[Nagiosplug-devel] check_dns: DNS WARNING - nslookup returned error status
Emanuele Cisbani
cisbani at perlafinanza.it
Thu Nov 24 09:44:03 CET 2005
Hi
I dont know why, but the following bash script work fine.
May be the problem is elsewere?
- Emanuele Cisbani (cisba)
#!/bin/bash
# Standard Nagios Status codes
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3
filename="/tmp/check_dns_$$.tmp"
result=''
stato='UNKNOWN'
code=3
dig @"$2" "$1" > $filename 2>&1
#head $filename
num_of_answer=$(cat $filename \
| grep ANSWER: \
| awk 'BEGIN{FS=","}{print $2}' \
| awk 'BEGIN{FS=":"}{print $2}' )
if grep 'ANSWER:' $filename >'/dev/null' ; then
result=$num_of_answer
if [ $result -gt 0 ] ; then
stato="OK"
code=0
elif [ $result -eq 0 ]; then
stato="WARNING: $(cat $filename)"
code=1
fi
elif grep "connection timed out" >'/dev/null' $filename ; then
stato="CRITICAL: $(cat $filename)"
code=2
elif grep "Couldn't find server" >'/dev/null' $filename ; then
stato="CRITICAL: $(cat $filename)"
code=2
fi
rm $filename
echo $stato
exit $code
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