feat: Adding dynamic vpc block to handle private zones (#13)

examples/complete/main.tf

@@ -7,7 +7,7 @@ module "zones" {
 
   zones = {
     "terraform-aws-modules-example.com" = {
-      comment = "terraform-aws-modules-examples.com (production)"
+      comment = "terraform-aws-modules-example.com (production)"
       tags = {
         Name = "terraform-aws-modules-example.com"
       }
@@ -19,6 +19,16 @@ module "zones" {
         Name = "app.terraform-aws-modules-example.com"
       }
     }
+
+    "private-vpc.terraform-aws-modules-example.com" = {
+      comment = "private-vpc.terraform-aws-modules-example.com"
+      vpc = {
+        vpc_id = module.vpc.vpc_id
+      }
+      tags = {
+        Name = "private-vpc.terraform-aws-modules-example.com"
+      }
+    }
   }
 }
 
@@ -97,3 +107,10 @@ module "cloudfront" {
     cloudfront_default_certificate = true
   }
 }
+
+module "vpc" {
+  source = "terraform-aws-modules/vpc/aws"
+
+  name = "my-vpc-for-private-route53-zone"
+  cidr = "10.0.0.0/16"
+}

modules/zones/README.md

@@ -21,7 +21,7 @@ This module creates Route53 zones.
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
 | create | Whether to create Route53 zone | `bool` | `true` | no |
-| zones | Map of Route53 zone parameters | `map(any)` | `{}` | no |
+| zones | Map of Route53 zone parameters | `any` | `{}` | no |
 
 ## Outputs
 

modules/zones/main.tf

 resource "aws_route53_zone" "this" {
-  for_each = var.create ? var.zones : {}
+  for_each = var.create ? var.zones : tomap({})
 
   name          = each.key
   comment       = lookup(each.value, "comment", null)
   force_destroy = lookup(each.value, "force_destroy", false)
 
+  dynamic "vpc" {
+    for_each = length(keys(lookup(each.value, "vpc", {}))) == 0 ? [] : [lookup(each.value, "vpc", {})]
+
+    content {
+      vpc_id     = vpc.value.vpc_id
+      vpc_region = lookup(vpc.value, "vpc_region", null)
+    }
+  }
+
   tags = lookup(each.value, "tags", null)
 }

modules/zones/variables.tf

@@ -6,6 +6,6 @@ variable "create" {
 
 variable "zones" {
   description = "Map of Route53 zone parameters"
-  type        = map(any)
+  type        = any
   default     = {}
 }