/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.api.agent.server.launcher;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.eclipse.che.api.agent.shared.model.Agent;
import org.eclipse.che.api.core.ConflictException;
import org.eclipse.che.api.core.ServerException;
import org.eclipse.che.api.core.model.machine.Command;
import org.eclipse.che.api.core.util.AbstractLineConsumer;
import org.eclipse.che.api.core.util.LineConsumer;
import org.eclipse.che.api.machine.server.model.impl.CommandImpl;
import org.eclipse.che.api.machine.server.spi.Instance;
import org.eclipse.che.api.machine.server.spi.InstanceProcess;
import java.io.IOException;
import static com.google.common.base.Strings.isNullOrEmpty;
import static java.lang.String.format;
/**
* Launches agent and waits while it is finished.
*
* This agents is suited only for those types of agents that install software
* and finish working without launching any processes at the end.
*
* @author Anatolii Bazko
*/
@Singleton
public class DefaultAgentLauncher implements AgentLauncher {
@Inject
public DefaultAgentLauncher() { }
@Override
public void launch(Instance machine, Agent agent) throws ServerException {
if (isNullOrEmpty(agent.getScript())) {
return;
}
final Command command = new CommandImpl(agent.getId(), agent.getScript(), "agent");
final InstanceProcess process = machine.createProcess(command, null);
final LineConsumer lineConsumer = new AbstractLineConsumer() {
@Override
public void writeLine(String line) throws IOException {
machine.getLogger().writeLine(line);
}
};
try {
process.start(lineConsumer);
} catch (ConflictException e) {
try {
machine.getLogger().writeLine(format("[ERROR] %s", e.getMessage()));
} catch (IOException ignored) {
}
} finally {
try {
lineConsumer.close();
} catch (IOException ignored) {
}
}
}
@Override
public String getAgentId() {
return "any";
}
@Override
public String getMachineType() {
return "any";
}
}