This function is intened to be used after doing a migration where some
of the volume IDs changed.
Signed-off-by: Fabian Ebner <f.eb...@proxmox.com>
---
PVE/AbstractConfig.pm | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/PVE/AbstractConfig.pm b/PVE/AbstractConfig.pm
index f2e130c..dc788c2 100644
--- a/PVE/AbstractConfig.pm
+++ b/PVE/AbstractConfig.pm
@@ -457,6 +457,36 @@ sub foreach_volume {
$class->foreach_unused_volume($conf, $func, @param) if
$opts->{include_unused};
}
+# $volume_map is a hash of 'old_volid' => 'new_volid' pairs.
+# This method replaces 'old_volid' by 'new_volid' throughout
+# the config including snapshots and unused and vmstate volumes
+sub update_volume_ids {
+ my ($class, $conf, $volume_map) = @_;
+
+ my $volid_key = $class->volid_key();
+
+ my $do_replace = sub {
+ my ($key, $volume, $conf) = @_;
+
+ my $old_volid = $volume->{$volid_key};
+ if (my $new_volid = $volume_map->{$old_volid}) {
+ $volume->{$volid_key} = $new_volid;
+ $conf->{$key} = $class->print_volume($key, $volume);
+ }
+ };
+
+ my $opts = {
+ 'include_unused' => 1,
+ 'extra_keys' => ['vmstate'],
+ };
+
+ $class->foreach_volume($conf, $opts, $do_replace, $conf);
+ foreach my $snap (keys %{$conf->{snapshots}}) {
+ my $snap_conf = $conf->{snapshots}->{$snap};
+ $class->foreach_volume($snap_conf, $opts, $do_replace, $snap_conf);
+ }
+}
+
# Returns whether the template parameter is set in $conf.
sub is_template {
my ($class, $conf) = @_;
--
2.20.1
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