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.procedure;
019
020import java.io.IOException;
021import org.apache.hadoop.hbase.HBaseTestingUtil;
022import org.apache.hadoop.hbase.TableName;
023import org.apache.hadoop.hbase.client.RegionInfo;
024import org.apache.hadoop.hbase.master.HMaster;
025import org.apache.hadoop.hbase.master.ServerManager;
026import org.apache.hadoop.hbase.master.assignment.AssignmentManager;
027import org.apache.hadoop.hbase.master.assignment.RegionStateNode;
028import org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure;
029import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;
030import org.apache.hadoop.hbase.testclassification.MasterTests;
031import org.apache.hadoop.hbase.testclassification.MediumTests;
032import org.apache.hadoop.hbase.util.Bytes;
033import org.junit.jupiter.api.AfterAll;
034import org.junit.jupiter.api.BeforeAll;
035import org.junit.jupiter.api.Tag;
036import org.junit.jupiter.api.Test;
037
038/**
039 * Testcase for HBASE-21330.
040 */
041@Tag(MasterTests.TAG)
042@Tag(MediumTests.TAG)
043public class TestReopenTableRegionsProcedureInfiniteLoop {
044
045  private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();
046
047  private static TableName TABLE_NAME = TableName.valueOf("InfiniteLoop");
048
049  private static byte[] CF = Bytes.toBytes("cf");
050
051  @BeforeAll
052  public static void setUp() throws Exception {
053    UTIL.getConfiguration().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 1);
054    UTIL.startMiniCluster(1);
055    UTIL.createTable(TABLE_NAME, CF);
056  }
057
058  @AfterAll
059  public static void tearDown() throws Exception {
060    UTIL.shutdownMiniCluster();
061  }
062
063  @Test
064  public void testInfiniteLoop() throws IOException {
065    HMaster master = UTIL.getMiniHBaseCluster().getMaster();
066    AssignmentManager am = master.getAssignmentManager();
067    ProcedureExecutor<MasterProcedureEnv> exec = master.getMasterProcedureExecutor();
068    RegionInfo regionInfo = UTIL.getAdmin().getRegions(TABLE_NAME).get(0);
069    RegionStateNode regionNode = am.getRegionStates().getRegionStateNode(regionInfo);
070    long procId;
071    ReopenTableRegionsProcedure proc = new ReopenTableRegionsProcedure(TABLE_NAME);
072    regionNode.lock();
073    try {
074      procId = exec.submitProcedure(proc);
075      UTIL.waitFor(30000, () -> proc.hasLock());
076      TransitRegionStateProcedure trsp =
077        TransitRegionStateProcedure.reopen(exec.getEnvironment(), regionInfo);
078      regionNode.setProcedure(trsp);
079      exec.submitProcedure(trsp);
080    } finally {
081      regionNode.unlock();
082    }
083    UTIL.waitFor(60000, () -> exec.isFinished(procId));
084  }
085}