a worker manager example for MiCloud

MiCloudWorkerManager.java

package com.example.worker;

import java.io.File;

import org.qty.joyent.SmartDCClient;
import org.qty.joyent.extra.GroupManager;
import org.qty.joyent.extra.GroupSpec;
import static com.example.Config.*;

public class MiCloudWorkerManager {

    SmartDCClient client;
    File scripts;
    GroupSpec spec;
    GroupManager manager;

    public MiCloudWorkerManager() throws Exception {
        initGroupSpecAndManager();
    }

    protected void initGroupSpecAndManager() throws Exception {
        client = new SmartDCClient(MICLOUD_API_SERVER, 
                MICLOUD_ACCOUNT, MICLOUD_KEYPAIR, findMiCloudKeyFile());

        spec = new GroupSpec(MICLOUD_INSTANCE_GROUP, 
                MICLOUD_INSTANCE_DATASET, MICLOUD_INSTANCE_PACKAGE,
                findMiCloudInitScriptFile());
        
        manager = new GroupManager(client, spec);
    }
    
    public void execute() throws Exception {
        manager.keepMachines(1);
    }

    public static void main(String[] args) throws Exception {
        MiCloudWorkerManager worker = new MiCloudWorkerManager();
        worker.execute();
    }

}