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Ludovic Cartier
39 lines
987 B
Bash
Executable File
39 lines
987 B
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 (in minutes)
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warn=1440
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crit=30
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# Retrieve arguments
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while getopts "w:c:" 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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*) echo "Usage: $0 -w <minutes> -c <minutes>"; exit $STATE_UNKNOWN ;;
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esac
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done
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# Extract uptime (in seconds) via /proc
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uptime_seconds=$(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};${crit};0;"
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# Decision logic
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if [ "$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 |