputs() {
return this.inputs;
}
public List<MessageFilter> getFilters() {
return this.filters;
}
public List<MessageOutput> getOutputs() {
return this.outputs;
}
public List<AlarmCallback> getAlarmCallbacks() {
return this.alarmCallbacks;
}
@Override
public MessageCounterManagerImpl getMessageCounterManager() {
return this.messageCounterManager;
}
public HostCounterCacheImpl getHostCounterCache() {
return this.hostCounterCache;
}
public Deflector getDeflector() {
return this.deflector;
}
public Cluster cluster() {
return this.cluster;
}
public ActivityWriter getActivityWriter() {
return this.activityWriter;
}
@Override
public boolean isMaster() {
return this.configuration.isMaster();
}
@Override
public String getServerId() {
return this.serverId;
}
@Override
public MessageGateway getMessageGateway() {
return this.indexer.getMessageGateway();
}
public void setLocalMode(boolean mode) {
this.localMode = mode;
}
public boolean isLocalMode() {
return localMode;
}
public void setStatsMode(boolean mode) {
this.statsMode = mode;
}
public boolean isStatsMode() {
return statsMode;
}
/*
* For plugins that need a list of all active streams. Could be moved somewhere
* more appropiate.
*/
@Override
public Map<String, Stream> getEnabledStreams() {
Map<String, Stream> streams = Maps.newHashMap();
for (Stream stream : StreamImpl.fetchAllEnabled(this)) {
streams.put(stream.getId().toString(), stream);
}
return streams;
}
public Counter getBenchmarkCounter() {
return benchmarkCounter;
}
public Cache getInputCache() {
return inputCache;
}
public Cache getOutputCache() {
return outputCache;
}
}