Lua script for redis_exporter

README.md

$ redis-cli -eval Redis_queue.lua

Redis_queue.lua

local result  = {}
local cur     = "0"
local pat     = "*:queue"
local keys = nil
local done = false

local t = redis.call('TIME')

repeat
    local r = redis.call("SCAN", cur, "MATCH", pat);

    cur  = r[1]
    keys = r[2]

    for _, v in ipairs(keys) do
        local z = redis.call("ZCOUNT", v, '0', t[1])
        table.insert(result, v)
        table.insert(result, tostring(z))
    end

    if cur == "0" then
        done = true
    end
until done

return result