From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <pve-devel-bounces@lists.proxmox.com>
Received: from firstgate.proxmox.com (firstgate.proxmox.com [IPv6:2a01:7e0:0:424::9])
by lore.proxmox.com (Postfix) with ESMTPS id A1ED31FF163
for <inbox@lore.proxmox.com>; Thu, 7 Nov 2024 17:52:56 +0100 (CET)
Received: from firstgate.proxmox.com (localhost [127.0.0.1])
by firstgate.proxmox.com (Proxmox) with ESMTP id 8F4AE34D15;
Thu, 7 Nov 2024 17:52:25 +0100 (CET)
From: Fiona Ebner <f.ebner@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Thu, 7 Nov 2024 17:51:32 +0100
Message-Id: <20241107165146.125935-21-f.ebner@proxmox.com>
X-Mailer: git-send-email 2.39.5
In-Reply-To: <20241107165146.125935-1-f.ebner@proxmox.com>
References: <20241107165146.125935-1-f.ebner@proxmox.com>
MIME-Version: 1.0
X-SPAM-LEVEL: Spam detection results: 0
AWL -0.056 Adjusted score from AWL reputation of From: address
BAYES_00 -1.9 Bayes spam probability is 0 to 1%
DMARC_MISSING 0.1 Missing DMARC policy
KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment
SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record
SPF_PASS -0.001 SPF: sender matches SPF record
Subject: [pve-devel] [RFC qemu-server v3 20/34] backup: allow adding
fleecing images also for EFI and TPM
X-BeenThere: pve-devel@lists.proxmox.com
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Proxmox VE development discussion <pve-devel.lists.proxmox.com>
List-Unsubscribe: <https://lists.proxmox.com/cgi-bin/mailman/options/pve-devel>,
<mailto:pve-devel-request@lists.proxmox.com?subject=unsubscribe>
List-Archive: <http://lists.proxmox.com/pipermail/pve-devel/>
List-Post: <mailto:pve-devel@lists.proxmox.com>
List-Help: <mailto:pve-devel-request@lists.proxmox.com?subject=help>
List-Subscribe: <https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel>,
<mailto:pve-devel-request@lists.proxmox.com?subject=subscribe>
Reply-To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Errors-To: pve-devel-bounces@lists.proxmox.com
Sender: "pve-devel" <pve-devel-bounces@lists.proxmox.com>
For the external backup API, it will be necessary to add a fleecing
image even for small disks like EFI and TPM, because there is no other
place the old data could be copied to when a new guest write comes in.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
Changes in v3:
* adapt to context changes from previous patch
PVE/VZDump/QemuServer.pm | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/PVE/VZDump/QemuServer.pm b/PVE/VZDump/QemuServer.pm
index 1ebafe6d..b6dcd6cc 100644
--- a/PVE/VZDump/QemuServer.pm
+++ b/PVE/VZDump/QemuServer.pm
@@ -534,7 +534,7 @@ my sub cleanup_fleecing_images {
}
my sub allocate_fleecing_images {
- my ($self, $disks, $vmid, $fleecing_storeid, $format) = @_;
+ my ($self, $disks, $vmid, $fleecing_storeid, $format, $all_images) = @_;
die "internal error - no fleecing storage specified\n" if !$fleecing_storeid;
@@ -545,7 +545,8 @@ my sub allocate_fleecing_images {
my $n = 0; # counter for fleecing image names
for my $di ($disks->@*) {
- next if $di->{virtdev} =~ m/^(?:tpmstate|efidisk)\d$/; # too small to be worth it
+ # EFI/TPM are usually too small to be worth it, but it's required for external providers
+ next if !$all_images && $di->{virtdev} =~ m/^(?:tpmstate|efidisk)\d$/;
if ($di->{type} eq 'block' || $di->{type} eq 'file') {
my $scfg = PVE::Storage::storage_config($self->{storecfg}, $fleecing_storeid);
my $name = "vm-$vmid-fleece-$n";
@@ -609,7 +610,7 @@ my sub attach_fleecing_images {
}
my sub check_and_prepare_fleecing {
- my ($self, $task, $vmid, $fleecing_opts, $disks, $is_template, $qemu_support) = @_;
+ my ($self, $task, $vmid, $fleecing_opts, $disks, $is_template, $qemu_support, $all_images) = @_;
# Even if the VM was started specifically for fleecing, it's possible that the VM is resumed and
# then starts doing IO. For VMs that are not resumed the fleecing images will just stay empty,
@@ -632,7 +633,8 @@ my sub check_and_prepare_fleecing {
$self->{storecfg}, $fleecing_opts->{storage});
my $format = scalar(grep { $_ eq 'qcow2' } $valid_formats->@*) ? 'qcow2' : 'raw';
- allocate_fleecing_images($self, $disks, $vmid, $fleecing_opts->{storage}, $format);
+ allocate_fleecing_images(
+ $self, $disks, $vmid, $fleecing_opts->{storage}, $format, $all_images);
attach_fleecing_images($self, $disks, $vmid, $format);
}
@@ -723,7 +725,7 @@ sub archive_pbs {
my $is_template = PVE::QemuConfig->is_template($self->{vmlist}->{$vmid});
$task->{'use-fleecing'} = check_and_prepare_fleecing(
- $self, $task, $vmid, $opts->{fleecing}, $task->{disks}, $is_template, $qemu_support);
+ $self, $task, $vmid, $opts->{fleecing}, $task->{disks}, $is_template, $qemu_support, 0);
my $fs_frozen = $self->qga_fs_freeze($task, $vmid);
@@ -907,7 +909,7 @@ sub archive_vma {
$attach_tpmstate_drive->($self, $task, $vmid);
$task->{'use-fleecing'} = check_and_prepare_fleecing(
- $self, $task, $vmid, $opts->{fleecing}, $task->{disks}, $is_template, $qemu_support);
+ $self, $task, $vmid, $opts->{fleecing}, $task->{disks}, $is_template, $qemu_support, 0);
my $outfh;
if ($opts->{stdout}) {
--
2.39.5
_______________________________________________
pve-devel mailing list
pve-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel