001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.replication;
019
020import org.apache.hadoop.hbase.HBaseClassTestRule;
021import org.apache.hadoop.hbase.client.Get;
022import org.apache.hadoop.hbase.client.Put;
023import org.apache.hadoop.hbase.testclassification.LargeTests;
024import org.apache.hadoop.hbase.testclassification.ReplicationTests;
025import org.apache.hadoop.hbase.util.Bytes;
026import org.junit.ClassRule;
027import org.junit.Test;
028import org.junit.experimental.categories.Category;
029
030@Category({ ReplicationTests.class, LargeTests.class })
031public class TestBidirectionSerialReplicationStuck extends TestReplicationBase {
032
033  @ClassRule
034  public static final HBaseClassTestRule CLASS_RULE =
035    HBaseClassTestRule.forClass(TestBidirectionSerialReplicationStuck.class);
036
037  @Override
038  protected boolean isSerialPeer() {
039    return true;
040  }
041
042  @Override
043  public void setUpBase() throws Exception {
044    UTIL1.ensureSomeRegionServersAvailable(2);
045    hbaseAdmin.balancerSwitch(false, true);
046    addPeer(PEER_ID2, tableName, UTIL1, UTIL2);
047    addPeer(PEER_ID2, tableName, UTIL2, UTIL1);
048  }
049
050  @Override
051  public void tearDownBase() throws Exception {
052    removePeer(PEER_ID2, UTIL1);
053    removePeer(PEER_ID2, UTIL2);
054  }
055
056  @Test
057  public void testStuck() throws Exception {
058    // disable the peer cluster1 -> cluster2
059    hbaseAdmin.disableReplicationPeer(PEER_ID2);
060    byte[] qualifier = Bytes.toBytes("q");
061    htable1.put(new Put(Bytes.toBytes("aaa-1")).addColumn(famName, qualifier, Bytes.toBytes(1)));
062
063    // add a row to cluster2 and wait it replicate back to cluster1
064    htable2.put(new Put(Bytes.toBytes("aaa-2")).addColumn(famName, qualifier, Bytes.toBytes(2)));
065    UTIL1.waitFor(30000, () -> htable1.exists(new Get(Bytes.toBytes("aaa-2"))));
066
067    // kill the region server which holds the region which contains our rows
068    UTIL1.getRSForFirstRegionInTable(tableName).abort("for testing");
069    // wait until the region is online
070    UTIL1.waitFor(30000, () -> htable1.exists(new Get(Bytes.toBytes("aaa-2"))));
071
072    // put a new row in cluster1
073    htable1.put(new Put(Bytes.toBytes("aaa-3")).addColumn(famName, qualifier, Bytes.toBytes(3)));
074
075    // enable peer cluster1 -> cluster2, the new row should be replicated to cluster2
076    hbaseAdmin.enableReplicationPeer(PEER_ID2);
077    UTIL1.waitFor(30000, () -> htable2.exists(new Get(Bytes.toBytes("aaa-3"))));
078  }
079}