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 java.util.concurrent.CompletableFuture;
021import java.util.concurrent.TimeUnit;
022import org.apache.hadoop.hbase.HBaseTestingUtil;
023import org.apache.hadoop.hbase.TableName;
024import org.apache.hadoop.hbase.client.AsyncAdmin;
025import org.apache.hadoop.hbase.client.AsyncConnection;
026import org.apache.hadoop.hbase.client.ConnectionFactory;
027import org.apache.hadoop.hbase.client.RegionInfo;
028import org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure;
029import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;
030import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;
031import org.apache.hadoop.hbase.regionserver.HRegionServer;
032import org.apache.hadoop.hbase.testclassification.MasterTests;
033import org.apache.hadoop.hbase.testclassification.MediumTests;
034import org.apache.hadoop.hbase.util.Bytes;
035import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
036import org.junit.jupiter.api.AfterAll;
037import org.junit.jupiter.api.BeforeAll;
038import org.junit.jupiter.api.Tag;
039import org.junit.jupiter.api.Test;
040
041/**
042 * Testcase for HBASE-20634
043 */
044@Tag(MasterTests.TAG)
045@Tag(MediumTests.TAG)
046public class TestServerCrashProcedureStuck {
047
048  private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();
049
050  private static TableName TABLE_NAME = TableName.valueOf("test");
051
052  private static byte[] CF = Bytes.toBytes("cf");
053
054  @BeforeAll
055  public static void setUp() throws Exception {
056    UTIL.startMiniCluster(3);
057    UTIL.getAdmin().balancerSwitch(false, true);
058    UTIL.createTable(TABLE_NAME, CF);
059    UTIL.waitTableAvailable(TABLE_NAME);
060  }
061
062  @AfterAll
063  public static void tearDown() throws Exception {
064    UTIL.shutdownMiniCluster();
065  }
066
067  @Test
068  public void test() throws Exception {
069    RegionServerThread rsThread = null;
070    for (RegionServerThread t : UTIL.getMiniHBaseCluster().getRegionServerThreads()) {
071      if (!t.getRegionServer().getRegions(TABLE_NAME).isEmpty()) {
072        rsThread = t;
073        break;
074      }
075    }
076    HRegionServer rs = rsThread.getRegionServer();
077    RegionInfo hri = rs.getRegions(TABLE_NAME).get(0).getRegionInfo();
078    HMaster master = UTIL.getMiniHBaseCluster().getMaster();
079    ProcedureExecutor<MasterProcedureEnv> executor = master.getMasterProcedureExecutor();
080    DummyRegionProcedure proc = new DummyRegionProcedure(executor.getEnvironment(), hri);
081    long procId = master.getMasterProcedureExecutor().submitProcedure(proc);
082    proc.waitUntilArrive();
083    try (AsyncConnection conn =
084      ConnectionFactory.createAsyncConnection(UTIL.getConfiguration()).get()) {
085      AsyncAdmin admin = conn.getAdmin();
086      CompletableFuture<Void> future = admin.move(hri.getRegionName());
087      rs.abort("For testing!");
088
089      UTIL.waitFor(30000,
090        () -> executor.getProcedures().stream()
091          .filter(p -> p instanceof TransitRegionStateProcedure)
092          .map(p -> (TransitRegionStateProcedure) p)
093          .anyMatch(p -> Bytes.equals(hri.getRegionName(), p.getRegion().getRegionName())));
094      proc.resume();
095      UTIL.waitFor(30000, () -> executor.isFinished(procId));
096      // see whether the move region procedure can finish properly
097      future.get(30, TimeUnit.SECONDS);
098    }
099  }
100}