scale

type Config struct {
	Logger    *zap.Logger
	LogWriter io.Writer
	Stopc     chan struct{}
	EKSConfig *eksconfig.Config
	EKSAPI    eksiface.EKSAPI
}

type Scaler interface {
	// Update starts MNG scaler process, and waits for its completion.
	// ref. https://docs.aws.amazon.com/cli/latest/reference/eks/update-nodegroup-config.html
	Scale(mngName string) error
}