[pve-devel] [PATCH storage 21/26] plugins: update volume_import methods

Wolfgang Bumiller w.bumiller at proxmox.com
Tue Jul 29 13:15:34 CEST 2025


Signed-off-by: Wolfgang Bumiller <w.bumiller at proxmox.com>
---
 src/PVE/Storage/BTRFSPlugin.pm   | 11 +++++-
 src/PVE/Storage/LVMPlugin.pm     | 12 ++++++-
 src/PVE/Storage/LvmThinPlugin.pm | 62 ++++++++++++++++++++------------
 src/PVE/Storage/Plugin.pm        | 12 ++++++-
 src/PVE/Storage/RBDPlugin.pm     | 13 +++++--
 src/PVE/Storage/ZFSPoolPlugin.pm | 14 ++++++--
 6 files changed, 94 insertions(+), 30 deletions(-)

diff --git a/src/PVE/Storage/BTRFSPlugin.pm b/src/PVE/Storage/BTRFSPlugin.pm
index a0145bb..0bd5244 100644
--- a/src/PVE/Storage/BTRFSPlugin.pm
+++ b/src/PVE/Storage/BTRFSPlugin.pm
@@ -880,6 +880,7 @@ sub volume_import {
         $base_snapshot,
         $with_snapshots,
         $allow_rename,
+        $import_vtype,
     ) = @_;
 
     if ($format ne 'btrfs') {
@@ -895,6 +896,14 @@ sub volume_import {
     die "btrfs-receiving volumes of type $volume_format ('$volname') is not supported\n"
         if $volume_format ne 'raw' && $volume_format ne 'subvol';
 
+    if (
+        defined($import_vtype)
+        && !PVE::Storage::Common::is_type_change_allowed($import_vtype, $vtype)
+    ) {
+        die "refusing import volume with name '$volname':"
+            . " name implies type '$vtype', import requested type '$import_vtype'\n";
+    }
+
     if (defined($base_snapshot)) {
         my $path = $class->path($scfg, $volname, $storeid, $base_snapshot);
         $path = raw_file_to_subvol($path) if $volume_format eq 'raw';
@@ -909,7 +918,7 @@ sub volume_import {
 
     if (!defined($base_snapshot) && -e $destination) {
         die "volume $volname already exists\n" if !$allow_rename;
-        $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $volume_format, 1);
+        $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $volume_format, 1, $vtype);
     }
 
     my $imagedir = $class->get_subdir($scfg, $vtype);
diff --git a/src/PVE/Storage/LVMPlugin.pm b/src/PVE/Storage/LVMPlugin.pm
index b578ff4..1811e05 100644
--- a/src/PVE/Storage/LVMPlugin.pm
+++ b/src/PVE/Storage/LVMPlugin.pm
@@ -1278,6 +1278,7 @@ sub volume_import {
         $base_snapshot,
         $with_snapshots,
         $allow_rename,
+        $import_vtype,
     ) = @_;
     die "volume import format $format not available for $class\n"
         if $format ne 'raw+size';
@@ -1290,6 +1291,14 @@ sub volume_import {
     die "cannot import format $format into a file of format $file_format\n"
         if $file_format ne 'raw';
 
+    if (
+        defined($import_vtype)
+        && !PVE::Storage::Common::is_type_change_allowed($import_vtype, $vtype)
+    ) {
+        die "refusing import volume with name '$volname':"
+            . " name implies type '$vtype', import requested type '$import_vtype'\n";
+    }
+
     my $vg = $scfg->{vgname};
     my $lvs = lvm_list_volumes($vg);
     if ($lvs->{$vg}->{$volname}) {
@@ -1302,7 +1311,8 @@ sub volume_import {
     $size = PVE::Storage::Common::align_size_up($size, 1024) / 1024;
 
     eval {
-        my $allocname = $class->alloc_image($storeid, $scfg, $vmid, 'raw', $name, $size);
+        my $allocname =
+            $class->alloc_image($storeid, $scfg, $vmid, 'raw', $name, $size, $vtype);
         my $oldname = $volname;
         $volname = $allocname;
         if (defined($name) && $allocname ne $oldname) {
diff --git a/src/PVE/Storage/LvmThinPlugin.pm b/src/PVE/Storage/LvmThinPlugin.pm
index 6462c22..c1ff474 100644
--- a/src/PVE/Storage/LvmThinPlugin.pm
+++ b/src/PVE/Storage/LvmThinPlugin.pm
@@ -6,6 +6,7 @@ use warnings;
 use IO::File;
 
 use PVE::Tools qw(run_command trim);
+use PVE::Storage::Common;
 use PVE::Storage::Plugin;
 use PVE::Storage::LVMPlugin;
 use PVE::JSONSchema qw(get_standard_option);
@@ -488,6 +489,7 @@ sub volume_import {
         $base_snapshot,
         $with_snapshots,
         $allow_rename,
+        $import_vtype,
     ) = @_;
 
     my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $file_format) =
@@ -504,36 +506,50 @@ sub volume_import {
             $base_snapshot,
             $with_snapshots,
             $allow_rename,
+            $import_vtype,
         );
+    }
+
+    if (
+        defined($import_vtype)
+        && !PVE::Storage::Common::is_type_change_allowed($import_vtype, $vtype)
+    ) {
+        die "refusing import volume with name '$volname':"
+            . " name implies type '$vtype', import requested type '$import_vtype'\n";
+    }
+
+    my $tempname;
+    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";
+
+        $tempname = $class->find_free_diskname($storeid, $scfg, $vmid, undef, 0, $vtype);
     } else {
-        my $tempname;
-        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";
-
-            $tempname = $class->find_free_diskname($storeid, $scfg, $vmid);
+        $tempname = $volname;
+        if ($tempname =~ /^base-vol-/) {
+            $tempname =~ substr($tempname, 5);
         } else {
-            $tempname = $volname;
             $tempname =~ s/base/vm/;
         }
+    }
 
-        my $newvolid = $class->SUPER::volume_import(
-            $scfg,
-            $storeid,
-            $fh,
-            $tempname,
-            $format,
-            $snapshot,
-            $base_snapshot,
-            $with_snapshots,
-            $allow_rename,
-        );
-        ($storeid, my $newname) = PVE::Storage::parse_volume_id($newvolid);
+    my $newvolid = $class->SUPER::volume_import(
+        $scfg,
+        $storeid,
+        $fh,
+        $tempname,
+        $format,
+        $snapshot,
+        $base_snapshot,
+        $with_snapshots,
+        $allow_rename,
+        $import_vtype,
+    );
+    ($storeid, my $newname) = PVE::Storage::parse_volume_id($newvolid);
 
-        $volname = $class->create_base($storeid, $scfg, $newname);
-    }
+    $volname = $class->create_base($storeid, $scfg, $newname);
 
     return "$storeid:$volname";
 }
diff --git a/src/PVE/Storage/Plugin.pm b/src/PVE/Storage/Plugin.pm
index e418042..fc39df7 100644
--- a/src/PVE/Storage/Plugin.pm
+++ b/src/PVE/Storage/Plugin.pm
@@ -2289,6 +2289,7 @@ sub volume_import {
         $base_snapshot,
         $with_snapshots,
         $allow_rename,
+        $import_vtype,
     ) = @_;
 
     die "volume import format '$format' not available for $class\n"
@@ -2303,6 +2304,14 @@ sub volume_import {
     my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $file_format) =
         $class->parse_volname($volname);
 
+    if (
+        defined($import_vtype)
+        && !PVE::Storage::Common::is_type_change_allowed($import_vtype, $vtype)
+    ) {
+        die "refusing import volume with name '$volname':"
+            . " name implies type '$vtype', import requested type '$import_vtype'\n";
+    }
+
     # XXX: Should we bother with conversion routines at this level? This won't
     # happen without manual CLI usage, so for now we just error out...
     die "cannot import format $format into a file of format $file_format\n"
@@ -2321,7 +2330,8 @@ sub volume_import {
     $size = PVE::Storage::Common::align_size_up($size, 1024) / 1024;
 
     eval {
-        my $allocname = $class->alloc_image($storeid, $scfg, $vmid, $file_format, $name, $size);
+        my $allocname =
+            $class->alloc_image($storeid, $scfg, $vmid, $file_format, $name, $size, $vtype);
         my $oldname = $volname;
         $volname = $allocname;
         if (defined($name) && $allocname ne $oldname) {
diff --git a/src/PVE/Storage/RBDPlugin.pm b/src/PVE/Storage/RBDPlugin.pm
index 437dd07..7b54f7c 100644
--- a/src/PVE/Storage/RBDPlugin.pm
+++ b/src/PVE/Storage/RBDPlugin.pm
@@ -1068,20 +1068,29 @@ sub volume_import {
         $base_snapshot,
         $with_snapshots,
         $allow_rename,
+        $import_vtype,
     ) = @_;
 
     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 (undef, $name, $vmid, undef, undef, undef, $file_format) = $class->parse_volname($volname);
+    my ($vtype, $name, $vmid, undef, undef, undef, $file_format) = $class->parse_volname($volname);
     die "cannot import format $format into a volume of format $file_format\n"
         if $file_format ne 'raw';
 
+    if (
+        defined($import_vtype)
+        && !PVE::Storage::Common::is_type_change_allowed($import_vtype, $vtype)
+    ) {
+        die "refusing import volume with name '$volname':"
+            . " name implies type '$vtype', import requested type '$import_vtype'\n";
+    }
+
     if (rbd_volume_exists($scfg, $storeid, $name)) {
         die "volume $name already exists\n" if !$allow_rename;
         warn "volume $name already exists - importing with a different name\n";
-        $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $file_format);
+        $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $file_format, 0, $vtype);
     }
 
     my ($size) = PVE::Storage::Plugin::read_common_header($fh);
diff --git a/src/PVE/Storage/ZFSPoolPlugin.pm b/src/PVE/Storage/ZFSPoolPlugin.pm
index 34768d2..2cae090 100644
--- a/src/PVE/Storage/ZFSPoolPlugin.pm
+++ b/src/PVE/Storage/ZFSPoolPlugin.pm
@@ -9,6 +9,7 @@ use POSIX;
 
 use PVE::ProcFSTools;
 use PVE::RPCEnvironment;
+use PVE::Storage::Common;
 use PVE::Storage::Plugin;
 use PVE::Tools qw(run_command);
 
@@ -890,6 +891,7 @@ sub volume_import {
         $base_snapshot,
         $with_snapshots,
         $allow_rename,
+        $import_vtype,
     ) = @_;
 
     die "unsupported import stream format for $class: $format\n"
@@ -899,9 +901,17 @@ sub volume_import {
     die "internal error: invalid file handle for volume_import\n"
         if !defined($fd);
 
-    my (undef, $dataset, $vmid, undef, undef, undef, $volume_format) =
+    my ($vtype, $dataset, $vmid, undef, undef, undef, $volume_format) =
         $class->parse_volname($volname);
 
+    if (
+        defined($import_vtype)
+        && !PVE::Storage::Common::is_type_change_allowed($import_vtype, $vtype)
+    ) {
+        die "refusing import volume with name '$volname':"
+            . " name implies type '$vtype', import requested type '$import_vtype'\n";
+    }
+
     my $zfspath = "$scfg->{pool}/$dataset";
     my $suffix = defined($base_snapshot) ? "\@$base_snapshot" : '';
     my $exists = 0 == run_command(
@@ -914,7 +924,7 @@ sub volume_import {
     } elsif ($exists) {
         die "volume '$zfspath' already exists\n" if !$allow_rename;
         warn "volume '$zfspath' already exists - importing with a different name\n";
-        $dataset = $class->find_free_diskname($storeid, $scfg, $vmid, $volume_format);
+        $dataset = $class->find_free_diskname($storeid, $scfg, $vmid, $volume_format, 0, $vtype);
         $zfspath = "$scfg->{pool}/$dataset";
     }
 
-- 
2.47.2





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