hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncAdminWithRegionReplicas.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.client;
  19
  20 import static org.hamcrest.CoreMatchers.instanceOf;
  21 import static org.hamcrest.MatcherAssert.assertThat;
  22 import static org.junit.Assert.assertEquals;
  23 import static org.junit.Assert.assertNotEquals;
  24
  25 import java.io.IOException;
  26 import java.util.List;
  27 import java.util.Map;
  28 import java.util.concurrent.ExecutionException;
  29 import java.util.stream.Collectors;
  30 import org.apache.hadoop.hbase.HBaseClassTestRule;
  31 import org.apache.hadoop.hbase.HBaseTestingUtil;
  32 import org.apache.hadoop.hbase.HConstants;
  33 import org.apache.hadoop.hbase.HRegionLocation;
  34 import org.apache.hadoop.hbase.TableName;
  35 import org.apache.hadoop.hbase.testclassification.ClientTests;
  36 import org.apache.hadoop.hbase.testclassification.LargeTests;
  37 import org.apache.hadoop.hbase.util.Bytes;
  38 import org.junit.BeforeClass;
  39 import org.junit.ClassRule;
  40 import org.junit.Test;
  41 import org.junit.experimental.categories.Category;
  42 import org.junit.runner.RunWith;
  43 import org.junit.runners.Parameterized;
  44
  45 @RunWith(Parameterized.class)
  46 @Category({ LargeTests.class, ClientTests.class })
  47 public class TestAsyncAdminWithRegionReplicas extends TestAsyncAdminBase {
  48
  49   @ClassRule
  50   public static final HBaseClassTestRule CLASS_RULE =
  51     HBaseClassTestRule.forClass(TestAsyncAdminWithRegionReplicas.class);
  52
  53   @BeforeClass
  54   public static void setUpBeforeClass() throws Exception {
  55     TestAsyncAdminBase.setUpBeforeClass();
  56     HBaseTestingUtil.setReplicas(TEST_UTIL.getAdmin(), TableName.META_TABLE_NAME, 3);
  57     try (ConnectionRegistry registry =
  58       ConnectionRegistryFactory.getRegistry(TEST_UTIL.getConfiguration())) {
  59       RegionReplicaTestHelper.waitUntilAllMetaReplicasAreReady(TEST_UTIL, registry);
  60     }
  61   }
  62
  63   private void testMoveNonDefaultReplica(TableName tableName)
  64       throws InterruptedException, ExecutionException {
  65     AsyncTableRegionLocator locator = ASYNC_CONN.getRegionLocator(tableName);
  66     List<HRegionLocation> locs = locator.getAllRegionLocations().get();
  67     // try region name
  68     admin.move(locs.get(1).getRegion().getRegionName()).get();
  69     assertNotEquals(locs.get(1).getServerName(),
  70       locator.getRegionLocation(HConstants.EMPTY_START_ROW, 1, true).get());
  71     // try encoded region name
  72     admin.move(locs.get(2).getRegion().getEncodedNameAsBytes()).get();
  73     assertNotEquals(locs.get(2).getServerName(),
  74       locator.getRegionLocation(HConstants.EMPTY_START_ROW, 2, true).get());
  75   }
  76
  77   @Test
  78   public void testMoveNonDefaultReplica()
  79       throws InterruptedException, ExecutionException, IOException {
  80     createTableWithDefaultConf(tableName, 3);
  81     testMoveNonDefaultReplica(tableName);
  82     testMoveNonDefaultReplica(TableName.META_TABLE_NAME);
  83   }
  84
  85   @Test
  86   public void testSplitNonDefaultReplica()
  87       throws InterruptedException, ExecutionException, IOException {
  88     createTableWithDefaultConf(tableName, 3);
  89     List<HRegionLocation> locs =
  90       ASYNC_CONN.getRegionLocator(tableName).getAllRegionLocations().get();
  91     try {
  92       admin.splitRegion(locs.get(1).getRegion().getRegionName()).get();
  93     } catch (ExecutionException e) {
  94       assertThat(e.getCause(), instanceOf(IllegalArgumentException.class));
  95     }
  96     try {
  97       admin.splitRegion(locs.get(2).getRegion().getEncodedNameAsBytes()).get();
  98     } catch (ExecutionException e) {
  99       assertThat(e.getCause(), instanceOf(IllegalArgumentException.class));
 100     }
 101   }
 102
 103   @Test
 104   public void testMergeNonDefaultReplicas()
 105       throws InterruptedException, ExecutionException, IOException {
 106     byte[][] splitRows = new byte[][] { Bytes.toBytes(0) };
 107     createTableWithDefaultConf(tableName, 3, splitRows);
 108     List<HRegionLocation> locs =
 109       ASYNC_CONN.getRegionLocator(tableName).getAllRegionLocations().get();
 110     assertEquals(6, locs.size());
 111     Map<Integer, List<RegionInfo>> replicaId2RegionInfo = locs.stream()
 112       .map(HRegionLocation::getRegion).collect(Collectors.groupingBy(RegionInfo::getReplicaId));
 113     List<RegionInfo> replicaOnes = replicaId2RegionInfo.get(1);
 114     try {
 115       admin
 116         .mergeRegions(replicaOnes.get(0).getRegionName(), replicaOnes.get(1).getRegionName(), false)
 117         .get();
 118     } catch (ExecutionException e) {
 119       assertThat(e.getCause(), instanceOf(IllegalArgumentException.class));
 120     }
 121     List<RegionInfo> replicaTwos = replicaId2RegionInfo.get(2);
 122     try {
 123       admin
 124         .mergeRegions(replicaTwos.get(0).getRegionName(), replicaTwos.get(1).getRegionName(), false)
 125         .get();
 126     } catch (ExecutionException e) {
 127       assertThat(e.getCause(), instanceOf(IllegalArgumentException.class));
 128     }
 129   }
 130
 131   @Test
 132   public void testCloneTableSchema() throws IOException, InterruptedException, ExecutionException {
 133     createTableWithDefaultConf(tableName, 3);
 134     admin.cloneTableSchema(tableName, TableName.valueOf(tableName.getNameAsString() + "_new"), true)
 135       .get();
 136   }
 137
 138   @Test
 139   public void testGetTableRegions() throws InterruptedException, ExecutionException, IOException {
 140     List<RegionInfo> metaRegions = admin.getRegions(TableName.META_TABLE_NAME).get();
 141     assertEquals(3, metaRegions.size());
 142     for (int i = 0; i < 3; i++) {
 143       RegionInfo metaRegion = metaRegions.get(i);
 144       assertEquals(TableName.META_TABLE_NAME, metaRegion.getTable());
 145       assertEquals(i, metaRegion.getReplicaId());
 146     }
 147     createTableWithDefaultConf(tableName, 3);
 148     List<RegionInfo> regions = admin.getRegions(tableName).get();
 149     assertEquals(3, metaRegions.size());
 150     for (int i = 0; i < 3; i++) {
 151       RegionInfo region = regions.get(i);
 152       assertEquals(tableName, region.getTable());
 153       assertEquals(i, region.getReplicaId());
 154     }
 155   }
 156 }