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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
*
* 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
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package org.apache.hcatalog.hbase.snapshot;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hcatalog.hbase.SkeletonHBaseTest;
import org.apache.hcatalog.hbase.snapshot.transaction.thrift.StoreFamilyRevision;
import org.apache.hcatalog.hbase.snapshot.transaction.thrift.StoreFamilyRevisionList;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.data.Stat;
import org.junit.Test;
public class TestRevisionManager extends SkeletonHBaseTest {
@Test
public void testBasicZNodeCreation() throws IOException, KeeperException, InterruptedException {
int port = getHbaseConf().getInt("hbase.zookeeper.property.clientPort", 2181);
String servers = getHbaseConf().get("hbase.zookeeper.quorum");
String[] splits = servers.split(",");
StringBuffer sb = new StringBuffer();
for (String split : splits) {
sb.append(split);
sb.append(':');
sb.append(port);
}
ZKUtil zkutil = new ZKUtil(sb.toString(), "/rm_base");
String tableName = newTableName("testTable");
List<String> columnFamilies = Arrays.asList("cf001", "cf002", "cf003");
zkutil.createRootZNodes();
ZooKeeper zk = zkutil.getSession();
Stat tempTwo = zk.exists("/rm_base" + PathUtil.DATA_DIR, false);
assertTrue(tempTwo != null);
Stat tempThree = zk.exists("/rm_base" + PathUtil.CLOCK_NODE, false);
assertTrue(tempThree != null);
zkutil.setUpZnodesForTable(tableName, columnFamilies);
String transactionDataTablePath = "/rm_base" + PathUtil.DATA_DIR + "/" + tableName;
Stat result = zk.exists(transactionDataTablePath, false);
assertTrue(result != null);
for (String colFamiliy : columnFamilies) {
String cfPath = transactionDataTablePath + "/" + colFamiliy;
Stat resultTwo = zk.exists(cfPath, false);
assertTrue(resultTwo != null);
}
}
@Test
public void testCommitTransaction() throws IOException {
int port = getHbaseConf().getInt("hbase.zookeeper.property.clientPort", 2181);
String servers = getHbaseConf().get("hbase.zookeeper.quorum");
String[] splits = servers.split(",");
StringBuffer sb = new StringBuffer();
for (String split : splits) {
sb.append(split);
sb.append(':');
sb.append(port);
}
Configuration conf = RevisionManagerConfiguration.create(getHbaseConf());
conf.set(RMConstants.ZOOKEEPER_DATADIR, "/rm_base");
ZKBasedRevisionManager manager = new ZKBasedRevisionManager();
manager.initialize(conf);
manager.open();
ZKUtil zkutil = new ZKUtil(sb.toString(), "/rm_base");
String tableName = newTableName("testTable");
List<String> columnFamilies = Arrays.asList("cf1", "cf2", "cf3");
Transaction txn = manager.beginWriteTransaction(tableName,
columnFamilies);
List<String> cfs = zkutil.getColumnFamiliesOfTable(tableName);
assertTrue(cfs.size() == columnFamilies.size());
for (String cf : cfs) {
assertTrue(columnFamilies.contains(cf));
}
for (String colFamily : columnFamilies) {
String path = PathUtil.getRunningTxnInfoPath("/rm_base", tableName, colFamily);
byte[] data = zkutil.getRawData(path, null);
StoreFamilyRevisionList list = new StoreFamilyRevisionList();
ZKUtil.deserialize(list, data);
assertEquals(list.getRevisionListSize(), 1);
StoreFamilyRevision lightTxn = list.getRevisionList().get(0);
assertEquals(lightTxn.timestamp, txn.getTransactionExpireTimeStamp());
assertEquals(lightTxn.revision, txn.getRevisionNumber());
}
manager.commitWriteTransaction(txn);
for (String colFamiliy : columnFamilies) {
String path = PathUtil.getRunningTxnInfoPath("/rm_base", tableName, colFamiliy);
byte[] data = zkutil.getRawData(path, null);
StoreFamilyRevisionList list = new StoreFamilyRevisionList();
ZKUtil.deserialize(list, data);
assertEquals(list.getRevisionListSize(), 0);
}
manager.close();
}
@Test
public void testAbortTransaction() throws IOException {
int port = getHbaseConf().getInt("hbase.zookeeper.property.clientPort", 2181);
String host = getHbaseConf().get("hbase.zookeeper.quorum");
Configuration conf = RevisionManagerConfiguration.create(getHbaseConf());
conf.set(RMConstants.ZOOKEEPER_DATADIR, "/rm_base");
ZKBasedRevisionManager manager = new ZKBasedRevisionManager();
manager.initialize(conf);
manager.open();
ZKUtil zkutil = new ZKUtil(host + ':' + port, "/rm_base");
String tableName = newTableName("testTable");
List<String> columnFamilies = Arrays.asList("cf1", "cf2", "cf3");
Transaction txn = manager.beginWriteTransaction(tableName, columnFamilies);
List<String> cfs = zkutil.getColumnFamiliesOfTable(tableName);
assertTrue(cfs.size() == columnFamilies.size());
for (String cf : cfs) {
assertTrue(columnFamilies.contains(cf));
}
for (String colFamiliy : columnFamilies) {
String path = PathUtil.getRunningTxnInfoPath("/rm_base", tableName, colFamiliy);
byte[] data = zkutil.getRawData(path, null);
StoreFamilyRevisionList list = new StoreFamilyRevisionList();
ZKUtil.deserialize(list, data);
assertEquals(list.getRevisionListSize(), 1);
StoreFamilyRevision lightTxn = list.getRevisionList().get(0);
assertEquals(lightTxn.timestamp, txn.getTransactionExpireTimeStamp());
assertEquals(lightTxn.revision, txn.getRevisionNumber());
}
manager.abortWriteTransaction(txn);
for (String colFamiliy : columnFamilies) {
String path = PathUtil.getRunningTxnInfoPath("/rm_base", tableName, colFamiliy);
byte[] data = zkutil.getRawData(path, null);
StoreFamilyRevisionList list = new StoreFamilyRevisionList();
ZKUtil.deserialize(list, data);
assertEquals(list.getRevisionListSize(), 0);
}
for (String colFamiliy : columnFamilies) {
String path = PathUtil.getAbortInformationPath("/rm_base", tableName, colFamiliy);
byte[] data = zkutil.getRawData(path, null);
StoreFamilyRevisionList list = new StoreFamilyRevisionList();
ZKUtil.deserialize(list, data);
assertEquals(list.getRevisionListSize(), 1);
StoreFamilyRevision abortedTxn = list.getRevisionList().get(0);
assertEquals(abortedTxn.getRevision(), txn.getRevisionNumber());
}
manager.close();
}
@Test
public void testKeepAliveTransaction() throws InterruptedException, IOException {
int port = getHbaseConf().getInt("hbase.zookeeper.property.clientPort", 2181);
String servers = getHbaseConf().get("hbase.zookeeper.quorum");
String[] splits = servers.split(",");
StringBuffer sb = new StringBuffer();
for (String split : splits) {
sb.append(split);
sb.append(':');
sb.append(port);
}
Configuration conf = RevisionManagerConfiguration.create(getHbaseConf());
conf.set(RMConstants.ZOOKEEPER_DATADIR, "/rm_base");
ZKBasedRevisionManager manager = new ZKBasedRevisionManager();
manager.initialize(conf);
manager.open();
String tableName = newTableName("testTable");
List<String> columnFamilies = Arrays.asList("cf1", "cf2");
Transaction txn = manager.beginWriteTransaction(tableName,
columnFamilies, 40);
Thread.sleep(100);
try {
manager.commitWriteTransaction(txn);
} catch (Exception e) {
assertTrue(e instanceof IOException);
assertEquals(e.getMessage(),
"The transaction to be removed not found in the data.");
}
}
@Test
public void testCreateSnapshot() throws IOException {
int port = getHbaseConf().getInt("hbase.zookeeper.property.clientPort", 2181);
String host = getHbaseConf().get("hbase.zookeeper.quorum");
Configuration conf = RevisionManagerConfiguration.create(getHbaseConf());
conf.set(RMConstants.ZOOKEEPER_DATADIR, "/rm_base");
ZKBasedRevisionManager manager = new ZKBasedRevisionManager();
manager.initialize(conf);
manager.open();
String tableName = newTableName("testTable");
List<String> cfOne = Arrays.asList("cf1", "cf2");
List<String> cfTwo = Arrays.asList("cf2", "cf3");
Transaction tsx1 = manager.beginWriteTransaction(tableName, cfOne);
Transaction tsx2 = manager.beginWriteTransaction(tableName, cfTwo);
TableSnapshot snapshotOne = manager.createSnapshot(tableName);
assertEquals(snapshotOne.getRevision("cf1"), 0);
assertEquals(snapshotOne.getRevision("cf2"), 0);
assertEquals(snapshotOne.getRevision("cf3"), 1);
List<String> cfThree = Arrays.asList("cf1", "cf3");
Transaction tsx3 = manager.beginWriteTransaction(tableName, cfThree);
manager.commitWriteTransaction(tsx1);
TableSnapshot snapshotTwo = manager.createSnapshot(tableName);
assertEquals(snapshotTwo.getRevision("cf1"), 2);
assertEquals(snapshotTwo.getRevision("cf2"), 1);
assertEquals(snapshotTwo.getRevision("cf3"), 1);
manager.commitWriteTransaction(tsx2);
TableSnapshot snapshotThree = manager.createSnapshot(tableName);
assertEquals(snapshotThree.getRevision("cf1"), 2);
assertEquals(snapshotThree.getRevision("cf2"), 3);
assertEquals(snapshotThree.getRevision("cf3"), 2);
manager.commitWriteTransaction(tsx3);
TableSnapshot snapshotFour = manager.createSnapshot(tableName);
assertEquals(snapshotFour.getRevision("cf1"), 3);
assertEquals(snapshotFour.getRevision("cf2"), 3);
assertEquals(snapshotFour.getRevision("cf3"), 3);
}
}