29 lines
667 B
Bash
29 lines
667 B
Bash
#!/bin/sh
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TMP=`mktemp`
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LAST_HOUR=`date "+%b %e %H:" -d "1 hour ago"`
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CURRENT_HOUR=`date "+%b %e %H:"`
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tail -n 2000 /var/log/messages | \
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grep -E "$CURRENT_HOUR|$LAST_HOUR" | \
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grep "Passive check result was received" | \
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grep -i "could not be found" | \
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sed 's/.*Passive check result was received for service //' | \
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sed 's/, but the host could not be found.*//' | \
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sort | uniq > $TMP
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LINES=`cat $TMP | wc -l`
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PERFDATA="'ghost_clients'=$LINES"
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if [ $LINES -gt 0 ]; then
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echo "$LINES ghost clients found in Nagios log files | $PERFDATA"
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echo ""
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cat $TMP
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rm -f $TMP
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exit 1
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fi
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echo "No ghost clients found in Nagios log files | $PERFDATA"
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rm -f $TMP
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exit 0
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