added output extras to utilize with token auth (#61)

locals.tf

@@ -13,10 +13,15 @@ data "google_compute_instance" "sample_instance" {
 }
 
 locals {
-  project      = data.google_compute_zones.available.project
-  region       = data.google_compute_zones.available.region
-  zone         = data.google_compute_zones.available.names[0]
-  location     = var.zonal_cluster ? local.zone : local.region
+  project                = data.google_compute_zones.available.project
+  region                 = data.google_compute_zones.available.region
+  zone                   = data.google_compute_zones.available.names[0]
+  location               = var.zonal_cluster ? local.zone : local.region
+  cluster_name           = google_container_cluster.primary.name
+  endpoint               = google_container_cluster.primary.endpoint
+  cluster_ca_certificate = google_container_cluster.primary.master_auth[0].cluster_ca_certificate
+  # basic auth kubeconfig method will be removed in future release
+  # we will moving to token based auth method
   kubeconfig   = <<EOF
 apiVersion: v1
 clusters:

outputs.tf

@@ -1,3 +1,19 @@
+output "cluster_name" {
+  description = "cluster name"
+  value       = local.cluster_name
+}
+
+output "endpoint" {
+  sensitive   = true
+  description = "cluster endpoint"
+  value       = local.endpoint
+}
+
+output "ca_certificate" {
+  sensitive = true
+  value     = local.cluster_ca_certificate
+}
+
 output "bastion_proxy_command" {
   value = length(google_compute_instance.bastion) > 0 ? "gcloud beta compute ssh --zone ${element(concat(google_compute_instance.bastion.*.zone, list("")), 0)} ${element(concat(google_compute_instance.bastion.*.name, list("")), 0)} --tunnel-through-iap --ssh-flag='-L 1234:127.0.0.1:8888 -C -N'" : "Not applicable - no bastion"
 }