/*******************************************************************************
* Copyright (c) 2016 Rogue Wave Software, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Rogue Wave Software, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.plugin.composer.server.projecttype;
import org.eclipse.che.api.core.util.AbstractLineConsumer;
import org.eclipse.che.api.core.util.LineConsumer;
import org.eclipse.che.api.core.util.ProcessUtil;
import org.eclipse.che.api.core.util.ValueHolder;
import org.eclipse.che.api.core.util.Watchdog;
import org.eclipse.che.api.core.util.WebsocketMessageConsumer;
import org.eclipse.che.plugin.composer.shared.Constants;
import org.eclipse.che.plugin.composer.shared.dto.ComposerOutput;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
public class ComposerCommandExecutor {
private static final Logger LOG = LoggerFactory.getLogger(ComposerCommandExecutor.class);
public static void execute(String[] commandLine, File workDir)
throws TimeoutException, IOException, InterruptedException {
ProcessBuilder pb = new ProcessBuilder(commandLine).redirectErrorStream(true).directory(workDir);
try (WebsocketMessageConsumer<ComposerOutput> websocketMessageConsumer = new WebsocketMessageConsumer<>(Constants.COMPOSER_CHANNEL_NAME)) {
websocketMessageConsumer.consume(new ComposerOutputImpl(String.join(" ", commandLine), ComposerOutput.State.START));
LineConsumer lineConsumer = new AbstractLineConsumer() {
@Override
public void writeLine(String line) throws IOException {
websocketMessageConsumer.consume(new ComposerOutputImpl(line, ComposerOutput.State.IN_PROGRESS));
}
};
// process will be stopped after timeout
Watchdog watcher = new Watchdog(10, TimeUnit.MINUTES);
try {
final Process process = pb.start();
final ValueHolder<Boolean> isTimeoutExceeded = new ValueHolder<>(false);
watcher.start(() -> {
isTimeoutExceeded.set(true);
ProcessUtil.kill(process);
});
// consume logs until process ends
ProcessUtil.process(process, lineConsumer);
process.waitFor();
websocketMessageConsumer.consume(new ComposerOutputImpl("Done", ComposerOutput.State.DONE));
if (isTimeoutExceeded.get()) {
LOG.error("Command time expired : command-line " + Arrays.toString(commandLine));
websocketMessageConsumer.consume(new ComposerOutputImpl("Installing dependencies time expired", ComposerOutput.State.ERROR));
throw new TimeoutException();
} else if (process.exitValue() != 0) {
LOG.error("Command failed : command-line " + Arrays.toString(commandLine));
websocketMessageConsumer.consume(new ComposerOutputImpl("Error occurred", ComposerOutput.State.ERROR));
throw new IOException("Process failed. Exit code " + process.exitValue() + " command-line : " + Arrays.toString(commandLine));
}
} finally {
watcher.stop();
}
}
}
}