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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.snapshot;<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.assertTrue;<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.List;<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.FileSystem;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.fs.LocatedFileStatus;<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.fs.RemoteIterator;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HConstants;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.TableName;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.Table;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.HFileLink;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.mob.MobUtils;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.monitoring.MonitoredTask;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.regionserver.StoreFileInfo;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils.SnapshotMock;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.FSTableDescriptors;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.wal.WALSplitUtil;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.junit.After;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.junit.AfterClass;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.junit.Assert;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.junit.Before;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.junit.BeforeClass;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.junit.ClassRule;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.junit.Test;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.junit.experimental.categories.Category;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.mockito.Mockito;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.slf4j.Logger;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.slf4j.LoggerFactory;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span>/**<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * Test the restore/clone operation from a file-system point of view.<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> */<a name="line.66"></a> |
| <span class="sourceLineNo">067</span>@Category({ RegionServerTests.class, MediumTests.class })<a name="line.67"></a> |
| <span class="sourceLineNo">068</span>public class TestRestoreSnapshotHelper {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> @ClassRule<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> HBaseClassTestRule.forClass(TestRestoreSnapshotHelper.class);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static final Logger LOG = LoggerFactory.getLogger(TestRestoreSnapshotHelper.class);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> protected final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> protected final static String TEST_HFILE = "abc";<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> protected Configuration conf;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> protected Path archiveDir;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> protected FileSystem fs;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> protected Path rootDir;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> protected void setupConf(Configuration conf) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> @BeforeClass<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public static void setupCluster() throws Exception {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> TEST_UTIL.startMiniCluster();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> }<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> @AfterClass<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> public static void tearDownCluster() throws Exception {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> TEST_UTIL.shutdownMiniCluster();<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> @Before<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> public void setup() throws Exception {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> rootDir = TEST_UTIL.getDataTestDir("testRestore");<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> archiveDir = new Path(rootDir, HConstants.HFILE_ARCHIVE_DIRECTORY);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> fs = TEST_UTIL.getTestFileSystem();<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> conf = TEST_UTIL.getConfiguration();<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> setupConf(conf);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> CommonFSUtils.setRootDir(conf, rootDir);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> @After<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> public void tearDown() throws Exception {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> fs.delete(TEST_UTIL.getDataTestDir(), true);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> protected SnapshotMock createSnapshotMock() throws IOException {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> return new SnapshotMock(TEST_UTIL.getConfiguration(), fs, rootDir);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> @Test<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> public void testRestore() throws IOException {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> restoreAndVerify("snapshot", "testRestore");<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> @Test<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> public void testRestoreWithNamespace() throws IOException {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> restoreAndVerify("snapshot", "namespace1:testRestoreWithNamespace");<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> @Test<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> public void testNoHFileLinkInRootDir() throws IOException {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> rootDir = TEST_UTIL.getDefaultRootDirPath();<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> CommonFSUtils.setRootDir(conf, rootDir);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> fs = rootDir.getFileSystem(conf);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> TableName tableName = TableName.valueOf("testNoHFileLinkInRootDir");<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> String snapshotName = tableName.getNameAsString() + "-snapshot";<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> createTableAndSnapshot(tableName, snapshotName);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> Path restoreDir = new Path("/hbase/.tmp-restore");<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> RestoreSnapshotHelper.copySnapshotForScanner(conf, fs, rootDir, restoreDir, snapshotName);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> checkNoHFileLinkInTableDir(tableName);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> @Test<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> public void testSkipReplayAndUpdateSeqId() throws Exception {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> rootDir = TEST_UTIL.getDefaultRootDirPath();<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> CommonFSUtils.setRootDir(conf, rootDir);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> TableName tableName = TableName.valueOf("testSkipReplayAndUpdateSeqId");<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> String snapshotName = "testSkipReplayAndUpdateSeqId";<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> createTableAndSnapshot(tableName, snapshotName);<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> // put some data in the table<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> Table table = TEST_UTIL.getConnection().getTable(tableName);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> TEST_UTIL.loadTable(table, Bytes.toBytes("A"));<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> Path rootDir = CommonFSUtils.getRootDir(conf);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> Path restoreDir = new Path("/hbase/.tmp-restore/testScannerWithRestoreScanner2");<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> // restore snapshot.<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> final RestoreSnapshotHelper.RestoreMetaChanges meta =<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> RestoreSnapshotHelper.copySnapshotForScanner(conf, fs, rootDir, restoreDir, snapshotName);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> TableDescriptor htd = meta.getTableDescriptor();<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> final List<RegionInfo> restoredRegions = meta.getRegionsToAdd();<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> for (RegionInfo restoredRegion : restoredRegions) {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> // open restored region<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> HRegion region = HRegion.newHRegion(CommonFSUtils.getTableDir(restoreDir, tableName), null,<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> fs, conf, restoredRegion, htd, null);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> // set restore flag<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> region.setRestoredRegion(true);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> region.initialize();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> Path recoveredEdit =<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> CommonFSUtils.getWALRegionDir(conf, tableName, region.getRegionInfo().getEncodedName());<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> long maxSeqId = WALSplitUtil.getMaxRegionSequenceId(fs, recoveredEdit);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> // open restored region without set restored flag<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> HRegion region2 = HRegion.newHRegion(CommonFSUtils.getTableDir(restoreDir, tableName), null,<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> fs, conf, restoredRegion, htd, null);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> region2.initialize();<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> long maxSeqId2 = WALSplitUtil.getMaxRegionSequenceId(fs, recoveredEdit);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> Assert.assertTrue(maxSeqId2 > maxSeqId);<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><a name="line.179"></a> |
| <span class="sourceLineNo">180</span> protected void createTableAndSnapshot(TableName tableName, String snapshotName)<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> throws IOException {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> byte[] column = Bytes.toBytes("A");<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> Table table = TEST_UTIL.createTable(tableName, column, 2);<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> TEST_UTIL.loadTable(table, column);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> TEST_UTIL.getAdmin().snapshot(snapshotName, tableName);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> private void checkNoHFileLinkInTableDir(TableName tableName) throws IOException {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> Path[] tableDirs = new Path[] { CommonFSUtils.getTableDir(rootDir, tableName),<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> CommonFSUtils.getTableDir(new Path(rootDir, HConstants.HFILE_ARCHIVE_DIRECTORY), tableName),<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> CommonFSUtils.getTableDir(MobUtils.getMobHome(rootDir), tableName) };<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> for (Path tableDir : tableDirs) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> Assert.assertFalse(hasHFileLink(tableDir));<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> }<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> private boolean hasHFileLink(Path tableDir) throws IOException {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> if (fs.exists(tableDir)) {<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> RemoteIterator<LocatedFileStatus> iterator = fs.listFiles(tableDir, true);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> while (iterator.hasNext()) {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> LocatedFileStatus fileStatus = iterator.next();<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> if (fileStatus.isFile() && HFileLink.isHFileLink(fileStatus.getPath())) {<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> return true;<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<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> return false;<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> }<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> private void restoreAndVerify(final String snapshotName, final String tableName)<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> throws IOException {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> // Test Rolling-Upgrade like Snapshot.<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> // half machines writing using v1 and the others using v2 format.<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> SnapshotMock snapshotMock = createSnapshotMock();<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> SnapshotMock.SnapshotBuilder builder = snapshotMock.createSnapshotV2("snapshot", tableName);<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> builder.addRegionV1();<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> builder.addRegionV2();<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> builder.addRegionV2();<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> builder.addRegionV1();<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> Path snapshotDir = builder.commit();<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> TableDescriptor htd = builder.getTableDescriptor();<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> SnapshotDescription desc = builder.getSnapshotDescription();<a name="line.222"></a> |
| <span class="sourceLineNo">223</span><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> // Test clone a snapshot<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> TableDescriptor htdClone = snapshotMock.createHtd("testtb-clone");<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> testRestore(snapshotDir, desc, htdClone);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> verifyRestore(rootDir, htd, htdClone);<a name="line.227"></a> |
| <span class="sourceLineNo">228</span><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> // Test clone a clone ("link to link")<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> SnapshotDescription cloneDesc =<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> SnapshotDescription.newBuilder().setName("cloneSnapshot").setTable("testtb-clone").build();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> Path cloneDir = CommonFSUtils.getTableDir(rootDir, htdClone.getTableName());<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> TableDescriptor htdClone2 = snapshotMock.createHtd("testtb-clone2");<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> testRestore(cloneDir, cloneDesc, htdClone2);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> verifyRestore(rootDir, htd, htdClone2);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> private void verifyRestore(final Path rootDir, final TableDescriptor sourceHtd,<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> final TableDescriptor htdClone) throws IOException {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> List<String> files = SnapshotTestingUtils.listHFileNames(fs,<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> CommonFSUtils.getTableDir(rootDir, htdClone.getTableName()));<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> assertEquals(12, files.size());<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> for (int i = 0; i < files.size(); i += 2) {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> String linkFile = files.get(i);<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> String refFile = files.get(i + 1);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> assertTrue(linkFile + " should be a HFileLink", HFileLink.isHFileLink(linkFile));<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> assertTrue(refFile + " should be a Referene", StoreFileInfo.isReference(refFile));<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> assertEquals(sourceHtd.getTableName(), HFileLink.getReferencedTableName(linkFile));<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> Path refPath = getReferredToFile(refFile);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> LOG.debug("get reference name for file " + refFile + " = " + refPath);<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> assertTrue(refPath.getName() + " should be a HFileLink",<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> HFileLink.isHFileLink(refPath.getName()));<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> assertEquals(linkFile, refPath.getName());<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> }<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> /**<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> * Execute the restore operation<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> * @param snapshotDir The snapshot directory to use as "restore source"<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> * @param sd The snapshot descriptor<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> * @param htdClone The HTableDescriptor of the table to restore/clone.<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> */<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> private void testRestore(final Path snapshotDir, final SnapshotDescription sd,<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> final TableDescriptor htdClone) throws IOException {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> LOG.debug("pre-restore table=" + htdClone.getTableName() + " snapshot=" + snapshotDir);<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> CommonFSUtils.logFileSystemState(fs, rootDir, LOG);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span><a name="line.267"></a> |
| <span class="sourceLineNo">268</span> new FSTableDescriptors(conf).createTableDescriptor(htdClone);<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> RestoreSnapshotHelper helper = getRestoreHelper(rootDir, snapshotDir, sd, htdClone);<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> helper.restoreHdfsRegions();<a name="line.270"></a> |
| <span class="sourceLineNo">271</span><a name="line.271"></a> |
| <span class="sourceLineNo">272</span> LOG.debug("post-restore table=" + htdClone.getTableName() + " snapshot=" + snapshotDir);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> CommonFSUtils.logFileSystemState(fs, rootDir, LOG);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span><a name="line.275"></a> |
| <span class="sourceLineNo">276</span> /**<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> * Initialize the restore helper, based on the snapshot and table information provided.<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> */<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> private RestoreSnapshotHelper getRestoreHelper(final Path rootDir, final Path snapshotDir,<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> final SnapshotDescription sd, final TableDescriptor htdClone) throws IOException {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> ForeignExceptionDispatcher monitor = Mockito.mock(ForeignExceptionDispatcher.class);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> MonitoredTask status = Mockito.mock(MonitoredTask.class);<a name="line.282"></a> |
| <span class="sourceLineNo">283</span><a name="line.283"></a> |
| <span class="sourceLineNo">284</span> SnapshotManifest manifest = SnapshotManifest.open(conf, fs, snapshotDir, sd);<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> return new RestoreSnapshotHelper(conf, fs, manifest, htdClone, rootDir, monitor, status);<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> }<a name="line.286"></a> |
| <span class="sourceLineNo">287</span><a name="line.287"></a> |
| <span class="sourceLineNo">288</span> private Path getReferredToFile(final String referenceName) {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> Path fakeBasePath = new Path(new Path("table", "region"), "cf");<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> return StoreFileInfo.getReferredToFile(new Path(fakeBasePath, referenceName));<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span>}<a name="line.292"></a> |
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| </div> |
| </body> |
| </html> |
