Create resource record sets for migrating a hosted zone to a different AWS account.

migrate-r53-hosted-zone.sh

#!/bin/bash
# Create resource record sets for migrating a hosted zone to a different AWS account.
# Ref: https://docs.aws.amazon.com/en_us/Route53/latest/DeveloperGuide/hosted-zones-migrating.html
#
# Usage: aws route53 list-resource-record-sets --hosted-zone-id XXXXXXXXXXXXXX | bash migrate-r53-hosted-zone.sh
#

if [ -z $(command -v jq) ] ;then
  echo "command not found: jq"
  exit 1
fi

ZONE=$(cat -)
COUNT=$(echo $ZONE | jq ".ResourceRecordSets | length")

(echo '{ "Comment": "", "Changes": ['

for RECORDSET in $( seq 0 $(($COUNT - 1)) ); do
  OBJECT=$(echo $ZONE | jq ".ResourceRecordSets | {\"Action\": \"CREATE\"} + {\"ResourceRecordSet\": .[$RECORDSET]}")
  TYPE=$(echo $OBJECT | jq -r ".ResourceRecordSet.Type")
  if [ $TYPE != "NS" -a $TYPE != "SOA" ]; then
    if [ $RECORDSET != 0 ]; then
      echo ','
    fi
    echo $OBJECT
  fi
done

echo '] }') | jq