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 static org.junit.jupiter.api.Assertions.assertFalse;
021import static org.junit.jupiter.api.Assertions.assertTrue;
022
023import java.util.List;
024import java.util.Map;
025import org.apache.hadoop.hbase.HBaseTestingUtil;
026import org.apache.hadoop.hbase.HConstants;
027import org.apache.hadoop.hbase.ServerName;
028import org.apache.hadoop.hbase.TableName;
029import org.apache.hadoop.hbase.client.RegionInfo;
030import org.apache.hadoop.hbase.master.assignment.AssignmentManager;
031import org.apache.hadoop.hbase.master.assignment.RegionStates;
032import org.apache.hadoop.hbase.testclassification.LargeTests;
033import org.apache.hadoop.hbase.testclassification.MasterTests;
034import org.junit.jupiter.api.AfterEach;
035import org.junit.jupiter.api.BeforeEach;
036import org.junit.jupiter.api.Tag;
037import org.junit.jupiter.api.Test;
038import org.junit.jupiter.api.TestInfo;
039
040/**
041 * Test balancer with disabled table
042 */
043@Tag(MasterTests.TAG)
044@Tag(LargeTests.TAG)
045public class TestBalancer {
046
047  private final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
048  private String testMethodName;
049
050  @BeforeEach
051  public void setTestMethod(TestInfo testInfo) {
052    testMethodName = testInfo.getTestMethod().get().getName();
053  }
054
055  @BeforeEach
056  public void before() throws Exception {
057    TEST_UTIL.startMiniCluster();
058  }
059
060  @AfterEach
061  public void after() throws Exception {
062    TEST_UTIL.shutdownMiniCluster();
063  }
064
065  @Test
066  public void testAssignmentsForBalancer() throws Exception {
067    final TableName tableName = TableName.valueOf(testMethodName);
068    TEST_UTIL.createMultiRegionTable(tableName, HConstants.CATALOG_FAMILY, 10);
069    // disable table
070    final TableName disableTableName = TableName.valueOf("testDisableTable");
071    TEST_UTIL.createMultiRegionTable(disableTableName, HConstants.CATALOG_FAMILY, 10);
072    TEST_UTIL.getAdmin().disableTable(disableTableName);
073
074    HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();
075    AssignmentManager assignmentManager = master.getAssignmentManager();
076    RegionStates regionStates = assignmentManager.getRegionStates();
077    ServerName sn1 = ServerName.parseServerName("asf903.gq1.ygridcore.net,52690,1517835491385");
078    regionStates.createServer(sn1);
079
080    TableStateManager tableStateManager = master.getTableStateManager();
081    ServerManager serverManager = master.getServerManager();
082    Map<TableName, Map<ServerName, List<RegionInfo>>> assignments =
083      assignmentManager.getRegionStates().getAssignmentsForBalancer(tableStateManager,
084        serverManager.getOnlineServersList());
085    assertFalse(assignments.containsKey(disableTableName));
086    assertTrue(assignments.containsKey(tableName));
087    assertFalse(assignments.get(tableName).containsKey(sn1));
088  }
089}