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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.master;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertNotNull;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.concurrent.CountDownLatch;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.SingleProcessHBaseCluster;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.StartTestingClusterOption;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.junit.AfterClass;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.junit.ClassRule;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.junit.Test;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">038</span><span id="line-38"></span> |
| <span class="source-line-no">039</span><span id="line-39">/**</span> |
| <span class="source-line-no">040</span><span id="line-40"> * Test to confirm that we will not hang when stop a backup master which is trying to become the</span> |
| <span class="source-line-no">041</span><span id="line-41"> * active master. See HBASE-19838</span> |
| <span class="source-line-no">042</span><span id="line-42"> */</span> |
| <span class="source-line-no">043</span><span id="line-43">@Category({ MasterTests.class, MediumTests.class })</span> |
| <span class="source-line-no">044</span><span id="line-44">public class TestShutdownBackupMaster {</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46"> @ClassRule</span> |
| <span class="source-line-no">047</span><span id="line-47"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">048</span><span id="line-48"> HBaseClassTestRule.forClass(TestShutdownBackupMaster.class);</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> private static volatile CountDownLatch ARRIVE;</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> private static volatile CountDownLatch CONTINUE;</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> public static final class MockHMaster extends HMaster {</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> public MockHMaster(Configuration conf) throws IOException {</span> |
| <span class="source-line-no">059</span><span id="line-59"> super(conf);</span> |
| <span class="source-line-no">060</span><span id="line-60"> }</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> @Override</span> |
| <span class="source-line-no">063</span><span id="line-63"> protected void initClusterSchemaService() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">064</span><span id="line-64"> if (ARRIVE != null) {</span> |
| <span class="source-line-no">065</span><span id="line-65"> ARRIVE.countDown();</span> |
| <span class="source-line-no">066</span><span id="line-66"> CONTINUE.await();</span> |
| <span class="source-line-no">067</span><span id="line-67"> }</span> |
| <span class="source-line-no">068</span><span id="line-68"> super.initClusterSchemaService();</span> |
| <span class="source-line-no">069</span><span id="line-69"> }</span> |
| <span class="source-line-no">070</span><span id="line-70"> }</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> @BeforeClass</span> |
| <span class="source-line-no">073</span><span id="line-73"> public static void setUpBeforeClass() throws Exception {</span> |
| <span class="source-line-no">074</span><span id="line-74"> UTIL.getConfiguration().setClass(HConstants.MASTER_IMPL, MockHMaster.class, HMaster.class);</span> |
| <span class="source-line-no">075</span><span id="line-75"> StartTestingClusterOption option =</span> |
| <span class="source-line-no">076</span><span id="line-76"> StartTestingClusterOption.builder().numMasters(2).numRegionServers(2).numDataNodes(2).build();</span> |
| <span class="source-line-no">077</span><span id="line-77"> UTIL.startMiniCluster(option);</span> |
| <span class="source-line-no">078</span><span id="line-78"> UTIL.waitUntilAllSystemRegionsAssigned();</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> @AfterClass</span> |
| <span class="source-line-no">082</span><span id="line-82"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">083</span><span id="line-83"> // make sure that we can stop the cluster cleanly</span> |
| <span class="source-line-no">084</span><span id="line-84"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">085</span><span id="line-85"> }</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> @Test</span> |
| <span class="source-line-no">088</span><span id="line-88"> public void testShutdownWhileBecomingActive() throws InterruptedException {</span> |
| <span class="source-line-no">089</span><span id="line-89"> SingleProcessHBaseCluster cluster = UTIL.getHBaseCluster();</span> |
| <span class="source-line-no">090</span><span id="line-90"> HMaster activeMaster = null;</span> |
| <span class="source-line-no">091</span><span id="line-91"> HMaster backupMaster = null;</span> |
| <span class="source-line-no">092</span><span id="line-92"> for (MasterThread t : cluster.getMasterThreads()) {</span> |
| <span class="source-line-no">093</span><span id="line-93"> if (t.getMaster().isActiveMaster()) {</span> |
| <span class="source-line-no">094</span><span id="line-94"> activeMaster = t.getMaster();</span> |
| <span class="source-line-no">095</span><span id="line-95"> } else {</span> |
| <span class="source-line-no">096</span><span id="line-96"> backupMaster = t.getMaster();</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"> assertNotNull(activeMaster);</span> |
| <span class="source-line-no">100</span><span id="line-100"> assertNotNull(backupMaster);</span> |
| <span class="source-line-no">101</span><span id="line-101"> ARRIVE = new CountDownLatch(1);</span> |
| <span class="source-line-no">102</span><span id="line-102"> CONTINUE = new CountDownLatch(1);</span> |
| <span class="source-line-no">103</span><span id="line-103"> activeMaster.abort("Aborting active master for test");</span> |
| <span class="source-line-no">104</span><span id="line-104"> // wait until we arrive the initClusterSchemaService</span> |
| <span class="source-line-no">105</span><span id="line-105"> ARRIVE.await();</span> |
| <span class="source-line-no">106</span><span id="line-106"> // killall RSes</span> |
| <span class="source-line-no">107</span><span id="line-107"> cluster.getRegionServerThreads().stream().map(t -> t.getRegionServer())</span> |
| <span class="source-line-no">108</span><span id="line-108"> .forEachOrdered(rs -> rs.abort("Aborting RS for test"));</span> |
| <span class="source-line-no">109</span><span id="line-109"> CONTINUE.countDown();</span> |
| <span class="source-line-no">110</span><span id="line-110"> }</span> |
| <span class="source-line-no">111</span><span id="line-111">}</span> |
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| </pre> |
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