[pve-devel] [PATCH pve-storage 1/2] fix #4849: download-url: allow download and decompression of compressed ISOs
Philipp Hufnagl
p.hufnagl at proxmox.com
Tue Jul 25 16:37:18 CEST 2023
Signed-off-by: Philipp Hufnagl <p.hufnagl at proxmox.com>
---
src/PVE/API2/Storage/Status.pm | 20 ++++++++++++++++++--
src/PVE/Storage.pm | 22 ++++++++++++++++++++++
2 files changed, 40 insertions(+), 2 deletions(-)
diff --git a/src/PVE/API2/Storage/Status.pm b/src/PVE/API2/Storage/Status.pm
index e4ce698..9ac4660 100644
--- a/src/PVE/API2/Storage/Status.pm
+++ b/src/PVE/API2/Storage/Status.pm
@@ -578,6 +578,11 @@ __PACKAGE__->register_method({
requires => 'checksum-algorithm',
optional => 1,
},
+ compression => {
+ description => "The compression algorithm used to compress",
+ type => 'string',
+ optional => 1,
+ },
'checksum-algorithm' => {
description => "The algorithm to calculate the checksum of the file.",
type => 'string',
@@ -642,14 +647,25 @@ __PACKAGE__->register_method({
http_proxy => $dccfg->{http_proxy},
};
- my ($checksum, $checksum_algorithm) = $param->@{'checksum', 'checksum-algorithm'};
+ my ($checksum, $checksum_algorithm, $compression) = $param->@{'checksum', 'checksum-algorithm', 'compression'};
if ($checksum) {
$opts->{"${checksum_algorithm}sum"} = $checksum;
$opts->{hash_required} = 1;
}
my $worker = sub {
- PVE::Tools::download_file_from_url("$path/$filename", $url, $opts);
+ my $save_to = "$path/$filename";
+ die "refusing to override existing file $save_to \n" if -e $save_to ;
+ $save_to .= ".$compression" if $compression;
+ PVE::Tools::download_file_from_url($save_to, $url, $opts);
+ if($compression)
+ {
+ my $decrypton_error = PVE::Storage::decompress_iso($compression, $save_to);
+ print $decrypton_error if $decrypton_error;
+ unlink $save_to;
+
+
+ }
};
my $worker_id = PVE::Tools::encode_text($filename); # must not pass : or the like as w-ID
diff --git a/src/PVE/Storage.pm b/src/PVE/Storage.pm
index b99ed35..0c62cc8 100755
--- a/src/PVE/Storage.pm
+++ b/src/PVE/Storage.pm
@@ -1532,6 +1532,11 @@ sub decompressor_info {
lzo => ['lzop', '-d', '-c'],
zst => ['zstd', '-q', '-d', '-c'],
},
+ iso => {
+ gz => ['zstd', '-q', '-d'],
+ zst => ['zstd', '-q', '-d'],
+ lzo => ['lzop', '-q', '-d'],
+ },
};
die "ERROR: archive format not defined\n"
@@ -1611,6 +1616,23 @@ sub archive_auxiliaries_remove {
}
}
+sub decompress_iso
+{
+ my ($compression, $file) = @_;
+
+ my $raw = '';
+ my $out = sub {
+ my $output = shift;
+ $raw .= "$output\n";
+ };
+
+ my $info = decompressor_info('iso', $compression);
+ my $decompressor = $info->{decompressor};
+
+ run_command([@$decompressor, $file], outfunc => $out);
+ return wantarray ? ($raw, undef) : $raw;
+}
+
sub extract_vzdump_config_tar {
my ($archive, $conf_re) = @_;
--
2.39.2
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