From: "Fabian Grünbichler" <f.gruenbichler@proxmox.com>
To: pve-devel@lists.proxmox.com
Subject: [pve-devel] [PATCH v4 qemu-server 05/11] nbd alloc helper: allow passing in explicit format
Date: Thu, 3 Feb 2022 13:41:33 +0100 [thread overview]
Message-ID: <20220203124143.1931377-13-f.gruenbichler@proxmox.com> (raw)
In-Reply-To: <20220203124143.1931377-1-f.gruenbichler@proxmox.com>
and make $volname optional, to support remote migration usage without
code duplication.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
---
Notes:
v2: new
requires
- pve-storage with UNIX import support
- pve-access-control with tunnel ticket support
- pve-http-server with websocket fixes
PVE/QemuServer.pm | 26 +++++++++++++++++---------
1 file changed, 17 insertions(+), 9 deletions(-)
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 033fe3c2..2f1c518d 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -5271,11 +5271,9 @@ sub vm_migrate_get_nbd_disks {
sub vm_migrate_alloc_nbd_disks {
my ($storecfg, $vmid, $source_volumes, $storagemap) = @_;
- my $format = undef;
-
my $nbd = {};
foreach my $opt (sort keys %$source_volumes) {
- my ($volid, $storeid, $volname, $drive, $use_existing) = @{$source_volumes->{$opt}};
+ my ($volid, $storeid, $volname, $drive, $use_existing, $format) = @{$source_volumes->{$opt}};
if ($use_existing) {
$nbd->{$opt}->{drivestr} = print_drive($drive);
@@ -5284,16 +5282,26 @@ sub vm_migrate_alloc_nbd_disks {
next;
}
- # If a remote storage is specified and the format of the original
- # volume is not available there, fall back to the default format.
- # Otherwise use the same format as the original.
+ # storage mapping + volname = regular migration
+ # storage mapping + format = remote migration
+ # order of precedence, filtered by whether storage supports it:
+ # 1. explicit requested format
+ # 2. format of current volume
+ # 3. default format of storage
if (!$storagemap->{identity}) {
$storeid = map_id($storagemap, $storeid);
my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
- my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
- my $fileFormat = qemu_img_format($scfg, $volname);
- $format = (grep {$fileFormat eq $_} @{$validFormats}) ? $fileFormat : $defFormat;
+ if (!$format || !grep { $format eq $_ } @$validFormats) {
+ if ($volname) {
+ my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
+ my $fileFormat = qemu_img_format($scfg, $volname);
+ $format = $fileFormat
+ if grep { $fileFormat eq $_ } @$validFormats;
+ }
+ $format //= $defFormat;
+ }
} else {
+ # can't happen for remote migration, so $volname is always defined
my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
$format = qemu_img_format($scfg, $volname);
}
--
2.30.2
next prev parent reply other threads:[~2022-02-03 12:42 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-03 12:41 [pve-devel] [PATCH v4 guest-common 0/22] remote migration Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 guest-common 1/3] migrate: handle migration_network with " Fabian Grünbichler
2022-02-04 16:37 ` [pve-devel] applied: " Thomas Lamprecht
2022-02-03 12:41 ` [pve-devel] [PATCH v4 guest-common 2/3] add tunnel helper module Fabian Grünbichler
2022-02-04 11:44 ` Fabian Ebner
2022-02-03 12:41 ` [pve-devel] [PATCH v4 guest-common 3/3] add storage tunnel module Fabian Grünbichler
2022-02-04 12:49 ` Fabian Ebner
2022-02-03 12:41 ` [pve-devel] [PATCH v4 proxmox-websocket-tunnel 1/4] initial commit Fabian Grünbichler
2022-02-04 9:38 ` [pve-devel] partially-applied-series: " Thomas Lamprecht
2022-02-03 12:41 ` [pve-devel] [PATCH v4 proxmox-websocket-tunnel 2/4] add tunnel implementation Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 proxmox-websocket-tunnel 3/4] add fingerprint validation Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 proxmox-websocket-tunnel 4/4] add packaging Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 qemu-server 01/11] refactor map_storage to map_id Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 qemu-server 02/11] schema: use pve-bridge-id Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 qemu-server 03/11] parse_config: optional strict mode Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 qemu-server 04/11] update_vm: allow simultaneous setting of boot-order and dev Fabian Grünbichler
2022-02-03 12:41 ` Fabian Grünbichler [this message]
2022-02-03 12:41 ` [pve-devel] [PATCH v4 qemu-server 06/11] migrate: move tunnel-helpers to pve-guest-common Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 qemu-server 07/11] mtunnel: add API endpoints Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 qemu-server 08/11] migrate: refactor remote VM/tunnel start Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 qemu-server 09/11] migrate: add remote migration handling Fabian Grünbichler
2022-02-04 13:45 ` Fabian Ebner
2022-02-03 12:41 ` [pve-devel] [PATCH v4 qemu-server 10/11] api: add remote migrate endpoint Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 qemu-server 11/11] qm: add remote_migrate command Fabian Grünbichler
2022-02-04 14:03 ` Fabian Ebner
2022-02-03 12:41 ` [pve-devel] [PATCH v4 storage 1/4] volname_for_storage: parse volname before calling Fabian Grünbichler
2022-02-04 16:33 ` [pve-devel] applied: " Thomas Lamprecht
2022-02-03 12:41 ` [pve-devel] [PATCH v4 storage 2/4] storage_migrate: pull out snapshot decision Fabian Grünbichler
2022-02-04 16:33 ` [pve-devel] applied: " Thomas Lamprecht
2022-02-03 12:41 ` [pve-devel] [PATCH v4 storage 3/4] storage_migrate: pull out import/export_prepare Fabian Grünbichler
2022-02-03 12:41 ` [pve-devel] [PATCH v4 storage 4/4] add volume_import/export_start helpers Fabian Grünbichler
2022-02-04 11:38 ` Fabian Ebner
2022-02-04 14:13 ` [pve-devel] [PATCH v4 guest-common 0/22] remote migration Fabian Ebner
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