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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.assignment;</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 java.util.Optional;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.concurrent.CountDownLatch;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.coprocessor.ObserverContext;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.coprocessor.RegionObserver;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.regionserver.HRegionServer;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.util.JVMClusterUtil;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.AfterClass;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.Assert;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.ClassRule;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.Test;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45">@Category({ MasterTests.class, MediumTests.class })</span> |
| <span class="source-line-no">046</span><span id="line-46">public class TestExceptionInAssignRegion {</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48"> @ClassRule</span> |
| <span class="source-line-no">049</span><span id="line-49"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">050</span><span id="line-50"> HBaseClassTestRule.forClass(TestExceptionInAssignRegion.class);</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 final HBaseTestingUtil UTIL = new HBaseTestingUtil();</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 final TableName TABLE_NAME = TableName.valueOf("test");</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> private static final CountDownLatch countDownLatch = new CountDownLatch(2);</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> private static final byte[] CF = Bytes.toBytes("cf");</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> @BeforeClass</span> |
| <span class="source-line-no">061</span><span id="line-61"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">062</span><span id="line-62"> UTIL.getConfiguration().setStrings(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY,</span> |
| <span class="source-line-no">063</span><span id="line-63"> ThrowInOpenCP.class.getName());</span> |
| <span class="source-line-no">064</span><span id="line-64"> UTIL.startMiniCluster(3);</span> |
| <span class="source-line-no">065</span><span id="line-65"> UTIL.getAdmin().balancerSwitch(false, true);</span> |
| <span class="source-line-no">066</span><span id="line-66"> UTIL.createTable(TABLE_NAME, CF);</span> |
| <span class="source-line-no">067</span><span id="line-67"> UTIL.waitTableAvailable(TABLE_NAME);</span> |
| <span class="source-line-no">068</span><span id="line-68"> }</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> @AfterClass</span> |
| <span class="source-line-no">071</span><span id="line-71"> public static void tearDown() throws Exception {</span> |
| <span class="source-line-no">072</span><span id="line-72"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">073</span><span id="line-73"> }</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> @Test</span> |
| <span class="source-line-no">076</span><span id="line-76"> public void testExceptionInAssignRegion() {</span> |
| <span class="source-line-no">077</span><span id="line-77"> ProcedureExecutor procedureExecutor =</span> |
| <span class="source-line-no">078</span><span id="line-78"> UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor();</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> JVMClusterUtil.RegionServerThread rsThread = null;</span> |
| <span class="source-line-no">081</span><span id="line-81"> for (JVMClusterUtil.RegionServerThread t : UTIL.getMiniHBaseCluster()</span> |
| <span class="source-line-no">082</span><span id="line-82"> .getRegionServerThreads()) {</span> |
| <span class="source-line-no">083</span><span id="line-83"> if (!t.getRegionServer().getRegions(TABLE_NAME).isEmpty()) {</span> |
| <span class="source-line-no">084</span><span id="line-84"> rsThread = t;</span> |
| <span class="source-line-no">085</span><span id="line-85"> break;</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"> // find the rs and hri of the table</span> |
| <span class="source-line-no">089</span><span id="line-89"> HRegionServer rs = rsThread.getRegionServer();</span> |
| <span class="source-line-no">090</span><span id="line-90"> RegionInfo hri = rs.getRegions(TABLE_NAME).get(0).getRegionInfo();</span> |
| <span class="source-line-no">091</span><span id="line-91"> TransitRegionStateProcedure assignRegionProcedure = TransitRegionStateProcedure.move(</span> |
| <span class="source-line-no">092</span><span id="line-92"> UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor().getEnvironment(), hri,</span> |
| <span class="source-line-no">093</span><span id="line-93"> null);</span> |
| <span class="source-line-no">094</span><span id="line-94"> RegionStateNode regionNode = UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager()</span> |
| <span class="source-line-no">095</span><span id="line-95"> .getRegionStates().getOrCreateRegionStateNode(hri);</span> |
| <span class="source-line-no">096</span><span id="line-96"> regionNode.setProcedure(assignRegionProcedure);</span> |
| <span class="source-line-no">097</span><span id="line-97"> countDownLatch.countDown();</span> |
| <span class="source-line-no">098</span><span id="line-98"> long prodId = procedureExecutor.submitProcedure(assignRegionProcedure);</span> |
| <span class="source-line-no">099</span><span id="line-99"> ProcedureTestingUtility.waitProcedure(procedureExecutor, prodId);</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> Assert.assertEquals("Should be two RS since other is aborted", 2,</span> |
| <span class="source-line-no">102</span><span id="line-102"> UTIL.getMiniHBaseCluster().getLiveRegionServerThreads().size());</span> |
| <span class="source-line-no">103</span><span id="line-103"> Assert.assertNull("RIT Map doesn't have correct value",</span> |
| <span class="source-line-no">104</span><span id="line-104"> getRegionServer(0).getRegionsInTransitionInRS().get(hri.getEncodedNameAsBytes()));</span> |
| <span class="source-line-no">105</span><span id="line-105"> Assert.assertNull("RIT Map doesn't have correct value",</span> |
| <span class="source-line-no">106</span><span id="line-106"> getRegionServer(1).getRegionsInTransitionInRS().get(hri.getEncodedNameAsBytes()));</span> |
| <span class="source-line-no">107</span><span id="line-107"> Assert.assertNull("RIT Map doesn't have correct value",</span> |
| <span class="source-line-no">108</span><span id="line-108"> getRegionServer(2).getRegionsInTransitionInRS().get(hri.getEncodedNameAsBytes()));</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> private HRegionServer getRegionServer(int index) {</span> |
| <span class="source-line-no">112</span><span id="line-112"> return UTIL.getMiniHBaseCluster().getRegionServer(index);</span> |
| <span class="source-line-no">113</span><span id="line-113"> }</span> |
| <span class="source-line-no">114</span><span id="line-114"></span> |
| <span class="source-line-no">115</span><span id="line-115"> public static class ThrowInOpenCP implements RegionCoprocessor, RegionObserver {</span> |
| <span class="source-line-no">116</span><span id="line-116"> @Override</span> |
| <span class="source-line-no">117</span><span id="line-117"> public void preOpen(ObserverContext<RegionCoprocessorEnvironment> c) {</span> |
| <span class="source-line-no">118</span><span id="line-118"> if (countDownLatch.getCount() == 1) {</span> |
| <span class="source-line-no">119</span><span id="line-119"> // We want to throw exception only first time in move region call</span> |
| <span class="source-line-no">120</span><span id="line-120"> // After that RS aborts and we don't want to throw in any other open region</span> |
| <span class="source-line-no">121</span><span id="line-121"> countDownLatch.countDown();</span> |
| <span class="source-line-no">122</span><span id="line-122"> throw new RuntimeException();</span> |
| <span class="source-line-no">123</span><span id="line-123"> }</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"></span> |
| <span class="source-line-no">126</span><span id="line-126"> @Override</span> |
| <span class="source-line-no">127</span><span id="line-127"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">128</span><span id="line-128"> return Optional.of(this);</span> |
| <span class="source-line-no">129</span><span id="line-129"> }</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131">}</span> |
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| </pre> |
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