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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.impl;</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.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.ArrayList;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Arrays;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Collections;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.HashSet;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.List;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Map;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Set;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.commons.lang3.StringUtils;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.backup.BackupAdmin;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.backup.BackupClientFactory;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.backup.BackupInfo;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.backup.BackupInfo.BackupState;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.backup.BackupMergeJob;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.backup.BackupRequest;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.backup.BackupRestoreConstants;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.backup.BackupRestoreFactory;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.backup.BackupType;</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.RestoreRequest;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.backup.util.BackupSet;</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.Admin;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.slf4j.Logger;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hbase.thirdparty.com.google.common.collect.Lists;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55">@InterfaceAudience.Private</span> |
| <span class="source-line-no">056</span><span id="line-56">public class BackupAdminImpl implements BackupAdmin {</span> |
| <span class="source-line-no">057</span><span id="line-57"> public final static String CHECK_OK = "Checking backup images: OK";</span> |
| <span class="source-line-no">058</span><span id="line-58"> public final static String CHECK_FAILED =</span> |
| <span class="source-line-no">059</span><span id="line-59"> "Checking backup images: Failed. Some dependencies are missing for restore";</span> |
| <span class="source-line-no">060</span><span id="line-60"> private static final Logger LOG = LoggerFactory.getLogger(BackupAdminImpl.class);</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> private final Connection conn;</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> public BackupAdminImpl(Connection conn) {</span> |
| <span class="source-line-no">065</span><span id="line-65"> this.conn = conn;</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> @Override</span> |
| <span class="source-line-no">069</span><span id="line-69"> public void close() {</span> |
| <span class="source-line-no">070</span><span id="line-70"> }</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> @Override</span> |
| <span class="source-line-no">073</span><span id="line-73"> public BackupInfo getBackupInfo(String backupId) throws IOException {</span> |
| <span class="source-line-no">074</span><span id="line-74"> BackupInfo backupInfo;</span> |
| <span class="source-line-no">075</span><span id="line-75"> try (final BackupSystemTable table = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">076</span><span id="line-76"> if (backupId == null) {</span> |
| <span class="source-line-no">077</span><span id="line-77"> ArrayList<BackupInfo> recentSessions = table.getBackupInfos(BackupState.RUNNING);</span> |
| <span class="source-line-no">078</span><span id="line-78"> if (recentSessions.isEmpty()) {</span> |
| <span class="source-line-no">079</span><span id="line-79"> LOG.warn("No ongoing sessions found.");</span> |
| <span class="source-line-no">080</span><span id="line-80"> return null;</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"> // else show status for ongoing session</span> |
| <span class="source-line-no">083</span><span id="line-83"> // must be one maximum</span> |
| <span class="source-line-no">084</span><span id="line-84"> return recentSessions.get(0);</span> |
| <span class="source-line-no">085</span><span id="line-85"> } else {</span> |
| <span class="source-line-no">086</span><span id="line-86"> backupInfo = table.readBackupInfo(backupId);</span> |
| <span class="source-line-no">087</span><span id="line-87"> return backupInfo;</span> |
| <span class="source-line-no">088</span><span id="line-88"> }</span> |
| <span class="source-line-no">089</span><span id="line-89"> }</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> @Override</span> |
| <span class="source-line-no">093</span><span id="line-93"> public int deleteBackups(String[] backupIds) throws IOException {</span> |
| <span class="source-line-no">094</span><span id="line-94"></span> |
| <span class="source-line-no">095</span><span id="line-95"> int totalDeleted = 0;</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> boolean deleteSessionStarted;</span> |
| <span class="source-line-no">098</span><span id="line-98"> boolean snapshotDone;</span> |
| <span class="source-line-no">099</span><span id="line-99"> try (final BackupSystemTable sysTable = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">100</span><span id="line-100"> // Step 1: Make sure there is no active session</span> |
| <span class="source-line-no">101</span><span id="line-101"> // is running by using startBackupSession API</span> |
| <span class="source-line-no">102</span><span id="line-102"> // If there is an active session in progress, exception will be thrown</span> |
| <span class="source-line-no">103</span><span id="line-103"> try {</span> |
| <span class="source-line-no">104</span><span id="line-104"> sysTable.startBackupExclusiveOperation();</span> |
| <span class="source-line-no">105</span><span id="line-105"> deleteSessionStarted = true;</span> |
| <span class="source-line-no">106</span><span id="line-106"> } catch (IOException e) {</span> |
| <span class="source-line-no">107</span><span id="line-107"> LOG.warn("You can not run delete command while active backup session is in progress. \n"</span> |
| <span class="source-line-no">108</span><span id="line-108"> + "If there is no active backup session running, run backup repair utility to "</span> |
| <span class="source-line-no">109</span><span id="line-109"> + "restore \nbackup system integrity.");</span> |
| <span class="source-line-no">110</span><span id="line-110"> return -1;</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> // Step 2: Make sure there is no failed session</span> |
| <span class="source-line-no">114</span><span id="line-114"> List<BackupInfo> list = sysTable.getBackupInfos(BackupState.RUNNING);</span> |
| <span class="source-line-no">115</span><span id="line-115"> if (list.size() != 0) {</span> |
| <span class="source-line-no">116</span><span id="line-116"> // ailed sessions found</span> |
| <span class="source-line-no">117</span><span id="line-117"> LOG.warn("Failed backup session found. Run backup repair tool first.");</span> |
| <span class="source-line-no">118</span><span id="line-118"> return -1;</span> |
| <span class="source-line-no">119</span><span id="line-119"> }</span> |
| <span class="source-line-no">120</span><span id="line-120"></span> |
| <span class="source-line-no">121</span><span id="line-121"> // Step 3: Record delete session</span> |
| <span class="source-line-no">122</span><span id="line-122"> sysTable.startDeleteOperation(backupIds);</span> |
| <span class="source-line-no">123</span><span id="line-123"> // Step 4: Snapshot backup system table</span> |
| <span class="source-line-no">124</span><span id="line-124"> if (!BackupSystemTable.snapshotExists(conn)) {</span> |
| <span class="source-line-no">125</span><span id="line-125"> BackupSystemTable.snapshot(conn);</span> |
| <span class="source-line-no">126</span><span id="line-126"> } else {</span> |
| <span class="source-line-no">127</span><span id="line-127"> LOG.warn("Backup system table snapshot exists");</span> |
| <span class="source-line-no">128</span><span id="line-128"> }</span> |
| <span class="source-line-no">129</span><span id="line-129"> snapshotDone = true;</span> |
| <span class="source-line-no">130</span><span id="line-130"> try {</span> |
| <span class="source-line-no">131</span><span id="line-131"> List<String> affectedBackupRootDirs = new ArrayList<>();</span> |
| <span class="source-line-no">132</span><span id="line-132"> for (int i = 0; i < backupIds.length; i++) {</span> |
| <span class="source-line-no">133</span><span id="line-133"> BackupInfo info = sysTable.readBackupInfo(backupIds[i]);</span> |
| <span class="source-line-no">134</span><span id="line-134"> if (info == null) {</span> |
| <span class="source-line-no">135</span><span id="line-135"> continue;</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</span> |
| <span class="source-line-no">137</span><span id="line-137"> affectedBackupRootDirs.add(info.getBackupRootDir());</span> |
| <span class="source-line-no">138</span><span id="line-138"> totalDeleted += deleteBackup(backupIds[i], sysTable);</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"> finalizeDelete(affectedBackupRootDirs, sysTable);</span> |
| <span class="source-line-no">141</span><span id="line-141"> // Finish</span> |
| <span class="source-line-no">142</span><span id="line-142"> sysTable.finishDeleteOperation();</span> |
| <span class="source-line-no">143</span><span id="line-143"> // delete snapshot</span> |
| <span class="source-line-no">144</span><span id="line-144"> BackupSystemTable.deleteSnapshot(conn);</span> |
| <span class="source-line-no">145</span><span id="line-145"> } catch (IOException e) {</span> |
| <span class="source-line-no">146</span><span id="line-146"> // Fail delete operation</span> |
| <span class="source-line-no">147</span><span id="line-147"> // Step 1</span> |
| <span class="source-line-no">148</span><span id="line-148"> if (snapshotDone) {</span> |
| <span class="source-line-no">149</span><span id="line-149"> if (BackupSystemTable.snapshotExists(conn)) {</span> |
| <span class="source-line-no">150</span><span id="line-150"> BackupSystemTable.restoreFromSnapshot(conn);</span> |
| <span class="source-line-no">151</span><span id="line-151"> // delete snapshot</span> |
| <span class="source-line-no">152</span><span id="line-152"> BackupSystemTable.deleteSnapshot(conn);</span> |
| <span class="source-line-no">153</span><span id="line-153"> // We still have record with unfinished delete operation</span> |
| <span class="source-line-no">154</span><span id="line-154"> LOG.error("Delete operation failed, please run backup repair utility to restore "</span> |
| <span class="source-line-no">155</span><span id="line-155"> + "backup system integrity", e);</span> |
| <span class="source-line-no">156</span><span id="line-156"> throw e;</span> |
| <span class="source-line-no">157</span><span id="line-157"> } else {</span> |
| <span class="source-line-no">158</span><span id="line-158"> LOG.warn("Delete operation succeeded, there were some errors: ", e);</span> |
| <span class="source-line-no">159</span><span id="line-159"> }</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"></span> |
| <span class="source-line-no">162</span><span id="line-162"> } finally {</span> |
| <span class="source-line-no">163</span><span id="line-163"> if (deleteSessionStarted) {</span> |
| <span class="source-line-no">164</span><span id="line-164"> sysTable.finishBackupExclusiveOperation();</span> |
| <span class="source-line-no">165</span><span id="line-165"> }</span> |
| <span class="source-line-no">166</span><span id="line-166"> }</span> |
| <span class="source-line-no">167</span><span id="line-167"> }</span> |
| <span class="source-line-no">168</span><span id="line-168"> return totalDeleted;</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"></span> |
| <span class="source-line-no">171</span><span id="line-171"> /**</span> |
| <span class="source-line-no">172</span><span id="line-172"> * Updates incremental backup set for every backupRoot</span> |
| <span class="source-line-no">173</span><span id="line-173"> * @param backupRoots backupRoots for which to revise the incremental backup set</span> |
| <span class="source-line-no">174</span><span id="line-174"> * @param table backup system table</span> |
| <span class="source-line-no">175</span><span id="line-175"> * @throws IOException if a table operation fails</span> |
| <span class="source-line-no">176</span><span id="line-176"> */</span> |
| <span class="source-line-no">177</span><span id="line-177"> private void finalizeDelete(List<String> backupRoots, BackupSystemTable table)</span> |
| <span class="source-line-no">178</span><span id="line-178"> throws IOException {</span> |
| <span class="source-line-no">179</span><span id="line-179"> for (String backupRoot : backupRoots) {</span> |
| <span class="source-line-no">180</span><span id="line-180"> Set<TableName> incrTableSet = table.getIncrementalBackupTableSet(backupRoot);</span> |
| <span class="source-line-no">181</span><span id="line-181"> Map<TableName, List<BackupInfo>> tableMap =</span> |
| <span class="source-line-no">182</span><span id="line-182"> table.getBackupHistoryForTableSet(incrTableSet, backupRoot);</span> |
| <span class="source-line-no">183</span><span id="line-183"></span> |
| <span class="source-line-no">184</span><span id="line-184"> // Keep only the tables that are present in other backups</span> |
| <span class="source-line-no">185</span><span id="line-185"> incrTableSet.retainAll(tableMap.keySet());</span> |
| <span class="source-line-no">186</span><span id="line-186"></span> |
| <span class="source-line-no">187</span><span id="line-187"> table.deleteIncrementalBackupTableSet(backupRoot);</span> |
| <span class="source-line-no">188</span><span id="line-188"> if (!incrTableSet.isEmpty()) {</span> |
| <span class="source-line-no">189</span><span id="line-189"> table.addIncrementalBackupTableSet(incrTableSet, backupRoot);</span> |
| <span class="source-line-no">190</span><span id="line-190"> }</span> |
| <span class="source-line-no">191</span><span id="line-191"> }</span> |
| <span class="source-line-no">192</span><span id="line-192"> }</span> |
| <span class="source-line-no">193</span><span id="line-193"></span> |
| <span class="source-line-no">194</span><span id="line-194"> /**</span> |
| <span class="source-line-no">195</span><span id="line-195"> * Delete single backup and all related backups <br></span> |
| <span class="source-line-no">196</span><span id="line-196"> * Algorithm:<br></span> |
| <span class="source-line-no">197</span><span id="line-197"> * Backup type: FULL or INCREMENTAL <br></span> |
| <span class="source-line-no">198</span><span id="line-198"> * Is this last backup session for table T: YES or NO <br></span> |
| <span class="source-line-no">199</span><span id="line-199"> * For every table T from table list 'tables':<br></span> |
| <span class="source-line-no">200</span><span id="line-200"> * if(FULL, YES) deletes only physical data (PD) <br></span> |
| <span class="source-line-no">201</span><span id="line-201"> * if(FULL, NO), deletes PD, scans all newer backups and removes T from backupInfo,<br></span> |
| <span class="source-line-no">202</span><span id="line-202"> * until we either reach the most recent backup for T in the system or FULL backup<br></span> |
| <span class="source-line-no">203</span><span id="line-203"> * which includes T<br></span> |
| <span class="source-line-no">204</span><span id="line-204"> * if(INCREMENTAL, YES) deletes only physical data (PD) if(INCREMENTAL, NO) deletes physical data</span> |
| <span class="source-line-no">205</span><span id="line-205"> * and for table T scans all backup images between last<br></span> |
| <span class="source-line-no">206</span><span id="line-206"> * FULL backup, which is older than the backup being deleted and the next FULL backup (if exists)</span> |
| <span class="source-line-no">207</span><span id="line-207"> * <br></span> |
| <span class="source-line-no">208</span><span id="line-208"> * or last one for a particular table T and removes T from list of backup tables.</span> |
| <span class="source-line-no">209</span><span id="line-209"> * @param backupId backup id</span> |
| <span class="source-line-no">210</span><span id="line-210"> * @param sysTable backup system table</span> |
| <span class="source-line-no">211</span><span id="line-211"> * @return total number of deleted backup images</span> |
| <span class="source-line-no">212</span><span id="line-212"> * @throws IOException if deleting the backup fails</span> |
| <span class="source-line-no">213</span><span id="line-213"> */</span> |
| <span class="source-line-no">214</span><span id="line-214"> private int deleteBackup(String backupId, BackupSystemTable sysTable) throws IOException {</span> |
| <span class="source-line-no">215</span><span id="line-215"> BackupInfo backupInfo = sysTable.readBackupInfo(backupId);</span> |
| <span class="source-line-no">216</span><span id="line-216"></span> |
| <span class="source-line-no">217</span><span id="line-217"> int totalDeleted = 0;</span> |
| <span class="source-line-no">218</span><span id="line-218"> if (backupInfo != null) {</span> |
| <span class="source-line-no">219</span><span id="line-219"> LOG.info("Deleting backup " + backupInfo.getBackupId() + " ...");</span> |
| <span class="source-line-no">220</span><span id="line-220"> // Step 1: clean up data for backup session (idempotent)</span> |
| <span class="source-line-no">221</span><span id="line-221"> BackupUtils.cleanupBackupData(backupInfo, conn.getConfiguration());</span> |
| <span class="source-line-no">222</span><span id="line-222"> // List of tables in this backup;</span> |
| <span class="source-line-no">223</span><span id="line-223"> List<TableName> tables = backupInfo.getTableNames();</span> |
| <span class="source-line-no">224</span><span id="line-224"> long startTime = backupInfo.getStartTs();</span> |
| <span class="source-line-no">225</span><span id="line-225"> for (TableName tn : tables) {</span> |
| <span class="source-line-no">226</span><span id="line-226"> boolean isLastBackupSession = isLastBackupSession(sysTable, tn, startTime);</span> |
| <span class="source-line-no">227</span><span id="line-227"> if (isLastBackupSession) {</span> |
| <span class="source-line-no">228</span><span id="line-228"> continue;</span> |
| <span class="source-line-no">229</span><span id="line-229"> }</span> |
| <span class="source-line-no">230</span><span id="line-230"> // else</span> |
| <span class="source-line-no">231</span><span id="line-231"> List<BackupInfo> affectedBackups = getAffectedBackupSessions(backupInfo, tn, sysTable);</span> |
| <span class="source-line-no">232</span><span id="line-232"> for (BackupInfo info : affectedBackups) {</span> |
| <span class="source-line-no">233</span><span id="line-233"> if (info.equals(backupInfo)) {</span> |
| <span class="source-line-no">234</span><span id="line-234"> continue;</span> |
| <span class="source-line-no">235</span><span id="line-235"> }</span> |
| <span class="source-line-no">236</span><span id="line-236"> removeTableFromBackupImage(info, tn, sysTable);</span> |
| <span class="source-line-no">237</span><span id="line-237"> }</span> |
| <span class="source-line-no">238</span><span id="line-238"> }</span> |
| <span class="source-line-no">239</span><span id="line-239"> Map<byte[], String> map = sysTable.readBulkLoadedFiles(backupId);</span> |
| <span class="source-line-no">240</span><span id="line-240"> FileSystem fs = FileSystem.get(conn.getConfiguration());</span> |
| <span class="source-line-no">241</span><span id="line-241"> boolean success = true;</span> |
| <span class="source-line-no">242</span><span id="line-242"> int numDeleted = 0;</span> |
| <span class="source-line-no">243</span><span id="line-243"> for (String f : map.values()) {</span> |
| <span class="source-line-no">244</span><span id="line-244"> Path p = new Path(f);</span> |
| <span class="source-line-no">245</span><span id="line-245"> try {</span> |
| <span class="source-line-no">246</span><span id="line-246"> LOG.debug("Delete backup info " + p + " for " + backupInfo.getBackupId());</span> |
| <span class="source-line-no">247</span><span id="line-247"> if (!fs.delete(p)) {</span> |
| <span class="source-line-no">248</span><span id="line-248"> if (fs.exists(p)) {</span> |
| <span class="source-line-no">249</span><span id="line-249"> LOG.warn(f + " was not deleted");</span> |
| <span class="source-line-no">250</span><span id="line-250"> success = false;</span> |
| <span class="source-line-no">251</span><span id="line-251"> }</span> |
| <span class="source-line-no">252</span><span id="line-252"> } else {</span> |
| <span class="source-line-no">253</span><span id="line-253"> numDeleted++;</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 (IOException ioe) {</span> |
| <span class="source-line-no">256</span><span id="line-256"> LOG.warn(f + " was not deleted", ioe);</span> |
| <span class="source-line-no">257</span><span id="line-257"> success = false;</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"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">261</span><span id="line-261"> LOG.debug(numDeleted + " bulk loaded files out of " + map.size() + " were deleted");</span> |
| <span class="source-line-no">262</span><span id="line-262"> }</span> |
| <span class="source-line-no">263</span><span id="line-263"> if (success) {</span> |
| <span class="source-line-no">264</span><span id="line-264"> sysTable.deleteBulkLoadedRows(new ArrayList<>(map.keySet()));</span> |
| <span class="source-line-no">265</span><span id="line-265"> }</span> |
| <span class="source-line-no">266</span><span id="line-266"></span> |
| <span class="source-line-no">267</span><span id="line-267"> sysTable.deleteBackupInfo(backupInfo.getBackupId());</span> |
| <span class="source-line-no">268</span><span id="line-268"> LOG.info("Delete backup " + backupInfo.getBackupId() + " completed.");</span> |
| <span class="source-line-no">269</span><span id="line-269"> totalDeleted++;</span> |
| <span class="source-line-no">270</span><span id="line-270"> } else {</span> |
| <span class="source-line-no">271</span><span id="line-271"> LOG.warn("Delete backup failed: no information found for backupID=" + backupId);</span> |
| <span class="source-line-no">272</span><span id="line-272"> }</span> |
| <span class="source-line-no">273</span><span id="line-273"> return totalDeleted;</span> |
| <span class="source-line-no">274</span><span id="line-274"> }</span> |
| <span class="source-line-no">275</span><span id="line-275"></span> |
| <span class="source-line-no">276</span><span id="line-276"> private void removeTableFromBackupImage(BackupInfo info, TableName tn, BackupSystemTable sysTable)</span> |
| <span class="source-line-no">277</span><span id="line-277"> throws IOException {</span> |
| <span class="source-line-no">278</span><span id="line-278"> List<TableName> tables = info.getTableNames();</span> |
| <span class="source-line-no">279</span><span id="line-279"> LOG.debug(</span> |
| <span class="source-line-no">280</span><span id="line-280"> "Remove " + tn + " from " + info.getBackupId() + " tables=" + info.getTableListAsString());</span> |
| <span class="source-line-no">281</span><span id="line-281"> if (tables.contains(tn)) {</span> |
| <span class="source-line-no">282</span><span id="line-282"> tables.remove(tn);</span> |
| <span class="source-line-no">283</span><span id="line-283"></span> |
| <span class="source-line-no">284</span><span id="line-284"> if (tables.isEmpty()) {</span> |
| <span class="source-line-no">285</span><span id="line-285"> LOG.debug("Delete backup info " + info.getBackupId());</span> |
| <span class="source-line-no">286</span><span id="line-286"></span> |
| <span class="source-line-no">287</span><span id="line-287"> sysTable.deleteBackupInfo(info.getBackupId());</span> |
| <span class="source-line-no">288</span><span id="line-288"> // Idempotent operation</span> |
| <span class="source-line-no">289</span><span id="line-289"> BackupUtils.cleanupBackupData(info, conn.getConfiguration());</span> |
| <span class="source-line-no">290</span><span id="line-290"> } else {</span> |
| <span class="source-line-no">291</span><span id="line-291"> info.setTables(tables);</span> |
| <span class="source-line-no">292</span><span id="line-292"> sysTable.updateBackupInfo(info);</span> |
| <span class="source-line-no">293</span><span id="line-293"> // Now, clean up directory for table (idempotent)</span> |
| <span class="source-line-no">294</span><span id="line-294"> cleanupBackupDir(info, tn, conn.getConfiguration());</span> |
| <span class="source-line-no">295</span><span id="line-295"> }</span> |
| <span class="source-line-no">296</span><span id="line-296"> }</span> |
| <span class="source-line-no">297</span><span id="line-297"> }</span> |
| <span class="source-line-no">298</span><span id="line-298"></span> |
| <span class="source-line-no">299</span><span id="line-299"> private List<BackupInfo> getAffectedBackupSessions(BackupInfo backupInfo, TableName tn,</span> |
| <span class="source-line-no">300</span><span id="line-300"> BackupSystemTable table) throws IOException {</span> |
| <span class="source-line-no">301</span><span id="line-301"> LOG.debug("GetAffectedBackupInfos for: " + backupInfo.getBackupId() + " table=" + tn);</span> |
| <span class="source-line-no">302</span><span id="line-302"> long ts = backupInfo.getStartTs();</span> |
| <span class="source-line-no">303</span><span id="line-303"> List<BackupInfo> list = new ArrayList<>();</span> |
| <span class="source-line-no">304</span><span id="line-304"> List<BackupInfo> history = table.getBackupHistory(backupInfo.getBackupRootDir());</span> |
| <span class="source-line-no">305</span><span id="line-305"> // Scan from most recent to backupInfo</span> |
| <span class="source-line-no">306</span><span id="line-306"> // break when backupInfo reached</span> |
| <span class="source-line-no">307</span><span id="line-307"> for (BackupInfo info : history) {</span> |
| <span class="source-line-no">308</span><span id="line-308"> if (info.getStartTs() == ts) {</span> |
| <span class="source-line-no">309</span><span id="line-309"> break;</span> |
| <span class="source-line-no">310</span><span id="line-310"> }</span> |
| <span class="source-line-no">311</span><span id="line-311"> List<TableName> tables = info.getTableNames();</span> |
| <span class="source-line-no">312</span><span id="line-312"> if (tables.contains(tn)) {</span> |
| <span class="source-line-no">313</span><span id="line-313"> BackupType bt = info.getType();</span> |
| <span class="source-line-no">314</span><span id="line-314"> if (bt == BackupType.FULL) {</span> |
| <span class="source-line-no">315</span><span id="line-315"> // Clear list if we encounter FULL backup</span> |
| <span class="source-line-no">316</span><span id="line-316"> list.clear();</span> |
| <span class="source-line-no">317</span><span id="line-317"> } else {</span> |
| <span class="source-line-no">318</span><span id="line-318"> LOG.debug("GetAffectedBackupInfos for: " + backupInfo.getBackupId() + " table=" + tn</span> |
| <span class="source-line-no">319</span><span id="line-319"> + " added " + info.getBackupId() + " tables=" + info.getTableListAsString());</span> |
| <span class="source-line-no">320</span><span id="line-320"> list.add(info);</span> |
| <span class="source-line-no">321</span><span id="line-321"> }</span> |
| <span class="source-line-no">322</span><span id="line-322"> }</span> |
| <span class="source-line-no">323</span><span id="line-323"> }</span> |
| <span class="source-line-no">324</span><span id="line-324"> return list;</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"> /**</span> |
| <span class="source-line-no">328</span><span id="line-328"> * Clean up the data at target directory</span> |
| <span class="source-line-no">329</span><span id="line-329"> * @throws IOException if cleaning up the backup directory fails</span> |
| <span class="source-line-no">330</span><span id="line-330"> */</span> |
| <span class="source-line-no">331</span><span id="line-331"> private void cleanupBackupDir(BackupInfo backupInfo, TableName table, Configuration conf)</span> |
| <span class="source-line-no">332</span><span id="line-332"> throws IOException {</span> |
| <span class="source-line-no">333</span><span id="line-333"> try {</span> |
| <span class="source-line-no">334</span><span id="line-334"> // clean up the data at target directory</span> |
| <span class="source-line-no">335</span><span id="line-335"> String targetDir = backupInfo.getBackupRootDir();</span> |
| <span class="source-line-no">336</span><span id="line-336"> if (targetDir == null) {</span> |
| <span class="source-line-no">337</span><span id="line-337"> LOG.warn("No target directory specified for " + backupInfo.getBackupId());</span> |
| <span class="source-line-no">338</span><span id="line-338"> return;</span> |
| <span class="source-line-no">339</span><span id="line-339"> }</span> |
| <span class="source-line-no">340</span><span id="line-340"></span> |
| <span class="source-line-no">341</span><span id="line-341"> FileSystem outputFs = FileSystem.get(new Path(backupInfo.getBackupRootDir()).toUri(), conf);</span> |
| <span class="source-line-no">342</span><span id="line-342"></span> |
| <span class="source-line-no">343</span><span id="line-343"> Path targetDirPath = new Path(BackupUtils.getTableBackupDir(backupInfo.getBackupRootDir(),</span> |
| <span class="source-line-no">344</span><span id="line-344"> backupInfo.getBackupId(), table));</span> |
| <span class="source-line-no">345</span><span id="line-345"> if (outputFs.delete(targetDirPath, true)) {</span> |
| <span class="source-line-no">346</span><span id="line-346"> LOG.info("Cleaning up backup data at " + targetDirPath.toString() + " done.");</span> |
| <span class="source-line-no">347</span><span id="line-347"> } else {</span> |
| <span class="source-line-no">348</span><span id="line-348"> LOG.info("No data has been found in " + targetDirPath.toString() + ".");</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 e1) {</span> |
| <span class="source-line-no">351</span><span id="line-351"> LOG.error("Cleaning up backup data of " + backupInfo.getBackupId() + " for table " + table</span> |
| <span class="source-line-no">352</span><span id="line-352"> + "at " + backupInfo.getBackupRootDir() + " failed due to " + e1.getMessage() + ".");</span> |
| <span class="source-line-no">353</span><span id="line-353"> throw e1;</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"> private boolean isLastBackupSession(BackupSystemTable table, TableName tn, long startTime)</span> |
| <span class="source-line-no">358</span><span id="line-358"> throws IOException {</span> |
| <span class="source-line-no">359</span><span id="line-359"> List<BackupInfo> history = table.getBackupHistory();</span> |
| <span class="source-line-no">360</span><span id="line-360"> for (BackupInfo info : history) {</span> |
| <span class="source-line-no">361</span><span id="line-361"> List<TableName> tables = info.getTableNames();</span> |
| <span class="source-line-no">362</span><span id="line-362"> if (!tables.contains(tn)) {</span> |
| <span class="source-line-no">363</span><span id="line-363"> continue;</span> |
| <span class="source-line-no">364</span><span id="line-364"> }</span> |
| <span class="source-line-no">365</span><span id="line-365"> return info.getStartTs() <= startTime;</span> |
| <span class="source-line-no">366</span><span id="line-366"> }</span> |
| <span class="source-line-no">367</span><span id="line-367"> return false;</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"> @Override</span> |
| <span class="source-line-no">371</span><span id="line-371"> public List<BackupInfo> getHistory(int n) throws IOException {</span> |
| <span class="source-line-no">372</span><span id="line-372"> try (final BackupSystemTable table = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">373</span><span id="line-373"> List<BackupInfo> history = table.getBackupHistory();</span> |
| <span class="source-line-no">374</span><span id="line-374"></span> |
| <span class="source-line-no">375</span><span id="line-375"> if (history.size() <= n) {</span> |
| <span class="source-line-no">376</span><span id="line-376"> return history;</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"> List<BackupInfo> list = new ArrayList<>();</span> |
| <span class="source-line-no">380</span><span id="line-380"> for (int i = 0; i < n; i++) {</span> |
| <span class="source-line-no">381</span><span id="line-381"> list.add(history.get(i));</span> |
| <span class="source-line-no">382</span><span id="line-382"> }</span> |
| <span class="source-line-no">383</span><span id="line-383"> return list;</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> |
| <span class="source-line-no">386</span><span id="line-386"></span> |
| <span class="source-line-no">387</span><span id="line-387"> @Override</span> |
| <span class="source-line-no">388</span><span id="line-388"> public List<BackupInfo> getHistory(int n, BackupInfo.Filter... filters) throws IOException {</span> |
| <span class="source-line-no">389</span><span id="line-389"> if (filters.length == 0) {</span> |
| <span class="source-line-no">390</span><span id="line-390"> return getHistory(n);</span> |
| <span class="source-line-no">391</span><span id="line-391"> }</span> |
| <span class="source-line-no">392</span><span id="line-392"></span> |
| <span class="source-line-no">393</span><span id="line-393"> try (final BackupSystemTable table = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">394</span><span id="line-394"> List<BackupInfo> history = table.getBackupHistory();</span> |
| <span class="source-line-no">395</span><span id="line-395"> List<BackupInfo> result = new ArrayList<>();</span> |
| <span class="source-line-no">396</span><span id="line-396"> for (BackupInfo bi : history) {</span> |
| <span class="source-line-no">397</span><span id="line-397"> if (result.size() == n) {</span> |
| <span class="source-line-no">398</span><span id="line-398"> break;</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"> boolean passed = true;</span> |
| <span class="source-line-no">402</span><span id="line-402"> for (int i = 0; i < filters.length; i++) {</span> |
| <span class="source-line-no">403</span><span id="line-403"> if (!filters[i].apply(bi)) {</span> |
| <span class="source-line-no">404</span><span id="line-404"> passed = false;</span> |
| <span class="source-line-no">405</span><span id="line-405"> break;</span> |
| <span class="source-line-no">406</span><span id="line-406"> }</span> |
| <span class="source-line-no">407</span><span id="line-407"> }</span> |
| <span class="source-line-no">408</span><span id="line-408"> if (passed) {</span> |
| <span class="source-line-no">409</span><span id="line-409"> result.add(bi);</span> |
| <span class="source-line-no">410</span><span id="line-410"> }</span> |
| <span class="source-line-no">411</span><span id="line-411"> }</span> |
| <span class="source-line-no">412</span><span id="line-412"> return result;</span> |
| <span class="source-line-no">413</span><span id="line-413"> }</span> |
| <span class="source-line-no">414</span><span id="line-414"> }</span> |
| <span class="source-line-no">415</span><span id="line-415"></span> |
| <span class="source-line-no">416</span><span id="line-416"> @Override</span> |
| <span class="source-line-no">417</span><span id="line-417"> public List<BackupSet> listBackupSets() throws IOException {</span> |
| <span class="source-line-no">418</span><span id="line-418"> try (final BackupSystemTable table = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">419</span><span id="line-419"> List<String> list = table.listBackupSets();</span> |
| <span class="source-line-no">420</span><span id="line-420"> List<BackupSet> bslist = new ArrayList<>();</span> |
| <span class="source-line-no">421</span><span id="line-421"> for (String s : list) {</span> |
| <span class="source-line-no">422</span><span id="line-422"> List<TableName> tables = table.describeBackupSet(s);</span> |
| <span class="source-line-no">423</span><span id="line-423"> if (tables != null) {</span> |
| <span class="source-line-no">424</span><span id="line-424"> bslist.add(new BackupSet(s, tables));</span> |
| <span class="source-line-no">425</span><span id="line-425"> }</span> |
| <span class="source-line-no">426</span><span id="line-426"> }</span> |
| <span class="source-line-no">427</span><span id="line-427"> return bslist;</span> |
| <span class="source-line-no">428</span><span id="line-428"> }</span> |
| <span class="source-line-no">429</span><span id="line-429"> }</span> |
| <span class="source-line-no">430</span><span id="line-430"></span> |
| <span class="source-line-no">431</span><span id="line-431"> @Override</span> |
| <span class="source-line-no">432</span><span id="line-432"> public BackupSet getBackupSet(String name) throws IOException {</span> |
| <span class="source-line-no">433</span><span id="line-433"> try (final BackupSystemTable table = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">434</span><span id="line-434"> List<TableName> list = table.describeBackupSet(name);</span> |
| <span class="source-line-no">435</span><span id="line-435"></span> |
| <span class="source-line-no">436</span><span id="line-436"> if (list == null) {</span> |
| <span class="source-line-no">437</span><span id="line-437"> return null;</span> |
| <span class="source-line-no">438</span><span id="line-438"> }</span> |
| <span class="source-line-no">439</span><span id="line-439"></span> |
| <span class="source-line-no">440</span><span id="line-440"> return new BackupSet(name, list);</span> |
| <span class="source-line-no">441</span><span id="line-441"> }</span> |
| <span class="source-line-no">442</span><span id="line-442"> }</span> |
| <span class="source-line-no">443</span><span id="line-443"></span> |
| <span class="source-line-no">444</span><span id="line-444"> @Override</span> |
| <span class="source-line-no">445</span><span id="line-445"> public boolean deleteBackupSet(String name) throws IOException {</span> |
| <span class="source-line-no">446</span><span id="line-446"> try (final BackupSystemTable table = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">447</span><span id="line-447"> if (table.describeBackupSet(name) == null) {</span> |
| <span class="source-line-no">448</span><span id="line-448"> return false;</span> |
| <span class="source-line-no">449</span><span id="line-449"> }</span> |
| <span class="source-line-no">450</span><span id="line-450"> table.deleteBackupSet(name);</span> |
| <span class="source-line-no">451</span><span id="line-451"> return true;</span> |
| <span class="source-line-no">452</span><span id="line-452"> }</span> |
| <span class="source-line-no">453</span><span id="line-453"> }</span> |
| <span class="source-line-no">454</span><span id="line-454"></span> |
| <span class="source-line-no">455</span><span id="line-455"> @Override</span> |
| <span class="source-line-no">456</span><span id="line-456"> public void addToBackupSet(String name, TableName[] tables) throws IOException {</span> |
| <span class="source-line-no">457</span><span id="line-457"> String[] tableNames = new String[tables.length];</span> |
| <span class="source-line-no">458</span><span id="line-458"> try (final BackupSystemTable table = new BackupSystemTable(conn);</span> |
| <span class="source-line-no">459</span><span id="line-459"> final Admin admin = conn.getAdmin()) {</span> |
| <span class="source-line-no">460</span><span id="line-460"> for (int i = 0; i < tables.length; i++) {</span> |
| <span class="source-line-no">461</span><span id="line-461"> tableNames[i] = tables[i].getNameAsString();</span> |
| <span class="source-line-no">462</span><span id="line-462"> if (!admin.tableExists(TableName.valueOf(tableNames[i]))) {</span> |
| <span class="source-line-no">463</span><span id="line-463"> throw new IOException("Cannot add " + tableNames[i] + " because it doesn't exist");</span> |
| <span class="source-line-no">464</span><span id="line-464"> }</span> |
| <span class="source-line-no">465</span><span id="line-465"> }</span> |
| <span class="source-line-no">466</span><span id="line-466"> table.addToBackupSet(name, tableNames);</span> |
| <span class="source-line-no">467</span><span id="line-467"> LOG.info(</span> |
| <span class="source-line-no">468</span><span id="line-468"> "Added tables [" + StringUtils.join(tableNames, " ") + "] to '" + name + "' backup set");</span> |
| <span class="source-line-no">469</span><span id="line-469"> }</span> |
| <span class="source-line-no">470</span><span id="line-470"> }</span> |
| <span class="source-line-no">471</span><span id="line-471"></span> |
| <span class="source-line-no">472</span><span id="line-472"> @Override</span> |
| <span class="source-line-no">473</span><span id="line-473"> public void removeFromBackupSet(String name, TableName[] tables) throws IOException {</span> |
| <span class="source-line-no">474</span><span id="line-474"> LOG.info("Removing tables [" + StringUtils.join(tables, " ") + "] from '" + name + "'");</span> |
| <span class="source-line-no">475</span><span id="line-475"> try (final BackupSystemTable table = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">476</span><span id="line-476"> table.removeFromBackupSet(name, toStringArray(tables));</span> |
| <span class="source-line-no">477</span><span id="line-477"> LOG.info(</span> |
| <span class="source-line-no">478</span><span id="line-478"> "Removing tables [" + StringUtils.join(tables, " ") + "] from '" + name + "' completed.");</span> |
| <span class="source-line-no">479</span><span id="line-479"> }</span> |
| <span class="source-line-no">480</span><span id="line-480"> }</span> |
| <span class="source-line-no">481</span><span id="line-481"></span> |
| <span class="source-line-no">482</span><span id="line-482"> private String[] toStringArray(TableName[] list) {</span> |
| <span class="source-line-no">483</span><span id="line-483"> String[] arr = new String[list.length];</span> |
| <span class="source-line-no">484</span><span id="line-484"> for (int i = 0; i < list.length; i++) {</span> |
| <span class="source-line-no">485</span><span id="line-485"> arr[i] = list[i].toString();</span> |
| <span class="source-line-no">486</span><span id="line-486"> }</span> |
| <span class="source-line-no">487</span><span id="line-487"> return arr;</span> |
| <span class="source-line-no">488</span><span id="line-488"> }</span> |
| <span class="source-line-no">489</span><span id="line-489"></span> |
| <span class="source-line-no">490</span><span id="line-490"> @Override</span> |
| <span class="source-line-no">491</span><span id="line-491"> public void restore(RestoreRequest request) throws IOException {</span> |
| <span class="source-line-no">492</span><span id="line-492"> if (request.isCheck()) {</span> |
| <span class="source-line-no">493</span><span id="line-493"> // check and load backup image manifest for the tables</span> |
| <span class="source-line-no">494</span><span id="line-494"> Path rootPath = new Path(request.getBackupRootDir());</span> |
| <span class="source-line-no">495</span><span id="line-495"> String backupId = request.getBackupId();</span> |
| <span class="source-line-no">496</span><span id="line-496"> TableName[] sTableArray = request.getFromTables();</span> |
| <span class="source-line-no">497</span><span id="line-497"> BackupManifest manifest =</span> |
| <span class="source-line-no">498</span><span id="line-498"> HBackupFileSystem.getManifest(conn.getConfiguration(), rootPath, backupId);</span> |
| <span class="source-line-no">499</span><span id="line-499"></span> |
| <span class="source-line-no">500</span><span id="line-500"> // Check and validate the backup image and its dependencies</span> |
| <span class="source-line-no">501</span><span id="line-501"> if (BackupUtils.validate(Arrays.asList(sTableArray), manifest, conn.getConfiguration())) {</span> |
| <span class="source-line-no">502</span><span id="line-502"> LOG.info(CHECK_OK);</span> |
| <span class="source-line-no">503</span><span id="line-503"> } else {</span> |
| <span class="source-line-no">504</span><span id="line-504"> LOG.error(CHECK_FAILED);</span> |
| <span class="source-line-no">505</span><span id="line-505"> }</span> |
| <span class="source-line-no">506</span><span id="line-506"> return;</span> |
| <span class="source-line-no">507</span><span id="line-507"> }</span> |
| <span class="source-line-no">508</span><span id="line-508"> // Execute restore request</span> |
| <span class="source-line-no">509</span><span id="line-509"> new RestoreTablesClient(conn, request).execute();</span> |
| <span class="source-line-no">510</span><span id="line-510"> }</span> |
| <span class="source-line-no">511</span><span id="line-511"></span> |
| <span class="source-line-no">512</span><span id="line-512"> @Override</span> |
| <span class="source-line-no">513</span><span id="line-513"> public String backupTables(BackupRequest request) throws IOException {</span> |
| <span class="source-line-no">514</span><span id="line-514"> BackupType type = request.getBackupType();</span> |
| <span class="source-line-no">515</span><span id="line-515"> String targetRootDir = request.getTargetRootDir();</span> |
| <span class="source-line-no">516</span><span id="line-516"> List<TableName> tableList = request.getTableList();</span> |
| <span class="source-line-no">517</span><span id="line-517"></span> |
| <span class="source-line-no">518</span><span id="line-518"> String backupId = BackupRestoreConstants.BACKUPID_PREFIX + EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">519</span><span id="line-519"> if (type == BackupType.INCREMENTAL) {</span> |
| <span class="source-line-no">520</span><span id="line-520"> Set<TableName> incrTableSet;</span> |
| <span class="source-line-no">521</span><span id="line-521"> try (BackupSystemTable table = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">522</span><span id="line-522"> incrTableSet = table.getIncrementalBackupTableSet(targetRootDir);</span> |
| <span class="source-line-no">523</span><span id="line-523"> }</span> |
| <span class="source-line-no">524</span><span id="line-524"></span> |
| <span class="source-line-no">525</span><span id="line-525"> if (incrTableSet.isEmpty()) {</span> |
| <span class="source-line-no">526</span><span id="line-526"> String msg =</span> |
| <span class="source-line-no">527</span><span id="line-527"> "Incremental backup table set contains no tables. " + "You need to run full backup first "</span> |
| <span class="source-line-no">528</span><span id="line-528"> + (tableList != null ? "on " + StringUtils.join(tableList, ",") : "");</span> |
| <span class="source-line-no">529</span><span id="line-529"></span> |
| <span class="source-line-no">530</span><span id="line-530"> throw new IOException(msg);</span> |
| <span class="source-line-no">531</span><span id="line-531"> }</span> |
| <span class="source-line-no">532</span><span id="line-532"> if (tableList != null) {</span> |
| <span class="source-line-no">533</span><span id="line-533"> tableList.removeAll(incrTableSet);</span> |
| <span class="source-line-no">534</span><span id="line-534"> if (!tableList.isEmpty()) {</span> |
| <span class="source-line-no">535</span><span id="line-535"> String extraTables = StringUtils.join(tableList, ",");</span> |
| <span class="source-line-no">536</span><span id="line-536"> String msg = "Some tables (" + extraTables + ") haven't gone through full backup. "</span> |
| <span class="source-line-no">537</span><span id="line-537"> + "Perform full backup on " + extraTables + " first, " + "then retry the command";</span> |
| <span class="source-line-no">538</span><span id="line-538"> throw new IOException(msg);</span> |
| <span class="source-line-no">539</span><span id="line-539"> }</span> |
| <span class="source-line-no">540</span><span id="line-540"> }</span> |
| <span class="source-line-no">541</span><span id="line-541"> tableList = Lists.newArrayList(incrTableSet);</span> |
| <span class="source-line-no">542</span><span id="line-542"> }</span> |
| <span class="source-line-no">543</span><span id="line-543"> if (tableList != null && !tableList.isEmpty()) {</span> |
| <span class="source-line-no">544</span><span id="line-544"> for (TableName table : tableList) {</span> |
| <span class="source-line-no">545</span><span id="line-545"> String targetTableBackupDir =</span> |
| <span class="source-line-no">546</span><span id="line-546"> HBackupFileSystem.getTableBackupDir(targetRootDir, backupId, table);</span> |
| <span class="source-line-no">547</span><span id="line-547"> Path targetTableBackupDirPath = new Path(targetTableBackupDir);</span> |
| <span class="source-line-no">548</span><span id="line-548"> FileSystem outputFs =</span> |
| <span class="source-line-no">549</span><span id="line-549"> FileSystem.get(targetTableBackupDirPath.toUri(), conn.getConfiguration());</span> |
| <span class="source-line-no">550</span><span id="line-550"> if (outputFs.exists(targetTableBackupDirPath)) {</span> |
| <span class="source-line-no">551</span><span id="line-551"> throw new IOException(</span> |
| <span class="source-line-no">552</span><span id="line-552"> "Target backup directory " + targetTableBackupDir + " exists already.");</span> |
| <span class="source-line-no">553</span><span id="line-553"> }</span> |
| <span class="source-line-no">554</span><span id="line-554"> outputFs.mkdirs(targetTableBackupDirPath);</span> |
| <span class="source-line-no">555</span><span id="line-555"> }</span> |
| <span class="source-line-no">556</span><span id="line-556"> ArrayList<TableName> nonExistingTableList = null;</span> |
| <span class="source-line-no">557</span><span id="line-557"> try (Admin admin = conn.getAdmin()) {</span> |
| <span class="source-line-no">558</span><span id="line-558"> for (TableName tableName : tableList) {</span> |
| <span class="source-line-no">559</span><span id="line-559"> if (!admin.tableExists(tableName)) {</span> |
| <span class="source-line-no">560</span><span id="line-560"> if (nonExistingTableList == null) {</span> |
| <span class="source-line-no">561</span><span id="line-561"> nonExistingTableList = new ArrayList<>();</span> |
| <span class="source-line-no">562</span><span id="line-562"> }</span> |
| <span class="source-line-no">563</span><span id="line-563"> nonExistingTableList.add(tableName);</span> |
| <span class="source-line-no">564</span><span id="line-564"> }</span> |
| <span class="source-line-no">565</span><span id="line-565"> }</span> |
| <span class="source-line-no">566</span><span id="line-566"> }</span> |
| <span class="source-line-no">567</span><span id="line-567"> if (nonExistingTableList != null) {</span> |
| <span class="source-line-no">568</span><span id="line-568"> if (type == BackupType.INCREMENTAL) {</span> |
| <span class="source-line-no">569</span><span id="line-569"> // Update incremental backup set</span> |
| <span class="source-line-no">570</span><span id="line-570"> tableList = excludeNonExistingTables(tableList, nonExistingTableList);</span> |
| <span class="source-line-no">571</span><span id="line-571"> } else {</span> |
| <span class="source-line-no">572</span><span id="line-572"> // Throw exception only in full mode - we try to backup non-existing table</span> |
| <span class="source-line-no">573</span><span id="line-573"> throw new IOException(</span> |
| <span class="source-line-no">574</span><span id="line-574"> "Non-existing tables found in the table list: " + nonExistingTableList);</span> |
| <span class="source-line-no">575</span><span id="line-575"> }</span> |
| <span class="source-line-no">576</span><span id="line-576"> }</span> |
| <span class="source-line-no">577</span><span id="line-577"> }</span> |
| <span class="source-line-no">578</span><span id="line-578"></span> |
| <span class="source-line-no">579</span><span id="line-579"> // update table list</span> |
| <span class="source-line-no">580</span><span id="line-580"> BackupRequest.Builder builder = new BackupRequest.Builder();</span> |
| <span class="source-line-no">581</span><span id="line-581"> request = builder.withBackupType(request.getBackupType()).withTableList(tableList)</span> |
| <span class="source-line-no">582</span><span id="line-582"> .withTargetRootDir(request.getTargetRootDir()).withBackupSetName(request.getBackupSetName())</span> |
| <span class="source-line-no">583</span><span id="line-583"> .withTotalTasks(request.getTotalTasks()).withBandwidthPerTasks((int) request.getBandwidth())</span> |
| <span class="source-line-no">584</span><span id="line-584"> .withNoChecksumVerify(request.getNoChecksumVerify()).build();</span> |
| <span class="source-line-no">585</span><span id="line-585"></span> |
| <span class="source-line-no">586</span><span id="line-586"> TableBackupClient client;</span> |
| <span class="source-line-no">587</span><span id="line-587"> try {</span> |
| <span class="source-line-no">588</span><span id="line-588"> client = BackupClientFactory.create(conn, backupId, request);</span> |
| <span class="source-line-no">589</span><span id="line-589"> } catch (IOException e) {</span> |
| <span class="source-line-no">590</span><span id="line-590"> LOG.error("There is an active session already running");</span> |
| <span class="source-line-no">591</span><span id="line-591"> throw e;</span> |
| <span class="source-line-no">592</span><span id="line-592"> }</span> |
| <span class="source-line-no">593</span><span id="line-593"></span> |
| <span class="source-line-no">594</span><span id="line-594"> client.execute();</span> |
| <span class="source-line-no">595</span><span id="line-595"></span> |
| <span class="source-line-no">596</span><span id="line-596"> return backupId;</span> |
| <span class="source-line-no">597</span><span id="line-597"> }</span> |
| <span class="source-line-no">598</span><span id="line-598"></span> |
| <span class="source-line-no">599</span><span id="line-599"> private List<TableName> excludeNonExistingTables(List<TableName> tableList,</span> |
| <span class="source-line-no">600</span><span id="line-600"> List<TableName> nonExistingTableList) {</span> |
| <span class="source-line-no">601</span><span id="line-601"> for (TableName table : nonExistingTableList) {</span> |
| <span class="source-line-no">602</span><span id="line-602"> tableList.remove(table);</span> |
| <span class="source-line-no">603</span><span id="line-603"> }</span> |
| <span class="source-line-no">604</span><span id="line-604"> return tableList;</span> |
| <span class="source-line-no">605</span><span id="line-605"> }</span> |
| <span class="source-line-no">606</span><span id="line-606"></span> |
| <span class="source-line-no">607</span><span id="line-607"> @Override</span> |
| <span class="source-line-no">608</span><span id="line-608"> public void mergeBackups(String[] backupIds) throws IOException {</span> |
| <span class="source-line-no">609</span><span id="line-609"> try (final BackupSystemTable sysTable = new BackupSystemTable(conn)) {</span> |
| <span class="source-line-no">610</span><span id="line-610"> checkIfValidForMerge(backupIds, sysTable);</span> |
| <span class="source-line-no">611</span><span id="line-611"> // TODO run job on remote cluster</span> |
| <span class="source-line-no">612</span><span id="line-612"> BackupMergeJob job = BackupRestoreFactory.getBackupMergeJob(conn.getConfiguration());</span> |
| <span class="source-line-no">613</span><span id="line-613"> job.run(backupIds);</span> |
| <span class="source-line-no">614</span><span id="line-614"> }</span> |
| <span class="source-line-no">615</span><span id="line-615"> }</span> |
| <span class="source-line-no">616</span><span id="line-616"></span> |
| <span class="source-line-no">617</span><span id="line-617"> /**</span> |
| <span class="source-line-no">618</span><span id="line-618"> * Verifies that backup images are valid for merge.</span> |
| <span class="source-line-no">619</span><span id="line-619"> * <ul></span> |
| <span class="source-line-no">620</span><span id="line-620"> * <li>All backups MUST be in the same destination</span> |
| <span class="source-line-no">621</span><span id="line-621"> * <li>No FULL backups are allowed - only INCREMENTAL</span> |
| <span class="source-line-no">622</span><span id="line-622"> * <li>All backups must be in COMPLETE state</span> |
| <span class="source-line-no">623</span><span id="line-623"> * <li>No holes in backup list are allowed</span> |
| <span class="source-line-no">624</span><span id="line-624"> * </ul></span> |
| <span class="source-line-no">625</span><span id="line-625"> * <p></span> |
| <span class="source-line-no">626</span><span id="line-626"> * @param backupIds list of backup ids</span> |
| <span class="source-line-no">627</span><span id="line-627"> * @param table backup system table</span> |
| <span class="source-line-no">628</span><span id="line-628"> * @throws IOException if the backup image is not valid for merge</span> |
| <span class="source-line-no">629</span><span id="line-629"> */</span> |
| <span class="source-line-no">630</span><span id="line-630"> private void checkIfValidForMerge(String[] backupIds, BackupSystemTable table)</span> |
| <span class="source-line-no">631</span><span id="line-631"> throws IOException {</span> |
| <span class="source-line-no">632</span><span id="line-632"> String backupRoot = null;</span> |
| <span class="source-line-no">633</span><span id="line-633"></span> |
| <span class="source-line-no">634</span><span id="line-634"> final Set<TableName> allTables = new HashSet<>();</span> |
| <span class="source-line-no">635</span><span id="line-635"> final Set<String> allBackups = new HashSet<>();</span> |
| <span class="source-line-no">636</span><span id="line-636"> long minTime = Long.MAX_VALUE, maxTime = Long.MIN_VALUE;</span> |
| <span class="source-line-no">637</span><span id="line-637"> for (String backupId : backupIds) {</span> |
| <span class="source-line-no">638</span><span id="line-638"> BackupInfo bInfo = table.readBackupInfo(backupId);</span> |
| <span class="source-line-no">639</span><span id="line-639"> if (bInfo == null) {</span> |
| <span class="source-line-no">640</span><span id="line-640"> String msg = "Backup session " + backupId + " not found";</span> |
| <span class="source-line-no">641</span><span id="line-641"> throw new IOException(msg);</span> |
| <span class="source-line-no">642</span><span id="line-642"> }</span> |
| <span class="source-line-no">643</span><span id="line-643"> if (backupRoot == null) {</span> |
| <span class="source-line-no">644</span><span id="line-644"> backupRoot = bInfo.getBackupRootDir();</span> |
| <span class="source-line-no">645</span><span id="line-645"> } else if (!bInfo.getBackupRootDir().equals(backupRoot)) {</span> |
| <span class="source-line-no">646</span><span id="line-646"> throw new IOException("Found different backup destinations in a list of a backup sessions "</span> |
| <span class="source-line-no">647</span><span id="line-647"> + "\n1. " + backupRoot + "\n" + "2. " + bInfo.getBackupRootDir());</span> |
| <span class="source-line-no">648</span><span id="line-648"> }</span> |
| <span class="source-line-no">649</span><span id="line-649"> if (bInfo.getType() == BackupType.FULL) {</span> |
| <span class="source-line-no">650</span><span id="line-650"> throw new IOException("FULL backup image can not be merged for: \n" + bInfo);</span> |
| <span class="source-line-no">651</span><span id="line-651"> }</span> |
| <span class="source-line-no">652</span><span id="line-652"></span> |
| <span class="source-line-no">653</span><span id="line-653"> if (bInfo.getState() != BackupState.COMPLETE) {</span> |
| <span class="source-line-no">654</span><span id="line-654"> throw new IOException("Backup image " + backupId</span> |
| <span class="source-line-no">655</span><span id="line-655"> + " can not be merged becuase of its state: " + bInfo.getState());</span> |
| <span class="source-line-no">656</span><span id="line-656"> }</span> |
| <span class="source-line-no">657</span><span id="line-657"> allBackups.add(backupId);</span> |
| <span class="source-line-no">658</span><span id="line-658"> allTables.addAll(bInfo.getTableNames());</span> |
| <span class="source-line-no">659</span><span id="line-659"> long time = bInfo.getStartTs();</span> |
| <span class="source-line-no">660</span><span id="line-660"> if (time < minTime) {</span> |
| <span class="source-line-no">661</span><span id="line-661"> minTime = time;</span> |
| <span class="source-line-no">662</span><span id="line-662"> }</span> |
| <span class="source-line-no">663</span><span id="line-663"> if (time > maxTime) {</span> |
| <span class="source-line-no">664</span><span id="line-664"> maxTime = time;</span> |
| <span class="source-line-no">665</span><span id="line-665"> }</span> |
| <span class="source-line-no">666</span><span id="line-666"> }</span> |
| <span class="source-line-no">667</span><span id="line-667"></span> |
| <span class="source-line-no">668</span><span id="line-668"> final long startRangeTime = minTime;</span> |
| <span class="source-line-no">669</span><span id="line-669"> final long endRangeTime = maxTime;</span> |
| <span class="source-line-no">670</span><span id="line-670"> final String backupDest = backupRoot;</span> |
| <span class="source-line-no">671</span><span id="line-671"> // Check we have no 'holes' in backup id list</span> |
| <span class="source-line-no">672</span><span id="line-672"> // Filter 1 : backupRoot</span> |
| <span class="source-line-no">673</span><span id="line-673"> // Filter 2 : time range filter</span> |
| <span class="source-line-no">674</span><span id="line-674"> // Filter 3 : table filter</span> |
| <span class="source-line-no">675</span><span id="line-675"> BackupInfo.Filter destinationFilter = info -> info.getBackupRootDir().equals(backupDest);</span> |
| <span class="source-line-no">676</span><span id="line-676"></span> |
| <span class="source-line-no">677</span><span id="line-677"> BackupInfo.Filter timeRangeFilter = info -> {</span> |
| <span class="source-line-no">678</span><span id="line-678"> long time = info.getStartTs();</span> |
| <span class="source-line-no">679</span><span id="line-679"> return time >= startRangeTime && time <= endRangeTime;</span> |
| <span class="source-line-no">680</span><span id="line-680"> };</span> |
| <span class="source-line-no">681</span><span id="line-681"></span> |
| <span class="source-line-no">682</span><span id="line-682"> BackupInfo.Filter tableFilter = info -> {</span> |
| <span class="source-line-no">683</span><span id="line-683"> List<TableName> tables = info.getTableNames();</span> |
| <span class="source-line-no">684</span><span id="line-684"> return !Collections.disjoint(allTables, tables);</span> |
| <span class="source-line-no">685</span><span id="line-685"> };</span> |
| <span class="source-line-no">686</span><span id="line-686"></span> |
| <span class="source-line-no">687</span><span id="line-687"> BackupInfo.Filter typeFilter = info -> info.getType() == BackupType.INCREMENTAL;</span> |
| <span class="source-line-no">688</span><span id="line-688"> BackupInfo.Filter stateFilter = info -> info.getState() == BackupState.COMPLETE;</span> |
| <span class="source-line-no">689</span><span id="line-689"></span> |
| <span class="source-line-no">690</span><span id="line-690"> List<BackupInfo> allInfos = table.getBackupHistory(-1, destinationFilter, timeRangeFilter,</span> |
| <span class="source-line-no">691</span><span id="line-691"> tableFilter, typeFilter, stateFilter);</span> |
| <span class="source-line-no">692</span><span id="line-692"> if (allInfos.size() != allBackups.size()) {</span> |
| <span class="source-line-no">693</span><span id="line-693"> // Yes we have at least one hole in backup image sequence</span> |
| <span class="source-line-no">694</span><span id="line-694"> List<String> missingIds = new ArrayList<>();</span> |
| <span class="source-line-no">695</span><span id="line-695"> for (BackupInfo info : allInfos) {</span> |
| <span class="source-line-no">696</span><span id="line-696"> if (allBackups.contains(info.getBackupId())) {</span> |
| <span class="source-line-no">697</span><span id="line-697"> continue;</span> |
| <span class="source-line-no">698</span><span id="line-698"> }</span> |
| <span class="source-line-no">699</span><span id="line-699"> missingIds.add(info.getBackupId());</span> |
| <span class="source-line-no">700</span><span id="line-700"> }</span> |
| <span class="source-line-no">701</span><span id="line-701"> String errMsg =</span> |
| <span class="source-line-no">702</span><span id="line-702"> "Sequence of backup ids has 'holes'. The following backup images must be added:"</span> |
| <span class="source-line-no">703</span><span id="line-703"> + org.apache.hadoop.util.StringUtils.join(",", missingIds);</span> |
| <span class="source-line-no">704</span><span id="line-704"> throw new IOException(errMsg);</span> |
| <span class="source-line-no">705</span><span id="line-705"> }</span> |
| <span class="source-line-no">706</span><span id="line-706"> }</span> |
| <span class="source-line-no">707</span><span id="line-707">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
