Stoiko Ivanov <s.iva...@proxmox.com> writes:

> In general I think the addition of bz2 for ISOs makes sense (if only for
> OPNSense's sake) - Thanks for addressing this!
>
> You want to add bzip2 as dependency to debian/control
> we probably should also add  lzop, zstd, gzip to the dependencies
> although they are pulled in as dependency of pve-manger (due to
> vzdump being there) - please do so in a separate commit

👌

> On Fri,  2 Aug 2024 16:34:14 +0200
> Maximiliano Sandoval <m.sando...@proxmox.com> wrote:
>
>> This was requested at [1].
> add a 'close #5267' to the commit message as suggested in the
> developer-docs:
> https://pve.proxmox.com/wiki/Developer_Documentation#Commits_and_Commit_Messages
> Your colleagues preparing the release-notes will be grateful.
>

#5267 also asks for xz support and it is loosely titled "Please support
 more decompression algorithms" hence why this does not really fix this
 issue.

>> 
>> [1] https://bugzilla.proxmox.com/show_bug.cgi?id=5267
>> 
>> Suggested-by: Stoiko Ivanov <s.iva...@proxmox.com>
>> Signed-off-by: Maximiliano Sandoval <m.sando...@proxmox.com>
>> ---
>> 
>> For the sake of not having a commit where tests fail, this is all in one 
>> commit.
>> Please tell me if I should split it.
> having each commit working is worth a lot if you have to bisect at some
> point - and in this case following the changes works well for me - so I'd
> agree to keep this as one commit
>

👌

>> 
>> The idea is to expose this algorithm only for bz2 decompression in the web UI
>> when downloading ISOs. A followup will contain the patch for pve-manager.
> you say you only want it for ISOs here ...
>> 
>> An popular iso that is compressed with bz2 is opnsense [2].
> That motivation could also be useful in the commit-message for the future.
> (I did not expect that bz2 as sole compressed format is something I'd run
> into nowadays)
>
> will give it a spin with the pve-manager commit.
>
>
>> 
>> [2] https://opnsense.org/download/
>> 
>>  src/PVE/Storage.pm                 |  3 +++
>>  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     |  4 ++--
>>  src/test/path_to_volume_id_test.pm | 13 ++++++++-----
>>  6 files changed, 28 insertions(+), 11 deletions(-)
>> 
>> diff --git a/src/PVE/Storage.pm b/src/PVE/Storage.pm
>> index 57b2038..0caac71 100755
>> --- a/src/PVE/Storage.pm
>> +++ b/src/PVE/Storage.pm
>> @@ -1550,16 +1550,19 @@ sub decompressor_info {
>>          gz => ['tar', '-z'],
>>          lzo => ['tar', '--lzop'],
>>          zst => ['tar', '--zstd'],
>> +        bz2 => ['tar', '--bzip2'],
>>      },
>>      vma => {
>>          gz => ['zcat'],
>>          lzo => ['lzop', '-d', '-c'],
>>          zst => ['zstd', '-q', '-d', '-c'],
>> +        bz2 => ['bzcat', '-q'],
> ... but add it for tar and vma here?
> (haven't tried if adding it only for one of the formats works explicitly
> though)

The patch requires adding a new value to `KNOWN_COMPRESSION_FORMATS`
which at least for the current usecase is used to define the supported
formats for the API. this change can potentially break something else if
these methods are not implemented.

>
> also - but this is really in the realm of cosmetics - why do we have
> zcat/bzcat, but not zstdcat (lzop does not ship a link 
> to lzopcat ..)? (but again - I don't think there's a need to change
> stuff here)
>
>
>>      },
>>      iso => {
>>          gz => ['zcat'],
>>          lzo => ['lzop', '-d', '-c'],
>>          zst => ['zstd', '-q', '-d', '-c'],
>> +        bz2 => ['bzcat', '-q'],
>>      },
>>      };
>>  
>> diff --git a/src/PVE/Storage/Plugin.pm b/src/PVE/Storage/Plugin.pm
>> index 6444390..e5ef9de 100644
>> --- a/src/PVE/Storage/Plugin.pm
>> +++ b/src/PVE/Storage/Plugin.pm
>> @@ -19,7 +19,7 @@ use JSON;
>>  
>>  use base qw(PVE::SectionConfig);
>>  
>> -use constant KNOWN_COMPRESSION_FORMATS =>  ('gz', 'lzo', 'zst');
>> +use constant KNOWN_COMPRESSION_FORMATS =>  ('gz', 'lzo', 'zst', 'bz2');
>>  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 cf03c3d..53e37be 100644
>> --- a/src/test/archive_info_test.pm
>> +++ b/src/test/archive_info_test.pm
>> @@ -121,11 +121,13 @@ my $decompressor = {
>>      gz  => ['tar', '-z'],
>>      lzo => ['tar', '--lzop'],
>>      zst => ['tar', '--zstd'],
>> +    bz2 => ['tar', '--bzip2'],
>>      },
>>      vma => {
>>      gz  => ['zcat'],
>>      lzo => ['lzop', '-d', '-c'],
>>      zst => ['zstd', '-q', '-d', '-c'],
>> +    bz2 => ['bzcat', '-q'],
>>      },
>>  };
>>  
>> @@ -163,8 +165,8 @@ for my $virt (sort keys %$bkp_suffix) {
>>  
>>  # add compression formats to test failed matches
>>  my $non_bkp_suffix = {
>> -    'openvz' => [ 'zip', 'tgz.lzo', 'tar.bz2', 'zip.gz', '', ],
>> -    'lxc'    => [ 'zip', 'tgz.lzo', 'tar.bz2', 'zip.gz', '', ],
>> +    'openvz' => [ 'zip', 'tgz.lzo', 'zip.gz', '', ],
>> +    'lxc'    => [ 'zip', 'tgz.lzo', 'zip.gz', '', ],
>>      'qemu'   => [ 'vma.xz', 'vms.gz', 'vmx.zst', '', ],
>>      'none'   => [ 'tar.gz', ],
>>  };
>> diff --git a/src/test/list_volumes_test.pm b/src/test/list_volumes_test.pm
>> index d155cb9..ba959ff 100644
>> --- a/src/test/list_volumes_test.pm
>> +++ b/src/test/list_volumes_test.pm
>> @@ -189,6 +189,7 @@ my @tests = (
>>          "$storage_dir/dump/vzdump-lxc-16112-2020_03_30-21_49_30.tar.gz",
>>          "$storage_dir/dump/vzdump-lxc-16112-2020_03_30-21_49_30.tar.zst",
>>          "$storage_dir/dump/vzdump-lxc-16112-2020_03_30-21_59_30.tgz",
>> +        "$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.tar.bz2",
>>      ],
>>      expected => [
>>          {
>> @@ -237,6 +238,15 @@ my @tests = (
>>              'vmid'    => '16112',
>>              'volid'   => 
>> 'local:backup/vzdump-lxc-16112-2020_03_30-21_59_30.tgz',
>>          },
>> +        {
>> +            'content' => 'backup',
>> +            'ctime'   => 1585604370,
>> +            'format'  => 'tar.bz2',
>> +            'size'    => DEFAULT_SIZE,
>> +            'subtype' => 'openvz',
>> +            'vmid'    => '16112',
>> +            'volid'   => 
>> 'local:backup/vzdump-openvz-16112-2020_03_30-21_39_30.tar.bz2',
>> +        },
>>      ],
>>      },
>>      {
>> @@ -440,7 +450,6 @@ my @tests = (
>>          
>> "$storage_dir/template/cache/debian-10.0-standard_10.0-1_amd64.zip.gz",
>>          
>> "$storage_dir/template/cache/debian-10.0-standard_10.0-1_amd64.tar.bz2",
>>          "$storage_dir/private/subvol-19254-disk-0/19254",
>> -        "$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.tar.bz2",
>>          "$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",
>> diff --git a/src/test/parse_volname_test.pm b/src/test/parse_volname_test.pm
>> index d6ac885..5f63941 100644
>> --- a/src/test/parse_volname_test.pm
>> +++ b/src/test/parse_volname_test.pm
>> @@ -177,7 +177,7 @@ 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' ],
>> +    lxc    => [ 'tar', 'tgz', 'tar.gz', 'tar.lzo', 'tar.zst', 'tar.bz2' ],
>>      openvz => [ 'tar', 'tgz', 'tar.gz', 'tar.lzo', 'tar.zst' ],
>>  };
>>  
>> @@ -204,7 +204,7 @@ foreach my $virt (keys %$bkp_suffix) {
>>  # create more test cases for failed backup files matches
>>  my $non_bkp_suffix = {
>>      qemu   => [ 'vms.gz', 'vma.xz' ],
>> -    lxc    => [ 'tar.bz2', 'zip.gz', 'tgz.lzo' ],
>> +    lxc    => [ 'zip.gz', 'tgz.lzo' ],
>>  };
>>  foreach my $virt (keys %$non_bkp_suffix) {
>>      my $suffix = $non_bkp_suffix->{$virt};
>> diff --git a/src/test/path_to_volume_id_test.pm 
>> b/src/test/path_to_volume_id_test.pm
>> index 8149c88..0f39b03 100644
>> --- a/src/test/path_to_volume_id_test.pm
>> +++ b/src/test/path_to_volume_id_test.pm
>> @@ -116,6 +116,14 @@ my @tests = (
>>          'local:backup/vzdump-lxc-16112-2020_03_30-21_39_30.tar.zst'
>>      ],
>>      },
>> +    {
>> +    description => 'Backup, tar.bz2',
>> +    volname     => 
>> "$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.tar.bz2",
>> +    expected    => [
>> +        'backup',
>> +        'local:backup/vzdump-openvz-16112-2020_03_30-21_39_30.tar.bz2',
>> +    ],
>> +    },
>>  
>>      {
>>      description => 'ISO file',
>> @@ -201,11 +209,6 @@ my @tests = (
>>      volname     => "$storage_dir/private/subvol-19254-disk-0/",
>>      expected    => [''],
>>      },
>> -    {
>> -    description => 'Backup, wrong ending, openvz, tar.bz2',
>> -    volname     => 
>> "$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.tar.bz2",
>> -    expected    => [''],
>> -    },
>>      {
>>      description => 'Backup, wrong format, openvz, zip.gz',
>>      volname     => 
>> "$storage_dir/dump/vzdump-openvz-16112-2020_03_30-21_39_30.zip.gz",

I will add more info to the commit message and add dependencies to
d/control before sending v2.

-- 
Maximiliano


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