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fix #4849: download-url: allow download and decompression of compressed ISOs

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adds information for how to decompress isos.

generates the compressor regex from a list of comression formats (to
avoid redundancy)
extends the download_url wtih the functionality to handley compression
for images

Signed-off-by: Philipp Hufnagl <p.hufnagl@proxmox.com>
This commit is contained in:
Philipp Hufnagl
2023-08-14 16:42:17 +02:00
committed by Wolfgang Bumiller
parent 57ec06621b
commit 2197ff97dc
3 changed files with 21 additions and 2 deletions
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14
src/PVE/API2/Storage/Status.pm
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@ -578,6 +578,12 @@ __PACKAGE__->register_method({
requires => 'checksum-algorithm',
optional => 1,
},
compression => {
description => "Decompress the downloaded file using specified compression algorithm",
type => 'string',
enum => $PVE::Storage::Plugin::KNOWN_COMPRESSION_FORMATS,
optional => 1,
},
'checksum-algorithm' => {
description => "The algorithm to calculate the checksum of the file.",
type => 'string',
@ -604,7 +610,7 @@ __PACKAGE__->register_method({
my $cfg = PVE::Storage::config();
my ($node, $storage) = $param->@{'node', 'storage'};
my ($node, $storage, $compression) = $param->@{'node', 'storage','compression'};
my $scfg = PVE::Storage::storage_check_enabled($cfg, $storage, $node);
die "can't upload to storage type '$scfg->{type}', not a file based storage!\n"
@ -649,6 +655,12 @@ __PACKAGE__->register_method({
}
my $worker = sub {
if ($compression) {
die "decompression not supported for $content\n" if $content ne 'iso';
my $info = PVE::Storage::decompressor_info('iso', $compression);
die "no decompression method found\n" if (! $info->{decompressor});
$opts->{decompression_command} = $info->{decompressor};
}
PVE::Tools::download_file_from_url("$path/$filename", $url, $opts);
};