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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.io.File;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.io.IOException;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Locale;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Map;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.commons.lang3.StringUtils;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.conf.Configured;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HBaseClusterManager.CommandProvider.Operation;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.util.Pair;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.util.ReflectionUtils;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.util.RetryCounter;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.util.RetryCounter.RetryConfig;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.util.RetryCounterFactory;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.util.Shell;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.slf4j.Logger;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">037</span><span id="line-37"></span> |
| <span class="source-line-no">038</span><span id="line-38">/**</span> |
| <span class="source-line-no">039</span><span id="line-39"> * A default cluster manager for HBase. Uses SSH, and hbase shell scripts to manage the cluster.</span> |
| <span class="source-line-no">040</span><span id="line-40"> * Assumes Unix-like commands are available like 'ps', 'kill', etc. Also assumes the user running</span> |
| <span class="source-line-no">041</span><span id="line-41"> * the test has enough "power" to start & stop servers on the remote machines (for example, the test</span> |
| <span class="source-line-no">042</span><span id="line-42"> * user could be the same user as the user the daemon is running as)</span> |
| <span class="source-line-no">043</span><span id="line-43"> */</span> |
| <span class="source-line-no">044</span><span id="line-44">@InterfaceAudience.Private</span> |
| <span class="source-line-no">045</span><span id="line-45">public class HBaseClusterManager extends Configured implements ClusterManager {</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47"> protected enum Signal {</span> |
| <span class="source-line-no">048</span><span id="line-48"> SIGKILL,</span> |
| <span class="source-line-no">049</span><span id="line-49"> SIGSTOP,</span> |
| <span class="source-line-no">050</span><span id="line-50"> SIGCONT,</span> |
| <span class="source-line-no">051</span><span id="line-51"> }</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> protected static final Logger LOG = LoggerFactory.getLogger(HBaseClusterManager.class);</span> |
| <span class="source-line-no">054</span><span id="line-54"> private String sshUserName;</span> |
| <span class="source-line-no">055</span><span id="line-55"> private String sshOptions;</span> |
| <span class="source-line-no">056</span><span id="line-56"></span> |
| <span class="source-line-no">057</span><span id="line-57"> /**</span> |
| <span class="source-line-no">058</span><span id="line-58"> * The command format that is used to execute the remote command. Arguments: 1 SSH options, 2 user</span> |
| <span class="source-line-no">059</span><span id="line-59"> * name , 3 "@" if username is set, 4 host, 5 original command, 6 service user.</span> |
| <span class="source-line-no">060</span><span id="line-60"> */</span> |
| <span class="source-line-no">061</span><span id="line-61"> private static final String DEFAULT_TUNNEL_CMD =</span> |
| <span class="source-line-no">062</span><span id="line-62"> "timeout 30 /usr/bin/ssh %1$s %2$s%3$s%4$s \"sudo -u %6$s %5$s\"";</span> |
| <span class="source-line-no">063</span><span id="line-63"> private String tunnelCmd;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> /**</span> |
| <span class="source-line-no">066</span><span id="line-66"> * The command format that is used to execute the remote command with sudo. Arguments: 1 SSH</span> |
| <span class="source-line-no">067</span><span id="line-67"> * options, 2 user name , 3 "@" if username is set, 4 host, 5 original command, 6 timeout.</span> |
| <span class="source-line-no">068</span><span id="line-68"> */</span> |
| <span class="source-line-no">069</span><span id="line-69"> private static final String DEFAULT_TUNNEL_SUDO_CMD =</span> |
| <span class="source-line-no">070</span><span id="line-70"> "timeout %6$s /usr/bin/ssh %1$s %2$s%3$s%4$s \"sudo %5$s\"";</span> |
| <span class="source-line-no">071</span><span id="line-71"> private String tunnelSudoCmd;</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> static final String RETRY_ATTEMPTS_KEY = "hbase.it.clustermanager.retry.attempts";</span> |
| <span class="source-line-no">074</span><span id="line-74"> static final int DEFAULT_RETRY_ATTEMPTS = 5;</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> static final String RETRY_SLEEP_INTERVAL_KEY = "hbase.it.clustermanager.retry.sleep.interval";</span> |
| <span class="source-line-no">077</span><span id="line-77"> static final int DEFAULT_RETRY_SLEEP_INTERVAL = 1000;</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> protected RetryCounterFactory retryCounterFactory;</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> @Override</span> |
| <span class="source-line-no">082</span><span id="line-82"> public void setConf(Configuration conf) {</span> |
| <span class="source-line-no">083</span><span id="line-83"> super.setConf(conf);</span> |
| <span class="source-line-no">084</span><span id="line-84"> if (conf == null) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> // Configured gets passed null before real conf. Why? I don't know.</span> |
| <span class="source-line-no">086</span><span id="line-86"> return;</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"> sshUserName = conf.get("hbase.it.clustermanager.ssh.user", "");</span> |
| <span class="source-line-no">089</span><span id="line-89"> String extraSshOptions = conf.get("hbase.it.clustermanager.ssh.opts", "-o ConnectTimeout=10");</span> |
| <span class="source-line-no">090</span><span id="line-90"> sshOptions = System.getenv("HBASE_SSH_OPTS");</span> |
| <span class="source-line-no">091</span><span id="line-91"> if (!extraSshOptions.isEmpty()) {</span> |
| <span class="source-line-no">092</span><span id="line-92"> sshOptions = StringUtils.join(new Object[] { sshOptions, extraSshOptions }, " ");</span> |
| <span class="source-line-no">093</span><span id="line-93"> }</span> |
| <span class="source-line-no">094</span><span id="line-94"> sshOptions = (sshOptions == null) ? "" : sshOptions;</span> |
| <span class="source-line-no">095</span><span id="line-95"> sshUserName = (sshUserName == null) ? "" : sshUserName;</span> |
| <span class="source-line-no">096</span><span id="line-96"> tunnelCmd = conf.get("hbase.it.clustermanager.ssh.cmd", DEFAULT_TUNNEL_CMD);</span> |
| <span class="source-line-no">097</span><span id="line-97"> tunnelSudoCmd = conf.get("hbase.it.clustermanager.ssh.sudo.cmd", DEFAULT_TUNNEL_SUDO_CMD);</span> |
| <span class="source-line-no">098</span><span id="line-98"> // Print out ssh special config if any.</span> |
| <span class="source-line-no">099</span><span id="line-99"> if (</span> |
| <span class="source-line-no">100</span><span id="line-100"> (sshUserName != null && sshUserName.length() > 0)</span> |
| <span class="source-line-no">101</span><span id="line-101"> || (sshOptions != null && sshOptions.length() > 0)</span> |
| <span class="source-line-no">102</span><span id="line-102"> ) {</span> |
| <span class="source-line-no">103</span><span id="line-103"> LOG.info("Running with SSH user [" + sshUserName + "] and options [" + sshOptions + "]");</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"> this.retryCounterFactory = new RetryCounterFactory(</span> |
| <span class="source-line-no">107</span><span id="line-107"> new RetryConfig().setMaxAttempts(conf.getInt(RETRY_ATTEMPTS_KEY, DEFAULT_RETRY_ATTEMPTS))</span> |
| <span class="source-line-no">108</span><span id="line-108"> .setSleepInterval(conf.getLong(RETRY_SLEEP_INTERVAL_KEY, DEFAULT_RETRY_SLEEP_INTERVAL)));</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"> protected String getServiceUser(ServiceType service) {</span> |
| <span class="source-line-no">112</span><span id="line-112"> Configuration conf = getConf();</span> |
| <span class="source-line-no">113</span><span id="line-113"> switch (service) {</span> |
| <span class="source-line-no">114</span><span id="line-114"> case HADOOP_DATANODE:</span> |
| <span class="source-line-no">115</span><span id="line-115"> case HADOOP_NAMENODE:</span> |
| <span class="source-line-no">116</span><span id="line-116"> return conf.get("hbase.it.clustermanager.hadoop.hdfs.user", "hdfs");</span> |
| <span class="source-line-no">117</span><span id="line-117"> case ZOOKEEPER_SERVER:</span> |
| <span class="source-line-no">118</span><span id="line-118"> return conf.get("hbase.it.clustermanager.zookeeper.user", "zookeeper");</span> |
| <span class="source-line-no">119</span><span id="line-119"> default:</span> |
| <span class="source-line-no">120</span><span id="line-120"> return conf.get("hbase.it.clustermanager.hbase.user", "hbase");</span> |
| <span class="source-line-no">121</span><span id="line-121"> }</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"></span> |
| <span class="source-line-no">124</span><span id="line-124"> /**</span> |
| <span class="source-line-no">125</span><span id="line-125"> * Executes commands over SSH</span> |
| <span class="source-line-no">126</span><span id="line-126"> */</span> |
| <span class="source-line-no">127</span><span id="line-127"> protected class RemoteShell extends Shell.ShellCommandExecutor {</span> |
| <span class="source-line-no">128</span><span id="line-128"> private String hostname;</span> |
| <span class="source-line-no">129</span><span id="line-129"> private String user;</span> |
| <span class="source-line-no">130</span><span id="line-130"></span> |
| <span class="source-line-no">131</span><span id="line-131"> public RemoteShell(String hostname, String[] execString, File dir, Map<String, String> env,</span> |
| <span class="source-line-no">132</span><span id="line-132"> long timeout) {</span> |
| <span class="source-line-no">133</span><span id="line-133"> super(execString, dir, env, timeout);</span> |
| <span class="source-line-no">134</span><span id="line-134"> this.hostname = hostname;</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"> public RemoteShell(String hostname, String[] execString, File dir, Map<String, String> env) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> super(execString, dir, env);</span> |
| <span class="source-line-no">139</span><span id="line-139"> this.hostname = hostname;</span> |
| <span class="source-line-no">140</span><span id="line-140"> }</span> |
| <span class="source-line-no">141</span><span id="line-141"></span> |
| <span class="source-line-no">142</span><span id="line-142"> public RemoteShell(String hostname, String[] execString, File dir) {</span> |
| <span class="source-line-no">143</span><span id="line-143"> super(execString, dir);</span> |
| <span class="source-line-no">144</span><span id="line-144"> this.hostname = hostname;</span> |
| <span class="source-line-no">145</span><span id="line-145"> }</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> public RemoteShell(String hostname, String[] execString) {</span> |
| <span class="source-line-no">148</span><span id="line-148"> super(execString);</span> |
| <span class="source-line-no">149</span><span id="line-149"> this.hostname = hostname;</span> |
| <span class="source-line-no">150</span><span id="line-150"> }</span> |
| <span class="source-line-no">151</span><span id="line-151"></span> |
| <span class="source-line-no">152</span><span id="line-152"> public RemoteShell(String hostname, String user, String[] execString) {</span> |
| <span class="source-line-no">153</span><span id="line-153"> super(execString);</span> |
| <span class="source-line-no">154</span><span id="line-154"> this.hostname = hostname;</span> |
| <span class="source-line-no">155</span><span id="line-155"> this.user = user;</span> |
| <span class="source-line-no">156</span><span id="line-156"> }</span> |
| <span class="source-line-no">157</span><span id="line-157"></span> |
| <span class="source-line-no">158</span><span id="line-158"> @Override</span> |
| <span class="source-line-no">159</span><span id="line-159"> public String[] getExecString() {</span> |
| <span class="source-line-no">160</span><span id="line-160"> String at = sshUserName.isEmpty() ? "" : "@";</span> |
| <span class="source-line-no">161</span><span id="line-161"> String remoteCmd = StringUtils.join(super.getExecString(), " ");</span> |
| <span class="source-line-no">162</span><span id="line-162"> String cmd = String.format(tunnelCmd, sshOptions, sshUserName, at, hostname, remoteCmd, user);</span> |
| <span class="source-line-no">163</span><span id="line-163"> LOG.info("Executing full command [" + cmd + "]");</span> |
| <span class="source-line-no">164</span><span id="line-164"> return new String[] { "/usr/bin/env", "bash", "-c", cmd };</span> |
| <span class="source-line-no">165</span><span id="line-165"> }</span> |
| <span class="source-line-no">166</span><span id="line-166"> }</span> |
| <span class="source-line-no">167</span><span id="line-167"></span> |
| <span class="source-line-no">168</span><span id="line-168"> /**</span> |
| <span class="source-line-no">169</span><span id="line-169"> * Executes commands over SSH</span> |
| <span class="source-line-no">170</span><span id="line-170"> */</span> |
| <span class="source-line-no">171</span><span id="line-171"> protected class RemoteSudoShell extends Shell.ShellCommandExecutor {</span> |
| <span class="source-line-no">172</span><span id="line-172"> private String hostname;</span> |
| <span class="source-line-no">173</span><span id="line-173"></span> |
| <span class="source-line-no">174</span><span id="line-174"> public RemoteSudoShell(String hostname, String[] execString, long timeout) {</span> |
| <span class="source-line-no">175</span><span id="line-175"> this(hostname, execString, null, null, timeout);</span> |
| <span class="source-line-no">176</span><span id="line-176"> }</span> |
| <span class="source-line-no">177</span><span id="line-177"></span> |
| <span class="source-line-no">178</span><span id="line-178"> public RemoteSudoShell(String hostname, String[] execString, File dir, Map<String, String> env,</span> |
| <span class="source-line-no">179</span><span id="line-179"> long timeout) {</span> |
| <span class="source-line-no">180</span><span id="line-180"> super(execString, dir, env, timeout);</span> |
| <span class="source-line-no">181</span><span id="line-181"> this.hostname = hostname;</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</span> |
| <span class="source-line-no">183</span><span id="line-183"></span> |
| <span class="source-line-no">184</span><span id="line-184"> @Override</span> |
| <span class="source-line-no">185</span><span id="line-185"> public String[] getExecString() {</span> |
| <span class="source-line-no">186</span><span id="line-186"> String at = sshUserName.isEmpty() ? "" : "@";</span> |
| <span class="source-line-no">187</span><span id="line-187"> String remoteCmd = StringUtils.join(super.getExecString(), " ");</span> |
| <span class="source-line-no">188</span><span id="line-188"> String cmd = String.format(tunnelSudoCmd, sshOptions, sshUserName, at, hostname, remoteCmd,</span> |
| <span class="source-line-no">189</span><span id="line-189"> timeOutInterval / 1000f);</span> |
| <span class="source-line-no">190</span><span id="line-190"> LOG.info("Executing full command [" + cmd + "]");</span> |
| <span class="source-line-no">191</span><span id="line-191"> return new String[] { "/usr/bin/env", "bash", "-c", cmd };</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"></span> |
| <span class="source-line-no">195</span><span id="line-195"> /**</span> |
| <span class="source-line-no">196</span><span id="line-196"> * Provides command strings for services to be executed by Shell. CommandProviders are pluggable,</span> |
| <span class="source-line-no">197</span><span id="line-197"> * and different deployments(windows, bigtop, etc) can be managed by plugging-in custom</span> |
| <span class="source-line-no">198</span><span id="line-198"> * CommandProvider's or ClusterManager's.</span> |
| <span class="source-line-no">199</span><span id="line-199"> */</span> |
| <span class="source-line-no">200</span><span id="line-200"> static abstract class CommandProvider {</span> |
| <span class="source-line-no">201</span><span id="line-201"></span> |
| <span class="source-line-no">202</span><span id="line-202"> enum Operation {</span> |
| <span class="source-line-no">203</span><span id="line-203"> START,</span> |
| <span class="source-line-no">204</span><span id="line-204"> STOP,</span> |
| <span class="source-line-no">205</span><span id="line-205"> RESTART</span> |
| <span class="source-line-no">206</span><span id="line-206"> }</span> |
| <span class="source-line-no">207</span><span id="line-207"></span> |
| <span class="source-line-no">208</span><span id="line-208"> public abstract String getCommand(ServiceType service, Operation op);</span> |
| <span class="source-line-no">209</span><span id="line-209"></span> |
| <span class="source-line-no">210</span><span id="line-210"> public String isRunningCommand(ServiceType service) {</span> |
| <span class="source-line-no">211</span><span id="line-211"> return findPidCommand(service);</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"> protected String findPidCommand(ServiceType service) {</span> |
| <span class="source-line-no">215</span><span id="line-215"> return String.format("ps ux | grep proc_%s | grep -v grep | tr -s ' ' | cut -d ' ' -f2",</span> |
| <span class="source-line-no">216</span><span id="line-216"> service);</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 String signalCommand(ServiceType service, String signal) {</span> |
| <span class="source-line-no">220</span><span id="line-220"> return String.format("%s | xargs kill -s %s", findPidCommand(service), signal);</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</span> |
| <span class="source-line-no">222</span><span id="line-222"> }</span> |
| <span class="source-line-no">223</span><span id="line-223"></span> |
| <span class="source-line-no">224</span><span id="line-224"> /**</span> |
| <span class="source-line-no">225</span><span id="line-225"> * CommandProvider to manage the service using bin/hbase-* scripts</span> |
| <span class="source-line-no">226</span><span id="line-226"> */</span> |
| <span class="source-line-no">227</span><span id="line-227"> static class HBaseShellCommandProvider extends CommandProvider {</span> |
| <span class="source-line-no">228</span><span id="line-228"> private final String hbaseHome;</span> |
| <span class="source-line-no">229</span><span id="line-229"> private final String confDir;</span> |
| <span class="source-line-no">230</span><span id="line-230"></span> |
| <span class="source-line-no">231</span><span id="line-231"> HBaseShellCommandProvider(Configuration conf) {</span> |
| <span class="source-line-no">232</span><span id="line-232"> hbaseHome = conf.get("hbase.it.clustermanager.hbase.home", System.getenv("HBASE_HOME"));</span> |
| <span class="source-line-no">233</span><span id="line-233"> String tmp =</span> |
| <span class="source-line-no">234</span><span id="line-234"> conf.get("hbase.it.clustermanager.hbase.conf.dir", System.getenv("HBASE_CONF_DIR"));</span> |
| <span class="source-line-no">235</span><span id="line-235"> if (tmp != null) {</span> |
| <span class="source-line-no">236</span><span id="line-236"> confDir = String.format("--config %s", tmp);</span> |
| <span class="source-line-no">237</span><span id="line-237"> } else {</span> |
| <span class="source-line-no">238</span><span id="line-238"> confDir = "";</span> |
| <span class="source-line-no">239</span><span id="line-239"> }</span> |
| <span class="source-line-no">240</span><span id="line-240"> }</span> |
| <span class="source-line-no">241</span><span id="line-241"></span> |
| <span class="source-line-no">242</span><span id="line-242"> @Override</span> |
| <span class="source-line-no">243</span><span id="line-243"> public String getCommand(ServiceType service, Operation op) {</span> |
| <span class="source-line-no">244</span><span id="line-244"> return String.format("%s/bin/hbase-daemon.sh %s %s %s", hbaseHome, confDir,</span> |
| <span class="source-line-no">245</span><span id="line-245"> op.toString().toLowerCase(Locale.ROOT), service);</span> |
| <span class="source-line-no">246</span><span id="line-246"> }</span> |
| <span class="source-line-no">247</span><span id="line-247"> }</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"> * CommandProvider to manage the service using sbin/hadoop-* scripts.</span> |
| <span class="source-line-no">251</span><span id="line-251"> */</span> |
| <span class="source-line-no">252</span><span id="line-252"> static class HadoopShellCommandProvider extends CommandProvider {</span> |
| <span class="source-line-no">253</span><span id="line-253"> private final String hadoopHome;</span> |
| <span class="source-line-no">254</span><span id="line-254"> private final String confDir;</span> |
| <span class="source-line-no">255</span><span id="line-255"></span> |
| <span class="source-line-no">256</span><span id="line-256"> HadoopShellCommandProvider(Configuration conf) throws IOException {</span> |
| <span class="source-line-no">257</span><span id="line-257"> hadoopHome = conf.get("hbase.it.clustermanager.hadoop.home", System.getenv("HADOOP_HOME"));</span> |
| <span class="source-line-no">258</span><span id="line-258"> String tmp =</span> |
| <span class="source-line-no">259</span><span id="line-259"> conf.get("hbase.it.clustermanager.hadoop.conf.dir", System.getenv("HADOOP_CONF_DIR"));</span> |
| <span class="source-line-no">260</span><span id="line-260"> if (hadoopHome == null) {</span> |
| <span class="source-line-no">261</span><span id="line-261"> throw new IOException("Hadoop home configuration parameter i.e. "</span> |
| <span class="source-line-no">262</span><span id="line-262"> + "'hbase.it.clustermanager.hadoop.home' is not configured properly.");</span> |
| <span class="source-line-no">263</span><span id="line-263"> }</span> |
| <span class="source-line-no">264</span><span id="line-264"> if (tmp != null) {</span> |
| <span class="source-line-no">265</span><span id="line-265"> confDir = String.format("--config %s", tmp);</span> |
| <span class="source-line-no">266</span><span id="line-266"> } else {</span> |
| <span class="source-line-no">267</span><span id="line-267"> confDir = "";</span> |
| <span class="source-line-no">268</span><span id="line-268"> }</span> |
| <span class="source-line-no">269</span><span id="line-269"> }</span> |
| <span class="source-line-no">270</span><span id="line-270"></span> |
| <span class="source-line-no">271</span><span id="line-271"> @Override</span> |
| <span class="source-line-no">272</span><span id="line-272"> public String getCommand(ServiceType service, Operation op) {</span> |
| <span class="source-line-no">273</span><span id="line-273"> return String.format("%s/sbin/hadoop-daemon.sh %s %s %s", hadoopHome, confDir,</span> |
| <span class="source-line-no">274</span><span id="line-274"> op.toString().toLowerCase(Locale.ROOT), service);</span> |
| <span class="source-line-no">275</span><span id="line-275"> }</span> |
| <span class="source-line-no">276</span><span id="line-276"> }</span> |
| <span class="source-line-no">277</span><span id="line-277"></span> |
| <span class="source-line-no">278</span><span id="line-278"> /**</span> |
| <span class="source-line-no">279</span><span id="line-279"> * CommandProvider to manage the service using bin/zk* scripts.</span> |
| <span class="source-line-no">280</span><span id="line-280"> */</span> |
| <span class="source-line-no">281</span><span id="line-281"> static class ZookeeperShellCommandProvider extends CommandProvider {</span> |
| <span class="source-line-no">282</span><span id="line-282"> private final String zookeeperHome;</span> |
| <span class="source-line-no">283</span><span id="line-283"></span> |
| <span class="source-line-no">284</span><span id="line-284"> ZookeeperShellCommandProvider(Configuration conf) throws IOException {</span> |
| <span class="source-line-no">285</span><span id="line-285"> zookeeperHome =</span> |
| <span class="source-line-no">286</span><span id="line-286"> conf.get("hbase.it.clustermanager.zookeeper.home", System.getenv("ZOOBINDIR"));</span> |
| <span class="source-line-no">287</span><span id="line-287"> if (zookeeperHome == null) {</span> |
| <span class="source-line-no">288</span><span id="line-288"> throw new IOException("ZooKeeper home configuration parameter i.e. "</span> |
| <span class="source-line-no">289</span><span id="line-289"> + "'hbase.it.clustermanager.zookeeper.home' is not configured properly.");</span> |
| <span class="source-line-no">290</span><span id="line-290"> }</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"> @Override</span> |
| <span class="source-line-no">294</span><span id="line-294"> public String getCommand(ServiceType service, Operation op) {</span> |
| <span class="source-line-no">295</span><span id="line-295"> return String.format("%s/bin/zkServer.sh %s", zookeeperHome,</span> |
| <span class="source-line-no">296</span><span id="line-296"> op.toString().toLowerCase(Locale.ROOT));</span> |
| <span class="source-line-no">297</span><span id="line-297"> }</span> |
| <span class="source-line-no">298</span><span id="line-298"></span> |
| <span class="source-line-no">299</span><span id="line-299"> @Override</span> |
| <span class="source-line-no">300</span><span id="line-300"> protected String findPidCommand(ServiceType service) {</span> |
| <span class="source-line-no">301</span><span id="line-301"> return String.format("ps ux | grep %s | grep -v grep | tr -s ' ' | cut -d ' ' -f2", service);</span> |
| <span class="source-line-no">302</span><span id="line-302"> }</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"> public HBaseClusterManager() {</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"> protected CommandProvider getCommandProvider(ServiceType service) throws IOException {</span> |
| <span class="source-line-no">309</span><span id="line-309"> switch (service) {</span> |
| <span class="source-line-no">310</span><span id="line-310"> case HADOOP_DATANODE:</span> |
| <span class="source-line-no">311</span><span id="line-311"> case HADOOP_NAMENODE:</span> |
| <span class="source-line-no">312</span><span id="line-312"> return new HadoopShellCommandProvider(getConf());</span> |
| <span class="source-line-no">313</span><span id="line-313"> case ZOOKEEPER_SERVER:</span> |
| <span class="source-line-no">314</span><span id="line-314"> return new ZookeeperShellCommandProvider(getConf());</span> |
| <span class="source-line-no">315</span><span id="line-315"> default:</span> |
| <span class="source-line-no">316</span><span id="line-316"> Class<? extends CommandProvider> provider =</span> |
| <span class="source-line-no">317</span><span id="line-317"> getConf().getClass("hbase.it.clustermanager.hbase.command.provider",</span> |
| <span class="source-line-no">318</span><span id="line-318"> HBaseShellCommandProvider.class, CommandProvider.class);</span> |
| <span class="source-line-no">319</span><span id="line-319"> return ReflectionUtils.newInstance(provider, getConf());</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"></span> |
| <span class="source-line-no">323</span><span id="line-323"> /**</span> |
| <span class="source-line-no">324</span><span id="line-324"> * Execute the given command on the host using SSH</span> |
| <span class="source-line-no">325</span><span id="line-325"> * @return pair of exit code and command output</span> |
| <span class="source-line-no">326</span><span id="line-326"> * @throws IOException if something goes wrong.</span> |
| <span class="source-line-no">327</span><span id="line-327"> */</span> |
| <span class="source-line-no">328</span><span id="line-328"> protected Pair<Integer, String> exec(String hostname, ServiceType service, String... cmd)</span> |
| <span class="source-line-no">329</span><span id="line-329"> throws IOException {</span> |
| <span class="source-line-no">330</span><span id="line-330"> LOG.info("Executing remote command: {}, hostname:{}", StringUtils.join(cmd, " "), hostname);</span> |
| <span class="source-line-no">331</span><span id="line-331"></span> |
| <span class="source-line-no">332</span><span id="line-332"> RemoteShell shell = new RemoteShell(hostname, getServiceUser(service), cmd);</span> |
| <span class="source-line-no">333</span><span id="line-333"> try {</span> |
| <span class="source-line-no">334</span><span id="line-334"> shell.execute();</span> |
| <span class="source-line-no">335</span><span id="line-335"> } catch (Shell.ExitCodeException ex) {</span> |
| <span class="source-line-no">336</span><span id="line-336"> // capture the stdout of the process as well.</span> |
| <span class="source-line-no">337</span><span id="line-337"> String output = shell.getOutput();</span> |
| <span class="source-line-no">338</span><span id="line-338"> // add output for the ExitCodeException.</span> |
| <span class="source-line-no">339</span><span id="line-339"> throw new Shell.ExitCodeException(ex.getExitCode(),</span> |
| <span class="source-line-no">340</span><span id="line-340"> "stderr: " + ex.getMessage() + ", stdout: " + output);</span> |
| <span class="source-line-no">341</span><span id="line-341"> }</span> |
| <span class="source-line-no">342</span><span id="line-342"></span> |
| <span class="source-line-no">343</span><span id="line-343"> LOG.info("Executed remote command, exit code:{} , output:{}", shell.getExitCode(),</span> |
| <span class="source-line-no">344</span><span id="line-344"> shell.getOutput());</span> |
| <span class="source-line-no">345</span><span id="line-345"></span> |
| <span class="source-line-no">346</span><span id="line-346"> return new Pair<>(shell.getExitCode(), shell.getOutput());</span> |
| <span class="source-line-no">347</span><span id="line-347"> }</span> |
| <span class="source-line-no">348</span><span id="line-348"></span> |
| <span class="source-line-no">349</span><span id="line-349"> private Pair<Integer, String> execWithRetries(String hostname, ServiceType service, String... cmd)</span> |
| <span class="source-line-no">350</span><span id="line-350"> throws IOException {</span> |
| <span class="source-line-no">351</span><span id="line-351"> RetryCounter retryCounter = retryCounterFactory.create();</span> |
| <span class="source-line-no">352</span><span id="line-352"> while (true) {</span> |
| <span class="source-line-no">353</span><span id="line-353"> try {</span> |
| <span class="source-line-no">354</span><span id="line-354"> return exec(hostname, service, cmd);</span> |
| <span class="source-line-no">355</span><span id="line-355"> } catch (IOException e) {</span> |
| <span class="source-line-no">356</span><span id="line-356"> retryOrThrow(retryCounter, e, hostname, cmd);</span> |
| <span class="source-line-no">357</span><span id="line-357"> }</span> |
| <span class="source-line-no">358</span><span id="line-358"> try {</span> |
| <span class="source-line-no">359</span><span id="line-359"> retryCounter.sleepUntilNextRetry();</span> |
| <span class="source-line-no">360</span><span id="line-360"> } catch (InterruptedException ex) {</span> |
| <span class="source-line-no">361</span><span id="line-361"> // ignore</span> |
| <span class="source-line-no">362</span><span id="line-362"> LOG.warn("Sleep Interrupted:", ex);</span> |
| <span class="source-line-no">363</span><span id="line-363"> }</span> |
| <span class="source-line-no">364</span><span id="line-364"> }</span> |
| <span class="source-line-no">365</span><span id="line-365"> }</span> |
| <span class="source-line-no">366</span><span id="line-366"></span> |
| <span class="source-line-no">367</span><span id="line-367"> /**</span> |
| <span class="source-line-no">368</span><span id="line-368"> * Execute the given command on the host using SSH</span> |
| <span class="source-line-no">369</span><span id="line-369"> * @return pair of exit code and command output</span> |
| <span class="source-line-no">370</span><span id="line-370"> * @throws IOException if something goes wrong.</span> |
| <span class="source-line-no">371</span><span id="line-371"> */</span> |
| <span class="source-line-no">372</span><span id="line-372"> public Pair<Integer, String> execSudo(String hostname, long timeout, String... cmd)</span> |
| <span class="source-line-no">373</span><span id="line-373"> throws IOException {</span> |
| <span class="source-line-no">374</span><span id="line-374"> LOG.info("Executing remote command: {} , hostname:{}", StringUtils.join(cmd, " "), hostname);</span> |
| <span class="source-line-no">375</span><span id="line-375"></span> |
| <span class="source-line-no">376</span><span id="line-376"> RemoteSudoShell shell = new RemoteSudoShell(hostname, cmd, timeout);</span> |
| <span class="source-line-no">377</span><span id="line-377"> try {</span> |
| <span class="source-line-no">378</span><span id="line-378"> shell.execute();</span> |
| <span class="source-line-no">379</span><span id="line-379"> } catch (Shell.ExitCodeException ex) {</span> |
| <span class="source-line-no">380</span><span id="line-380"> // capture the stdout of the process as well.</span> |
| <span class="source-line-no">381</span><span id="line-381"> String output = shell.getOutput();</span> |
| <span class="source-line-no">382</span><span id="line-382"> // add output for the ExitCodeException.</span> |
| <span class="source-line-no">383</span><span id="line-383"> throw new Shell.ExitCodeException(ex.getExitCode(),</span> |
| <span class="source-line-no">384</span><span id="line-384"> "stderr: " + ex.getMessage() + ", stdout: " + output);</span> |
| <span class="source-line-no">385</span><span id="line-385"> }</span> |
| <span class="source-line-no">386</span><span id="line-386"></span> |
| <span class="source-line-no">387</span><span id="line-387"> LOG.info("Executed remote command, exit code:{} , output:{}", shell.getExitCode(),</span> |
| <span class="source-line-no">388</span><span id="line-388"> shell.getOutput());</span> |
| <span class="source-line-no">389</span><span id="line-389"></span> |
| <span class="source-line-no">390</span><span id="line-390"> return new Pair<>(shell.getExitCode(), shell.getOutput());</span> |
| <span class="source-line-no">391</span><span id="line-391"> }</span> |
| <span class="source-line-no">392</span><span id="line-392"></span> |
| <span class="source-line-no">393</span><span id="line-393"> public Pair<Integer, String> execSudoWithRetries(String hostname, long timeout, String... cmd)</span> |
| <span class="source-line-no">394</span><span id="line-394"> throws IOException {</span> |
| <span class="source-line-no">395</span><span id="line-395"> RetryCounter retryCounter = retryCounterFactory.create();</span> |
| <span class="source-line-no">396</span><span id="line-396"> while (true) {</span> |
| <span class="source-line-no">397</span><span id="line-397"> try {</span> |
| <span class="source-line-no">398</span><span id="line-398"> return execSudo(hostname, timeout, cmd);</span> |
| <span class="source-line-no">399</span><span id="line-399"> } catch (IOException e) {</span> |
| <span class="source-line-no">400</span><span id="line-400"> retryOrThrow(retryCounter, e, hostname, cmd);</span> |
| <span class="source-line-no">401</span><span id="line-401"> }</span> |
| <span class="source-line-no">402</span><span id="line-402"> try {</span> |
| <span class="source-line-no">403</span><span id="line-403"> retryCounter.sleepUntilNextRetry();</span> |
| <span class="source-line-no">404</span><span id="line-404"> } catch (InterruptedException ex) {</span> |
| <span class="source-line-no">405</span><span id="line-405"> // ignore</span> |
| <span class="source-line-no">406</span><span id="line-406"> LOG.warn("Sleep Interrupted:", ex);</span> |
| <span class="source-line-no">407</span><span id="line-407"> }</span> |
| <span class="source-line-no">408</span><span id="line-408"> }</span> |
| <span class="source-line-no">409</span><span id="line-409"> }</span> |
| <span class="source-line-no">410</span><span id="line-410"></span> |
| <span class="source-line-no">411</span><span id="line-411"> private <E extends Exception> void retryOrThrow(RetryCounter retryCounter, E ex, String hostname,</span> |
| <span class="source-line-no">412</span><span id="line-412"> String[] cmd) throws E {</span> |
| <span class="source-line-no">413</span><span id="line-413"> if (retryCounter.shouldRetry()) {</span> |
| <span class="source-line-no">414</span><span id="line-414"> LOG.warn("Remote command: " + StringUtils.join(cmd, " ") + " , hostname:" + hostname</span> |
| <span class="source-line-no">415</span><span id="line-415"> + " failed at attempt " + retryCounter.getAttemptTimes() + ". Retrying until maxAttempts: "</span> |
| <span class="source-line-no">416</span><span id="line-416"> + retryCounter.getMaxAttempts() + ". Exception: " + ex.getMessage());</span> |
| <span class="source-line-no">417</span><span id="line-417"> return;</span> |
| <span class="source-line-no">418</span><span id="line-418"> }</span> |
| <span class="source-line-no">419</span><span id="line-419"> throw ex;</span> |
| <span class="source-line-no">420</span><span id="line-420"> }</span> |
| <span class="source-line-no">421</span><span id="line-421"></span> |
| <span class="source-line-no">422</span><span id="line-422"> private void exec(String hostname, ServiceType service, Operation op) throws IOException {</span> |
| <span class="source-line-no">423</span><span id="line-423"> execWithRetries(hostname, service, getCommandProvider(service).getCommand(service, op));</span> |
| <span class="source-line-no">424</span><span id="line-424"> }</span> |
| <span class="source-line-no">425</span><span id="line-425"></span> |
| <span class="source-line-no">426</span><span id="line-426"> @Override</span> |
| <span class="source-line-no">427</span><span id="line-427"> public void start(ServiceType service, String hostname, int port) throws IOException {</span> |
| <span class="source-line-no">428</span><span id="line-428"> exec(hostname, service, Operation.START);</span> |
| <span class="source-line-no">429</span><span id="line-429"> }</span> |
| <span class="source-line-no">430</span><span id="line-430"></span> |
| <span class="source-line-no">431</span><span id="line-431"> @Override</span> |
| <span class="source-line-no">432</span><span id="line-432"> public void stop(ServiceType service, String hostname, int port) throws IOException {</span> |
| <span class="source-line-no">433</span><span id="line-433"> exec(hostname, service, Operation.STOP);</span> |
| <span class="source-line-no">434</span><span id="line-434"> }</span> |
| <span class="source-line-no">435</span><span id="line-435"></span> |
| <span class="source-line-no">436</span><span id="line-436"> @Override</span> |
| <span class="source-line-no">437</span><span id="line-437"> public void restart(ServiceType service, String hostname, int port) throws IOException {</span> |
| <span class="source-line-no">438</span><span id="line-438"> exec(hostname, service, Operation.RESTART);</span> |
| <span class="source-line-no">439</span><span id="line-439"> }</span> |
| <span class="source-line-no">440</span><span id="line-440"></span> |
| <span class="source-line-no">441</span><span id="line-441"> public void signal(ServiceType service, Signal signal, String hostname) throws IOException {</span> |
| <span class="source-line-no">442</span><span id="line-442"> execWithRetries(hostname, service,</span> |
| <span class="source-line-no">443</span><span id="line-443"> getCommandProvider(service).signalCommand(service, signal.toString()));</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> |
| <span class="source-line-no">446</span><span id="line-446"> @Override</span> |
| <span class="source-line-no">447</span><span id="line-447"> public boolean isRunning(ServiceType service, String hostname, int port) throws IOException {</span> |
| <span class="source-line-no">448</span><span id="line-448"> String ret =</span> |
| <span class="source-line-no">449</span><span id="line-449"> execWithRetries(hostname, service, getCommandProvider(service).isRunningCommand(service))</span> |
| <span class="source-line-no">450</span><span id="line-450"> .getSecond();</span> |
| <span class="source-line-no">451</span><span id="line-451"> return ret.length() > 0;</span> |
| <span class="source-line-no">452</span><span id="line-452"> }</span> |
| <span class="source-line-no">453</span><span id="line-453"></span> |
| <span class="source-line-no">454</span><span id="line-454"> @Override</span> |
| <span class="source-line-no">455</span><span id="line-455"> public void kill(ServiceType service, String hostname, int port) throws IOException {</span> |
| <span class="source-line-no">456</span><span id="line-456"> signal(service, Signal.SIGKILL, hostname);</span> |
| <span class="source-line-no">457</span><span id="line-457"> }</span> |
| <span class="source-line-no">458</span><span id="line-458"></span> |
| <span class="source-line-no">459</span><span id="line-459"> @Override</span> |
| <span class="source-line-no">460</span><span id="line-460"> public void suspend(ServiceType service, String hostname, int port) throws IOException {</span> |
| <span class="source-line-no">461</span><span id="line-461"> signal(service, Signal.SIGSTOP, hostname);</span> |
| <span class="source-line-no">462</span><span id="line-462"> }</span> |
| <span class="source-line-no">463</span><span id="line-463"></span> |
| <span class="source-line-no">464</span><span id="line-464"> @Override</span> |
| <span class="source-line-no">465</span><span id="line-465"> public void resume(ServiceType service, String hostname, int port) throws IOException {</span> |
| <span class="source-line-no">466</span><span id="line-466"> signal(service, Signal.SIGCONT, hostname);</span> |
| <span class="source-line-no">467</span><span id="line-467"> }</span> |
| <span class="source-line-no">468</span><span id="line-468">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
