Added variables to autogen, using k8s latest

Author: coryodaniel

autogen/variables.tf

@@ -233,3 +233,23 @@ variable "master_ipv4_cidr_block" {
   default      = "10.0.0.0/28"
 }
 {% endif %}
+
+variable "enable_basic_auth" {
+  description = "Basic authentication allows a user to authenticate to the cluster with a username and password. To maximize the security of your cluster, disable this option. Basic authentication is not recommended because it provides no confidentiality protection for transmitted credentials"
+  default = "true"
+}
+
+variable "basic_auth_username" {
+  description = "Kubernetes HTTP Basic auth username. Only used if `enable_basic_auth` is true"
+  default = ""
+}
+
+variable "basic_auth_password" {
+  description = "Kubernetes HTTP Basic auth password. Only used if `enable_basic_auth` is true"
+  default = ""
+}
+
+variable "issue_client_certificate" {
+  description = "Issues a client certificate to authenticate to the cluster endpoint. To maximize the security of your cluster, leave this option disabled. Client certificates don't automatically rotate and aren't easily revocable. WARNING: changing this after cluster creation is destructive!"
+  default = "false"
+}

examples/disable_client_cert/main.tf

@@ -33,8 +33,6 @@ module "gke" {
   subnetwork         = "${var.subnetwork}"
   ip_range_pods      = "${var.ip_range_pods}"
   ip_range_services  = "${var.ip_range_services}"
-  kubernetes_version = "1.11.5-gke.4"
-  node_version       = "1.11.5-gke.4"
   service_account    = "${var.compute_engine_service_account}"
 
   enable_basic_auth = false