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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.backup.mapreduce;</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 static org.apache.hadoop.hbase.backup.util.BackupUtils.succeeded;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.InputStream;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.OutputStream;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.ArrayDeque;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.ArrayList;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Deque;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.HashSet;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.List;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.Set;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.commons.io.IOUtils;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.commons.lang3.StringUtils;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.fs.FileStatus;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.fs.LocatedFileStatus;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.fs.RemoteIterator;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.backup.BackupInfo;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.backup.BackupMergeJob;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.backup.HBackupFileSystem;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.backup.impl.BackupManifest;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.backup.impl.BackupSystemTable;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.backup.util.BackupUtils;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.regionserver.HRegionFileSystem;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.util.FSTableDescriptors;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.util.Pair;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.util.Tool;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.slf4j.Logger;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56">/**</span> |
| <span class="source-line-no">057</span><span id="line-57"> * MapReduce implementation of {@link BackupMergeJob} Must be initialized with configuration of a</span> |
| <span class="source-line-no">058</span><span id="line-58"> * backup destination cluster</span> |
| <span class="source-line-no">059</span><span id="line-59"> */</span> |
| <span class="source-line-no">060</span><span id="line-60">@InterfaceAudience.Private</span> |
| <span class="source-line-no">061</span><span id="line-61">public class MapReduceBackupMergeJob implements BackupMergeJob {</span> |
| <span class="source-line-no">062</span><span id="line-62"> public static final Logger LOG = LoggerFactory.getLogger(MapReduceBackupMergeJob.class);</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> protected Tool player;</span> |
| <span class="source-line-no">065</span><span id="line-65"> protected Configuration conf;</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> public MapReduceBackupMergeJob() {</span> |
| <span class="source-line-no">068</span><span id="line-68"> }</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> @Override</span> |
| <span class="source-line-no">071</span><span id="line-71"> public Configuration getConf() {</span> |
| <span class="source-line-no">072</span><span id="line-72"> return conf;</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"> @Override</span> |
| <span class="source-line-no">076</span><span id="line-76"> public void setConf(Configuration conf) {</span> |
| <span class="source-line-no">077</span><span id="line-77"> this.conf = conf;</span> |
| <span class="source-line-no">078</span><span id="line-78"> }</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> @Override</span> |
| <span class="source-line-no">081</span><span id="line-81"> public void run(String[] backupIds) throws IOException {</span> |
| <span class="source-line-no">082</span><span id="line-82"> String bulkOutputConfKey;</span> |
| <span class="source-line-no">083</span><span id="line-83"></span> |
| <span class="source-line-no">084</span><span id="line-84"> // TODO : run player on remote cluster</span> |
| <span class="source-line-no">085</span><span id="line-85"> player = new MapReduceHFileSplitterJob();</span> |
| <span class="source-line-no">086</span><span id="line-86"> bulkOutputConfKey = MapReduceHFileSplitterJob.BULK_OUTPUT_CONF_KEY;</span> |
| <span class="source-line-no">087</span><span id="line-87"> // Player reads all files in arbitrary directory structure and creates</span> |
| <span class="source-line-no">088</span><span id="line-88"> // a Map task for each file</span> |
| <span class="source-line-no">089</span><span id="line-89"> String bids = StringUtils.join(backupIds, ",");</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">092</span><span id="line-92"> LOG.debug("Merge backup images " + bids);</span> |
| <span class="source-line-no">093</span><span id="line-93"> }</span> |
| <span class="source-line-no">094</span><span id="line-94"></span> |
| <span class="source-line-no">095</span><span id="line-95"> List<Pair<TableName, Path>> processedTableList = new ArrayList<>();</span> |
| <span class="source-line-no">096</span><span id="line-96"> boolean finishedTables = false;</span> |
| <span class="source-line-no">097</span><span id="line-97"> Connection conn = ConnectionFactory.createConnection(getConf());</span> |
| <span class="source-line-no">098</span><span id="line-98"> BackupSystemTable table = new BackupSystemTable(conn);</span> |
| <span class="source-line-no">099</span><span id="line-99"> FileSystem fs = null;</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> try {</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> // Get exclusive lock on backup system</span> |
| <span class="source-line-no">104</span><span id="line-104"> table.startBackupExclusiveOperation();</span> |
| <span class="source-line-no">105</span><span id="line-105"> // Start merge operation</span> |
| <span class="source-line-no">106</span><span id="line-106"> table.startMergeOperation(backupIds);</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> // Select most recent backup id</span> |
| <span class="source-line-no">109</span><span id="line-109"> String mergedBackupId = BackupUtils.findMostRecentBackupId(backupIds);</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> TableName[] tableNames = getTableNamesInBackupImages(backupIds);</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> BackupInfo bInfo = table.readBackupInfo(backupIds[0]);</span> |
| <span class="source-line-no">114</span><span id="line-114"> String backupRoot = bInfo.getBackupRootDir();</span> |
| <span class="source-line-no">115</span><span id="line-115"> Path backupRootPath = new Path(backupRoot);</span> |
| <span class="source-line-no">116</span><span id="line-116"> fs = backupRootPath.getFileSystem(conf);</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> for (int i = 0; i < tableNames.length; i++) {</span> |
| <span class="source-line-no">119</span><span id="line-119"> LOG.info("Merge backup images for " + tableNames[i]);</span> |
| <span class="source-line-no">120</span><span id="line-120"></span> |
| <span class="source-line-no">121</span><span id="line-121"> // Find input directories for table</span> |
| <span class="source-line-no">122</span><span id="line-122"> Path[] dirPaths = findInputDirectories(fs, backupRoot, tableNames[i], backupIds);</span> |
| <span class="source-line-no">123</span><span id="line-123"> String dirs = StringUtils.join(dirPaths, ",");</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> // bulkOutputPath should be on the same filesystem as backupRoot</span> |
| <span class="source-line-no">126</span><span id="line-126"> Path tmpRestoreOutputDir = HBackupFileSystem.getBackupTmpDirPath(backupRoot);</span> |
| <span class="source-line-no">127</span><span id="line-127"> Path bulkOutputPath = BackupUtils.getBulkOutputDir(tmpRestoreOutputDir,</span> |
| <span class="source-line-no">128</span><span id="line-128"> BackupUtils.getFileNameCompatibleString(tableNames[i]), getConf(), false);</span> |
| <span class="source-line-no">129</span><span id="line-129"> // Delete content if exists</span> |
| <span class="source-line-no">130</span><span id="line-130"> if (fs.exists(bulkOutputPath)) {</span> |
| <span class="source-line-no">131</span><span id="line-131"> if (!fs.delete(bulkOutputPath, true)) {</span> |
| <span class="source-line-no">132</span><span id="line-132"> LOG.warn("Can not delete: " + bulkOutputPath);</span> |
| <span class="source-line-no">133</span><span id="line-133"> }</span> |
| <span class="source-line-no">134</span><span id="line-134"> }</span> |
| <span class="source-line-no">135</span><span id="line-135"> Configuration conf = getConf();</span> |
| <span class="source-line-no">136</span><span id="line-136"> conf.set(bulkOutputConfKey, bulkOutputPath.toString());</span> |
| <span class="source-line-no">137</span><span id="line-137"> String[] playerArgs = { dirs, tableNames[i].getNameAsString() };</span> |
| <span class="source-line-no">138</span><span id="line-138"></span> |
| <span class="source-line-no">139</span><span id="line-139"> player.setConf(getConf());</span> |
| <span class="source-line-no">140</span><span id="line-140"> int result = player.run(playerArgs);</span> |
| <span class="source-line-no">141</span><span id="line-141"> if (!succeeded(result)) {</span> |
| <span class="source-line-no">142</span><span id="line-142"> throw new IOException("Can not merge backup images for " + dirs</span> |
| <span class="source-line-no">143</span><span id="line-143"> + " (check Hadoop/MR and HBase logs). Player return code =" + result);</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"> // Add to processed table list</span> |
| <span class="source-line-no">146</span><span id="line-146"> processedTableList.add(new Pair<>(tableNames[i], bulkOutputPath));</span> |
| <span class="source-line-no">147</span><span id="line-147"> LOG.debug("Merge Job finished:" + result);</span> |
| <span class="source-line-no">148</span><span id="line-148"> }</span> |
| <span class="source-line-no">149</span><span id="line-149"> List<TableName> tableList = toTableNameList(processedTableList);</span> |
| <span class="source-line-no">150</span><span id="line-150"> table.updateProcessedTablesForMerge(tableList);</span> |
| <span class="source-line-no">151</span><span id="line-151"> finishedTables = true;</span> |
| <span class="source-line-no">152</span><span id="line-152"></span> |
| <span class="source-line-no">153</span><span id="line-153"> // PHASE 2 (modification of a backup file system)</span> |
| <span class="source-line-no">154</span><span id="line-154"> // Move existing mergedBackupId data into tmp directory</span> |
| <span class="source-line-no">155</span><span id="line-155"> // we will need it later in case of a failure</span> |
| <span class="source-line-no">156</span><span id="line-156"> Path tmpBackupDir =</span> |
| <span class="source-line-no">157</span><span id="line-157"> HBackupFileSystem.getBackupTmpDirPathForBackupId(backupRoot, mergedBackupId);</span> |
| <span class="source-line-no">158</span><span id="line-158"> Path backupDirPath = HBackupFileSystem.getBackupPath(backupRoot, mergedBackupId);</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> if (!fs.rename(backupDirPath, tmpBackupDir)) {</span> |
| <span class="source-line-no">161</span><span id="line-161"> throw new IOException("Failed to rename " + backupDirPath + " to " + tmpBackupDir);</span> |
| <span class="source-line-no">162</span><span id="line-162"> } else {</span> |
| <span class="source-line-no">163</span><span id="line-163"> LOG.debug("Renamed " + backupDirPath + " to " + tmpBackupDir);</span> |
| <span class="source-line-no">164</span><span id="line-164"> }</span> |
| <span class="source-line-no">165</span><span id="line-165"> // Move new data into backup dest</span> |
| <span class="source-line-no">166</span><span id="line-166"> for (Pair<TableName, Path> tn : processedTableList) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> moveData(fs, backupRoot, tn.getSecond(), tn.getFirst(), mergedBackupId);</span> |
| <span class="source-line-no">168</span><span id="line-168"> }</span> |
| <span class="source-line-no">169</span><span id="line-169"> // Update backup manifest</span> |
| <span class="source-line-no">170</span><span id="line-170"> List<String> backupsToDelete = getBackupIdsToDelete(backupIds, mergedBackupId);</span> |
| <span class="source-line-no">171</span><span id="line-171"> updateBackupManifest(tmpBackupDir.getParent().toString(), mergedBackupId, backupsToDelete);</span> |
| <span class="source-line-no">172</span><span id="line-172"> // Copy meta files back from tmp to backup dir</span> |
| <span class="source-line-no">173</span><span id="line-173"> copyMetaData(fs, tmpBackupDir, backupDirPath);</span> |
| <span class="source-line-no">174</span><span id="line-174"> // Delete tmp dir (Rename back during repair)</span> |
| <span class="source-line-no">175</span><span id="line-175"> if (!fs.delete(tmpBackupDir, true)) {</span> |
| <span class="source-line-no">176</span><span id="line-176"> // WARN and ignore</span> |
| <span class="source-line-no">177</span><span id="line-177"> LOG.warn("Could not delete tmp dir: " + tmpBackupDir);</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"> // Delete old data</span> |
| <span class="source-line-no">180</span><span id="line-180"> deleteBackupImages(backupsToDelete, conn, fs, backupRoot);</span> |
| <span class="source-line-no">181</span><span id="line-181"> // Finish merge session</span> |
| <span class="source-line-no">182</span><span id="line-182"> table.finishMergeOperation();</span> |
| <span class="source-line-no">183</span><span id="line-183"> // Release lock</span> |
| <span class="source-line-no">184</span><span id="line-184"> table.finishBackupExclusiveOperation();</span> |
| <span class="source-line-no">185</span><span id="line-185"> } catch (RuntimeException e) {</span> |
| <span class="source-line-no">186</span><span id="line-186"></span> |
| <span class="source-line-no">187</span><span id="line-187"> throw e;</span> |
| <span class="source-line-no">188</span><span id="line-188"> } catch (Exception e) {</span> |
| <span class="source-line-no">189</span><span id="line-189"> LOG.error(e.toString(), e);</span> |
| <span class="source-line-no">190</span><span id="line-190"> if (!finishedTables) {</span> |
| <span class="source-line-no">191</span><span id="line-191"> // cleanup bulk directories and finish merge</span> |
| <span class="source-line-no">192</span><span id="line-192"> // merge MUST be repeated (no need for repair)</span> |
| <span class="source-line-no">193</span><span id="line-193"> if (fs != null) {</span> |
| <span class="source-line-no">194</span><span id="line-194"> cleanupBulkLoadDirs(fs, toPathList(processedTableList));</span> |
| <span class="source-line-no">195</span><span id="line-195"> }</span> |
| <span class="source-line-no">196</span><span id="line-196"> table.finishMergeOperation();</span> |
| <span class="source-line-no">197</span><span id="line-197"> table.finishBackupExclusiveOperation();</span> |
| <span class="source-line-no">198</span><span id="line-198"> throw new IOException("Backup merge operation failed, you should try it again", e);</span> |
| <span class="source-line-no">199</span><span id="line-199"> } else {</span> |
| <span class="source-line-no">200</span><span id="line-200"> // backup repair must be run</span> |
| <span class="source-line-no">201</span><span id="line-201"> throw new IOException(</span> |
| <span class="source-line-no">202</span><span id="line-202"> "Backup merge operation failed, run backup repair tool to restore system's integrity", e);</span> |
| <span class="source-line-no">203</span><span id="line-203"> }</span> |
| <span class="source-line-no">204</span><span id="line-204"> } finally {</span> |
| <span class="source-line-no">205</span><span id="line-205"> table.close();</span> |
| <span class="source-line-no">206</span><span id="line-206"> conn.close();</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"></span> |
| <span class="source-line-no">210</span><span id="line-210"> /**</span> |
| <span class="source-line-no">211</span><span id="line-211"> * Copy meta data to of a backup session</span> |
| <span class="source-line-no">212</span><span id="line-212"> * @param fs file system</span> |
| <span class="source-line-no">213</span><span id="line-213"> * @param tmpBackupDir temp backup directory, where meta is locaed</span> |
| <span class="source-line-no">214</span><span id="line-214"> * @param backupDirPath new path for backup</span> |
| <span class="source-line-no">215</span><span id="line-215"> * @throws IOException exception</span> |
| <span class="source-line-no">216</span><span id="line-216"> */</span> |
| <span class="source-line-no">217</span><span id="line-217"> protected void copyMetaData(FileSystem fs, Path tmpBackupDir, Path backupDirPath)</span> |
| <span class="source-line-no">218</span><span id="line-218"> throws IOException {</span> |
| <span class="source-line-no">219</span><span id="line-219"> RemoteIterator<LocatedFileStatus> it = fs.listFiles(tmpBackupDir, true);</span> |
| <span class="source-line-no">220</span><span id="line-220"> List<Path> toKeep = new ArrayList<Path>();</span> |
| <span class="source-line-no">221</span><span id="line-221"> while (it.hasNext()) {</span> |
| <span class="source-line-no">222</span><span id="line-222"> Path p = it.next().getPath();</span> |
| <span class="source-line-no">223</span><span id="line-223"> if (fs.isDirectory(p)) {</span> |
| <span class="source-line-no">224</span><span id="line-224"> continue;</span> |
| <span class="source-line-no">225</span><span id="line-225"> }</span> |
| <span class="source-line-no">226</span><span id="line-226"> // Keep meta</span> |
| <span class="source-line-no">227</span><span id="line-227"> String fileName = p.toString();</span> |
| <span class="source-line-no">228</span><span id="line-228"> if (</span> |
| <span class="source-line-no">229</span><span id="line-229"> fileName.indexOf(FSTableDescriptors.TABLEINFO_DIR) > 0</span> |
| <span class="source-line-no">230</span><span id="line-230"> || fileName.indexOf(HRegionFileSystem.REGION_INFO_FILE) > 0</span> |
| <span class="source-line-no">231</span><span id="line-231"> ) {</span> |
| <span class="source-line-no">232</span><span id="line-232"> toKeep.add(p);</span> |
| <span class="source-line-no">233</span><span id="line-233"> }</span> |
| <span class="source-line-no">234</span><span id="line-234"> }</span> |
| <span class="source-line-no">235</span><span id="line-235"> // Copy meta to destination</span> |
| <span class="source-line-no">236</span><span id="line-236"> for (Path p : toKeep) {</span> |
| <span class="source-line-no">237</span><span id="line-237"> Path newPath = convertToDest(p, backupDirPath);</span> |
| <span class="source-line-no">238</span><span id="line-238"> copyFile(fs, p, newPath);</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"> /**</span> |
| <span class="source-line-no">243</span><span id="line-243"> * Copy file in DFS from p to newPath</span> |
| <span class="source-line-no">244</span><span id="line-244"> * @param fs file system</span> |
| <span class="source-line-no">245</span><span id="line-245"> * @param p old path</span> |
| <span class="source-line-no">246</span><span id="line-246"> * @param newPath new path</span> |
| <span class="source-line-no">247</span><span id="line-247"> * @throws IOException exception</span> |
| <span class="source-line-no">248</span><span id="line-248"> */</span> |
| <span class="source-line-no">249</span><span id="line-249"> protected void copyFile(FileSystem fs, Path p, Path newPath) throws IOException {</span> |
| <span class="source-line-no">250</span><span id="line-250"> try (InputStream in = fs.open(p); OutputStream out = fs.create(newPath, true)) {</span> |
| <span class="source-line-no">251</span><span id="line-251"> IOUtils.copy(in, out);</span> |
| <span class="source-line-no">252</span><span id="line-252"> }</span> |
| <span class="source-line-no">253</span><span id="line-253"> boolean exists = fs.exists(newPath);</span> |
| <span class="source-line-no">254</span><span id="line-254"> if (!exists) {</span> |
| <span class="source-line-no">255</span><span id="line-255"> throw new IOException("Failed to copy meta file to: " + newPath);</span> |
| <span class="source-line-no">256</span><span id="line-256"> }</span> |
| <span class="source-line-no">257</span><span id="line-257"> }</span> |
| <span class="source-line-no">258</span><span id="line-258"></span> |
| <span class="source-line-no">259</span><span id="line-259"> /**</span> |
| <span class="source-line-no">260</span><span id="line-260"> * Converts path before copying</span> |
| <span class="source-line-no">261</span><span id="line-261"> * @param p path</span> |
| <span class="source-line-no">262</span><span id="line-262"> * @param backupDirPath backup root</span> |
| <span class="source-line-no">263</span><span id="line-263"> * @return converted path</span> |
| <span class="source-line-no">264</span><span id="line-264"> */</span> |
| <span class="source-line-no">265</span><span id="line-265"> protected Path convertToDest(Path p, Path backupDirPath) {</span> |
| <span class="source-line-no">266</span><span id="line-266"> String backupId = backupDirPath.getName();</span> |
| <span class="source-line-no">267</span><span id="line-267"> Deque<String> stack = new ArrayDeque<String>();</span> |
| <span class="source-line-no">268</span><span id="line-268"> String name = null;</span> |
| <span class="source-line-no">269</span><span id="line-269"> while (true) {</span> |
| <span class="source-line-no">270</span><span id="line-270"> name = p.getName();</span> |
| <span class="source-line-no">271</span><span id="line-271"> if (!name.equals(backupId)) {</span> |
| <span class="source-line-no">272</span><span id="line-272"> stack.push(name);</span> |
| <span class="source-line-no">273</span><span id="line-273"> p = p.getParent();</span> |
| <span class="source-line-no">274</span><span id="line-274"> } else {</span> |
| <span class="source-line-no">275</span><span id="line-275"> break;</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"> Path newPath = new Path(backupDirPath.toString());</span> |
| <span class="source-line-no">279</span><span id="line-279"> while (!stack.isEmpty()) {</span> |
| <span class="source-line-no">280</span><span id="line-280"> newPath = new Path(newPath, stack.pop());</span> |
| <span class="source-line-no">281</span><span id="line-281"> }</span> |
| <span class="source-line-no">282</span><span id="line-282"> return newPath;</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"></span> |
| <span class="source-line-no">285</span><span id="line-285"> protected List<Path> toPathList(List<Pair<TableName, Path>> processedTableList) {</span> |
| <span class="source-line-no">286</span><span id="line-286"> ArrayList<Path> list = new ArrayList<>();</span> |
| <span class="source-line-no">287</span><span id="line-287"> for (Pair<TableName, Path> p : processedTableList) {</span> |
| <span class="source-line-no">288</span><span id="line-288"> list.add(p.getSecond());</span> |
| <span class="source-line-no">289</span><span id="line-289"> }</span> |
| <span class="source-line-no">290</span><span id="line-290"> return list;</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"> protected List<TableName> toTableNameList(List<Pair<TableName, Path>> processedTableList) {</span> |
| <span class="source-line-no">294</span><span id="line-294"> ArrayList<TableName> list = new ArrayList<>();</span> |
| <span class="source-line-no">295</span><span id="line-295"> for (Pair<TableName, Path> p : processedTableList) {</span> |
| <span class="source-line-no">296</span><span id="line-296"> list.add(p.getFirst());</span> |
| <span class="source-line-no">297</span><span id="line-297"> }</span> |
| <span class="source-line-no">298</span><span id="line-298"> return list;</span> |
| <span class="source-line-no">299</span><span id="line-299"> }</span> |
| <span class="source-line-no">300</span><span id="line-300"></span> |
| <span class="source-line-no">301</span><span id="line-301"> protected void cleanupBulkLoadDirs(FileSystem fs, List<Path> pathList) throws IOException {</span> |
| <span class="source-line-no">302</span><span id="line-302"> for (Path path : pathList) {</span> |
| <span class="source-line-no">303</span><span id="line-303"> if (!fs.delete(path, true)) {</span> |
| <span class="source-line-no">304</span><span id="line-304"> LOG.warn("Can't delete " + path);</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"> protected void updateBackupManifest(String backupRoot, String mergedBackupId,</span> |
| <span class="source-line-no">310</span><span id="line-310"> List<String> backupsToDelete) throws IllegalArgumentException, IOException {</span> |
| <span class="source-line-no">311</span><span id="line-311"> BackupManifest manifest =</span> |
| <span class="source-line-no">312</span><span id="line-312"> HBackupFileSystem.getManifest(conf, new Path(backupRoot), mergedBackupId);</span> |
| <span class="source-line-no">313</span><span id="line-313"> manifest.getBackupImage().removeAncestors(backupsToDelete);</span> |
| <span class="source-line-no">314</span><span id="line-314"> // save back</span> |
| <span class="source-line-no">315</span><span id="line-315"> manifest.store(conf);</span> |
| <span class="source-line-no">316</span><span id="line-316"> }</span> |
| <span class="source-line-no">317</span><span id="line-317"></span> |
| <span class="source-line-no">318</span><span id="line-318"> protected void deleteBackupImages(List<String> backupIds, Connection conn, FileSystem fs,</span> |
| <span class="source-line-no">319</span><span id="line-319"> String backupRoot) throws IOException {</span> |
| <span class="source-line-no">320</span><span id="line-320"> // Delete from backup system table</span> |
| <span class="source-line-no">321</span><span id="line-321"> try (BackupSystemTable table = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">322</span><span id="line-322"> for (String backupId : backupIds) {</span> |
| <span class="source-line-no">323</span><span id="line-323"> table.deleteBackupInfo(backupId);</span> |
| <span class="source-line-no">324</span><span id="line-324"> }</span> |
| <span class="source-line-no">325</span><span id="line-325"> }</span> |
| <span class="source-line-no">326</span><span id="line-326"></span> |
| <span class="source-line-no">327</span><span id="line-327"> // Delete from file system</span> |
| <span class="source-line-no">328</span><span id="line-328"> for (String backupId : backupIds) {</span> |
| <span class="source-line-no">329</span><span id="line-329"> Path backupDirPath = HBackupFileSystem.getBackupPath(backupRoot, backupId);</span> |
| <span class="source-line-no">330</span><span id="line-330"></span> |
| <span class="source-line-no">331</span><span id="line-331"> if (!fs.delete(backupDirPath, true)) {</span> |
| <span class="source-line-no">332</span><span id="line-332"> LOG.warn("Could not delete " + backupDirPath);</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"> protected List<String> getBackupIdsToDelete(String[] backupIds, String mergedBackupId) {</span> |
| <span class="source-line-no">338</span><span id="line-338"> List<String> list = new ArrayList<>();</span> |
| <span class="source-line-no">339</span><span id="line-339"> for (String id : backupIds) {</span> |
| <span class="source-line-no">340</span><span id="line-340"> if (id.equals(mergedBackupId)) {</span> |
| <span class="source-line-no">341</span><span id="line-341"> continue;</span> |
| <span class="source-line-no">342</span><span id="line-342"> }</span> |
| <span class="source-line-no">343</span><span id="line-343"> list.add(id);</span> |
| <span class="source-line-no">344</span><span id="line-344"> }</span> |
| <span class="source-line-no">345</span><span id="line-345"> return list;</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"> protected void moveData(FileSystem fs, String backupRoot, Path bulkOutputPath,</span> |
| <span class="source-line-no">349</span><span id="line-349"> TableName tableName, String mergedBackupId) throws IllegalArgumentException, IOException {</span> |
| <span class="source-line-no">350</span><span id="line-350"> Path dest =</span> |
| <span class="source-line-no">351</span><span id="line-351"> new Path(HBackupFileSystem.getTableBackupDir(backupRoot, mergedBackupId, tableName));</span> |
| <span class="source-line-no">352</span><span id="line-352"></span> |
| <span class="source-line-no">353</span><span id="line-353"> FileStatus[] fsts = fs.listStatus(bulkOutputPath);</span> |
| <span class="source-line-no">354</span><span id="line-354"> for (FileStatus fst : fsts) {</span> |
| <span class="source-line-no">355</span><span id="line-355"> if (fst.isDirectory()) {</span> |
| <span class="source-line-no">356</span><span id="line-356"> String family = fst.getPath().getName();</span> |
| <span class="source-line-no">357</span><span id="line-357"> Path newDst = new Path(dest, family);</span> |
| <span class="source-line-no">358</span><span id="line-358"> if (fs.exists(newDst)) {</span> |
| <span class="source-line-no">359</span><span id="line-359"> if (!fs.delete(newDst, true)) {</span> |
| <span class="source-line-no">360</span><span id="line-360"> throw new IOException("failed to delete :" + newDst);</span> |
| <span class="source-line-no">361</span><span id="line-361"> }</span> |
| <span class="source-line-no">362</span><span id="line-362"> } else {</span> |
| <span class="source-line-no">363</span><span id="line-363"> fs.mkdirs(dest);</span> |
| <span class="source-line-no">364</span><span id="line-364"> }</span> |
| <span class="source-line-no">365</span><span id="line-365"> boolean result = fs.rename(fst.getPath(), dest);</span> |
| <span class="source-line-no">366</span><span id="line-366"> LOG.debug("MoveData from " + fst.getPath() + " to " + dest + " result=" + result);</span> |
| <span class="source-line-no">367</span><span id="line-367"> }</span> |
| <span class="source-line-no">368</span><span id="line-368"> }</span> |
| <span class="source-line-no">369</span><span id="line-369"> }</span> |
| <span class="source-line-no">370</span><span id="line-370"></span> |
| <span class="source-line-no">371</span><span id="line-371"> protected TableName[] getTableNamesInBackupImages(String[] backupIds) throws IOException {</span> |
| <span class="source-line-no">372</span><span id="line-372"> Set<TableName> allSet = new HashSet<>();</span> |
| <span class="source-line-no">373</span><span id="line-373"></span> |
| <span class="source-line-no">374</span><span id="line-374"> try (Connection conn = ConnectionFactory.createConnection(conf);</span> |
| <span class="source-line-no">375</span><span id="line-375"> BackupSystemTable table = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">376</span><span id="line-376"> for (String backupId : backupIds) {</span> |
| <span class="source-line-no">377</span><span id="line-377"> BackupInfo bInfo = table.readBackupInfo(backupId);</span> |
| <span class="source-line-no">378</span><span id="line-378"></span> |
| <span class="source-line-no">379</span><span id="line-379"> allSet.addAll(bInfo.getTableNames());</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"></span> |
| <span class="source-line-no">383</span><span id="line-383"> TableName[] ret = new TableName[allSet.size()];</span> |
| <span class="source-line-no">384</span><span id="line-384"> return allSet.toArray(ret);</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"> protected Path[] findInputDirectories(FileSystem fs, String backupRoot, TableName tableName,</span> |
| <span class="source-line-no">388</span><span id="line-388"> String[] backupIds) throws IOException {</span> |
| <span class="source-line-no">389</span><span id="line-389"> List<Path> dirs = new ArrayList<>();</span> |
| <span class="source-line-no">390</span><span id="line-390"></span> |
| <span class="source-line-no">391</span><span id="line-391"> for (String backupId : backupIds) {</span> |
| <span class="source-line-no">392</span><span id="line-392"> Path fileBackupDirPath =</span> |
| <span class="source-line-no">393</span><span id="line-393"> new Path(HBackupFileSystem.getTableBackupDir(backupRoot, backupId, tableName));</span> |
| <span class="source-line-no">394</span><span id="line-394"> if (fs.exists(fileBackupDirPath)) {</span> |
| <span class="source-line-no">395</span><span id="line-395"> dirs.add(fileBackupDirPath);</span> |
| <span class="source-line-no">396</span><span id="line-396"> } else {</span> |
| <span class="source-line-no">397</span><span id="line-397"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">398</span><span id="line-398"> LOG.debug("File: " + fileBackupDirPath + " does not exist.");</span> |
| <span class="source-line-no">399</span><span id="line-399"> }</span> |
| <span class="source-line-no">400</span><span id="line-400"> }</span> |
| <span class="source-line-no">401</span><span id="line-401"> }</span> |
| <span class="source-line-no">402</span><span id="line-402"> Path[] ret = new Path[dirs.size()];</span> |
| <span class="source-line-no">403</span><span id="line-403"> return dirs.toArray(ret);</span> |
| <span class="source-line-no">404</span><span id="line-404"> }</span> |
| <span class="source-line-no">405</span><span id="line-405">}</span> |
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| </main> |
| </body> |
| </html> |
