/**
* 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.replication;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.io.IOException;
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.hbase.Cell;
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.HTableDescriptor;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.KeyValueUtil;
import org.apache.hadoop.hbase.LargeTests;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.Tag;
import org.apache.hadoop.hbase.client.Admin;
import org.apache.hadoop.hbase.client.Durability;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.client.replication.ReplicationAdmin;
import org.apache.hadoop.hbase.codec.KeyValueCodecWithTags;
import org.apache.hadoop.hbase.coprocessor.BaseRegionObserver;
import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;
import org.apache.hadoop.hbase.coprocessor.ObserverContext;
import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@Category(LargeTests.class)
public class TestReplicationWithTags {
private static final Log LOG = LogFactory.getLog(TestReplicationWithTags.class);
private static final byte TAG_TYPE = 1;
private static Configuration conf1 = HBaseConfiguration.create();
private static Configuration conf2;
private static ReplicationAdmin replicationAdmin;
private static Table htable1;
private static Table htable2;
private static HBaseTestingUtility utility1;
private static HBaseTestingUtility utility2;
private static final long SLEEP_TIME = 500;
private static final int NB_RETRIES = 10;
private static final byte[] TABLE_NAME = Bytes.toBytes("TestReplicationWithTags");
private static final byte[] FAMILY = Bytes.toBytes("f");
private static final byte[] ROW = Bytes.toBytes("row");
@BeforeClass
public static void setUpBeforeClass() throws Exception {
conf1.setInt("hfile.format.version", 3);
conf1.set(HConstants.ZOOKEEPER_ZNODE_PARENT, "/1");
conf1.setInt("replication.source.size.capacity", 10240);
conf1.setLong("replication.source.sleepforretries", 100);
conf1.setInt("hbase.regionserver.maxlogs", 10);
conf1.setLong("hbase.master.logcleaner.ttl", 10);
conf1.setInt("zookeeper.recovery.retry", 1);
conf1.setInt("zookeeper.recovery.retry.intervalmill", 10);
conf1.setBoolean("dfs.support.append", true);
conf1.setLong(HConstants.THREAD_WAKE_FREQUENCY, 100);
conf1.setInt("replication.stats.thread.period.seconds", 5);
conf1.setBoolean("hbase.tests.use.shortcircuit.reads", false);
conf1.setStrings(HConstants.REPLICATION_CODEC_CONF_KEY, KeyValueCodecWithTags.class.getName());
conf1.setStrings(CoprocessorHost.USER_REGION_COPROCESSOR_CONF_KEY,
TestCoprocessorForTagsAtSource.class.getName());
utility1 = new HBaseTestingUtility(conf1);
utility1.startMiniZKCluster();
MiniZooKeeperCluster miniZK = utility1.getZkCluster();
// Have to reget conf1 in case zk cluster location different
// than default
conf1 = utility1.getConfiguration();
replicationAdmin = new ReplicationAdmin(conf1);
LOG.info("Setup first Zk");
// Base conf2 on conf1 so it gets the right zk cluster.
conf2 = HBaseConfiguration.create(conf1);
conf2.setInt("hfile.format.version", 3);
conf2.set(HConstants.ZOOKEEPER_ZNODE_PARENT, "/2");
conf2.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 6);
conf2.setBoolean("dfs.support.append", true);
conf2.setBoolean("hbase.tests.use.shortcircuit.reads", false);
conf2.setStrings(HConstants.REPLICATION_CODEC_CONF_KEY, KeyValueCodecWithTags.class.getName());
conf2.setStrings(CoprocessorHost.USER_REGION_COPROCESSOR_CONF_KEY,
TestCoprocessorForTagsAtSink.class.getName());
utility2 = new HBaseTestingUtility(conf2);
utility2.setZkCluster(miniZK);
replicationAdmin.addPeer("2", utility2.getClusterKey());
LOG.info("Setup second Zk");
utility1.startMiniCluster(2);
utility2.startMiniCluster(2);
HTableDescriptor table = new HTableDescriptor(TableName.valueOf(TABLE_NAME));
HColumnDescriptor fam = new HColumnDescriptor(FAMILY);
fam.setMaxVersions(3);
fam.setScope(HConstants.REPLICATION_SCOPE_GLOBAL);
table.addFamily(fam);
Admin admin = null;
try {
admin = new HBaseAdmin(conf1);
admin.createTable(table, HBaseTestingUtility.KEYS_FOR_HBA_CREATE_TABLE);
} finally {
if (admin != null) {
admin.close();
}
}
try {
admin = new HBaseAdmin(conf2);
admin.createTable(table, HBaseTestingUtility.KEYS_FOR_HBA_CREATE_TABLE);
} finally {
if(admin != null){
admin.close();
}
}
htable1 = new HTable(conf1, TABLE_NAME);
htable1.setWriteBufferSize(1024);
htable2 = new HTable(conf2, TABLE_NAME);
}
/**
* @throws java.lang.Exception
*/
@AfterClass
public static void tearDownAfterClass() throws Exception {
utility2.shutdownMiniCluster();
utility1.shutdownMiniCluster();
}
@Test(timeout = 300000)
public void testReplicationWithCellTags() throws Exception {
LOG.info("testSimplePutDelete");
Put put = new Put(ROW);
put.setAttribute("visibility", Bytes.toBytes("myTag3"));
put.add(FAMILY, ROW, ROW);
htable1 = new HTable(conf1, TABLE_NAME);
htable1.put(put);
Get get = new Get(ROW);
try {
for (int i = 0; i < NB_RETRIES; i++) {
if (i == NB_RETRIES - 1) {
fail("Waited too much time for put replication");
}
Result res = htable2.get(get);
if (res.size() == 0) {
LOG.info("Row not available");
Thread.sleep(SLEEP_TIME);
} else {
assertArrayEquals(res.value(), ROW);
assertEquals(1, TestCoprocessorForTagsAtSink.tags.size());
Tag tag = TestCoprocessorForTagsAtSink.tags.get(0);
assertEquals(TAG_TYPE, tag.getType());
break;
}
}
} finally {
TestCoprocessorForTagsAtSink.tags = null;
}
}
public static class TestCoprocessorForTagsAtSource extends BaseRegionObserver {
@Override
public void prePut(final ObserverContext<RegionCoprocessorEnvironment> e, final Put put,
final WALEdit edit, final Durability durability) throws IOException {
byte[] attribute = put.getAttribute("visibility");
byte[] cf = null;
List<Cell> updatedCells = new ArrayList<Cell>();
if (attribute != null) {
for (List<? extends Cell> edits : put.getFamilyCellMap().values()) {
for (Cell cell : edits) {
KeyValue kv = KeyValueUtil.ensureKeyValue(cell);
if (cf == null) {
cf = kv.getFamily();
}
Tag tag = new Tag(TAG_TYPE, attribute);
List<Tag> tagList = new ArrayList<Tag>();
tagList.add(tag);
KeyValue newKV = new KeyValue(kv.getRow(), 0, kv.getRowLength(), kv.getFamily(), 0,
kv.getFamilyLength(), kv.getQualifier(), 0, kv.getQualifierLength(),
kv.getTimestamp(), KeyValue.Type.codeToType(kv.getType()), kv.getValue(), 0,
kv.getValueLength(), tagList);
((List<Cell>) updatedCells).add(newKV);
}
}
put.getFamilyCellMap().remove(cf);
// Update the family map
put.getFamilyCellMap().put(cf, updatedCells);
}
}
}
public static class TestCoprocessorForTagsAtSink extends BaseRegionObserver {
public static List<Tag> tags = null;
@Override
public void postGetOp(ObserverContext<RegionCoprocessorEnvironment> e, Get get,
List<Cell> results) throws IOException {
if (results.size() > 0) {
// Check tag presence in the 1st cell in 1st Result
if (!results.isEmpty()) {
Cell cell = results.get(0);
tags = Tag.asList(cell.getTagsArray(), cell.getTagsOffset(), cell.getTagsLength());
}
}
}
}
}