@John, yes I think new option value should be able to just provide a complete permission code, and allow admin/operator set any value to it, including group permission field. And invalid code will be logged as an exception when glance try to apply it.
@John, yes I think new option value should be able to just provide a complete permission code, and allow admin/operator set any value to it, including group permission field. And invalid code will be logged as an exception when glance try to apply it.