hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationDisableInactivePeer.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.replication;
  19
  20 import static org.junit.Assert.assertArrayEquals;
  21 import static org.junit.Assert.fail;
  22
  23 import org.apache.hadoop.hbase.HBaseClassTestRule;
  24 import org.apache.hadoop.hbase.client.Get;
  25 import org.apache.hadoop.hbase.client.Put;
  26 import org.apache.hadoop.hbase.client.Result;
  27 import org.apache.hadoop.hbase.testclassification.LargeTests;
  28 import org.apache.hadoop.hbase.testclassification.ReplicationTests;
  29 import org.apache.hadoop.hbase.util.Bytes;
  30 import org.junit.ClassRule;
  31 import org.junit.Test;
  32 import org.junit.experimental.categories.Category;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 @Category({ReplicationTests.class, LargeTests.class})
  37 public class TestReplicationDisableInactivePeer extends TestReplicationBase {
  38
  39   @ClassRule
  40   public static final HBaseClassTestRule CLASS_RULE =
  41       HBaseClassTestRule.forClass(TestReplicationDisableInactivePeer.class);
  42
  43   private static final Logger LOG =
  44       LoggerFactory.getLogger(TestReplicationDisableInactivePeer.class);
  45
  46   /**
  47    * Test disabling an inactive peer. Add a peer which is inactive, trying to
  48    * insert, disable the peer, then activate the peer and make sure nothing is
  49    * replicated. In Addition, enable the peer and check the updates are
  50    * replicated.
  51    *
  52    * @throws Exception
  53    */
  54   @Test
  55   public void testDisableInactivePeer() throws Exception {
  56     UTIL2.shutdownMiniHBaseCluster();
  57
  58     byte[] rowkey = Bytes.toBytes("disable inactive peer");
  59     Put put = new Put(rowkey);
  60     put.addColumn(famName, row, row);
  61     htable1.put(put);
  62
  63     // wait for the sleep interval of the master cluster to become long
  64     Thread.sleep(SLEEP_TIME * NB_RETRIES);
  65
  66     // disable and start the peer
  67     hbaseAdmin.disableReplicationPeer("2");
  68     restartTargetHBaseCluster(2);
  69     Get get = new Get(rowkey);
  70     for (int i = 0; i < NB_RETRIES; i++) {
  71       Result res = htable2.get(get);
  72       if (res.size() >= 1) {
  73         fail("Replication wasn't disabled");
  74       } else {
  75         LOG.info("Row not replicated, let's wait a bit more...");
  76         Thread.sleep(SLEEP_TIME);
  77       }
  78     }
  79
  80     // Test enable replication
  81     hbaseAdmin.enableReplicationPeer("2");
  82     // wait since the sleep interval would be long
  83     Thread.sleep(SLEEP_TIME * NB_RETRIES);
  84     for (int i = 0; i < NB_RETRIES; i++) {
  85       Result res = htable2.get(get);
  86       if (res.isEmpty()) {
  87         LOG.info("Row not available");
  88         Thread.sleep(SLEEP_TIME * NB_RETRIES);
  89       } else {
  90         assertArrayEquals(row, res.value());
  91         return;
  92       }
  93     }
  94     fail("Waited too much time for put replication");
  95   }
  96 }