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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.snapshot;</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 org.apache.hadoop.conf.Configuration;</span>
<span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.HBaseClassTestRule;</span>
<span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.HBaseTestingUtil;</span>
<span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.HConstants;</span>
<span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.TableName;</span>
<span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.client.Admin;</span>
<span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.client.SnapshotType;</span>
<span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.Table;</span>
<span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.master.snapshot.SnapshotManager;</span>
<span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.regionserver.snapshot.RegionServerSnapshotManager;</span>
<span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.testclassification.MediumTests;</span>
<span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.testclassification.RegionServerTests;</span>
<span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.util.Bytes;</span>
<span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span>
<span class="source-line-no">035</span><span id="line-35">import org.junit.After;</span>
<span class="source-line-no">036</span><span id="line-36">import org.junit.AfterClass;</span>
<span class="source-line-no">037</span><span id="line-37">import org.junit.Before;</span>
<span class="source-line-no">038</span><span id="line-38">import org.junit.BeforeClass;</span>
<span class="source-line-no">039</span><span id="line-39">import org.junit.ClassRule;</span>
<span class="source-line-no">040</span><span id="line-40">import org.junit.Test;</span>
<span class="source-line-no">041</span><span id="line-41">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">042</span><span id="line-42">import org.slf4j.Logger;</span>
<span class="source-line-no">043</span><span id="line-43">import org.slf4j.LoggerFactory;</span>
<span class="source-line-no">044</span><span id="line-44"></span>
<span class="source-line-no">045</span><span id="line-45">/**</span>
<span class="source-line-no">046</span><span id="line-46"> * Test clone/restore snapshots from the client TODO This is essentially a clone of</span>
<span class="source-line-no">047</span><span id="line-47"> * TestRestoreSnapshotFromClient. This is worth refactoring this because there will be a few more</span>
<span class="source-line-no">048</span><span id="line-48"> * flavors of snapshots that need to run these tests.</span>
<span class="source-line-no">049</span><span id="line-49"> */</span>
<span class="source-line-no">050</span><span id="line-50">@Category({ RegionServerTests.class, MediumTests.class })</span>
<span class="source-line-no">051</span><span id="line-51">public class TestRestoreFlushSnapshotFromClient {</span>
<span class="source-line-no">052</span><span id="line-52"></span>
<span class="source-line-no">053</span><span id="line-53"> @ClassRule</span>
<span class="source-line-no">054</span><span id="line-54"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">055</span><span id="line-55"> HBaseClassTestRule.forClass(TestRestoreFlushSnapshotFromClient.class);</span>
<span class="source-line-no">056</span><span id="line-56"></span>
<span class="source-line-no">057</span><span id="line-57"> private static final Logger LOG =</span>
<span class="source-line-no">058</span><span id="line-58"> LoggerFactory.getLogger(TestRestoreFlushSnapshotFromClient.class);</span>
<span class="source-line-no">059</span><span id="line-59"></span>
<span class="source-line-no">060</span><span id="line-60"> protected final static HBaseTestingUtil UTIL = new HBaseTestingUtil();</span>
<span class="source-line-no">061</span><span id="line-61"></span>
<span class="source-line-no">062</span><span id="line-62"> protected final byte[] FAMILY = Bytes.toBytes("cf");</span>
<span class="source-line-no">063</span><span id="line-63"></span>
<span class="source-line-no">064</span><span id="line-64"> protected String snapshotName0;</span>
<span class="source-line-no">065</span><span id="line-65"> protected String snapshotName1;</span>
<span class="source-line-no">066</span><span id="line-66"> protected String snapshotName2;</span>
<span class="source-line-no">067</span><span id="line-67"> protected int snapshot0Rows;</span>
<span class="source-line-no">068</span><span id="line-68"> protected int snapshot1Rows;</span>
<span class="source-line-no">069</span><span id="line-69"> protected TableName tableName;</span>
<span class="source-line-no">070</span><span id="line-70"> protected Admin admin;</span>
<span class="source-line-no">071</span><span id="line-71"></span>
<span class="source-line-no">072</span><span id="line-72"> @BeforeClass</span>
<span class="source-line-no">073</span><span id="line-73"> public static void setupCluster() throws Exception {</span>
<span class="source-line-no">074</span><span id="line-74"> setupConf(UTIL.getConfiguration());</span>
<span class="source-line-no">075</span><span id="line-75"> UTIL.startMiniCluster(3);</span>
<span class="source-line-no">076</span><span id="line-76"> }</span>
<span class="source-line-no">077</span><span id="line-77"></span>
<span class="source-line-no">078</span><span id="line-78"> protected static void setupConf(Configuration conf) {</span>
<span class="source-line-no">079</span><span id="line-79"> UTIL.getConfiguration().setInt("hbase.regionserver.msginterval", 100);</span>
<span class="source-line-no">080</span><span id="line-80"> UTIL.getConfiguration().setInt("hbase.client.pause", 250);</span>
<span class="source-line-no">081</span><span id="line-81"> UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 6);</span>
<span class="source-line-no">082</span><span id="line-82"> UTIL.getConfiguration().setBoolean("hbase.master.enabletable.roundrobin", true);</span>
<span class="source-line-no">083</span><span id="line-83"></span>
<span class="source-line-no">084</span><span id="line-84"> // Enable snapshot</span>
<span class="source-line-no">085</span><span id="line-85"> UTIL.getConfiguration().setBoolean(SnapshotManager.HBASE_SNAPSHOT_ENABLED, true);</span>
<span class="source-line-no">086</span><span id="line-86"> UTIL.getConfiguration().setLong(RegionServerSnapshotManager.SNAPSHOT_TIMEOUT_MILLIS_KEY,</span>
<span class="source-line-no">087</span><span id="line-87"> RegionServerSnapshotManager.SNAPSHOT_TIMEOUT_MILLIS_DEFAULT * 2);</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"> @AfterClass</span>
<span class="source-line-no">091</span><span id="line-91"> public static void tearDownAfterClass() throws Exception {</span>
<span class="source-line-no">092</span><span id="line-92"> UTIL.shutdownMiniCluster();</span>
<span class="source-line-no">093</span><span id="line-93"> }</span>
<span class="source-line-no">094</span><span id="line-94"></span>
<span class="source-line-no">095</span><span id="line-95"> protected void createTable() throws Exception {</span>
<span class="source-line-no">096</span><span id="line-96"> SnapshotTestingUtils.createTable(UTIL, tableName, FAMILY);</span>
<span class="source-line-no">097</span><span id="line-97"> }</span>
<span class="source-line-no">098</span><span id="line-98"></span>
<span class="source-line-no">099</span><span id="line-99"> /**</span>
<span class="source-line-no">100</span><span id="line-100"> * Initialize the tests with a table filled with some data and two snapshots (snapshotName0,</span>
<span class="source-line-no">101</span><span id="line-101"> * snapshotName1) of different states. The tableName, snapshotNames and the number of rows in the</span>
<span class="source-line-no">102</span><span id="line-102"> * snapshot are initialized.</span>
<span class="source-line-no">103</span><span id="line-103"> */</span>
<span class="source-line-no">104</span><span id="line-104"> @Before</span>
<span class="source-line-no">105</span><span id="line-105"> public void setup() throws Exception {</span>
<span class="source-line-no">106</span><span id="line-106"> this.admin = UTIL.getAdmin();</span>
<span class="source-line-no">107</span><span id="line-107"></span>
<span class="source-line-no">108</span><span id="line-108"> long tid = EnvironmentEdgeManager.currentTime();</span>
<span class="source-line-no">109</span><span id="line-109"> tableName = TableName.valueOf("testtb-" + tid);</span>
<span class="source-line-no">110</span><span id="line-110"> snapshotName0 = "snaptb0-" + tid;</span>
<span class="source-line-no">111</span><span id="line-111"> snapshotName1 = "snaptb1-" + tid;</span>
<span class="source-line-no">112</span><span id="line-112"> snapshotName2 = "snaptb2-" + tid;</span>
<span class="source-line-no">113</span><span id="line-113"></span>
<span class="source-line-no">114</span><span id="line-114"> // create Table and disable it</span>
<span class="source-line-no">115</span><span id="line-115"> createTable();</span>
<span class="source-line-no">116</span><span id="line-116"> SnapshotTestingUtils.loadData(UTIL, tableName, 500, FAMILY);</span>
<span class="source-line-no">117</span><span id="line-117"> Table table = UTIL.getConnection().getTable(tableName);</span>
<span class="source-line-no">118</span><span id="line-118"> snapshot0Rows = countRows(table);</span>
<span class="source-line-no">119</span><span id="line-119"> LOG.info("=== before snapshot with 500 rows");</span>
<span class="source-line-no">120</span><span id="line-120"> logFSTree();</span>
<span class="source-line-no">121</span><span id="line-121"></span>
<span class="source-line-no">122</span><span id="line-122"> // take a snapshot</span>
<span class="source-line-no">123</span><span id="line-123"> admin.snapshot(snapshotName0, tableName, SnapshotType.FLUSH);</span>
<span class="source-line-no">124</span><span id="line-124"></span>
<span class="source-line-no">125</span><span id="line-125"> LOG.info("=== after snapshot with 500 rows");</span>
<span class="source-line-no">126</span><span id="line-126"> logFSTree();</span>
<span class="source-line-no">127</span><span id="line-127"></span>
<span class="source-line-no">128</span><span id="line-128"> // insert more data</span>
<span class="source-line-no">129</span><span id="line-129"> SnapshotTestingUtils.loadData(UTIL, tableName, 500, FAMILY);</span>
<span class="source-line-no">130</span><span id="line-130"> snapshot1Rows = countRows(table);</span>
<span class="source-line-no">131</span><span id="line-131"> LOG.info("=== before snapshot with 1000 rows");</span>
<span class="source-line-no">132</span><span id="line-132"> logFSTree();</span>
<span class="source-line-no">133</span><span id="line-133"></span>
<span class="source-line-no">134</span><span id="line-134"> // take a snapshot of the updated table</span>
<span class="source-line-no">135</span><span id="line-135"> admin.snapshot(snapshotName1, tableName, SnapshotType.FLUSH);</span>
<span class="source-line-no">136</span><span id="line-136"> LOG.info("=== after snapshot with 1000 rows");</span>
<span class="source-line-no">137</span><span id="line-137"> logFSTree();</span>
<span class="source-line-no">138</span><span id="line-138"> table.close();</span>
<span class="source-line-no">139</span><span id="line-139"> }</span>
<span class="source-line-no">140</span><span id="line-140"></span>
<span class="source-line-no">141</span><span id="line-141"> @After</span>
<span class="source-line-no">142</span><span id="line-142"> public void tearDown() throws Exception {</span>
<span class="source-line-no">143</span><span id="line-143"> SnapshotTestingUtils.deleteAllSnapshots(UTIL.getAdmin());</span>
<span class="source-line-no">144</span><span id="line-144"> SnapshotTestingUtils.deleteArchiveDirectory(UTIL);</span>
<span class="source-line-no">145</span><span id="line-145"> }</span>
<span class="source-line-no">146</span><span id="line-146"></span>
<span class="source-line-no">147</span><span id="line-147"> @Test</span>
<span class="source-line-no">148</span><span id="line-148"> public void testTakeFlushSnapshot() throws IOException {</span>
<span class="source-line-no">149</span><span id="line-149"> // taking happens in setup.</span>
<span class="source-line-no">150</span><span id="line-150"> }</span>
<span class="source-line-no">151</span><span id="line-151"></span>
<span class="source-line-no">152</span><span id="line-152"> @Test</span>
<span class="source-line-no">153</span><span id="line-153"> public void testRestoreSnapshot() throws IOException {</span>
<span class="source-line-no">154</span><span id="line-154"> verifyRowCount(UTIL, tableName, snapshot1Rows);</span>
<span class="source-line-no">155</span><span id="line-155"></span>
<span class="source-line-no">156</span><span id="line-156"> // Restore from snapshot-0</span>
<span class="source-line-no">157</span><span id="line-157"> admin.disableTable(tableName);</span>
<span class="source-line-no">158</span><span id="line-158"> admin.restoreSnapshot(snapshotName0);</span>
<span class="source-line-no">159</span><span id="line-159"> logFSTree();</span>
<span class="source-line-no">160</span><span id="line-160"> admin.enableTable(tableName);</span>
<span class="source-line-no">161</span><span id="line-161"> LOG.info("=== after restore with 500 row snapshot");</span>
<span class="source-line-no">162</span><span id="line-162"> logFSTree();</span>
<span class="source-line-no">163</span><span id="line-163"> verifyRowCount(UTIL, tableName, snapshot0Rows);</span>
<span class="source-line-no">164</span><span id="line-164"></span>
<span class="source-line-no">165</span><span id="line-165"> // Restore from snapshot-1</span>
<span class="source-line-no">166</span><span id="line-166"> admin.disableTable(tableName);</span>
<span class="source-line-no">167</span><span id="line-167"> admin.restoreSnapshot(snapshotName1);</span>
<span class="source-line-no">168</span><span id="line-168"> admin.enableTable(tableName);</span>
<span class="source-line-no">169</span><span id="line-169"> verifyRowCount(UTIL, tableName, snapshot1Rows);</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"> @Test(expected = SnapshotDoesNotExistException.class)</span>
<span class="source-line-no">173</span><span id="line-173"> public void testCloneNonExistentSnapshot() throws IOException, InterruptedException {</span>
<span class="source-line-no">174</span><span id="line-174"> String snapshotName = "random-snapshot-" + EnvironmentEdgeManager.currentTime();</span>
<span class="source-line-no">175</span><span id="line-175"> TableName tableName = TableName.valueOf("random-table-" + EnvironmentEdgeManager.currentTime());</span>
<span class="source-line-no">176</span><span id="line-176"> admin.cloneSnapshot(snapshotName, tableName);</span>
<span class="source-line-no">177</span><span id="line-177"> }</span>
<span class="source-line-no">178</span><span id="line-178"></span>
<span class="source-line-no">179</span><span id="line-179"> @Test</span>
<span class="source-line-no">180</span><span id="line-180"> public void testCloneSnapshot() throws IOException, InterruptedException {</span>
<span class="source-line-no">181</span><span id="line-181"> TableName clonedTableName =</span>
<span class="source-line-no">182</span><span id="line-182"> TableName.valueOf("clonedtb-" + EnvironmentEdgeManager.currentTime());</span>
<span class="source-line-no">183</span><span id="line-183"> testCloneSnapshot(clonedTableName, snapshotName0, snapshot0Rows);</span>
<span class="source-line-no">184</span><span id="line-184"> testCloneSnapshot(clonedTableName, snapshotName1, snapshot1Rows);</span>
<span class="source-line-no">185</span><span id="line-185"> }</span>
<span class="source-line-no">186</span><span id="line-186"></span>
<span class="source-line-no">187</span><span id="line-187"> private void testCloneSnapshot(final TableName tableName, final String snapshotName,</span>
<span class="source-line-no">188</span><span id="line-188"> int snapshotRows) throws IOException, InterruptedException {</span>
<span class="source-line-no">189</span><span id="line-189"> // create a new table from snapshot</span>
<span class="source-line-no">190</span><span id="line-190"> admin.cloneSnapshot(snapshotName, tableName);</span>
<span class="source-line-no">191</span><span id="line-191"> verifyRowCount(UTIL, tableName, snapshotRows);</span>
<span class="source-line-no">192</span><span id="line-192"></span>
<span class="source-line-no">193</span><span id="line-193"> UTIL.deleteTable(tableName);</span>
<span class="source-line-no">194</span><span id="line-194"> }</span>
<span class="source-line-no">195</span><span id="line-195"></span>
<span class="source-line-no">196</span><span id="line-196"> @Test</span>
<span class="source-line-no">197</span><span id="line-197"> public void testRestoreSnapshotOfCloned() throws IOException, InterruptedException {</span>
<span class="source-line-no">198</span><span id="line-198"> TableName clonedTableName =</span>
<span class="source-line-no">199</span><span id="line-199"> TableName.valueOf("clonedtb-" + EnvironmentEdgeManager.currentTime());</span>
<span class="source-line-no">200</span><span id="line-200"> admin.cloneSnapshot(snapshotName0, clonedTableName);</span>
<span class="source-line-no">201</span><span id="line-201"> verifyRowCount(UTIL, clonedTableName, snapshot0Rows);</span>
<span class="source-line-no">202</span><span id="line-202"> admin.snapshot(snapshotName2, clonedTableName, SnapshotType.FLUSH);</span>
<span class="source-line-no">203</span><span id="line-203"> UTIL.deleteTable(clonedTableName);</span>
<span class="source-line-no">204</span><span id="line-204"></span>
<span class="source-line-no">205</span><span id="line-205"> admin.cloneSnapshot(snapshotName2, clonedTableName);</span>
<span class="source-line-no">206</span><span id="line-206"> verifyRowCount(UTIL, clonedTableName, snapshot0Rows);</span>
<span class="source-line-no">207</span><span id="line-207"> UTIL.deleteTable(clonedTableName);</span>
<span class="source-line-no">208</span><span id="line-208"> }</span>
<span class="source-line-no">209</span><span id="line-209"></span>
<span class="source-line-no">210</span><span id="line-210"> // ==========================================================================</span>
<span class="source-line-no">211</span><span id="line-211"> // Helpers</span>
<span class="source-line-no">212</span><span id="line-212"> // ==========================================================================</span>
<span class="source-line-no">213</span><span id="line-213"> private void logFSTree() throws IOException {</span>
<span class="source-line-no">214</span><span id="line-214"> UTIL.getMiniHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);</span>
<span class="source-line-no">215</span><span id="line-215"> }</span>
<span class="source-line-no">216</span><span id="line-216"></span>
<span class="source-line-no">217</span><span id="line-217"> protected void verifyRowCount(final HBaseTestingUtil util, final TableName tableName,</span>
<span class="source-line-no">218</span><span id="line-218"> long expectedRows) throws IOException {</span>
<span class="source-line-no">219</span><span id="line-219"> SnapshotTestingUtils.verifyRowCount(util, tableName, expectedRows);</span>
<span class="source-line-no">220</span><span id="line-220"> }</span>
<span class="source-line-no">221</span><span id="line-221"></span>
<span class="source-line-no">222</span><span id="line-222"> protected int countRows(final Table table, final byte[]... families) throws IOException {</span>
<span class="source-line-no">223</span><span id="line-223"> return UTIL.countRows(table, families);</span>
<span class="source-line-no">224</span><span id="line-224"> }</span>
<span class="source-line-no">225</span><span id="line-225">}</span>
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