func ControllerSeries(now time.Time, requestedSeries, imageStream string) (set.Strings, error) {
	supported, err := seriesForTypes(UbuntuDistroInfo, now, requestedSeries, imageStream)
	if err != nil {
		return nil, errors.Trace(err)
	}
	return set.NewStrings(supported.controllerSeries()...), nil
}
// ControllerSeries returns all the controller series available to it at the
// execution time.
ControllerSeries returns all the controller series available to it at the
execution time.
// ControllerSeries returns all the controller series available to it at the // execution time .
func ControllerSeries(now time.Time, requestedSeries, imageStream string) (set.Strings, error) {
	supported, err := seriesForTypes(UbuntuDistroInfo, now, requestedSeries, imageStream)
	if err != nil {
		return nil, errors.Trace(err)
	}
	return set.NewStrings(supported.controllerSeries()...), nil
}
func ControllerSeries ( now time . Time , requestedSeries , imageStream string ) ( set . Strings , error ) { supported , err := seriesForTypes ( UbuntuDistroInfo , now , requestedSeries , imageStream ) if err != nil { return nil , errors . Trace ( err ) } return set . NewStrings ( supported . controllerSeries ( ) ... ) , nil }
ControllerSeries returns all the controller series available to it at the
execution time.
ControllerSeries returns all the controller series available to it at the execution time .