Add HTTP->HTTPS redirect for ALB's

http_to_https_redirect_for_albs.sh

for alb in $(aws elbv2 describe-load-balancers --query 'LoadBalancers[].LoadBalancerArn[]');do
   DEFAULT_PORT=$(aws elbv2 describe-listeners --load-balancer-arn $alb --query 'Listeners[].{Port:Port}')
   if [ "$DEFAULT_PORT" == "443" ];then
       echo "ALB $alb is listening on port $DEFAULT_PORT"
       echo "Adding listener on $alb to redirect $NEW_PORT to $DEFAULT_PORT"
       aws elbv2 create-listener --load-balancer-arn $alb --protocol HTTP --port 80 --default-actions '[
                {
                    "RedirectConfig": {
                        "Protocol": "HTTPS", 
                        "Host": "#{host}", 
                        "Query": "#{query}", 
                        "Path": "/#{path}", 
                        "Port": "443", 
                        "StatusCode": "HTTP_301"
                    }, 
                    "Type": "redirect", 
                    "Order": 1
                }
            ]'
   fi
done