func (c *Cluster) ImageAliasRename(id int, name string) error {
	err := exec(c.db, "UPDATE images_aliases SET name=? WHERE id=?", name, id)
	return err
}
func (c *Cluster) ImageAliasRename(id int, name string) error {
	err := exec(c.db, "UPDATE images_aliases SET name=? WHERE id=?", name, id)
	return err
}
// ImageAliasRename renames the alias with the given ID.