69 lines
1.1 KiB
Bash
69 lines
1.1 KiB
Bash
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#!/bin/sh
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# Petit script custom pour relever les compteurs des tables
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# de voisins (neighbour) ipv4 (ARP) et ipv6 (Neighbour discorvery)
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#
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# Fonction d'aide
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#
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usage() {
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cat <<EOF
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Usage :
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$0 -h
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EOF
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}
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#
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# Gestion des paramètres
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#
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while getopts h f; do
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case "$f" in
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'h')
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usage
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exit
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;;
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'e')
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EXCLUSIONS="$( printf "%s\n%s" "$EXCLUSIONS" "$OPTARG" )"
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;;
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'w')
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WARNING_LEVEL=$( printf "%d" "$OPTARG" )
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;;
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'c')
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CRITICAL_LEVEL=$( printf "%d" "$OPTARG" )
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;;
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\?)
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usage
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exit 1
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;;
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esac
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done
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if ! which ip >/dev/null 2>&1 || [ "$( ip ntable show | wc -l )" -lt 2 ]; then
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echo "UNKNOWN souci avec 'ip ntable show'."
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exit 1
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fi
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# On lance la commande
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printf "OK|"
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# Dans l'ordre :
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# - la commande...
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# - tout sur 1 ligne
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# - 1 ligne = 1 couple interface - protocole
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# - on picore les quelques éléments intéressants (uniquement refcnt pour le moment)
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# - on remet tout sur une ligne
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# - pas d'espace en fin de ligne
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ip ntable show \
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| tr '\n' '@' \
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| sed 's/@@/\n/g' \
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| sed -n 's/^\(inet6\?\).*dev\s\+\(\S\+\).*\(refcnt\)\s\+\([0-9]\+\).*/\1_\2\3=\4/gp' \
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| tr '\n' ' ' \
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| sed 's/\s\+$/\n/'
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exit 0
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