Updated get-vim-ips script to use hostnames.

- Made the qemu-agent content in the cloud-init config to be controlled
  by a 'install-qemu-agent' flag.

modules/cloud-init-config/main.tf

@@ -1,9 +1,10 @@
 data "template_file" "user-datas" {
   template = file("${var.cloud-init-template}")
   vars = {
-    admin-passwd  = "${var.root-admin-passwd}"
-    admin-pub-key = "${var.root-admin-pub-key}"
-    hostname      = "${var.hostname-prefix}-${count.index}"
+    admin-passwd       = "${var.root-admin-passwd}"
+    admin-pub-key      = "${var.root-admin-pub-key}"
+    hostname           = "${var.hostname-prefix}-${count.index}"
+    install-qemu-agent = var.install-qemu-agent
   }
   count = var.num
 }

modules/cloud-init-config/variables.tf

@@ -8,6 +8,12 @@ variable "hostname-prefix" {
   description = "This prefix wil be applied as a prefix for the hostnames."
 }
 
+variable "install-qemu-agent" {
+  default     = false
+  description = "This flag determines whether or not qemu-agent is installed."
+  type        = bool
+}
+
 variable "num" {
   description = "The number of user-datas to create with these parameters."
 }