[pve-devel] [PATCH qemu-server] vzdump: add master key support
Fabian Grünbichler
f.gruenbichler at proxmox.com
Mon Feb 8 14:08:35 CET 2021
running outdated VMs without master key support will generate a warning
but proceed with a backup without encrypted key upload.
Signed-off-by: Fabian Grünbichler <f.gruenbichler at proxmox.com>
---
Notes:
requires libpve-storage-perl with master key support.
PVE/VZDump/QemuServer.pm | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/PVE/VZDump/QemuServer.pm b/PVE/VZDump/QemuServer.pm
index b5e74d3..e3f785a 100644
--- a/PVE/VZDump/QemuServer.pm
+++ b/PVE/VZDump/QemuServer.pm
@@ -485,6 +485,7 @@ sub archive_pbs {
my $repo = PVE::PBSClient::get_repository($scfg);
my $password = PVE::Storage::PBSPlugin::pbs_get_password($scfg, $opts->{storage});
my $keyfile = PVE::Storage::PBSPlugin::pbs_encryption_key_file_name($scfg, $opts->{storage});
+ my $master_keyfile = PVE::Storage::PBSPlugin::pbs_master_pubkey_file_name($scfg, $opts->{storage});
my $diskcount = scalar(@{$task->{disks}});
# proxmox-backup-client can only handle raw files and block devs
@@ -533,6 +534,12 @@ sub archive_pbs {
. "sure you've installed the latest version and the VM has been restarted.\n";
}
+ if (!defined($qemu_support->{"pbs-masterkey"}) && -e $master_keyfile) {
+ $self->loginfo("WARNING: backup target is configured with master key, but running QEMU version does not support master keys.");
+ $self->loginfo("Please make sure you've installed the latest version and the VM has been restarted to use master key feature.");
+ $master_keyfile = undef; # skip rest of master key handling below
+ }
+
my $fs_frozen = $self->qga_fs_freeze($task, $vmid);
my $params = {
@@ -551,7 +558,13 @@ sub archive_pbs {
$self->loginfo("enabling encryption");
$params->{keyfile} = $keyfile;
$params->{encrypt} = JSON::true;
+ if (defined($master_keyfile) && -e $master_keyfile) {
+ $self->loginfo("enabling master key feature");
+ $params->{"master-keyfile"} = $master_keyfile;
+ }
} else {
+ $self->loginfo("WARNING: backup target is configured with master key, but this backup is not encrypted - master key settings will be ignored!")
+ if defined($master_keyfile) && -e $master_keyfile;
$params->{encrypt} = JSON::false;
}
--
2.20.1
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