s3redirect

#!/bin/bash
#set -x

HOSTNAME=$1
TARGETHOST=$2
PROTO=$3
ZONEID=$4
REGION="eu-central-1"
S3WEBSITE="s3-website.eu-central-1.amazonaws.com"
ALIASHOSTEDZONEID="Z21DNDUVLTQW6Q"

if [ -z "$HOSTNAME" ] || [ -z "$TARGETHOST" ] || [ -z "$PROTO" ] || [ -z "$ZONEID" ]; then
  echo 'one or more variables are undefined'        
  exit 1
fi



aws s3api create-bucket --bucket $HOSTNAME --region $REGION --create-bucket-configuration LocationConstraint=$REGION

json_file=`mktemp`
printf '{"RedirectAllRequestsTo":{"HostName": "%s","Protocol": "%s"}}\n' $TARGETHOST $PROTO > $json_file

aws s3api put-bucket-website --bucket $HOSTNAME --website-configuration file://$json_file

printf '{"Comment": "Created by S3redirect","Changes": [{"Action": "CREATE","ResourceRecordSet": {"Name": "%s","Type": "A","AliasTarget":{"HostedZoneId": "%s","DNSName": "%s","EvaluateTargetHealth": false}}}]}' $HOSTNAME $ALIASHOSTEDZONEID $S3WEBSITE > $json_file

aws route53 change-resource-record-sets --region eu-central-1 --hosted-zone-id $ZONEID --change-batch file://$json_file

rm $json_file