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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 or more contributor license<a name="line.2"></a>
<span class="sourceLineNo">003</span> * agreements. See the NOTICE file distributed with this work for additional information regarding<a name="line.3"></a>
<span class="sourceLineNo">004</span> * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the<a name="line.4"></a>
<span class="sourceLineNo">005</span> * "License"); you may not use this file except in compliance with the License. You may obtain a<a name="line.5"></a>
<span class="sourceLineNo">006</span> * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable<a name="line.6"></a>
<span class="sourceLineNo">007</span> * law or agreed to in writing, software distributed under the License is distributed on an "AS IS"<a name="line.7"></a>
<span class="sourceLineNo">008</span> * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License<a name="line.8"></a>
<span class="sourceLineNo">009</span> * for the specific language governing permissions and limitations under the License.<a name="line.9"></a>
<span class="sourceLineNo">010</span> */<a name="line.10"></a>
<span class="sourceLineNo">011</span>package org.apache.hadoop.hbase.replication.regionserver;<a name="line.11"></a>
<span class="sourceLineNo">012</span><a name="line.12"></a>
<span class="sourceLineNo">013</span>import java.io.File;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import java.io.IOException;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import java.net.URL;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import java.util.HashMap;<a name="line.16"></a>
<span class="sourceLineNo">017</span>import java.util.Map;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import org.apache.hadoop.conf.Configuration;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import org.apache.hadoop.fs.FileUtil;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.hadoop.fs.Path;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.HConstants;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.slf4j.Logger;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.slf4j.LoggerFactory;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>/**<a name="line.28"></a>
<span class="sourceLineNo">029</span> * This will load all the xml configuration files for the source cluster replication ID from<a name="line.29"></a>
<span class="sourceLineNo">030</span> * user configured replication configuration directory.<a name="line.30"></a>
<span class="sourceLineNo">031</span> */<a name="line.31"></a>
<span class="sourceLineNo">032</span>@InterfaceAudience.Private<a name="line.32"></a>
<span class="sourceLineNo">033</span>public class DefaultSourceFSConfigurationProvider implements SourceFSConfigurationProvider {<a name="line.33"></a>
<span class="sourceLineNo">034</span> private static final Logger LOG =<a name="line.34"></a>
<span class="sourceLineNo">035</span> LoggerFactory.getLogger(DefaultSourceFSConfigurationProvider.class);<a name="line.35"></a>
<span class="sourceLineNo">036</span><a name="line.36"></a>
<span class="sourceLineNo">037</span> // Map containing all the source clusters configurations against their replication cluster id<a name="line.37"></a>
<span class="sourceLineNo">038</span> private final Map&lt;String, Configuration&gt; sourceClustersConfs = new HashMap&lt;&gt;();<a name="line.38"></a>
<span class="sourceLineNo">039</span> private static final String XML = ".xml";<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span> @Override<a name="line.41"></a>
<span class="sourceLineNo">042</span> public Configuration getConf(Configuration sinkConf, String replicationClusterId)<a name="line.42"></a>
<span class="sourceLineNo">043</span> throws IOException {<a name="line.43"></a>
<span class="sourceLineNo">044</span> if (sourceClustersConfs.get(replicationClusterId) == null) {<a name="line.44"></a>
<span class="sourceLineNo">045</span> synchronized (this.sourceClustersConfs) {<a name="line.45"></a>
<span class="sourceLineNo">046</span> if (sourceClustersConfs.get(replicationClusterId) == null) {<a name="line.46"></a>
<span class="sourceLineNo">047</span> LOG.info("Loading source cluster FS client conf for cluster " + replicationClusterId);<a name="line.47"></a>
<span class="sourceLineNo">048</span> // Load only user provided client configurations.<a name="line.48"></a>
<span class="sourceLineNo">049</span> Configuration sourceClusterConf = new Configuration(false);<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span> String replicationConfDir = sinkConf.get(HConstants.REPLICATION_CONF_DIR);<a name="line.51"></a>
<span class="sourceLineNo">052</span> if (replicationConfDir == null) {<a name="line.52"></a>
<span class="sourceLineNo">053</span> LOG.debug(HConstants.REPLICATION_CONF_DIR + " is not configured.");<a name="line.53"></a>
<span class="sourceLineNo">054</span> URL resource = HBaseConfiguration.class.getClassLoader().getResource("hbase-site.xml");<a name="line.54"></a>
<span class="sourceLineNo">055</span> if (resource != null) {<a name="line.55"></a>
<span class="sourceLineNo">056</span> String path = resource.getPath();<a name="line.56"></a>
<span class="sourceLineNo">057</span> replicationConfDir = path.substring(0, path.lastIndexOf("/"));<a name="line.57"></a>
<span class="sourceLineNo">058</span> } else {<a name="line.58"></a>
<span class="sourceLineNo">059</span> replicationConfDir = System.getenv("HBASE_CONF_DIR");<a name="line.59"></a>
<span class="sourceLineNo">060</span> }<a name="line.60"></a>
<span class="sourceLineNo">061</span> }<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span> File confDir = new File(replicationConfDir, replicationClusterId);<a name="line.63"></a>
<span class="sourceLineNo">064</span> LOG.info("Loading source cluster " + replicationClusterId<a name="line.64"></a>
<span class="sourceLineNo">065</span> + " file system configurations from xml "<a name="line.65"></a>
<span class="sourceLineNo">066</span> + "files under directory " + confDir);<a name="line.66"></a>
<span class="sourceLineNo">067</span> String[] listofConfFiles = FileUtil.list(confDir);<a name="line.67"></a>
<span class="sourceLineNo">068</span> for (String confFile : listofConfFiles) {<a name="line.68"></a>
<span class="sourceLineNo">069</span> if (new File(confDir, confFile).isFile() &amp;&amp; confFile.endsWith(XML)) {<a name="line.69"></a>
<span class="sourceLineNo">070</span> // Add all the user provided client conf files<a name="line.70"></a>
<span class="sourceLineNo">071</span> sourceClusterConf.addResource(new Path(confDir.getPath(), confFile));<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> this.sourceClustersConfs.put(replicationClusterId, sourceClusterConf);<a name="line.74"></a>
<span class="sourceLineNo">075</span> }<a name="line.75"></a>
<span class="sourceLineNo">076</span> }<a name="line.76"></a>
<span class="sourceLineNo">077</span> }<a name="line.77"></a>
<span class="sourceLineNo">078</span> return this.sourceClustersConfs.get(replicationClusterId);<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>
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