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 static org.junit.Assert.assertArrayEquals; 021import static org.junit.Assert.fail; 022 023import org.apache.hadoop.hbase.HBaseClassTestRule; 024import org.apache.hadoop.hbase.StartMiniClusterOption; 025import org.apache.hadoop.hbase.client.Get; 026import org.apache.hadoop.hbase.client.Put; 027import org.apache.hadoop.hbase.client.Result; 028import org.apache.hadoop.hbase.testclassification.LargeTests; 029import org.apache.hadoop.hbase.testclassification.ReplicationTests; 030import org.apache.hadoop.hbase.util.Bytes; 031import org.junit.ClassRule; 032import org.junit.Test; 033import org.junit.experimental.categories.Category; 034import org.slf4j.Logger; 035import org.slf4j.LoggerFactory; 036 037@Category({ReplicationTests.class, LargeTests.class}) 038public class TestReplicationDisableInactivePeer extends TestReplicationBase { 039 040 @ClassRule 041 public static final HBaseClassTestRule CLASS_RULE = 042 HBaseClassTestRule.forClass(TestReplicationDisableInactivePeer.class); 043 044 private static final Logger LOG = 045 LoggerFactory.getLogger(TestReplicationDisableInactivePeer.class); 046 047 /** 048 * Test disabling an inactive peer. Add a peer which is inactive, trying to 049 * insert, disable the peer, then activate the peer and make sure nothing is 050 * replicated. In Addition, enable the peer and check the updates are 051 * replicated. 052 * 053 * @throws Exception 054 */ 055 @Test 056 public void testDisableInactivePeer() throws Exception { 057 utility2.shutdownMiniHBaseCluster(); 058 059 byte[] rowkey = Bytes.toBytes("disable inactive peer"); 060 Put put = new Put(rowkey); 061 put.addColumn(famName, row, row); 062 htable1.put(put); 063 064 // wait for the sleep interval of the master cluster to become long 065 Thread.sleep(SLEEP_TIME * NB_RETRIES); 066 067 // disable and start the peer 068 admin.disablePeer("2"); 069 StartMiniClusterOption option = StartMiniClusterOption.builder().numRegionServers(2).build(); 070 utility2.startMiniHBaseCluster(option); 071 Get get = new Get(rowkey); 072 for (int i = 0; i < NB_RETRIES; i++) { 073 Result res = htable2.get(get); 074 if (res.size() >= 1) { 075 fail("Replication wasn't disabled"); 076 } else { 077 LOG.info("Row not replicated, let's wait a bit more..."); 078 Thread.sleep(SLEEP_TIME); 079 } 080 } 081 082 // Test enable replication 083 admin.enablePeer("2"); 084 // wait since the sleep interval would be long 085 Thread.sleep(SLEEP_TIME * NB_RETRIES); 086 for (int i = 0; i < NB_RETRIES; i++) { 087 Result res = htable2.get(get); 088 if (res.isEmpty()) { 089 LOG.info("Row not available"); 090 Thread.sleep(SLEEP_TIME * NB_RETRIES); 091 } else { 092 assertArrayEquals(row, res.value()); 093 return; 094 } 095 } 096 fail("Waited too much time for put replication"); 097 } 098}