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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><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.conf.Configuration;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.util.ReflectionUtils;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>/**<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> * Facility for <strong>integration/system</strong> tests. This extends {@link HBaseTestingUtility}<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> * and adds-in the functionality needed by integration and system tests. This class understands<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> * distributed and pseudo-distributed/local cluster deployments, and abstracts those from the tests<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> * in this module.<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> * <p><a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * IntegrationTestingUtility is constructed and used by the integration tests, but the tests<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * themselves should not assume a particular deployment. They can rely on the methods in this<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * class and HBaseCluster. Before the testing begins, the test should initialize the cluster by<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * calling {@link #initializeCluster(int)}.<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * <p><a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * The cluster that is used defaults to a mini cluster, but it can be forced to use a distributed<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * cluster by calling {@link #setUseDistributedCluster(Configuration)}. This method is invoked by<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * test drivers (maven, IntegrationTestsDriver, etc) before initializing the cluster<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * via {@link #initializeCluster(int)}. Individual tests should not directly call<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * {@link #setUseDistributedCluster(Configuration)}.<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> */<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>public class IntegrationTestingUtility extends HBaseTestingUtility {<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> public IntegrationTestingUtility() {<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> this(HBaseConfiguration.create());<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> }<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public IntegrationTestingUtility(Configuration conf) {<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> super(conf);<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> }<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> /**<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * Configuration that controls whether this utility assumes a running/deployed cluster.<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * This is different than "hbase.cluster.distributed" since that parameter indicates whether the<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * cluster is in an actual distributed environment, while this shows that there is a<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * deployed (distributed or pseudo-distributed) cluster running, and we do not need to<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * start a mini-cluster for tests.<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> public static final String IS_DISTRIBUTED_CLUSTER = "hbase.test.cluster.distributed";<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> /** Config for pluggable hbase cluster manager */<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private static final String HBASE_CLUSTER_MANAGER_CLASS = "hbase.it.clustermanager.class";<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private static final Class<? extends ClusterManager> DEFAULT_HBASE_CLUSTER_MANAGER_CLASS =<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> HBaseClusterManager.class;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> /**<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * Initializes the state of the cluster. It starts a new in-process mini cluster, OR<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * if we are given an already deployed distributed cluster it initializes the state.<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * @param numSlaves Number of slaves to start up if we are booting a mini cluster. Otherwise<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * we check whether this many nodes are available and throw an exception if not.<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> */<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> public void initializeCluster(int numSlaves) throws Exception {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> if (isDistributedCluster()) {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> createDistributedHBaseCluster();<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> checkNodeCount(numSlaves);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> } else {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> startMiniCluster(numSlaves);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<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> /**<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> * Checks whether we have more than numSlaves nodes. Throws an<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * exception otherwise.<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> */<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> public void checkNodeCount(int numSlaves) throws Exception {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> HBaseCluster cluster = getHBaseClusterInterface();<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> if (cluster.getClusterMetrics().getLiveServerMetrics().size() < numSlaves) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> throw new Exception("Cluster does not have enough nodes:" + numSlaves);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> }<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> * Restores the cluster to the initial state if it is a distributed cluster, otherwise, shutdowns the<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * mini cluster.<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> */<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> public void restoreCluster() throws IOException {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> if (isDistributedCluster()) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> getHBaseClusterInterface().restoreInitialStatus();<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> } else {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> try {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> shutdownMiniCluster();<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> } catch (Exception e) {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> // re-wrap into IOException<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> throw new IOException(e);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<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> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> /**<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * Sets the configuration property to use a distributed cluster for the integration tests. Test drivers<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * should use this to enforce cluster deployment.<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> */<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> public static void setUseDistributedCluster(Configuration conf) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> conf.setBoolean(IS_DISTRIBUTED_CLUSTER, true);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> System.setProperty(IS_DISTRIBUTED_CLUSTER, "true");<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> /**<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> * @return whether we are interacting with a distributed cluster as opposed to and in-process mini<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> * cluster or a local cluster.<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> * @see IntegrationTestingUtility#setUseDistributedCluster(Configuration)<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> */<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> public boolean isDistributedCluster() {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> Configuration conf = getConfiguration();<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> boolean isDistributedCluster = false;<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> isDistributedCluster = Boolean.parseBoolean(System.getProperty(IS_DISTRIBUTED_CLUSTER, "false"));<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> if (!isDistributedCluster) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> isDistributedCluster = conf.getBoolean(IS_DISTRIBUTED_CLUSTER, false);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return isDistributedCluster;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> public void createDistributedHBaseCluster() throws IOException {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> //if it is a distributed HBase cluster, use the conf provided by classpath<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> //to set hbase dir and fs.defaultFS.<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> //Since when the super class HBaseTestingUtility initializing, it will<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> //change hbase.rootdir to a local test dir.<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> //we use "original.defaultFS" and "original.hbase.dir" to restore them.<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> Configuration conf = getConfiguration();<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> if (conf.get("original.defaultFS") != null) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> conf.set("fs.defaultFS", conf.get("original.defaultFS"));<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> if (conf.get("original.hbase.dir") != null) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> conf.set(HConstants.HBASE_DIR, conf.get("original.hbase.dir"));<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> LOG.debug("Setting {} to {} since it is a distributed cluster",<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> HConstants.HBASE_DIR, conf.get(HConstants.HBASE_DIR));<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> Class<? extends ClusterManager> clusterManagerClass = conf.getClass(HBASE_CLUSTER_MANAGER_CLASS,<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> DEFAULT_HBASE_CLUSTER_MANAGER_CLASS, ClusterManager.class);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> LOG.info("Instantiating {}", clusterManagerClass.getName());<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> ClusterManager clusterManager = ReflectionUtils.newInstance(<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> clusterManagerClass, conf);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> setHBaseCluster(new DistributedHBaseCluster(conf, clusterManager));<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> getAdmin();<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> }<a name="line.155"></a> |
| <span class="sourceLineNo">156</span><a name="line.156"></a> |
| <span class="sourceLineNo">157</span>}<a name="line.157"></a> |
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| </pre> |
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