/*
* Copyright 2014 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.boot.cli;
import java.util.Properties;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import org.springframework.util.Assert;
import org.springframework.yarn.boot.app.YarnKillApplication;
/**
* Command killing yarn applications.
*
* @author Janne Valkealahti
*
*/
public class YarnKillCommand extends AbstractApplicationCommand {
public final static String DEFAULT_COMMAND = "kill";
public final static String DEFAULT_DESC = "Kill application";
/**
* Instantiates a new yarn kill command using a default command name,
* command description and option handler.
*/
public YarnKillCommand() {
super(DEFAULT_COMMAND, DEFAULT_DESC, new KillOptionHandler());
}
/**
* Instantiates a new yarn kill command using a default command name and
* command description.
*
* @param handler the handler
*/
public YarnKillCommand(KillOptionHandler handler) {
super(DEFAULT_COMMAND, DEFAULT_DESC, handler);
}
/**
* Instantiates a new yarn kill command.
*
* @param name the command name
* @param description the command description
* @param handler the handler
*/
public YarnKillCommand(String name, String description, KillOptionHandler handler) {
super(name, description, handler);
}
public static class KillOptionHandler extends ApplicationOptionHandler {
private OptionSpec<String> applicationIdOption;
@Override
protected final void options() {
this.applicationIdOption = option(CliSystemConstants.OPTIONS_APPLICATION_ID,
CliSystemConstants.DESC_APPLICATION_ID).withRequiredArg();
}
@Override
protected void runApplication(OptionSet options) throws Exception {
String appId = options.valueOf(applicationIdOption);
Assert.hasText(appId, "Application Id must be defined");
YarnKillApplication app = new YarnKillApplication();
Properties appProperties = new Properties();
appProperties.setProperty("spring.yarn.internal.YarnKillApplication.applicationId", appId);
app.appProperties(appProperties);
String info = app.run(new String[0]);
handleOutput(info);
}
public OptionSpec<String> getApplicationIdOption() {
return applicationIdOption;
}
}
}