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From: Hannes Duerr <h.duerr@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Thu, 7 Dec 2023 10:12:03 +0100
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Subject: [pve-devel] [PATCH v2 qemu-server pve-storage 2/2] fix #1611:
implement import of base-images for LVM-thin Storage
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for base images we call the volume_import of the parent plugin and pass
it as vm-image instead of base-image, then convert it back as base-image
Signed-off-by: Hannes Duerr <h.duerr@proxmox.com>
---
src/PVE/Storage/LvmThinPlugin.pm | 60 ++++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)
diff --git a/src/PVE/Storage/LvmThinPlugin.pm b/src/PVE/Storage/LvmThinPlugin.pm
index 1d2e37c..6c95919 100644
--- a/src/PVE/Storage/LvmThinPlugin.pm
+++ b/src/PVE/Storage/LvmThinPlugin.pm
@@ -383,6 +383,66 @@ sub volume_has_feature {
return undef;
}
+sub volume_import {
+ my ($class, $scfg, $storeid, $fh, $volname, $format, $snapshot, $base_snapshot, $with_snapshots, $allow_rename) = @_;
+ die "volume import format $format not available for $class\n"
+ if $format ne 'raw+size';
+ die "cannot import volumes together with their snapshots in $class\n"
+ if $with_snapshots;
+ die "cannot import an incremental stream in $class\n" if defined($base_snapshot);
+
+ my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $file_format) =
+ $class->parse_volname($volname);
+ die "cannot import format $format into a file of format $file_format\n"
+ if $file_format ne 'raw';
+
+ my $oldbasename;
+ if (!$isBase) {
+ ($storeid, $volname) = split (/:/, $class->SUPER::volume_import(
+ $scfg,
+ $storeid,
+ $fh,
+ $name,
+ $format,
+ $snapshot,
+ $base_snapshot,
+ $with_snapshots,
+ $allow_rename
+ ));
+ } else {
+ my $vg = $scfg->{vgname};
+ my $lvs = PVE::Storage::LVMPlugin::lvm_list_volumes($vg);
+ if ($lvs->{$vg}->{$volname}) {
+ die "volume $vg/$volname already exists\n" if !$allow_rename;
+ warn "volume $vg/$volname already exists - importing with a different name\n";
+
+ $volname = $class->find_free_diskname($storeid, $scfg, $vmid);
+ } else {
+ $oldbasename = $volname;
+ $volname =~ s/base/vm/;
+ }
+
+ ($storeid, $volname) = split (/:/, $class->SUPER::volume_import(
+ $scfg,
+ $storeid,
+ $fh,
+ $volname,
+ $format,
+ $snapshot,
+ $base_snapshot,
+ $with_snapshots,
+ $allow_rename
+ ));
+
+ $volname = $class->create_base($storeid, $scfg, $volname);
+ if ($oldbasename) {
+ $volname= $oldbasename;
+ }
+ }
+
+ return "$storeid:$volname";
+}
+
# used in LVMPlugin->volume_import
sub volume_import_write {
my ($class, $input_fh, $output_file) = @_;
--
2.39.2