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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.assertFalse;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.List;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Set;</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.ServerName;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.util.Pair;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.junit.AfterClass;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.Assert;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.ClassRule;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.Test;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">043</span><span id="line-43"></span> |
| <span class="source-line-no">044</span><span id="line-44">@Category({ MasterTests.class, MediumTests.class })</span> |
| <span class="source-line-no">045</span><span id="line-45">public class TestDeadServer {</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47"> @ClassRule</span> |
| <span class="source-line-no">048</span><span id="line-48"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">049</span><span id="line-49"> HBaseClassTestRule.forClass(TestDeadServer.class);</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> final ServerName hostname123 = ServerName.valueOf("127.0.0.1", 123, 3L);</span> |
| <span class="source-line-no">054</span><span id="line-54"> final ServerName hostname123_2 = ServerName.valueOf("127.0.0.1", 123, 4L);</span> |
| <span class="source-line-no">055</span><span id="line-55"> final ServerName hostname1234 = ServerName.valueOf("127.0.0.2", 1234, 4L);</span> |
| <span class="source-line-no">056</span><span id="line-56"> final ServerName hostname12345 = ServerName.valueOf("127.0.0.2", 12345, 4L);</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> @BeforeClass</span> |
| <span class="source-line-no">059</span><span id="line-59"> public static void setupBeforeClass() throws Exception {</span> |
| <span class="source-line-no">060</span><span id="line-60"> TEST_UTIL.startMiniCluster();</span> |
| <span class="source-line-no">061</span><span id="line-61"> }</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> @AfterClass</span> |
| <span class="source-line-no">064</span><span id="line-64"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">065</span><span id="line-65"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> @Test</span> |
| <span class="source-line-no">069</span><span id="line-69"> public void testIsDead() {</span> |
| <span class="source-line-no">070</span><span id="line-70"> DeadServer ds = new DeadServer();</span> |
| <span class="source-line-no">071</span><span id="line-71"> ds.putIfAbsent(hostname123);</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> ds.putIfAbsent(hostname1234);</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> ds.putIfAbsent(hostname12345);</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> // Already dead = 127.0.0.1,9090,112321</span> |
| <span class="source-line-no">078</span><span id="line-78"> // Coming back alive = 127.0.0.1,9090,223341</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> final ServerName deadServer = ServerName.valueOf("127.0.0.1", 9090, 112321L);</span> |
| <span class="source-line-no">081</span><span id="line-81"> assertFalse(ds.cleanPreviousInstance(deadServer));</span> |
| <span class="source-line-no">082</span><span id="line-82"> ds.putIfAbsent(deadServer);</span> |
| <span class="source-line-no">083</span><span id="line-83"> assertTrue(ds.isDeadServer(deadServer));</span> |
| <span class="source-line-no">084</span><span id="line-84"> Set<ServerName> deadServerNames = ds.copyServerNames();</span> |
| <span class="source-line-no">085</span><span id="line-85"> for (ServerName eachDeadServer : deadServerNames) {</span> |
| <span class="source-line-no">086</span><span id="line-86"> Assert.assertNotNull(ds.getTimeOfDeath(eachDeadServer));</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"> final ServerName deadServerHostComingAlive = ServerName.valueOf("127.0.0.1", 9090, 223341L);</span> |
| <span class="source-line-no">089</span><span id="line-89"> assertTrue(ds.cleanPreviousInstance(deadServerHostComingAlive));</span> |
| <span class="source-line-no">090</span><span id="line-90"> assertFalse(ds.isDeadServer(deadServer));</span> |
| <span class="source-line-no">091</span><span id="line-91"> assertFalse(ds.cleanPreviousInstance(deadServerHostComingAlive));</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> @Test</span> |
| <span class="source-line-no">095</span><span id="line-95"> public void testCrashProcedureReplay() throws Exception {</span> |
| <span class="source-line-no">096</span><span id="line-96"> HMaster master = TEST_UTIL.getHBaseCluster().getMaster();</span> |
| <span class="source-line-no">097</span><span id="line-97"> final ProcedureExecutor<MasterProcedureEnv> pExecutor = master.getMasterProcedureExecutor();</span> |
| <span class="source-line-no">098</span><span id="line-98"> ServerCrashProcedure proc =</span> |
| <span class="source-line-no">099</span><span id="line-99"> new ServerCrashProcedure(pExecutor.getEnvironment(), hostname123, false, false);</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> pExecutor.stop();</span> |
| <span class="source-line-no">102</span><span id="line-102"> ProcedureTestingUtility.submitAndWait(pExecutor, proc);</span> |
| <span class="source-line-no">103</span><span id="line-103"> assertTrue(master.getServerManager().areDeadServersInProgress());</span> |
| <span class="source-line-no">104</span><span id="line-104"></span> |
| <span class="source-line-no">105</span><span id="line-105"> ProcedureTestingUtility.restart(pExecutor);</span> |
| <span class="source-line-no">106</span><span id="line-106"> ProcedureTestingUtility.waitProcedure(pExecutor, proc);</span> |
| <span class="source-line-no">107</span><span id="line-107"> assertFalse(master.getServerManager().areDeadServersInProgress());</span> |
| <span class="source-line-no">108</span><span id="line-108"> }</span> |
| <span class="source-line-no">109</span><span id="line-109"></span> |
| <span class="source-line-no">110</span><span id="line-110"> @Test</span> |
| <span class="source-line-no">111</span><span id="line-111"> public void testSortExtract() {</span> |
| <span class="source-line-no">112</span><span id="line-112"> ManualEnvironmentEdge mee = new ManualEnvironmentEdge();</span> |
| <span class="source-line-no">113</span><span id="line-113"> EnvironmentEdgeManager.injectEdge(mee);</span> |
| <span class="source-line-no">114</span><span id="line-114"> mee.setValue(1);</span> |
| <span class="source-line-no">115</span><span id="line-115"></span> |
| <span class="source-line-no">116</span><span id="line-116"> DeadServer d = new DeadServer();</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> d.putIfAbsent(hostname123);</span> |
| <span class="source-line-no">119</span><span id="line-119"> mee.incValue(1);</span> |
| <span class="source-line-no">120</span><span id="line-120"> d.putIfAbsent(hostname1234);</span> |
| <span class="source-line-no">121</span><span id="line-121"> mee.incValue(1);</span> |
| <span class="source-line-no">122</span><span id="line-122"> d.putIfAbsent(hostname12345);</span> |
| <span class="source-line-no">123</span><span id="line-123"></span> |
| <span class="source-line-no">124</span><span id="line-124"> List<Pair<ServerName, Long>> copy = d.copyDeadServersSince(2L);</span> |
| <span class="source-line-no">125</span><span id="line-125"> Assert.assertEquals(2, copy.size());</span> |
| <span class="source-line-no">126</span><span id="line-126"></span> |
| <span class="source-line-no">127</span><span id="line-127"> Assert.assertEquals(hostname1234, copy.get(0).getFirst());</span> |
| <span class="source-line-no">128</span><span id="line-128"> Assert.assertEquals(Long.valueOf(2L), copy.get(0).getSecond());</span> |
| <span class="source-line-no">129</span><span id="line-129"></span> |
| <span class="source-line-no">130</span><span id="line-130"> Assert.assertEquals(hostname12345, copy.get(1).getFirst());</span> |
| <span class="source-line-no">131</span><span id="line-131"> Assert.assertEquals(Long.valueOf(3L), copy.get(1).getSecond());</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> EnvironmentEdgeManager.reset();</span> |
| <span class="source-line-no">134</span><span id="line-134"> }</span> |
| <span class="source-line-no">135</span><span id="line-135"></span> |
| <span class="source-line-no">136</span><span id="line-136"> @Test</span> |
| <span class="source-line-no">137</span><span id="line-137"> public void testClean() {</span> |
| <span class="source-line-no">138</span><span id="line-138"> DeadServer d = new DeadServer();</span> |
| <span class="source-line-no">139</span><span id="line-139"> d.putIfAbsent(hostname123);</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> d.cleanPreviousInstance(hostname12345);</span> |
| <span class="source-line-no">142</span><span id="line-142"> Assert.assertFalse(d.isEmpty());</span> |
| <span class="source-line-no">143</span><span id="line-143"></span> |
| <span class="source-line-no">144</span><span id="line-144"> d.cleanPreviousInstance(hostname1234);</span> |
| <span class="source-line-no">145</span><span id="line-145"> Assert.assertFalse(d.isEmpty());</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> d.cleanPreviousInstance(hostname123_2);</span> |
| <span class="source-line-no">148</span><span id="line-148"> Assert.assertTrue(d.isEmpty());</span> |
| <span class="source-line-no">149</span><span id="line-149"> }</span> |
| <span class="source-line-no">150</span><span id="line-150"></span> |
| <span class="source-line-no">151</span><span id="line-151"> @Test</span> |
| <span class="source-line-no">152</span><span id="line-152"> public void testClearDeadServer() {</span> |
| <span class="source-line-no">153</span><span id="line-153"> DeadServer d = new DeadServer();</span> |
| <span class="source-line-no">154</span><span id="line-154"> d.putIfAbsent(hostname123);</span> |
| <span class="source-line-no">155</span><span id="line-155"> d.putIfAbsent(hostname1234);</span> |
| <span class="source-line-no">156</span><span id="line-156"> Assert.assertEquals(2, d.size());</span> |
| <span class="source-line-no">157</span><span id="line-157"></span> |
| <span class="source-line-no">158</span><span id="line-158"> d.removeDeadServer(hostname123);</span> |
| <span class="source-line-no">159</span><span id="line-159"> Assert.assertEquals(1, d.size());</span> |
| <span class="source-line-no">160</span><span id="line-160"> d.removeDeadServer(hostname1234);</span> |
| <span class="source-line-no">161</span><span id="line-161"> Assert.assertTrue(d.isEmpty());</span> |
| <span class="source-line-no">162</span><span id="line-162"></span> |
| <span class="source-line-no">163</span><span id="line-163"> d.putIfAbsent(hostname1234);</span> |
| <span class="source-line-no">164</span><span id="line-164"> Assert.assertFalse(d.removeDeadServer(hostname123_2));</span> |
| <span class="source-line-no">165</span><span id="line-165"> Assert.assertEquals(1, d.size());</span> |
| <span class="source-line-no">166</span><span id="line-166"> Assert.assertTrue(d.removeDeadServer(hostname1234));</span> |
| <span class="source-line-no">167</span><span id="line-167"> Assert.assertTrue(d.isEmpty());</span> |
| <span class="source-line-no">168</span><span id="line-168"> }</span> |
| <span class="source-line-no">169</span><span id="line-169">}</span> |
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| </div> |
| </main> |
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