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18 package org.apache.hadoop.hbase.master.cleaner;
19
20 import static org.junit.Assert.assertEquals;
21
22 import java.io.IOException;
23 import java.net.URLEncoder;
24
25 import org.apache.hadoop.conf.Configuration;
26 import org.apache.hadoop.fs.FileStatus;
27 import org.apache.hadoop.fs.FileSystem;
28 import org.apache.hadoop.fs.Path;
29 import org.apache.hadoop.hbase.*;
30 import org.apache.hadoop.hbase.catalog.CatalogTracker;
31 import org.apache.hadoop.hbase.replication.ReplicationFactory;
32 import org.apache.hadoop.hbase.replication.ReplicationQueues;
33 import org.apache.hadoop.hbase.replication.regionserver.Replication;
34 import org.apache.hadoop.hbase.testclassification.MediumTests;
35 import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
36 import org.junit.AfterClass;
37 import org.junit.BeforeClass;
38 import org.junit.Test;
39 import org.junit.experimental.categories.Category;
40
41 @Category(MediumTests.class)
42 public class TestLogsCleaner {
43
44 private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
45
46
47
48
49 @BeforeClass
50 public static void setUpBeforeClass() throws Exception {
51 TEST_UTIL.startMiniZKCluster();
52 }
53
54
55
56
57 @AfterClass
58 public static void tearDownAfterClass() throws Exception {
59 TEST_UTIL.shutdownMiniZKCluster();
60 }
61
62 @Test
63 public void testLogCleaning() throws Exception{
64 Configuration conf = TEST_UTIL.getConfiguration();
65
66 long ttl = 10000;
67 conf.setLong("hbase.master.logcleaner.ttl", ttl);
68 conf.setBoolean(HConstants.REPLICATION_ENABLE_KEY, HConstants.REPLICATION_ENABLE_DEFAULT);
69 Replication.decorateMasterConfiguration(conf);
70 Server server = new DummyServer();
71 ReplicationQueues repQueues =
72 ReplicationFactory.getReplicationQueues(server.getZooKeeper(), conf, server);
73 repQueues.init(server.getServerName().toString());
74 final Path oldLogDir = new Path(TEST_UTIL.getDataTestDir(),
75 HConstants.HREGION_OLDLOGDIR_NAME);
76 String fakeMachineName =
77 URLEncoder.encode(server.getServerName().toString(), "UTF8");
78
79 final FileSystem fs = FileSystem.get(conf);
80
81
82 long now = System.currentTimeMillis();
83 fs.delete(oldLogDir, true);
84 fs.mkdirs(oldLogDir);
85
86 fs.createNewFile(new Path(oldLogDir, "a"));
87 fs.createNewFile(new Path(oldLogDir, fakeMachineName + "." + "a"));
88
89
90 System.out.println("Now is: " + now);
91 for (int i = 1; i < 31; i++) {
92
93
94 Path fileName = new Path(oldLogDir, fakeMachineName + "." + (now - i) );
95 fs.createNewFile(fileName);
96
97
98
99
100 if (i % (30/3) == 1) {
101 repQueues.addLog(fakeMachineName, fileName.getName());
102 System.out.println("Replication log file: " + fileName);
103 }
104 }
105
106
107 Thread.sleep(ttl);
108 fs.createNewFile(new Path(oldLogDir, fakeMachineName + "." + now));
109
110
111
112 fs.createNewFile(new Path(oldLogDir, fakeMachineName + "." + (now + 10000) ));
113
114 for (FileStatus stat : fs.listStatus(oldLogDir)) {
115 System.out.println(stat.getPath().toString());
116 }
117
118 assertEquals(34, fs.listStatus(oldLogDir).length);
119
120 LogCleaner cleaner = new LogCleaner(1000, server, conf, fs, oldLogDir);
121 cleaner.chore();
122
123
124
125 TEST_UTIL.waitFor(1000, new Waiter.Predicate<Exception>() {
126 @Override
127 public boolean evaluate() throws Exception {
128 return 5 == fs.listStatus(oldLogDir).length;
129 }
130 });
131
132 for (FileStatus file : fs.listStatus(oldLogDir)) {
133 System.out.println("Kept log files: " + file.getPath().getName());
134 }
135 }
136
137 static class DummyServer implements Server {
138
139 @Override
140 public Configuration getConfiguration() {
141 return TEST_UTIL.getConfiguration();
142 }
143
144 @Override
145 public ZooKeeperWatcher getZooKeeper() {
146 try {
147 return new ZooKeeperWatcher(getConfiguration(), "dummy server", this);
148 } catch (IOException e) {
149 e.printStackTrace();
150 }
151 return null;
152 }
153
154 @Override
155 public CatalogTracker getCatalogTracker() {
156 return null;
157 }
158
159 @Override
160 public ServerName getServerName() {
161 return ServerName.valueOf("regionserver,60020,000000");
162 }
163
164 @Override
165 public void abort(String why, Throwable e) {}
166
167 @Override
168 public boolean isAborted() {
169 return false;
170 }
171
172 @Override
173 public void stop(String why) {}
174
175 @Override
176 public boolean isStopped() {
177 return false;
178 }
179 }
180
181 }
182