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prometheus-node-exporter-lua: expose node_os_info

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the original node_exporter exposes a node_os_info metric with a set of
data about the system [1] which is then used by several dashboards.

openwrt.lua already exposes OS info, but using the node_openwrt_info
metric requires changes to existing dashboards, and would require more
complex lookups when there are non-OpenWrt hosts in the overview too.

as we've already called ubus and fetched the data, we can expose it in
two formats easily.

[1] https://github.com/prometheus/node_exporter/blob/d6d0e710bb7daf07a2743fde060f0d5f32c565f3/collector/os_release.go#L190-L192

Signed-off-by: Evgeni Golov <evgeni@golov.de>
This commit is contained in:
Evgeni Golov
2026-04-26 15:22:00 +02:00
committed by Etienne Champetier
parent c8760b4ecf
commit 7d9cc2e95a
2 changed files with 11 additions and 2 deletions
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utils/prometheus-node-exporter-lua/Makefile
+1 -1
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@@ -4,7 +4,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=prometheus-node-exporter-lua
PKG_VERSION:=2026.05.08
PKG_VERSION:=2026.05.09
PKG_RELEASE:=1
PKG_MAINTAINER:=Etienne CHAMPETIER <champetier.etienne@gmail.com>