code: func (c *Config) vimURL() (*url.URL, error) {
  	u, err := url.Parse("https://" + c.VSphereServer + "/sdk")
  	if err != nil {
  		return nil, fmt.Errorf("Error parse url: %s", err)
  	}
  
  	u.User = url.UserPassword(c.User, c.Password)
  
  	return u, nil
  }
docs: // vimURL returns a URL to pass to the VIM SOAP client.