hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestServerCrashProcedureCarryingMetaStuck.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.master;
  19
  20 import java.util.concurrent.CompletableFuture;
  21 import java.util.concurrent.TimeUnit;
  22 import org.apache.hadoop.hbase.HBaseClassTestRule;
  23 import org.apache.hadoop.hbase.HBaseTestingUtility;
  24 import org.apache.hadoop.hbase.TableName;
  25 import org.apache.hadoop.hbase.client.AsyncAdmin;
  26 import org.apache.hadoop.hbase.client.AsyncConnection;
  27 import org.apache.hadoop.hbase.client.ConnectionFactory;
  28 import org.apache.hadoop.hbase.client.RegionInfo;
  29 import org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure;
  30 import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;
  31 import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;
  32 import org.apache.hadoop.hbase.regionserver.HRegionServer;
  33 import org.apache.hadoop.hbase.testclassification.MasterTests;
  34 import org.apache.hadoop.hbase.testclassification.MediumTests;
  35 import org.apache.hadoop.hbase.util.Bytes;
  36 import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
  37 import org.junit.AfterClass;
  38 import org.junit.BeforeClass;
  39 import org.junit.ClassRule;
  40 import org.junit.Test;
  41 import org.junit.experimental.categories.Category;
  42
  43 @Category({ MasterTests.class, MediumTests.class })
  44 public class TestServerCrashProcedureCarryingMetaStuck {
  45
  46   @ClassRule
  47   public static final HBaseClassTestRule CLASS_RULE =
  48     HBaseClassTestRule.forClass(TestServerCrashProcedureCarryingMetaStuck.class);
  49
  50   private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
  51
  52   @BeforeClass
  53   public static void setUp() throws Exception {
  54     UTIL.startMiniCluster(3);
  55     UTIL.getAdmin().balancerSwitch(false, true);
  56   }
  57
  58   @AfterClass
  59   public static void tearDown() throws Exception {
  60     UTIL.shutdownMiniCluster();
  61   }
  62
  63   @Test
  64   public void test() throws Exception {
  65     RegionServerThread rsThread = null;
  66     for (RegionServerThread t : UTIL.getMiniHBaseCluster().getRegionServerThreads()) {
  67       if (!t.getRegionServer().getRegions(TableName.META_TABLE_NAME).isEmpty()) {
  68         rsThread = t;
  69         break;
  70       }
  71     }
  72     HRegionServer rs = rsThread.getRegionServer();
  73     RegionInfo hri = rs.getRegions(TableName.META_TABLE_NAME).get(0).getRegionInfo();
  74     HMaster master = UTIL.getMiniHBaseCluster().getMaster();
  75     ProcedureExecutor<MasterProcedureEnv> executor = master.getMasterProcedureExecutor();
  76     DummyRegionProcedure proc = new DummyRegionProcedure(executor.getEnvironment(), hri);
  77     long procId = master.getMasterProcedureExecutor().submitProcedure(proc);
  78     proc.waitUntilArrive();
  79     try (AsyncConnection conn =
  80       ConnectionFactory.createAsyncConnection(UTIL.getConfiguration()).get()) {
  81       AsyncAdmin admin = conn.getAdmin();
  82       CompletableFuture<Void> future = admin.move(hri.getRegionName());
  83       rs.abort("For testing!");
  84
  85       UTIL.waitFor(30000,
  86         () -> executor.getProcedures().stream()
  87           .filter(p -> p instanceof TransitRegionStateProcedure)
  88           .map(p -> (TransitRegionStateProcedure) p)
  89           .anyMatch(p -> Bytes.equals(hri.getRegionName(), p.getRegion().getRegionName())));
  90       proc.resume();
  91       UTIL.waitFor(30000, () -> executor.isFinished(procId));
  92       // see whether the move region procedure can finish properly
  93       future.get(30, TimeUnit.SECONDS);
  94     }
  95   }
  96 }