* [PATCH pve-storage 0/1] storage: add xz support
@ 2026-03-05 12:08 mail
2026-03-05 12:08 ` [PATCH pve-storage 1/1] " mail
2026-03-05 16:25 ` [PATCH pve-storage 0/1] " Max R. Carrara
0 siblings, 2 replies; 4+ messages in thread
From: mail @ 2026-03-05 12:08 UTC (permalink / raw)
To: pve-devel; +Cc: Roman Ondráček
From: Roman Ondráček <mail@romanondracek.cz>
A popular ISO compressed exclusively with xz is FreeBSD [1].
Since this requires adding `xz` to the list of known compression
formats we add decompression methods for vmz and tar.
[1] https://download.freebsd.org/releases/amd64/amd64/ISO-IMAGES/15.0/
Signed-off-by: Roman Ondráček <mail@romanondracek.cz>
Roman Ondráček (1):
storage: add xz support
debian/control | 1 +
src/PVE/Storage.pm | 5 ++++-
src/PVE/Storage/Plugin.pm | 2 +-
src/test/archive_info_test.pm | 6 ++++--
src/test/list_volumes_test.pm | 11 ++++++++++-
src/test/parse_volname_test.pm | 8 ++++----
src/test/path_to_volume_id_test.pm | 12 +++++++-----
7 files changed, 31 insertions(+), 14 deletions(-)
--
2.53.0
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH pve-storage 1/1] storage: add xz support
2026-03-05 12:08 [PATCH pve-storage 0/1] storage: add xz support mail
@ 2026-03-05 12:08 ` mail
2026-03-05 14:52 ` David Riley
2026-03-05 16:25 ` [PATCH pve-storage 0/1] " Max R. Carrara
1 sibling, 1 reply; 4+ messages in thread
From: mail @ 2026-03-05 12:08 UTC (permalink / raw)
To: pve-devel; +Cc: Roman Ondráček
From: Roman Ondráček <mail@romanondracek.cz>
Signed-off-by: Roman Ondráček <mail@romanondracek.cz>
---
debian/control | 1 +
src/PVE/Storage.pm | 5 ++++-
src/PVE/Storage/Plugin.pm | 2 +-
src/test/archive_info_test.pm | 6 ++++--
src/test/list_volumes_test.pm | 11 ++++++++++-
src/test/parse_volname_test.pm | 8 ++++----
src/test/path_to_volume_id_test.pm | 12 +++++++-----
7 files changed, 31 insertions(+), 14 deletions(-)
diff --git a/debian/control b/debian/control
index 6bd55a2..9ef10e6 100644
--- a/debian/control
+++ b/debian/control
@@ -50,6 +50,7 @@ Depends: bzip2,
smbclient,
thin-provisioning-tools,
udev,
+ xz-utils,
zstd,
${misc:Depends},
${perl:Depends},
diff --git a/src/PVE/Storage.pm b/src/PVE/Storage.pm
index 6e87bac..b9ae6d7 100755
--- a/src/PVE/Storage.pm
+++ b/src/PVE/Storage.pm
@@ -115,7 +115,7 @@ PVE::Storage::Plugin->init();
our $ISO_EXT_RE_0 = qr/\.(?:iso|img)/i;
-our $VZTMPL_EXT_RE_1 = qr/\.(?|(tar)(?!\.)|tar\.(gz|xz|zst|bz2))/i;
+our $VZTMPL_EXT_RE_1 = qr/\.(?|(tar)(?!\.)|tar\.(gz|xz|zst|bz2|xz))/i;
our $BACKUP_EXT_RE_2 = qr/\.(tgz|(?:tar|vma)(?:\.(${\PVE::Storage::Plugin::COMPRESSOR_RE}))?)/;
@@ -1761,18 +1761,21 @@ sub decompressor_info {
lzo => ['tar', '--lzop'],
zst => ['tar', '--zstd'],
bz2 => ['tar', '--bzip2'],
+ xz => ['tar', '--xz'],
},
vma => {
gz => ['zcat'],
lzo => ['lzop', '-d', '-c'],
zst => ['zstd', '-q', '-d', '-c'],
bz2 => ['bzcat', '-q'],
+ xz => ['xz', '-q', '-d', '-c'],
},
iso => {
gz => ['zcat'],
lzo => ['lzop', '-d', '-c'],
zst => ['zstd', '-q', '-d', '-c'],
bz2 => ['bzcat', '-q'],
+ xz => ['xz', '-q', '-d', '-c'],
},
};
diff --git a/src/PVE/Storage/Plugin.pm b/src/PVE/Storage/Plugin.pm
index 6f3d691..5b0216e 100644
--- a/src/PVE/Storage/Plugin.pm
+++ b/src/PVE/Storage/Plugin.pm
@@ -21,7 +21,7 @@ use JSON;
use base qw(PVE::SectionConfig);
-use constant KNOWN_COMPRESSION_FORMATS => ('gz', 'lzo', 'zst', 'bz2');
+use constant KNOWN_COMPRESSION_FORMATS => ('gz', 'lzo', 'zst', 'bz2', 'xz');
use constant COMPRESSOR_RE => join('|', KNOWN_COMPRESSION_FORMATS);
use constant LOG_EXT => ".log";
diff --git a/src/test/archive_info_test.pm b/src/test/archive_info_test.pm
index c5c3992..b8dfbff 100644
--- a/src/test/archive_info_test.pm
+++ b/src/test/archive_info_test.pm
@@ -115,19 +115,21 @@ my $tests = [
},
];
-# add new compression fromats to test
+# add new compression formats to test
my $decompressor = {
tar => {
gz => ['tar', '-z'],
lzo => ['tar', '--lzop'],
zst => ['tar', '--zstd'],
bz2 => ['tar', '--bzip2'],
+ xz => ['tar', '--xz'],
},
vma => {
gz => ['zcat'],
lzo => ['lzop', '-d', '-c'],
zst => ['zstd', '-q', '-d', '-c'],
bz2 => ['bzcat', '-q'],
+ xz => ['xz', '-q', '-d', '-c'],
},
};
@@ -167,7 +169,7 @@ for my $virt (sort keys %$bkp_suffix) {
my $non_bkp_suffix = {
'openvz' => ['zip', 'tgz.lzo', 'zip.gz', ''],
'lxc' => ['zip', 'tgz.lzo', 'zip.gz', ''],
- 'qemu' => ['vma.xz', 'vms.gz', 'vmx.zst', ''],
+ 'qemu' => ['vms.gz', 'vmx.zst', ''],
'none' => ['tar.gz'],
};
diff --git a/src/test/list_volumes_test.pm b/src/test/list_volumes_test.pm
index 0876902..d79e991 100644
--- a/src/test/list_volumes_test.pm
+++ b/src/test/list_volumes_test.pm
@@ -90,6 +90,7 @@ my @tests = (
"$storage_dir/images/16110/vm-16110-disk-1.raw",
"$storage_dir/images/16110/vm-16110-disk-2.vmdk",
"$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_11_40.vma.gz",
+ "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz",
"$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_45.vma.lzo",
"$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_13_55.vma",
"$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_13_55.vma.zst",
@@ -136,6 +137,15 @@ my @tests = (
'vmid' => '16110',
'volid' => 'local:backup/vzdump-qemu-16110-2020_03_30-21_11_40.vma.gz',
},
+ {
+ 'content' => 'backup',
+ 'ctime' => 1585602760,
+ 'format' => 'vma.xz',
+ 'size' => DEFAULT_SIZE,
+ 'subtype' => 'qemu',
+ 'vmid' => '16110',
+ 'volid' => 'local:backup/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz',
+ },
{
'content' => 'backup',
'ctime' => 1585602765,
@@ -457,7 +467,6 @@ my @tests = (
"$storage_dir/private/subvol-19254-disk-0/19254",
"$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.zip.gz",
"$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.tgz.lzo",
- "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz",
"$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vms.gz",
],
expected => [], # returns empty list
diff --git a/src/test/parse_volname_test.pm b/src/test/parse_volname_test.pm
index 5c9478a..035e3ee 100644
--- a/src/test/parse_volname_test.pm
+++ b/src/test/parse_volname_test.pm
@@ -247,9 +247,9 @@ foreach my $s (@$disk_suffix) {
# create more test cases for backup files matches
my $bkp_suffix = {
- qemu => ['vma', 'vma.gz', 'vma.lzo', 'vma.zst'],
- lxc => ['tar', 'tgz', 'tar.gz', 'tar.lzo', 'tar.zst', 'tar.bz2'],
- openvz => ['tar', 'tgz', 'tar.gz', 'tar.lzo', 'tar.zst'],
+ qemu => ['vma', 'vma.gz', 'vma.lzo', 'vma.xz', 'vma.zst'],
+ lxc => ['tar', 'tgz', 'tar.gz', 'tar.lzo', 'tar.xz', 'tar.zst', 'tar.bz2'],
+ openvz => ['tar', 'tgz', 'tar.gz', 'tar.lzo', 'tar.xz', 'tar.zst'],
};
foreach my $virt (keys %$bkp_suffix) {
@@ -277,7 +277,7 @@ foreach my $virt (keys %$bkp_suffix) {
# create more test cases for failed backup files matches
my $non_bkp_suffix = {
- qemu => ['vms.gz', 'vma.xz'],
+ qemu => ['vms.gz'],
lxc => ['zip.gz', 'tgz.lzo'],
};
foreach my $virt (keys %$non_bkp_suffix) {
diff --git a/src/test/path_to_volume_id_test.pm b/src/test/path_to_volume_id_test.pm
index dfa51e6..ad3f39a 100644
--- a/src/test/path_to_volume_id_test.pm
+++ b/src/test/path_to_volume_id_test.pm
@@ -92,6 +92,13 @@ my @tests = (
'backup', 'local:backup/vzdump-lxc-16112-2020_03_30-21_39_30.tar.lzo',
],
},
+ {
+ description => 'Backup, vma.xz',
+ volname => "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz",
+ expected => [
+ 'backup', 'local:backup/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz',
+ ],
+ },
{
description => 'Backup, vma.zst',
volname => "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_13_55.vma.zst",
@@ -212,11 +219,6 @@ my @tests = (
volname => "$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.tgz.lzo",
expected => [''],
},
- {
- description => 'Backup, wrong ending, qemu, vma.xz',
- volname => "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz",
- expected => [''],
- },
{
description => 'Backup, wrong format, qemu, vms.gz',
volname => "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vms.gz",
--
2.53.0
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH pve-storage 1/1] storage: add xz support
2026-03-05 12:08 ` [PATCH pve-storage 1/1] " mail
@ 2026-03-05 14:52 ` David Riley
0 siblings, 0 replies; 4+ messages in thread
From: David Riley @ 2026-03-05 14:52 UTC (permalink / raw)
To: mail, pve-devel
no deep review I just noted a small thing, comment inline
On 3/5/26 1:08 PM, mail@romanondracek.cz wrote:
> From: Roman Ondráček <mail@romanondracek.cz>
>
> Signed-off-by: Roman Ondráček <mail@romanondracek.cz>
> ---
> debian/control | 1 +
> src/PVE/Storage.pm | 5 ++++-
> src/PVE/Storage/Plugin.pm | 2 +-
> src/test/archive_info_test.pm | 6 ++++--
> src/test/list_volumes_test.pm | 11 ++++++++++-
> src/test/parse_volname_test.pm | 8 ++++----
> src/test/path_to_volume_id_test.pm | 12 +++++++-----
> 7 files changed, 31 insertions(+), 14 deletions(-)
>
> diff --git a/debian/control b/debian/control
> index 6bd55a2..9ef10e6 100644
> --- a/debian/control
> +++ b/debian/control
> @@ -50,6 +50,7 @@ Depends: bzip2,
> smbclient,
> thin-provisioning-tools,
> udev,
> + xz-utils,
> zstd,
> ${misc:Depends},
> ${perl:Depends},
> diff --git a/src/PVE/Storage.pm b/src/PVE/Storage.pm
> index 6e87bac..b9ae6d7 100755
> --- a/src/PVE/Storage.pm
> +++ b/src/PVE/Storage.pm
> @@ -115,7 +115,7 @@ PVE::Storage::Plugin->init();
>
> our $ISO_EXT_RE_0 = qr/\.(?:iso|img)/i;
>
> -our $VZTMPL_EXT_RE_1 = qr/\.(?|(tar)(?!\.)|tar\.(gz|xz|zst|bz2))/i;
> +our $VZTMPL_EXT_RE_1 = qr/\.(?|(tar)(?!\.)|tar\.(gz|xz|zst|bz2|xz))/i;
seems like xz was already part of the regex.
>
> our $BACKUP_EXT_RE_2 = qr/\.(tgz|(?:tar|vma)(?:\.(${\PVE::Storage::Plugin::COMPRESSOR_RE}))?)/;
>
> @@ -1761,18 +1761,21 @@ sub decompressor_info {
> lzo => ['tar', '--lzop'],
> zst => ['tar', '--zstd'],
> bz2 => ['tar', '--bzip2'],
> + xz => ['tar', '--xz'],
> },
> vma => {
> gz => ['zcat'],
> lzo => ['lzop', '-d', '-c'],
> zst => ['zstd', '-q', '-d', '-c'],
> bz2 => ['bzcat', '-q'],
> + xz => ['xz', '-q', '-d', '-c'],
> },
> iso => {
> gz => ['zcat'],
> lzo => ['lzop', '-d', '-c'],
> zst => ['zstd', '-q', '-d', '-c'],
> bz2 => ['bzcat', '-q'],
> + xz => ['xz', '-q', '-d', '-c'],
> },
> };
>
> diff --git a/src/PVE/Storage/Plugin.pm b/src/PVE/Storage/Plugin.pm
> index 6f3d691..5b0216e 100644
> --- a/src/PVE/Storage/Plugin.pm
> +++ b/src/PVE/Storage/Plugin.pm
> @@ -21,7 +21,7 @@ use JSON;
>
> use base qw(PVE::SectionConfig);
>
> -use constant KNOWN_COMPRESSION_FORMATS => ('gz', 'lzo', 'zst', 'bz2');
> +use constant KNOWN_COMPRESSION_FORMATS => ('gz', 'lzo', 'zst', 'bz2', 'xz');
> use constant COMPRESSOR_RE => join('|', KNOWN_COMPRESSION_FORMATS);
>
> use constant LOG_EXT => ".log";
> diff --git a/src/test/archive_info_test.pm b/src/test/archive_info_test.pm
> index c5c3992..b8dfbff 100644
> --- a/src/test/archive_info_test.pm
> +++ b/src/test/archive_info_test.pm
> @@ -115,19 +115,21 @@ my $tests = [
> },
> ];
>
> -# add new compression fromats to test
> +# add new compression formats to test
> my $decompressor = {
> tar => {
> gz => ['tar', '-z'],
> lzo => ['tar', '--lzop'],
> zst => ['tar', '--zstd'],
> bz2 => ['tar', '--bzip2'],
> + xz => ['tar', '--xz'],
> },
> vma => {
> gz => ['zcat'],
> lzo => ['lzop', '-d', '-c'],
> zst => ['zstd', '-q', '-d', '-c'],
> bz2 => ['bzcat', '-q'],
> + xz => ['xz', '-q', '-d', '-c'],
> },
> };
>
> @@ -167,7 +169,7 @@ for my $virt (sort keys %$bkp_suffix) {
> my $non_bkp_suffix = {
> 'openvz' => ['zip', 'tgz.lzo', 'zip.gz', ''],
> 'lxc' => ['zip', 'tgz.lzo', 'zip.gz', ''],
> - 'qemu' => ['vma.xz', 'vms.gz', 'vmx.zst', ''],
> + 'qemu' => ['vms.gz', 'vmx.zst', ''],
> 'none' => ['tar.gz'],
> };
>
> diff --git a/src/test/list_volumes_test.pm b/src/test/list_volumes_test.pm
> index 0876902..d79e991 100644
> --- a/src/test/list_volumes_test.pm
> +++ b/src/test/list_volumes_test.pm
> @@ -90,6 +90,7 @@ my @tests = (
> "$storage_dir/images/16110/vm-16110-disk-1.raw",
> "$storage_dir/images/16110/vm-16110-disk-2.vmdk",
> "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_11_40.vma.gz",
> + "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz",
> "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_45.vma.lzo",
> "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_13_55.vma",
> "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_13_55.vma.zst",
> @@ -136,6 +137,15 @@ my @tests = (
> 'vmid' => '16110',
> 'volid' => 'local:backup/vzdump-qemu-16110-2020_03_30-21_11_40.vma.gz',
> },
> + {
> + 'content' => 'backup',
> + 'ctime' => 1585602760,
> + 'format' => 'vma.xz',
> + 'size' => DEFAULT_SIZE,
> + 'subtype' => 'qemu',
> + 'vmid' => '16110',
> + 'volid' => 'local:backup/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz',
> + },
> {
> 'content' => 'backup',
> 'ctime' => 1585602765,
> @@ -457,7 +467,6 @@ my @tests = (
> "$storage_dir/private/subvol-19254-disk-0/19254",
> "$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.zip.gz",
> "$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.tgz.lzo",
> - "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz",
> "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vms.gz",
> ],
> expected => [], # returns empty list
> diff --git a/src/test/parse_volname_test.pm b/src/test/parse_volname_test.pm
> index 5c9478a..035e3ee 100644
> --- a/src/test/parse_volname_test.pm
> +++ b/src/test/parse_volname_test.pm
> @@ -247,9 +247,9 @@ foreach my $s (@$disk_suffix) {
>
> # create more test cases for backup files matches
> my $bkp_suffix = {
> - qemu => ['vma', 'vma.gz', 'vma.lzo', 'vma.zst'],
> - lxc => ['tar', 'tgz', 'tar.gz', 'tar.lzo', 'tar.zst', 'tar.bz2'],
> - openvz => ['tar', 'tgz', 'tar.gz', 'tar.lzo', 'tar.zst'],
> + qemu => ['vma', 'vma.gz', 'vma.lzo', 'vma.xz', 'vma.zst'],
> + lxc => ['tar', 'tgz', 'tar.gz', 'tar.lzo', 'tar.xz', 'tar.zst', 'tar.bz2'],
> + openvz => ['tar', 'tgz', 'tar.gz', 'tar.lzo', 'tar.xz', 'tar.zst'],
> };
>
> foreach my $virt (keys %$bkp_suffix) {
> @@ -277,7 +277,7 @@ foreach my $virt (keys %$bkp_suffix) {
>
> # create more test cases for failed backup files matches
> my $non_bkp_suffix = {
> - qemu => ['vms.gz', 'vma.xz'],
> + qemu => ['vms.gz'],
> lxc => ['zip.gz', 'tgz.lzo'],
> };
> foreach my $virt (keys %$non_bkp_suffix) {
> diff --git a/src/test/path_to_volume_id_test.pm b/src/test/path_to_volume_id_test.pm
> index dfa51e6..ad3f39a 100644
> --- a/src/test/path_to_volume_id_test.pm
> +++ b/src/test/path_to_volume_id_test.pm
> @@ -92,6 +92,13 @@ my @tests = (
> 'backup', 'local:backup/vzdump-lxc-16112-2020_03_30-21_39_30.tar.lzo',
> ],
> },
> + {
> + description => 'Backup, vma.xz',
> + volname => "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz",
> + expected => [
> + 'backup', 'local:backup/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz',
> + ],
> + },
> {
> description => 'Backup, vma.zst',
> volname => "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_13_55.vma.zst",
> @@ -212,11 +219,6 @@ my @tests = (
> volname => "$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.tgz.lzo",
> expected => [''],
> },
> - {
> - description => 'Backup, wrong ending, qemu, vma.xz',
> - volname => "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vma.xz",
> - expected => [''],
> - },
> {
> description => 'Backup, wrong format, qemu, vms.gz',
> volname => "$storage_dir/dump/vzdump-qemu-16110-2020_03_30-21_12_40.vms.gz",
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH pve-storage 0/1] storage: add xz support
2026-03-05 12:08 [PATCH pve-storage 0/1] storage: add xz support mail
2026-03-05 12:08 ` [PATCH pve-storage 1/1] " mail
@ 2026-03-05 16:25 ` Max R. Carrara
1 sibling, 0 replies; 4+ messages in thread
From: Max R. Carrara @ 2026-03-05 16:25 UTC (permalink / raw)
To: mail, pve-devel
On Thu Mar 5, 2026 at 1:08 PM CET, mail wrote:
> From: Roman Ondráček <mail@romanondracek.cz>
>
> A popular ISO compressed exclusively with xz is FreeBSD [1].
>
> Since this requires adding `xz` to the list of known compression
> formats we add decompression methods for vmz and tar.
>
> [1] https://download.freebsd.org/releases/amd64/amd64/ISO-IMAGES/15.0/
>
> Signed-off-by: Roman Ondráček <mail@romanondracek.cz>
Hi!
Thanks a lot for your patch! Have you by change already signed a
contributor license agreement? If not, see here:
https://www.proxmox.com/en/about/open-source/developers
- Max
>
> Roman Ondráček (1):
> storage: add xz support
>
> debian/control | 1 +
> src/PVE/Storage.pm | 5 ++++-
> src/PVE/Storage/Plugin.pm | 2 +-
> src/test/archive_info_test.pm | 6 ++++--
> src/test/list_volumes_test.pm | 11 ++++++++++-
> src/test/parse_volname_test.pm | 8 ++++----
> src/test/path_to_volume_id_test.pm | 12 +++++++-----
> 7 files changed, 31 insertions(+), 14 deletions(-)
>
> --
> 2.53.0
^ permalink raw reply [flat|nested] 4+ messages in thread
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2026-03-05 16:25 ` [PATCH pve-storage 0/1] " Max R. Carrara
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