Cleanup Route 53 resource record sets when deleting an OpenShift Cluster. Requires `jq` and `aws`.

cleanup-records-sets.sh

#!/usr/bin/env bash

cluster_name=$1
hosted_zone_dns_name=$2

hosted_zone_id=$(
    aws route53 list-hosted-zones-by-name \
    --dns-name ${hosted_zone_dns_name} \
    --query HostedZones[0].Id \
    --output text
)

resource_record_sets=$( \
  aws route53 list-resource-record-sets \
    --hosted-zone-id "${hosted_zone_id}" \
    --query "ResourceRecordSets[?contains(Name,'${cluster_name}')]" \
    --output json
)

if [ "${resource_record_sets}" = "[]" ] ; then
  printf "No resource record sets found for cluster %s\n" "${cluster_name}"
  exit
fi

batch=$( \
  jq '{ "Changes":[ .[] | {"Action":"DELETE", "ResourceRecordSet": . }]}' <<< "${resource_record_sets}"
)

printf "Requesting deletion of resource record sets..."
change_info_id=$(
    aws route53 change-resource-record-sets \
        --hosted-zone-id "${hosted_zone_id}" \
        --query ChangeInfo.Id \
        --output text \
        --change-batch "${batch}"
)
printf "\n"

printf "Waiting for resource record sets to be deleted..."
aws route53 wait resource-record-sets-changed --id "${change_info_id}"

printf "\n"