local _M = {}

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

    local handle = io.popen(uuid_cmd)
    local result = handle:read("*a")
    local r2 = string.gsub(result, "%s+", "")
    local r3 = string.gsub(r2,"\n","")
    ngx.log(ngx.INFO, "uuid -> ", r3)
    return r3
end

return _M