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Ludovic Cartier
67 lines
1.9 KiB
Bash
Executable File
67 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# Nagios Exit Codes
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STATE_OK=0
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STATE_WARNING=1
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STATE_CRITICAL=2
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STATE_UNKNOWN=3
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# Default values
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warn=1440
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crit=30
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OVERRIDE_FILE="/var/lib/nagios/uptime_override"
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# Retrieve arguments
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RESET=0
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while getopts "w:c:f:r" opt; do
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case $opt in
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w) warn=$OPTARG ;;
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c) crit=$OPTARG ;;
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f) OVERRIDE_FILE=$OPTARG ;; # Permet de changer le chemin via Icinga
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r) RESET=1 ;;
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*) echo "Usage: $0 [-w <minutes>] [-c <minutes>] [-f <file_path>] [-r]"; exit $STATE_UNKNOWN ;;
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esac
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done
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# Option reset : crée le fichier d'override avec les bons droits
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if [ "$RESET" -eq 1 ]; then
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touch "$OVERRIDE_FILE" && chmod 640 "$OVERRIDE_FILE" && chown nagios:nagios "$OVERRIDE_FILE"
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if [ $? -eq 0 ]; then
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echo "OK - Override file created: $OVERRIDE_FILE"
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exit $STATE_OK
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else
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echo "UNKNOWN - Failed to create override file: $OVERRIDE_FILE"
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exit $STATE_UNKNOWN
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fi
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fi
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# Extract uptime (in seconds) via /proc
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uptime_seconds=$(cat /proc/uptime | awk '{print $1}' | cut -d. -f1)
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uptime_min=$((uptime_seconds / 60))
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# Performance Data
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PERFDATA="|uptime_min=${uptime_min}min;${warn};${crit};0;"
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# 1. Vérification du fichier d'acquittement
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if [ -f "$OVERRIDE_FILE" ]; then
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# Si le système est redevenu "stable" naturellement, on supprime le flag
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if [ "$uptime_min" -gt "$warn" ]; then
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rm -f "$OVERRIDE_FILE"
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else
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echo "OK - Reboot acquitté manuellement (Uptime: ${uptime_min} min)$PERFDATA"
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exit $STATE_OK
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fi
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fi
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# 2. Logique de décision standard
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if [ "$uptime_min" -le "$crit" ]; then
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echo "CRITICAL - Recent reboot detected (${uptime_min} min < threshold ${crit} min)$PERFDATA"
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exit $STATE_CRITICAL
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elif [ "$uptime_min" -le "$warn" ]; then
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echo "WARNING - Uptime low (${uptime_min} min < threshold ${warn} min)$PERFDATA"
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exit $STATE_WARNING
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else
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echo "OK - System stable (Uptime: ${uptime_min} min)$PERFDATA"
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exit $STATE_OK
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fi
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