recordfetcher

#!/bin/bash
echo "Here"
set -e
# Script to update a zone - designed to be triggerd by nsnotifyd
PATH=/bin:/usr/bin:/usr/local/bin:$PATH

DYN_HOST=xfrout1.dynect.net

ZONE=$1
SERIAL_NUMBER=$2

ZONEFILE=`mktemp /tmp/${ZONE}.zonefile.XXXXXXXXX`
dig AXFR ${ZONE} @${DYN_HOST} > ${ZONEFILE} 2>&1

if ! egrep "Transfer failed|connection timed out|Name or service not known|connection refused|network unreachable|host unreachable|end of file|communications error|couldn't get address" ${ZONEFILE} > /dev/null; then
  SOA_SERIAL=$( cat ${ZONEFILE} | awk '{if ($4 == "SOA") print $7;}' | head -1 )

  if [ "$SOA_SERIAL" -eq "$SOA_SERIAL" ] 2>/dev/null; then
    SERIAL=$SOA_SERIAL
  else
    echo "SOA record not found in transferred zone, couldn't extract serial"
    exit
  fi

  # append a serial number record for troubleshooting
  echo -e "\n_serial._dyn.${ZONE}. IN TXT \"${SERIAL}\"" >> ${ZONEFILE}

  # push into Route53
  cli53 import --file ${ZONEFILE} --replace ${ZONE}
fi
rm ${ZONEFILE}