Add option to override DNS parent zone

README.md

@@ -61,6 +61,7 @@ This software is released under the MIT License (see `LICENSE`).
 | container\_definition\_additional | Additional parameters to add to container definition. This is a json substring | string | `` | no |
 | delimiter | Delimiter to be used between `name`, `namespaces`, `attributes`, etc. | string | `-` | no |
 | dns\_aliases | Additional DNS names | list | `<list>` | no |
+| dns\_parent\_zone\_name | DNS name of the parent zone to put this in | string | `` | no |
 | docker\_command | String to override CMD in Docker container (default "") | string | `` | no |
 | docker\_environment | List of environment maps of format { "name" = "var_name", "value" = "var_value" } | list | `<list>` | no |
 | docker\_image | Docker image to use for task | string | `` | no |

main.tf

@@ -101,11 +101,16 @@ module "sg-lb" {
 # DNS for LB
 module "route53-aliases" {
   #source                  = "git::https://github.com/devops-workflow/terraform-aws-route53-alias.git"
-  source                 = "devops-workflow/route53-alias/aws"
-  version                = "0.2.4"
-  enabled                = "${module.enabled.value && module.enable_lb.value ? 1 : 0}"
-  aliases                = "${compact(concat(list(module.label.name), var.dns_aliases))}"
-  parent_zone_name       = "${module.label.environment}.${module.label.organization}.com."
+  source  = "devops-workflow/route53-alias/aws"
+  version = "0.2.4"
+  enabled = "${module.enabled.value && module.enable_lb.value ? 1 : 0}"
+  aliases = "${compact(concat(list(module.label.name), var.dns_aliases))}"
+
+  parent_zone_name = "${var.dns_parent_zone_name != "" ?
+    "${var.dns_parent_zone_name}" :
+    "${module.label.environment}.${module.label.organization}.com."
+    }"
+
   target_dns_name        = "${module.lb.dns_name}"
   target_zone_id         = "${module.lb.zone_id}"
   evaluate_target_health = true

variables.tf

@@ -50,6 +50,11 @@ variable "dns_aliases" {
   default     = []
 }
 
+variable "dns_parent_zone_name" {
+  description = "DNS name of the parent zone to put this in"
+  default     = ""
+}
+
 //
 // Variables specific to LB module
 //