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@Tag(MasterTests.TAG)
042@Tag(MediumTests.TAG)
043public class TestServerCrashProcedureCarryingMetaStuck {
044
045  private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();
046
047  @BeforeAll
048  public static void setUp() throws Exception {
049    UTIL.startMiniCluster(3);
050    UTIL.getAdmin().balancerSwitch(false, true);
051  }
052
053  @AfterAll
054  public static void tearDown() throws Exception {
055    UTIL.shutdownMiniCluster();
056  }
057
058  @Test
059  public void test() throws Exception {
060    RegionServerThread rsThread = null;
061    for (RegionServerThread t : UTIL.getMiniHBaseCluster().getRegionServerThreads()) {
062      if (!t.getRegionServer().getRegions(TableName.META_TABLE_NAME).isEmpty()) {
063        rsThread = t;
064        break;
065      }
066    }
067    HRegionServer rs = rsThread.getRegionServer();
068    RegionInfo hri = rs.getRegions(TableName.META_TABLE_NAME).get(0).getRegionInfo();
069    HMaster master = UTIL.getMiniHBaseCluster().getMaster();
070    ProcedureExecutor<MasterProcedureEnv> executor = master.getMasterProcedureExecutor();
071    DummyRegionProcedure proc = new DummyRegionProcedure(executor.getEnvironment(), hri);
072    long procId = master.getMasterProcedureExecutor().submitProcedure(proc);
073    proc.waitUntilArrive();
074    try (AsyncConnection conn =
075      ConnectionFactory.createAsyncConnection(UTIL.getConfiguration()).get()) {
076      AsyncAdmin admin = conn.getAdmin();
077      CompletableFuture<Void> future = admin.move(hri.getRegionName());
078      rs.abort("For testing!");
079
080      UTIL.waitFor(30000,
081        () -> executor.getProcedures().stream()
082          .filter(p -> p instanceof TransitRegionStateProcedure)
083          .map(p -> (TransitRegionStateProcedure) p)
084          .anyMatch(p -> Bytes.equals(hri.getRegionName(), p.getRegion().getRegionName())));
085      proc.resume();
086      UTIL.waitFor(30000, () -> executor.isFinished(procId));
087      // see whether the move region procedure can finish properly
088      future.get(30, TimeUnit.SECONDS);
089    }
090  }
091}