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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.fail;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.apache.hadoop.conf.Configuration;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.fs.FileSystem;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.hadoop.fs.Path;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.TableName;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.junit.After;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.junit.Before;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.junit.ClassRule;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.junit.Test;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.junit.experimental.categories.Category;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.slf4j.Logger;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.slf4j.LoggerFactory;<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDataManifest;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotRegionManifest;<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span>@Category({ MasterTests.class, MediumTests.class })<a name="line.51"></a>
<span class="sourceLineNo">052</span>public class TestSnapshotManifest {<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span> @ClassRule<a name="line.54"></a>
<span class="sourceLineNo">055</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.55"></a>
<span class="sourceLineNo">056</span> HBaseClassTestRule.forClass(TestSnapshotManifest.class);<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span> private final Logger LOG = LoggerFactory.getLogger(getClass());<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> private static final String TABLE_NAME_STR = "testSnapshotManifest";<a name="line.60"></a>
<span class="sourceLineNo">061</span> private static final TableName TABLE_NAME = TableName.valueOf(TABLE_NAME_STR);<a name="line.61"></a>
<span class="sourceLineNo">062</span> private static final int TEST_NUM_REGIONS = 16000;<a name="line.62"></a>
<span class="sourceLineNo">063</span> private static final int TEST_NUM_REGIONFILES = 1000000;<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span> private static HBaseTestingUtil TEST_UTIL;<a name="line.65"></a>
<span class="sourceLineNo">066</span> private Configuration conf;<a name="line.66"></a>
<span class="sourceLineNo">067</span> private FileSystem fs;<a name="line.67"></a>
<span class="sourceLineNo">068</span> private Path rootDir;<a name="line.68"></a>
<span class="sourceLineNo">069</span> private Path snapshotDir;<a name="line.69"></a>
<span class="sourceLineNo">070</span> private SnapshotDescription snapshotDesc;<a name="line.70"></a>
<span class="sourceLineNo">071</span> private SnapshotTestingUtils.SnapshotMock.SnapshotBuilder builder;<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> @Before<a name="line.73"></a>
<span class="sourceLineNo">074</span> public void setup() throws Exception {<a name="line.74"></a>
<span class="sourceLineNo">075</span> TEST_UTIL = new HBaseTestingUtil();<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span> rootDir = TEST_UTIL.getDataTestDir(TABLE_NAME_STR);<a name="line.77"></a>
<span class="sourceLineNo">078</span> fs = TEST_UTIL.getTestFileSystem();<a name="line.78"></a>
<span class="sourceLineNo">079</span> conf = TEST_UTIL.getConfiguration();<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span> SnapshotTestingUtils.SnapshotMock snapshotMock =<a name="line.81"></a>
<span class="sourceLineNo">082</span> new SnapshotTestingUtils.SnapshotMock(conf, fs, rootDir);<a name="line.82"></a>
<span class="sourceLineNo">083</span> builder = snapshotMock.createSnapshotV2("snapshot", TABLE_NAME_STR, 0);<a name="line.83"></a>
<span class="sourceLineNo">084</span> snapshotDir = builder.commit();<a name="line.84"></a>
<span class="sourceLineNo">085</span> snapshotDesc = builder.getSnapshotDescription();<a name="line.85"></a>
<span class="sourceLineNo">086</span> }<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span> @After<a name="line.88"></a>
<span class="sourceLineNo">089</span> public void tearDown() throws Exception {<a name="line.89"></a>
<span class="sourceLineNo">090</span> fs.delete(rootDir, true);<a name="line.90"></a>
<span class="sourceLineNo">091</span> }<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span> @Test<a name="line.93"></a>
<span class="sourceLineNo">094</span> public void testReadSnapshotManifest() throws IOException {<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span> Path p = createDataManifest();<a name="line.96"></a>
<span class="sourceLineNo">097</span> try {<a name="line.97"></a>
<span class="sourceLineNo">098</span> SnapshotManifest.open(conf, fs, snapshotDir, snapshotDesc);<a name="line.98"></a>
<span class="sourceLineNo">099</span> fail("fail to test snapshot manifest because message size is too small.");<a name="line.99"></a>
<span class="sourceLineNo">100</span> } catch (CorruptedSnapshotException cse) {<a name="line.100"></a>
<span class="sourceLineNo">101</span> try {<a name="line.101"></a>
<span class="sourceLineNo">102</span> conf.setInt(SnapshotManifest.SNAPSHOT_MANIFEST_SIZE_LIMIT_CONF_KEY, 128 * 1024 * 1024);<a name="line.102"></a>
<span class="sourceLineNo">103</span> SnapshotManifest.open(conf, fs, snapshotDir, snapshotDesc);<a name="line.103"></a>
<span class="sourceLineNo">104</span> LOG.info("open snapshot manifest succeed.");<a name="line.104"></a>
<span class="sourceLineNo">105</span> } catch (CorruptedSnapshotException cse2) {<a name="line.105"></a>
<span class="sourceLineNo">106</span> fail("fail to take snapshot because Manifest proto-message too large.");<a name="line.106"></a>
<span class="sourceLineNo">107</span> }<a name="line.107"></a>
<span class="sourceLineNo">108</span> } finally {<a name="line.108"></a>
<span class="sourceLineNo">109</span> fs.delete(p, false);<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><a name="line.112"></a>
<span class="sourceLineNo">113</span> @Test<a name="line.113"></a>
<span class="sourceLineNo">114</span> public void testReadSnapshotRegionManifest() throws IOException {<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span> // remove datamanifest file<a name="line.116"></a>
<span class="sourceLineNo">117</span> fs.delete(new Path(snapshotDir, SnapshotManifest.DATA_MANIFEST_NAME), true);<a name="line.117"></a>
<span class="sourceLineNo">118</span> Path regionPath = createRegionManifest();<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
<span class="sourceLineNo">120</span> try {<a name="line.120"></a>
<span class="sourceLineNo">121</span> conf.setInt(SnapshotManifest.SNAPSHOT_MANIFEST_SIZE_LIMIT_CONF_KEY, 128 * 1024 * 1024);<a name="line.121"></a>
<span class="sourceLineNo">122</span> SnapshotManifest.open(conf, fs, snapshotDir, snapshotDesc);<a name="line.122"></a>
<span class="sourceLineNo">123</span> } catch (CorruptedSnapshotException e) {<a name="line.123"></a>
<span class="sourceLineNo">124</span> fail("fail to test snapshot manifest because region message size is too small.");<a name="line.124"></a>
<span class="sourceLineNo">125</span> } finally {<a name="line.125"></a>
<span class="sourceLineNo">126</span> fs.delete(regionPath, false);<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><a name="line.129"></a>
<span class="sourceLineNo">130</span> private Path createDataManifest() throws IOException {<a name="line.130"></a>
<span class="sourceLineNo">131</span> SnapshotDataManifest.Builder dataManifestBuilder = SnapshotDataManifest.newBuilder();<a name="line.131"></a>
<span class="sourceLineNo">132</span> byte[] startKey = null;<a name="line.132"></a>
<span class="sourceLineNo">133</span> byte[] stopKey = null;<a name="line.133"></a>
<span class="sourceLineNo">134</span> for (int i = 1; i &lt;= TEST_NUM_REGIONS; i++) {<a name="line.134"></a>
<span class="sourceLineNo">135</span> stopKey = Bytes.toBytes(String.format("%016d", i));<a name="line.135"></a>
<span class="sourceLineNo">136</span> RegionInfo regionInfo = RegionInfoBuilder.newBuilder(TABLE_NAME).build();<a name="line.136"></a>
<span class="sourceLineNo">137</span> SnapshotRegionManifest.Builder dataRegionManifestBuilder =<a name="line.137"></a>
<span class="sourceLineNo">138</span> SnapshotRegionManifest.newBuilder();<a name="line.138"></a>
<span class="sourceLineNo">139</span><a name="line.139"></a>
<span class="sourceLineNo">140</span> for (ColumnFamilyDescriptor hcd : builder.getTableDescriptor().getColumnFamilies()) {<a name="line.140"></a>
<span class="sourceLineNo">141</span> SnapshotRegionManifest.FamilyFiles.Builder family =<a name="line.141"></a>
<span class="sourceLineNo">142</span> SnapshotRegionManifest.FamilyFiles.newBuilder();<a name="line.142"></a>
<span class="sourceLineNo">143</span> family.setFamilyName(UnsafeByteOperations.unsafeWrap(hcd.getName()));<a name="line.143"></a>
<span class="sourceLineNo">144</span> for (int j = 0; j &lt; 100; ++j) {<a name="line.144"></a>
<span class="sourceLineNo">145</span> SnapshotRegionManifest.StoreFile.Builder sfManifest =<a name="line.145"></a>
<span class="sourceLineNo">146</span> SnapshotRegionManifest.StoreFile.newBuilder();<a name="line.146"></a>
<span class="sourceLineNo">147</span> sfManifest.setName(String.format("%032d", i));<a name="line.147"></a>
<span class="sourceLineNo">148</span> sfManifest.setFileSize((1 + i) * (1 + i) * 1024);<a name="line.148"></a>
<span class="sourceLineNo">149</span> family.addStoreFiles(sfManifest.build());<a name="line.149"></a>
<span class="sourceLineNo">150</span> }<a name="line.150"></a>
<span class="sourceLineNo">151</span> dataRegionManifestBuilder.addFamilyFiles(family.build());<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> dataRegionManifestBuilder.setRegionInfo(ProtobufUtil.toRegionInfo(regionInfo));<a name="line.154"></a>
<span class="sourceLineNo">155</span> dataManifestBuilder.addRegionManifests(dataRegionManifestBuilder.build());<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span> startKey = stopKey;<a name="line.157"></a>
<span class="sourceLineNo">158</span> }<a name="line.158"></a>
<span class="sourceLineNo">159</span><a name="line.159"></a>
<span class="sourceLineNo">160</span> dataManifestBuilder.setTableSchema(ProtobufUtil.toTableSchema(builder.getTableDescriptor()));<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span> SnapshotDataManifest dataManifest = dataManifestBuilder.build();<a name="line.162"></a>
<span class="sourceLineNo">163</span> return writeDataManifest(dataManifest);<a name="line.163"></a>
<span class="sourceLineNo">164</span> }<a name="line.164"></a>
<span class="sourceLineNo">165</span><a name="line.165"></a>
<span class="sourceLineNo">166</span> private Path createRegionManifest() throws IOException {<a name="line.166"></a>
<span class="sourceLineNo">167</span> byte[] startKey = Bytes.toBytes("AAAAAA");<a name="line.167"></a>
<span class="sourceLineNo">168</span> byte[] stopKey = Bytes.toBytes("BBBBBB");<a name="line.168"></a>
<span class="sourceLineNo">169</span> RegionInfo regionInfo = RegionInfoBuilder.newBuilder(TABLE_NAME).build();<a name="line.169"></a>
<span class="sourceLineNo">170</span> SnapshotRegionManifest.Builder dataRegionManifestBuilder = SnapshotRegionManifest.newBuilder();<a name="line.170"></a>
<span class="sourceLineNo">171</span> dataRegionManifestBuilder.setRegionInfo(ProtobufUtil.toRegionInfo(regionInfo));<a name="line.171"></a>
<span class="sourceLineNo">172</span><a name="line.172"></a>
<span class="sourceLineNo">173</span> for (ColumnFamilyDescriptor hcd : builder.getTableDescriptor().getColumnFamilies()) {<a name="line.173"></a>
<span class="sourceLineNo">174</span> SnapshotRegionManifest.FamilyFiles.Builder family =<a name="line.174"></a>
<span class="sourceLineNo">175</span> SnapshotRegionManifest.FamilyFiles.newBuilder();<a name="line.175"></a>
<span class="sourceLineNo">176</span> family.setFamilyName(UnsafeByteOperations.unsafeWrap(hcd.getName()));<a name="line.176"></a>
<span class="sourceLineNo">177</span> for (int j = 0; j &lt; TEST_NUM_REGIONFILES; ++j) {<a name="line.177"></a>
<span class="sourceLineNo">178</span> SnapshotRegionManifest.StoreFile.Builder sfManifest =<a name="line.178"></a>
<span class="sourceLineNo">179</span> SnapshotRegionManifest.StoreFile.newBuilder();<a name="line.179"></a>
<span class="sourceLineNo">180</span> sfManifest.setName(String.format("%064d", j));<a name="line.180"></a>
<span class="sourceLineNo">181</span> sfManifest.setFileSize(j * 1024);<a name="line.181"></a>
<span class="sourceLineNo">182</span> family.addStoreFiles(sfManifest.build());<a name="line.182"></a>
<span class="sourceLineNo">183</span> }<a name="line.183"></a>
<span class="sourceLineNo">184</span> dataRegionManifestBuilder.addFamilyFiles(family.build());<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> SnapshotRegionManifest manifest = dataRegionManifestBuilder.build();<a name="line.187"></a>
<span class="sourceLineNo">188</span> Path regionPath = new Path(snapshotDir,<a name="line.188"></a>
<span class="sourceLineNo">189</span> SnapshotManifestV2.SNAPSHOT_MANIFEST_PREFIX + regionInfo.getEncodedName());<a name="line.189"></a>
<span class="sourceLineNo">190</span><a name="line.190"></a>
<span class="sourceLineNo">191</span> FSDataOutputStream stream = fs.create(regionPath);<a name="line.191"></a>
<span class="sourceLineNo">192</span> try {<a name="line.192"></a>
<span class="sourceLineNo">193</span> manifest.writeTo(stream);<a name="line.193"></a>
<span class="sourceLineNo">194</span> } finally {<a name="line.194"></a>
<span class="sourceLineNo">195</span> stream.close();<a name="line.195"></a>
<span class="sourceLineNo">196</span> }<a name="line.196"></a>
<span class="sourceLineNo">197</span><a name="line.197"></a>
<span class="sourceLineNo">198</span> return regionPath;<a name="line.198"></a>
<span class="sourceLineNo">199</span> }<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span> private Path writeDataManifest(final SnapshotDataManifest manifest) throws IOException {<a name="line.201"></a>
<span class="sourceLineNo">202</span> Path dataRegionPath = new Path(snapshotDir, SnapshotManifest.DATA_MANIFEST_NAME);<a name="line.202"></a>
<span class="sourceLineNo">203</span> FSDataOutputStream stream = fs.create(dataRegionPath);<a name="line.203"></a>
<span class="sourceLineNo">204</span> try {<a name="line.204"></a>
<span class="sourceLineNo">205</span> manifest.writeTo(stream);<a name="line.205"></a>
<span class="sourceLineNo">206</span> } finally {<a name="line.206"></a>
<span class="sourceLineNo">207</span> stream.close();<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> return dataRegionPath;<a name="line.210"></a>
<span class="sourceLineNo">211</span> }<a name="line.211"></a>
<span class="sourceLineNo">212</span>}<a name="line.212"></a>
</pre>
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