code: @Override
  	public MachineConfigurator machineConfigurator( TargetHandlerParameters parameters, String machineId ) {
  
  		String rootInstanceName = InstanceHelpers.findRootInstancePath( parameters.getScopedInstancePath());
  		return new Ec2MachineConfigurator(
  				parameters.getTargetProperties(),
  				machineId,
  				parameters.getApplicationName(),
  				rootInstanceName,
  				parameters.getScopedInstance());
  	}
docs: /*
  (non-Javadoc)
  @see net.roboconf.target.api.AbstractThreadedTargetHandler#machineConfigurator(
  net.roboconf.target.api.TargetHandlerParameters, java.lang.String)