/*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* THE SOFTWARE.
*/
package hudson.plugins.hadoop;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.server.datanode.DataNode;
import java.io.File;
import java.io.IOException;
/**
* Starts a {@link DataNode}.
*/
class DataNodeStartTask extends SlaveTask {
DataNodeStartTask(String hdfsUrl, String rootPath, String address) {
super(hdfsUrl, rootPath, address);
}
public Void call() throws IOException {
System.out.println("Starting data node");
Configuration conf = new Configuration();
conf.set("fs.default.name",hdfsUrl);
conf.set("dfs.data.dir",new File(new File(rootPath),"hadoop/datanode").getAbsolutePath());
conf.set("dfs.datanode.address", "0.0.0.0:0");
conf.set("dfs.datanode.http.address", "0.0.0.0:0");
conf.set("dfs.datanode.ipc.address", "0.0.0.0:0");
conf.set("slave.host.name", slaveHostName);
// TODO: make this configurable
// make room for builds
conf.setLong("dfs.datanode.du.reserved",10L*1024*1024*1024);
DataNode dn = DataNode.instantiateDataNode(new String[0],conf);
DataNode.runDatanodeDaemon(dn);
return null;
}
private static final long serialVersionUID = 1L;
}