We cache the hash of this file, it makes sense to first check if the
file changed via `stat` and recompute the hash if needed.
Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
}
my $hwaddress;
+my $hwaddress_st = {};
sub get_hwaddress {
+ my $fn = '/etc/ssh/ssh_host_rsa_key.pub';
+ my $st = stat($fn);
- return $hwaddress if defined ($hwaddress);
+ if (defined($hwaddress)
+ && $hwaddress_st->{mtime} == $st->mtime
+ && $hwaddress_st->{ino} == $st->ino
+ && $hwaddress_st->{dev} == $st->dev) {
+ return $hwaddress;
+ }
- my $fn = '/etc/ssh/ssh_host_rsa_key.pub';
my $sshkey = PVE::Tools::file_get_contents($fn);
$hwaddress = uc(Digest::MD5::md5_hex($sshkey));
+ $hwaddress_st->@{'mtime', 'ino', 'dev'} = ($st->mtime, $st->ino, $st->dev);
return $hwaddress;
}