| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>Source code</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta name="description" content="source: package: org.apache.hadoop.hbase, class: LocalHBaseCluster"> |
| <meta name="generator" content="javadoc/SourceToHTMLConverter"> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body class="source-page"> |
| <main role="main"> |
| <div class="source-container"> |
| <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 java.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.security.PrivilegedExceptionAction;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.ArrayList;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Collections;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.List;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.concurrent.CopyOnWriteArrayList;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.master.HMaster;</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.security.User;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.util.JVMClusterUtil;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.slf4j.Logger;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">041</span><span id="line-41"></span> |
| <span class="source-line-no">042</span><span id="line-42">/**</span> |
| <span class="source-line-no">043</span><span id="line-43"> * This class creates a single process HBase cluster. One thread is created for a master and one per</span> |
| <span class="source-line-no">044</span><span id="line-44"> * region server. Call {@link #startup()} to start the cluster running and {@link #shutdown()} to</span> |
| <span class="source-line-no">045</span><span id="line-45"> * close it all down. {@link #join} the cluster is you want to wait on shutdown completion.</span> |
| <span class="source-line-no">046</span><span id="line-46"> * <p></span> |
| <span class="source-line-no">047</span><span id="line-47"> * Runs master on port 16000 by default. Because we can't just kill the process -- not till</span> |
| <span class="source-line-no">048</span><span id="line-48"> * HADOOP-1700 gets fixed and even then.... -- we need to be able to find the master with a remote</span> |
| <span class="source-line-no">049</span><span id="line-49"> * client to run shutdown. To use a port other than 16000, set the hbase.master to a value of</span> |
| <span class="source-line-no">050</span><span id="line-50"> * 'local:PORT': that is 'local', not 'localhost', and the port number the master should use instead</span> |
| <span class="source-line-no">051</span><span id="line-51"> * of 16000.</span> |
| <span class="source-line-no">052</span><span id="line-52"> */</span> |
| <span class="source-line-no">053</span><span id="line-53">@InterfaceAudience.Private</span> |
| <span class="source-line-no">054</span><span id="line-54">public class LocalHBaseCluster {</span> |
| <span class="source-line-no">055</span><span id="line-55"> private static final Logger LOG = LoggerFactory.getLogger(LocalHBaseCluster.class);</span> |
| <span class="source-line-no">056</span><span id="line-56"> private final List<JVMClusterUtil.MasterThread> masterThreads = new CopyOnWriteArrayList<>();</span> |
| <span class="source-line-no">057</span><span id="line-57"> private final List<JVMClusterUtil.RegionServerThread> regionThreads =</span> |
| <span class="source-line-no">058</span><span id="line-58"> new CopyOnWriteArrayList<>();</span> |
| <span class="source-line-no">059</span><span id="line-59"> private final static int DEFAULT_NO = 1;</span> |
| <span class="source-line-no">060</span><span id="line-60"> /** local mode */</span> |
| <span class="source-line-no">061</span><span id="line-61"> public static final String LOCAL = "local";</span> |
| <span class="source-line-no">062</span><span id="line-62"> /** 'local:' */</span> |
| <span class="source-line-no">063</span><span id="line-63"> public static final String LOCAL_COLON = LOCAL + ":";</span> |
| <span class="source-line-no">064</span><span id="line-64"> public static final String ASSIGN_RANDOM_PORTS = "hbase.localcluster.assign.random.ports";</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> private final Configuration conf;</span> |
| <span class="source-line-no">067</span><span id="line-67"> private final Class<? extends HMaster> masterClass;</span> |
| <span class="source-line-no">068</span><span id="line-68"> private final Class<? extends HRegionServer> regionServerClass;</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"> * Constructor.</span> |
| <span class="source-line-no">072</span><span id="line-72"> */</span> |
| <span class="source-line-no">073</span><span id="line-73"> public LocalHBaseCluster(final Configuration conf) throws IOException {</span> |
| <span class="source-line-no">074</span><span id="line-74"> this(conf, DEFAULT_NO);</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"> * Constructor.</span> |
| <span class="source-line-no">079</span><span id="line-79"> * @param conf Configuration to use. Post construction has the master's address.</span> |
| <span class="source-line-no">080</span><span id="line-80"> * @param noRegionServers Count of regionservers to 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"> public LocalHBaseCluster(final Configuration conf, final int noRegionServers) throws IOException {</span> |
| <span class="source-line-no">083</span><span id="line-83"> this(conf, 1, 0, noRegionServers, getMasterImplementation(conf),</span> |
| <span class="source-line-no">084</span><span id="line-84"> getRegionServerImplementation(conf));</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"> * Constructor.</span> |
| <span class="source-line-no">089</span><span id="line-89"> * @param conf Configuration to use. Post construction has the active master address.</span> |
| <span class="source-line-no">090</span><span id="line-90"> * @param noMasters Count of masters to start.</span> |
| <span class="source-line-no">091</span><span id="line-91"> * @param noRegionServers Count of regionservers to start.</span> |
| <span class="source-line-no">092</span><span id="line-92"> */</span> |
| <span class="source-line-no">093</span><span id="line-93"> public LocalHBaseCluster(final Configuration conf, final int noMasters, final int noRegionServers)</span> |
| <span class="source-line-no">094</span><span id="line-94"> throws IOException {</span> |
| <span class="source-line-no">095</span><span id="line-95"> this(conf, noMasters, 0, noRegionServers, getMasterImplementation(conf),</span> |
| <span class="source-line-no">096</span><span id="line-96"> getRegionServerImplementation(conf));</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"> @SuppressWarnings("unchecked")</span> |
| <span class="source-line-no">100</span><span id="line-100"> private static Class<? extends HRegionServer></span> |
| <span class="source-line-no">101</span><span id="line-101"> getRegionServerImplementation(final Configuration conf) {</span> |
| <span class="source-line-no">102</span><span id="line-102"> return (Class<? extends HRegionServer>) conf.getClass(HConstants.REGION_SERVER_IMPL,</span> |
| <span class="source-line-no">103</span><span id="line-103"> HRegionServer.class);</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> @SuppressWarnings("unchecked")</span> |
| <span class="source-line-no">107</span><span id="line-107"> private static Class<? extends HMaster> getMasterImplementation(final Configuration conf) {</span> |
| <span class="source-line-no">108</span><span id="line-108"> return (Class<? extends HMaster>) conf.getClass(HConstants.MASTER_IMPL, HMaster.class);</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"> public LocalHBaseCluster(final Configuration conf, final int noMasters, final int noRegionServers,</span> |
| <span class="source-line-no">112</span><span id="line-112"> final Class<? extends HMaster> masterClass,</span> |
| <span class="source-line-no">113</span><span id="line-113"> final Class<? extends HRegionServer> regionServerClass) throws IOException {</span> |
| <span class="source-line-no">114</span><span id="line-114"> this(conf, noMasters, 0, noRegionServers, masterClass, regionServerClass);</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117"> /**</span> |
| <span class="source-line-no">118</span><span id="line-118"> * Constructor.</span> |
| <span class="source-line-no">119</span><span id="line-119"> * @param conf Configuration to use. Post construction has the master's address.</span> |
| <span class="source-line-no">120</span><span id="line-120"> * @param noMasters Count of masters to start.</span> |
| <span class="source-line-no">121</span><span id="line-121"> * @param noRegionServers Count of regionservers to start.</span> |
| <span class="source-line-no">122</span><span id="line-122"> */</span> |
| <span class="source-line-no">123</span><span id="line-123"> @SuppressWarnings("unchecked")</span> |
| <span class="source-line-no">124</span><span id="line-124"> public LocalHBaseCluster(final Configuration conf, final int noMasters,</span> |
| <span class="source-line-no">125</span><span id="line-125"> final int noAlwaysStandByMasters, final int noRegionServers,</span> |
| <span class="source-line-no">126</span><span id="line-126"> final Class<? extends HMaster> masterClass,</span> |
| <span class="source-line-no">127</span><span id="line-127"> final Class<? extends HRegionServer> regionServerClass) throws IOException {</span> |
| <span class="source-line-no">128</span><span id="line-128"> this.conf = conf;</span> |
| <span class="source-line-no">129</span><span id="line-129"></span> |
| <span class="source-line-no">130</span><span id="line-130"> // When active, if a port selection is default then we switch to random</span> |
| <span class="source-line-no">131</span><span id="line-131"> if (conf.getBoolean(ASSIGN_RANDOM_PORTS, false)) {</span> |
| <span class="source-line-no">132</span><span id="line-132"> if (</span> |
| <span class="source-line-no">133</span><span id="line-133"> conf.getInt(HConstants.MASTER_PORT, HConstants.DEFAULT_MASTER_PORT)</span> |
| <span class="source-line-no">134</span><span id="line-134"> == HConstants.DEFAULT_MASTER_PORT</span> |
| <span class="source-line-no">135</span><span id="line-135"> ) {</span> |
| <span class="source-line-no">136</span><span id="line-136"> LOG.debug("Setting Master Port to random.");</span> |
| <span class="source-line-no">137</span><span id="line-137"> conf.set(HConstants.MASTER_PORT, "0");</span> |
| <span class="source-line-no">138</span><span id="line-138"> }</span> |
| <span class="source-line-no">139</span><span id="line-139"> if (</span> |
| <span class="source-line-no">140</span><span id="line-140"> conf.getInt(HConstants.REGIONSERVER_PORT, HConstants.DEFAULT_REGIONSERVER_PORT)</span> |
| <span class="source-line-no">141</span><span id="line-141"> == HConstants.DEFAULT_REGIONSERVER_PORT</span> |
| <span class="source-line-no">142</span><span id="line-142"> ) {</span> |
| <span class="source-line-no">143</span><span id="line-143"> LOG.debug("Setting RegionServer Port to random.");</span> |
| <span class="source-line-no">144</span><span id="line-144"> conf.set(HConstants.REGIONSERVER_PORT, "0");</span> |
| <span class="source-line-no">145</span><span id="line-145"> }</span> |
| <span class="source-line-no">146</span><span id="line-146"> // treat info ports special; expressly don't change '-1' (keep off)</span> |
| <span class="source-line-no">147</span><span id="line-147"> // in case we make that the default behavior.</span> |
| <span class="source-line-no">148</span><span id="line-148"> if (</span> |
| <span class="source-line-no">149</span><span id="line-149"> conf.getInt(HConstants.REGIONSERVER_INFO_PORT, 0) != -1</span> |
| <span class="source-line-no">150</span><span id="line-150"> && conf.getInt(HConstants.REGIONSERVER_INFO_PORT,</span> |
| <span class="source-line-no">151</span><span id="line-151"> HConstants.DEFAULT_REGIONSERVER_INFOPORT) == HConstants.DEFAULT_REGIONSERVER_INFOPORT</span> |
| <span class="source-line-no">152</span><span id="line-152"> ) {</span> |
| <span class="source-line-no">153</span><span id="line-153"> LOG.debug("Setting RS InfoServer Port to random.");</span> |
| <span class="source-line-no">154</span><span id="line-154"> conf.set(HConstants.REGIONSERVER_INFO_PORT, "0");</span> |
| <span class="source-line-no">155</span><span id="line-155"> }</span> |
| <span class="source-line-no">156</span><span id="line-156"> if (</span> |
| <span class="source-line-no">157</span><span id="line-157"> conf.getInt(HConstants.MASTER_INFO_PORT, 0) != -1</span> |
| <span class="source-line-no">158</span><span id="line-158"> && conf.getInt(HConstants.MASTER_INFO_PORT, HConstants.DEFAULT_MASTER_INFOPORT)</span> |
| <span class="source-line-no">159</span><span id="line-159"> == HConstants.DEFAULT_MASTER_INFOPORT</span> |
| <span class="source-line-no">160</span><span id="line-160"> ) {</span> |
| <span class="source-line-no">161</span><span id="line-161"> LOG.debug("Setting Master InfoServer Port to random.");</span> |
| <span class="source-line-no">162</span><span id="line-162"> conf.set(HConstants.MASTER_INFO_PORT, "0");</span> |
| <span class="source-line-no">163</span><span id="line-163"> }</span> |
| <span class="source-line-no">164</span><span id="line-164"> }</span> |
| <span class="source-line-no">165</span><span id="line-165"></span> |
| <span class="source-line-no">166</span><span id="line-166"> this.masterClass =</span> |
| <span class="source-line-no">167</span><span id="line-167"> (Class<? extends HMaster>) conf.getClass(HConstants.MASTER_IMPL, masterClass);</span> |
| <span class="source-line-no">168</span><span id="line-168"> // Start the HMasters.</span> |
| <span class="source-line-no">169</span><span id="line-169"> int i;</span> |
| <span class="source-line-no">170</span><span id="line-170"> for (i = 0; i < noMasters; i++) {</span> |
| <span class="source-line-no">171</span><span id="line-171"> addMaster(new Configuration(conf), i);</span> |
| <span class="source-line-no">172</span><span id="line-172"> }</span> |
| <span class="source-line-no">173</span><span id="line-173"> for (int j = 0; j < noAlwaysStandByMasters; j++) {</span> |
| <span class="source-line-no">174</span><span id="line-174"> Configuration c = new Configuration(conf);</span> |
| <span class="source-line-no">175</span><span id="line-175"> c.set(HConstants.MASTER_IMPL, "org.apache.hadoop.hbase.master.AlwaysStandByHMaster");</span> |
| <span class="source-line-no">176</span><span id="line-176"> addMaster(c, i + j);</span> |
| <span class="source-line-no">177</span><span id="line-177"> }</span> |
| <span class="source-line-no">178</span><span id="line-178"> // Start the HRegionServers.</span> |
| <span class="source-line-no">179</span><span id="line-179"> this.regionServerClass = (Class<? extends HRegionServer>) conf</span> |
| <span class="source-line-no">180</span><span id="line-180"> .getClass(HConstants.REGION_SERVER_IMPL, regionServerClass);</span> |
| <span class="source-line-no">181</span><span id="line-181"></span> |
| <span class="source-line-no">182</span><span id="line-182"> for (int j = 0; j < noRegionServers; j++) {</span> |
| <span class="source-line-no">183</span><span id="line-183"> addRegionServer(new Configuration(conf), j);</span> |
| <span class="source-line-no">184</span><span id="line-184"> }</span> |
| <span class="source-line-no">185</span><span id="line-185"> }</span> |
| <span class="source-line-no">186</span><span id="line-186"></span> |
| <span class="source-line-no">187</span><span id="line-187"> public JVMClusterUtil.RegionServerThread addRegionServer() throws IOException {</span> |
| <span class="source-line-no">188</span><span id="line-188"> return addRegionServer(new Configuration(conf), this.regionThreads.size());</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"></span> |
| <span class="source-line-no">191</span><span id="line-191"> @SuppressWarnings("unchecked")</span> |
| <span class="source-line-no">192</span><span id="line-192"> public JVMClusterUtil.RegionServerThread addRegionServer(Configuration config, final int index)</span> |
| <span class="source-line-no">193</span><span id="line-193"> throws IOException {</span> |
| <span class="source-line-no">194</span><span id="line-194"> // Create each regionserver with its own Configuration instance so each has</span> |
| <span class="source-line-no">195</span><span id="line-195"> // its Connection instance rather than share (see HBASE_INSTANCES down in</span> |
| <span class="source-line-no">196</span><span id="line-196"> // the guts of ConnectionManager).</span> |
| <span class="source-line-no">197</span><span id="line-197"> JVMClusterUtil.RegionServerThread rst =</span> |
| <span class="source-line-no">198</span><span id="line-198"> JVMClusterUtil.createRegionServerThread(config, (Class<? extends HRegionServer>) conf</span> |
| <span class="source-line-no">199</span><span id="line-199"> .getClass(HConstants.REGION_SERVER_IMPL, this.regionServerClass), index);</span> |
| <span class="source-line-no">200</span><span id="line-200"></span> |
| <span class="source-line-no">201</span><span id="line-201"> this.regionThreads.add(rst);</span> |
| <span class="source-line-no">202</span><span id="line-202"> return rst;</span> |
| <span class="source-line-no">203</span><span id="line-203"> }</span> |
| <span class="source-line-no">204</span><span id="line-204"></span> |
| <span class="source-line-no">205</span><span id="line-205"> public JVMClusterUtil.RegionServerThread addRegionServer(final Configuration config,</span> |
| <span class="source-line-no">206</span><span id="line-206"> final int index, User user) throws IOException, InterruptedException {</span> |
| <span class="source-line-no">207</span><span id="line-207"> return user.runAs(new PrivilegedExceptionAction<JVMClusterUtil.RegionServerThread>() {</span> |
| <span class="source-line-no">208</span><span id="line-208"> @Override</span> |
| <span class="source-line-no">209</span><span id="line-209"> public JVMClusterUtil.RegionServerThread run() throws Exception {</span> |
| <span class="source-line-no">210</span><span id="line-210"> return addRegionServer(config, index);</span> |
| <span class="source-line-no">211</span><span id="line-211"> }</span> |
| <span class="source-line-no">212</span><span id="line-212"> });</span> |
| <span class="source-line-no">213</span><span id="line-213"> }</span> |
| <span class="source-line-no">214</span><span id="line-214"></span> |
| <span class="source-line-no">215</span><span id="line-215"> public JVMClusterUtil.MasterThread addMaster() throws IOException {</span> |
| <span class="source-line-no">216</span><span id="line-216"> return addMaster(new Configuration(conf), this.masterThreads.size());</span> |
| <span class="source-line-no">217</span><span id="line-217"> }</span> |
| <span class="source-line-no">218</span><span id="line-218"></span> |
| <span class="source-line-no">219</span><span id="line-219"> public JVMClusterUtil.MasterThread addMaster(Configuration c, final int index)</span> |
| <span class="source-line-no">220</span><span id="line-220"> throws IOException {</span> |
| <span class="source-line-no">221</span><span id="line-221"> // Create each master with its own Configuration instance so each has</span> |
| <span class="source-line-no">222</span><span id="line-222"> // its Connection instance rather than share (see HBASE_INSTANCES down in</span> |
| <span class="source-line-no">223</span><span id="line-223"> // the guts of ConnectionManager.</span> |
| <span class="source-line-no">224</span><span id="line-224"> JVMClusterUtil.MasterThread mt = JVMClusterUtil.createMasterThread(c,</span> |
| <span class="source-line-no">225</span><span id="line-225"> (Class<? extends HMaster>) c.getClass(HConstants.MASTER_IMPL, this.masterClass), index);</span> |
| <span class="source-line-no">226</span><span id="line-226"> this.masterThreads.add(mt);</span> |
| <span class="source-line-no">227</span><span id="line-227"> // Refresh the master address config.</span> |
| <span class="source-line-no">228</span><span id="line-228"> List<String> masterHostPorts = new ArrayList<>();</span> |
| <span class="source-line-no">229</span><span id="line-229"> getMasters().forEach(masterThread -> masterHostPorts</span> |
| <span class="source-line-no">230</span><span id="line-230"> .add(masterThread.getMaster().getServerName().getAddress().toString()));</span> |
| <span class="source-line-no">231</span><span id="line-231"> conf.set(HConstants.MASTER_ADDRS_KEY, String.join(",", masterHostPorts));</span> |
| <span class="source-line-no">232</span><span id="line-232"> return mt;</span> |
| <span class="source-line-no">233</span><span id="line-233"> }</span> |
| <span class="source-line-no">234</span><span id="line-234"></span> |
| <span class="source-line-no">235</span><span id="line-235"> public JVMClusterUtil.MasterThread addMaster(final Configuration c, final int index, User user)</span> |
| <span class="source-line-no">236</span><span id="line-236"> throws IOException, InterruptedException {</span> |
| <span class="source-line-no">237</span><span id="line-237"> return user.runAs(new PrivilegedExceptionAction<JVMClusterUtil.MasterThread>() {</span> |
| <span class="source-line-no">238</span><span id="line-238"> @Override</span> |
| <span class="source-line-no">239</span><span id="line-239"> public JVMClusterUtil.MasterThread run() throws Exception {</span> |
| <span class="source-line-no">240</span><span id="line-240"> return addMaster(c, index);</span> |
| <span class="source-line-no">241</span><span id="line-241"> }</span> |
| <span class="source-line-no">242</span><span id="line-242"> });</span> |
| <span class="source-line-no">243</span><span id="line-243"> }</span> |
| <span class="source-line-no">244</span><span id="line-244"></span> |
| <span class="source-line-no">245</span><span id="line-245"> /** Returns region server */</span> |
| <span class="source-line-no">246</span><span id="line-246"> public HRegionServer getRegionServer(int serverNumber) {</span> |
| <span class="source-line-no">247</span><span id="line-247"> return regionThreads.get(serverNumber).getRegionServer();</span> |
| <span class="source-line-no">248</span><span id="line-248"> }</span> |
| <span class="source-line-no">249</span><span id="line-249"></span> |
| <span class="source-line-no">250</span><span id="line-250"> /** Returns Read-only list of region server threads. */</span> |
| <span class="source-line-no">251</span><span id="line-251"> public List<JVMClusterUtil.RegionServerThread> getRegionServers() {</span> |
| <span class="source-line-no">252</span><span id="line-252"> return Collections.unmodifiableList(this.regionThreads);</span> |
| <span class="source-line-no">253</span><span id="line-253"> }</span> |
| <span class="source-line-no">254</span><span id="line-254"></span> |
| <span class="source-line-no">255</span><span id="line-255"> /**</span> |
| <span class="source-line-no">256</span><span id="line-256"> * @return List of running servers (Some servers may have been killed or aborted during lifetime</span> |
| <span class="source-line-no">257</span><span id="line-257"> * of cluster; these servers are not included in this list).</span> |
| <span class="source-line-no">258</span><span id="line-258"> */</span> |
| <span class="source-line-no">259</span><span id="line-259"> public List<JVMClusterUtil.RegionServerThread> getLiveRegionServers() {</span> |
| <span class="source-line-no">260</span><span id="line-260"> List<JVMClusterUtil.RegionServerThread> liveServers = new ArrayList<>();</span> |
| <span class="source-line-no">261</span><span id="line-261"> List<RegionServerThread> list = getRegionServers();</span> |
| <span class="source-line-no">262</span><span id="line-262"> for (JVMClusterUtil.RegionServerThread rst : list) {</span> |
| <span class="source-line-no">263</span><span id="line-263"> if (rst.isAlive()) liveServers.add(rst);</span> |
| <span class="source-line-no">264</span><span id="line-264"> else LOG.info("Not alive " + rst.getName());</span> |
| <span class="source-line-no">265</span><span id="line-265"> }</span> |
| <span class="source-line-no">266</span><span id="line-266"> return liveServers;</span> |
| <span class="source-line-no">267</span><span id="line-267"> }</span> |
| <span class="source-line-no">268</span><span id="line-268"></span> |
| <span class="source-line-no">269</span><span id="line-269"> /** Returns the Configuration used by this LocalHBaseCluster */</span> |
| <span class="source-line-no">270</span><span id="line-270"> public Configuration getConfiguration() {</span> |
| <span class="source-line-no">271</span><span id="line-271"> return this.conf;</span> |
| <span class="source-line-no">272</span><span id="line-272"> }</span> |
| <span class="source-line-no">273</span><span id="line-273"></span> |
| <span class="source-line-no">274</span><span id="line-274"> /**</span> |
| <span class="source-line-no">275</span><span id="line-275"> * Wait for the specified region server to stop. Removes this thread from list of running threads.</span> |
| <span class="source-line-no">276</span><span id="line-276"> * @return Name of region server that just went down.</span> |
| <span class="source-line-no">277</span><span id="line-277"> */</span> |
| <span class="source-line-no">278</span><span id="line-278"> public String waitOnRegionServer(int serverNumber) {</span> |
| <span class="source-line-no">279</span><span id="line-279"> JVMClusterUtil.RegionServerThread regionServerThread = this.regionThreads.get(serverNumber);</span> |
| <span class="source-line-no">280</span><span id="line-280"> return waitOnRegionServer(regionServerThread);</span> |
| <span class="source-line-no">281</span><span id="line-281"> }</span> |
| <span class="source-line-no">282</span><span id="line-282"></span> |
| <span class="source-line-no">283</span><span id="line-283"> /**</span> |
| <span class="source-line-no">284</span><span id="line-284"> * Wait for the specified region server to stop. Removes this thread from list of running threads.</span> |
| <span class="source-line-no">285</span><span id="line-285"> * @return Name of region server that just went down.</span> |
| <span class="source-line-no">286</span><span id="line-286"> */</span> |
| <span class="source-line-no">287</span><span id="line-287"> public String waitOnRegionServer(JVMClusterUtil.RegionServerThread rst) {</span> |
| <span class="source-line-no">288</span><span id="line-288"> boolean interrupted = false;</span> |
| <span class="source-line-no">289</span><span id="line-289"> while (rst.isAlive()) {</span> |
| <span class="source-line-no">290</span><span id="line-290"> try {</span> |
| <span class="source-line-no">291</span><span id="line-291"> LOG.info("Waiting on " + rst.getRegionServer().toString());</span> |
| <span class="source-line-no">292</span><span id="line-292"> rst.join();</span> |
| <span class="source-line-no">293</span><span id="line-293"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">294</span><span id="line-294"> LOG.error("Interrupted while waiting for {} to finish. Retrying join", rst.getName(), e);</span> |
| <span class="source-line-no">295</span><span id="line-295"> interrupted = true;</span> |
| <span class="source-line-no">296</span><span id="line-296"> }</span> |
| <span class="source-line-no">297</span><span id="line-297"> }</span> |
| <span class="source-line-no">298</span><span id="line-298"> regionThreads.remove(rst);</span> |
| <span class="source-line-no">299</span><span id="line-299"> if (interrupted) {</span> |
| <span class="source-line-no">300</span><span id="line-300"> Thread.currentThread().interrupt();</span> |
| <span class="source-line-no">301</span><span id="line-301"> }</span> |
| <span class="source-line-no">302</span><span id="line-302"> return rst.getName();</span> |
| <span class="source-line-no">303</span><span id="line-303"> }</span> |
| <span class="source-line-no">304</span><span id="line-304"></span> |
| <span class="source-line-no">305</span><span id="line-305"> /** Returns the HMaster thread */</span> |
| <span class="source-line-no">306</span><span id="line-306"> public HMaster getMaster(int serverNumber) {</span> |
| <span class="source-line-no">307</span><span id="line-307"> return masterThreads.get(serverNumber).getMaster();</span> |
| <span class="source-line-no">308</span><span id="line-308"> }</span> |
| <span class="source-line-no">309</span><span id="line-309"></span> |
| <span class="source-line-no">310</span><span id="line-310"> /**</span> |
| <span class="source-line-no">311</span><span id="line-311"> * Gets the current active master, if available. If no active master, returns null.</span> |
| <span class="source-line-no">312</span><span id="line-312"> * @return the HMaster for the active master</span> |
| <span class="source-line-no">313</span><span id="line-313"> */</span> |
| <span class="source-line-no">314</span><span id="line-314"> public HMaster getActiveMaster() {</span> |
| <span class="source-line-no">315</span><span id="line-315"> for (JVMClusterUtil.MasterThread mt : masterThreads) {</span> |
| <span class="source-line-no">316</span><span id="line-316"> // Ensure that the current active master is not stopped.</span> |
| <span class="source-line-no">317</span><span id="line-317"> // We don't want to return a stopping master as an active master.</span> |
| <span class="source-line-no">318</span><span id="line-318"> if (mt.getMaster().isActiveMaster() && !mt.getMaster().isStopped()) {</span> |
| <span class="source-line-no">319</span><span id="line-319"> return mt.getMaster();</span> |
| <span class="source-line-no">320</span><span id="line-320"> }</span> |
| <span class="source-line-no">321</span><span id="line-321"> }</span> |
| <span class="source-line-no">322</span><span id="line-322"> return null;</span> |
| <span class="source-line-no">323</span><span id="line-323"> }</span> |
| <span class="source-line-no">324</span><span id="line-324"></span> |
| <span class="source-line-no">325</span><span id="line-325"> /** Returns Read-only list of master threads. */</span> |
| <span class="source-line-no">326</span><span id="line-326"> public List<JVMClusterUtil.MasterThread> getMasters() {</span> |
| <span class="source-line-no">327</span><span id="line-327"> return Collections.unmodifiableList(this.masterThreads);</span> |
| <span class="source-line-no">328</span><span id="line-328"> }</span> |
| <span class="source-line-no">329</span><span id="line-329"></span> |
| <span class="source-line-no">330</span><span id="line-330"> /**</span> |
| <span class="source-line-no">331</span><span id="line-331"> * @return List of running master servers (Some servers may have been killed or aborted during</span> |
| <span class="source-line-no">332</span><span id="line-332"> * lifetime of cluster; these servers are not included in this list).</span> |
| <span class="source-line-no">333</span><span id="line-333"> */</span> |
| <span class="source-line-no">334</span><span id="line-334"> public List<JVMClusterUtil.MasterThread> getLiveMasters() {</span> |
| <span class="source-line-no">335</span><span id="line-335"> List<JVMClusterUtil.MasterThread> liveServers = new ArrayList<>();</span> |
| <span class="source-line-no">336</span><span id="line-336"> List<JVMClusterUtil.MasterThread> list = getMasters();</span> |
| <span class="source-line-no">337</span><span id="line-337"> for (JVMClusterUtil.MasterThread mt : list) {</span> |
| <span class="source-line-no">338</span><span id="line-338"> if (mt.isAlive()) {</span> |
| <span class="source-line-no">339</span><span id="line-339"> liveServers.add(mt);</span> |
| <span class="source-line-no">340</span><span id="line-340"> }</span> |
| <span class="source-line-no">341</span><span id="line-341"> }</span> |
| <span class="source-line-no">342</span><span id="line-342"> return liveServers;</span> |
| <span class="source-line-no">343</span><span id="line-343"> }</span> |
| <span class="source-line-no">344</span><span id="line-344"></span> |
| <span class="source-line-no">345</span><span id="line-345"> /**</span> |
| <span class="source-line-no">346</span><span id="line-346"> * Wait for the specified master to stop. Removes this thread from list of running threads.</span> |
| <span class="source-line-no">347</span><span id="line-347"> * @return Name of master that just went down.</span> |
| <span class="source-line-no">348</span><span id="line-348"> */</span> |
| <span class="source-line-no">349</span><span id="line-349"> public String waitOnMaster(int serverNumber) {</span> |
| <span class="source-line-no">350</span><span id="line-350"> JVMClusterUtil.MasterThread masterThread = this.masterThreads.get(serverNumber);</span> |
| <span class="source-line-no">351</span><span id="line-351"> return waitOnMaster(masterThread);</span> |
| <span class="source-line-no">352</span><span id="line-352"> }</span> |
| <span class="source-line-no">353</span><span id="line-353"></span> |
| <span class="source-line-no">354</span><span id="line-354"> /**</span> |
| <span class="source-line-no">355</span><span id="line-355"> * Wait for the specified master to stop. Removes this thread from list of running threads.</span> |
| <span class="source-line-no">356</span><span id="line-356"> * @return Name of master that just went down.</span> |
| <span class="source-line-no">357</span><span id="line-357"> */</span> |
| <span class="source-line-no">358</span><span id="line-358"> public String waitOnMaster(JVMClusterUtil.MasterThread masterThread) {</span> |
| <span class="source-line-no">359</span><span id="line-359"> boolean interrupted = false;</span> |
| <span class="source-line-no">360</span><span id="line-360"> while (masterThread.isAlive()) {</span> |
| <span class="source-line-no">361</span><span id="line-361"> try {</span> |
| <span class="source-line-no">362</span><span id="line-362"> LOG.info("Waiting on " + masterThread.getMaster().getServerName().toString());</span> |
| <span class="source-line-no">363</span><span id="line-363"> masterThread.join();</span> |
| <span class="source-line-no">364</span><span id="line-364"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">365</span><span id="line-365"> LOG.error("Interrupted while waiting for {} to finish. Retrying join",</span> |
| <span class="source-line-no">366</span><span id="line-366"> masterThread.getName(), e);</span> |
| <span class="source-line-no">367</span><span id="line-367"> interrupted = true;</span> |
| <span class="source-line-no">368</span><span id="line-368"> }</span> |
| <span class="source-line-no">369</span><span id="line-369"> }</span> |
| <span class="source-line-no">370</span><span id="line-370"> masterThreads.remove(masterThread);</span> |
| <span class="source-line-no">371</span><span id="line-371"> if (interrupted) {</span> |
| <span class="source-line-no">372</span><span id="line-372"> Thread.currentThread().interrupt();</span> |
| <span class="source-line-no">373</span><span id="line-373"> }</span> |
| <span class="source-line-no">374</span><span id="line-374"> return masterThread.getName();</span> |
| <span class="source-line-no">375</span><span id="line-375"> }</span> |
| <span class="source-line-no">376</span><span id="line-376"></span> |
| <span class="source-line-no">377</span><span id="line-377"> /**</span> |
| <span class="source-line-no">378</span><span id="line-378"> * Wait for Mini HBase Cluster to shut down. Presumes you've already called {@link #shutdown()}.</span> |
| <span class="source-line-no">379</span><span id="line-379"> */</span> |
| <span class="source-line-no">380</span><span id="line-380"> public void join() {</span> |
| <span class="source-line-no">381</span><span id="line-381"> if (this.regionThreads != null) {</span> |
| <span class="source-line-no">382</span><span id="line-382"> for (Thread t : this.regionThreads) {</span> |
| <span class="source-line-no">383</span><span id="line-383"> if (t.isAlive()) {</span> |
| <span class="source-line-no">384</span><span id="line-384"> try {</span> |
| <span class="source-line-no">385</span><span id="line-385"> Threads.threadDumpingIsAlive(t);</span> |
| <span class="source-line-no">386</span><span id="line-386"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">387</span><span id="line-387"> LOG.debug("Interrupted", e);</span> |
| <span class="source-line-no">388</span><span id="line-388"> }</span> |
| <span class="source-line-no">389</span><span id="line-389"> }</span> |
| <span class="source-line-no">390</span><span id="line-390"> }</span> |
| <span class="source-line-no">391</span><span id="line-391"> }</span> |
| <span class="source-line-no">392</span><span id="line-392"> if (this.masterThreads != null) {</span> |
| <span class="source-line-no">393</span><span id="line-393"> for (Thread t : this.masterThreads) {</span> |
| <span class="source-line-no">394</span><span id="line-394"> if (t.isAlive()) {</span> |
| <span class="source-line-no">395</span><span id="line-395"> try {</span> |
| <span class="source-line-no">396</span><span id="line-396"> Threads.threadDumpingIsAlive(t);</span> |
| <span class="source-line-no">397</span><span id="line-397"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">398</span><span id="line-398"> LOG.debug("Interrupted", e);</span> |
| <span class="source-line-no">399</span><span id="line-399"> }</span> |
| <span class="source-line-no">400</span><span id="line-400"> }</span> |
| <span class="source-line-no">401</span><span id="line-401"> }</span> |
| <span class="source-line-no">402</span><span id="line-402"> }</span> |
| <span class="source-line-no">403</span><span id="line-403"> }</span> |
| <span class="source-line-no">404</span><span id="line-404"></span> |
| <span class="source-line-no">405</span><span id="line-405"> /**</span> |
| <span class="source-line-no">406</span><span id="line-406"> * Start the cluster.</span> |
| <span class="source-line-no">407</span><span id="line-407"> */</span> |
| <span class="source-line-no">408</span><span id="line-408"> public void startup() throws IOException {</span> |
| <span class="source-line-no">409</span><span id="line-409"> JVMClusterUtil.startup(this.masterThreads, this.regionThreads);</span> |
| <span class="source-line-no">410</span><span id="line-410"> }</span> |
| <span class="source-line-no">411</span><span id="line-411"></span> |
| <span class="source-line-no">412</span><span id="line-412"> /**</span> |
| <span class="source-line-no">413</span><span id="line-413"> * Shut down the mini HBase cluster</span> |
| <span class="source-line-no">414</span><span id="line-414"> */</span> |
| <span class="source-line-no">415</span><span id="line-415"> public void shutdown() {</span> |
| <span class="source-line-no">416</span><span id="line-416"> JVMClusterUtil.shutdown(this.masterThreads, this.regionThreads);</span> |
| <span class="source-line-no">417</span><span id="line-417"> }</span> |
| <span class="source-line-no">418</span><span id="line-418"></span> |
| <span class="source-line-no">419</span><span id="line-419"> /**</span> |
| <span class="source-line-no">420</span><span id="line-420"> * @param c Configuration to check.</span> |
| <span class="source-line-no">421</span><span id="line-421"> * @return True if a 'local' address in hbase.master value.</span> |
| <span class="source-line-no">422</span><span id="line-422"> */</span> |
| <span class="source-line-no">423</span><span id="line-423"> public static boolean isLocal(final Configuration c) {</span> |
| <span class="source-line-no">424</span><span id="line-424"> boolean mode =</span> |
| <span class="source-line-no">425</span><span id="line-425"> c.getBoolean(HConstants.CLUSTER_DISTRIBUTED, HConstants.DEFAULT_CLUSTER_DISTRIBUTED);</span> |
| <span class="source-line-no">426</span><span id="line-426"> return (mode == HConstants.CLUSTER_IS_LOCAL);</span> |
| <span class="source-line-no">427</span><span id="line-427"> }</span> |
| <span class="source-line-no">428</span><span id="line-428"></span> |
| <span class="source-line-no">429</span><span id="line-429"> /**</span> |
| <span class="source-line-no">430</span><span id="line-430"> * Test things basically work.</span> |
| <span class="source-line-no">431</span><span id="line-431"> */</span> |
| <span class="source-line-no">432</span><span id="line-432"> public static void main(String[] args) throws IOException {</span> |
| <span class="source-line-no">433</span><span id="line-433"> Configuration conf = HBaseConfiguration.create();</span> |
| <span class="source-line-no">434</span><span id="line-434"> LocalHBaseCluster cluster = new LocalHBaseCluster(conf);</span> |
| <span class="source-line-no">435</span><span id="line-435"> cluster.startup();</span> |
| <span class="source-line-no">436</span><span id="line-436"> try (Connection connection = ConnectionFactory.createConnection(conf);</span> |
| <span class="source-line-no">437</span><span id="line-437"> Admin admin = connection.getAdmin()) {</span> |
| <span class="source-line-no">438</span><span id="line-438"> TableDescriptor htd =</span> |
| <span class="source-line-no">439</span><span id="line-439"> TableDescriptorBuilder.newBuilder(TableName.valueOf(cluster.getClass().getName())).build();</span> |
| <span class="source-line-no">440</span><span id="line-440"> admin.createTable(htd);</span> |
| <span class="source-line-no">441</span><span id="line-441"> } finally {</span> |
| <span class="source-line-no">442</span><span id="line-442"> cluster.shutdown();</span> |
| <span class="source-line-no">443</span><span id="line-443"> }</span> |
| <span class="source-line-no">444</span><span id="line-444"> }</span> |
| <span class="source-line-no">445</span><span id="line-445">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
