Created
August 2, 2017 20:27
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simple bash shell script adds an A record and a PTR for the passed fqdn/ip pair
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#!/bin/bash | |
# adds an A record and a PTR for the passed fqdn/ip pair | |
function printUsage () { | |
echo "usage: $0 fqdn ip" | |
echo | |
} | |
if [ $# -ne 2 ] ; then | |
printUsage | |
exit 1 | |
fi | |
cli53="/usr/local/bin/cli53" | |
if [ ! -x $CLI53 ] ; then | |
echo "cli53 not installed." | |
echo "google is your friend." | |
exit 1 | |
fi | |
fqdn=$1 | |
ip=$2 | |
hostname=`expr "$fqdn" : '\([^.][^.]*\)\..*'` | |
domain=`expr "$fqdn" : '[^.][^.]*\.\(.*\)'` | |
echo "Hostname: $hostname" | |
echo "Domain: $domain" | |
IFS=. read ip1 ip2 ip3 ip4 <<< "$ip" | |
echo "IP: $ip1 $ip2 $ip3 $ip4" | |
ptrdomain="$ip3.$ip2.$ip1.in-addr.arpa." | |
echo "Creating A record" | |
$cli53 rrcreate --wait -x 300 $domain $hostname A $ip | |
echo "Creating PTR" | |
$cli53 rrcreate --wait -x 300 $ptrdomain $ip4 PTR $fqdn. |
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