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.assignment;
019
020import java.io.IOException;
021import java.util.concurrent.CompletableFuture;
022import java.util.concurrent.ExecutionException;
023import java.util.concurrent.TimeUnit;
024import org.apache.hadoop.conf.Configuration;
025import org.apache.hadoop.hbase.HBaseClassTestRule;
026import org.apache.hadoop.hbase.HBaseTestingUtility;
027import org.apache.hadoop.hbase.HConstants;
028import org.apache.hadoop.hbase.ProcedureTestUtil;
029import org.apache.hadoop.hbase.TableName;
030import org.apache.hadoop.hbase.client.AsyncAdmin;
031import org.apache.hadoop.hbase.client.AsyncConnection;
032import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
033import org.apache.hadoop.hbase.client.ConnectionFactory;
034import org.apache.hadoop.hbase.client.RegionLocator;
035import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
036import org.apache.hadoop.hbase.master.HMaster;
037import org.apache.hadoop.hbase.master.MasterServices;
038import org.apache.hadoop.hbase.testclassification.MasterTests;
039import org.apache.hadoop.hbase.testclassification.MediumTests;
040import org.apache.hadoop.hbase.util.Bytes;
041import org.junit.AfterClass;
042import org.junit.BeforeClass;
043import org.junit.ClassRule;
044import org.junit.Test;
045import org.junit.experimental.categories.Category;
046
047/**
048 * Testcase for HBASE-23079.
049 */
050@Category({ MasterTests.class, MediumTests.class })
051public class TestOpenRegionProcedureBackoff {
052
053  @ClassRule
054  public static final HBaseClassTestRule CLASS_RULE =
055    HBaseClassTestRule.forClass(TestOpenRegionProcedureBackoff.class);
056
057  private static volatile boolean FAIL = false;
058
059  private static final class AssignmentManagerForTest extends AssignmentManager {
060
061    public AssignmentManagerForTest(MasterServices master) {
062      super(master);
063    }
064
065    @Override
066    void persistToMeta(RegionStateNode regionNode) throws IOException {
067      if (FAIL) {
068        throw new IOException("Inject Error!");
069      }
070      super.persistToMeta(regionNode);
071    }
072  }
073
074  public static final class HMasterForTest extends HMaster {
075
076    public HMasterForTest(Configuration conf) throws IOException {
077      super(conf);
078    }
079
080    @Override
081    protected AssignmentManager createAssignmentManager(MasterServices master) {
082      return new AssignmentManagerForTest(master);
083    }
084  }
085
086  private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
087
088  private static TableName NAME = TableName.valueOf("Open");
089
090  private static byte[] CF = Bytes.toBytes("cf");
091
092  @BeforeClass
093  public static void setUp() throws Exception {
094    Configuration conf = UTIL.getConfiguration();
095    conf.setClass(HConstants.MASTER_IMPL, HMasterForTest.class, HMaster.class);
096    UTIL.startMiniCluster(1);
097    UTIL.waitFor(10000, () -> {
098      try (
099        RegionLocator locator = UTIL.getConnection().getRegionLocator(TableName.META_TABLE_NAME)) {
100        return locator.getRegionLocation(HConstants.EMPTY_START_ROW) != null;
101      } catch (Exception e) {
102        return false;
103      }
104    });
105  }
106
107  @AfterClass
108  public static void tearDown() throws Exception {
109    UTIL.shutdownMiniCluster();
110  }
111
112  private void assertBackoffIncrease() throws IOException, InterruptedException {
113    ProcedureTestUtil.waitUntilProcedureWaitingTimeout(UTIL, OpenRegionProcedure.class, 30000);
114    ProcedureTestUtil.waitUntilProcedureTimeoutIncrease(UTIL, OpenRegionProcedure.class, 2);
115  }
116
117  @Test
118  public void testBackoff() throws IOException, InterruptedException, ExecutionException {
119    FAIL = true;
120    try (AsyncConnection conn =
121      ConnectionFactory.createAsyncConnection(UTIL.getConfiguration()).get()) {
122      AsyncAdmin admin = conn.getAdminBuilder().setRpcTimeout(5, TimeUnit.MINUTES)
123        .setOperationTimeout(10, TimeUnit.MINUTES).build();
124      CompletableFuture<?> future = admin.createTable(TableDescriptorBuilder.newBuilder(NAME)
125        .setColumnFamily(ColumnFamilyDescriptorBuilder.of(CF)).build());
126      assertBackoffIncrease();
127      FAIL = false;
128      future.get();
129      UTIL.waitTableAvailable(NAME);
130    }
131  }
132}