Add an AAAA record for the service which aliases to the ALB or CloudF…

…ront distribution

So that we can access the service using IPv6 as well as IPv4.

README.md

@@ -246,6 +246,7 @@ This project creates and manages resources within an AWS account for infrastruct
 | [aws_route53_record.service_loadbalancer_record_alb](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_record) | resource |
 | [aws_route53_record.service_loadbalancer_record_alb_global_accelerator_a](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_record) | resource |
 | [aws_route53_record.service_record](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_record) | resource |
+| [aws_route53_record.service_record_ipv6](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_record) | resource |
 | [aws_route53_zone.custom](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_zone) | resource |
 | [aws_route53_zone.infrastructure](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_zone) | resource |
 | [aws_route_table.infrastructure_private](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route_table) | resource |

route53-infrastructure.tf

@@ -83,6 +83,22 @@ resource "aws_route53_record" "service_record" {
   }
 }
 
+resource "aws_route53_record" "service_record_ipv6" {
+  for_each = local.enable_infrastructure_route53_hosted_zone ? {
+    for k, v in local.infrastructure_ecs_cluster_services : k => v if v["container_port"] != 0 && v["enable_cloudfront"] == true
+  } : {}
+
+  zone_id = aws_route53_zone.infrastructure[0].zone_id
+  name    = "${each.key}.${local.infrastructure_route53_domain}."
+  type    = "AAAA"
+
+  alias {
+    name                   = aws_cloudfront_distribution.infrastructure_ecs_cluster_service_cloudfront[each.key].domain_name
+    zone_id                = aws_cloudfront_distribution.infrastructure_ecs_cluster_service_cloudfront[each.key].hosted_zone_id
+    evaluate_target_health = true
+  }
+}
+
 resource "aws_route53_record" "custom_s3_cloudfront_record" {
   for_each = local.enable_infrastructure_route53_hosted_zone ? {
     for k, v in local.custom_s3_buckets : k => v if v["cloudfront_dedicated_distribution"] == true