support-for-publicDNS-for-privateAKScluster : adding private_dns_zone_id & private_cluster_public_fqdn_enabled vars to control private aks cluster

main.tf

@@ -15,6 +15,9 @@ resource "azurerm_kubernetes_cluster" "main" {
   dns_prefix              = var.prefix
   sku_tier                = var.sku_tier
   private_cluster_enabled = var.private_cluster_enabled
+  private_dns_zone_id     = var.private_dns_zone_id
+  private_cluster_public_fqdn_enabled = var.private_cluster_public_fqdn_enabled
+
 
   linux_profile {
     admin_username = var.admin_username

variables.tf

@@ -318,3 +318,23 @@ variable "enable_host_encryption" {
   type        = bool
   default     = false
 }
+
+variable "private_dns_zone_id" {
+  description = <<EOT
+(Optional) Either the ID of Private DNS Zone which should be delegated to this Cluster,
+or System to have AKS manage this or None.
+In case of None you will need to bring your own DNS server and set up resolving,
+otherwise cluster will have issues after provisioning.
+Changing this forces a new resource to be created.
+EOT
+  type        = string
+  default     = null
+}
+
+variable "private_cluster_public_fqdn_enabled" {
+  description = <<EOT
+(Optional) Specifies whether a Public FQDN for this Private Cluster should be added. Defaults to false.
+EOT
+  type        = bool
+  default     = false
+}