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.master;
019
020import static org.junit.Assert.assertFalse;
021import static org.junit.Assert.assertTrue;
022
023import java.io.IOException;
024import org.apache.hadoop.conf.Configuration;
025import org.apache.hadoop.hbase.HBaseClassTestRule;
026import org.apache.hadoop.hbase.HBaseTestingUtility;
027import org.apache.hadoop.hbase.MiniHBaseCluster;
028import org.apache.hadoop.hbase.StartMiniClusterOption;
029import org.apache.hadoop.hbase.testclassification.MasterTests;
030import org.apache.hadoop.hbase.testclassification.MediumTests;
031import org.junit.After;
032import org.junit.Before;
033import org.junit.ClassRule;
034import org.junit.Test;
035import org.junit.experimental.categories.Category;
036
037/**
038 * Test for Regions Recovery Config Manager
039 */
040@Category({ MasterTests.class, MediumTests.class })
041public class TestRegionsRecoveryConfigManager {
042
043  @ClassRule
044  public static final HBaseClassTestRule CLASS_RULE =
045    HBaseClassTestRule.forClass(TestRegionsRecoveryConfigManager.class);
046
047  private static final HBaseTestingUtility HBASE_TESTING_UTILITY = new HBaseTestingUtility();
048
049  private MiniHBaseCluster cluster;
050
051  private HMaster hMaster;
052
053  private RegionsRecoveryConfigManager regionsRecoveryConfigManager;
054
055  private Configuration conf;
056
057  @Before
058  public void setup() throws Exception {
059    conf = HBASE_TESTING_UTILITY.getConfiguration();
060    conf.unset("hbase.regions.recovery.store.file.ref.count");
061    conf.unset("hbase.master.regions.recovery.check.interval");
062    StartMiniClusterOption option = StartMiniClusterOption.builder().masterClass(TestHMaster.class)
063      .numRegionServers(1).numDataNodes(1).build();
064    HBASE_TESTING_UTILITY.startMiniCluster(option);
065    cluster = HBASE_TESTING_UTILITY.getMiniHBaseCluster();
066  }
067
068  @After
069  public void tearDown() throws Exception {
070    HBASE_TESTING_UTILITY.shutdownMiniCluster();
071  }
072
073  @Test
074  public void testChoreSchedule() throws Exception {
075    this.hMaster = cluster.getMaster();
076
077    this.regionsRecoveryConfigManager = new RegionsRecoveryConfigManager(this.hMaster);
078    // not yet scheduled
079    assertFalse(
080      hMaster.getChoreService().isChoreScheduled(regionsRecoveryConfigManager.getChore()));
081
082    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
083    // not yet scheduled
084    assertFalse(
085      hMaster.getChoreService().isChoreScheduled(regionsRecoveryConfigManager.getChore()));
086
087    conf.setInt("hbase.master.regions.recovery.check.interval", 10);
088    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
089    // not yet scheduled - missing config: hbase.regions.recovery.store.file.ref.count
090    assertFalse(
091      hMaster.getChoreService().isChoreScheduled(regionsRecoveryConfigManager.getChore()));
092
093    conf.setInt("hbase.regions.recovery.store.file.ref.count", 10);
094    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
095    // chore scheduled
096    assertTrue(hMaster.getChoreService().isChoreScheduled(regionsRecoveryConfigManager.getChore()));
097
098    conf.setInt("hbase.regions.recovery.store.file.ref.count", 20);
099    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
100    // chore re-scheduled
101    assertTrue(hMaster.getChoreService().isChoreScheduled(regionsRecoveryConfigManager.getChore()));
102
103    conf.setInt("hbase.regions.recovery.store.file.ref.count", 20);
104    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
105    // chore scheduling untouched
106    assertTrue(hMaster.getChoreService().isChoreScheduled(regionsRecoveryConfigManager.getChore()));
107
108    conf.unset("hbase.regions.recovery.store.file.ref.count");
109    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
110    // chore un-scheduled
111    assertFalse(
112      hMaster.getChoreService().isChoreScheduled(regionsRecoveryConfigManager.getChore()));
113  }
114
115  // Make it public so that JVMClusterUtil can access it.
116  public static class TestHMaster extends HMaster {
117    public TestHMaster(Configuration conf) throws IOException {
118      super(conf);
119    }
120  }
121}