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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.master;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.io.FileNotFoundException;</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 org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.fs.FileStatus;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.fs.permission.FsAction;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.fs.permission.FsPermission;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.ClusterId;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.backup.HFileArchiver;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.exceptions.DeserializationException;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.fs.HFileSystem;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.log.HBaseMarkers;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.mob.MobConstants;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.replication.ReplicationUtils;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.security.access.SnapshotScannerHDFSAclHelper;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.util.CommonFSUtils;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.util.FSUtils;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.slf4j.Logger;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45">/**</span> |
| <span class="source-line-no">046</span><span id="line-46"> * This class abstracts a bunch of operations the HMaster needs to interact with the underlying file</span> |
| <span class="source-line-no">047</span><span id="line-47"> * system like creating the initial layout, checking file system status, etc.</span> |
| <span class="source-line-no">048</span><span id="line-48"> */</span> |
| <span class="source-line-no">049</span><span id="line-49">@InterfaceAudience.Private</span> |
| <span class="source-line-no">050</span><span id="line-50">public class MasterFileSystem {</span> |
| <span class="source-line-no">051</span><span id="line-51"> private static final Logger LOG = LoggerFactory.getLogger(MasterFileSystem.class);</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> /** Parameter name for HBase instance root directory permission */</span> |
| <span class="source-line-no">054</span><span id="line-54"> public static final String HBASE_DIR_PERMS = "hbase.rootdir.perms";</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> /** Parameter name for HBase WAL directory permission */</span> |
| <span class="source-line-no">057</span><span id="line-57"> public static final String HBASE_WAL_DIR_PERMS = "hbase.wal.dir.perms";</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> // HBase configuration</span> |
| <span class="source-line-no">060</span><span id="line-60"> private final Configuration conf;</span> |
| <span class="source-line-no">061</span><span id="line-61"> // Persisted unique cluster ID</span> |
| <span class="source-line-no">062</span><span id="line-62"> private ClusterId clusterId;</span> |
| <span class="source-line-no">063</span><span id="line-63"> // Keep around for convenience.</span> |
| <span class="source-line-no">064</span><span id="line-64"> private final FileSystem fs;</span> |
| <span class="source-line-no">065</span><span id="line-65"> // Keep around for convenience.</span> |
| <span class="source-line-no">066</span><span id="line-66"> private final FileSystem walFs;</span> |
| <span class="source-line-no">067</span><span id="line-67"> // root log directory on the FS</span> |
| <span class="source-line-no">068</span><span id="line-68"> private final Path rootdir;</span> |
| <span class="source-line-no">069</span><span id="line-69"> // hbase temp directory used for table construction and deletion</span> |
| <span class="source-line-no">070</span><span id="line-70"> private final Path tempdir;</span> |
| <span class="source-line-no">071</span><span id="line-71"> // root hbase directory on the FS</span> |
| <span class="source-line-no">072</span><span id="line-72"> private final Path walRootDir;</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> /*</span> |
| <span class="source-line-no">075</span><span id="line-75"> * In a secure env, the protected sub-directories and files under the HBase rootDir would be</span> |
| <span class="source-line-no">076</span><span id="line-76"> * restricted. The sub-directory will have '700' except the bulk load staging dir, which will have</span> |
| <span class="source-line-no">077</span><span id="line-77"> * '711'. The default '700' can be overwritten by setting the property 'hbase.rootdir.perms'. The</span> |
| <span class="source-line-no">078</span><span id="line-78"> * protected files (version file, clusterId file) will have '600'. The rootDir itself will be</span> |
| <span class="source-line-no">079</span><span id="line-79"> * created with HDFS default permissions if it does not exist. We will check the rootDir</span> |
| <span class="source-line-no">080</span><span id="line-80"> * permissions to make sure it has 'x' for all to ensure access to the staging dir. If it does</span> |
| <span class="source-line-no">081</span><span id="line-81"> * not, we will add it.</span> |
| <span class="source-line-no">082</span><span id="line-82"> */</span> |
| <span class="source-line-no">083</span><span id="line-83"> // Permissions for the directories under rootDir that need protection</span> |
| <span class="source-line-no">084</span><span id="line-84"> private final FsPermission secureRootSubDirPerms;</span> |
| <span class="source-line-no">085</span><span id="line-85"> // Permissions for the files under rootDir that need protection</span> |
| <span class="source-line-no">086</span><span id="line-86"> private final FsPermission secureRootFilePerms = new FsPermission("600");</span> |
| <span class="source-line-no">087</span><span id="line-87"> // Permissions for bulk load staging directory under rootDir</span> |
| <span class="source-line-no">088</span><span id="line-88"> private final FsPermission HiddenDirPerms = FsPermission.valueOf("-rwx--x--x");</span> |
| <span class="source-line-no">089</span><span id="line-89"></span> |
| <span class="source-line-no">090</span><span id="line-90"> private boolean isSecurityEnabled;</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> public MasterFileSystem(Configuration conf) throws IOException {</span> |
| <span class="source-line-no">093</span><span id="line-93"> this.conf = conf;</span> |
| <span class="source-line-no">094</span><span id="line-94"> // Set filesystem to be that of this.rootdir else we get complaints about</span> |
| <span class="source-line-no">095</span><span id="line-95"> // mismatched filesystems if hbase.rootdir is hdfs and fs.defaultFS is</span> |
| <span class="source-line-no">096</span><span id="line-96"> // default localfs. Presumption is that rootdir is fully-qualified before</span> |
| <span class="source-line-no">097</span><span id="line-97"> // we get to here with appropriate fs scheme.</span> |
| <span class="source-line-no">098</span><span id="line-98"> this.rootdir = CommonFSUtils.getRootDir(conf);</span> |
| <span class="source-line-no">099</span><span id="line-99"> this.tempdir = new Path(this.rootdir, HConstants.HBASE_TEMP_DIRECTORY);</span> |
| <span class="source-line-no">100</span><span id="line-100"> // Cover both bases, the old way of setting default fs and the new.</span> |
| <span class="source-line-no">101</span><span id="line-101"> // We're supposed to run on 0.20 and 0.21 anyways.</span> |
| <span class="source-line-no">102</span><span id="line-102"> this.fs = this.rootdir.getFileSystem(conf);</span> |
| <span class="source-line-no">103</span><span id="line-103"> this.walRootDir = CommonFSUtils.getWALRootDir(conf);</span> |
| <span class="source-line-no">104</span><span id="line-104"> this.walFs = CommonFSUtils.getWALFileSystem(conf);</span> |
| <span class="source-line-no">105</span><span id="line-105"> CommonFSUtils.setFsDefault(conf, new Path(this.walFs.getUri()));</span> |
| <span class="source-line-no">106</span><span id="line-106"> walFs.setConf(conf);</span> |
| <span class="source-line-no">107</span><span id="line-107"> CommonFSUtils.setFsDefault(conf, new Path(this.fs.getUri()));</span> |
| <span class="source-line-no">108</span><span id="line-108"> // make sure the fs has the same conf</span> |
| <span class="source-line-no">109</span><span id="line-109"> fs.setConf(conf);</span> |
| <span class="source-line-no">110</span><span id="line-110"> this.secureRootSubDirPerms = new FsPermission(conf.get("hbase.rootdir.perms", "700"));</span> |
| <span class="source-line-no">111</span><span id="line-111"> this.isSecurityEnabled = "kerberos".equalsIgnoreCase(conf.get("hbase.security.authentication"));</span> |
| <span class="source-line-no">112</span><span id="line-112"> // setup the filesystem variable</span> |
| <span class="source-line-no">113</span><span id="line-113"> createInitialFileSystemLayout();</span> |
| <span class="source-line-no">114</span><span id="line-114"> HFileSystem.addLocationsOrderInterceptor(conf);</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117"> /**</span> |
| <span class="source-line-no">118</span><span id="line-118"> * Create initial layout in filesystem.</span> |
| <span class="source-line-no">119</span><span id="line-119"> * <ol></span> |
| <span class="source-line-no">120</span><span id="line-120"> * <li>Check if the meta region exists and is readable, if not create it. Create hbase.version and</span> |
| <span class="source-line-no">121</span><span id="line-121"> * the hbase:meta directory if not one.</li></span> |
| <span class="source-line-no">122</span><span id="line-122"> * </ol></span> |
| <span class="source-line-no">123</span><span id="line-123"> * Idempotent.</span> |
| <span class="source-line-no">124</span><span id="line-124"> */</span> |
| <span class="source-line-no">125</span><span id="line-125"> private void createInitialFileSystemLayout() throws IOException {</span> |
| <span class="source-line-no">126</span><span id="line-126"> final String[] protectedSubDirs =</span> |
| <span class="source-line-no">127</span><span id="line-127"> new String[] { HConstants.BASE_NAMESPACE_DIR, HConstants.HFILE_ARCHIVE_DIRECTORY,</span> |
| <span class="source-line-no">128</span><span id="line-128"> HConstants.HBCK_SIDELINEDIR_NAME, MobConstants.MOB_DIR_NAME };</span> |
| <span class="source-line-no">129</span><span id="line-129"></span> |
| <span class="source-line-no">130</span><span id="line-130"> // With the introduction of RegionProcedureStore,</span> |
| <span class="source-line-no">131</span><span id="line-131"> // there's no need to create MasterProcWAL dir here anymore. See HBASE-23715</span> |
| <span class="source-line-no">132</span><span id="line-132"> final String[] protectedSubLogDirs =</span> |
| <span class="source-line-no">133</span><span id="line-133"> new String[] { HConstants.HREGION_LOGDIR_NAME, HConstants.HREGION_OLDLOGDIR_NAME,</span> |
| <span class="source-line-no">134</span><span id="line-134"> HConstants.CORRUPT_DIR_NAME, ReplicationUtils.REMOTE_WAL_DIR_NAME };</span> |
| <span class="source-line-no">135</span><span id="line-135"> // check if the root directory exists</span> |
| <span class="source-line-no">136</span><span id="line-136"> checkRootDir(this.rootdir, conf, this.fs);</span> |
| <span class="source-line-no">137</span><span id="line-137"></span> |
| <span class="source-line-no">138</span><span id="line-138"> // Check the directories under rootdir.</span> |
| <span class="source-line-no">139</span><span id="line-139"> checkTempDir(this.tempdir, conf, this.fs);</span> |
| <span class="source-line-no">140</span><span id="line-140"> for (String subDir : protectedSubDirs) {</span> |
| <span class="source-line-no">141</span><span id="line-141"> checkSubDir(new Path(this.rootdir, subDir), HBASE_DIR_PERMS);</span> |
| <span class="source-line-no">142</span><span id="line-142"> }</span> |
| <span class="source-line-no">143</span><span id="line-143"></span> |
| <span class="source-line-no">144</span><span id="line-144"> final String perms;</span> |
| <span class="source-line-no">145</span><span id="line-145"> if (!this.walRootDir.equals(this.rootdir)) {</span> |
| <span class="source-line-no">146</span><span id="line-146"> perms = HBASE_WAL_DIR_PERMS;</span> |
| <span class="source-line-no">147</span><span id="line-147"> } else {</span> |
| <span class="source-line-no">148</span><span id="line-148"> perms = HBASE_DIR_PERMS;</span> |
| <span class="source-line-no">149</span><span id="line-149"> }</span> |
| <span class="source-line-no">150</span><span id="line-150"> for (String subDir : protectedSubLogDirs) {</span> |
| <span class="source-line-no">151</span><span id="line-151"> checkSubDir(new Path(this.walRootDir, subDir), perms);</span> |
| <span class="source-line-no">152</span><span id="line-152"> }</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> checkStagingDir();</span> |
| <span class="source-line-no">155</span><span id="line-155"></span> |
| <span class="source-line-no">156</span><span id="line-156"> // Handle the last few special files and set the final rootDir permissions</span> |
| <span class="source-line-no">157</span><span id="line-157"> // rootDir needs 'x' for all to support bulk load staging dir</span> |
| <span class="source-line-no">158</span><span id="line-158"> if (isSecurityEnabled) {</span> |
| <span class="source-line-no">159</span><span id="line-159"> fs.setPermission(new Path(rootdir, HConstants.VERSION_FILE_NAME), secureRootFilePerms);</span> |
| <span class="source-line-no">160</span><span id="line-160"> fs.setPermission(new Path(rootdir, HConstants.CLUSTER_ID_FILE_NAME), secureRootFilePerms);</span> |
| <span class="source-line-no">161</span><span id="line-161"> }</span> |
| <span class="source-line-no">162</span><span id="line-162"> FsPermission currentRootPerms = fs.getFileStatus(this.rootdir).getPermission();</span> |
| <span class="source-line-no">163</span><span id="line-163"> if (</span> |
| <span class="source-line-no">164</span><span id="line-164"> !currentRootPerms.getUserAction().implies(FsAction.EXECUTE)</span> |
| <span class="source-line-no">165</span><span id="line-165"> || !currentRootPerms.getGroupAction().implies(FsAction.EXECUTE)</span> |
| <span class="source-line-no">166</span><span id="line-166"> || !currentRootPerms.getOtherAction().implies(FsAction.EXECUTE)</span> |
| <span class="source-line-no">167</span><span id="line-167"> ) {</span> |
| <span class="source-line-no">168</span><span id="line-168"> LOG.warn("rootdir permissions do not contain 'excute' for user, group or other. "</span> |
| <span class="source-line-no">169</span><span id="line-169"> + "Automatically adding 'excute' permission for all");</span> |
| <span class="source-line-no">170</span><span id="line-170"> fs.setPermission(this.rootdir,</span> |
| <span class="source-line-no">171</span><span id="line-171"> new FsPermission(currentRootPerms.getUserAction().or(FsAction.EXECUTE),</span> |
| <span class="source-line-no">172</span><span id="line-172"> currentRootPerms.getGroupAction().or(FsAction.EXECUTE),</span> |
| <span class="source-line-no">173</span><span id="line-173"> currentRootPerms.getOtherAction().or(FsAction.EXECUTE)));</span> |
| <span class="source-line-no">174</span><span id="line-174"> }</span> |
| <span class="source-line-no">175</span><span id="line-175"> }</span> |
| <span class="source-line-no">176</span><span id="line-176"></span> |
| <span class="source-line-no">177</span><span id="line-177"> public FileSystem getFileSystem() {</span> |
| <span class="source-line-no">178</span><span id="line-178"> return this.fs;</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"></span> |
| <span class="source-line-no">181</span><span id="line-181"> public FileSystem getWALFileSystem() {</span> |
| <span class="source-line-no">182</span><span id="line-182"> return this.walFs;</span> |
| <span class="source-line-no">183</span><span id="line-183"> }</span> |
| <span class="source-line-no">184</span><span id="line-184"></span> |
| <span class="source-line-no">185</span><span id="line-185"> public Configuration getConfiguration() {</span> |
| <span class="source-line-no">186</span><span id="line-186"> return this.conf;</span> |
| <span class="source-line-no">187</span><span id="line-187"> }</span> |
| <span class="source-line-no">188</span><span id="line-188"></span> |
| <span class="source-line-no">189</span><span id="line-189"> /** Returns HBase root dir. */</span> |
| <span class="source-line-no">190</span><span id="line-190"> public Path getRootDir() {</span> |
| <span class="source-line-no">191</span><span id="line-191"> return this.rootdir;</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"> /** Returns HBase root log dir. */</span> |
| <span class="source-line-no">195</span><span id="line-195"> public Path getWALRootDir() {</span> |
| <span class="source-line-no">196</span><span id="line-196"> return this.walRootDir;</span> |
| <span class="source-line-no">197</span><span id="line-197"> }</span> |
| <span class="source-line-no">198</span><span id="line-198"></span> |
| <span class="source-line-no">199</span><span id="line-199"> /** Returns the directory for a give {@code region}. */</span> |
| <span class="source-line-no">200</span><span id="line-200"> public Path getRegionDir(RegionInfo region) {</span> |
| <span class="source-line-no">201</span><span id="line-201"> return FSUtils.getRegionDirFromRootDir(getRootDir(), region);</span> |
| <span class="source-line-no">202</span><span id="line-202"> }</span> |
| <span class="source-line-no">203</span><span id="line-203"></span> |
| <span class="source-line-no">204</span><span id="line-204"> /** Returns HBase temp dir. */</span> |
| <span class="source-line-no">205</span><span id="line-205"> public Path getTempDir() {</span> |
| <span class="source-line-no">206</span><span id="line-206"> return this.tempdir;</span> |
| <span class="source-line-no">207</span><span id="line-207"> }</span> |
| <span class="source-line-no">208</span><span id="line-208"></span> |
| <span class="source-line-no">209</span><span id="line-209"> /** Returns The unique identifier generated for this cluster */</span> |
| <span class="source-line-no">210</span><span id="line-210"> public ClusterId getClusterId() {</span> |
| <span class="source-line-no">211</span><span id="line-211"> return clusterId;</span> |
| <span class="source-line-no">212</span><span id="line-212"> }</span> |
| <span class="source-line-no">213</span><span id="line-213"></span> |
| <span class="source-line-no">214</span><span id="line-214"> /**</span> |
| <span class="source-line-no">215</span><span id="line-215"> * Get the rootdir. Make sure its wholesome and exists before returning.</span> |
| <span class="source-line-no">216</span><span id="line-216"> * @return hbase.rootdir (after checks for existence and bootstrapping if needed populating the</span> |
| <span class="source-line-no">217</span><span id="line-217"> * directory with necessary bootup files).</span> |
| <span class="source-line-no">218</span><span id="line-218"> */</span> |
| <span class="source-line-no">219</span><span id="line-219"> private void checkRootDir(final Path rd, final Configuration c, final FileSystem fs)</span> |
| <span class="source-line-no">220</span><span id="line-220"> throws IOException {</span> |
| <span class="source-line-no">221</span><span id="line-221"> int threadWakeFrequency = c.getInt(HConstants.THREAD_WAKE_FREQUENCY, 10 * 1000);</span> |
| <span class="source-line-no">222</span><span id="line-222"> // If FS is in safe mode wait till out of it.</span> |
| <span class="source-line-no">223</span><span id="line-223"> FSUtils.waitOnSafeMode(c, threadWakeFrequency);</span> |
| <span class="source-line-no">224</span><span id="line-224"></span> |
| <span class="source-line-no">225</span><span id="line-225"> // Filesystem is good. Go ahead and check for hbase.rootdir.</span> |
| <span class="source-line-no">226</span><span id="line-226"> FileStatus status;</span> |
| <span class="source-line-no">227</span><span id="line-227"> try {</span> |
| <span class="source-line-no">228</span><span id="line-228"> status = fs.getFileStatus(rd);</span> |
| <span class="source-line-no">229</span><span id="line-229"> } catch (FileNotFoundException e) {</span> |
| <span class="source-line-no">230</span><span id="line-230"> status = null;</span> |
| <span class="source-line-no">231</span><span id="line-231"> }</span> |
| <span class="source-line-no">232</span><span id="line-232"> int versionFileWriteAttempts = c.getInt(HConstants.VERSION_FILE_WRITE_ATTEMPTS,</span> |
| <span class="source-line-no">233</span><span id="line-233"> HConstants.DEFAULT_VERSION_FILE_WRITE_ATTEMPTS);</span> |
| <span class="source-line-no">234</span><span id="line-234"> try {</span> |
| <span class="source-line-no">235</span><span id="line-235"> if (status == null) {</span> |
| <span class="source-line-no">236</span><span id="line-236"> if (!fs.mkdirs(rd)) {</span> |
| <span class="source-line-no">237</span><span id="line-237"> throw new IOException("Can not create configured '" + HConstants.HBASE_DIR + "' " + rd);</span> |
| <span class="source-line-no">238</span><span id="line-238"> }</span> |
| <span class="source-line-no">239</span><span id="line-239"> // DFS leaves safe mode with 0 DNs when there are 0 blocks.</span> |
| <span class="source-line-no">240</span><span id="line-240"> // We used to handle this by checking the current DN count and waiting until</span> |
| <span class="source-line-no">241</span><span id="line-241"> // it is nonzero. With security, the check for datanode count doesn't work --</span> |
| <span class="source-line-no">242</span><span id="line-242"> // it is a privileged op. So instead we adopt the strategy of the jobtracker</span> |
| <span class="source-line-no">243</span><span id="line-243"> // and simply retry file creation during bootstrap indefinitely. As soon as</span> |
| <span class="source-line-no">244</span><span id="line-244"> // there is one datanode it will succeed. Permission problems should have</span> |
| <span class="source-line-no">245</span><span id="line-245"> // already been caught by mkdirs above.</span> |
| <span class="source-line-no">246</span><span id="line-246"> FSUtils.setVersion(fs, rd, threadWakeFrequency, versionFileWriteAttempts);</span> |
| <span class="source-line-no">247</span><span id="line-247"> } else {</span> |
| <span class="source-line-no">248</span><span id="line-248"> if (!status.isDirectory()) {</span> |
| <span class="source-line-no">249</span><span id="line-249"> throw new IllegalArgumentException(</span> |
| <span class="source-line-no">250</span><span id="line-250"> "Configured '" + HConstants.HBASE_DIR + "' " + rd + " is not a directory.");</span> |
| <span class="source-line-no">251</span><span id="line-251"> }</span> |
| <span class="source-line-no">252</span><span id="line-252"> // as above</span> |
| <span class="source-line-no">253</span><span id="line-253"> FSUtils.checkVersion(fs, rd, true, threadWakeFrequency, versionFileWriteAttempts);</span> |
| <span class="source-line-no">254</span><span id="line-254"> }</span> |
| <span class="source-line-no">255</span><span id="line-255"> } catch (DeserializationException de) {</span> |
| <span class="source-line-no">256</span><span id="line-256"> LOG.error(HBaseMarkers.FATAL, "Please fix invalid configuration for '{}' {}",</span> |
| <span class="source-line-no">257</span><span id="line-257"> HConstants.HBASE_DIR, rd, de);</span> |
| <span class="source-line-no">258</span><span id="line-258"> throw new IOException(de);</span> |
| <span class="source-line-no">259</span><span id="line-259"> } catch (IllegalArgumentException iae) {</span> |
| <span class="source-line-no">260</span><span id="line-260"> LOG.error(HBaseMarkers.FATAL, "Please fix invalid configuration for '{}' {}",</span> |
| <span class="source-line-no">261</span><span id="line-261"> HConstants.HBASE_DIR, rd, iae);</span> |
| <span class="source-line-no">262</span><span id="line-262"> throw iae;</span> |
| <span class="source-line-no">263</span><span id="line-263"> }</span> |
| <span class="source-line-no">264</span><span id="line-264"> // Make sure cluster ID exists</span> |
| <span class="source-line-no">265</span><span id="line-265"> if (!FSUtils.checkClusterIdExists(fs, rd, threadWakeFrequency)) {</span> |
| <span class="source-line-no">266</span><span id="line-266"> FSUtils.setClusterId(fs, rd, new ClusterId(), threadWakeFrequency);</span> |
| <span class="source-line-no">267</span><span id="line-267"> }</span> |
| <span class="source-line-no">268</span><span id="line-268"> clusterId = FSUtils.getClusterId(fs, rd);</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"> /**</span> |
| <span class="source-line-no">272</span><span id="line-272"> * Make sure the hbase temp directory exists and is empty. NOTE that this method is only executed</span> |
| <span class="source-line-no">273</span><span id="line-273"> * once just after the master becomes the active one.</span> |
| <span class="source-line-no">274</span><span id="line-274"> */</span> |
| <span class="source-line-no">275</span><span id="line-275"> void checkTempDir(final Path tmpdir, final Configuration c, final FileSystem fs)</span> |
| <span class="source-line-no">276</span><span id="line-276"> throws IOException {</span> |
| <span class="source-line-no">277</span><span id="line-277"> // If the temp directory exists, clear the content (left over, from the previous run)</span> |
| <span class="source-line-no">278</span><span id="line-278"> if (fs.exists(tmpdir)) {</span> |
| <span class="source-line-no">279</span><span id="line-279"> // Archive table in temp, maybe left over from failed deletion,</span> |
| <span class="source-line-no">280</span><span id="line-280"> // if not the cleaner will take care of them.</span> |
| <span class="source-line-no">281</span><span id="line-281"> for (Path tableDir : FSUtils.getTableDirs(fs, tmpdir)) {</span> |
| <span class="source-line-no">282</span><span id="line-282"> HFileArchiver.archiveRegions(c, fs, this.rootdir, tableDir,</span> |
| <span class="source-line-no">283</span><span id="line-283"> FSUtils.getRegionDirs(fs, tableDir));</span> |
| <span class="source-line-no">284</span><span id="line-284"> if (!FSUtils.getRegionDirs(fs, tableDir).isEmpty()) {</span> |
| <span class="source-line-no">285</span><span id="line-285"> LOG.warn("Found regions in tmp dir after archiving table regions, {}", tableDir);</span> |
| <span class="source-line-no">286</span><span id="line-286"> }</span> |
| <span class="source-line-no">287</span><span id="line-287"> }</span> |
| <span class="source-line-no">288</span><span id="line-288"> // if acl sync to hdfs is enabled, then skip delete tmp dir because ACLs are set</span> |
| <span class="source-line-no">289</span><span id="line-289"> if (!SnapshotScannerHDFSAclHelper.isAclSyncToHdfsEnabled(c) && !fs.delete(tmpdir, true)) {</span> |
| <span class="source-line-no">290</span><span id="line-290"> throw new IOException("Unable to clean the temp directory: " + tmpdir);</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"></span> |
| <span class="source-line-no">294</span><span id="line-294"> // Create the temp directory</span> |
| <span class="source-line-no">295</span><span id="line-295"> if (!fs.exists(tmpdir)) {</span> |
| <span class="source-line-no">296</span><span id="line-296"> if (isSecurityEnabled) {</span> |
| <span class="source-line-no">297</span><span id="line-297"> if (!fs.mkdirs(tmpdir, secureRootSubDirPerms)) {</span> |
| <span class="source-line-no">298</span><span id="line-298"> throw new IOException("HBase temp directory '" + tmpdir + "' creation failure.");</span> |
| <span class="source-line-no">299</span><span id="line-299"> }</span> |
| <span class="source-line-no">300</span><span id="line-300"> } else {</span> |
| <span class="source-line-no">301</span><span id="line-301"> if (!fs.mkdirs(tmpdir)) {</span> |
| <span class="source-line-no">302</span><span id="line-302"> throw new IOException("HBase temp directory '" + tmpdir + "' creation failure.");</span> |
| <span class="source-line-no">303</span><span id="line-303"> }</span> |
| <span class="source-line-no">304</span><span id="line-304"> }</span> |
| <span class="source-line-no">305</span><span id="line-305"> }</span> |
| <span class="source-line-no">306</span><span id="line-306"> }</span> |
| <span class="source-line-no">307</span><span id="line-307"></span> |
| <span class="source-line-no">308</span><span id="line-308"> /**</span> |
| <span class="source-line-no">309</span><span id="line-309"> * Make sure the directories under rootDir have good permissions. Create if necessary.</span> |
| <span class="source-line-no">310</span><span id="line-310"> */</span> |
| <span class="source-line-no">311</span><span id="line-311"> private void checkSubDir(final Path p, final String dirPermsConfName) throws IOException {</span> |
| <span class="source-line-no">312</span><span id="line-312"> FileSystem fs = p.getFileSystem(conf);</span> |
| <span class="source-line-no">313</span><span id="line-313"> FsPermission dirPerms = new FsPermission(conf.get(dirPermsConfName, "700"));</span> |
| <span class="source-line-no">314</span><span id="line-314"> if (!fs.exists(p)) {</span> |
| <span class="source-line-no">315</span><span id="line-315"> if (isSecurityEnabled) {</span> |
| <span class="source-line-no">316</span><span id="line-316"> if (!fs.mkdirs(p, secureRootSubDirPerms)) {</span> |
| <span class="source-line-no">317</span><span id="line-317"> throw new IOException("HBase directory '" + p + "' creation failure.");</span> |
| <span class="source-line-no">318</span><span id="line-318"> }</span> |
| <span class="source-line-no">319</span><span id="line-319"> } else {</span> |
| <span class="source-line-no">320</span><span id="line-320"> if (!fs.mkdirs(p)) {</span> |
| <span class="source-line-no">321</span><span id="line-321"> throw new IOException("HBase directory '" + p + "' creation failure.");</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"> }</span> |
| <span class="source-line-no">325</span><span id="line-325"> if (isSecurityEnabled && !dirPerms.equals(fs.getFileStatus(p).getPermission())) {</span> |
| <span class="source-line-no">326</span><span id="line-326"> // check whether the permission match</span> |
| <span class="source-line-no">327</span><span id="line-327"> LOG.warn("Found HBase directory permissions NOT matching expected permissions for "</span> |
| <span class="source-line-no">328</span><span id="line-328"> + p.toString() + " permissions=" + fs.getFileStatus(p).getPermission() + ", expecting "</span> |
| <span class="source-line-no">329</span><span id="line-329"> + dirPerms + ". Automatically setting the permissions. "</span> |
| <span class="source-line-no">330</span><span id="line-330"> + "You can change the permissions by setting \"" + dirPermsConfName</span> |
| <span class="source-line-no">331</span><span id="line-331"> + "\" in hbase-site.xml " + "and restarting the master");</span> |
| <span class="source-line-no">332</span><span id="line-332"> fs.setPermission(p, dirPerms);</span> |
| <span class="source-line-no">333</span><span id="line-333"> }</span> |
| <span class="source-line-no">334</span><span id="line-334"> }</span> |
| <span class="source-line-no">335</span><span id="line-335"></span> |
| <span class="source-line-no">336</span><span id="line-336"> /**</span> |
| <span class="source-line-no">337</span><span id="line-337"> * Check permissions for bulk load staging directory. This directory has special hidden</span> |
| <span class="source-line-no">338</span><span id="line-338"> * permissions. Create it if necessary.</span> |
| <span class="source-line-no">339</span><span id="line-339"> */</span> |
| <span class="source-line-no">340</span><span id="line-340"> private void checkStagingDir() throws IOException {</span> |
| <span class="source-line-no">341</span><span id="line-341"> Path p = new Path(this.rootdir, HConstants.BULKLOAD_STAGING_DIR_NAME);</span> |
| <span class="source-line-no">342</span><span id="line-342"> try {</span> |
| <span class="source-line-no">343</span><span id="line-343"> if (!this.fs.exists(p)) {</span> |
| <span class="source-line-no">344</span><span id="line-344"> if (!this.fs.mkdirs(p, HiddenDirPerms)) {</span> |
| <span class="source-line-no">345</span><span id="line-345"> throw new IOException("Failed to create staging directory " + p.toString());</span> |
| <span class="source-line-no">346</span><span id="line-346"> }</span> |
| <span class="source-line-no">347</span><span id="line-347"> }</span> |
| <span class="source-line-no">348</span><span id="line-348"> this.fs.setPermission(p, HiddenDirPerms);</span> |
| <span class="source-line-no">349</span><span id="line-349"></span> |
| <span class="source-line-no">350</span><span id="line-350"> } catch (IOException e) {</span> |
| <span class="source-line-no">351</span><span id="line-351"> LOG.error("Failed to create or set permission on staging directory " + p.toString());</span> |
| <span class="source-line-no">352</span><span id="line-352"> throw new IOException(</span> |
| <span class="source-line-no">353</span><span id="line-353"> "Failed to create or set permission on staging directory " + p.toString(), e);</span> |
| <span class="source-line-no">354</span><span id="line-354"> }</span> |
| <span class="source-line-no">355</span><span id="line-355"> }</span> |
| <span class="source-line-no">356</span><span id="line-356"></span> |
| <span class="source-line-no">357</span><span id="line-357"> public void deleteFamilyFromFS(RegionInfo region, byte[] familyName) throws IOException {</span> |
| <span class="source-line-no">358</span><span id="line-358"> deleteFamilyFromFS(rootdir, region, familyName);</span> |
| <span class="source-line-no">359</span><span id="line-359"> }</span> |
| <span class="source-line-no">360</span><span id="line-360"></span> |
| <span class="source-line-no">361</span><span id="line-361"> public void deleteFamilyFromFS(Path rootDir, RegionInfo region, byte[] familyName)</span> |
| <span class="source-line-no">362</span><span id="line-362"> throws IOException {</span> |
| <span class="source-line-no">363</span><span id="line-363"> // archive family store files</span> |
| <span class="source-line-no">364</span><span id="line-364"> Path tableDir = CommonFSUtils.getTableDir(rootDir, region.getTable());</span> |
| <span class="source-line-no">365</span><span id="line-365"> HFileArchiver.archiveFamily(fs, conf, region, tableDir, familyName);</span> |
| <span class="source-line-no">366</span><span id="line-366"></span> |
| <span class="source-line-no">367</span><span id="line-367"> // delete the family folder</span> |
| <span class="source-line-no">368</span><span id="line-368"> Path familyDir =</span> |
| <span class="source-line-no">369</span><span id="line-369"> new Path(tableDir, new Path(region.getEncodedName(), Bytes.toString(familyName)));</span> |
| <span class="source-line-no">370</span><span id="line-370"> if (fs.delete(familyDir, true) == false) {</span> |
| <span class="source-line-no">371</span><span id="line-371"> if (fs.exists(familyDir)) {</span> |
| <span class="source-line-no">372</span><span id="line-372"> throw new IOException(</span> |
| <span class="source-line-no">373</span><span id="line-373"> "Could not delete family " + Bytes.toString(familyName) + " from FileSystem for region "</span> |
| <span class="source-line-no">374</span><span id="line-374"> + region.getRegionNameAsString() + "(" + region.getEncodedName() + ")");</span> |
| <span class="source-line-no">375</span><span id="line-375"> }</span> |
| <span class="source-line-no">376</span><span id="line-376"> }</span> |
| <span class="source-line-no">377</span><span id="line-377"> }</span> |
| <span class="source-line-no">378</span><span id="line-378"></span> |
| <span class="source-line-no">379</span><span id="line-379"> public void stop() {</span> |
| <span class="source-line-no">380</span><span id="line-380"> }</span> |
| <span class="source-line-no">381</span><span id="line-381"></span> |
| <span class="source-line-no">382</span><span id="line-382"> public void logFileSystemState(Logger log) throws IOException {</span> |
| <span class="source-line-no">383</span><span id="line-383"> CommonFSUtils.logFileSystemState(fs, rootdir, log);</span> |
| <span class="source-line-no">384</span><span id="line-384"> }</span> |
| <span class="source-line-no">385</span><span id="line-385">}</span> |
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| </html> |
