prometheus-node-exporter-lua: add netclass.lua collector
All current node_exporter netclass metrics will be available. This includes speed metrics per lan port on supported DSA switches. Signed-off-by: René Treffer <treffer@measite.de>
This commit is contained in:
parent
c7378c582a
commit
a315c40b72
2 changed files with 79 additions and 1 deletions
|
@ -4,7 +4,7 @@
|
||||||
include $(TOPDIR)/rules.mk
|
include $(TOPDIR)/rules.mk
|
||||||
|
|
||||||
PKG_NAME:=prometheus-node-exporter-lua
|
PKG_NAME:=prometheus-node-exporter-lua
|
||||||
PKG_VERSION:=2021.12.21
|
PKG_VERSION:=2022.03.28
|
||||||
PKG_RELEASE:=1
|
PKG_RELEASE:=1
|
||||||
|
|
||||||
PKG_MAINTAINER:=Etienne CHAMPETIER <champetier.etienne@gmail.com>
|
PKG_MAINTAINER:=Etienne CHAMPETIER <champetier.etienne@gmail.com>
|
||||||
|
@ -43,6 +43,7 @@ define Package/prometheus-node-exporter-lua/install
|
||||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/netdev.lua $(1)/usr/lib/lua/prometheus-collectors/
|
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/netdev.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/time.lua $(1)/usr/lib/lua/prometheus-collectors/
|
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/time.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/uname.lua $(1)/usr/lib/lua/prometheus-collectors/
|
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/uname.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||||
|
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/netclass.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||||
endef
|
endef
|
||||||
|
|
||||||
define Package/prometheus-node-exporter-lua/conffiles
|
define Package/prometheus-node-exporter-lua/conffiles
|
||||||
|
|
|
@ -0,0 +1,77 @@
|
||||||
|
local ubus = require "ubus"
|
||||||
|
|
||||||
|
-- reference/further reading:
|
||||||
|
-- - node_exporter netclass_linux (upstream metrics): https://github.com/prometheus/node_exporter/blob/master/collector/netclass_linux.go
|
||||||
|
-- - relevant sysfs files: https://github.com/prometheus/procfs/blob/5f46783c017ef6a934fc8cfa6d1a2206db21401b/sysfs/net_class.go#L121
|
||||||
|
-- - get devices / read files: https://github.com/openwrt/packages/blob/openwrt-21.02/utils/prometheus-node-exporter-lua/files/usr/lib/lua/prometheus-collectors/snmp6.lua
|
||||||
|
|
||||||
|
local function get_devices() -- based on hostapd_stations.lua
|
||||||
|
local u = ubus.connect()
|
||||||
|
local status = u:call("network.device", "status", {})
|
||||||
|
local devices = {}
|
||||||
|
|
||||||
|
for dev, dev_table in pairs(status) do
|
||||||
|
table.insert(devices, dev)
|
||||||
|
end
|
||||||
|
return devices
|
||||||
|
end
|
||||||
|
|
||||||
|
local function load(device, file) -- load a single sysfs file, trim trailing newline, return nil on error
|
||||||
|
local success, data = pcall(function () return string.gsub(get_contents("/sys/class/net/" .. device .. "/" .. file), "\n$", "") end)
|
||||||
|
if success then
|
||||||
|
return data
|
||||||
|
else
|
||||||
|
return nil
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
local function file_gauge(name, device, file)
|
||||||
|
local value = load(device, file)
|
||||||
|
if value ~= nil then
|
||||||
|
metric("node_network_" .. name, "gauge", {device = device}, tonumber(value))
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
local function file_counter(name, device, file)
|
||||||
|
local value = load(device, file)
|
||||||
|
if value ~= nil then
|
||||||
|
metric("node_network_" .. name, "counter", {device = device}, tonumber(value))
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
local function get_metric(device)
|
||||||
|
local address = load(device, "address")
|
||||||
|
local broadcast = load(device, "broadcast")
|
||||||
|
local duplex = load(device, "duplex")
|
||||||
|
local operstate = load(device, "operstate")
|
||||||
|
local ifalias = load(device, "ifalias")
|
||||||
|
metric("node_network_info", "gauge", {device = device, address = address, broadcast = broadcast, duplex = duplex, operstate = operstate, ifalias = ifalias}, 1)
|
||||||
|
file_gauge("address_assign_type", device, "addr_assign_type")
|
||||||
|
file_gauge("carrier", device, "carrier")
|
||||||
|
file_counter("carrier_changes_total", device, "carrier_changes")
|
||||||
|
file_counter("carrier_up_changes_total", device, "carrier_up_count")
|
||||||
|
file_counter("carrier_down_changes_total", device, "carrier_down_count")
|
||||||
|
file_gauge("device_id", device, "dev_id")
|
||||||
|
file_gauge("dormant", device, "dormant")
|
||||||
|
file_gauge("flags", device, "flags")
|
||||||
|
file_gauge("iface_id", device, "ifindex")
|
||||||
|
file_gauge("iface_link", device, "iflink")
|
||||||
|
file_gauge("iface_link_mode", device, "link_mode")
|
||||||
|
file_gauge("mtu_bytes", device, "mtu")
|
||||||
|
file_gauge("name_assign_type", device, "name_assign_type")
|
||||||
|
file_gauge("net_dev_group", device, "netdev_group")
|
||||||
|
file_gauge("transmit_queue_length", device, "tx_queue_len")
|
||||||
|
file_gauge("protocol_type", device, "type")
|
||||||
|
local speed = load(device, "speed")
|
||||||
|
if speed ~= nil and tonumber(speed) >= 0 then
|
||||||
|
metric("node_network_speed_bytes", "gauge", {device = device}, tonumber(speed)*1000*1000/8)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
local function scrape()
|
||||||
|
for _, devicename in ipairs(get_devices()) do
|
||||||
|
get_metric(devicename)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
return { scrape = scrape }
|
Loading…
Reference in a new issue