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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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package org.apache.hadoop.hbase.master.handler;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
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.HBaseTestingUtility;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.MiniHBaseCluster;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.master.HMaster;
import org.apache.hadoop.hbase.master.MasterFileSystem;
import org.apache.hadoop.hbase.master.MasterServices;
import org.apache.hadoop.hbase.master.RegionState.State;
import org.apache.hadoop.hbase.master.RegionStates;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.FSUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@Category(MediumTests.class)
public class TestCreateTableHandler {
private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
private static final Log LOG = LogFactory.getLog(TestCreateTableHandler.class);
private static final byte[] FAMILYNAME = Bytes.toBytes("fam");
private static boolean throwException = false;
@Before
public void setUp() throws Exception {
TEST_UTIL.startMiniCluster(1);
}
@After
public void tearDown() throws Exception {
TEST_UTIL.shutdownMiniCluster();
throwException = false;
}
@Test (timeout=300000)
public void testCreateTableCalledTwiceAndFirstOneInProgress() throws Exception {
final TableName tableName = TableName.valueOf("testCreateTableCalledTwiceAndFirstOneInProgress");
final MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
final HMaster m = cluster.getMaster();
final HTableDescriptor desc = new HTableDescriptor(tableName);
desc.addFamily(new HColumnDescriptor(FAMILYNAME));
final HRegionInfo[] hRegionInfos = new HRegionInfo[] { new HRegionInfo(desc.getTableName(), null,
null) };
CustomCreateTableHandler handler = new CustomCreateTableHandler(m, m.getMasterFileSystem(),
desc, cluster.getConfiguration(), hRegionInfos, m);
handler.prepare();
throwException = true;
handler.process();
throwException = false;
CustomCreateTableHandler handler1 = new CustomCreateTableHandler(m, m.getMasterFileSystem(),
desc, cluster.getConfiguration(), hRegionInfos, m);
handler1.prepare();
handler1.process();
for (int i = 0; i < 100; i++) {
if (!TEST_UTIL.getHBaseAdmin().isTableAvailable(tableName)) {
Thread.sleep(200);
}
}
assertTrue(TEST_UTIL.getHBaseAdmin().isTableEnabled(tableName));
}
@Test (timeout=300000)
public void testCreateTableWithSplitRegion() throws Exception {
final TableName tableName = TableName.valueOf("testCreateTableWithSplitRegion");
final MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
final HMaster m = cluster.getMaster();
final HTableDescriptor desc = new HTableDescriptor(tableName);
desc.addFamily(new HColumnDescriptor(FAMILYNAME));
byte[] splitPoint = Bytes.toBytes("split-point");
long ts = System.currentTimeMillis();
HRegionInfo d1 = new HRegionInfo(desc.getTableName(), null, splitPoint, false, ts);
HRegionInfo d2 = new HRegionInfo(desc.getTableName(), splitPoint, null, false, ts + 1);
HRegionInfo parent = new HRegionInfo(desc.getTableName(), null, null, true, ts + 2);
parent.setOffline(true);
Path tempdir = m.getMasterFileSystem().getTempDir();
FileSystem fs = m.getMasterFileSystem().getFileSystem();
Path tempTableDir = FSUtils.getTableDir(tempdir, desc.getTableName());
fs.delete(tempTableDir, true); // Clean up temp table dir if exists
final HRegionInfo[] hRegionInfos = new HRegionInfo[] {d1, d2, parent};
CreateTableHandler handler = new CreateTableHandler(m, m.getMasterFileSystem(),
desc, cluster.getConfiguration(), hRegionInfos, m);
handler.prepare();
handler.process();
for (int i = 0; i < 100; i++) {
if (!TEST_UTIL.getHBaseAdmin().isTableAvailable(tableName)) {
Thread.sleep(300);
}
}
assertTrue(TEST_UTIL.getHBaseAdmin().isTableEnabled(tableName));
assertTrue(TEST_UTIL.getHBaseAdmin().isTableAvailable(tableName));
assertTrue(TEST_UTIL.getHBaseAdmin().isTableAvailable(tableName, new byte[][] { splitPoint }));
RegionStates regionStates = m.getAssignmentManager().getRegionStates();
assertTrue("Parent should be in SPLIT state",
regionStates.isRegionInState(parent, State.SPLIT));
}
@Test (timeout=60000)
public void testMasterRestartAfterEnablingNodeIsCreated() throws Exception {
byte[] tableName = Bytes.toBytes("testMasterRestartAfterEnablingNodeIsCreated");
final MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
final HMaster m = cluster.getMaster();
final HTableDescriptor desc = new HTableDescriptor(TableName.valueOf(tableName));
desc.addFamily(new HColumnDescriptor(FAMILYNAME));
final HRegionInfo[] hRegionInfos = new HRegionInfo[] { new HRegionInfo(desc.getTableName(), null,
null) };
CustomCreateTableHandler handler = new CustomCreateTableHandler(m, m.getMasterFileSystem(),
desc, cluster.getConfiguration(), hRegionInfos, m);
handler.prepare();
throwException = true;
handler.process();
abortAndStartNewMaster(cluster);
assertTrue(cluster.getLiveMasterThreads().size() == 1);
}
private void abortAndStartNewMaster(final MiniHBaseCluster cluster) throws IOException {
cluster.abortMaster(0);
cluster.waitOnMaster(0);
LOG.info("Starting new master");
cluster.startMaster();
LOG.info("Waiting for master to become active.");
cluster.waitForActiveAndReadyMaster();
}
private static class CustomCreateTableHandler extends CreateTableHandler {
public CustomCreateTableHandler(Server server, MasterFileSystem fileSystemManager,
HTableDescriptor hTableDescriptor, Configuration conf, HRegionInfo[] newRegions,
MasterServices masterServices) {
super(server, fileSystemManager, hTableDescriptor, conf, newRegions, masterServices);
}
@Override
protected List<HRegionInfo> handleCreateHdfsRegions(Path tableRootDir,
TableName tableName) throws IOException {
if (throwException) {
throw new IOException("Test throws exceptions.");
}
return super.handleCreateHdfsRegions(tableRootDir, tableName);
}
}
}