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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.master.cleaner;<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.assertFalse;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.junit.Assert.assertTrue;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.conf.Configuration;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.hadoop.fs.FileStatus;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.fs.FileSystem;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.hadoop.fs.Path;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ChoreService;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.CoordinatedStateManager;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.Server;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.ServerName;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.TableName;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.AsyncClusterConnection;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.HFileLink;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.util.HFileArchiveUtil;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.junit.AfterClass;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.junit.BeforeClass;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.junit.ClassRule;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.junit.Rule;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.junit.Test;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.junit.experimental.categories.Category;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.junit.rules.TestName;<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span>/**<a name="line.54"></a>
<span class="sourceLineNo">055</span> * Test the HFileLink Cleaner. HFiles with links cannot be deleted until a link is present.<a name="line.55"></a>
<span class="sourceLineNo">056</span> */<a name="line.56"></a>
<span class="sourceLineNo">057</span>@Category({ MasterTests.class, MediumTests.class })<a name="line.57"></a>
<span class="sourceLineNo">058</span>public class TestHFileLinkCleaner {<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> @ClassRule<a name="line.60"></a>
<span class="sourceLineNo">061</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.61"></a>
<span class="sourceLineNo">062</span> HBaseClassTestRule.forClass(TestHFileLinkCleaner.class);<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span> private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.64"></a>
<span class="sourceLineNo">065</span><a name="line.65"></a>
<span class="sourceLineNo">066</span> private static DirScanPool POOL;<a name="line.66"></a>
<span class="sourceLineNo">067</span><a name="line.67"></a>
<span class="sourceLineNo">068</span> @Rule<a name="line.68"></a>
<span class="sourceLineNo">069</span> public TestName name = new TestName();<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
<span class="sourceLineNo">071</span> @BeforeClass<a name="line.71"></a>
<span class="sourceLineNo">072</span> public static void setUp() {<a name="line.72"></a>
<span class="sourceLineNo">073</span> POOL = new DirScanPool(TEST_UTIL.getConfiguration());<a name="line.73"></a>
<span class="sourceLineNo">074</span> }<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span> @AfterClass<a name="line.76"></a>
<span class="sourceLineNo">077</span> public static void tearDown() {<a name="line.77"></a>
<span class="sourceLineNo">078</span> POOL.shutdownNow();<a name="line.78"></a>
<span class="sourceLineNo">079</span> }<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span> @Test<a name="line.81"></a>
<span class="sourceLineNo">082</span> public void testHFileLinkCleaning() throws Exception {<a name="line.82"></a>
<span class="sourceLineNo">083</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.83"></a>
<span class="sourceLineNo">084</span> FSUtils.setRootDir(conf, TEST_UTIL.getDataTestDir());<a name="line.84"></a>
<span class="sourceLineNo">085</span> conf.set(HFileCleaner.MASTER_HFILE_CLEANER_PLUGINS, HFileLinkCleaner.class.getName());<a name="line.85"></a>
<span class="sourceLineNo">086</span> Path rootDir = FSUtils.getRootDir(conf);<a name="line.86"></a>
<span class="sourceLineNo">087</span> FileSystem fs = FileSystem.get(conf);<a name="line.87"></a>
<span class="sourceLineNo">088</span><a name="line.88"></a>
<span class="sourceLineNo">089</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.89"></a>
<span class="sourceLineNo">090</span> final TableName tableLinkName = TableName.valueOf(name.getMethodName() + "-link");<a name="line.90"></a>
<span class="sourceLineNo">091</span> final String hfileName = "1234567890";<a name="line.91"></a>
<span class="sourceLineNo">092</span> final String familyName = "cf";<a name="line.92"></a>
<span class="sourceLineNo">093</span><a name="line.93"></a>
<span class="sourceLineNo">094</span> RegionInfo hri = RegionInfoBuilder.newBuilder(tableName).build();<a name="line.94"></a>
<span class="sourceLineNo">095</span> RegionInfo hriLink = RegionInfoBuilder.newBuilder(tableLinkName).build();<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span> Path archiveDir = HFileArchiveUtil.getArchivePath(conf);<a name="line.97"></a>
<span class="sourceLineNo">098</span> Path archiveStoreDir = HFileArchiveUtil.getStoreArchivePath(conf,<a name="line.98"></a>
<span class="sourceLineNo">099</span> tableName, hri.getEncodedName(), familyName);<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span> // Create hfile /hbase/table-link/region/cf/getEncodedName.HFILE(conf);<a name="line.101"></a>
<span class="sourceLineNo">102</span> Path familyPath = getFamilyDirPath(archiveDir, tableName, hri.getEncodedName(), familyName);<a name="line.102"></a>
<span class="sourceLineNo">103</span> fs.mkdirs(familyPath);<a name="line.103"></a>
<span class="sourceLineNo">104</span> Path hfilePath = new Path(familyPath, hfileName);<a name="line.104"></a>
<span class="sourceLineNo">105</span> fs.createNewFile(hfilePath);<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> // Create link to hfile<a name="line.107"></a>
<span class="sourceLineNo">108</span> Path familyLinkPath =<a name="line.108"></a>
<span class="sourceLineNo">109</span> getFamilyDirPath(rootDir, tableLinkName, hriLink.getEncodedName(), familyName);<a name="line.109"></a>
<span class="sourceLineNo">110</span> fs.mkdirs(familyLinkPath);<a name="line.110"></a>
<span class="sourceLineNo">111</span> HFileLink.create(conf, fs, familyLinkPath, hri, hfileName);<a name="line.111"></a>
<span class="sourceLineNo">112</span> Path linkBackRefDir = HFileLink.getBackReferencesDir(archiveStoreDir, hfileName);<a name="line.112"></a>
<span class="sourceLineNo">113</span> assertTrue(fs.exists(linkBackRefDir));<a name="line.113"></a>
<span class="sourceLineNo">114</span> FileStatus[] backRefs = fs.listStatus(linkBackRefDir);<a name="line.114"></a>
<span class="sourceLineNo">115</span> assertEquals(1, backRefs.length);<a name="line.115"></a>
<span class="sourceLineNo">116</span> Path linkBackRef = backRefs[0].getPath();<a name="line.116"></a>
<span class="sourceLineNo">117</span><a name="line.117"></a>
<span class="sourceLineNo">118</span> // Initialize cleaner<a name="line.118"></a>
<span class="sourceLineNo">119</span> final long ttl = 1000;<a name="line.119"></a>
<span class="sourceLineNo">120</span> conf.setLong(TimeToLiveHFileCleaner.TTL_CONF_KEY, ttl);<a name="line.120"></a>
<span class="sourceLineNo">121</span> Server server = new DummyServer();<a name="line.121"></a>
<span class="sourceLineNo">122</span> HFileCleaner cleaner = new HFileCleaner(1000, server, conf, fs, archiveDir, POOL);<a name="line.122"></a>
<span class="sourceLineNo">123</span><a name="line.123"></a>
<span class="sourceLineNo">124</span> // Link backref cannot be removed<a name="line.124"></a>
<span class="sourceLineNo">125</span> cleaner.chore();<a name="line.125"></a>
<span class="sourceLineNo">126</span> assertTrue(fs.exists(linkBackRef));<a name="line.126"></a>
<span class="sourceLineNo">127</span> assertTrue(fs.exists(hfilePath));<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span> // Link backref can be removed<a name="line.129"></a>
<span class="sourceLineNo">130</span> fs.rename(FSUtils.getTableDir(rootDir, tableLinkName),<a name="line.130"></a>
<span class="sourceLineNo">131</span> FSUtils.getTableDir(archiveDir, tableLinkName));<a name="line.131"></a>
<span class="sourceLineNo">132</span> cleaner.chore();<a name="line.132"></a>
<span class="sourceLineNo">133</span> assertFalse("Link should be deleted", fs.exists(linkBackRef));<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span> // HFile can be removed<a name="line.135"></a>
<span class="sourceLineNo">136</span> Thread.sleep(ttl * 2);<a name="line.136"></a>
<span class="sourceLineNo">137</span> cleaner.chore();<a name="line.137"></a>
<span class="sourceLineNo">138</span> assertFalse("HFile should be deleted", fs.exists(hfilePath));<a name="line.138"></a>
<span class="sourceLineNo">139</span><a name="line.139"></a>
<span class="sourceLineNo">140</span> // Remove everything<a name="line.140"></a>
<span class="sourceLineNo">141</span> for (int i = 0; i &lt; 4; ++i) {<a name="line.141"></a>
<span class="sourceLineNo">142</span> Thread.sleep(ttl * 2);<a name="line.142"></a>
<span class="sourceLineNo">143</span> cleaner.chore();<a name="line.143"></a>
<span class="sourceLineNo">144</span> }<a name="line.144"></a>
<span class="sourceLineNo">145</span> assertFalse("HFile should be deleted", fs.exists(FSUtils.getTableDir(archiveDir, tableName)));<a name="line.145"></a>
<span class="sourceLineNo">146</span> assertFalse("Link should be deleted", fs.exists(FSUtils.getTableDir(archiveDir, tableLinkName)));<a name="line.146"></a>
<span class="sourceLineNo">147</span> }<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span> private static Path getFamilyDirPath (final Path rootDir, final TableName table,<a name="line.149"></a>
<span class="sourceLineNo">150</span> final String region, final String family) {<a name="line.150"></a>
<span class="sourceLineNo">151</span> return new Path(new Path(FSUtils.getTableDir(rootDir, table), region), family);<a name="line.151"></a>
<span class="sourceLineNo">152</span> }<a name="line.152"></a>
<span class="sourceLineNo">153</span><a name="line.153"></a>
<span class="sourceLineNo">154</span> static class DummyServer implements Server {<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span> @Override<a name="line.156"></a>
<span class="sourceLineNo">157</span> public Configuration getConfiguration() {<a name="line.157"></a>
<span class="sourceLineNo">158</span> return TEST_UTIL.getConfiguration();<a name="line.158"></a>
<span class="sourceLineNo">159</span> }<a name="line.159"></a>
<span class="sourceLineNo">160</span><a name="line.160"></a>
<span class="sourceLineNo">161</span> @Override<a name="line.161"></a>
<span class="sourceLineNo">162</span> public ZKWatcher getZooKeeper() {<a name="line.162"></a>
<span class="sourceLineNo">163</span> try {<a name="line.163"></a>
<span class="sourceLineNo">164</span> return new ZKWatcher(getConfiguration(), "dummy server", this);<a name="line.164"></a>
<span class="sourceLineNo">165</span> } catch (IOException e) {<a name="line.165"></a>
<span class="sourceLineNo">166</span> e.printStackTrace();<a name="line.166"></a>
<span class="sourceLineNo">167</span> }<a name="line.167"></a>
<span class="sourceLineNo">168</span> return null;<a name="line.168"></a>
<span class="sourceLineNo">169</span> }<a name="line.169"></a>
<span class="sourceLineNo">170</span><a name="line.170"></a>
<span class="sourceLineNo">171</span> @Override<a name="line.171"></a>
<span class="sourceLineNo">172</span> public CoordinatedStateManager getCoordinatedStateManager() {<a name="line.172"></a>
<span class="sourceLineNo">173</span> return null;<a name="line.173"></a>
<span class="sourceLineNo">174</span> }<a name="line.174"></a>
<span class="sourceLineNo">175</span><a name="line.175"></a>
<span class="sourceLineNo">176</span> @Override<a name="line.176"></a>
<span class="sourceLineNo">177</span> public Connection getConnection() {<a name="line.177"></a>
<span class="sourceLineNo">178</span> return null;<a name="line.178"></a>
<span class="sourceLineNo">179</span> }<a name="line.179"></a>
<span class="sourceLineNo">180</span><a name="line.180"></a>
<span class="sourceLineNo">181</span> @Override<a name="line.181"></a>
<span class="sourceLineNo">182</span> public ServerName getServerName() {<a name="line.182"></a>
<span class="sourceLineNo">183</span> return ServerName.valueOf("regionserver,60020,000000");<a name="line.183"></a>
<span class="sourceLineNo">184</span> }<a name="line.184"></a>
<span class="sourceLineNo">185</span><a name="line.185"></a>
<span class="sourceLineNo">186</span> @Override<a name="line.186"></a>
<span class="sourceLineNo">187</span> public void abort(String why, Throwable e) {}<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span> @Override<a name="line.189"></a>
<span class="sourceLineNo">190</span> public boolean isAborted() {<a name="line.190"></a>
<span class="sourceLineNo">191</span> return false;<a name="line.191"></a>
<span class="sourceLineNo">192</span> }<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span> @Override<a name="line.194"></a>
<span class="sourceLineNo">195</span> public void stop(String why) {}<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span> @Override<a name="line.197"></a>
<span class="sourceLineNo">198</span> public boolean isStopped() {<a name="line.198"></a>
<span class="sourceLineNo">199</span> return false;<a name="line.199"></a>
<span class="sourceLineNo">200</span> }<a name="line.200"></a>
<span class="sourceLineNo">201</span><a name="line.201"></a>
<span class="sourceLineNo">202</span> @Override<a name="line.202"></a>
<span class="sourceLineNo">203</span> public ChoreService getChoreService() {<a name="line.203"></a>
<span class="sourceLineNo">204</span> return null;<a name="line.204"></a>
<span class="sourceLineNo">205</span> }<a name="line.205"></a>
<span class="sourceLineNo">206</span> @Override<a name="line.206"></a>
<span class="sourceLineNo">207</span> public FileSystem getFileSystem() {<a name="line.207"></a>
<span class="sourceLineNo">208</span> return null;<a name="line.208"></a>
<span class="sourceLineNo">209</span> }<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span> @Override<a name="line.211"></a>
<span class="sourceLineNo">212</span> public boolean isStopping() {<a name="line.212"></a>
<span class="sourceLineNo">213</span> return false;<a name="line.213"></a>
<span class="sourceLineNo">214</span> }<a name="line.214"></a>
<span class="sourceLineNo">215</span><a name="line.215"></a>
<span class="sourceLineNo">216</span> @Override<a name="line.216"></a>
<span class="sourceLineNo">217</span> public Connection createConnection(Configuration conf) throws IOException {<a name="line.217"></a>
<span class="sourceLineNo">218</span> return null;<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> @Override<a name="line.221"></a>
<span class="sourceLineNo">222</span> public AsyncClusterConnection getAsyncClusterConnection() {<a name="line.222"></a>
<span class="sourceLineNo">223</span> return null;<a name="line.223"></a>
<span class="sourceLineNo">224</span> }<a name="line.224"></a>
<span class="sourceLineNo">225</span> }<a name="line.225"></a>
<span class="sourceLineNo">226</span>}<a name="line.226"></a>
</pre>
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