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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> *<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> *<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.master;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.File;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.conf.Configuration;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HConstants;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.LocalHBaseCluster;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.MasterNotRunningException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ZNodeClearer;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.ZooKeeperConnectionException;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.trace.TraceUtil;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.ServerCommandLine;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.zookeeper.KeeperException;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.slf4j.Logger;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.GnuParser;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.Options;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.ParseException;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span>@InterfaceAudience.Private<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>public class HMasterCommandLine extends ServerCommandLine {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private static final Logger LOG = LoggerFactory.getLogger(HMasterCommandLine.class);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> private static final String USAGE =<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> "Usage: Master [opts] start|stop|clear\n" +<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> " start Start Master. If local mode, start Master and RegionServer in same JVM\n" +<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> " stop Start cluster shutdown; Master signals RegionServer shutdown\n" +<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> " clear Delete the master znode in ZooKeeper after a master crashes\n "+<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> " where [opts] are:\n" +<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> " --minRegionServers=<servers> Minimum RegionServers needed to host user tables.\n" +<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> " --localRegionServers=<servers> " +<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> "RegionServers to start in master process when in standalone mode.\n" +<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> " --masters=<servers> Masters to start in this process.\n" +<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> " --backup Master should start in backup mode";<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private final Class<? extends HMaster> masterClass;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> public HMasterCommandLine(Class<? extends HMaster> masterClass) {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> this.masterClass = masterClass;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> }<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> @Override<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> protected String getUsage() {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> return USAGE;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> }<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> @Override<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> public int run(String args[]) throws Exception {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> Options opt = new Options();<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> opt.addOption("localRegionServers", true,<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> "RegionServers to start in master process when running standalone");<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> opt.addOption("masters", true, "Masters to start in this process");<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> opt.addOption("minRegionServers", true, "Minimum RegionServers needed to host user tables");<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> opt.addOption("backup", false, "Do not try to become HMaster until the primary fails");<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> CommandLine cmd;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> try {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> cmd = new GnuParser().parse(opt, args);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> } catch (ParseException e) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> LOG.error("Could not parse: ", e);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> usage(null);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> return 1;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span> if (cmd.hasOption("minRegionServers")) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> String val = cmd.getOptionValue("minRegionServers");<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> getConf().setInt("hbase.regions.server.count.min",<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> Integer.parseInt(val));<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> LOG.debug("minRegionServers set to " + val);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> // minRegionServers used to be minServers. Support it too.<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> if (cmd.hasOption("minServers")) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> String val = cmd.getOptionValue("minServers");<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> getConf().setInt("hbase.regions.server.count.min", Integer.parseInt(val));<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> LOG.debug("minServers set to " + val);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> // check if we are the backup master - override the conf if so<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> if (cmd.hasOption("backup")) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> getConf().setBoolean(HConstants.MASTER_TYPE_BACKUP, true);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> // How many regionservers to startup in this process (we run regionservers in same process as<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> // master when we are in local/standalone mode. Useful testing)<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> if (cmd.hasOption("localRegionServers")) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> String val = cmd.getOptionValue("localRegionServers");<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> getConf().setInt("hbase.regionservers", Integer.parseInt(val));<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> LOG.debug("localRegionServers set to " + val);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> // How many masters to startup inside this process; useful testing<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> if (cmd.hasOption("masters")) {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> String val = cmd.getOptionValue("masters");<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> getConf().setInt("hbase.masters", Integer.parseInt(val));<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> LOG.debug("masters set to " + val);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> @SuppressWarnings("unchecked")<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> List<String> remainingArgs = cmd.getArgList();<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> if (remainingArgs.size() != 1) {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> usage(null);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> return 1;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> }<a name="line.135"></a> |
| <span class="sourceLineNo">136</span><a name="line.136"></a> |
| <span class="sourceLineNo">137</span> String command = remainingArgs.get(0);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> if ("start".equals(command)) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> return startMaster();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> } else if ("stop".equals(command)) {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> return stopMaster();<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> } else if ("clear".equals(command)) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> return (ZNodeClearer.clear(getConf()) ? 0 : 1);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> } else {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> usage("Invalid command: " + command);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> return 1;<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> }<a name="line.149"></a> |
| <span class="sourceLineNo">150</span><a name="line.150"></a> |
| <span class="sourceLineNo">151</span> private int startMaster() {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> Configuration conf = getConf();<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> TraceUtil.initTracer(conf);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span><a name="line.154"></a> |
| <span class="sourceLineNo">155</span> try {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> // If 'local', defer to LocalHBaseCluster instance. Starts master<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> // and regionserver both in the one JVM.<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> if (LocalHBaseCluster.isLocal(conf)) {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> DefaultMetricsSystem.setMiniClusterMode(true);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> final MiniZooKeeperCluster zooKeeperCluster = new MiniZooKeeperCluster(conf);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> File zkDataPath = new File(conf.get(HConstants.ZOOKEEPER_DATA_DIR));<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> // find out the default client port<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> int zkClientPort = 0;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> // If the zookeeper client port is specified in server quorum, use it.<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> String zkserver = conf.get(HConstants.ZOOKEEPER_QUORUM);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> if (zkserver != null) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> String[] zkservers = zkserver.split(",");<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> if (zkservers.length > 1) {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> // In local mode deployment, we have the master + a region server and zookeeper server<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> // started in the same process. Therefore, we only support one zookeeper server.<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> String errorMsg = "Could not start ZK with " + zkservers.length +<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> " ZK servers in local mode deployment. Aborting as clients (e.g. shell) will not "<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> + "be able to find this ZK quorum.";<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> System.err.println(errorMsg);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> throw new IOException(errorMsg);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span><a name="line.180"></a> |
| <span class="sourceLineNo">181</span> String[] parts = zkservers[0].split(":");<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> if (parts.length == 2) {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> // the second part is the client port<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> zkClientPort = Integer.parseInt(parts [1]);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> }<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // If the client port could not be find in server quorum conf, try another conf<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> if (zkClientPort == 0) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> zkClientPort = conf.getInt(HConstants.ZOOKEEPER_CLIENT_PORT, 0);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // The client port has to be set by now; if not, throw exception.<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> if (zkClientPort == 0) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> throw new IOException("No config value for " + HConstants.ZOOKEEPER_CLIENT_PORT);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> }<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> zooKeeperCluster.setDefaultClientPort(zkClientPort);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> // set the ZK tick time if specified<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> int zkTickTime = conf.getInt(HConstants.ZOOKEEPER_TICK_TIME, 0);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> if (zkTickTime > 0) {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> zooKeeperCluster.setTickTime(zkTickTime);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> }<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> // login the zookeeper server principal (if using security)<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> ZKUtil.loginServer(conf, HConstants.ZK_SERVER_KEYTAB_FILE,<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> HConstants.ZK_SERVER_KERBEROS_PRINCIPAL, null);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> int localZKClusterSessionTimeout =<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> conf.getInt(HConstants.ZK_SESSION_TIMEOUT + ".localHBaseCluster", 10*1000);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> conf.setInt(HConstants.ZK_SESSION_TIMEOUT, localZKClusterSessionTimeout);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> LOG.info("Starting a zookeeper cluster");<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> int clientPort = zooKeeperCluster.startup(zkDataPath);<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> if (clientPort != zkClientPort) {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> String errorMsg = "Could not start ZK at requested port of " +<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> zkClientPort + ". ZK was started at port: " + clientPort +<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> ". Aborting as clients (e.g. shell) will not be able to find " +<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> "this ZK quorum.";<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> System.err.println(errorMsg);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> throw new IOException(errorMsg);<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> }<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> conf.set(HConstants.ZOOKEEPER_CLIENT_PORT, Integer.toString(clientPort));<a name="line.219"></a> |
| <span class="sourceLineNo">220</span><a name="line.220"></a> |
| <span class="sourceLineNo">221</span> // Need to have the zk cluster shutdown when master is shutdown.<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> // Run a subclass that does the zk cluster shutdown on its way out.<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> int mastersCount = conf.getInt("hbase.masters", 1);<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> int regionServersCount = conf.getInt("hbase.regionservers", 1);<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> // Set start timeout to 5 minutes for cmd line start operations<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> conf.setIfUnset("hbase.master.start.timeout.localHBaseCluster", "300000");<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> LOG.info("Starting up instance of localHBaseCluster; master=" + mastersCount +<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> ", regionserversCount=" + regionServersCount);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> LocalHBaseCluster cluster = new LocalHBaseCluster(conf, mastersCount, regionServersCount,<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> LocalHMaster.class, HRegionServer.class);<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> ((LocalHMaster)cluster.getMaster(0)).setZKCluster(zooKeeperCluster);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> cluster.startup();<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> waitOnMasterThreads(cluster);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> } else {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> logProcessInfo(getConf());<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> HMaster master = HMaster.constructMaster(masterClass, conf);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> if (master.isStopped()) {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> LOG.info("Won't bring the Master up as a shutdown is requested");<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> return 1;<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> master.start();<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> master.join();<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> if(master.isAborted())<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> throw new RuntimeException("HMaster Aborted");<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> } catch (Throwable t) {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> LOG.error("Master exiting", t);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> return 1;<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> }<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> return 0;<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span><a name="line.252"></a> |
| <span class="sourceLineNo">253</span> @SuppressWarnings("resource")<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> private int stopMaster() {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> Configuration conf = getConf();<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> // Don't try more than once<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 0);<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> try (Connection connection = ConnectionFactory.createConnection(conf)) {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> try (Admin admin = connection.getAdmin()) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> admin.shutdown();<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> } catch (Throwable t) {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> LOG.error("Failed to stop master", t);<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> return 1;<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> }<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> } catch (MasterNotRunningException e) {<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> LOG.error("Master not running");<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> return 1;<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> } catch (ZooKeeperConnectionException e) {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> LOG.error("ZooKeeper not available");<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> return 1;<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> } catch (IOException e) {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> LOG.error("Got IOException: " +e.getMessage(), e);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> return 1;<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> return 0;<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> }<a name="line.276"></a> |
| <span class="sourceLineNo">277</span><a name="line.277"></a> |
| <span class="sourceLineNo">278</span> private void waitOnMasterThreads(LocalHBaseCluster cluster) throws InterruptedException{<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> List<JVMClusterUtil.MasterThread> masters = cluster.getMasters();<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> List<JVMClusterUtil.RegionServerThread> regionservers = cluster.getRegionServers();<a name="line.280"></a> |
| <span class="sourceLineNo">281</span><a name="line.281"></a> |
| <span class="sourceLineNo">282</span> if (masters != null) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> for (JVMClusterUtil.MasterThread t : masters) {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> t.join();<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> if(t.getMaster().isAborted()) {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> closeAllRegionServerThreads(regionservers);<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> throw new RuntimeException("HMaster Aborted");<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> }<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> }<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span><a name="line.292"></a> |
| <span class="sourceLineNo">293</span> private static void closeAllRegionServerThreads(<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> List<JVMClusterUtil.RegionServerThread> regionservers) {<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> for(JVMClusterUtil.RegionServerThread t : regionservers){<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> t.getRegionServer().stop("HMaster Aborted; Bringing down regions servers");<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> }<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> }<a name="line.298"></a> |
| <span class="sourceLineNo">299</span><a name="line.299"></a> |
| <span class="sourceLineNo">300</span> /*<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> * Version of master that will shutdown the passed zk cluster on its way out.<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> */<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> public static class LocalHMaster extends HMaster {<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> private MiniZooKeeperCluster zkcluster = null;<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> public LocalHMaster(Configuration conf)<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> throws IOException, KeeperException, InterruptedException {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> super(conf);<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> }<a name="line.309"></a> |
| <span class="sourceLineNo">310</span><a name="line.310"></a> |
| <span class="sourceLineNo">311</span> @Override<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> public void run() {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> super.run();<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> if (this.zkcluster != null) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> try {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> this.zkcluster.shutdown();<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> } catch (IOException e) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> LOG.error("Failed to shutdown MiniZooKeeperCluster", e);<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> }<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> void setZKCluster(final MiniZooKeeperCluster zkcluster) {<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> this.zkcluster = zkcluster;<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> }<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> }<a name="line.326"></a> |
| <span class="sourceLineNo">327</span>}<a name="line.327"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
