def ensure_grey_item_by_name(item_name):
grey_item = GreyItem.get_by_item_name(item_name)
if not grey_item:
raise GulDanException().with_code(404).with_message(
u"找不到配置项(name:{})的灰度版本".format(item_name))
return grey_item
def grey_item_delete(item_id):
grey_item = ensure_grey_item(item_id)
invalidate_cache_for_grey(item_id, grey_item.item_name,
grey_item.item_visibility)
GreyItem.delete_by_item_id(item_id)
Item.unset_grey(item_id)