VirtualChannel start(TaskListener listener, String rootPassword)
throws IOException, InterruptedException {
final int uid = LIBC.geteuid();
if (uid == 0) // already running as root
return newLocalChannel();
String javaExe = System.getProperty("java.home") + "/bin/java";
File slaveJar = Which.jarFile(Launcher.class);
ArgumentListBuilder args = new ArgumentListBuilder().add(javaExe);
if (slaveJar.isFile()) args.add("-jar").add(slaveJar);
else // in production code this never happens, but during debugging this is convenientud
args.add("-cp").add(slaveJar).add(hudson.remoting.Launcher.class.getName());
if (rootPassword == null) {
// try sudo, in the hope that the user has the permission to do so without password
return new LocalLauncher(listener)
.launchChannel(
args.prepend(sudoExe()).toCommandArray(),
listener.getLogger(),
null,
Collections.<String, String>emptyMap());
} else {
// try sudo with the given password. Also run in pfexec so that we can elevate the
// privileges
Process proc = sudoWithPass(args);
return Channels.forProcess(
args.toStringWithQuote(), Computer.threadPoolForRemoting, proc, listener.getLogger());
}
}
/**
* main method
*
* @param args command line arguments
*/
public static void main(final String[] args) {
CONF_FILE_PATH = FileUtils.getConfigurationFilePath(args);
try {
// read configuration silently, to avoid logging before initializing the logger
configuration = FileUtils.getConfiguration(args, true);
} catch (ConfigurationException ex) {
LOGGER.info("Starting " + ansi().fg(RED).bold().a("RESTHeart").reset().toString());
if (RESTHEART_VERSION != null) {
LOGGER.info("version {}", RESTHEART_VERSION);
}
LOGGER.error(ex.getMessage() + ", exiting...", ex);
stopServer(false);
System.exit(-1);
}
if (!hasForkOption(args)) {
startServer(false);
} else {
if (OSChecker.isWindows()) {
LOGGER.info("Starting " + ansi().fg(RED).bold().a("RESTHeart").reset().toString());
if (RESTHEART_VERSION != null) {
LOGGER.info("version {}", RESTHEART_VERSION);
}
LOGGER.error("Fork is not supported on Windows");
LOGGER.info(ansi().fg(GREEN).bold().a("RESTHeart stopped").reset().toString());
System.exit(-1);
}
// RHDaemon only works on POSIX OSes
final boolean isPosix =
FileSystems.getDefault().supportedFileAttributeViews().contains("posix");
if (!isPosix) {
LOGGER.info("Unable to fork process, " + "this is only supported on POSIX compliant OSes");
stopServer(false);
System.exit(-1);
}
RHDaemon d = new RHDaemon();
if (d.isDaemonized()) {
try {
d.init();
LOGGER.info("Forked process: {}", LIBC.getpid());
initLogging(args, d);
} catch (Throwable t) {
LOGGER.error("Error staring forked process", t);
stopServer(false, false);
System.exit(-1);
}
startServer(true);
} else {
initLogging(args, d);
try {
LOGGER.info("Starting " + ansi().fg(RED).bold().a("RESTHeart").reset().toString());
if (RESTHEART_VERSION != null) {
LOGGER.info("version {}", RESTHEART_VERSION);
}
logLoggingConfiguration(true);
d.daemonize();
} catch (Throwable t) {
LOGGER.error("Error forking", t);
stopServer(false, false);
System.exit(-1);
}
}
}
}
