Route53 zone export

cli53-zone-export.sh

#!/usr/bin/env bash

# Enter Bash "strict mode"
set -o errexit  # Exit immediately on any non-zero error exit status
set -o nounset  # Trigger error when expanding unset variables
set -o pipefail # Prevent errors in a pipeline from being masked
IFS=\$'\n\t'     # Internal Field Separator controls Bash word splitting

# Declare backup path & master zone files
BACKUP_PATH="$(date +%F)"
ZONES_FILE="all-zones.txt"
DNS_FILE="all-dns.txt"

echo "Backing up Route53: ${BACKUP_PATH}"

# Create date-stamped backup directory and enter it
mkdir -p "$BACKUP_PATH"
cd "$BACKUP_PATH"

# Create a list of all hosted zones
cli53 list --debug --format text > "$ZONES_FILE" 2>&1

# Create a list of domain names only
sed '/Name:/!d' "$ZONES_FILE" | cut -d: -f2 | sed 's/^..//' | sed 's/.\{3\}$//' > "$DNS_FILE"

# Create backup files for each domain
while read -r line; do
  sleep 5
  cli53 export --debug --full "$line" > "$line.txt"
done < "$DNS_FILE"

cd ../

tar czvf "${BACKUP_PATH}.tgz" $BACKUP_PATH

aws s3 cp $BACKUP_PATH.tgz "s3://${BACKUP_PATH}.tgz"

rm -rf $BACKUP_PATH

# Prune any tgz files older than 30 days
find *.tgz -type f -mtime +30 -exec rm -f {} \;

# Exit Bash "strict mode"
set +o errexit
set +o nounset
set +o pipefail

exit 0