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 */
018
019package org.apache.hadoop.hbase.master.cleaner;
020
021import static org.junit.Assert.assertEquals;
022import static org.junit.Assert.assertTrue;
023
024import java.util.List;
025import java.util.Map;
026import org.apache.hadoop.conf.Configuration;
027import org.apache.hadoop.hbase.HBaseClassTestRule;
028import org.apache.hadoop.hbase.HBaseTestingUtility;
029import org.apache.hadoop.hbase.replication.ReplicationFactory;
030import org.apache.hadoop.hbase.replication.ReplicationQueues;
031import org.apache.hadoop.hbase.replication.ReplicationQueuesArguments;
032import org.apache.hadoop.hbase.replication.ReplicationQueuesZKImpl;
033import org.apache.hadoop.hbase.testclassification.MasterTests;
034import org.apache.hadoop.hbase.testclassification.MediumTests;
035import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
036import org.junit.AfterClass;
037import org.junit.BeforeClass;
038import org.junit.ClassRule;
039import org.junit.Test;
040import org.junit.experimental.categories.Category;
041
042@Category({ MasterTests.class, MediumTests.class })
043public class TestReplicationZKNodeCleaner {
044
045  @ClassRule
046  public static final HBaseClassTestRule CLASS_RULE =
047      HBaseClassTestRule.forClass(TestReplicationZKNodeCleaner.class);
048
049  private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
050
051  private final String ID_ONE = "1";
052  private final String SERVER_ONE = "server1";
053  private final String ID_TWO = "2";
054  private final String SERVER_TWO = "server2";
055
056  private final Configuration conf;
057  private final ZKWatcher zkw;
058  private final ReplicationQueues repQueues;
059
060  public TestReplicationZKNodeCleaner() throws Exception {
061    conf = TEST_UTIL.getConfiguration();
062    zkw = new ZKWatcher(conf, "TestReplicationZKNodeCleaner", null);
063    repQueues = ReplicationFactory.getReplicationQueues(new ReplicationQueuesArguments(conf, null,
064        zkw));
065    assertTrue(repQueues instanceof ReplicationQueuesZKImpl);
066  }
067
068  @BeforeClass
069  public static void setUpBeforeClass() throws Exception {
070    TEST_UTIL.getConfiguration().setInt("hbase.master.cleaner.interval", 10000);
071    TEST_UTIL.startMiniCluster();
072  }
073
074  @AfterClass
075  public static void tearDownAfterClass() throws Exception {
076    TEST_UTIL.shutdownMiniCluster();
077  }
078
079  @Test
080  public void testReplicationZKNodeCleaner() throws Exception {
081    repQueues.init(SERVER_ONE);
082    // add queue for ID_ONE which isn't exist
083    repQueues.addLog(ID_ONE, "file1");
084
085    ReplicationZKNodeCleaner cleaner = new ReplicationZKNodeCleaner(conf, zkw, null);
086    Map<String, List<String>> undeletedQueues = cleaner.getUnDeletedQueues();
087    assertEquals(1, undeletedQueues.size());
088    assertTrue(undeletedQueues.containsKey(SERVER_ONE));
089    assertEquals(1, undeletedQueues.get(SERVER_ONE).size());
090    assertTrue(undeletedQueues.get(SERVER_ONE).contains(ID_ONE));
091
092    // add a recovery queue for ID_TWO which isn't exist
093    repQueues.addLog(ID_TWO + "-" + SERVER_TWO, "file2");
094
095    undeletedQueues = cleaner.getUnDeletedQueues();
096    assertEquals(1, undeletedQueues.size());
097    assertTrue(undeletedQueues.containsKey(SERVER_ONE));
098    assertEquals(2, undeletedQueues.get(SERVER_ONE).size());
099    assertTrue(undeletedQueues.get(SERVER_ONE).contains(ID_ONE));
100    assertTrue(undeletedQueues.get(SERVER_ONE).contains(ID_TWO + "-" + SERVER_TWO));
101
102    cleaner.removeQueues(undeletedQueues);
103    undeletedQueues = cleaner.getUnDeletedQueues();
104    assertEquals(0, undeletedQueues.size());
105  }
106
107  @Test
108  public void testReplicationZKNodeCleanerChore() throws Exception {
109    repQueues.init(SERVER_ONE);
110    // add queue for ID_ONE which isn't exist
111    repQueues.addLog(ID_ONE, "file1");
112    // add a recovery queue for ID_TWO which isn't exist
113    repQueues.addLog(ID_TWO + "-" + SERVER_TWO, "file2");
114
115    // Wait the cleaner chore to run
116    Thread.sleep(20000);
117
118    ReplicationZKNodeCleaner cleaner = new ReplicationZKNodeCleaner(conf, zkw, null);
119    assertEquals(0, cleaner.getUnDeletedQueues().size());
120  }
121}