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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;</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.client.TestMetaWithReplicasShutdownHandling;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.regionserver.StorefileRefresherChore;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.testclassification.IntegrationTests;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.zookeeper.ZKUtil;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.zookeeper.ZKWatcher;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.zookeeper.ZNodePaths;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.junit.AfterClass;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.junit.Test;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">032</span><span id="line-32"></span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;</span> |
| <span class="source-line-no">034</span><span id="line-34"></span> |
| <span class="source-line-no">035</span><span id="line-35">/**</span> |
| <span class="source-line-no">036</span><span id="line-36"> * An integration test that starts the cluster with three replicas for the meta It then creates a</span> |
| <span class="source-line-no">037</span><span id="line-37"> * table, flushes the meta, kills the server holding the primary. After that a client issues put/get</span> |
| <span class="source-line-no">038</span><span id="line-38"> * requests on the created table - the other replicas of the meta would be used to get the location</span> |
| <span class="source-line-no">039</span><span id="line-39"> * of the region of the created table.</span> |
| <span class="source-line-no">040</span><span id="line-40"> */</span> |
| <span class="source-line-no">041</span><span id="line-41">@Category(IntegrationTests.class)</span> |
| <span class="source-line-no">042</span><span id="line-42">public class IntegrationTestMetaReplicas {</span> |
| <span class="source-line-no">043</span><span id="line-43"></span> |
| <span class="source-line-no">044</span><span id="line-44"> /**</span> |
| <span class="source-line-no">045</span><span id="line-45"> * Util to get at the cluster.</span> |
| <span class="source-line-no">046</span><span id="line-46"> */</span> |
| <span class="source-line-no">047</span><span id="line-47"> private static IntegrationTestingUtility util;</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49"> @BeforeClass</span> |
| <span class="source-line-no">050</span><span id="line-50"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">051</span><span id="line-51"> // Set up the integration test util</span> |
| <span class="source-line-no">052</span><span id="line-52"> if (util == null) {</span> |
| <span class="source-line-no">053</span><span id="line-53"> util = new IntegrationTestingUtility();</span> |
| <span class="source-line-no">054</span><span id="line-54"> }</span> |
| <span class="source-line-no">055</span><span id="line-55"> util.getConfiguration().setInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,</span> |
| <span class="source-line-no">056</span><span id="line-56"> 1000);</span> |
| <span class="source-line-no">057</span><span id="line-57"> // Make sure there are three servers.</span> |
| <span class="source-line-no">058</span><span id="line-58"> util.initializeCluster(3);</span> |
| <span class="source-line-no">059</span><span id="line-59"> HBaseTestingUtil.setReplicas(util.getAdmin(), TableName.META_TABLE_NAME, 3);</span> |
| <span class="source-line-no">060</span><span id="line-60"> ZKWatcher zkw = util.getZooKeeperWatcher();</span> |
| <span class="source-line-no">061</span><span id="line-61"> Configuration conf = util.getConfiguration();</span> |
| <span class="source-line-no">062</span><span id="line-62"> String baseZNode =</span> |
| <span class="source-line-no">063</span><span id="line-63"> conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT, HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);</span> |
| <span class="source-line-no">064</span><span id="line-64"> String primaryMetaZnode =</span> |
| <span class="source-line-no">065</span><span id="line-65"> ZNodePaths.joinZNode(baseZNode, conf.get("zookeeper.znode.metaserver", "meta-region-server"));</span> |
| <span class="source-line-no">066</span><span id="line-66"> // check that the data in the znode is parseable (this would also mean the znode exists)</span> |
| <span class="source-line-no">067</span><span id="line-67"> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);</span> |
| <span class="source-line-no">068</span><span id="line-68"> ProtobufUtil.toServerName(data);</span> |
| <span class="source-line-no">069</span><span id="line-69"> waitUntilZnodeAvailable(1);</span> |
| <span class="source-line-no">070</span><span id="line-70"> waitUntilZnodeAvailable(2);</span> |
| <span class="source-line-no">071</span><span id="line-71"> }</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> @AfterClass</span> |
| <span class="source-line-no">074</span><span id="line-74"> public static void teardown() throws Exception {</span> |
| <span class="source-line-no">075</span><span id="line-75"> // Clean everything up.</span> |
| <span class="source-line-no">076</span><span id="line-76"> util.restoreCluster();</span> |
| <span class="source-line-no">077</span><span id="line-77"> util = null;</span> |
| <span class="source-line-no">078</span><span id="line-78"> }</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> private static void waitUntilZnodeAvailable(int replicaId) throws Exception {</span> |
| <span class="source-line-no">081</span><span id="line-81"> String znode = util.getZooKeeperWatcher().getZNodePaths().getZNodeForReplica(replicaId);</span> |
| <span class="source-line-no">082</span><span id="line-82"> int i = 0;</span> |
| <span class="source-line-no">083</span><span id="line-83"> while (i < 1000) {</span> |
| <span class="source-line-no">084</span><span id="line-84"> if (ZKUtil.checkExists(util.getZooKeeperWatcher(), znode) == -1) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> Thread.sleep(100);</span> |
| <span class="source-line-no">086</span><span id="line-86"> i++;</span> |
| <span class="source-line-no">087</span><span id="line-87"> } else break;</span> |
| <span class="source-line-no">088</span><span id="line-88"> }</span> |
| <span class="source-line-no">089</span><span id="line-89"> if (i == 1000) throw new IOException("znode for meta replica " + replicaId + " not available");</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> @Test</span> |
| <span class="source-line-no">093</span><span id="line-93"> public void testShutdownHandling() throws Exception {</span> |
| <span class="source-line-no">094</span><span id="line-94"> // This test creates a table, flushes the meta (with 3 replicas), kills the</span> |
| <span class="source-line-no">095</span><span id="line-95"> // server holding the primary meta replica. Then it does a put/get into/from</span> |
| <span class="source-line-no">096</span><span id="line-96"> // the test table. The put/get operations would use the replicas to locate the</span> |
| <span class="source-line-no">097</span><span id="line-97"> // location of the test table's region</span> |
| <span class="source-line-no">098</span><span id="line-98"> TestMetaWithReplicasShutdownHandling.shutdownMetaAndDoValidations(util);</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> public static void main(String[] args) throws Exception {</span> |
| <span class="source-line-no">102</span><span id="line-102"> setUp();</span> |
| <span class="source-line-no">103</span><span id="line-103"> new IntegrationTestMetaReplicas().testShutdownHandling();</span> |
| <span class="source-line-no">104</span><span id="line-104"> teardown();</span> |
| <span class="source-line-no">105</span><span id="line-105"> }</span> |
| <span class="source-line-no">106</span><span id="line-106">}</span> |
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| </pre> |
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