Adding access config support to cluster module

aws/cluster/main.tf

@@ -24,6 +24,7 @@ module "eks_cluster" {
   public_subnet_ids         = module.network.public_subnet_ids
   tags                      = var.tags
   vpc                       = module.network.vpc
+  auth_mode                 = var.auth_mode 
 
   depends_on = [module.node_role]
 }

aws/cluster/modules/eks-cluster/main.tf

@@ -9,6 +9,11 @@ resource "aws_eks_cluster" "this" {
   tags                      = var.tags
   version                   = var.k8s_version
 
+  access_config {
+    authentication_mode = var.auth_mode
+    bootstrap_cluster_creator_admin_permissions = true
+  }
+
   vpc_config {
     security_group_ids = [aws_security_group.control_plane.id]
     subnet_ids         = concat(var.private_subnet_ids, var.public_subnet_ids)

aws/cluster/modules/eks-cluster/variables.tf

@@ -46,3 +46,9 @@ variable "vpc" {
   type        = object({ id = string })
   description = "VPC in which this cluster should run"
 }
+
+variable "auth_mode" {
+  type        = string
+  description = "Authentiation mode associated with the cluster Access config"
+  default     = "API_AND_CONFIG_MAP"
+}

aws/cluster/variables.tf

@@ -41,3 +41,9 @@ variable "tags" {
   description = "Tags to be applied to all created resources"
   default     = {}
 }
+
+variable "auth_mode" {
+  type        = string
+  description = "Authentiation mode associated with the cluster Access config"
+  default     = "API_AND_CONFIG_MAP"
+}