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* to you under the Apache License, Version 2.0 (the
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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package org.apache.hadoop.hbase.replication.regionserver;
import static org.junit.Assert.assertEquals;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.MediumTests;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.catalog.CatalogTracker;
import org.apache.hadoop.hbase.regionserver.wal.HLog;
import org.apache.hadoop.hbase.regionserver.wal.HLogFactory;
import org.apache.hadoop.hbase.regionserver.wal.HLogKey;
import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;
import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
import org.apache.hadoop.hbase.replication.ReplicationSourceDummy;
import org.apache.hadoop.hbase.replication.ReplicationZookeeper;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.zookeeper.ZKUtil;
import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@Category(MediumTests.class)
public class TestReplicationSourceManager {
private static final Log LOG =
LogFactory.getLog(TestReplicationSourceManager.class);
private static Configuration conf;
private static HBaseTestingUtility utility;
private static Replication replication;
private static ReplicationSourceManager manager;
private static ZooKeeperWatcher zkw;
private static HTableDescriptor htd;
private static HRegionInfo hri;
private static final byte[] r1 = Bytes.toBytes("r1");
private static final byte[] r2 = Bytes.toBytes("r2");
private static final byte[] f1 = Bytes.toBytes("f1");
private static final byte[] test = Bytes.toBytes("test");
private static final String slaveId = "1";
private static FileSystem fs;
private static String logName;
private static Path oldLogDir;
private static Path logDir;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
conf = HBaseConfiguration.create();
conf.set("replication.replicationsource.implementation",
ReplicationSourceDummy.class.getCanonicalName());
conf.setBoolean(HConstants.REPLICATION_ENABLE_KEY, true);
utility = new HBaseTestingUtility(conf);
utility.startMiniZKCluster();
zkw = new ZooKeeperWatcher(conf, "test", null);
ZKUtil.createWithParents(zkw, "/hbase/replication");
ZKUtil.createWithParents(zkw, "/hbase/replication/peers/1");
ZKUtil.setData(zkw, "/hbase/replication/peers/1",
Bytes.toBytes(conf.get(HConstants.ZOOKEEPER_QUORUM) + ":"
+ conf.get(HConstants.ZOOKEEPER_CLIENT_PORT) + ":/1"));
ZKUtil.createWithParents(zkw, "/hbase/replication/peers/1/peer-state");
ZKUtil.setData(zkw, "/hbase/replication/peers/1/peer-state",
ReplicationZookeeper.ENABLED_ZNODE_BYTES);
ZKUtil.createWithParents(zkw, "/hbase/replication/state");
ZKUtil.setData(zkw, "/hbase/replication/state", ReplicationZookeeper.ENABLED_ZNODE_BYTES);
replication = new Replication(new DummyServer(), fs, logDir, oldLogDir);
manager = replication.getReplicationManager();
fs = FileSystem.get(conf);
oldLogDir = new Path(utility.getDataTestDir(),
HConstants.HREGION_OLDLOGDIR_NAME);
logDir = new Path(utility.getDataTestDir(),
HConstants.HREGION_LOGDIR_NAME);
logName = HConstants.HREGION_LOGDIR_NAME;
manager.addSource(slaveId);
htd = new HTableDescriptor(test);
HColumnDescriptor col = new HColumnDescriptor("f1");
col.setScope(HConstants.REPLICATION_SCOPE_GLOBAL);
htd.addFamily(col);
col = new HColumnDescriptor("f2");
col.setScope(HConstants.REPLICATION_SCOPE_LOCAL);
htd.addFamily(col);
hri = new HRegionInfo(htd.getName(), r1, r2);
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
manager.join();
utility.shutdownMiniCluster();
}
@Before
public void setUp() throws Exception {
fs.delete(logDir, true);
fs.delete(oldLogDir, true);
}
@After
public void tearDown() throws Exception {
setUp();
}
@Test
public void testLogRoll() throws Exception {
long seq = 0;
long baseline = 1000;
long time = baseline;
KeyValue kv = new KeyValue(r1, f1, r1);
WALEdit edit = new WALEdit();
edit.add(kv);
List<WALActionsListener> listeners = new ArrayList<WALActionsListener>();
listeners.add(replication);
HLog hlog = HLogFactory.createHLog(fs, utility.getDataTestDir(), logName,
conf, listeners, URLEncoder.encode("regionserver:60020", "UTF8"));
manager.init();
HTableDescriptor htd = new HTableDescriptor();
htd.addFamily(new HColumnDescriptor(f1));
// Testing normal log rolling every 20
for(long i = 1; i < 101; i++) {
if(i > 1 && i % 20 == 0) {
hlog.rollWriter();
}
LOG.info(i);
HLogKey key = new HLogKey(hri.getRegionName(), test, seq++,
System.currentTimeMillis(), HConstants.DEFAULT_CLUSTER_ID);
hlog.append(hri, key, edit, htd, true);
}
// Simulate a rapid insert that's followed
// by a report that's still not totally complete (missing last one)
LOG.info(baseline + " and " + time);
baseline += 101;
time = baseline;
LOG.info(baseline + " and " + time);
for (int i = 0; i < 3; i++) {
HLogKey key = new HLogKey(hri.getRegionName(), test, seq++,
System.currentTimeMillis(), HConstants.DEFAULT_CLUSTER_ID);
hlog.append(hri, key, edit, htd, true);
}
assertEquals(6, manager.getHLogs().get(slaveId).size());
hlog.rollWriter();
manager.logPositionAndCleanOldLogs(manager.getSources().get(0).getCurrentPath(),
"1", 0, false, false);
HLogKey key = new HLogKey(hri.getRegionName(), test, seq++,
System.currentTimeMillis(), HConstants.DEFAULT_CLUSTER_ID);
hlog.append(hri, key, edit, htd, true);
assertEquals(1, manager.getHLogs().size());
// TODO Need a case with only 2 HLogs and we only want to delete the first one
}
static class DummyServer implements Server {
@Override
public Configuration getConfiguration() {
return conf;
}
@Override
public ZooKeeperWatcher getZooKeeper() {
return zkw;
}
@Override
public CatalogTracker getCatalogTracker() {
return null; //To change body of implemented methods use File | Settings | File Templates.
}
@Override
public ServerName getServerName() {
return new ServerName("hostname.example.org", 1234, -1L);
}
@Override
public void abort(String why, Throwable e) {
//To change body of implemented methods use File | Settings | File Templates.
}
@Override
public boolean isAborted() {
return false;
}
@Override
public void stop(String why) {
//To change body of implemented methods use File | Settings | File Templates.
}
@Override
public boolean isStopped() {
return false; //To change body of implemented methods use File | Settings | File Templates.
}
}
}