/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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
*
* 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.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.client;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
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.HRegionLocation;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.apache.hadoop.hbase.MasterNotRunningException;
import org.apache.hadoop.hbase.MiniHBaseCluster;
import org.apache.hadoop.hbase.NotServingRegionException;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableExistsException;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.TableNotDisabledException;
import org.apache.hadoop.hbase.TableNotEnabledException;
import org.apache.hadoop.hbase.TableNotFoundException;
import org.apache.hadoop.hbase.ZooKeeperConnectionException;
import org.apache.hadoop.hbase.constraint.ConstraintException;
import org.apache.hadoop.hbase.master.AssignmentManager;
import org.apache.hadoop.hbase.master.HMaster;
import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.regionserver.HRegion;
import org.apache.hadoop.hbase.regionserver.HRegionServer;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.Pair;
import org.apache.hadoop.hbase.wal.DefaultWALProvider;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import com.google.protobuf.ServiceException;
/**
* Class to test HBaseAdmin.
* Spins up the minicluster once at test start and then takes it down afterward.
* Add any testing of HBaseAdmin functionality here.
*/
@Category(LargeTests.class)
public class TestAdmin2 {
final Log LOG = LogFactory.getLog(getClass());
private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
private Admin admin;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
TEST_UTIL.getConfiguration().setBoolean("hbase.online.schema.update.enable", true);
TEST_UTIL.getConfiguration().setInt("hbase.regionserver.msginterval", 100);
TEST_UTIL.getConfiguration().setInt("hbase.client.pause", 250);
TEST_UTIL.getConfiguration().setInt("hbase.client.retries.number", 6);
TEST_UTIL.getConfiguration().setBoolean(
"hbase.master.enabletable.roundrobin", true);
TEST_UTIL.startMiniCluster(3);
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
TEST_UTIL.shutdownMiniCluster();
}
@Before
public void setUp() throws Exception {
this.admin = TEST_UTIL.getHBaseAdmin();
}
@After
public void tearDown() throws Exception {
for (HTableDescriptor htd : this.admin.listTables()) {
TEST_UTIL.deleteTable(htd.getName());
}
}
@Test (timeout=300000)
public void testCreateBadTables() throws IOException {
String msg = null;
try {
this.admin.createTable(new HTableDescriptor(TableName.META_TABLE_NAME));
} catch(TableExistsException e) {
msg = e.toString();
}
assertTrue("Unexcepted exception message " + msg, msg != null &&
msg.startsWith(TableExistsException.class.getName()) &&
msg.contains(TableName.META_TABLE_NAME.getNameAsString()));
// Now try and do concurrent creation with a bunch of threads.
final HTableDescriptor threadDesc =
new HTableDescriptor(TableName.valueOf("threaded_testCreateBadTables"));
threadDesc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
int count = 10;
Thread [] threads = new Thread [count];
final AtomicInteger successes = new AtomicInteger(0);
final AtomicInteger failures = new AtomicInteger(0);
final Admin localAdmin = this.admin;
for (int i = 0; i < count; i++) {
threads[i] = new Thread(Integer.toString(i)) {
@Override
public void run() {
try {
localAdmin.createTable(threadDesc);
successes.incrementAndGet();
} catch (TableExistsException e) {
failures.incrementAndGet();
} catch (IOException e) {
throw new RuntimeException("Failed threaded create" + getName(), e);
}
}
};
}
for (int i = 0; i < count; i++) {
threads[i].start();
}
for (int i = 0; i < count; i++) {
while(threads[i].isAlive()) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
// continue
}
}
}
// All threads are now dead. Count up how many tables were created and
// how many failed w/ appropriate exception.
assertEquals(1, successes.get());
assertEquals(count - 1, failures.get());
}
/**
* Test for hadoop-1581 'HBASE: Unopenable tablename bug'.
* @throws Exception
*/
@Test (timeout=300000)
public void testTableNameClash() throws Exception {
String name = "testTableNameClash";
HTableDescriptor htd1 = new HTableDescriptor(TableName.valueOf(name + "SOMEUPPERCASE"));
HTableDescriptor htd2 = new HTableDescriptor(TableName.valueOf(name));
htd1.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
htd2.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
admin.createTable(htd1);
admin.createTable(htd2);
// Before fix, below would fail throwing a NoServerForRegionException.
new HTable(TEST_UTIL.getConfiguration(), htd2.getTableName()).close();
}
/***
* HMaster.createTable used to be kind of synchronous call
* Thus creating of table with lots of regions can cause RPC timeout
* After the fix to make createTable truly async, RPC timeout shouldn't be an
* issue anymore
* @throws Exception
*/
@Test (timeout=300000)
public void testCreateTableRPCTimeOut() throws Exception {
String name = "testCreateTableRPCTimeOut";
int oldTimeout = TEST_UTIL.getConfiguration().
getInt(HConstants.HBASE_RPC_TIMEOUT_KEY, HConstants.DEFAULT_HBASE_RPC_TIMEOUT);
TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_RPC_TIMEOUT_KEY, 1500);
try {
int expectedRegions = 100;
// Use 80 bit numbers to make sure we aren't limited
byte [] startKey = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
byte [] endKey = { 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 };
Admin hbaseadmin = new HBaseAdmin(TEST_UTIL.getConfiguration());
HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(name));
htd.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
hbaseadmin.createTable(htd, startKey, endKey, expectedRegions);
hbaseadmin.close();
} finally {
TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_RPC_TIMEOUT_KEY, oldTimeout);
}
}
/**
* Test read only tables
* @throws Exception
*/
@Test (timeout=300000)
public void testReadOnlyTable() throws Exception {
TableName name = TableName.valueOf("testReadOnlyTable");
Table table = TEST_UTIL.createTable(name, HConstants.CATALOG_FAMILY);
byte[] value = Bytes.toBytes("somedata");
// This used to use an empty row... That must have been a bug
Put put = new Put(value);
put.add(HConstants.CATALOG_FAMILY, HConstants.CATALOG_FAMILY, value);
table.put(put);
table.close();
}
/**
* Test that user table names can contain '-' and '.' so long as they do not
* start with same. HBASE-771
* @throws IOException
*/
@Test (timeout=300000)
public void testTableNames() throws IOException {
byte[][] illegalNames = new byte[][] {
Bytes.toBytes("-bad"),
Bytes.toBytes(".bad")
};
for (byte[] illegalName : illegalNames) {
try {
new HTableDescriptor(TableName.valueOf(illegalName));
throw new IOException("Did not detect '" +
Bytes.toString(illegalName) + "' as an illegal user table name");
} catch (IllegalArgumentException e) {
// expected
}
}
byte[] legalName = Bytes.toBytes("g-oo.d");
try {
new HTableDescriptor(TableName.valueOf(legalName));
} catch (IllegalArgumentException e) {
throw new IOException("Legal user table name: '" +
Bytes.toString(legalName) + "' caused IllegalArgumentException: " +
e.getMessage());
}
}
/**
* For HADOOP-2579
* @throws IOException
*/
@Test (expected=TableExistsException.class, timeout=300000)
public void testTableExistsExceptionWithATable() throws IOException {
final TableName name = TableName.valueOf("testTableExistsExceptionWithATable");
TEST_UTIL.createTable(name, HConstants.CATALOG_FAMILY).close();
TEST_UTIL.createTable(name, HConstants.CATALOG_FAMILY);
}
/**
* Can't disable a table if the table isn't in enabled state
* @throws IOException
*/
@Test (expected=TableNotEnabledException.class, timeout=300000)
public void testTableNotEnabledExceptionWithATable() throws IOException {
final TableName name = TableName.valueOf("testTableNotEnabledExceptionWithATable");
TEST_UTIL.createTable(name, HConstants.CATALOG_FAMILY).close();
this.admin.disableTable(name);
this.admin.disableTable(name);
}
/**
* Can't enable a table if the table isn't in disabled state
* @throws IOException
*/
@Test (expected=TableNotDisabledException.class, timeout=300000)
public void testTableNotDisabledExceptionWithATable() throws IOException {
final TableName name = TableName.valueOf("testTableNotDisabledExceptionWithATable");
Table t = TEST_UTIL.createTable(name, HConstants.CATALOG_FAMILY);
try {
this.admin.enableTable(name);
}finally {
t.close();
}
}
/**
* For HADOOP-2579
* @throws IOException
*/
@Test (expected=TableNotFoundException.class, timeout=300000)
public void testTableNotFoundExceptionWithoutAnyTables() throws IOException {
TableName tableName = TableName
.valueOf("testTableNotFoundExceptionWithoutAnyTables");
Table ht = new HTable(TEST_UTIL.getConfiguration(), tableName);
ht.get(new Get("e".getBytes()));
}
@Test (timeout=300000)
public void testShouldCloseTheRegionBasedOnTheEncodedRegionName()
throws Exception {
TableName TABLENAME =
TableName.valueOf("TestHBACloseRegion");
createTableWithDefaultConf(TABLENAME);
HRegionInfo info = null;
HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLENAME);
List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs.getRSRpcServices());
for (HRegionInfo regionInfo : onlineRegions) {
if (!regionInfo.getTable().isSystemTable()) {
info = regionInfo;
admin.closeRegionWithEncodedRegionName(regionInfo.getEncodedName(), rs
.getServerName().getServerName());
}
}
boolean isInList = ProtobufUtil.getOnlineRegions(
rs.getRSRpcServices()).contains(info);
long timeout = System.currentTimeMillis() + 10000;
while ((System.currentTimeMillis() < timeout) && (isInList)) {
Thread.sleep(100);
isInList = ProtobufUtil.getOnlineRegions(
rs.getRSRpcServices()).contains(info);
}
assertFalse("The region should not be present in online regions list.",
isInList);
}
@Test (timeout=300000)
public void testCloseRegionIfInvalidRegionNameIsPassed() throws Exception {
byte[] TABLENAME = Bytes.toBytes("TestHBACloseRegion1");
createTableWithDefaultConf(TABLENAME);
HRegionInfo info = null;
HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TableName.valueOf(TABLENAME));
List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs.getRSRpcServices());
for (HRegionInfo regionInfo : onlineRegions) {
if (!regionInfo.isMetaTable()) {
if (regionInfo.getRegionNameAsString().contains("TestHBACloseRegion1")) {
info = regionInfo;
try {
admin.closeRegionWithEncodedRegionName("sample", rs.getServerName()
.getServerName());
} catch (NotServingRegionException nsre) {
// expected, ignore it
}
}
}
}
onlineRegions = ProtobufUtil.getOnlineRegions(rs.getRSRpcServices());
assertTrue("The region should be present in online regions list.",
onlineRegions.contains(info));
}
@Test (timeout=300000)
public void testCloseRegionThatFetchesTheHRIFromMeta() throws Exception {
TableName TABLENAME =
TableName.valueOf("TestHBACloseRegion2");
createTableWithDefaultConf(TABLENAME);
HRegionInfo info = null;
HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLENAME);
List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs.getRSRpcServices());
for (HRegionInfo regionInfo : onlineRegions) {
if (!regionInfo.isMetaTable()) {
if (regionInfo.getRegionNameAsString().contains("TestHBACloseRegion2")) {
info = regionInfo;
admin.closeRegion(regionInfo.getRegionNameAsString(), rs
.getServerName().getServerName());
}
}
}
boolean isInList = ProtobufUtil.getOnlineRegions(
rs.getRSRpcServices()).contains(info);
long timeout = System.currentTimeMillis() + 10000;
while ((System.currentTimeMillis() < timeout) && (isInList)) {
Thread.sleep(100);
isInList = ProtobufUtil.getOnlineRegions(
rs.getRSRpcServices()).contains(info);
}
assertFalse("The region should not be present in online regions list.",
isInList);
}
@Test (timeout=300000)
public void testCloseRegionWhenServerNameIsNull() throws Exception {
byte[] TABLENAME = Bytes.toBytes("TestHBACloseRegion3");
createTableWithDefaultConf(TABLENAME);
HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TableName.valueOf(TABLENAME));
try {
List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs.getRSRpcServices());
for (HRegionInfo regionInfo : onlineRegions) {
if (!regionInfo.isMetaTable()) {
if (regionInfo.getRegionNameAsString()
.contains("TestHBACloseRegion3")) {
admin.closeRegionWithEncodedRegionName(regionInfo.getEncodedName(),
null);
}
}
}
fail("The test should throw exception if the servername passed is null.");
} catch (IllegalArgumentException e) {
}
}
@Test (timeout=300000)
public void testCloseRegionWhenServerNameIsEmpty() throws Exception {
byte[] TABLENAME = Bytes.toBytes("TestHBACloseRegionWhenServerNameIsEmpty");
createTableWithDefaultConf(TABLENAME);
HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TableName.valueOf(TABLENAME));
try {
List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs.getRSRpcServices());
for (HRegionInfo regionInfo : onlineRegions) {
if (!regionInfo.isMetaTable()) {
if (regionInfo.getRegionNameAsString()
.contains("TestHBACloseRegionWhenServerNameIsEmpty")) {
admin.closeRegionWithEncodedRegionName(regionInfo.getEncodedName(),
" ");
}
}
}
fail("The test should throw exception if the servername passed is empty.");
} catch (IllegalArgumentException e) {
}
}
@Test (timeout=300000)
public void testCloseRegionWhenEncodedRegionNameIsNotGiven() throws Exception {
byte[] TABLENAME = Bytes.toBytes("TestHBACloseRegion4");
createTableWithDefaultConf(TABLENAME);
HRegionInfo info = null;
HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TableName.valueOf(TABLENAME));
List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs.getRSRpcServices());
for (HRegionInfo regionInfo : onlineRegions) {
if (!regionInfo.isMetaTable()) {
if (regionInfo.getRegionNameAsString().contains("TestHBACloseRegion4")) {
info = regionInfo;
try {
admin.closeRegionWithEncodedRegionName(regionInfo
.getRegionNameAsString(), rs.getServerName().getServerName());
} catch (NotServingRegionException nsre) {
// expected, ignore it.
}
}
}
}
onlineRegions = ProtobufUtil.getOnlineRegions(rs.getRSRpcServices());
assertTrue("The region should be present in online regions list.",
onlineRegions.contains(info));
}
private HBaseAdmin createTable(byte[] TABLENAME) throws IOException {
Configuration config = TEST_UTIL.getConfiguration();
HBaseAdmin admin = new HBaseAdmin(config);
HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(TABLENAME));
HColumnDescriptor hcd = new HColumnDescriptor("value");
htd.addFamily(hcd);
admin.createTable(htd, null);
return admin;
}
private void createTableWithDefaultConf(byte[] TABLENAME) throws IOException {
createTableWithDefaultConf(TableName.valueOf(TABLENAME));
}
private void createTableWithDefaultConf(TableName TABLENAME) throws IOException {
HTableDescriptor htd = new HTableDescriptor(TABLENAME);
HColumnDescriptor hcd = new HColumnDescriptor("value");
htd.addFamily(hcd);
admin.createTable(htd, null);
}
/**
* For HBASE-2556
* @throws IOException
*/
@Test (timeout=300000)
public void testGetTableRegions() throws IOException {
final TableName tableName = TableName.valueOf("testGetTableRegions");
int expectedRegions = 10;
// Use 80 bit numbers to make sure we aren't limited
byte [] startKey = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
byte [] endKey = { 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 };
HTableDescriptor desc = new HTableDescriptor(tableName);
desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
admin.createTable(desc, startKey, endKey, expectedRegions);
List<HRegionInfo> RegionInfos = admin.getTableRegions(tableName);
assertEquals("Tried to create " + expectedRegions + " regions " +
"but only found " + RegionInfos.size(),
expectedRegions, RegionInfos.size());
}
@Test (timeout=300000)
public void testWALRollWriting() throws Exception {
setUpforLogRolling();
String className = this.getClass().getName();
StringBuilder v = new StringBuilder(className);
while (v.length() < 1000) {
v.append(className);
}
byte[] value = Bytes.toBytes(v.toString());
HRegionServer regionServer = startAndWriteData(TableName.valueOf("TestLogRolling"), value);
LOG.info("after writing there are "
+ DefaultWALProvider.getNumRolledLogFiles(regionServer.getWAL(null)) + " log files");
// flush all regions
List<HRegion> regions = new ArrayList<HRegion>(regionServer
.getOnlineRegionsLocalContext());
for (HRegion r : regions) {
r.flushcache();
}
admin.rollWALWriter(regionServer.getServerName());
int count = DefaultWALProvider.getNumRolledLogFiles(regionServer.getWAL(null));
LOG.info("after flushing all regions and rolling logs there are " +
count + " log files");
assertTrue(("actual count: " + count), count <= 2);
}
@Test (timeout=300000)
public void testMoveToPreviouslyAssignedRS() throws IOException, InterruptedException {
byte[] tableName = Bytes.toBytes("testMoveToPreviouslyAssignedRS");
MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
HMaster master = cluster.getMaster();
HBaseAdmin localAdmin = createTable(tableName);
List<HRegionInfo> tableRegions = localAdmin.getTableRegions(tableName);
HRegionInfo hri = tableRegions.get(0);
AssignmentManager am = master.getAssignmentManager();
assertTrue("Region " + hri.getRegionNameAsString()
+ " should be assigned properly", am.waitForAssignment(hri));
ServerName server = am.getRegionStates().getRegionServerOfRegion(hri);
localAdmin.move(hri.getEncodedNameAsBytes(), Bytes.toBytes(server.getServerName()));
assertEquals("Current region server and region server before move should be same.", server,
am.getRegionStates().getRegionServerOfRegion(hri));
}
private void setUpforLogRolling() {
// Force a region split after every 768KB
TEST_UTIL.getConfiguration().setLong(HConstants.HREGION_MAX_FILESIZE,
768L * 1024L);
// We roll the log after every 32 writes
TEST_UTIL.getConfiguration().setInt("hbase.regionserver.maxlogentries", 32);
TEST_UTIL.getConfiguration().setInt(
"hbase.regionserver.logroll.errors.tolerated", 2);
TEST_UTIL.getConfiguration().setInt("hbase.rpc.timeout", 10 * 1000);
// For less frequently updated regions flush after every 2 flushes
TEST_UTIL.getConfiguration().setInt(
"hbase.hregion.memstore.optionalflushcount", 2);
// We flush the cache after every 8192 bytes
TEST_UTIL.getConfiguration().setInt(HConstants.HREGION_MEMSTORE_FLUSH_SIZE,
8192);
// Increase the amount of time between client retries
TEST_UTIL.getConfiguration().setLong("hbase.client.pause", 10 * 1000);
// Reduce thread wake frequency so that other threads can get
// a chance to run.
TEST_UTIL.getConfiguration().setInt(HConstants.THREAD_WAKE_FREQUENCY,
2 * 1000);
/**** configuration for testLogRollOnDatanodeDeath ****/
// make sure log.hflush() calls syncFs() to open a pipeline
TEST_UTIL.getConfiguration().setBoolean("dfs.support.append", true);
// lower the namenode & datanode heartbeat so the namenode
// quickly detects datanode failures
TEST_UTIL.getConfiguration().setInt("dfs.namenode.heartbeat.recheck-interval", 5000);
TEST_UTIL.getConfiguration().setInt("dfs.heartbeat.interval", 1);
// the namenode might still try to choose the recently-dead datanode
// for a pipeline, so try to a new pipeline multiple times
TEST_UTIL.getConfiguration().setInt("dfs.client.block.write.retries", 30);
TEST_UTIL.getConfiguration().setInt(
"hbase.regionserver.hlog.tolerable.lowreplication", 2);
TEST_UTIL.getConfiguration().setInt(
"hbase.regionserver.hlog.lowreplication.rolllimit", 3);
}
private HRegionServer startAndWriteData(TableName tableName, byte[] value)
throws IOException, InterruptedException {
// When the hbase:meta table can be opened, the region servers are running
new HTable(
TEST_UTIL.getConfiguration(), TableName.META_TABLE_NAME).close();
// Create the test table and open it
HTableDescriptor desc = new HTableDescriptor(tableName);
desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
admin.createTable(desc);
Table table = new HTable(TEST_UTIL.getConfiguration(), tableName);
HRegionServer regionServer = TEST_UTIL.getRSForFirstRegionInTable(tableName);
for (int i = 1; i <= 256; i++) { // 256 writes should cause 8 log rolls
Put put = new Put(Bytes.toBytes("row" + String.format("%1$04d", i)));
put.add(HConstants.CATALOG_FAMILY, null, value);
table.put(put);
if (i % 32 == 0) {
// After every 32 writes sleep to let the log roller run
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
// continue
}
}
}
table.close();
return regionServer;
}
/**
* HBASE-4417 checkHBaseAvailable() doesn't close zk connections
*/
@Test (timeout=300000)
public void testCheckHBaseAvailableClosesConnection() throws Exception {
Configuration conf = TEST_UTIL.getConfiguration();
int initialCount = HConnectionTestingUtility.getConnectionCount();
HBaseAdmin.checkHBaseAvailable(conf);
int finalCount = HConnectionTestingUtility.getConnectionCount();
Assert.assertEquals(initialCount, finalCount) ;
}
/**
* Check that we have an exception if the cluster is not there.
*/
@Test (timeout=300000)
public void testCheckHBaseAvailableWithoutCluster() {
Configuration conf = new Configuration(TEST_UTIL.getConfiguration());
// Change the ZK address to go to something not used.
conf.setInt(HConstants.ZOOKEEPER_CLIENT_PORT,
conf.getInt(HConstants.ZOOKEEPER_CLIENT_PORT, 9999)+10);
int initialCount = HConnectionTestingUtility.getConnectionCount();
long start = System.currentTimeMillis();
try {
HBaseAdmin.checkHBaseAvailable(conf);
assertTrue(false);
} catch (MasterNotRunningException ignored) {
} catch (ZooKeeperConnectionException ignored) {
} catch (ServiceException ignored) {
} catch (IOException ignored) {
}
long end = System.currentTimeMillis();
int finalCount = HConnectionTestingUtility.getConnectionCount();
Assert.assertEquals(initialCount, finalCount) ;
LOG.info("It took "+(end-start)+" ms to find out that" +
" HBase was not available");
}
@Test (timeout=300000)
public void testDisableCatalogTable() throws Exception {
try {
this.admin.disableTable(TableName.META_TABLE_NAME);
fail("Expected to throw ConstraintException");
} catch (ConstraintException e) {
}
// Before the fix for HBASE-6146, the below table creation was failing as the hbase:meta table
// actually getting disabled by the disableTable() call.
HTableDescriptor htd = new HTableDescriptor(TableName.valueOf("testDisableCatalogTable".getBytes()));
HColumnDescriptor hcd = new HColumnDescriptor("cf1".getBytes());
htd.addFamily(hcd);
TEST_UTIL.getHBaseAdmin().createTable(htd);
}
@Test (timeout=300000)
public void testIsEnabledOrDisabledOnUnknownTable() throws Exception {
try {
admin.isTableEnabled(TableName.valueOf("unkownTable"));
fail("Test should fail if isTableEnabled called on unknown table.");
} catch (IOException e) {
}
try {
admin.isTableDisabled(TableName.valueOf("unkownTable"));
fail("Test should fail if isTableDisabled called on unknown table.");
} catch (IOException e) {
}
}
@Test (timeout=300000)
public void testGetRegion() throws Exception {
// We use actual HBaseAdmin instance instead of going via Admin interface in
// here because makes use of an internal HBA method (TODO: Fix.).
HBaseAdmin rawAdmin = new HBaseAdmin(TEST_UTIL.getConfiguration());
final TableName tableName = TableName.valueOf("testGetRegion");
LOG.info("Started " + tableName);
HTable t = TEST_UTIL.createTable(tableName, HConstants.CATALOG_FAMILY);
TEST_UTIL.createMultiRegions(t, HConstants.CATALOG_FAMILY);
HRegionLocation regionLocation = t.getRegionLocation("mmm");
HRegionInfo region = regionLocation.getRegionInfo();
byte[] regionName = region.getRegionName();
Pair<HRegionInfo, ServerName> pair = rawAdmin.getRegion(regionName);
assertTrue(Bytes.equals(regionName, pair.getFirst().getRegionName()));
pair = rawAdmin.getRegion(region.getEncodedNameAsBytes());
assertTrue(Bytes.equals(regionName, pair.getFirst().getRegionName()));
}
}