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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;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.hadoop.conf.Configuration;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.client.TestMetaWithReplicasShutdownHandling;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.regionserver.StorefileRefresherChore;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.testclassification.IntegrationTests;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.junit.AfterClass;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.junit.BeforeClass;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.junit.Test;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.junit.experimental.categories.Category;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span><a name="line.34"></a> |
| <span class="sourceLineNo">035</span>/**<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * An integration test that starts the cluster with three replicas for the meta<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * It then creates a table, flushes the meta, kills the server holding the primary.<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * After that a client issues put/get requests on the created table - the other<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * replicas of the meta would be used to get the location of the region of the created<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * table.<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> */<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>@Category(IntegrationTests.class)<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>public class IntegrationTestMetaReplicas {<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> /**<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * Util to get at the cluster.<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> private static IntegrationTestingUtility util;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> @BeforeClass<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> public static void setUp() throws Exception {<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> // Set up the integration test util<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> if (util == null) {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> util = new IntegrationTestingUtility();<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> }<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> util.getConfiguration().setInt(HConstants.META_REPLICAS_NUM, 3);<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> util.getConfiguration().setInt(<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD, 1000);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> // Make sure there are three servers.<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> util.initializeCluster(3);<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> ZKWatcher zkw = util.getZooKeeperWatcher();<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> Configuration conf = util.getConfiguration();<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> String baseZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> String primaryMetaZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> conf.get("zookeeper.znode.metaserver", "meta-region-server"));<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> // check that the data in the znode is parseable (this would also mean the znode exists)<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> ProtobufUtil.toServerName(data);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> waitUntilZnodeAvailable(1);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> waitUntilZnodeAvailable(2);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> }<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> @AfterClass<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> public static void teardown() throws Exception {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> //Clean everything up.<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> util.restoreCluster();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> util = null;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> }<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private static void waitUntilZnodeAvailable(int replicaId) throws Exception {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> String znode = util.getZooKeeperWatcher().getZNodePaths().getZNodeForReplica(replicaId);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> int i = 0;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> while (i < 1000) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> if (ZKUtil.checkExists(util.getZooKeeperWatcher(), znode) == -1) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> Thread.sleep(100);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> i++;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> } else break;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> if (i == 1000) throw new IOException("znode for meta replica " + replicaId + " not available");<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 testShutdownHandling() throws Exception {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> // This test creates a table, flushes the meta (with 3 replicas), kills the<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> // server holding the primary meta replica. Then it does a put/get into/from<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> // the test table. The put/get operations would use the replicas to locate the<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> // location of the test table's region<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> TestMetaWithReplicasShutdownHandling.shutdownMetaAndDoValidations(util);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> public static void main(String[] args) throws Exception {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> setUp();<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> new IntegrationTestMetaReplicas().testShutdownHandling();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> teardown();<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span>}<a name="line.107"></a> |
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