feat: Added dns ttl as variable (#54)

Author: tomasbackman

README.md

@@ -83,6 +83,7 @@ module "acm" {
 |------|-------------|------|---------|:--------:|
 | certificate\_transparency\_logging\_preference | Specifies whether certificate details should be added to a certificate transparency log | `bool` | `true` | no |
 | create\_certificate | Whether to create ACM certificate | `bool` | `true` | no |
+| dns\_ttl | The TTL of DNS recursive resolvers to cache information about this record. | `number` | `60` | no |
 | domain\_name | A domain name for which the certificate should be issued | `string` | `""` | no |
 | subject\_alternative\_names | A list of domains that should be SANs in the issued certificate | `list(string)` | `[]` | no |
 | tags | A mapping of tags to assign to the resource | `map(string)` | `{}` | no |

main.tf

@@ -30,7 +30,7 @@ resource "aws_route53_record" "validation" {
   zone_id = var.zone_id
   name    = element(local.validation_domains, count.index)["resource_record_name"]
   type    = element(local.validation_domains, count.index)["resource_record_type"]
-  ttl     = 60
+  ttl     = var.dns_ttl
 
   records = [
     element(local.validation_domains, count.index)["resource_record_value"]

variables.tf

@@ -57,3 +57,9 @@ variable "tags" {
   type        = map(string)
   default     = {}
 }
+
+variable "dns_ttl" {
+  description = "The TTL of DNS recursive resolvers to cache information about this record."
+  type        = number
+  default     = 60
+}