/*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* 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
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting.jnlp;
import org.kohsuke.args4j.Option;
import org.kohsuke.args4j.CmdLineParser;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.CmdLineException;
import java.util.logging.Logger;
import java.util.logging.Level;
import static java.util.logging.Level.INFO;
import java.util.List;
import java.util.ArrayList;
import java.net.URL;
import java.io.IOException;
import hudson.remoting.Engine;
import hudson.remoting.EngineListener;
/**
* Entry point to JNLP slave agent.
*
* <p>
* See also <tt>slave-agent.jnlp.jelly</tt> in the core.
*
* @author Kohsuke Kawaguchi
*/
public class Main {
@Option(name="-tunnel",metaVar="HOST:PORT",
usage="Connect to the specified host and port, instead of connecting directly to Hudson. " +
"Useful when connection to Hudson needs to be tunneled. Can be also HOST: or :PORT, " +
"in which case the missing portion will be auto-configured like the default behavior")
public String tunnel;
@Option(name="-headless",
usage="Run in headless mode, without GUI")
public boolean headlessMode = Boolean.getBoolean("hudson.agent.headless")
|| Boolean.getBoolean("hudson.webstart.headless");
@Option(name="-url",
usage="Specify the Hudson root URLs to connect to.")
public final List<URL> urls = new ArrayList<URL>();
@Option(name="-credentials",metaVar="USER:PASSWORD",
usage="HTTP BASIC AUTH header to pass in for making HTTP requests.")
public String credentials;
@Option(name="-noreconnect",
usage="If the connection ends, don't retry and just exit.")
public boolean noReconnect = false;
/**
* 4 mandatory parameters.
* Host name (deprecated), Hudson URL, secret key, and slave name.
*/
@Argument
public final List<String> args = new ArrayList<String>();
public static void main(String[] args) throws IOException, InterruptedException {
try {
_main(args);
} catch (CmdLineException e) {
System.err.println(e.getMessage());
System.err.println("java -jar slave.jar [options...] <secret key> <slave name>");
new CmdLineParser(new Main()).printUsage(System.err);
}
}
/**
* Main without the argument handling.
*/
public static void _main(String[] args) throws IOException, InterruptedException, CmdLineException {
// see http://forum.java.sun.com/thread.jspa?threadID=706976&tstart=0
// not sure if this is the cause, but attempting to fix
// http://issues.hudson-ci.org/browse/HUDSON-310
// by overwriting the security manager.
try {
System.setSecurityManager(null);
} catch (SecurityException e) {
// ignore and move on.
// some user reported that this happens on their JVM: http://d.hatena.ne.jp/tueda_wolf/20080723
}
Main m = new Main();
CmdLineParser p = new CmdLineParser(m);
p.parseArgument(args);
if(m.args.size()!=2)
throw new CmdLineException("two arguments required, but got "+m.args);
if(m.urls.isEmpty())
throw new CmdLineException("At least one -url option is required.");
m.main();
}
public void main() throws IOException, InterruptedException {
Engine engine = new Engine(
headlessMode ? new CuiListener() : new GuiListener(),
urls, args.get(0), args.get(1));
if(tunnel!=null)
engine.setTunnel(tunnel);
if(credentials!=null)
engine.setCredentials(credentials);
engine.setNoReconnect(noReconnect);
engine.start();
engine.join();
}
/**
* {@link EngineListener} implementation that sends output to {@link Logger}.
*/
private static final class CuiListener implements EngineListener {
private CuiListener() {
LOGGER.info("Hudson agent is running in headless mode.");
}
public void status(String msg, Throwable t) {
LOGGER.log(INFO,msg,t);
}
public void status(String msg) {
status(msg,null);
}
public void error(Throwable t) {
LOGGER.log(Level.SEVERE, t.getMessage(), t);
System.exit(-1);
}
public void onDisconnect() {
}
}
private static final Logger LOGGER = Logger.getLogger(Main.class.getName());
}