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;
020
021import java.io.IOException;
022
023import org.apache.hadoop.conf.Configuration;
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.HBaseTestingUtility;
026import org.apache.hadoop.hbase.MiniHBaseCluster;
027import org.apache.hadoop.hbase.StartMiniClusterOption;
028import org.apache.hadoop.hbase.Stoppable;
029import org.apache.hadoop.hbase.testclassification.MasterTests;
030import org.apache.hadoop.hbase.testclassification.MediumTests;
031import org.junit.After;
032import org.junit.Assert;
033import org.junit.Before;
034import org.junit.ClassRule;
035import org.junit.Test;
036import org.junit.experimental.categories.Category;
037
038/**
039 * Test for Regions Recovery Config Manager
040 */
041@Category({MasterTests.class, MediumTests.class})
042public class TestRegionsRecoveryConfigManager {
043
044  @ClassRule
045  public static final HBaseClassTestRule CLASS_RULE =
046    HBaseClassTestRule.forClass(TestRegionsRecoveryConfigManager.class);
047
048  private static final HBaseTestingUtility HBASE_TESTING_UTILITY = new HBaseTestingUtility();
049
050  private MiniHBaseCluster cluster;
051
052  private HMaster hMaster;
053
054  private RegionsRecoveryChore regionsRecoveryChore;
055
056  private RegionsRecoveryConfigManager regionsRecoveryConfigManager;
057
058  private Configuration conf;
059
060  @Before
061  public void setup() throws Exception {
062    conf = HBASE_TESTING_UTILITY.getConfiguration();
063    conf.unset("hbase.regions.recovery.store.file.ref.count");
064    conf.unset("hbase.master.regions.recovery.check.interval");
065    StartMiniClusterOption option = StartMiniClusterOption.builder()
066      .masterClass(TestHMaster.class)
067      .numRegionServers(1)
068      .numDataNodes(1).build();
069    HBASE_TESTING_UTILITY.startMiniCluster(option);
070    cluster = HBASE_TESTING_UTILITY.getMiniHBaseCluster();
071  }
072
073  @After
074  public void tearDown() throws Exception {
075    HBASE_TESTING_UTILITY.shutdownMiniCluster();
076  }
077
078  @Test
079  public void testChoreSchedule() throws Exception {
080
081    this.hMaster = cluster.getMaster();
082
083    Stoppable stoppable = new StoppableImplementation();
084    this.regionsRecoveryChore = new RegionsRecoveryChore(stoppable, conf, hMaster);
085
086    this.regionsRecoveryConfigManager = new RegionsRecoveryConfigManager(this.hMaster);
087    // not yet scheduled
088    Assert.assertFalse(hMaster.getChoreService().isChoreScheduled(regionsRecoveryChore));
089
090    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
091    // not yet scheduled
092    Assert.assertFalse(hMaster.getChoreService().isChoreScheduled(regionsRecoveryChore));
093
094    conf.setInt("hbase.master.regions.recovery.check.interval", 10);
095    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
096    // not yet scheduled - missing config: hbase.regions.recovery.store.file.ref.count
097    Assert.assertFalse(hMaster.getChoreService().isChoreScheduled(regionsRecoveryChore));
098
099    conf.setInt("hbase.regions.recovery.store.file.ref.count", 10);
100    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
101    // chore scheduled
102    Assert.assertTrue(hMaster.getChoreService().isChoreScheduled(regionsRecoveryChore));
103
104    conf.setInt("hbase.regions.recovery.store.file.ref.count", 20);
105    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
106    // chore re-scheduled
107    Assert.assertTrue(hMaster.getChoreService().isChoreScheduled(regionsRecoveryChore));
108
109    conf.setInt("hbase.regions.recovery.store.file.ref.count", 20);
110    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
111    // chore scheduling untouched
112    Assert.assertTrue(hMaster.getChoreService().isChoreScheduled(regionsRecoveryChore));
113
114    conf.unset("hbase.regions.recovery.store.file.ref.count");
115    this.regionsRecoveryConfigManager.onConfigurationChange(conf);
116    // chore un-scheduled
117    Assert.assertFalse(hMaster.getChoreService().isChoreScheduled(regionsRecoveryChore));
118  }
119
120  // Make it public so that JVMClusterUtil can access it.
121  public static class TestHMaster extends HMaster {
122    public TestHMaster(Configuration conf) throws IOException {
123      super(conf);
124    }
125  }
126
127  /**
128   * Simple helper class that just keeps track of whether or not its stopped.
129   */
130  private static class StoppableImplementation implements Stoppable {
131
132    private boolean stop = false;
133
134    @Override
135    public void stop(String why) {
136      this.stop = true;
137    }
138
139    @Override
140    public boolean isStopped() {
141      return this.stop;
142    }
143
144  }
145
146}