| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <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.FileNotFoundException;<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 org.apache.hadoop.conf.Configuration;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.fs.FileStatus;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.fs.FileSystem;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.fs.Path;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.fs.permission.FsAction;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.fs.permission.FsPermission;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ClusterId;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HConstants;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.backup.HFileArchiver;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.fs.HFileSystem;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.log.HBaseMarkers;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.mob.MobConstants;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.replication.ReplicationUtils;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.security.access.SnapshotScannerHDFSAclHelper;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.yetus.audience.InterfaceAudience;<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>/**<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * This class abstracts a bunch of operations the HMaster needs to interact with<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * the underlying file system like creating the initial layout, checking file<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * system status, etc.<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 MasterFileSystem {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private static final Logger LOG = LoggerFactory.getLogger(MasterFileSystem.class);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> /** Parameter name for HBase instance root directory permission*/<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> public static final String HBASE_DIR_PERMS = "hbase.rootdir.perms";<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> /** Parameter name for HBase WAL directory permission*/<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> public static final String HBASE_WAL_DIR_PERMS = "hbase.wal.dir.perms";<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> // HBase configuration<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private final Configuration conf;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> // Persisted unique cluster ID<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private ClusterId clusterId;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> // Keep around for convenience.<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private final FileSystem fs;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> // Keep around for convenience.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private final FileSystem walFs;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> // root log directory on the FS<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private final Path rootdir;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> // hbase temp directory used for table construction and deletion<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private final Path tempdir;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> // root hbase directory on the FS<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private final Path walRootDir;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><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> * In a secure env, the protected sub-directories and files under the HBase rootDir<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * would be restricted. The sub-directory will have '700' except the bulk load staging dir,<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> * which will have '711'. The default '700' can be overwritten by setting the property<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> * 'hbase.rootdir.perms'. The protected files (version file, clusterId file) will have '600'.<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> * The rootDir itself will be created with HDFS default permissions if it does not exist.<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * We will check the rootDir permissions to make sure it has 'x' for all to ensure access<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * to the staging dir. If it does not, we will add it.<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> */<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> // Permissions for the directories under rootDir that need protection<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> private final FsPermission secureRootSubDirPerms;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> // Permissions for the files under rootDir that need protection<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> private final FsPermission secureRootFilePerms = new FsPermission("600");<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> // Permissions for bulk load staging directory under rootDir<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> private final FsPermission HiddenDirPerms = FsPermission.valueOf("-rwx--x--x");<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> private boolean isSecurityEnabled;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> public MasterFileSystem(Configuration conf) throws IOException {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> this.conf = conf;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> // Set filesystem to be that of this.rootdir else we get complaints about<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> // mismatched filesystems if hbase.rootdir is hdfs and fs.defaultFS is<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> // default localfs. Presumption is that rootdir is fully-qualified before<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> // we get to here with appropriate fs scheme.<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> this.rootdir = CommonFSUtils.getRootDir(conf);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> this.tempdir = new Path(this.rootdir, HConstants.HBASE_TEMP_DIRECTORY);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> // Cover both bases, the old way of setting default fs and the new.<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> // We're supposed to run on 0.20 and 0.21 anyways.<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> this.fs = this.rootdir.getFileSystem(conf);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> this.walRootDir = CommonFSUtils.getWALRootDir(conf);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> this.walFs = CommonFSUtils.getWALFileSystem(conf);<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> CommonFSUtils.setFsDefault(conf, new Path(this.walFs.getUri()));<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> walFs.setConf(conf);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> CommonFSUtils.setFsDefault(conf, new Path(this.fs.getUri()));<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> // make sure the fs has the same conf<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> fs.setConf(conf);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> this.secureRootSubDirPerms = new FsPermission(conf.get("hbase.rootdir.perms", "700"));<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> this.isSecurityEnabled = "kerberos".equalsIgnoreCase(conf.get("hbase.security.authentication"));<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> // setup the filesystem variable<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> createInitialFileSystemLayout();<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> HFileSystem.addLocationsOrderInterceptor(conf);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> /**<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> * Create initial layout in filesystem.<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> * <ol><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * <li>Check if the meta region exists and is readable, if not create it.<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * Create hbase.version and the hbase:meta directory if not one.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * </li><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * </ol><a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * Idempotent.<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> */<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> private void createInitialFileSystemLayout() throws IOException {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> final String[] protectedSubDirs = new String[] {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> HConstants.BASE_NAMESPACE_DIR,<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> HConstants.HFILE_ARCHIVE_DIRECTORY,<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> HConstants.HBCK_SIDELINEDIR_NAME,<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> MobConstants.MOB_DIR_NAME<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> //With the introduction of RegionProcedureStore,<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> // there's no need to create MasterProcWAL dir here anymore. See HBASE-23715<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> final String[] protectedSubLogDirs = new String[] {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> HConstants.HREGION_LOGDIR_NAME,<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> HConstants.HREGION_OLDLOGDIR_NAME,<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> HConstants.CORRUPT_DIR_NAME,<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> ReplicationUtils.REMOTE_WAL_DIR_NAME<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> };<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> // check if the root directory exists<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> checkRootDir(this.rootdir, conf, this.fs);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> // Check the directories under rootdir.<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> checkTempDir(this.tempdir, conf, this.fs);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> for (String subDir : protectedSubDirs) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> checkSubDir(new Path(this.rootdir, subDir), HBASE_DIR_PERMS);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> }<a name="line.152"></a> |
| <span class="sourceLineNo">153</span><a name="line.153"></a> |
| <span class="sourceLineNo">154</span> final String perms;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> if (!this.walRootDir.equals(this.rootdir)) {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> perms = HBASE_WAL_DIR_PERMS;<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> } else {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> perms = HBASE_DIR_PERMS;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> for (String subDir : protectedSubLogDirs) {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> checkSubDir(new Path(this.walRootDir, subDir), perms);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> checkStagingDir();<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> // Handle the last few special files and set the final rootDir permissions<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> // rootDir needs 'x' for all to support bulk load staging dir<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> if (isSecurityEnabled) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> fs.setPermission(new Path(rootdir, HConstants.VERSION_FILE_NAME), secureRootFilePerms);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> fs.setPermission(new Path(rootdir, HConstants.CLUSTER_ID_FILE_NAME), secureRootFilePerms);<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> }<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> FsPermission currentRootPerms = fs.getFileStatus(this.rootdir).getPermission();<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> if (!currentRootPerms.getUserAction().implies(FsAction.EXECUTE)<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> || !currentRootPerms.getGroupAction().implies(FsAction.EXECUTE)<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> || !currentRootPerms.getOtherAction().implies(FsAction.EXECUTE)) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> LOG.warn("rootdir permissions do not contain 'excute' for user, group or other. "<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> + "Automatically adding 'excute' permission for all");<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> fs.setPermission(<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> this.rootdir,<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> new FsPermission(currentRootPerms.getUserAction().or(FsAction.EXECUTE), currentRootPerms<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> .getGroupAction().or(FsAction.EXECUTE), currentRootPerms.getOtherAction().or(<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> FsAction.EXECUTE)));<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> public FileSystem getFileSystem() {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> return this.fs;<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> public FileSystem getWALFileSystem() {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> return this.walFs;<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> }<a name="line.192"></a> |
| <span class="sourceLineNo">193</span><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> public Configuration getConfiguration() {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> return this.conf;<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> /**<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> * @return HBase root dir.<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> */<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> public Path getRootDir() {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> return this.rootdir;<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> }<a name="line.203"></a> |
| <span class="sourceLineNo">204</span><a name="line.204"></a> |
| <span class="sourceLineNo">205</span> /**<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> * @return HBase root log dir.<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> */<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> public Path getWALRootDir() {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> return this.walRootDir;<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> }<a name="line.210"></a> |
| <span class="sourceLineNo">211</span><a name="line.211"></a> |
| <span class="sourceLineNo">212</span> /**<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> * @return the directory for a give {@code region}.<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> */<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> public Path getRegionDir(RegionInfo region) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> return FSUtils.getRegionDirFromRootDir(getRootDir(), region);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> /**<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> * @return HBase temp dir.<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> */<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> public Path getTempDir() {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> return this.tempdir;<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> /**<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * @return The unique identifier generated for this cluster<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> */<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> public ClusterId getClusterId() {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> return clusterId;<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> }<a name="line.231"></a> |
| <span class="sourceLineNo">232</span><a name="line.232"></a> |
| <span class="sourceLineNo">233</span> /**<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> * Get the rootdir. Make sure its wholesome and exists before returning.<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> * @return hbase.rootdir (after checks for existence and bootstrapping if needed populating the<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * directory with necessary bootup files).<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> */<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> private void checkRootDir(final Path rd, final Configuration c, final FileSystem fs)<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> throws IOException {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> int threadWakeFrequency = c.getInt(HConstants.THREAD_WAKE_FREQUENCY, 10 * 1000);<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> // If FS is in safe mode wait till out of it.<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> FSUtils.waitOnSafeMode(c, threadWakeFrequency);<a name="line.242"></a> |
| <span class="sourceLineNo">243</span><a name="line.243"></a> |
| <span class="sourceLineNo">244</span> // Filesystem is good. Go ahead and check for hbase.rootdir.<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> FileStatus status;<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> try {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> status = fs.getFileStatus(rd);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> } catch (FileNotFoundException e) {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> status = null;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> }<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> int versionFileWriteAttempts = c.getInt(HConstants.VERSION_FILE_WRITE_ATTEMPTS,<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> HConstants.DEFAULT_VERSION_FILE_WRITE_ATTEMPTS);<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> try {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> if (status == null) {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> if (!fs.mkdirs(rd)) {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> throw new IOException("Can not create configured '" + HConstants.HBASE_DIR + "' " + rd);<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> }<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> // DFS leaves safe mode with 0 DNs when there are 0 blocks.<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> // We used to handle this by checking the current DN count and waiting until<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> // it is nonzero. With security, the check for datanode count doesn't work --<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> // it is a privileged op. So instead we adopt the strategy of the jobtracker<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> // and simply retry file creation during bootstrap indefinitely. As soon as<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> // there is one datanode it will succeed. Permission problems should have<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> // already been caught by mkdirs above.<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> FSUtils.setVersion(fs, rd, threadWakeFrequency, versionFileWriteAttempts);<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> } else {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> if (!status.isDirectory()) {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> throw new IllegalArgumentException(<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> "Configured '" + HConstants.HBASE_DIR + "' " + rd + " is not a directory.");<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> }<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> // as above<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> FSUtils.checkVersion(fs, rd, true, threadWakeFrequency, versionFileWriteAttempts);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> } catch (DeserializationException de) {<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> LOG.error(HBaseMarkers.FATAL, "Please fix invalid configuration for '{}' {}",<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> HConstants.HBASE_DIR, rd, de);<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> throw new IOException(de);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> } catch (IllegalArgumentException iae) {<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> LOG.error(HBaseMarkers.FATAL, "Please fix invalid configuration for '{}' {}",<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> HConstants.HBASE_DIR, rd, iae);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> throw iae;<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> // Make sure cluster ID exists<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> if (!FSUtils.checkClusterIdExists(fs, rd, threadWakeFrequency)) {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> FSUtils.setClusterId(fs, rd, new ClusterId(), threadWakeFrequency);<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> }<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> clusterId = FSUtils.getClusterId(fs, rd);<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> * Make sure the hbase temp directory exists and is empty.<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> * NOTE that this method is only executed once just after the master becomes the active one.<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> */<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> void checkTempDir(final Path tmpdir, final Configuration c, final FileSystem fs)<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> throws IOException {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> // If the temp directory exists, clear the content (left over, from the previous run)<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> if (fs.exists(tmpdir)) {<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> // Archive table in temp, maybe left over from failed deletion,<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> // if not the cleaner will take care of them.<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> for (Path tableDir: FSUtils.getTableDirs(fs, tmpdir)) {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> HFileArchiver.archiveRegions(c, fs, this.rootdir, tableDir,<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> FSUtils.getRegionDirs(fs, tableDir));<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> if (!FSUtils.getRegionDirs(fs, tableDir).isEmpty()) {<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> LOG.warn("Found regions in tmp dir after archiving table regions, {}", tableDir);<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> }<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> }<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> // if acl sync to hdfs is enabled, then skip delete tmp dir because ACLs are set<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> if (!SnapshotScannerHDFSAclHelper.isAclSyncToHdfsEnabled(c) && !fs.delete(tmpdir, true)) {<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> throw new IOException("Unable to clean the temp directory: " + tmpdir);<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> }<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> }<a name="line.311"></a> |
| <span class="sourceLineNo">312</span><a name="line.312"></a> |
| <span class="sourceLineNo">313</span> // Create the temp directory<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> if (!fs.exists(tmpdir)) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> if (isSecurityEnabled) {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> if (!fs.mkdirs(tmpdir, secureRootSubDirPerms)) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> throw new IOException("HBase temp directory '" + tmpdir + "' creation failure.");<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> }<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> } else {<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> if (!fs.mkdirs(tmpdir)) {<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> throw new IOException("HBase temp directory '" + tmpdir + "' creation failure.");<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> }<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<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> |
| <span class="sourceLineNo">328</span> * Make sure the directories under rootDir have good permissions. Create if necessary.<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> * @param p<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> * @throws IOException<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> */<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> private void checkSubDir(final Path p, final String dirPermsConfName) throws IOException {<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> FileSystem fs = p.getFileSystem(conf);<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> FsPermission dirPerms = new FsPermission(conf.get(dirPermsConfName, "700"));<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> if (!fs.exists(p)) {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> if (isSecurityEnabled) {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> if (!fs.mkdirs(p, secureRootSubDirPerms)) {<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> throw new IOException("HBase directory '" + p + "' creation failure.");<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> }<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> } else {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> if (!fs.mkdirs(p)) {<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> throw new IOException("HBase directory '" + p + "' creation failure.");<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> }<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> else {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> if (isSecurityEnabled && !dirPerms.equals(fs.getFileStatus(p).getPermission())) {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> // check whether the permission match<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> LOG.warn("Found HBase directory permissions NOT matching expected permissions for "<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> + p.toString() + " permissions=" + fs.getFileStatus(p).getPermission()<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> + ", expecting " + dirPerms + ". Automatically setting the permissions. "<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> + "You can change the permissions by setting \"" + dirPermsConfName + "\" in hbase-site.xml "<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> + "and restarting the master");<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> fs.setPermission(p, dirPerms);<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> }<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> }<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> }<a name="line.357"></a> |
| <span class="sourceLineNo">358</span><a name="line.358"></a> |
| <span class="sourceLineNo">359</span> /**<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> * Check permissions for bulk load staging directory. This directory has special hidden<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> * permissions. Create it if necessary.<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> * @throws IOException<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> */<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> private void checkStagingDir() throws IOException {<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> Path p = new Path(this.rootdir, HConstants.BULKLOAD_STAGING_DIR_NAME);<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> try {<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> if (!this.fs.exists(p)) {<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> if (!this.fs.mkdirs(p, HiddenDirPerms)) {<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> throw new IOException("Failed to create staging directory " + p.toString());<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> }<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> } else {<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> this.fs.setPermission(p, HiddenDirPerms);<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> }<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> } catch (IOException e) {<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> LOG.error("Failed to create or set permission on staging directory " + p.toString());<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> throw new IOException("Failed to create or set permission on staging directory "<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> + p.toString(), e);<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> }<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> }<a name="line.379"></a> |
| <span class="sourceLineNo">380</span><a name="line.380"></a> |
| <span class="sourceLineNo">381</span> public void deleteFamilyFromFS(RegionInfo region, byte[] familyName)<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> throws IOException {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> deleteFamilyFromFS(rootdir, region, familyName);<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> public void deleteFamilyFromFS(Path rootDir, RegionInfo region, byte[] familyName)<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> throws IOException {<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> // archive family store files<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> Path tableDir = CommonFSUtils.getTableDir(rootDir, region.getTable());<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> HFileArchiver.archiveFamily(fs, conf, region, tableDir, familyName);<a name="line.390"></a> |
| <span class="sourceLineNo">391</span><a name="line.391"></a> |
| <span class="sourceLineNo">392</span> // delete the family folder<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> Path familyDir = new Path(tableDir,<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> new Path(region.getEncodedName(), Bytes.toString(familyName)));<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> if (fs.delete(familyDir, true) == false) {<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> if (fs.exists(familyDir)) {<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> throw new IOException("Could not delete family "<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> + Bytes.toString(familyName) + " from FileSystem for region "<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> + region.getRegionNameAsString() + "(" + region.getEncodedName()<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> + ")");<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> }<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> }<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> }<a name="line.403"></a> |
| <span class="sourceLineNo">404</span><a name="line.404"></a> |
| <span class="sourceLineNo">405</span> public void stop() {<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> }<a name="line.406"></a> |
| <span class="sourceLineNo">407</span><a name="line.407"></a> |
| <span class="sourceLineNo">408</span> public void logFileSystemState(Logger log) throws IOException {<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> CommonFSUtils.logFileSystemState(fs, rootdir, log);<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> }<a name="line.410"></a> |
| <span class="sourceLineNo">411</span>}<a name="line.411"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
