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;
019
020import static org.junit.Assert.assertEquals;
021import static org.junit.Assert.assertTrue;
022import static org.junit.Assert.fail;
023
024import java.net.BindException;
025import org.apache.commons.lang3.exception.ExceptionUtils;
026import org.apache.hadoop.hbase.testclassification.MediumTests;
027import org.junit.ClassRule;
028import org.junit.Test;
029import org.junit.experimental.categories.Category;
030import org.slf4j.Logger;
031import org.slf4j.LoggerFactory;
032
033@Category(MediumTests.class)
034public class TestClusterPortAssignment {
035  @ClassRule
036  public static final HBaseClassTestRule CLASS_RULE =
037    HBaseClassTestRule.forClass(TestClusterPortAssignment.class);
038
039  private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
040  private static final Logger LOG = LoggerFactory.getLogger(TestClusterPortAssignment.class);
041
042  /**
043   * Check that we can start an HBase cluster specifying a custom set of RPC and infoserver ports.
044   */
045  @Test(timeout = 300000)
046  public void testClusterPortAssignment() throws Exception {
047    boolean retry = false;
048    do {
049      int masterPort = HBaseTestingUtil.randomFreePort();
050      int masterInfoPort = HBaseTestingUtil.randomFreePort();
051      int rsPort = HBaseTestingUtil.randomFreePort();
052      int rsInfoPort = HBaseTestingUtil.randomFreePort();
053      TEST_UTIL.getConfiguration().setBoolean(LocalHBaseCluster.ASSIGN_RANDOM_PORTS, false);
054      TEST_UTIL.getConfiguration().setBoolean(HConstants.REGIONSERVER_INFO_PORT_AUTO, false);
055      TEST_UTIL.getConfiguration().setBoolean("fs.hdfs.impl.disable.cache", true);
056      TEST_UTIL.getConfiguration().setInt(HConstants.MASTER_PORT, masterPort);
057      TEST_UTIL.getConfiguration().setInt(HConstants.MASTER_INFO_PORT, masterInfoPort);
058      TEST_UTIL.getConfiguration().setInt(HConstants.REGIONSERVER_PORT, rsPort);
059      TEST_UTIL.getConfiguration().setInt(HConstants.REGIONSERVER_INFO_PORT, rsInfoPort);
060      LOG.info("Ports: {}, {}, {}, {}", masterPort, masterInfoPort, rsPort, rsInfoPort);
061      try {
062        SingleProcessHBaseCluster cluster = TEST_UTIL.startMiniCluster();
063        assertTrue("Cluster failed to come up", cluster.waitForActiveAndReadyMaster(30000));
064        retry = false;
065        assertEquals("Master RPC port is incorrect", masterPort,
066          cluster.getMaster().getRpcServer().getListenerAddress().getPort());
067        assertEquals("Master info port is incorrect", masterInfoPort,
068          cluster.getMaster().getInfoServer().getPort());
069        assertEquals("RS RPC port is incorrect", rsPort,
070          cluster.getRegionServer(0).getRpcServer().getListenerAddress().getPort());
071        assertEquals("RS info port is incorrect", rsInfoPort,
072          cluster.getRegionServer(0).getInfoServer().getPort());
073      } catch (Exception e) {
074        Throwable rootCause = ExceptionUtils.getRootCause(e);
075        if (rootCause instanceof BindException) {
076          LOG.info("Failed bind, need to retry", e);
077          retry = true;
078        } else {
079          LOG.error("Failed to start mini cluster", e);
080          retry = false;
081          fail("Failed to start mini cluster with assigned ports.");
082        }
083      } finally {
084        TEST_UTIL.shutdownMiniCluster();
085      }
086    } while (retry);
087  }
088}