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prometheus-node-exporter-lua: add snmp6 exporter 

If you want statistics about IPv6 you can use snmpv6 exporter.
Currently, the "/proc/net/snmp6" is existing but all values are
just "0".

To use this plugin you have to set
  CONFIG_PROC_STRIPPED=n

I will find a way to enable the important ipv6 statistics by default.

Signed-off-by: Nick Hainke <vincent@systemli.org>
This commit is contained in:
Nick Hainke 2020-12-07 12:43:55 +01:00
parent 8310fc5a17
commit 77188d2422
2 changed files with 52 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
utils/prometheus-node-exporter-lua/Makefile
View File

@ -4,7 +4,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=prometheus-node-exporter-lua
PKG_VERSION:=2020.10.29
PKG_VERSION:=2020.12.07
PKG_RELEASE:=1
PKG_MAINTAINER:=Etienne CHAMPETIER <champetier.etienne@gmail.com>
@ -199,6 +199,17 @@ define Package/prometheus-node-exporter-lua-wifi_stations/install
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/wifi_stations.lua $(1)/usr/lib/lua/prometheus-collectors/
endef
define Package/prometheus-node-exporter-lua-snmp6
$(call Package/prometheus-node-exporter-lua/Default)
TITLE+= (snmp6 collector)
DEPENDS:=prometheus-node-exporter-lua +libubus-lua
endef
define Package/prometheus-node-exporter-lua-snmp6/install
$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/snmp6.lua $(1)/usr/lib/lua/prometheus-collectors/
endef
$(eval $(call BuildPackage,prometheus-node-exporter-lua))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-bmx6))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-bmx7))
@ -213,3 +224,4 @@ $(eval $(call BuildPackage,prometheus-node-exporter-lua-textfile))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-uci_dhcp_host))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-wifi))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-wifi_stations))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-snmp6))

39
utils/prometheus-node-exporter-lua/files/usr/lib/lua/prometheus-collectors/snmp6.lua Normal file
View File

@ -0,0 +1,39 @@
local ubus = require "ubus"
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 get_metric(device)
local label = {
device = device
}
if device == "all" then
for e in io.lines("/proc/net/snmp6") do
local snmp6 = space_split(e)
metric("snmp6_" .. snmp6[1], "counter", label, tonumber(snmp6[2]))
end
else
for e in io.lines("/proc/net/dev_snmp6/" .. device) do
local snmp6 = space_split(e)
metric("snmp6_" .. snmp6[1], "counter", label, tonumber(snmp6[2]))
end
end
end
local function scrape()
get_metric("all")
for _, devicename in ipairs(get_devices()) do
get_metric(devicename)
end
end
return { scrape = scrape }