Add an option to choose a file format (qcow2, raw, vmdk) when restoring
a vm backup to file based storage. This options allows all disks to be
recreated with the specified file format if supported by the target
storage.

Signed-off-by: Markus Frank <m.fr...@proxmox.com>
---
v3:
* added requires => 'archive' to disk-format
* changed descriptions
* added missing imports/uses
* check if disk_format is in validFormats

 PVE/API2/Qemu.pm     |  7 +++++++
 PVE/CLI/qmrestore.pm |  5 +++++
 PVE/QemuServer.pm    | 14 +++++++++-----
 3 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index 5ac61aa5..3f4d19cc 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -1013,6 +1013,11 @@ __PACKAGE__->register_method({
                    default => 0,
                    description => "Start VM after it was created 
successfully.",
                },
+               'disk-format' => get_standard_option('pve-vm-image-format', {
+                   optional => 1,
+                   requires => 'archive',
+                   description => "Preferred image format used for all VM 
disks when restoring.",
+               }),
                'import-working-storage' => 
get_standard_option('pve-storage-id', {
                    description => "A file-based storage with 'images' 
content-type enabled, which"
                        ." is used as an intermediary extraction storage during 
import. Defaults to"
@@ -1046,6 +1051,7 @@ __PACKAGE__->register_method({
        my $storage = extract_param($param, 'storage');
        my $unique = extract_param($param, 'unique');
        my $live_restore = extract_param($param, 'live-restore');
+       my $disk_format = extract_param($param, 'disk-format');
        my $extraction_storage = extract_param($param, 
'import-working-storage');
 
        if (defined(my $ssh_keys = $param->{sshkeys})) {
@@ -1143,6 +1149,7 @@ __PACKAGE__->register_method({
                    unique => $unique,
                    bwlimit => $bwlimit,
                    live => $live_restore,
+                   disk_format => $disk_format,
                    override_conf => $param,
                };
                if (my $volid = $archive->{volid}) {
diff --git a/PVE/CLI/qmrestore.pm b/PVE/CLI/qmrestore.pm
index a47648bd..9910f30d 100755
--- a/PVE/CLI/qmrestore.pm
+++ b/PVE/CLI/qmrestore.pm
@@ -3,6 +3,7 @@ package PVE::CLI::qmrestore;
 use strict;
 use warnings;
 use PVE::SafeSyslog;
+use PVE::Storage;
 use PVE::Tools qw(extract_param);
 use PVE::INotify;
 use PVE::RPCEnvironment;
@@ -64,6 +65,10 @@ __PACKAGE__->register_method({
                type => 'boolean',
                description => "Start the VM immediately from the backup and 
restore in background. PBS only.",
            },
+           'disk-format' => get_standard_option('pve-vm-image-format', {
+               optional => 1,
+               description => "Preferred image format used for all VM disks 
when restoring.",
+           }),
        },
     },
     returns => {
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index b6fc1f17..dbc7e6be 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -6677,7 +6677,7 @@ my $parse_backup_hints = sub {
 #
 # Returns: { $virtdev => $volid }
 my $restore_allocate_devices = sub {
-    my ($storecfg, $virtdev_hash, $vmid) = @_;
+    my ($storecfg, $virtdev_hash, $vmid, $disk_format) = @_;
 
     my $map = {};
     foreach my $virtdev (sort keys %$virtdev_hash) {
@@ -6689,8 +6689,12 @@ my $restore_allocate_devices = sub {
 
        # test if requested format is supported
        my ($defFormat, $validFormats) = 
PVE::Storage::storage_default_format($storecfg, $storeid);
-       my $supported = grep { $_ eq $d->{format} } @$validFormats;
-       $d->{format} = $defFormat if !$supported;
+
+       if ($disk_format && grep { $_ eq $disk_format } @$validFormats) {
+           $d->{format} = $disk_format;
+       } elsif (!(grep { $_ eq $d->{format} } @$validFormats)) {
+           $d->{format} = $defFormat;
+       }
 
        my $name;
        if ($d->{is_cloudinit}) {
@@ -7064,7 +7068,7 @@ sub restore_proxmox_backup_archive {
        $restore_cleanup_oldconf->($storecfg, $vmid, $oldconf, $virtdev_hash) 
if $oldconf;
 
        # allocate volumes
-       my $map = $restore_allocate_devices->($storecfg, $virtdev_hash, $vmid);
+       my $map = $restore_allocate_devices->($storecfg, $virtdev_hash, $vmid, 
$options->{disk_format});
 
        foreach my $virtdev (sort keys %$virtdev_hash) {
            my $d = $virtdev_hash->{$virtdev};
@@ -7461,7 +7465,7 @@ sub restore_vma_archive {
        }
 
        # allocate volumes
-       my $map = $restore_allocate_devices->($cfg, $virtdev_hash, $vmid);
+       my $map = $restore_allocate_devices->($cfg, $virtdev_hash, $vmid, 
$opts->{disk_format});
 
        # print restore information to $fifofh
        foreach my $virtdev (sort keys %$virtdev_hash) {
-- 
2.39.5



_______________________________________________
pve-devel mailing list
pve-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel

Reply via email to