infra: r740 updates

infra/r740/kube/variables.tf

@@ -0,0 +1,16 @@
+variable "sops_private_key" {
+  description = "Private SOPS GPG key for flux/kubernetes to decrypt secrets"
+  type = string
+}
+variable "kube_hostname" {
+  description = "Kubernetes cluster hostname"
+  type = string
+}
+variable "kube_host" {
+  description = "Kubernetes cluster host"
+  type = string
+}
+variable "physical_hostname" {
+  description = "Host name of the physical host for the kubernetes VM"
+  type = string
+}