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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.master;</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 static org.junit.Assert.assertArrayEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.Get;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.testclassification.MediumTests;</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.CommonFSUtils;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.junit.AfterClass;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.junit.ClassRule;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.Test;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">040</span><span id="line-40"></span> |
| <span class="source-line-no">041</span><span id="line-41">/**</span> |
| <span class="source-line-no">042</span><span id="line-42"> * Simulate the scenario described in HBASE-26245, where we clean the WAL directory and try to start</span> |
| <span class="source-line-no">043</span><span id="line-43"> * the cluster.</span> |
| <span class="source-line-no">044</span><span id="line-44"> */</span> |
| <span class="source-line-no">045</span><span id="line-45">@Category({ MasterTests.class, MediumTests.class })</span> |
| <span class="source-line-no">046</span><span id="line-46">public class TestRestartWithEmptyWALDirectory {</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48"> @ClassRule</span> |
| <span class="source-line-no">049</span><span id="line-49"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">050</span><span id="line-50"> HBaseClassTestRule.forClass(TestRestartWithEmptyWALDirectory.class);</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> private static TableName NAME = TableName.valueOf("test");</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> private static byte[] FAMILY = Bytes.toBytes("family");</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> private static byte[] QUALIFIER = Bytes.toBytes("qualifier");</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> @BeforeClass</span> |
| <span class="source-line-no">061</span><span id="line-61"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">062</span><span id="line-62"> // in the test we shutdown the only master and after restarting its port will be changed, so the</span> |
| <span class="source-line-no">063</span><span id="line-63"> // default rpc region server can not work</span> |
| <span class="source-line-no">064</span><span id="line-64"> UTIL.getConfiguration().set(HConstants.CLIENT_CONNECTION_REGISTRY_IMPL_CONF_KEY,</span> |
| <span class="source-line-no">065</span><span id="line-65"> HConstants.ZK_CONNECTION_REGISTRY_CLASS);</span> |
| <span class="source-line-no">066</span><span id="line-66"> UTIL.startMiniCluster(1);</span> |
| <span class="source-line-no">067</span><span id="line-67"> UTIL.createTable(NAME, FAMILY).close();</span> |
| <span class="source-line-no">068</span><span id="line-68"> UTIL.waitTableAvailable(NAME);</span> |
| <span class="source-line-no">069</span><span id="line-69"> }</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> @AfterClass</span> |
| <span class="source-line-no">072</span><span id="line-72"> public static void tearDown() throws IOException {</span> |
| <span class="source-line-no">073</span><span id="line-73"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> @Test</span> |
| <span class="source-line-no">077</span><span id="line-77"> public void testRestart() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">078</span><span id="line-78"> byte[] row = Bytes.toBytes(0);</span> |
| <span class="source-line-no">079</span><span id="line-79"> try (Table table = UTIL.getConnection().getTable(NAME)) {</span> |
| <span class="source-line-no">080</span><span id="line-80"> table.put(new Put(row).addColumn(FAMILY, QUALIFIER, row));</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"> // flush all in memory data</span> |
| <span class="source-line-no">083</span><span id="line-83"> UTIL.flush(TableName.META_TABLE_NAME);</span> |
| <span class="source-line-no">084</span><span id="line-84"> UTIL.flush(NAME);</span> |
| <span class="source-line-no">085</span><span id="line-85"></span> |
| <span class="source-line-no">086</span><span id="line-86"> // stop master first, so when stopping region server, we will not schedule a SCP.</span> |
| <span class="source-line-no">087</span><span id="line-87"> UTIL.getMiniHBaseCluster().stopMaster(0).join();</span> |
| <span class="source-line-no">088</span><span id="line-88"> UTIL.getMiniHBaseCluster().stopRegionServer(0).join();</span> |
| <span class="source-line-no">089</span><span id="line-89"></span> |
| <span class="source-line-no">090</span><span id="line-90"> // let's cleanup the WAL directory</span> |
| <span class="source-line-no">091</span><span id="line-91"> UTIL.getTestFileSystem().delete(new Path(CommonFSUtils.getWALRootDir(UTIL.getConfiguration()),</span> |
| <span class="source-line-no">092</span><span id="line-92"> HConstants.HREGION_LOGDIR_NAME), true);</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> // restart the cluster</span> |
| <span class="source-line-no">095</span><span id="line-95"> UTIL.getMiniHBaseCluster().startMaster();</span> |
| <span class="source-line-no">096</span><span id="line-96"> UTIL.getMiniHBaseCluster().startRegionServer();</span> |
| <span class="source-line-no">097</span><span id="line-97"> UTIL.waitTableAvailable(NAME);</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> // the start up should succeed and the data should be persist</span> |
| <span class="source-line-no">100</span><span id="line-100"> try (Table table = UTIL.getConnection().getTable(NAME)) {</span> |
| <span class="source-line-no">101</span><span id="line-101"> assertArrayEquals(row, table.get(new Get(row)).getValue(FAMILY, QUALIFIER));</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"> }</span> |
| <span class="source-line-no">104</span><span id="line-104">}</span> |
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| </pre> |
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