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.regionserver;
019
020import static org.junit.Assert.assertEquals;
021
022import java.net.InetAddress;
023import org.apache.hadoop.conf.Configuration;
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.HBaseConfiguration;
026import org.apache.hadoop.hbase.HBaseTestingUtil;
027import org.apache.hadoop.hbase.HConstants;
028import org.apache.hadoop.hbase.SingleProcessHBaseCluster;
029import org.apache.hadoop.hbase.StartTestingClusterOption;
030import org.apache.hadoop.hbase.testclassification.MediumTests;
031import org.apache.hadoop.hbase.testclassification.RegionServerTests;
032import org.junit.After;
033import org.junit.Before;
034import org.junit.ClassRule;
035import org.junit.Test;
036import org.junit.experimental.categories.Category;
037import org.slf4j.Logger;
038import org.slf4j.LoggerFactory;
039
040@Category({ RegionServerTests.class, MediumTests.class })
041public class TestRegionServerUseIp {
042  @ClassRule
043  public static final HBaseClassTestRule CLASS_RULE =
044    HBaseClassTestRule.forClass(TestRegionServerUseIp.class);
045
046  private static final Logger LOG = LoggerFactory.getLogger(TestRegionServerUseIp.class);
047
048  private HBaseTestingUtil TEST_UTIL;
049  private SingleProcessHBaseCluster CLUSTER;
050
051  private static final int NUM_MASTERS = 1;
052  private static final int NUM_RS = 1;
053
054  @Before
055  public void setup() throws Exception {
056    Configuration conf = HBaseConfiguration.create();
057    conf.setBoolean(HConstants.HBASE_SERVER_USEIP_ENABLED_KEY, true);
058    TEST_UTIL = new HBaseTestingUtil(conf);
059    StartTestingClusterOption option = StartTestingClusterOption.builder().numMasters(NUM_MASTERS)
060      .numRegionServers(NUM_RS).numDataNodes(NUM_RS).build();
061    CLUSTER = TEST_UTIL.startMiniCluster(option);
062  }
063
064  @After
065  public void teardown() throws Exception {
066    TEST_UTIL.shutdownMiniCluster();
067  }
068
069  @Test
070  public void testRegionServerUseIp() throws Exception {
071    String hostname = CLUSTER.getRegionServer(0).getServerName().getHostname();
072    String ip = InetAddress.getByName(hostname).getHostAddress();
073    LOG.info("hostname= " + hostname + " ,ip=" + ip);
074    assertEquals(ip, hostname);
075  }
076}