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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;</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.assertTrue;</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 org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.testclassification.MiscTests;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.junit.After;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.junit.Before;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.junit.ClassRule;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.junit.Test;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">031</span><span id="line-31"></span> |
| <span class="source-line-no">032</span><span id="line-32">/**</span> |
| <span class="source-line-no">033</span><span id="line-33"> * Tests the boot order indifference between regionserver and master</span> |
| <span class="source-line-no">034</span><span id="line-34"> */</span> |
| <span class="source-line-no">035</span><span id="line-35">@Category({ MiscTests.class, MediumTests.class })</span> |
| <span class="source-line-no">036</span><span id="line-36">public class TestClusterBootOrder {</span> |
| <span class="source-line-no">037</span><span id="line-37"></span> |
| <span class="source-line-no">038</span><span id="line-38"> @ClassRule</span> |
| <span class="source-line-no">039</span><span id="line-39"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">040</span><span id="line-40"> HBaseClassTestRule.forClass(TestClusterBootOrder.class);</span> |
| <span class="source-line-no">041</span><span id="line-41"></span> |
| <span class="source-line-no">042</span><span id="line-42"> private static final long SLEEP_INTERVAL = 1000;</span> |
| <span class="source-line-no">043</span><span id="line-43"> private static final long SLEEP_TIME = 4000;</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45"> private HBaseTestingUtil testUtil;</span> |
| <span class="source-line-no">046</span><span id="line-46"> private LocalHBaseCluster cluster;</span> |
| <span class="source-line-no">047</span><span id="line-47"> private RegionServerThread rs;</span> |
| <span class="source-line-no">048</span><span id="line-48"> private MasterThread master;</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> @Before</span> |
| <span class="source-line-no">051</span><span id="line-51"> public void setUp() throws Exception {</span> |
| <span class="source-line-no">052</span><span id="line-52"> testUtil = new HBaseTestingUtil();</span> |
| <span class="source-line-no">053</span><span id="line-53"> testUtil.startMiniDFSCluster(1);</span> |
| <span class="source-line-no">054</span><span id="line-54"> testUtil.startMiniZKCluster(1);</span> |
| <span class="source-line-no">055</span><span id="line-55"> testUtil.createRootDir(); // manually setup hbase dir to point to minidfscluster</span> |
| <span class="source-line-no">056</span><span id="line-56"> cluster = new LocalHBaseCluster(testUtil.getConfiguration(), 0, 0);</span> |
| <span class="source-line-no">057</span><span id="line-57"> }</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> @After</span> |
| <span class="source-line-no">060</span><span id="line-60"> public void tearDown() throws Exception {</span> |
| <span class="source-line-no">061</span><span id="line-61"> cluster.shutdown();</span> |
| <span class="source-line-no">062</span><span id="line-62"> cluster.join();</span> |
| <span class="source-line-no">063</span><span id="line-63"> testUtil.shutdownMiniZKCluster();</span> |
| <span class="source-line-no">064</span><span id="line-64"> testUtil.shutdownMiniDFSCluster();</span> |
| <span class="source-line-no">065</span><span id="line-65"> }</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private void startRegionServer() throws Exception {</span> |
| <span class="source-line-no">068</span><span id="line-68"> rs = cluster.addRegionServer();</span> |
| <span class="source-line-no">069</span><span id="line-69"> rs.start();</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> for (int i = 0; i * SLEEP_INTERVAL < SLEEP_TIME; i++) {</span> |
| <span class="source-line-no">072</span><span id="line-72"> // we cannot block on wait for rs at this point , since master is not up.</span> |
| <span class="source-line-no">073</span><span id="line-73"> Thread.sleep(SLEEP_INTERVAL);</span> |
| <span class="source-line-no">074</span><span id="line-74"> assertTrue(rs.isAlive());</span> |
| <span class="source-line-no">075</span><span id="line-75"> }</span> |
| <span class="source-line-no">076</span><span id="line-76"> }</span> |
| <span class="source-line-no">077</span><span id="line-77"></span> |
| <span class="source-line-no">078</span><span id="line-78"> private void startMaster() throws Exception {</span> |
| <span class="source-line-no">079</span><span id="line-79"> master = cluster.addMaster();</span> |
| <span class="source-line-no">080</span><span id="line-80"> master.start();</span> |
| <span class="source-line-no">081</span><span id="line-81"></span> |
| <span class="source-line-no">082</span><span id="line-82"> for (int i = 0; i * SLEEP_INTERVAL < SLEEP_TIME; i++) {</span> |
| <span class="source-line-no">083</span><span id="line-83"> Thread.sleep(SLEEP_INTERVAL);</span> |
| <span class="source-line-no">084</span><span id="line-84"> assertTrue(master.isAlive());</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"></span> |
| <span class="source-line-no">088</span><span id="line-88"> private void waitForClusterOnline() {</span> |
| <span class="source-line-no">089</span><span id="line-89"> while (true) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> if (master.getMaster().isInitialized()) {</span> |
| <span class="source-line-no">091</span><span id="line-91"> break;</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"> try {</span> |
| <span class="source-line-no">094</span><span id="line-94"> Thread.sleep(100);</span> |
| <span class="source-line-no">095</span><span id="line-95"> } catch (InterruptedException ignored) {</span> |
| <span class="source-line-no">096</span><span id="line-96"> // Keep waiting</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"> rs.waitForServerOnline();</span> |
| <span class="source-line-no">100</span><span id="line-100"> }</span> |
| <span class="source-line-no">101</span><span id="line-101"></span> |
| <span class="source-line-no">102</span><span id="line-102"> /**</span> |
| <span class="source-line-no">103</span><span id="line-103"> * Tests launching the cluster by first starting regionserver, and then the master to ensure that</span> |
| <span class="source-line-no">104</span><span id="line-104"> * it does not matter which is started first.</span> |
| <span class="source-line-no">105</span><span id="line-105"> */</span> |
| <span class="source-line-no">106</span><span id="line-106"> @Test</span> |
| <span class="source-line-no">107</span><span id="line-107"> public void testBootRegionServerFirst() throws Exception {</span> |
| <span class="source-line-no">108</span><span id="line-108"> startRegionServer();</span> |
| <span class="source-line-no">109</span><span id="line-109"> startMaster();</span> |
| <span class="source-line-no">110</span><span id="line-110"> waitForClusterOnline();</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> /**</span> |
| <span class="source-line-no">114</span><span id="line-114"> * Tests launching the cluster by first starting master, and then the regionserver to ensure that</span> |
| <span class="source-line-no">115</span><span id="line-115"> * it does not matter which is started first.</span> |
| <span class="source-line-no">116</span><span id="line-116"> */</span> |
| <span class="source-line-no">117</span><span id="line-117"> @Test</span> |
| <span class="source-line-no">118</span><span id="line-118"> public void testBootMasterFirst() throws Exception {</span> |
| <span class="source-line-no">119</span><span id="line-119"> startMaster();</span> |
| <span class="source-line-no">120</span><span id="line-120"> startRegionServer();</span> |
| <span class="source-line-no">121</span><span id="line-121"> waitForClusterOnline();</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</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> |
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| </pre> |
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