munin-plugins

nft_packets (810B)

#!/bin/sh
# Copyright © 2024 Haelwenn (lanodan) Monnier
# SPDX-License-Identifier: MIT
 #%# family=auto
 #%# capabilities=autoconf
set -e
. "$MUNIN_LIBDIR/plugins/plugin.sh"
case $1 in
	autoconf)
		if [ $(nft -j list counters | wc -l) = 0 ]; then
			echo "No named nftable counters"
			exit 0
		fi
		echo yes
		exit 0
	;;
	config)
		echo "graph_title nftables packet counters"
		echo "graph_args --base 1000"
		echo 'graph_vlabel packets per ${graph_period}'
		echo 'graph_category nftables'
		for i in $(nft -j list counters | jq -r '.nftables.[] | select(.counter) | .counter.name'); do
			echo "${i}.label ${i}"
			echo "${i}.type DERIVE"
			echo "${i}.min 0"
		done
		exit 0
	;;
esac
nft -j list counters | jq -r '.nftables.[] | select(.counter) | .counter | [.name, ".value ", .packets] | join("")'