com.ipcglobal.awscdh.config.ManageCluster.java Source code

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Here is the source code for com.ipcglobal.awscdh.config.ManageCluster.java

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/**
 *    Copyright 2015 IPC Global (http://www.ipc-global.com) and others.
 * 
 *    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 com.ipcglobal.awscdh.config;

import java.io.FileInputStream;
import java.util.Properties;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.ipcglobal.awscdh.util.LogTool;
import com.ipcglobal.awscdh.util.Utils;

/**
 * The Class ManageCluster.
 * Starts/Stops CDH Services and EC2 Instances based on values in passed properties file
 */
public class ManageCluster {

    /** The Constant log. */
    private static final Log log = LogFactory.getLog(ManageCluster.class);

    /**
     * The main method.
     *
     * @param args the arguments
     * @throws Exception the exception
     */
    public static void main(String[] args) throws Exception {
        try {
            long before = System.currentTimeMillis();
            LogTool.initConsole();
            if (args.length <= 1)
                throw new Exception(
                        "Action and Properties file name are required parameter - format: start|stop example.properties");
            String action = args[0];
            log.info("Begin: action=" + action);
            Properties properties = new Properties();
            properties.load(new FileInputStream(args[1]));
            ManageEc2 manageEc2 = new ManageEc2(properties);
            ManageCdh manageCdh = new ManageCdh(properties);

            if ("start".equals(action)) {
                manageEc2.start();
                manageCdh.start();
            } else if ("stop".equals(action)) {
                manageCdh.stop();
                manageEc2.stop();
            } else
                throw new Exception("Invalid action: " + action + ", must be start or stop");

            log.info("Complete: action=" + action + ", elapsed "
                    + Utils.convertMSecsToHMmSs(System.currentTimeMillis() - before));

        } catch (Exception e) {
            log.error(e);
            e.printStackTrace();
        }
    }

}