hbase-server/src/test/java/org/apache/hadoop/hbase/rsgroup/EnableRSGroupsTestBase.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 import org.apache.hadoop.conf.Configuration;
  25 import org.apache.hadoop.hbase.HBaseTestingUtil;
  26 import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;
  27 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
  28 import org.junit.AfterClass;
  29 import org.junit.BeforeClass;
  30 import org.junit.Test;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public abstract class EnableRSGroupsTestBase {
  35
  36   private static final Logger LOG = LoggerFactory.getLogger(TestEnableRSGroupsCompatibility.class);
  37
  38   private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
  39
  40   @BeforeClass
  41   public static void setUp() throws Exception {
  42     final Configuration conf = TEST_UTIL.getConfiguration();
  43     conf.setBoolean(CoprocessorHost.COPROCESSORS_ENABLED_CONF_KEY, true);
  44     TEST_UTIL.startMiniCluster(5);
  45   }
  46
  47   @AfterClass
  48   public static void tearDown() throws Exception {
  49     LOG.info("to stop miniCluster");
  50     TEST_UTIL.shutdownMiniCluster();
  51   }
  52
  53   protected abstract void enableRSGroup(Configuration conf);
  54
  55   @Test
  56   public void testEnableRSGroup() throws IOException, InterruptedException {
  57     TEST_UTIL.getMiniHBaseCluster().stopMaster(0);
  58     TEST_UTIL.getMiniHBaseCluster().waitOnMaster(0);
  59
  60     LOG.info("stopped master...");
  61     enableRSGroup(TEST_UTIL.getMiniHBaseCluster().getConfiguration());
  62
  63     TEST_UTIL.getMiniHBaseCluster().startMaster();
  64     TEST_UTIL.getMiniHBaseCluster().waitForActiveAndReadyMaster(60000);
  65     LOG.info("started master...");
  66
  67     // check if master started successfully
  68     assertTrue(TEST_UTIL.getMiniHBaseCluster().getMaster() != null);
  69
  70     // wait RSGroupBasedLoadBalancer online
  71     RSGroupBasedLoadBalancer loadBalancer =
  72       (RSGroupBasedLoadBalancer) TEST_UTIL.getMiniHBaseCluster().getMaster().getLoadBalancer();
  73     long start = EnvironmentEdgeManager.currentTime();
  74     while (EnvironmentEdgeManager.currentTime() - start <= 60000 && !loadBalancer.isOnline()) {
  75       LOG.info("waiting for rsgroup load balancer onLine...");
  76       sleep(200);
  77     }
  78
  79     assertTrue(loadBalancer.isOnline());
  80   }
  81 }