fix: Removed dependency to obsolete template_file by upgrading to templatefile (#1119)

* feat(auth): change template_file to templatefile

* fix(auth): update value to follow terraform fmt

Author: mrako

modules/auth/main.tf

@@ -30,14 +30,3 @@ data "google_container_cluster" "gke_cluster" {
 }
 
 data "google_client_config" "provider" {}
-
-data "template_file" "kubeconfig" {
-  template = file("${path.module}/templates/kubeconfig-template.yaml.tpl")
-
-  vars = {
-    context                = local.context
-    cluster_ca_certificate = local.cluster_ca_certificate
-    endpoint               = local.endpoint
-    token                  = data.google_client_config.provider.access_token
-  }
-}

modules/auth/outputs.tf

@@ -19,7 +19,12 @@
 output "kubeconfig_raw" {
   sensitive   = true
   description = "A kubeconfig file configured to access the GKE cluster."
-  value       = data.template_file.kubeconfig.rendered
+  value = templatefile("${path.module}/templates/kubeconfig-template.yaml.tpl", {
+    context                = local.context
+    cluster_ca_certificate = local.cluster_ca_certificate
+    endpoint               = local.endpoint
+    token                  = data.google_client_config.provider.access_token
+  })
 }
 
 # Terraform providers (kubernetes, helm)