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Oct
03
2012
vim wrapper for dns zone files
Posted by ebal at 09:01:08 in blog, planet_ellak, planet_Sysadmin

This blog post is based on Sotiris Tsimbonis’s work.

You should always checkzone the dns zone file you have just edited.

But you can also automate this, with a vim wrapper.

small changes @ Thu, 04 Oct 2012 14:03:15 +0300


#!/bin/sh
# ebal, Thu, 04 Oct 2012 14:03:15 +0300

/usr/sbin/named-checkconf 
RES=$?

if [ ${RES} -gt 0 ]; then
    echo ""
    echo "Fix the above errors before editing your zone file"
    echo ""
    exit ${RES}
fi

ZONE=$1
PREFIX="/var/named/"
CHECKSUM=`/usr/bin/sha1sum ${PREFIX}/${ZONE}`

/usr/bin/vim ${PREFIX}/${ZONE}

echo ""
echo "Checking ${ZONE} for errors..."
echo ""

/usr/sbin/named-checkzone -i local ${ZONE} ${PREFIX}/${ZONE}
RES=$?

if [ ${RES} -gt 0 ]; then
         echo ""
        echo "You need to fix the errors and try again."
        echo ""
        exit ${RES}
fi

SHA1SUM=`/usr/bin/sha1sum ${PREFIX}/${ZONE}`
if [[ "$CHECKSUM" != "$SHA1SUM" ]]; then
    echo "reloading zone ..."
    /usr/sbin/rndc reload  ${ZONE} 
fi
Tag(s): vim, wrapper, dns
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