| <!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.master, class: HMasterCommandLine, class: LocalHMaster"> |
| <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.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 io.opentelemetry.api.trace.Span;</span> |
| <span class="source-line-no">021</span><span id="line-21">import io.opentelemetry.api.trace.StatusCode;</span> |
| <span class="source-line-no">022</span><span id="line-22">import io.opentelemetry.context.Scope;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.File;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.List;</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.HConstants;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.LocalHBaseCluster;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.MasterNotRunningException;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.ZNodeClearer;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.ZooKeeperConnectionException;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.regionserver.HRegionServer;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.trace.TraceUtil;</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.apache.hadoop.hbase.util.ServerCommandLine;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.zookeeper.ZKAuthentication;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.slf4j.Logger;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hbase.thirdparty.org.apache.commons.cli.GnuParser;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hbase.thirdparty.org.apache.commons.cli.Options;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hbase.thirdparty.org.apache.commons.cli.ParseException;</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51">@InterfaceAudience.Private</span> |
| <span class="source-line-no">052</span><span id="line-52">public class HMasterCommandLine extends ServerCommandLine {</span> |
| <span class="source-line-no">053</span><span id="line-53"> private static final Logger LOG = LoggerFactory.getLogger(HMasterCommandLine.class);</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> private static final String USAGE = "Usage: Master [opts] start|stop|clear\n"</span> |
| <span class="source-line-no">056</span><span id="line-56"> + " start Start Master. If local mode, start Master and RegionServer in same JVM\n"</span> |
| <span class="source-line-no">057</span><span id="line-57"> + " stop Start cluster shutdown; Master signals RegionServer shutdown\n"</span> |
| <span class="source-line-no">058</span><span id="line-58"> + " clear Delete the master znode in ZooKeeper after a master crashes\n "</span> |
| <span class="source-line-no">059</span><span id="line-59"> + " where [opts] are:\n"</span> |
| <span class="source-line-no">060</span><span id="line-60"> + " --minRegionServers=<servers> Minimum RegionServers needed to host user tables.\n"</span> |
| <span class="source-line-no">061</span><span id="line-61"> + " --localRegionServers=<servers> "</span> |
| <span class="source-line-no">062</span><span id="line-62"> + "RegionServers to start in master process when in standalone mode.\n"</span> |
| <span class="source-line-no">063</span><span id="line-63"> + " --masters=<servers> Masters to start in this process.\n"</span> |
| <span class="source-line-no">064</span><span id="line-64"> + " --backup Master should start in backup mode\n"</span> |
| <span class="source-line-no">065</span><span id="line-65"> + " --shutDownCluster "</span> |
| <span class="source-line-no">066</span><span id="line-66"> + "Start Cluster shutdown; Master signals RegionServer shutdown";</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> private final Class<? extends HMaster> masterClass;</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> public HMasterCommandLine(Class<? extends HMaster> masterClass) {</span> |
| <span class="source-line-no">071</span><span id="line-71"> this.masterClass = masterClass;</span> |
| <span class="source-line-no">072</span><span id="line-72"> }</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> @Override</span> |
| <span class="source-line-no">075</span><span id="line-75"> protected String getUsage() {</span> |
| <span class="source-line-no">076</span><span id="line-76"> return USAGE;</span> |
| <span class="source-line-no">077</span><span id="line-77"> }</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> @Override</span> |
| <span class="source-line-no">080</span><span id="line-80"> public int run(String args[]) throws Exception {</span> |
| <span class="source-line-no">081</span><span id="line-81"> boolean shutDownCluster = false;</span> |
| <span class="source-line-no">082</span><span id="line-82"> Options opt = new Options();</span> |
| <span class="source-line-no">083</span><span id="line-83"> opt.addOption("localRegionServers", true,</span> |
| <span class="source-line-no">084</span><span id="line-84"> "RegionServers to start in master process when running standalone");</span> |
| <span class="source-line-no">085</span><span id="line-85"> opt.addOption("masters", true, "Masters to start in this process");</span> |
| <span class="source-line-no">086</span><span id="line-86"> opt.addOption("minRegionServers", true, "Minimum RegionServers needed to host user tables");</span> |
| <span class="source-line-no">087</span><span id="line-87"> opt.addOption("backup", false, "Do not try to become HMaster until the primary fails");</span> |
| <span class="source-line-no">088</span><span id="line-88"> opt.addOption("shutDownCluster", false,</span> |
| <span class="source-line-no">089</span><span id="line-89"> "`hbase master stop --shutDownCluster` shuts down cluster");</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> CommandLine cmd;</span> |
| <span class="source-line-no">092</span><span id="line-92"> try {</span> |
| <span class="source-line-no">093</span><span id="line-93"> cmd = new GnuParser().parse(opt, args);</span> |
| <span class="source-line-no">094</span><span id="line-94"> } catch (ParseException e) {</span> |
| <span class="source-line-no">095</span><span id="line-95"> LOG.error("Could not parse: ", e);</span> |
| <span class="source-line-no">096</span><span id="line-96"> usage(null);</span> |
| <span class="source-line-no">097</span><span id="line-97"> return 1;</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> if (cmd.hasOption("minRegionServers")) {</span> |
| <span class="source-line-no">101</span><span id="line-101"> String val = cmd.getOptionValue("minRegionServers");</span> |
| <span class="source-line-no">102</span><span id="line-102"> getConf().setInt("hbase.regions.server.count.min", Integer.parseInt(val));</span> |
| <span class="source-line-no">103</span><span id="line-103"> LOG.debug("minRegionServers set to " + val);</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"> // minRegionServers used to be minServers. Support it too.</span> |
| <span class="source-line-no">107</span><span id="line-107"> if (cmd.hasOption("minServers")) {</span> |
| <span class="source-line-no">108</span><span id="line-108"> String val = cmd.getOptionValue("minServers");</span> |
| <span class="source-line-no">109</span><span id="line-109"> getConf().setInt("hbase.regions.server.count.min", Integer.parseInt(val));</span> |
| <span class="source-line-no">110</span><span id="line-110"> LOG.debug("minServers set to " + val);</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"> // check if we are the backup master - override the conf if so</span> |
| <span class="source-line-no">114</span><span id="line-114"> if (cmd.hasOption("backup")) {</span> |
| <span class="source-line-no">115</span><span id="line-115"> getConf().setBoolean(HConstants.MASTER_TYPE_BACKUP, true);</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"> // How many regionservers to startup in this process (we run regionservers in same process as</span> |
| <span class="source-line-no">119</span><span id="line-119"> // master when we are in local/standalone mode. Useful testing)</span> |
| <span class="source-line-no">120</span><span id="line-120"> if (cmd.hasOption("localRegionServers")) {</span> |
| <span class="source-line-no">121</span><span id="line-121"> String val = cmd.getOptionValue("localRegionServers");</span> |
| <span class="source-line-no">122</span><span id="line-122"> getConf().setInt("hbase.regionservers", Integer.parseInt(val));</span> |
| <span class="source-line-no">123</span><span id="line-123"> LOG.debug("localRegionServers set to " + val);</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"> // How many masters to startup inside this process; useful testing</span> |
| <span class="source-line-no">126</span><span id="line-126"> if (cmd.hasOption("masters")) {</span> |
| <span class="source-line-no">127</span><span id="line-127"> String val = cmd.getOptionValue("masters");</span> |
| <span class="source-line-no">128</span><span id="line-128"> getConf().setInt("hbase.masters", Integer.parseInt(val));</span> |
| <span class="source-line-no">129</span><span id="line-129"> LOG.debug("masters set to " + val);</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> |
| <span class="source-line-no">132</span><span id="line-132"> // Checking whether to shut down cluster or not</span> |
| <span class="source-line-no">133</span><span id="line-133"> if (cmd.hasOption("shutDownCluster")) {</span> |
| <span class="source-line-no">134</span><span id="line-134"> shutDownCluster = true;</span> |
| <span class="source-line-no">135</span><span id="line-135"> }</span> |
| <span class="source-line-no">136</span><span id="line-136"></span> |
| <span class="source-line-no">137</span><span id="line-137"> @SuppressWarnings("unchecked")</span> |
| <span class="source-line-no">138</span><span id="line-138"> List<String> remainingArgs = cmd.getArgList();</span> |
| <span class="source-line-no">139</span><span id="line-139"> if (remainingArgs.size() != 1) {</span> |
| <span class="source-line-no">140</span><span id="line-140"> usage(null);</span> |
| <span class="source-line-no">141</span><span id="line-141"> return 1;</span> |
| <span class="source-line-no">142</span><span id="line-142"> }</span> |
| <span class="source-line-no">143</span><span id="line-143"></span> |
| <span class="source-line-no">144</span><span id="line-144"> String command = remainingArgs.get(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"> if ("start".equals(command)) {</span> |
| <span class="source-line-no">147</span><span id="line-147"> return startMaster();</span> |
| <span class="source-line-no">148</span><span id="line-148"> } else if ("stop".equals(command)) {</span> |
| <span class="source-line-no">149</span><span id="line-149"> if (shutDownCluster) {</span> |
| <span class="source-line-no">150</span><span id="line-150"> return stopMaster();</span> |
| <span class="source-line-no">151</span><span id="line-151"> }</span> |
| <span class="source-line-no">152</span><span id="line-152"> System.err.println("To shutdown the master run "</span> |
| <span class="source-line-no">153</span><span id="line-153"> + "hbase-daemon.sh stop master or send a kill signal to the HMaster pid, "</span> |
| <span class="source-line-no">154</span><span id="line-154"> + "and to stop HBase Cluster run \"stop-hbase.sh\" or \"hbase master "</span> |
| <span class="source-line-no">155</span><span id="line-155"> + "stop --shutDownCluster\"");</span> |
| <span class="source-line-no">156</span><span id="line-156"> return 1;</span> |
| <span class="source-line-no">157</span><span id="line-157"> } else if ("clear".equals(command)) {</span> |
| <span class="source-line-no">158</span><span id="line-158"> return (ZNodeClearer.clear(getConf()) ? 0 : 1);</span> |
| <span class="source-line-no">159</span><span id="line-159"> } else {</span> |
| <span class="source-line-no">160</span><span id="line-160"> usage("Invalid command: " + command);</span> |
| <span class="source-line-no">161</span><span id="line-161"> return 1;</span> |
| <span class="source-line-no">162</span><span id="line-162"> }</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"> private int startMaster() {</span> |
| <span class="source-line-no">166</span><span id="line-166"> Configuration conf = getConf();</span> |
| <span class="source-line-no">167</span><span id="line-167"> final Span span = TraceUtil.createSpan("HMasterCommandLine.startMaster");</span> |
| <span class="source-line-no">168</span><span id="line-168"> try (Scope ignored = span.makeCurrent()) {</span> |
| <span class="source-line-no">169</span><span id="line-169"> // If 'local', defer to LocalHBaseCluster instance. Starts master</span> |
| <span class="source-line-no">170</span><span id="line-170"> // and regionserver both in the one JVM.</span> |
| <span class="source-line-no">171</span><span id="line-171"> if (LocalHBaseCluster.isLocal(conf)) {</span> |
| <span class="source-line-no">172</span><span id="line-172"> DefaultMetricsSystem.setMiniClusterMode(true);</span> |
| <span class="source-line-no">173</span><span id="line-173"> final MiniZooKeeperCluster zooKeeperCluster = new MiniZooKeeperCluster(conf);</span> |
| <span class="source-line-no">174</span><span id="line-174"> File zkDataPath = new File(conf.get(HConstants.ZOOKEEPER_DATA_DIR));</span> |
| <span class="source-line-no">175</span><span id="line-175"></span> |
| <span class="source-line-no">176</span><span id="line-176"> // find out the default client port</span> |
| <span class="source-line-no">177</span><span id="line-177"> int zkClientPort = 0;</span> |
| <span class="source-line-no">178</span><span id="line-178"></span> |
| <span class="source-line-no">179</span><span id="line-179"> // If the zookeeper client port is specified in server quorum, use it.</span> |
| <span class="source-line-no">180</span><span id="line-180"> String zkserver = conf.get(HConstants.ZOOKEEPER_QUORUM);</span> |
| <span class="source-line-no">181</span><span id="line-181"> if (zkserver != null) {</span> |
| <span class="source-line-no">182</span><span id="line-182"> String[] zkservers = zkserver.split(",");</span> |
| <span class="source-line-no">183</span><span id="line-183"></span> |
| <span class="source-line-no">184</span><span id="line-184"> if (zkservers.length > 1) {</span> |
| <span class="source-line-no">185</span><span id="line-185"> // In local mode deployment, we have the master + a region server and zookeeper server</span> |
| <span class="source-line-no">186</span><span id="line-186"> // started in the same process. Therefore, we only support one zookeeper server.</span> |
| <span class="source-line-no">187</span><span id="line-187"> String errorMsg = "Could not start ZK with " + zkservers.length</span> |
| <span class="source-line-no">188</span><span id="line-188"> + " ZK servers in local mode deployment. Aborting as clients (e.g. shell) will not "</span> |
| <span class="source-line-no">189</span><span id="line-189"> + "be able to find this ZK quorum.";</span> |
| <span class="source-line-no">190</span><span id="line-190"> System.err.println(errorMsg);</span> |
| <span class="source-line-no">191</span><span id="line-191"> throw new IOException(errorMsg);</span> |
| <span class="source-line-no">192</span><span id="line-192"> }</span> |
| <span class="source-line-no">193</span><span id="line-193"></span> |
| <span class="source-line-no">194</span><span id="line-194"> String[] parts = zkservers[0].split(":");</span> |
| <span class="source-line-no">195</span><span id="line-195"></span> |
| <span class="source-line-no">196</span><span id="line-196"> if (parts.length == 2) {</span> |
| <span class="source-line-no">197</span><span id="line-197"> // the second part is the client port</span> |
| <span class="source-line-no">198</span><span id="line-198"> zkClientPort = Integer.parseInt(parts[1]);</span> |
| <span class="source-line-no">199</span><span id="line-199"> }</span> |
| <span class="source-line-no">200</span><span id="line-200"> }</span> |
| <span class="source-line-no">201</span><span id="line-201"> // If the client port could not be find in server quorum conf, try another conf</span> |
| <span class="source-line-no">202</span><span id="line-202"> if (zkClientPort == 0) {</span> |
| <span class="source-line-no">203</span><span id="line-203"> zkClientPort = conf.getInt(HConstants.ZOOKEEPER_CLIENT_PORT, 0);</span> |
| <span class="source-line-no">204</span><span id="line-204"> // The client port has to be set by now; if not, throw exception.</span> |
| <span class="source-line-no">205</span><span id="line-205"> if (zkClientPort == 0) {</span> |
| <span class="source-line-no">206</span><span id="line-206"> throw new IOException("No config value for " + HConstants.ZOOKEEPER_CLIENT_PORT);</span> |
| <span class="source-line-no">207</span><span id="line-207"> }</span> |
| <span class="source-line-no">208</span><span id="line-208"> }</span> |
| <span class="source-line-no">209</span><span id="line-209"> zooKeeperCluster.setDefaultClientPort(zkClientPort);</span> |
| <span class="source-line-no">210</span><span id="line-210"> // set the ZK tick time if specified</span> |
| <span class="source-line-no">211</span><span id="line-211"> int zkTickTime = conf.getInt(HConstants.ZOOKEEPER_TICK_TIME, 0);</span> |
| <span class="source-line-no">212</span><span id="line-212"> if (zkTickTime > 0) {</span> |
| <span class="source-line-no">213</span><span id="line-213"> zooKeeperCluster.setTickTime(zkTickTime);</span> |
| <span class="source-line-no">214</span><span id="line-214"> }</span> |
| <span class="source-line-no">215</span><span id="line-215"></span> |
| <span class="source-line-no">216</span><span id="line-216"> // login the zookeeper server principal (if using security)</span> |
| <span class="source-line-no">217</span><span id="line-217"> ZKAuthentication.loginServer(conf, HConstants.ZK_SERVER_KEYTAB_FILE,</span> |
| <span class="source-line-no">218</span><span id="line-218"> HConstants.ZK_SERVER_KERBEROS_PRINCIPAL, null);</span> |
| <span class="source-line-no">219</span><span id="line-219"> int localZKClusterSessionTimeout =</span> |
| <span class="source-line-no">220</span><span id="line-220"> conf.getInt(HConstants.ZK_SESSION_TIMEOUT + ".localHBaseCluster", 10 * 1000);</span> |
| <span class="source-line-no">221</span><span id="line-221"> conf.setInt(HConstants.ZK_SESSION_TIMEOUT, localZKClusterSessionTimeout);</span> |
| <span class="source-line-no">222</span><span id="line-222"> LOG.info("Starting a zookeeper cluster");</span> |
| <span class="source-line-no">223</span><span id="line-223"> int clientPort = zooKeeperCluster.startup(zkDataPath);</span> |
| <span class="source-line-no">224</span><span id="line-224"> if (clientPort != zkClientPort) {</span> |
| <span class="source-line-no">225</span><span id="line-225"> String errorMsg = "Could not start ZK at requested port of " + zkClientPort</span> |
| <span class="source-line-no">226</span><span id="line-226"> + ". ZK was started at port: " + clientPort</span> |
| <span class="source-line-no">227</span><span id="line-227"> + ". Aborting as clients (e.g. shell) will not be able to find " + "this ZK quorum.";</span> |
| <span class="source-line-no">228</span><span id="line-228"> System.err.println(errorMsg);</span> |
| <span class="source-line-no">229</span><span id="line-229"> throw new IOException(errorMsg);</span> |
| <span class="source-line-no">230</span><span id="line-230"> }</span> |
| <span class="source-line-no">231</span><span id="line-231"> conf.set(HConstants.ZOOKEEPER_CLIENT_PORT, Integer.toString(clientPort));</span> |
| <span class="source-line-no">232</span><span id="line-232"></span> |
| <span class="source-line-no">233</span><span id="line-233"> // Need to have the zk cluster shutdown when master is shutdown.</span> |
| <span class="source-line-no">234</span><span id="line-234"> // Run a subclass that does the zk cluster shutdown on its way out.</span> |
| <span class="source-line-no">235</span><span id="line-235"> int mastersCount = conf.getInt("hbase.masters", 1);</span> |
| <span class="source-line-no">236</span><span id="line-236"> int regionServersCount = conf.getInt("hbase.regionservers", 1);</span> |
| <span class="source-line-no">237</span><span id="line-237"> // Set start timeout to 5 minutes for cmd line start operations</span> |
| <span class="source-line-no">238</span><span id="line-238"> conf.setIfUnset("hbase.master.start.timeout.localHBaseCluster", "300000");</span> |
| <span class="source-line-no">239</span><span id="line-239"> LOG.info("Starting up instance of localHBaseCluster; master=" + mastersCount</span> |
| <span class="source-line-no">240</span><span id="line-240"> + ", regionserversCount=" + regionServersCount);</span> |
| <span class="source-line-no">241</span><span id="line-241"> LocalHBaseCluster cluster = new LocalHBaseCluster(conf, mastersCount, regionServersCount,</span> |
| <span class="source-line-no">242</span><span id="line-242"> LocalHMaster.class, HRegionServer.class);</span> |
| <span class="source-line-no">243</span><span id="line-243"> ((LocalHMaster) cluster.getMaster(0)).setZKCluster(zooKeeperCluster);</span> |
| <span class="source-line-no">244</span><span id="line-244"> cluster.startup();</span> |
| <span class="source-line-no">245</span><span id="line-245"> waitOnMasterThreads(cluster);</span> |
| <span class="source-line-no">246</span><span id="line-246"> } else {</span> |
| <span class="source-line-no">247</span><span id="line-247"> logProcessInfo(getConf());</span> |
| <span class="source-line-no">248</span><span id="line-248"> HMaster master = HMaster.constructMaster(masterClass, conf);</span> |
| <span class="source-line-no">249</span><span id="line-249"> if (master.isStopped()) {</span> |
| <span class="source-line-no">250</span><span id="line-250"> LOG.info("Won't bring the Master up as a shutdown is requested");</span> |
| <span class="source-line-no">251</span><span id="line-251"> return 1;</span> |
| <span class="source-line-no">252</span><span id="line-252"> }</span> |
| <span class="source-line-no">253</span><span id="line-253"> master.start();</span> |
| <span class="source-line-no">254</span><span id="line-254"> master.join();</span> |
| <span class="source-line-no">255</span><span id="line-255"> if (master.isAborted()) throw new RuntimeException("HMaster Aborted");</span> |
| <span class="source-line-no">256</span><span id="line-256"> }</span> |
| <span class="source-line-no">257</span><span id="line-257"> span.setStatus(StatusCode.OK);</span> |
| <span class="source-line-no">258</span><span id="line-258"> } catch (Throwable t) {</span> |
| <span class="source-line-no">259</span><span id="line-259"> TraceUtil.setError(span, t);</span> |
| <span class="source-line-no">260</span><span id="line-260"> LOG.error("Master exiting", t);</span> |
| <span class="source-line-no">261</span><span id="line-261"> return 1;</span> |
| <span class="source-line-no">262</span><span id="line-262"> } finally {</span> |
| <span class="source-line-no">263</span><span id="line-263"> span.end();</span> |
| <span class="source-line-no">264</span><span id="line-264"> }</span> |
| <span class="source-line-no">265</span><span id="line-265"> return 0;</span> |
| <span class="source-line-no">266</span><span id="line-266"> }</span> |
| <span class="source-line-no">267</span><span id="line-267"></span> |
| <span class="source-line-no">268</span><span id="line-268"> @SuppressWarnings("resource")</span> |
| <span class="source-line-no">269</span><span id="line-269"> private int stopMaster() {</span> |
| <span class="source-line-no">270</span><span id="line-270"> Configuration conf = getConf();</span> |
| <span class="source-line-no">271</span><span id="line-271"> // Don't try more than once</span> |
| <span class="source-line-no">272</span><span id="line-272"> conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 0);</span> |
| <span class="source-line-no">273</span><span id="line-273"> try (Connection connection = ConnectionFactory.createConnection(conf)) {</span> |
| <span class="source-line-no">274</span><span id="line-274"> try (Admin admin = connection.getAdmin()) {</span> |
| <span class="source-line-no">275</span><span id="line-275"> admin.shutdown();</span> |
| <span class="source-line-no">276</span><span id="line-276"> } catch (Throwable t) {</span> |
| <span class="source-line-no">277</span><span id="line-277"> LOG.error("Failed to stop master", t);</span> |
| <span class="source-line-no">278</span><span id="line-278"> return 1;</span> |
| <span class="source-line-no">279</span><span id="line-279"> }</span> |
| <span class="source-line-no">280</span><span id="line-280"> } catch (MasterNotRunningException e) {</span> |
| <span class="source-line-no">281</span><span id="line-281"> LOG.error("Master not running");</span> |
| <span class="source-line-no">282</span><span id="line-282"> return 1;</span> |
| <span class="source-line-no">283</span><span id="line-283"> } catch (ZooKeeperConnectionException e) {</span> |
| <span class="source-line-no">284</span><span id="line-284"> LOG.error("ZooKeeper not available");</span> |
| <span class="source-line-no">285</span><span id="line-285"> return 1;</span> |
| <span class="source-line-no">286</span><span id="line-286"> } catch (IOException e) {</span> |
| <span class="source-line-no">287</span><span id="line-287"> LOG.error("Got IOException: " + e.getMessage(), e);</span> |
| <span class="source-line-no">288</span><span id="line-288"> return 1;</span> |
| <span class="source-line-no">289</span><span id="line-289"> }</span> |
| <span class="source-line-no">290</span><span id="line-290"> return 0;</span> |
| <span class="source-line-no">291</span><span id="line-291"> }</span> |
| <span class="source-line-no">292</span><span id="line-292"></span> |
| <span class="source-line-no">293</span><span id="line-293"> private void waitOnMasterThreads(LocalHBaseCluster cluster) throws InterruptedException {</span> |
| <span class="source-line-no">294</span><span id="line-294"> List<JVMClusterUtil.MasterThread> masters = cluster.getMasters();</span> |
| <span class="source-line-no">295</span><span id="line-295"> List<JVMClusterUtil.RegionServerThread> regionservers = cluster.getRegionServers();</span> |
| <span class="source-line-no">296</span><span id="line-296"></span> |
| <span class="source-line-no">297</span><span id="line-297"> if (masters != null) {</span> |
| <span class="source-line-no">298</span><span id="line-298"> for (JVMClusterUtil.MasterThread t : masters) {</span> |
| <span class="source-line-no">299</span><span id="line-299"> t.join();</span> |
| <span class="source-line-no">300</span><span id="line-300"> if (t.getMaster().isAborted()) {</span> |
| <span class="source-line-no">301</span><span id="line-301"> closeAllRegionServerThreads(regionservers);</span> |
| <span class="source-line-no">302</span><span id="line-302"> throw new RuntimeException("HMaster Aborted");</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"> }</span> |
| <span class="source-line-no">306</span><span id="line-306"> }</span> |
| <span class="source-line-no">307</span><span id="line-307"></span> |
| <span class="source-line-no">308</span><span id="line-308"> private static void</span> |
| <span class="source-line-no">309</span><span id="line-309"> closeAllRegionServerThreads(List<JVMClusterUtil.RegionServerThread> regionservers) {</span> |
| <span class="source-line-no">310</span><span id="line-310"> for (JVMClusterUtil.RegionServerThread t : regionservers) {</span> |
| <span class="source-line-no">311</span><span id="line-311"> t.getRegionServer().stop("HMaster Aborted; Bringing down regions servers");</span> |
| <span class="source-line-no">312</span><span id="line-312"> }</span> |
| <span class="source-line-no">313</span><span id="line-313"> }</span> |
| <span class="source-line-no">314</span><span id="line-314"></span> |
| <span class="source-line-no">315</span><span id="line-315"> /*</span> |
| <span class="source-line-no">316</span><span id="line-316"> * Version of master that will shutdown the passed zk cluster on its way out.</span> |
| <span class="source-line-no">317</span><span id="line-317"> */</span> |
| <span class="source-line-no">318</span><span id="line-318"> public static class LocalHMaster extends HMaster {</span> |
| <span class="source-line-no">319</span><span id="line-319"> private MiniZooKeeperCluster zkcluster = null;</span> |
| <span class="source-line-no">320</span><span id="line-320"></span> |
| <span class="source-line-no">321</span><span id="line-321"> public LocalHMaster(Configuration conf) throws IOException {</span> |
| <span class="source-line-no">322</span><span id="line-322"> super(conf);</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"> @Override</span> |
| <span class="source-line-no">326</span><span id="line-326"> public void run() {</span> |
| <span class="source-line-no">327</span><span id="line-327"> super.run();</span> |
| <span class="source-line-no">328</span><span id="line-328"> if (this.zkcluster != null) {</span> |
| <span class="source-line-no">329</span><span id="line-329"> try {</span> |
| <span class="source-line-no">330</span><span id="line-330"> this.zkcluster.shutdown();</span> |
| <span class="source-line-no">331</span><span id="line-331"> } catch (IOException e) {</span> |
| <span class="source-line-no">332</span><span id="line-332"> LOG.error("Failed to shutdown MiniZooKeeperCluster", e);</span> |
| <span class="source-line-no">333</span><span id="line-333"> }</span> |
| <span class="source-line-no">334</span><span id="line-334"> }</span> |
| <span class="source-line-no">335</span><span id="line-335"> }</span> |
| <span class="source-line-no">336</span><span id="line-336"></span> |
| <span class="source-line-no">337</span><span id="line-337"> void setZKCluster(final MiniZooKeeperCluster zkcluster) {</span> |
| <span class="source-line-no">338</span><span id="line-338"> this.zkcluster = zkcluster;</span> |
| <span class="source-line-no">339</span><span id="line-339"> }</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> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
