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#!/usr/bin/lua
local json = require "cjson"
local function interpret_suffix(rate)
local value = string.sub(rate, 1, -2)
local suffix = string.sub(rate, -1)
if suffix == "K" then return tonumber(value) * 10^3 end
if suffix == "M" then return tonumber(value) * 10^6 end
if suffix == "G" then return tonumber(value) * 10^9 end
return rate
end
local function scrape()
local status = json.decode(get_contents("/var/run/bmx6/json/status")).status
local labels = {
version = status.version,
id = status.name,
address = status.primaryIp
}
metric("bmx6_status", "gauge", labels, 1)
local links = json.decode(get_contents("/var/run/bmx6/json/links")).links
local metric_bmx6_rxRate = metric("bmx6_link_rxRate","gauge")
local metric_bmx6_txRate = metric("bmx6_link_txRate","gauge")
for _, link in pairs(links) do
local labels = {
source = status.name,
target = link.name,
dev = link.viaDev
}
metric_bmx6_rxRate(labels, interpret_suffix(link.rxRate))
metric_bmx6_txRate(labels, interpret_suffix(link.txRate))
end
end
return { scrape = scrape }
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