fix: use raw file format for efi_disk by default (#1249)

Signed-off-by: Pavel Boldyrev <627562+bpg@users.noreply.github.com>

docs/resources/virtual_environment_vm.md

@@ -293,7 +293,7 @@ output "ubuntu_vm_public_key" {
     to `ovmf`)
     - `datastore_id` (Optional) The identifier for the datastore to create
         the disk in (defaults to `local-lvm`).
-    - `file_format` (Optional) The file format.
+    - `file_format` (Optional) The file format (defaults to `raw`).
     - `type` (Optional) Size and type of the OVMF EFI disk. `4m` is newer and
         recommended, and required for Secure Boot. For backwards compatibility
         use `2m`. Ignored for VMs with cpu.architecture=`aarch64` (defaults

fwprovider/tests/resource_vm_test.go

@@ -609,6 +609,30 @@ func TestAccResourceVMDisks(t *testing.T) {
 				RefreshState: true,
 			},
 		}},
+		{"efi disk", []resource.TestStep{
+			{
+				Config: te.renderConfig(`
+				resource "proxmox_virtual_environment_vm" "test_efi_disk" {
+					node_name = "{{.NodeName}}"
+					started   = false
+					name 	  = "test-efi-disk"
+
+					efi_disk {
+						datastore_id = "local-lvm"
+						type = "4m"
+					}
+				}`),
+				Check: resource.ComposeTestCheckFunc(
+					testResourceAttributes("proxmox_virtual_environment_vm.test_efi_disk", map[string]string{
+						"efi_disk.0.datastore_id": "local-lvm",
+						"efi_disk.0.type":         "4m",
+					}),
+				),
+			},
+			{
+				RefreshState: true,
+			},
+		}},
 		{"ide disks", []resource.TestStep{
 			{
 				Config: te.renderConfig(`

proxmoxtf/resource/vm/vm.go

@@ -72,7 +72,7 @@ const (
 	dvDescription         = ""
 
 	dvEFIDiskDatastoreID                = "local-lvm"
-	dvEFIDiskFileFormat                 = "qcow2"
+	dvEFIDiskFileFormat                 = "raw"
 	dvEFIDiskType                       = "2m"
 	dvEFIDiskPreEnrolledKeys            = false
 	dvTPMStateDatastoreID               = "local-lvm"