Vsphere (#7306)

* Add terraform scripts for vSphere

* Fixup: Add terraform scripts for vSphere

* Add inventory generation

* Use machines var to provide IPs

* Add README file

* Add default.tfvars file

* Fix newlines at the end of files

* Remove master.count and worker.count variables

* Fixup cloud-init formatting

* Fixes after initial review

* Add warning about disabled DHCP

* Fixes after second review

* Add sample-inventory

contrib/terraform/vsphere/modules/kubernetes-cluster/variables.tf

@@ -0,0 +1,38 @@
+## Global ##
+variable "prefix" {}
+
+variable "machines" {
+  description = "Cluster machines"
+  type = map(object({
+    node_type = string
+    ip      = string
+  }))
+}
+
+variable "gateway" {}
+variable "dns_primary" {}
+variable "dns_secondary" {}
+variable "pool_id" {}
+variable "datastore_id" {}
+variable "guest_id" {}
+variable "scsi_type" {}
+variable "network_id" {}
+variable "adapter_type" {}
+variable "disk_thin_provisioned" {}
+variable "template_id" {}
+variable "firmware" {}
+variable "folder" {}
+variable "ssh_public_keys" {
+  type = list(string)
+}
+variable "hardware_version" {}
+
+## Master ##
+variable "master_cores" {}
+variable "master_memory" {}
+variable "master_disk_size" {}
+
+## Worker ##
+variable "worker_cores" {}
+variable "worker_memory" {}
+variable "worker_disk_size" {}