Remove the private cluster feature in GCP terraform config

terraform/gcp/cluster.tf

@@ -70,32 +70,6 @@ resource "google_container_cluster" "cluster" {
     prevent_destroy = true
   }
 
-  // For private clusters, pass the name of the network and subnetwork created
-  // by the VPC
-  network    = var.enable_private_cluster ? data.google_compute_network.default_network.name : null
-  subnetwork = var.enable_private_cluster ? data.google_compute_subnetwork.default_subnetwork.name : null
-
-  // Dynamically provision the private cluster config when deploying a
-  // private cluster
-  dynamic "private_cluster_config" {
-    for_each = var.enable_private_cluster ? [1] : []
-
-    content {
-      // Decide if this CIDR block is sensible or not
-      master_ipv4_cidr_block  = "172.16.0.0/28"
-      enable_private_nodes    = true
-      enable_private_endpoint = false
-    }
-  }
-
-  // Dynamically provision the IP allocation policy when deploying a
-  // private cluster. This allows for IP aliasing and makes the cluster
-  // VPC-native
-  dynamic "ip_allocation_policy" {
-    for_each = var.enable_private_cluster ? [1] : []
-    content {}
-  }
-
   addons_config {
     network_policy_config {
       disabled = !var.enable_network_policy

terraform/gcp/storage.tf

@@ -19,7 +19,7 @@ resource "google_filestore_instance" "homedirs" {
   }
 
   networks {
-    network = var.enable_private_cluster ? data.google_compute_network.default_network.name : "default"
+    network = "default"
     modes   = ["MODE_IPV4"]
   }
 }

terraform/gcp/variables.tf

@@ -300,22 +300,6 @@ variable "user_buckets" {
   EOT
 }
 
-variable "enable_private_cluster" {
-  type        = bool
-  default     = false
-  description = <<-EOT
-  Deploy the kubernetes cluster into a private subnet
-
-  By default, GKE gives each of your nodes a public IP & puts them in a public
-  subnet. When this variable is set to `true`, the nodes will be in a private subnet
-  and not have public IPs. A cloud NAT will provide outbound internet access from
-  these nodes. The kubernetes API will still be exposed publicly, so we can access
-  it from our laptops & CD.
-
-  This is often required by institutional controls banning VMs from having public IPs.
-  EOT
-}
-
 variable "filestores" {
   type = map(object({
     name_suffix : optional(string, null),