add support for ubuntu uefi vm

multiple/environments/ubuntu-cloud-server-2404-bios/main.tf

@@ -15,7 +15,7 @@ provider "libvirt" {
 module "shared_modules" {
   source = "../../shared_modules"
   
-  vm_name      = "ubuntu-cloud-server-2404-bios" 
+  vm_name      = "u24-bios" 
   image_location  = "/var/lib/libvirt/images/noble-server-cloudimg-amd64.img"
   ssh_key = "ssh-rsa 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"
 }

multiple/environments/ubuntu-cloud-server-2404-uefi/main.tf

@@ -0,0 +1,27 @@
+terraform {
+  required_version = ">= 0.13"
+  required_providers {
+    libvirt = {
+      source  = "dmacvicar/libvirt"
+      version = "0.8.3"
+    }
+  }
+}
+
+provider "libvirt" {
+  uri = "qemu:///system"
+}
+
+module "shared_modules" {
+  source = "../../shared_modules"
+  
+  vm_name      = "u24-uefi" 
+  image_location  = "/var/lib/libvirt/images/noble-server-cloudimg-amd64.img"
+  ssh_key = "ssh-rsa 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"
+  # ---- OPTIONAL UEFI SETTINGS ----------------------------------------------
+  uefi_firmware        = "/usr/share/edk2/x64/OVMF_CODE.4m.fd"
+  uefi_nvram_template  = "/usr/share/edk2/x64/OVMF_VARS.4m.fd"
+  uefi_nvram_file_suffix = "-uefi"
+  # ----------------------------------------------------------------
+
+}

multiple/shared_modules/domain.tf

@@ -4,6 +4,26 @@ resource "libvirt_domain" "domain" {
   memory = var.memory
   vcpu   = var.vcpu
   cloudinit = libvirt_cloudinit_disk.commoninit.id
+
+  # ---- optional UEFI support ------------------------------------
+  # Firmware – only add the string when a path is supplied
+  firmware = can(var.uefi_firmware) && length(var.uefi_firmware) > 0 ? var.uefi_firmware : null
+
+  # NVRAM block – dynamic block that is evaluated once per VM
+  dynamic "nvram" {
+    # create the block once if a firmware path *and* a template were given
+    for_each = (can(var.uefi_firmware) && length(var.uefi_firmware) > 0
+                && can(var.uefi_nvram_template) && length(var.uefi_nvram_template) > 0
+                ) ? [1] : []
+
+    content {
+      # The NVRAM filename is per‑VM, but we can honour an optional suffix
+      file     = "/var/lib/libvirt/qemu/nvram/${var.vm_name}-${count.index}${var.uefi_nvram_file_suffix}_VARS.fd"
+      template = var.uefi_nvram_template
+    }
+  }
+  # ----------------------------------------------------------------
+
   cpu {
     mode = "host-passthrough"
   }

multiple/shared_modules/variables.tf

@@ -101,4 +101,34 @@ variable "dns_local_only" {
   description = "DNS requests only resolved by virtual network's DNS server"
   type        = bool
   default     = false
+}
+
+variable "uefi_firmware" {
+  description = <<EOT
+    Path to the UEFI firmware binary (OVMF_CODE.fd, QEMU_CODE.fd, …).
+    Leave empty (or omit on the module call) to create a plain BIOS VM.
+  EOT
+  type        = string
+  default     = ""          # “BIOS only” when empty
+}
+
+variable "uefi_nvram_template" {
+  description = <<EOT
+    Path to an NV‑RAM template that backs the UEFI NVRAM.
+    If you specify a template, the VM will get a writable NVRAM block.
+    Leave empty for a plain BIOS VM or if you don’t need UEFI NVRAM.
+  EOT
+  type        = string
+  default     = ""          # no NVRAM when empty
+}
+
+variable "uefi_nvram_file_suffix" {
+  description = <<EOT
+    Optional file‑suffix fragment that is appended to the
+    generated NVRAM file name.  Useful when you want to put the
+    files under a dedicated directory (`/var/lib/libvirt/qemu/uefi/nvram/…`).
+    Empty string means “no suffix” (default behaviour).
+  EOT
+  type        = string
+  default     = ""
 }