org.springframework.yarn.am.CommandLineAppmasterRunner Maven / Gradle / Ivy
The newest version!
/*
* Copyright 2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.yarn.am;
import java.util.List;
import java.util.Properties;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.util.StringUtils;
import org.springframework.yarn.YarnSystemConstants;
import org.springframework.yarn.launch.AbstractCommandLineRunner;
import org.springframework.yarn.launch.ExitStatus;
import org.springframework.yarn.listener.AppmasterStateListener;
/**
* Simple launcher for application master.
*
* @author Janne Valkealahti
*
*/
public class CommandLineAppmasterRunner extends AbstractCommandLineRunner{
private static final Log log = LogFactory.getLog(CommandLineAppmasterRunner.class);
/** Latch to wait appmaster complete state */
private CountDownLatch latch = new CountDownLatch(1);
@Override
protected ExitStatus handleBeanRun(YarnAppmaster bean, String[] parameters, Set opts) {
Properties properties = StringUtils.splitArrayElementsIntoProperties(parameters, "=");
bean.setParameters(properties != null ? properties : new Properties());
bean.setEnvironment(System.getenv());
if(log.isDebugEnabled()) {
log.debug("Starting YarnAppmaster bean: " + StringUtils.arrayToCommaDelimitedString(parameters));
}
bean.addAppmasterStateListener(new AppmasterStateListener() {
@Override
public void state(AppmasterState state) {
if(state == AppmasterState.COMPLETED) {
latch.countDown();
}
}
});
bean.submitApplication();
if(log.isDebugEnabled()) {
log.debug("Waiting latch to receive appmaster complete state");
}
try {
latch.await();
} catch (InterruptedException e) {
log.debug("Latch interrupted");
}
log.info("Bean run completed");
return ExitStatus.COMPLETED;
}
@Override
protected String getDefaultBeanIdentifier() {
return YarnSystemConstants.DEFAULT_ID_APPMASTER;
}
@Override
protected List getValidOpts() {
return null;
}
public static void main(String[] args) {
new CommandLineAppmasterRunner().doMain(args);
}
}