hbase-rsgroup/src/test/java/org/apache/hadoop/hbase/rsgroup/TestEnableRSGroups.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.rsgroup;
  19
  20 import static java.lang.Thread.sleep;
  21 import static org.junit.Assert.assertTrue;
  22
  23 import java.io.IOException;
  24
  25 import org.apache.hadoop.conf.Configuration;
  26 import org.apache.hadoop.hbase.HBaseClassTestRule;
  27 import org.apache.hadoop.hbase.HBaseTestingUtility;
  28 import org.apache.hadoop.hbase.HConstants;
  29 import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;
  30 import org.apache.hadoop.hbase.testclassification.MediumTests;
  31 import org.junit.AfterClass;
  32 import org.junit.BeforeClass;
  33 import org.junit.ClassRule;
  34 import org.junit.Test;
  35 import org.junit.experimental.categories.Category;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 /**
  40  * Test enable RSGroup
  41  */
  42 @Category({ MediumTests.class })
  43 public class TestEnableRSGroups {
  44
  45   @ClassRule
  46   public static final HBaseClassTestRule CLASS_RULE =
  47       HBaseClassTestRule.forClass(TestEnableRSGroups.class);
  48
  49   protected static final Logger LOG = LoggerFactory.getLogger(TestEnableRSGroups.class);
  50
  51   private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
  52
  53   @BeforeClass
  54   public static void setUp() throws Exception {
  55     final Configuration conf = TEST_UTIL.getConfiguration();
  56     conf.setBoolean(CoprocessorHost.COPROCESSORS_ENABLED_CONF_KEY, true);
  57     TEST_UTIL.startMiniCluster(5);
  58   }
  59
  60   @AfterClass
  61   public static void tearDown() throws Exception {
  62     LOG.info("to stop miniCluster");
  63     TEST_UTIL.shutdownMiniCluster();
  64   }
  65
  66   @Test
  67   public void testEnableRSGroup() throws IOException, InterruptedException {
  68     TEST_UTIL.getMiniHBaseCluster().stopMaster(0);
  69     TEST_UTIL.getMiniHBaseCluster().waitOnMaster(0);
  70
  71     LOG.info("stopped master...");
  72     final Configuration conf = TEST_UTIL.getMiniHBaseCluster().getConfiguration();
  73     conf.set(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY, RSGroupAdminEndpoint.class.getName());
  74     conf.set(HConstants.HBASE_MASTER_LOADBALANCER_CLASS,
  75       RSGroupBasedLoadBalancer.class.getName());
  76
  77     TEST_UTIL.getMiniHBaseCluster().startMaster();
  78     TEST_UTIL.getMiniHBaseCluster().waitForActiveAndReadyMaster(60000);
  79     LOG.info("started master...");
  80
  81     // check if master started successfully
  82     assertTrue(TEST_UTIL.getMiniHBaseCluster().getMaster() != null);
  83
  84     // wait RSGroupBasedLoadBalancer online
  85     RSGroupBasedLoadBalancer loadBalancer =
  86         (RSGroupBasedLoadBalancer) TEST_UTIL.getMiniHBaseCluster().getMaster().getLoadBalancer();
  87     long start = System.currentTimeMillis();
  88     while (System.currentTimeMillis() - start <= 60000 && !loadBalancer.isOnline()) {
  89       LOG.info("waiting for rsgroup load balancer onLine...");
  90       sleep(200);
  91     }
  92
  93     assertTrue(loadBalancer.isOnline());
  94   }
  95
  96 }