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From: Matthias Heiserer <m.heiserer@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Thu, 17 Feb 2022 15:12:51 +0100
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Subject: [pve-devel] [PATCH qemu-server] fix 3674: QEMU restore: verify
 storage allows images before writing
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When restoring a backup and the storage the disks would be created on
doesn't allow 'images', the process errors without cleanup.
This is the same behaviour we currently have when the storage is
disabled.

Signed-off-by: Matthias Heiserer <m.heiserer@proxmox.com>
---
 PVE/QemuServer.pm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index a99f1a5..2a1ec48 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -6299,6 +6299,10 @@ my $restore_allocate_devices = sub {
 	my $supported = grep { $_ eq $d->{format} } @$validFormats;
 	$d->{format} = $defFormat if !$supported;
 
+	# check if images can be stored on the requested storage
+	die "Content type 'images' is not available on storage '$storeid'\n"
+	    if !$scfg->{content}->{images};
+
 	my $name;
 	if ($d->{is_cloudinit}) {
 	    $name = "vm-$vmid-cloudinit";
-- 
2.30.2