resty_functions/scripts/lib/my_uuid.lua

local _M = {}

function _M.uuid()
    local uuid_cmd = "/usr/bin/uuid"

    local result, _, code = os.execute(uuid_cmd)

    if result and code == 0 then
        ngx.log(ngx.INFO, "uuid -> ", result)
        return result
    else
        ngx.status = 500
        ngx.log(ngx.ERR, "UUID GENERATION *FAILED*")
        ngx.exit()
    end
end

return _M