113 lines
2.3 KiB
Bash
113 lines
2.3 KiB
Bash
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#!/bin/sh
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# Petit script pour vérifier qu'une IP souhaitée est en tête des IP configurées
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# GPL v3+ (copyright chl-dev@bugness.org)
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# Initialisation
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IGNORED_ADDRESS="127.0.0. ::1 fe80:"
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# Output
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OUTPUT_EXIT_STATUS=0
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OUTPUT_DETAIL_WARNING=""
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OUTPUT_DETAIL_CRITICAL=""
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OUTPUT_PERFDATA=""
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PROGPATH=$( echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,' )
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REVISION="0.1"
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# Stop at the first non-catched error
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set -e
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# Include check_range()
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. $PROGPATH/utils.sh
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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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$0 [-x xxxxx] [-x yyyy] [-4 nnn.nnn.nnn.nnn] [-6 nnnn:nnnn:nnnn::nnnn]
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WARNING: order of arguments are important.
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-x : address (or start of address) which must be ignored. Often '127.0' and 'fe80'.
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-4 : IPv4 address which must be first
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-6 : IPv6 address which must be first
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Default values:
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-x "$IGNORED_ADDRESS"
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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 h4:6:x: f; do
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case "$f" in
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'h')
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usage
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exit
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;;
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'x')
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IGNORED_ADDRESS="$OPTARG"
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;;
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'4')
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IPV4="$OPTARG";
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LISTING="$( ip -4 addr show | sed -n 's/^[[:space:]]*inet \([0-9.]\+\)\/[0-9].*/\1/p' )"
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for i in $IGNORED_ADDRESS; do
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LISTING="$( echo "$LISTING" | grep -v "^$i" || true )"
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done
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FIRST="$( echo "$LISTING" | head -n 1 )"
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if [ "$FIRST" != "$IPV4" ]; then
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OUTPUT_EXIT_STATUS=2
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OUTPUT_DETAIL_CRITICAL="$OUTPUT_DETAIL_CRITICAL ('$FIRST' instead of '$IPV4')"
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else
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OUTPUT_DETAIL_OK="$OUTPUT_DETAIL_OK ('$FIRST')"
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fi
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;;
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'6')
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IPV6="$OPTARG";
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LISTING="$( ip -6 addr show | sed -n 's/^[[:space:]]*inet6 \([a-f0-9:]\+\)\/[0-9].*/\1/p' )"
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for i in $IGNORED_ADDRESS; do
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LISTING="$( echo "$LISTING" | grep -v "^$i" || true )"
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done
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FIRST="$( echo "$LISTING" | head -n 1 )"
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if [ "$FIRST" != "$IPV6" ]; then
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OUTPUT_EXIT_STATUS=2
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OUTPUT_DETAIL_CRITICAL="$OUTPUT_DETAIL_CRITICAL ('$FIRST' instead of '$IPV6')"
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else
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OUTPUT_DETAIL_OK="$OUTPUT_DETAIL_OK ('$FIRST')"
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fi
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;;
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\?)
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usage
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exit 1
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;;
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esac
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done
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case "$OUTPUT_EXIT_STATUS" in
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'0')
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printf "OK %s" "$OUTPUT_DETAIL_OK"
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;;
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'1')
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printf "WARNING %s" "$OUTPUT_DETAIL_WARNING"
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;;
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'2')
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printf "CRITICAL %s" "$OUTPUT_DETAIL_CRITICAL"
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;;
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*)
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printf "UNKNOWN"
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;;
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esac
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# (pas de perfdata dans ce script)
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#printf "|%s\n" "$OUTPUT_PERFDATA"
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printf "\n"
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# on supprime les retours à la ligne
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exit $OUTPUT_EXIT_STATUS
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