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(* virt-v2v
* Copyright (C) 2009-2016 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
(* Utilities used in virt-v2v only. *)
open Printf
open Common_gettext.Gettext
open Common_utils
external drive_name : int -> string = "v2v_utils_drive_name"
external drive_index : string -> int = "v2v_utils_drive_index"
external shell_unquote : string -> string = "v2v_utils_shell_unquote"
(* Map guest architecture found by inspection to the architecture
* that KVM must emulate. Note for x86 we assume a 64 bit hypervisor.
*)
let kvm_arch = function
| "i386" | "i486" | "i586" | "i686"
| "x86_64" -> "x86_64"
| "unknown" -> "x86_64" (* most likely *)
| arch -> arch
(* Does qemu support the given sound card? *)
let qemu_supports_sound_card = function
| Types.AC97
| Types.ES1370
| Types.ICH6
| Types.ICH9
| Types.PCSpeaker
| Types.SB16
| Types.USBAudio
-> true
(* Find the UEFI firmware. *)
let find_uefi_firmware guest_arch =
let files =
(* The lists of firmware are actually defined in src/uefi.c. *)
match guest_arch with
| "i386" | "i486" | "i586" | "i686" -> Uefi.uefi_i386_firmware
| "x86_64" -> Uefi.uefi_x86_64_firmware
| "aarch64" -> Uefi.uefi_aarch64_firmware
| arch ->
error (f_"don't know how to convert UEFI guests for architecture %s")
guest_arch in
let rec loop = function
| [] ->
error (f_"cannot find firmware for UEFI guests.\n\nYou probably need to install OVMF, or Gerd's firmware repo (https://www.kraxel.org/repos/), or AAVMF (if using aarch64)")
| ({ Uefi.code = code; vars = vars_template } as ret) :: rest ->
if Sys.file_exists code && Sys.file_exists vars_template then ret
else loop rest
in
loop files
let compare_app2_versions app1 app2 =
let i = compare app1.Guestfs.app2_epoch app2.Guestfs.app2_epoch in
if i <> 0 then i
else (
let i =
compare_version app1.Guestfs.app2_version app2.Guestfs.app2_version in
if i <> 0 then i
else
compare_version app1.Guestfs.app2_release app2.Guestfs.app2_release
)
let du filename =
(* There's no OCaml binding for st_blocks, so run coreutils 'du'. *)
let cmd =
sprintf "du --block-size=1 %s | awk '{print $1}'" (quote filename) in
(* XXX This can call error and so exit, but it would be preferable
* to raise an exception here.
*)
let lines = external_command cmd in
match lines with
| line::_ -> Int64.of_string line
| [] -> invalid_arg filename
|
