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<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.util;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.junit.Assert.assertNull;<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.ArrayList;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Arrays;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.Collections;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a>
<span class="sourceLineNo">028</span><a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FileStatus;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FileSystem;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.Path;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.regionserver.Store;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.slf4j.Logger;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.slf4j.LoggerFactory;<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span>/**<a name="line.39"></a>
<span class="sourceLineNo">040</span> * Test helper for testing archiving of HFiles<a name="line.40"></a>
<span class="sourceLineNo">041</span> */<a name="line.41"></a>
<span class="sourceLineNo">042</span>public class HFileArchiveTestingUtil {<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span> private static final Logger LOG = LoggerFactory.getLogger(HFileArchiveTestingUtil.class);<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span> private HFileArchiveTestingUtil() {<a name="line.46"></a>
<span class="sourceLineNo">047</span> // NOOP private ctor since this is just a utility class<a name="line.47"></a>
<span class="sourceLineNo">048</span> }<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span> public static boolean compareArchiveToOriginal(FileStatus[] previous, FileStatus[] archived,<a name="line.50"></a>
<span class="sourceLineNo">051</span> FileSystem fs, boolean hasTimedBackup) {<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span> List&lt;List&lt;String&gt;&gt; lists = getFileLists(previous, archived);<a name="line.53"></a>
<span class="sourceLineNo">054</span> List&lt;String&gt; original = lists.get(0);<a name="line.54"></a>
<span class="sourceLineNo">055</span> Collections.sort(original);<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span> List&lt;String&gt; currentFiles = lists.get(1);<a name="line.57"></a>
<span class="sourceLineNo">058</span> Collections.sort(currentFiles);<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> List&lt;String&gt; backedup = lists.get(2);<a name="line.60"></a>
<span class="sourceLineNo">061</span> Collections.sort(backedup);<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span> // check the backed up files versus the current (should match up, less the<a name="line.63"></a>
<span class="sourceLineNo">064</span> // backup time in the name)<a name="line.64"></a>
<span class="sourceLineNo">065</span> if (!hasTimedBackup == (backedup.size() &gt; 0)) {<a name="line.65"></a>
<span class="sourceLineNo">066</span> LOG.debug("backedup files doesn't match expected.");<a name="line.66"></a>
<span class="sourceLineNo">067</span> return false;<a name="line.67"></a>
<span class="sourceLineNo">068</span> }<a name="line.68"></a>
<span class="sourceLineNo">069</span> String msg = null;<a name="line.69"></a>
<span class="sourceLineNo">070</span> if (hasTimedBackup) {<a name="line.70"></a>
<span class="sourceLineNo">071</span> msg = assertArchiveEquality(original, backedup);<a name="line.71"></a>
<span class="sourceLineNo">072</span> if (msg != null) {<a name="line.72"></a>
<span class="sourceLineNo">073</span> LOG.debug(msg);<a name="line.73"></a>
<span class="sourceLineNo">074</span> return false;<a name="line.74"></a>
<span class="sourceLineNo">075</span> }<a name="line.75"></a>
<span class="sourceLineNo">076</span> }<a name="line.76"></a>
<span class="sourceLineNo">077</span> msg = assertArchiveEquality(original, currentFiles);<a name="line.77"></a>
<span class="sourceLineNo">078</span> if (msg != null) {<a name="line.78"></a>
<span class="sourceLineNo">079</span> LOG.debug(msg);<a name="line.79"></a>
<span class="sourceLineNo">080</span> return false;<a name="line.80"></a>
<span class="sourceLineNo">081</span> }<a name="line.81"></a>
<span class="sourceLineNo">082</span> return true;<a name="line.82"></a>
<span class="sourceLineNo">083</span> }<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span> /**<a name="line.85"></a>
<span class="sourceLineNo">086</span> * Compare the archived files to the files in the original directory<a name="line.86"></a>
<span class="sourceLineNo">087</span> * @param expected original files that should have been archived<a name="line.87"></a>
<span class="sourceLineNo">088</span> * @param actual files that were archived<a name="line.88"></a>
<span class="sourceLineNo">089</span> * @param fs filessystem on which the archiving took place<a name="line.89"></a>
<span class="sourceLineNo">090</span> * @throws IOException<a name="line.90"></a>
<span class="sourceLineNo">091</span> */<a name="line.91"></a>
<span class="sourceLineNo">092</span> public static void assertArchiveEqualToOriginal(FileStatus[] expected, FileStatus[] actual,<a name="line.92"></a>
<span class="sourceLineNo">093</span> FileSystem fs) throws IOException {<a name="line.93"></a>
<span class="sourceLineNo">094</span> assertArchiveEqualToOriginal(expected, actual, fs, false);<a name="line.94"></a>
<span class="sourceLineNo">095</span> }<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span> /**<a name="line.97"></a>
<span class="sourceLineNo">098</span> * Compare the archived files to the files in the original directory<a name="line.98"></a>
<span class="sourceLineNo">099</span> * @param expected original files that should have been archived<a name="line.99"></a>
<span class="sourceLineNo">100</span> * @param actual files that were archived<a name="line.100"></a>
<span class="sourceLineNo">101</span> * @param fs {@link FileSystem} on which the archiving took place<a name="line.101"></a>
<span class="sourceLineNo">102</span> * @param hasTimedBackup &lt;tt&gt;true&lt;/tt&gt; if we expect to find an archive backup directory with a<a name="line.102"></a>
<span class="sourceLineNo">103</span> * copy of the files in the archive directory (and the original files).<a name="line.103"></a>
<span class="sourceLineNo">104</span> * @throws IOException<a name="line.104"></a>
<span class="sourceLineNo">105</span> */<a name="line.105"></a>
<span class="sourceLineNo">106</span> public static void assertArchiveEqualToOriginal(FileStatus[] expected, FileStatus[] actual,<a name="line.106"></a>
<span class="sourceLineNo">107</span> FileSystem fs, boolean hasTimedBackup) throws IOException {<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span> List&lt;List&lt;String&gt;&gt; lists = getFileLists(expected, actual);<a name="line.109"></a>
<span class="sourceLineNo">110</span> List&lt;String&gt; original = lists.get(0);<a name="line.110"></a>
<span class="sourceLineNo">111</span> Collections.sort(original);<a name="line.111"></a>
<span class="sourceLineNo">112</span><a name="line.112"></a>
<span class="sourceLineNo">113</span> List&lt;String&gt; currentFiles = lists.get(1);<a name="line.113"></a>
<span class="sourceLineNo">114</span> Collections.sort(currentFiles);<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span> List&lt;String&gt; backedup = lists.get(2);<a name="line.116"></a>
<span class="sourceLineNo">117</span> Collections.sort(backedup);<a name="line.117"></a>
<span class="sourceLineNo">118</span><a name="line.118"></a>
<span class="sourceLineNo">119</span> // check the backed up files versus the current (should match up, less the<a name="line.119"></a>
<span class="sourceLineNo">120</span> // backup time in the name)<a name="line.120"></a>
<span class="sourceLineNo">121</span> assertEquals("Didn't expect any backup files, but got: " + backedup, hasTimedBackup,<a name="line.121"></a>
<span class="sourceLineNo">122</span> backedup.size() &gt; 0);<a name="line.122"></a>
<span class="sourceLineNo">123</span> String msg = null;<a name="line.123"></a>
<span class="sourceLineNo">124</span> if (hasTimedBackup) {<a name="line.124"></a>
<span class="sourceLineNo">125</span> assertArchiveEquality(original, backedup);<a name="line.125"></a>
<span class="sourceLineNo">126</span> assertNull(msg, msg);<a name="line.126"></a>
<span class="sourceLineNo">127</span> }<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span> // do the rest of the comparison<a name="line.129"></a>
<span class="sourceLineNo">130</span> msg = assertArchiveEquality(original, currentFiles);<a name="line.130"></a>
<span class="sourceLineNo">131</span> assertNull(msg, msg);<a name="line.131"></a>
<span class="sourceLineNo">132</span> }<a name="line.132"></a>
<span class="sourceLineNo">133</span><a name="line.133"></a>
<span class="sourceLineNo">134</span> private static String assertArchiveEquality(List&lt;String&gt; expected, List&lt;String&gt; archived) {<a name="line.134"></a>
<span class="sourceLineNo">135</span> String compare = compareFileLists(expected, archived);<a name="line.135"></a>
<span class="sourceLineNo">136</span> if (!(expected.size() == archived.size())) return "Not the same number of current files\n"<a name="line.136"></a>
<span class="sourceLineNo">137</span> + compare;<a name="line.137"></a>
<span class="sourceLineNo">138</span> if (!expected.equals(archived)) return "Different backup files, but same amount\n" + compare;<a name="line.138"></a>
<span class="sourceLineNo">139</span> return null;<a name="line.139"></a>
<span class="sourceLineNo">140</span> }<a name="line.140"></a>
<span class="sourceLineNo">141</span><a name="line.141"></a>
<span class="sourceLineNo">142</span> /**<a name="line.142"></a>
<span class="sourceLineNo">143</span> * @return &amp;lt;expected, gotten, backup&amp;gt;, where each is sorted<a name="line.143"></a>
<span class="sourceLineNo">144</span> */<a name="line.144"></a>
<span class="sourceLineNo">145</span> private static List&lt;List&lt;String&gt;&gt; getFileLists(FileStatus[] previous, FileStatus[] archived) {<a name="line.145"></a>
<span class="sourceLineNo">146</span> List&lt;List&lt;String&gt;&gt; files = new ArrayList&lt;&gt;(3);<a name="line.146"></a>
<span class="sourceLineNo">147</span><a name="line.147"></a>
<span class="sourceLineNo">148</span> // copy over the original files<a name="line.148"></a>
<span class="sourceLineNo">149</span> List&lt;String&gt; originalFileNames = convertToString(previous);<a name="line.149"></a>
<span class="sourceLineNo">150</span> files.add(originalFileNames);<a name="line.150"></a>
<span class="sourceLineNo">151</span><a name="line.151"></a>
<span class="sourceLineNo">152</span> List&lt;String&gt; currentFiles = new ArrayList&lt;&gt;(previous.length);<a name="line.152"></a>
<span class="sourceLineNo">153</span> List&lt;FileStatus&gt; backedupFiles = new ArrayList&lt;&gt;(previous.length);<a name="line.153"></a>
<span class="sourceLineNo">154</span> for (FileStatus f : archived) {<a name="line.154"></a>
<span class="sourceLineNo">155</span> String name = f.getPath().getName();<a name="line.155"></a>
<span class="sourceLineNo">156</span> // if the file has been backed up<a name="line.156"></a>
<span class="sourceLineNo">157</span> if (name.contains(".")) {<a name="line.157"></a>
<span class="sourceLineNo">158</span> Path parent = f.getPath().getParent();<a name="line.158"></a>
<span class="sourceLineNo">159</span> String shortName = name.split("[.]")[0];<a name="line.159"></a>
<span class="sourceLineNo">160</span> Path modPath = new Path(parent, shortName);<a name="line.160"></a>
<span class="sourceLineNo">161</span> FileStatus file = new FileStatus(f.getLen(), f.isDirectory(), f.getReplication(),<a name="line.161"></a>
<span class="sourceLineNo">162</span> f.getBlockSize(), f.getModificationTime(), modPath);<a name="line.162"></a>
<span class="sourceLineNo">163</span> backedupFiles.add(file);<a name="line.163"></a>
<span class="sourceLineNo">164</span> } else {<a name="line.164"></a>
<span class="sourceLineNo">165</span> // otherwise, add it to the list to compare to the original store files<a name="line.165"></a>
<span class="sourceLineNo">166</span> currentFiles.add(name);<a name="line.166"></a>
<span class="sourceLineNo">167</span> }<a name="line.167"></a>
<span class="sourceLineNo">168</span> }<a name="line.168"></a>
<span class="sourceLineNo">169</span><a name="line.169"></a>
<span class="sourceLineNo">170</span> files.add(currentFiles);<a name="line.170"></a>
<span class="sourceLineNo">171</span> files.add(convertToString(backedupFiles));<a name="line.171"></a>
<span class="sourceLineNo">172</span> return files;<a name="line.172"></a>
<span class="sourceLineNo">173</span> }<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span> private static List&lt;String&gt; convertToString(FileStatus[] files) {<a name="line.175"></a>
<span class="sourceLineNo">176</span> return convertToString(Arrays.asList(files));<a name="line.176"></a>
<span class="sourceLineNo">177</span> }<a name="line.177"></a>
<span class="sourceLineNo">178</span><a name="line.178"></a>
<span class="sourceLineNo">179</span> private static List&lt;String&gt; convertToString(List&lt;FileStatus&gt; files) {<a name="line.179"></a>
<span class="sourceLineNo">180</span> List&lt;String&gt; originalFileNames = new ArrayList&lt;&gt;(files.size());<a name="line.180"></a>
<span class="sourceLineNo">181</span> for (FileStatus f : files) {<a name="line.181"></a>
<span class="sourceLineNo">182</span> originalFileNames.add(f.getPath().getName());<a name="line.182"></a>
<span class="sourceLineNo">183</span> }<a name="line.183"></a>
<span class="sourceLineNo">184</span> return originalFileNames;<a name="line.184"></a>
<span class="sourceLineNo">185</span> }<a name="line.185"></a>
<span class="sourceLineNo">186</span><a name="line.186"></a>
<span class="sourceLineNo">187</span> /* Get a pretty representation of the differences */<a name="line.187"></a>
<span class="sourceLineNo">188</span> private static String compareFileLists(List&lt;String&gt; expected, List&lt;String&gt; gotten) {<a name="line.188"></a>
<span class="sourceLineNo">189</span> StringBuilder sb = new StringBuilder("Expected (" + expected.size() + "): \t\t Gotten ("<a name="line.189"></a>
<span class="sourceLineNo">190</span> + gotten.size() + "):\n");<a name="line.190"></a>
<span class="sourceLineNo">191</span> List&lt;String&gt; notFound = new ArrayList&lt;&gt;();<a name="line.191"></a>
<span class="sourceLineNo">192</span> for (String s : expected) {<a name="line.192"></a>
<span class="sourceLineNo">193</span> if (gotten.contains(s)) sb.append(s + "\t\t" + s + "\n");<a name="line.193"></a>
<span class="sourceLineNo">194</span> else notFound.add(s);<a name="line.194"></a>
<span class="sourceLineNo">195</span> }<a name="line.195"></a>
<span class="sourceLineNo">196</span> sb.append("Not Found:\n");<a name="line.196"></a>
<span class="sourceLineNo">197</span> for (String s : notFound) {<a name="line.197"></a>
<span class="sourceLineNo">198</span> sb.append(s + "\n");<a name="line.198"></a>
<span class="sourceLineNo">199</span> }<a name="line.199"></a>
<span class="sourceLineNo">200</span> sb.append("\nExtra:\n");<a name="line.200"></a>
<span class="sourceLineNo">201</span> for (String s : gotten) {<a name="line.201"></a>
<span class="sourceLineNo">202</span> if (!expected.contains(s)) sb.append(s + "\n");<a name="line.202"></a>
<span class="sourceLineNo">203</span> }<a name="line.203"></a>
<span class="sourceLineNo">204</span> return sb.toString();<a name="line.204"></a>
<span class="sourceLineNo">205</span> }<a name="line.205"></a>
<span class="sourceLineNo">206</span><a name="line.206"></a>
<span class="sourceLineNo">207</span> /**<a name="line.207"></a>
<span class="sourceLineNo">208</span> * Helper method to get the archive directory for the specified region<a name="line.208"></a>
<span class="sourceLineNo">209</span> * @param conf {@link Configuration} to check for the name of the archive directory<a name="line.209"></a>
<span class="sourceLineNo">210</span> * @param region region that is being archived<a name="line.210"></a>
<span class="sourceLineNo">211</span> * @return {@link Path} to the archive directory for the given region<a name="line.211"></a>
<span class="sourceLineNo">212</span> */<a name="line.212"></a>
<span class="sourceLineNo">213</span> public static Path getRegionArchiveDir(Configuration conf, HRegion region) throws IOException {<a name="line.213"></a>
<span class="sourceLineNo">214</span> return HFileArchiveUtil.getRegionArchiveDir(<a name="line.214"></a>
<span class="sourceLineNo">215</span> FSUtils.getRootDir(conf),<a name="line.215"></a>
<span class="sourceLineNo">216</span> region.getTableDescriptor().getTableName(),<a name="line.216"></a>
<span class="sourceLineNo">217</span> region.getRegionInfo().getEncodedName());<a name="line.217"></a>
<span class="sourceLineNo">218</span> }<a name="line.218"></a>
<span class="sourceLineNo">219</span><a name="line.219"></a>
<span class="sourceLineNo">220</span> /**<a name="line.220"></a>
<span class="sourceLineNo">221</span> * Helper method to get the store archive directory for the specified region<a name="line.221"></a>
<span class="sourceLineNo">222</span> * @param conf {@link Configuration} to check for the name of the archive directory<a name="line.222"></a>
<span class="sourceLineNo">223</span> * @param region region that is being archived<a name="line.223"></a>
<span class="sourceLineNo">224</span> * @param store store that is archiving files<a name="line.224"></a>
<span class="sourceLineNo">225</span> * @return {@link Path} to the store archive directory for the given region<a name="line.225"></a>
<span class="sourceLineNo">226</span> */<a name="line.226"></a>
<span class="sourceLineNo">227</span> public static Path getStoreArchivePath(Configuration conf, HRegion region, Store store)<a name="line.227"></a>
<span class="sourceLineNo">228</span> throws IOException {<a name="line.228"></a>
<span class="sourceLineNo">229</span> return HFileArchiveUtil.getStoreArchivePath(conf, region.getRegionInfo(),<a name="line.229"></a>
<span class="sourceLineNo">230</span> region.getRegionFileSystem().getTableDir(), store.getColumnFamilyDescriptor().getName());<a name="line.230"></a>
<span class="sourceLineNo">231</span> }<a name="line.231"></a>
<span class="sourceLineNo">232</span><a name="line.232"></a>
<span class="sourceLineNo">233</span> public static Path getStoreArchivePath(HBaseTestingUtility util, String tableName,<a name="line.233"></a>
<span class="sourceLineNo">234</span> byte[] storeName) throws IOException {<a name="line.234"></a>
<span class="sourceLineNo">235</span> byte[] table = Bytes.toBytes(tableName);<a name="line.235"></a>
<span class="sourceLineNo">236</span> // get the RS and region serving our table<a name="line.236"></a>
<span class="sourceLineNo">237</span> List&lt;HRegion&gt; servingRegions = util.getHBaseCluster().getRegions(table);<a name="line.237"></a>
<span class="sourceLineNo">238</span> HRegion region = servingRegions.get(0);<a name="line.238"></a>
<span class="sourceLineNo">239</span><a name="line.239"></a>
<span class="sourceLineNo">240</span> // check that we actually have some store files that were archived<a name="line.240"></a>
<span class="sourceLineNo">241</span> Store store = region.getStore(storeName);<a name="line.241"></a>
<span class="sourceLineNo">242</span> return HFileArchiveTestingUtil.getStoreArchivePath(util.getConfiguration(), region, store);<a name="line.242"></a>
<span class="sourceLineNo">243</span> }<a name="line.243"></a>
<span class="sourceLineNo">244</span>}<a name="line.244"></a>
</pre>
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