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/*
* SonarQube
* Copyright (C) 2009-2023 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.application;
import org.slf4j.LoggerFactory;
import org.sonar.application.command.CommandFactory;
import org.sonar.application.command.CommandFactoryImpl;
import org.sonar.application.config.AppSettings;
import org.sonar.application.config.AppSettingsLoader;
import org.sonar.application.config.AppSettingsLoaderImpl;
import org.sonar.core.extension.ServiceLoaderWrapper;
import org.sonar.process.System2;
import org.sonar.process.SystemExit;
import static org.sonar.application.config.SonarQubeVersionHelper.getSonarqubeVersion;
import static org.sonar.process.ProcessProperties.Property.CLUSTER_NAME;
public class App {
private final SystemExit systemExit = new SystemExit();
private StopRequestWatcher stopRequestWatcher = null;
private StopRequestWatcher hardStopRequestWatcher = null;
public void start(String[] cliArguments) {
AppSettingsLoader settingsLoader = new AppSettingsLoaderImpl(System2.INSTANCE, cliArguments, new ServiceLoaderWrapper());
AppSettings settings = settingsLoader.load();
// order is important - logging must be configured before any other components (AppFileSystem, ...)
AppLogging logging = new AppLogging(settings);
logging.configure();
AppFileSystem fileSystem = new AppFileSystem(settings);
try (AppState appState = new AppStateFactory(settings).create()) {
appState.registerSonarQubeVersion(getSonarqubeVersion());
appState.registerClusterName(settings.getProps().nonNullValue(CLUSTER_NAME.getKey()));
AppReloader appReloader = new AppReloaderImpl(settingsLoader, fileSystem, appState, logging);
fileSystem.reset();
CommandFactory commandFactory = new CommandFactoryImpl(settings.getProps(), fileSystem.getTempDir(), System2.INSTANCE);
try (ProcessLauncher processLauncher = new ProcessLauncherImpl(fileSystem.getTempDir())) {
Scheduler scheduler = new SchedulerImpl(settings, appReloader, commandFactory, processLauncher, appState);
scheduler.schedule();
stopRequestWatcher = StopRequestWatcherImpl.create(settings, scheduler, fileSystem);
hardStopRequestWatcher = HardStopRequestWatcherImpl.create(scheduler, fileSystem);
// intercepts CTRL-C
Runtime.getRuntime().addShutdownHook(new ShutdownHook(scheduler));
stopRequestWatcher.startWatching();
hardStopRequestWatcher.startWatching();
scheduler.awaitTermination();
hardStopRequestWatcher.stopWatching();
}
} catch (Exception e) {
LoggerFactory.getLogger(App.class).error("Startup failure", e);
}
systemExit.exit(0);
}
public static void main(String[] args) {
new App().start(args);
}
private class ShutdownHook extends Thread {
private final Scheduler scheduler;
public ShutdownHook(Scheduler scheduler) {
super("Shutdown Hook");
this.scheduler = scheduler;
}
@Override
public void run() {
systemExit.setInShutdownHook();
stopRequestWatcher.stopWatching();
hardStopRequestWatcher.stopWatching();
// blocks until everything is corrected terminated
scheduler.stop();
}
}
}
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