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config: implement method to calculate derived properties from a config

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See the corresponding commit in guest-common for more information.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Fiona Ebner 2023-02-28 11:54:09 +01:00 committed by Thomas Lamprecht
parent 502870a04c
commit 3dd16f4a6c
1 changed files with 16 additions and 0 deletions
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16
PVE/QemuConfig.pm
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@ -540,6 +540,22 @@ sub load_current_config {
return $conf;
}
sub get_derived_property {
my ($class, $conf, $name) = @_;
my $defaults = PVE::QemuServer::load_defaults();
if ($name eq 'max-cpu') {
my $cpus =
($conf->{sockets} || $defaults->{sockets}) * ($conf->{cores} || $defaults->{cores});
return $conf->{vcpus} || $cpus;
} elsif ($name eq 'max-memory') {
return ($conf->{memory} || $defaults->{memory}) * 1024 * 1024;
} else {
die "unknown derived property - $name\n";
}
}
# END implemented abstract methods from PVE::AbstractConfig
sub has_cloudinit {