func (d *Driver) GetIP() (string, error) {
	c, err := newComputeUtil(d)
	if err != nil {
		return "", err
	}

	ip, err := c.ip()
	if err != nil {
		return "", err
	}
	if ip == "" {
		return "", drivers.ErrHostIsNotRunning
	}

	return ip, nil
}
func (d *Driver) GetIP() (string, error) {
	c, err := newComputeUtil(d)
	if err != nil {
		return "", err
	}

	ip, err := c.ip()
	if err != nil {
		return "", err
	}
	if ip == "" {
		return "", drivers.ErrHostIsNotRunning
	}

	return ip, nil
}
// GetIP returns the IP address of the GCE instance.