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export: redirect stdout to avoid any unrelated messages ending up in the export stream

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Current export implementations luckily seems to not run into this
issue yet. However, for the upcoming implementation for RBD, mapping a
volume would print the device path to STDOUT, thus messing up the
export stream.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
This commit is contained in:
Fiona Ebner
2024-12-19 11:43:06 +01:00
committed by Fabian Grünbichler
parent 7166db2ce4
commit 9adc4c69ef
1 changed files with 4 additions and 1 deletions
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5
src/PVE/CLI/pvesm.pm
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@ -315,7 +315,10 @@ __PACKAGE__->register_method ({
my $outfh;
if ($filename eq '-') {
$outfh = \*STDOUT;
# No other messages must go to STDOUT if it's used for the export stream!
open($outfh, '>&', STDOUT) or die "unable to dup() STDOUT - $!\n";
close(STDOUT);
open(STDOUT, '>', '/dev/null');
} else {
sysopen($outfh, $filename, O_CREAT|O_WRONLY|O_TRUNC)
or die "open($filename): $!\n";