openwrt-packages/utils/prometheus-node-exporter-lua/files/usr/lib/lua/prometheus-collectors/netstat.lua

21 lines
767 B
Lua

local function scrape()
-- NOTE: Both of these are missing in OpenWRT kernels.
-- See: https://dev.openwrt.org/ticket/15781
local netstat = get_contents("/proc/net/netstat") .. get_contents("/proc/net/snmp")
-- all devices
local netsubstat = {"IcmpMsg", "Icmp", "IpExt", "Ip", "TcpExt", "Tcp", "UdpLite", "Udp"}
for i, nss in ipairs(netsubstat) do
local substat_s = string.match(netstat, nss .. ": ([A-Z][A-Za-z0-9 ]+)")
if substat_s then
local substat = space_split(substat_s)
local substatv = space_split(string.match(netstat, nss .. ": ([0-9 -]+)"))
for ii, ss in ipairs(substat) do
metric("node_netstat_" .. nss .. "_" .. ss, "gauge", nil, substatv[ii])
end
end
end
end
return { scrape = scrape }