[WIP] vSphere UPI - Use a folder for virtual machines

- Creates a vm folder
- Virtual Machines are deployed into the folder created
- Updated README.md

upi/vsphere/folder/main.tf

@@ -0,0 +1,5 @@
+resource "vsphere_folder" "folder" {
+  path          = "${var.path}"
+  type          = "vm"
+  datacenter_id = "${var.datacenter_id}"
+}

upi/vsphere/folder/output.tf

@@ -0,0 +1,3 @@
+output "path" {
+  value = "${vsphere_folder.folder.path}"
+}

upi/vsphere/folder/variables.tf

@@ -0,0 +1,11 @@
+variable "path" {
+  type = "string"
+}
+
+variable "datacenter_id" {
+  type = "string"
+}
+
+variable "vsphere_cluster" {
+  type = "string"
+}

upi/vsphere/machine/main.tf

@@ -129,6 +129,7 @@ resource "vsphere_virtual_machine" "vm" {
   num_cpus         = "4"
   memory           = "8192"
   guest_id         = "other26xLinux64Guest"
+  folder           = "${var.folder_id}"
 
   network_interface {
     network_id = "${data.vsphere_network.network.id}"

upi/vsphere/machine/variables.tf

@@ -16,6 +16,10 @@ variable "resource_pool_id" {
   type = "string"
 }
 
+variable "folder_id" {
+  type = "string"
+}
+
 variable "datastore" {
   type = "string"
 }

upi/vsphere/main.tf

@@ -17,13 +17,22 @@ module "resource_pool" {
   vsphere_cluster = "${var.vsphere_cluster}"
 }
 
+module "folder" {
+  source = "./folder"
+
+  path            = "${var.cluster_id}"
+  datacenter_id   = "${data.vsphere_datacenter.dc.id}"
+  vsphere_cluster = "${var.vsphere_cluster}"
+}
+
 module "bootstrap" {
   source = "./machine"
 
   name             = "bootstrap"
   ignition_url     = "${var.bootstrap_ignition_url}"
   resource_pool_id = "${module.resource_pool.pool_id}"
   datastore        = "${var.vsphere_datastore}"
+  folder_id        = "${module.folder.path}"
   network          = "${var.vm_network}"
   datacenter_id    = "${data.vsphere_datacenter.dc.id}"
   template         = "${var.vm_template}"
@@ -42,6 +51,7 @@ module "control_plane" {
   name             = "control-plane"
   ignition         = "${var.control_plane_ignition}"
   resource_pool_id = "${module.resource_pool.pool_id}"
+  folder_id        = "${module.folder.path}"
   datastore        = "${var.vsphere_datastore}"
   network          = "${var.vm_network}"
   datacenter_id    = "${data.vsphere_datacenter.dc.id}"
@@ -60,6 +70,7 @@ module "compute" {
   name             = "compute"
   ignition         = "${var.compute_ignition}"
   resource_pool_id = "${module.resource_pool.pool_id}"
+  folder_id        = "${module.folder.path}"
   datastore        = "${var.vsphere_datastore}"
   network          = "${var.vm_network}"
   datacenter_id    = "${data.vsphere_datacenter.dc.id}"