| I386 | X86_64 | IA64 | PPC | PPC64 | SPARC | SPARC64
| OtherArch of string
| UnknownArch
+type wordsize =
+ | W32 | W64 | WUnknown
type target_config = {
tgt_hypervisor : hypervisor option; (* Remote hypervisor. *)
tgt_architecture : architecture; (* Remote architecture. *)
(* Load external libraries. *)
;;
-#load "unix.cma";;
-#directory "+extlib";;
-#load "extLib.cma";;
-#directory "+pcre";;
-#load "pcre.cma";;
-#directory "+newt";;
-#load "mlnewt.cma";;
-#directory "+xml-light";;
-#load "xml-light.cma";;
+#use "topfind";;
+#require "extlib";;
+#require "pcre";;
+#require "newt";;
+#require "xml-light";;
+#require "gettext-stub";;
+#require "libvirt";;
open Unix
open Printf
open ExtString
(*----------------------------------------------------------------------*)
+(* Gettext support.
+ *
+ * Use s_ "string" to mark a translatable string, and f_ "string %s"
+ * to mark a format string (eg. for printf). There are other
+ * functions: see ocaml-gettext manual and GNU gettext info.
+ *
+ * Try not to mark strings which always go to the log file (eg.
+ * eprintf messages).
+ *)
+
+module P2VGettext = Gettext.Program (
+ struct
+ let textdomain = "virt-p2v"
+ let codeset = None
+ let dir = None
+ let dependencies = []
+ end
+) (GettextStub.Native)
+open P2VGettext
+
+let supported_langs =
+ (* Note these strings are NOT translated! *)
+ let nonasian_langs = [
+ "English", "en_US.UTF-8";
+ ] in
+ let asian_langs = [
+ "\xE6\x97\xA5\xE6\x9C\xAC\xE8\xAA\x9E (Japanese)", "ja_JP.UTF-8"
+ ] in
+ (* Linux console doesn't support Asian or RTL languages. *)
+ let term = try getenv "TERM" with Not_found -> "" in
+ match term with
+ | "linux" -> nonasian_langs
+ | _ -> nonasian_langs @ asian_langs
+
+(*----------------------------------------------------------------------*)
(* General helper functions. *)
let sort_uniq ?(cmp = compare) xs = (* sort and uniq a list *)
| OtherArch arch -> arch
| UnknownArch -> ""
+let architecture_of_string = function
+ | str when
+ String.length str = 4 &&
+ (str.[0] = 'i' || str.[0] = 'I') &&
+ (str.[1] >= '3' && str.[1] <= '6') &&
+ str.[2] = '8' && str.[3] = '6' -> I386
+ | "x86_64" | "X86_64" | "x86-64" | "X86-64" -> X86_64
+ | "ia64" | "IA64" -> IA64
+ | "ppc" | "PPC" | "ppc32" | "PPC32" -> PPC
+ | "ppc64" | "PPC64" -> PPC64
+ | "sparc" | "SPARC" | "sparc32" | "SPARC32" -> SPARC
+ | "sparc64" | "SPARC64" -> SPARC64
+ | "" -> UnknownArch
+ | str -> OtherArch str
+
+let wordsize_of_architecture = function
+ | I386 -> W32
+ | X86_64 -> W64
+ | IA64 -> W64
+ | PPC -> W32
+ | PPC64 -> W64
+ | SPARC -> W32
+ | SPARC64 -> W64
+ | OtherArch arch -> WUnknown
+ | UnknownArch -> WUnknown
+
type nature = LinuxSwap
| LinuxRoot of architecture * linux_distro
| WindowsRoot (* Windows C: *)
| OtherLinux
let rec string_of_nature = function
- | LinuxSwap -> "Linux swap"
+ | LinuxSwap -> s_ "Linux swap"
| LinuxRoot (architecture, distro) ->
string_of_linux_distro distro ^ " " ^ string_of_architecture architecture
- | WindowsRoot -> "Windows root"
- | LinuxBoot -> "Linux /boot"
- | NotRoot -> "Mountable non-root"
- | UnknownNature -> "Unknown"
+ | WindowsRoot -> s_ "Windows root"
+ | LinuxBoot -> s_ "Linux /boot"
+ | NotRoot -> s_ "Mountable non-root"
+ | UnknownNature -> s_ "Unknown partition type"
and string_of_linux_distro = function
| RHEL (a,b) -> sprintf "RHEL %d.%d" a b
| Fedora v -> sprintf "Fedora %d" v
| Debian (a,b) -> sprintf "Debian %d.%d" a b
| OtherLinux -> "Linux"
+(* XML helper functions. *)
+let rec children_with_name name xml =
+ let children = Xml.children xml in
+ List.filter (
+ function
+ | Xml.Element (n, _, _) when n = name -> true
+ | _ -> false
+ ) children
+and xml_has_pcdata_child name pcdata xml =
+ xml_has_child_matching (
+ function
+ | Xml.Element (n, _, [Xml.PCData pcd])
+ when n = name && pcd = pcdata -> true
+ | _ -> false
+ ) xml
+and xml_has_attrib_child name attrib xml =
+ xml_has_child_matching (
+ function
+ | Xml.Element (n, attribs, _)
+ when n = name && List.mem attrib attribs -> true
+ | _ -> false
+ ) xml
+and xml_has_child_matching f xml =
+ let children = Xml.children xml in
+ List.exists f children
+and find_child_with_name name xml =
+ let children = children_with_name name xml in
+ match children with
+ | [] -> raise Not_found
+ | h :: _ -> h
+and find_pcdata_child name xml =
+ let children = children_with_name name xml in
+ let rec loop = function
+ | [] -> raise Not_found
+ | Xml.Element (_, _, [Xml.PCData pcd]) :: _ -> pcd
+ | _ :: tl -> loop tl
+ in
+ loop children
+
type ('a, 'b) either = Either of 'a | Or of 'b
(* We go into and out of newt mode at various stages, but we might
* and help messages are consistent.
*)
let open_centered_window ?stage width height title =
- if not !in_newt then failwith "open_centered_window: not in newt mode";
+ if not !in_newt then failwith (s_ "open_centered_window: not in newt mode");
Newt.cls ();
Newt.centered_window width height title;
let root_text =
| None -> ""
| Some stage -> " - " ^ stage) in
Newt.draw_root_text 0 0 root_text;
- Newt.push_help_line "F12 for next screen | [ALT] [F2] root / no password for shell"
+ Newt.push_help_line
+ (s_ "F12 for next screen | [ALT] [F2] root / no password for shell")
+
+let ok_button = " OK "
(* Some general dialog boxes. *)
let message_box title text =
let textbox = Newt.textbox 1 1 36 14 [Newt.WRAP; Newt.SCROLL] in
Newt.textbox_set_text textbox text;
- let ok = Newt.button 28 16 " OK " in
+ let ok = Newt.button 28 16 ok_button in
let form = Newt.form None None [] in
Newt.form_add_components form [textbox; ok];
(* Fail and exit with error. *)
let failwith text =
prerr_endline text;
- let text = "\n" ^ text ^ "\n\nIf you want to report this error, there is a shell on [ALT] [F2], log in as root with no password.\n\nPlease provide the contents of /tmp/virt-p2v.log and output of the 'dmesg' command." in
- message_box "Error" text;
+ let text = "\n"
+ ^ text
+ ^ s_ "\n\nIf you want to report this error, there is a shell on [ALT] [F2], log in as root with no password.\n\nPlease provide the contents of /tmp/virt-p2v.log and output of the 'dmesg' command." in
+ message_box (s_ "Error") text;
exit 1
(* Display a dialog with checkboxes, return the multiple selected items. *)
(handle, cb)
) items in
- let ok = Newt.button 48 16 " OK " in
+ let ok = Newt.button 48 16 ok_button in
let vb =
if List.length entries > 10 then
(handle, rb)
) items in
- let ok = Newt.button 48 16 " OK " in
+ let ok = Newt.button (width-12) 16 ok_button in
let vb =
if List.length entries > 10 then
(* Run a shell command and check it returns 0. *)
let sh cmd =
eprintf "sh: %s\n%!" cmd;
- if Sys.command cmd <> 0 then failwith (sprintf "Command failed:\n\n%s" cmd)
+ if Sys.command cmd <> 0 then
+ failwith (sprintf (f_ "Command failed:\n\n%s") cmd)
let shfailok cmd =
eprintf "shfailok: %s\n%!" cmd;
match close_process_in chan with
| WEXITED 0 -> Some lines (* command succeeded *)
| WEXITED _ -> None (* command failed *)
- | WSIGNALED i -> failwith (sprintf "shget: command killed by signal %d" i)
- | WSTOPPED i -> failwith (sprintf "shget: command stopped by signal %d" i)
+ | WSIGNALED i ->
+ failwith (sprintf (f_ "shget: command killed by signal %d") i)
+ | WSTOPPED i ->
+ failwith (sprintf (f_ "shget: command stopped by signal %d") i)
(* Start an interactive shell. Need to juggle file descriptors a bit
* because bash write PS1 to stderr (currently directed to the logfile).
) pvs in
LV (vg, lv), pvs, lvsize
| line ->
- failwith ("lvs: unexpected output: " ^ String.concat "," line)
+ failwith ("lvs: " ^ s_ "unexpected output: " ^
+ String.concat "," line)
) lines
(* Get the partitions on a block device.
match lines with
| Some (sectors::_) -> Int64.of_string sectors
| Some [] | None ->
- failwith (sprintf "Snapshot failed - unable to read the size in sectors of block device %s" origin_dev) in
+ failwith (sprintf (f_ "Disk snapshot failed: unable to read the size in sectors of block device %s") origin_dev) in
(* Create the snapshot origin device. Called, eg. snap_sda1_org *)
sh (sprintf "dmsetup create %s_org --table='0 %Ld snapshot-origin /dev/%s'"
(* NB. Lazy unmount is required because dhclient keeps its current
* directory open on /etc/sysconfig/network-scripts/
+ * (Fixed in dhcp >= 4.0.0 but be generous anyway).
*)
sh "mount -o bind /mnt/root/etc /etc";
let status = shwithstatus "/etc/init.d/network start" in
shfailok "ping -c3 `/sbin/ip route list match 0.0.0.0 | head -1 | awk '{print $3}'`";
if !config_greeting then (
- printf "\n\nDid automatic network configuration work?\n";
- printf "Hint: If not sure, there is a shell on console [ALT] [F2]\n";
+ print_endline (s_ "\n\nDid automatic network configuration work?\nHint: If not sure, there is a shell on console [ALT] [F2]");
printf " (y/n) %!";
let line = read_line () in
String.length line > 0 && (line.[0] = 'y' || line.[0] = 'Y')
eprintf "ssh_disconnect\n%!";
match close_process_out chan with
| WEXITED 0 -> () (* OK *)
- | WEXITED i -> failwith (sprintf "ssh: exited with error code %d" i)
- | WSIGNALED i -> failwith (sprintf "ssh: killed by signal %d" i)
- | WSTOPPED i -> failwith (sprintf "ssh: stopped by signal %d" i)
+ | WEXITED i -> failwith (sprintf (f_ "ssh: exited with error code %d") i)
+ | WSIGNALED i -> failwith (sprintf (f_ "ssh: killed by signal %d") i)
+ | WSTOPPED i -> failwith (sprintf (f_ "ssh: stopped by signal %d") i)
+
+(* Use these functions to upload a file. *)
+let ssh_start_upload config filename =
+ let cmd =
+ sprintf "cat \\> %s/%s" (quote config.ssh_directory) (quote filename) in
+ ssh_connect config cmd
+
+let ssh_finish_upload = ssh_disconnect
(* Test SSH connection. *)
let test_ssh config =
- printf "Testing SSH connection by listing files in remote directory ...\n\n%!";
+ print_endline
+ (s_ "Testing SSH connection by listing files in remote directory ...\n");
let cmd = sprintf "/bin/ls %s" (quote config.ssh_directory) in
let conn = ssh_connect config cmd in
ssh_disconnect conn;
if !config_greeting then (
- printf "\n\nDid SSH work?\n";
- printf "Hint: If not sure, there is a shell on console [ALT] [F2]\n";
+ print_endline (s_ "\n\nDid SSH work?\nHint: If not sure, there is a shell on console [ALT] [F2]\n");
printf " (y/n) %!";
let line = read_line () in
String.length line > 0 && (line.[0] = 'y' || line.[0] = 'Y')
true
(* Rewrite /mnt/root/etc/fstab. *)
-let rewrite_fstab state devices_to_send =
+let rewrite_fstab () =
let filename = "/mnt/root/etc/fstab" in
if is_file filename = Some true then (
sh ("cp " ^ quote filename ^ " " ^ quote (filename ^ ".p2vsaved"));
let fd = openfile ("/dev/" ^ ttyname) [ O_RDWR ] 0 in
dup2 fd stdin;
dup2 fd stdout;
- close fd);
- printf "%s starting up ...\n%!" program_name;
+ close fd
+ );
+
+ (* Choose language early, so messages are translated. *)
+ if !config_greeting && List.length supported_langs > 1 then (
+ with_newt (
+ fun () ->
+ let lang = select_single ~stage:(s_ "Select language") 40
+ (s_ "Select language")
+ supported_langs in
+
+ putenv "LANG" lang;
+ ignore (GettextStubCompat.setlocale GettextStubCompat.LC_ALL lang)
+ )
+ );
+
+ let () = printf (f_ "%s starting up ...\n%!") program_name in
(* Disable screen blanking on tty. *)
sh "setterm -blank 0";
(* Check that the environment is a sane-looking live CD. If not, bail. *)
if not test_dialog_stages && is_dir "/mnt/root" <> Some true then
failwith
- "You should only run this script from the live CD or a USB key.";
+ (s_ "You should only run this script from the live CD or a USB key.");
(* Start of the information gathering phase. *)
- printf "Detecting hard drives (this may take some time) ...\n%!";
+ print_endline
+ (s_ "Detecting hard drives (this may take some time) ...");
(* Search for all non-removable block devices. Do this early and bail
* if we can't find anything. This is a list of strings, like "hda".
(String.concat "; "
(List.map (fun (d, b) -> sprintf "%s [%Ld]" d b) devices));
if devices = [] then
- failwith "No non-removable block devices (hard disks, etc.) could be found on this machine.";
+ failwith
+ (s_ "No non-removable block devices (hard disks, etc.) could be found on this machine.");
devices in
(* Search for partitions and LVs (anything that could contain a
) all_partitions
in
- printf "Finished detecting hard drives.\n%!";
+ print_endline (s_ "Finished detecting hard drives.");
(* Autodetect system memory. *)
let system_memory =
- let mem = shget "head -1 /proc/meminfo | awk '{print $2/1024}'" in
- match mem with
- | Some (mem::_) -> int_of_float (float_of_string mem)
- | _ -> 256 in
+ (* Try to parse dmesg first to find the 'Memory:' report when
+ * the kernel booted. If available, this can give us an
+ * indication of usable RAM on this system.
+ *)
+ let dmesg = shget "dmesg" in
+ try
+ let dmesg =
+ match dmesg with Some lines -> lines | None -> raise Not_found in
+ let line =
+ List.find (fun line -> String.starts_with line "Memory: ") dmesg in
+ let subs = Pcre.exec ~pat:"k/([[:digit:]]+)k available" line in
+ let mem = Pcre.get_substring subs 1 in
+ int_of_string mem / 1024
+ with
+ Not_found | Failure "int_of_string" ->
+ (* 'dmesg' can't be parsed. The backup plan is to look
+ * at /proc/meminfo.
+ *)
+ let mem = shget "head -1 /proc/meminfo | awk '{print $2/1024}'" in
+ match mem with
+ | Some (mem::_) -> int_of_float (float_of_string mem)
+
+ (* For some reason even /proc/meminfo didn't work. Just
+ * assume 256 MB instead.
+ *)
+ | _ -> 256 in
(* Autodetect system # pCPUs. *)
let system_nr_cpus =
fun () ->
(* Greeting. *)
if !config_greeting then
- message_box program_name (sprintf "Welcome to %s, a live CD for migrating a physical machine to a virtualized host.\n\nTo continue press the Return key.\n\nTo get a shell you can use [ALT] [F2] and log in as root with no password.\n\nExtra information is logged in /tmp/virt-p2v.log but this file disappears when the machine reboots." program_name);
+ message_box program_name (sprintf (f_ "Welcome to %s, a live CD for migrating a physical machine to a virtualized host.\n\nTo continue press the Return key.\n\nTo get a shell you can use [ALT] [F2] and log in as root with no password.\n\nExtra information is logged in /tmp/virt-p2v.log but this file disappears when the machine reboots.") program_name);
(* Type of transfer. *)
let config_transfer_type =
| Some t -> t
| None ->
let items = [
- "Physical to Virtual (P2V)", P2V;
- "Virtual to Virtual (V2V)", V2V;
+ s_ "Physical to Virtual (P2V)", P2V;
+ s_ "Virtual to Virtual (V2V)", V2V;
] in
- select_single ~stage:"Transfer type" 40
- "Transfer type"
+ select_single ~stage:(s_ "Transfer type") 40
+ (s_ "Transfer type")
items in
(* Network configuration. *)
match !config_network with
| Some n -> n
| None ->
- open_centered_window ~stage:"Network"
- 60 20 "Configure network";
+ open_centered_window ~stage:(s_ "Network")
+ 60 20 (s_ "Configure network");
let autolist = Newt.listbox 4 2 4 [Newt.SCROLL] in
Newt.listbox_set_width autolist 52;
let auto =
Newt.radio_button 1 1
- "Automatic from:" (not no_auto) None in
+ (s_ "Automatic from:") (not no_auto) None in
let shell =
Newt.radio_button 1 6
- "Start a shell" no_auto (Some auto) in
+ (s_ "Start a shell") no_auto (Some auto) in
if no_auto then (
Newt.component_takes_focus auto false;
let qemu =
Newt.radio_button 1 7
- "QEMU user network" false (Some shell) in
+ (s_ "QEMU user network") false (Some shell) in
let nonet =
Newt.radio_button 1 8
- "No network or network already configured" false
- (Some qemu) in
+ (s_ "Don't configure the network") false (Some qemu) in
let static =
Newt.radio_button 1 9
- "Static configuration:" false (Some nonet) in
+ (s_ "Static configuration:") false (Some nonet) in
- let label1 = Newt.label 4 10 "Interface" in
+ let label1 = Newt.label 4 10 (s_ "Interface") in
let entry1 = Newt.entry 16 10 (Some "eth0") 8 [] in
- let label2 = Newt.label 4 11 "Address" in
+ let label2 = Newt.label 4 11 (s_ "IP") in
let entry2 = Newt.entry 16 11 None 16 [] in
- let label3 = Newt.label 4 12 "Netmask" in
+ let label3 = Newt.label 4 12 (s_ "Netmask") in
let entry3 = Newt.entry 16 12 (Some "255.255.255.0") 16 [] in
- let label4 = Newt.label 4 13 "Gateway" in
+ let label4 = Newt.label 4 13 (s_ "Gateway") in
let entry4 = Newt.entry 16 13 None 16 [] in
- let label5 = Newt.label 4 14 "Nameserver" in
+ let label5 = Newt.label 4 14 (s_ "Nameserver") in
let entry5 = Newt.entry 16 14 None 16 [] in
let enable_static () =
Newt.component_add_callback static
(fun () -> enable_static (); disable_autolist ());
- let ok = Newt.button 48 16 " OK " in
+ let ok = Newt.button 48 16 ok_button in
let form = Newt.form None None [] in
Newt.form_add_components form [auto;
(* Try to bring up the network. *)
(match config_network with
| Shell ->
- printf "Network configuration.\n\n";
- printf "Please configure the network from this shell.\n\n";
- printf "When you have finished, exit the shell with ^D or exit.\n\n%!";
+ print_endline (s_ "Network configuration.\n\nPlease configure the network from this shell.\n\nWhen you have finished, exit the shell with ^D or exit.\n");
shell ()
| Static (interface, address, netmask, gateway, nameserver) ->
- printf "Trying static network configuration.\n\n%!";
+ print_endline (s_ "Trying static network configuration.\n");
if not (static_network
(interface, address, netmask, gateway, nameserver)) then (
- printf "\nAuto-configuration failed. Starting a shell.\n\n";
- printf "Please configure the network from this shell.\n\n";
- printf "When you have finished, exit the shell with ^D or exit.\n\n";
+ print_endline (s_ "\nAuto-configuration failed. Starting a shell.\n\nPlease configure the network from this shell.\n\nWhen you have finished, exit the shell with ^D or exit.\n");
shell ()
)
| Auto rootfs ->
- printf
- "Trying network auto-configuration from root filesystem ...\n\n%!";
+ print_endline
+ (s_ "Trying network auto-configuration from root filesystem ...\n");
(* Mount the root filesystem read-only under /mnt/root. *)
sh ("mount -o ro " ^ quote (dev_of_partition rootfs) ^ " /mnt/root");
if not (auto_network ()) then (
- printf "\nAuto-configuration failed. Starting a shell.\n\n";
- printf "Please configure the network from this shell.\n\n";
- printf "When you have finished, exit the shell with ^D or exit.\n\n";
+ print_endline (s_ "\nAuto-configuration failed. Starting a shell.\n\nPlease configure the network from this shell.\n\nWhen you have finished, exit the shell with ^D or exit.\n");
shell ()
);
sh ("umount -l /mnt/root");
| QEMUUserNet ->
- printf "Trying QEMU network configuration.\n\n%!";
+ print_endline (s_ "Trying QEMU network configuration.\n");
qemu_network ()
| NoNetwork -> (* this is easy ... *) ()
| Some c -> c
| None ->
(* Query the user for SSH configuration. *)
- open_centered_window ~stage:"SSH configuration"
- 60 20 "SSH configuration";
+ open_centered_window ~stage:(s_ "SSH configuration")
+ 60 20 (s_ "SSH configuration");
- let label1 = Newt.label 1 1 "Remote host" in
+ let label1 = Newt.label 1 1 (s_ "Remote host") in
let host = Newt.entry 20 1 None 36 [] in
- let label2 = Newt.label 1 2 "Remote port" in
+ let label2 = Newt.label 1 2 (s_ "Remote port") in
let port = Newt.entry 20 2 (Some "22") 6 [] in
- let label3 = Newt.label 1 3 "Remote directory" in
+ let label3 = Newt.label 1 3 (s_ "Remote directory") in
let dir = Newt.entry 20 3 (Some "/var/lib/xen/images") 36 [] in
- let label4 = Newt.label 1 4 "SSH username" in
+ let label4 = Newt.label 1 4 (s_ "SSH username") in
let user = Newt.entry 20 4 (Some "root") 16 [] in
(*
There's no sensible way to support this for SSH:
- let label5 = Newt.label 1 5 "SSH password" in
+ let label5 = Newt.label 1 5 (s_ "SSH password") in
let pass = Newt.entry 20 5 None 16 [Newt.PASSWORD] in
*)
let compr =
- Newt.checkbox 16 7 "Use SSH compression (not good for LANs)"
+ Newt.checkbox 16 7 (s_ "Use SSH compression (not good for LANs)")
' ' None in
- let check = Newt.checkbox 16 9 "Test SSH connection" '*' None in
+ let check =
+ Newt.checkbox 16 9 (s_ "Test SSH connection") '*' None in
- let ok = Newt.button 48 16 " OK " in
+ let ok = Newt.button 48 16 ok_button in
let form = Newt.form None None [] in
Newt.form_add_components form [label1;label2;label3;label4;
(* If asked, check the SSH connection. *)
if config_ssh.ssh_check then
if not (test_ssh config_ssh) then
- failwith "SSH configuration failed";
+ failwith (s_ "SSH configuration failed");
(* Devices and root partition and target configuration selection stage. *)
let config_devices_to_send, config_root_filesystem, config_target =
(label, dev, true)
) all_block_devices in
- select_multiple ~stage:"Block devices" ~force_one:true 60
- "Select block devices to send"
+ select_multiple ~stage:(s_ "Block devices")
+ ~force_one:true 60
+ (s_ "Select block devices to send")
items in
let config_root_filesystem =
(label, part)
) all_partitions in
- select_single ~stage:"Root filesystem" 60
- "Select root filesystem"
+ select_single ~stage:(s_ "Root filesystem") 60
+ (s_ "Select root filesystem")
items in
let config_target =
match !config_target with
| Some t -> t
| None ->
- open_centered_window ~stage:"Target system" 40 20
- "Configure target system";
+ open_centered_window ~stage:(s_ "Target system") 40 20
+ (s_ "Configure target system");
- let hvlabel = Newt.label 1 1 "Hypervisor:" in
+ let hvlabel = Newt.label 1 1 (s_ "Hypervisor:") in
let hvlistbox = Newt.listbox 16 1 4 [Newt.SCROLL] in
Newt.listbox_append_entry hvlistbox "Xen" (Some Xen);
Newt.listbox_append_entry hvlistbox "QEMU" (Some QEMU);
Newt.listbox_append_entry hvlistbox "KVM" (Some KVM);
Newt.listbox_append_entry hvlistbox "Other" None;
- let archlabel = Newt.label 1 5 "Architecture:" in
+ let archlabel = Newt.label 1 5 (s_ "Architecture:") in
let archlistbox = Newt.listbox 16 5 4 [Newt.SCROLL] in
Newt.listbox_append_entry archlistbox "i386" I386;
Newt.listbox_append_entry archlistbox
Newt.listbox_append_entry archlistbox "SPARC 64-bit" SPARC64;
Newt.listbox_append_entry archlistbox "Unknown/other" UnknownArch;
- (* Get the architecture of the selected root filesystem. *)
+ (* Get the architecture of the selected root filesystem.
+ * If not known, default to UnknownArch.
+ *)
+ Newt.listbox_set_current_by_key archlistbox UnknownArch;
(try
match List.assoc config_root_filesystem all_partitions with
| LinuxRoot (arch, _) ->
with
Not_found -> ());
- let memlabel = Newt.label 1 9 "Memory (MB):" in
+ let memlabel = Newt.label 1 9 (s_ "Memory (MB):") in
let mementry = Newt.entry 16 9
(Some (string_of_int system_memory)) 8 [] in
- let cpulabel = Newt.label 1 10 "CPUs:" in
+ let cpulabel = Newt.label 1 10 (s_ "CPUs:") in
let cpuentry = Newt.entry 16 10
(Some (string_of_int system_nr_cpus)) 4 [] in
- let maclabel = Newt.label 1 11 "MAC addr:" in
+ let maclabel = Newt.label 1 11 (s_ "MAC addr:") in
let macentry = Newt.entry 16 11 None 20 [] in
- let maclabel2 = Newt.label 1 12 "(leave MAC blank for random)" in
+ let maclabel2 =
+ Newt.label 1 12 (s_ "(leave MAC blank for random)") in
let libvirtd =
- Newt.checkbox 12 14 "Use remote libvirtd" '*' None in
+ Newt.checkbox 12 14 (s_ "Use remote libvirtd") '*' None in
- let ok = Newt.button 28 16 " OK " in
+ let ok = Newt.button 28 16 ok_button in
let form = Newt.form None None [] in
Newt.form_add_components form
{ tgt_hypervisor = Option.get hv;
tgt_architecture = Option.get arch;
tgt_memory = mem; tgt_vcpus = cpus;
- tgt_mac_address = mac;
+ tgt_mac_address =
+ if mac <> "" then mac else random_mac_address ();
tgt_libvirtd = libvirtd }
else
loop ()
config_devices_to_send, config_root_filesystem, config_target
) in
-
-
-
-
-(*
- (* In test mode, exit here before we do bad things to the developer's
+ (* If architecture is set to UnknownArch, then assume the same
+ * architecture as the live CD.
+ *)
+ let config_target =
+ match config_target.tgt_architecture with
+ | UnknownArch ->
+ let arch = shget "uname -m" in
+ let arch =
+ match arch with
+ | Some (arch :: _) -> architecture_of_string arch
+ | _ -> I386 (* probably wrong XXX *) in
+ { config_target with tgt_architecture = arch }
+ | _ -> config_target in
+
+ (* Try to get the capabilities from the remote machine. If we fail
+ * it doesn't matter too much.
+ *)
+ let caps_os_type, caps_emulator, caps_loader, caps_machine =
+ try
+ if not config_target.tgt_libvirtd then raise Not_found;
+
+ let proto, path =
+ match config_target.tgt_hypervisor with
+ | Some Xen -> "xen", "/"
+ | Some (QEMU|KVM) -> "qemu", "/system"
+ | None -> raise Not_found in
+ let name =
+ sprintf "%s+ssh://%s@%s:%s%s"
+ proto config_ssh.ssh_username
+ config_ssh.ssh_host config_ssh.ssh_port path in
+ eprintf "capabilities URI = %S\n%!" name;
+
+ print_endline (s_ "Try to fetch remote hypervisor capabilities ...\n");
+
+ let conn = Libvirt.Connect.connect_readonly ~name () in
+ let caps = Libvirt.Connect.get_capabilities conn in
+ Libvirt.Connect.close conn;
+
+ (* Turn it into XML data. *)
+ let caps = Xml.parse_string caps in
+ eprintf "capabilities:\n%s\n%!" (Xml.to_string_fmt caps);
+
+ (* We're looking for a guest with <os_type>hvm</os_type>
+ * and <arch name="target-arch">... Later when we can
+ * install PV drivers automatically, we will want to look
+ * for paravirt guest types too.
+ *)
+ let guests = children_with_name "guest" caps in
+ let guests =
+ List.filter (xml_has_pcdata_child "os_type" "hvm") guests in
+ let arch_str = string_of_architecture config_target.tgt_architecture in
+ let guests =
+ List.filter (
+ xml_has_child_matching (
+ function
+ | Xml.Element (n, attribs, _)
+ when n = "arch"
+ && List.exists (
+ fun (n, a) ->
+ n = "name" &&
+ (* deal with i386 vs i686 pestilence *)
+ architecture_of_string a = config_target.tgt_architecture
+ ) attribs
+ -> true
+ | _ -> false
+ )
+ ) guests in
+
+ (* In theory at this point we only have a single guest type
+ * remaining. It might be that we have _zero_ available
+ * guest types, which indicates probably an unsupported
+ * capability of the remote hypervisor (or just that one of
+ * many parsing or heuristics failed). It might be that
+ * we have > 1 available guest types, which indicates some
+ * feature we don't know about.
+ *)
+ let len = List.length guests in
+ if len = 0 then (
+ message_box (s_ "Warning")
+ (sprintf (f_ "Remote hypervisor claims not to support fully virtualized %s guests.\n\nContinuing anyway.\n\n%!") arch_str);
+ raise Not_found
+ );
+
+ if len > 1 then (
+ message_box (s_ "Note")
+ (sprintf (f_ "Remote hypervisor supports multiple types of fully virtualized %s guests.\n\nPlease help further development of libvirt and virt-p2v by sending the file /tmp/virt-p2v.log back to the developers. See the main virt-p2v website for contact details.") arch_str)
+ );
+
+ let guest = List.hd guests in
+
+ let os_type =
+ try Some (find_pcdata_child "os_type" guest)
+ with Not_found -> None in
+ let arch_section = find_child_with_name "arch" guest in
+ let emulator =
+ try Some (find_pcdata_child "emulator" arch_section)
+ with Not_found -> None in
+ let loader =
+ try Some (find_pcdata_child "loader" arch_section)
+ with Not_found -> None in
+ let machine =
+ try Some (find_pcdata_child "machine" arch_section)
+ with Not_found -> None in
+
+ os_type, emulator, loader, machine
+ with
+ | Not_found -> None, None, None, None
+ | Xml.Error err ->
+ eprintf "XML error: %s\n%!" (Xml.error err);
+ None, None, None, None
+ | Xml.Not_element _ | Xml.Not_pcdata _ | Xml.No_attribute _ ->
+ (* If these occur, need to add some more debugging. *)
+ eprintf "XML error when parsing capabilities\n%!";
+ None, None, None, None
+ | Libvirt.Virterror err ->
+ eprintf "libvirt error: %s\n%!" (Libvirt.Virterror.to_string err);
+ None, None, None, None
+ | Invalid_argument str ->
+ eprintf "libvirt error: %s\n%!" str;
+ None, None, None, None in
+
+ (* In test mode, exit here before we do Bad Things to the developer's
* hard disk.
*)
if test_dialog_stages then exit 1;
+ print_endline (s_ "Performing LVM snapshots ...\n");
+
(* Switch LVM config. *)
sh "vgchange -a n";
putenv "LVM_SYSTEM_DIR" "/etc/lvm.new"; (* see lvm(8) *)
sh "rm -f /etc/lvm.new/cache/.cache";
(* Snapshot the block devices to send. *)
- let devices_to_send = Option.get state.devices_to_send in
- let devices_to_send =
+ let config_devices_to_send =
List.map (
fun origin_dev ->
let snapshot_dev = snapshot_name origin_dev in
snapshot origin_dev snapshot_dev;
(origin_dev, snapshot_dev)
- ) devices_to_send in
+ ) config_devices_to_send in
(* Run kpartx on the snapshots. *)
List.iter (
fun (origin, snapshot) ->
shfailok ("kpartx -a " ^ quote ("/dev/mapper/" ^ snapshot))
- ) devices_to_send;
+ ) config_devices_to_send;
(* Rescan for LVs. *)
sh "vgscan";
sh "vgchange -a y";
(* Mount the root filesystem under /mnt/root. *)
- let root_filesystem = Option.get state.root_filesystem in
- (match root_filesystem with
+ (match config_root_filesystem with
| Part (dev, partnum) ->
let dev = dev ^ partnum in
let snapshot_dev = snapshot_name dev in
);
(* Work out what devices will be called at the remote end. *)
- let devices_to_send = List.map (
+ let config_devices_to_send = List.map (
fun (origin_dev, snapshot_dev) ->
let remote_dev = remote_of_origin_dev origin_dev in
(origin_dev, snapshot_dev, remote_dev)
- ) devices_to_send in
+ ) config_devices_to_send in
(* Modify files on the root filesystem. *)
- rewrite_fstab state devices_to_send;
+ rewrite_fstab ();
(* XXX Other files to rewrite? *)
(* Unmount the root filesystem and sync disks. *)
sh "umount /mnt/root";
sh "sync"; (* Ugh, should be in stdlib. *)
- (* Get architecture of root filesystem, detected previously. *)
- let system_architecture =
- try
- (match List.assoc root_filesystem all_partitions with
- | LinuxRoot (arch, _) -> arch
- | _ -> raise Not_found
- )
- with
- Not_found ->
- (* None was detected before, so assume same as live CD. *)
- let arch = shget "uname -m" in
- match arch with
- | Some (("i386"|"i486"|"i586"|"i686")::_) -> I386
- | Some ("x86_64"::_) -> X86_64
- | Some ("ia64"::_) -> IA64
- | _ -> I386 (* probably wrong XXX *) in
-
- let remote_host = Option.get state.remote_host in
- let remote_port = Option.get state.remote_port in
- let remote_directory = Option.get state.remote_directory in
- let remote_username = Option.get state.remote_username in
-
(* XXX This is using the hostname derived from network configuration
* above. We might want to ask the user to choose.
*)
"p2v-" ^ hostname ^ "-" ^ date in
(* Work out what the image filenames will be at the remote end. *)
- let devices_to_send = List.map (
+ let config_devices_to_send = List.map (
fun (origin_dev, snapshot_dev, remote_dev) ->
let remote_name = basename ^ "-" ^ remote_dev ^ ".img" in
(origin_dev, snapshot_dev, remote_dev, remote_name)
- ) devices_to_send in
+ ) config_devices_to_send in
(* Write a configuration file. Not sure if this is any better than
* just 'sprintf-ing' bits of XML text together, but at least we will
* always get well-formed XML.
*
- * XXX For some of the stuff here we really should do a
- * virConnectGetCapabilities call to the remote host first.
- *
* XXX There is a case for using virt-install to generate this XML.
* When we start to incorporate libvirt access & storage API this
* needs to be rethought.
*)
let conf_filename = basename ^ ".conf" in
- let architecture =
- match state.architecture with
- | Some UnknownArch | None -> system_architecture
- | Some arch -> arch in
- let memory =
- match state.memory with
- | Some 0 | None -> system_memory
- | Some memory -> memory in
- let vcpus =
- match state.vcpus with
- | Some 0 | None -> system_nr_cpus
- | Some n -> n in
- let mac_address =
- match state.mac_address with
- | Some "" | None -> random_mac_address ()
- | Some mac -> mac in
-
let xml =
(* Shortcut to make "<name>value</name>". *)
let leaf name value = Xml.Element (name, [], [Xml.PCData value]) in
(* ... and the _other_ sort of leaf (god I hate XML). *)
let tleaf name attribs = Xml.Element (name, attribs, []) in
+ let arch_str =
+ string_of_architecture config_target.tgt_architecture in
+ let arch_wordsize =
+ wordsize_of_architecture config_target.tgt_architecture in
+
(* Standard stuff for every domain. *)
let name = leaf "name" hostname in
let uuid = leaf "uuid" (random_uuid ()) in
- let maxmem = leaf "maxmem" (string_of_int (memory * 1024)) in
- let memory = leaf "memory" (string_of_int (memory * 1024)) in
- let vcpu = leaf "vcpu" (string_of_int vcpus) in
+ let maxmem, memory =
+ let m = string_of_int (config_target.tgt_memory * 1024) in
+ leaf "maxmem" m, leaf "memory" m in
+ let vcpu = leaf "vcpu" (string_of_int config_target.tgt_vcpus) in
(* Top-level stuff which differs for each HV type (isn't this supposed
* to be portable ...)
*)
let extras =
- match state.hypervisor with
+ (* Use capabilities for os_type, etc. else use some good guesses. *)
+ let os_type = Option.default "hvm" caps_os_type in
+ let machine = Option.default "pc" caps_machine in
+ let loader = Option.default "/usr/lib/xen/boot/hvmloader" caps_loader in
+
+ match config_target.tgt_hypervisor with
| Some Xen ->
[Xml.Element ("os", [],
- [leaf "type" "hvm";
- leaf "loader" "/usr/lib/xen/boot/hvmloader";
+ [leaf "type" os_type;
+ leaf "loader" loader;
tleaf "boot" ["dev", "hd"]]);
Xml.Element ("features", [],
[tleaf "pae" [];
tleaf "apic" []]);
tleaf "clock" ["sync", "localtime"]]
| Some KVM ->
- [Xml.Element ("os", [], [leaf "type" "hvm"]);
+ [Xml.Element ("os", [], [leaf "type" os_type]);
tleaf "clock" ["sync", "localtime"]]
| Some QEMU ->
[Xml.Element ("os", [],
[Xml.Element ("type",
- ["arch",
- string_of_architecture architecture;
- "machine","pc"],
- [Xml.PCData "hvm"]);
+ ["arch", arch_str;
+ "machine", machine],
+ [Xml.PCData os_type]);
tleaf "boot" ["dev", "hd"]])]
| None ->
[] in
(* <devices> section. *)
let devices =
let emulator =
- match state.hypervisor with
- | Some Xen ->
- [leaf "emulator" "/usr/lib64/xen/bin/qemu-dm"] (* XXX lib64? *)
- | Some QEMU ->
- [leaf "emulator" "/usr/bin/qemu"]
- | Some KVM ->
- [leaf "emulator" "/usr/bin/qemu-kvm"]
+ match caps_emulator with
+ (* Use the emulator from the libvirt capabilities. *)
+ | Some s -> [leaf "emulator" s]
| None ->
- [] in
+ (* If we don't have libvirt capabilities, best guess. *)
+ match config_target.tgt_hypervisor with
+ | Some Xen ->
+ [leaf "emulator"
+ (if arch_wordsize = W64 then "/usr/lib64/xen/bin/qemu-dm"
+ else "/usr/lib/xen/bin/qemu-dm")]
+ | Some QEMU ->
+ [leaf "emulator" "/usr/bin/qemu"]
+ | Some KVM ->
+ [leaf "emulator" "/usr/bin/qemu-kvm"]
+ | None ->
+ [] in
let interface =
Xml.Element ("interface", ["type", "user"],
- [tleaf "mac" ["address", mac_address]]) in
+ [tleaf "mac" ["address",
+ config_target.tgt_mac_address]]) in
(* XXX should have an option for Xen bridging:
Xml.Element (
"interface", ["type","bridge"],
Xml.Element (
"disk", ["type", "file";
"device", "disk"],
- [tleaf "source" ["file", remote_directory ^ "/" ^ remote_name];
+ [tleaf "source" ["file",
+ config_ssh.ssh_directory ^ "/" ^ remote_name];
tleaf "target" ["dev", remote_dev]]
)
- ) devices_to_send in
+ ) config_devices_to_send in
Xml.Element (
"devices", [],
(* Put it all together in <domain type='foo'>. *)
Xml.Element (
"domain",
- (match state.hypervisor with
+ (match config_target.tgt_hypervisor with
| Some Xen -> ["type", "xen"]
| Some QEMU -> ["type", "qemu"]
| Some KVM -> ["type", "kvm"]
let xml = Xml.to_string_fmt xml in
let conn_arg =
- match state.hypervisor with
+ match config_target.tgt_hypervisor with
| Some Xen | None -> ""
| Some QEMU | Some KVM -> " -c qemu:///system" in
- let xml = sprintf "\
+ let xml = sprintf (f_ "\
<!--
- This is a libvirt configuration file.
+ This is an automatically generated libvirt configuration file.
+ It was written by the %s program.
+
+ Please check the values in this configuration file carefully,
+ particularly maxmem, memory, vcpu and any paths.
To start the domain, do:
virsh%s define %s
virsh%s start %s
--->\n\n" conn_arg conf_filename conn_arg hostname ^ xml in
+-->\n\n") program_name conn_arg conf_filename conn_arg hostname
+ ^ xml
+ ^ "\n" in
let xml_len = String.length xml in
eprintf "length of configuration file is %d bytes\n%!" xml_len;
- let (sock,_) as conn = do_connect conf_filename (Int64.of_int xml_len) in
+ print_endline (s_ "\nWriting configuration file ...\n");
+
+ let (sock,_) as conn = ssh_start_upload config_ssh conf_filename in
(* In OCaml this actually loops calling write(2) *)
ignore (write sock xml 0 xml_len);
- do_disconnect conn in
+ ssh_finish_upload conn in
(* Send the device snapshots to the remote host. *)
(* XXX This code should be made more robust against both network
try List.assoc origin_dev all_block_devices
with Not_found -> assert false (* internal error *) in
- printf "Sending /dev/%s (%.3f GB) to remote machine\n%!" origin_dev
- ((Int64.to_float size) /. (1024.*.1024.*.1024.));
+ let () =
+ printf (f_ "\nSending /dev/%s (%.3f GB) to remote machine\n\n%!")
+ origin_dev ((Int64.to_float size) /. (1024.*.1024.*.1024.)) in
(* Open the snapshot device. *)
let fd = openfile ("/dev/mapper/" ^ snapshot_dev) [O_RDONLY] 0 in
(* Now connect. *)
- let (sock,_) as conn = do_connect remote_name size in
+ let (sock,_) as conn = ssh_start_upload config_ssh remote_name in
(* Copy the data. *)
let spinners = "|/-\\" (* "Oo" *) in
let remaining = 1. -. elapsed in
let secs_remaining = (remaining /. elapsed) *. secs_elapsed in
if secs_remaining > 120. then
- printf " (about %.0f minutes remaining)" (secs_remaining/.60.)
+ printf (f_ " (about %.0f minutes remaining)")
+ (secs_remaining/.60.)
else
- printf " (about %.0f seconds remaining)"
+ printf (f_ " (about %.0f seconds remaining)")
secs_remaining
);
printf " \r%!";
printf "\n\n%!"; (* because of the messages printed above *)
(* Disconnect. *)
- do_disconnect conn
- ) devices_to_send;
+ ssh_finish_upload conn
+ ) config_devices_to_send;
(*printf "\n\nPress any key ...\n%!"; ignore (read_line ());*)
(* Clean up and reboot. *)
ignore (
- msgbox (sprintf "%s completed" program_name)
- (sprintf "\nThe physical to virtual migration is complete.\n\nPlease verify the disk image(s) and configuration file on the remote host, and then start up the virtual machine by doing:\n\ncd %s\nvirsh define %s\n\nWhen you press [OK] this machine will reboot."
- remote_directory conf_filename)
- 17 50
+ message_box (sprintf (f_ "%s has finished") program_name)
+ (sprintf (f_ "\nThe physical to virtual migration is complete.\n\nPlease verify the disk image(s) and configuration file on the remote host, and then start up the virtual machine by doing:\n\ncd %s\nvirsh define %s\n\nWhen you press [OK] this machine will reboot.")
+ config_ssh.ssh_directory conf_filename)
);
shfailok "eject";
shfailok "reboot";
-*)
+
exit 0
(*----------------------------------------------------------------------*)
let usage () =
- eprintf "usage: virt-p2v [--test] [ttyname]\n%!";
+ let () = eprintf (f_ "usage: virt-p2v [--test] [ttyname]\n%!") in
exit 2
(* Make sure that exceptions from 'main' get printed out on stdout
git.annexia.org / virt-p2v.git / blobdiff