next if $k eq 'lock';
next if $k eq 'digest';
next if $k eq 'description';
+ next if $k =~ m/^unused\d+$/;
$dest->{$k} = $source->{$k};
}
};
+my $snapshot_apply_config = sub {
+ my ($conf, $snap) = @_;
+
+ # copy snapshot list
+ my $newconf = {
+ snapshots => $conf->{snapshots},
+ };
+
+ # keep description and list of unused disks
+ foreach my $k (keys %$conf) {
+ next if !($k =~ m/^unused\d+$/ || $k eq 'description');
+ $newconf->{$k} = $conf->{$k};
+ }
+
+ &$snapshot_copy_config($snap, $newconf);
+
+ return $newconf;
+};
+
+my $snapshot_save_vmstate = sub {
+ die "implement me - snapshot_save_vmstate\n";
+};
+
sub snapshot_prepare {
my ($vmid, $snapname, $save_vmstate, $comment) = @_;
if defined($conf->{snapshots}->{$snapname});
my $storecfg = PVE::Storage::config();
+
+ # workaround until mp snapshots are implemented
my $feature = $snapname eq 'vzdump' ? 'vzdump' : 'snapshot';
die "snapshot feature is not available\n" if !has_feature($feature, $conf, $storecfg);
$snap = $conf->{snapshots}->{$snapname} = {};
+ if ($save_vmstate && check_running($vmid)) {
+ &$snapshot_save_vmstate($vmid, $conf, $snapname, $storecfg);
+ }
+
&$snapshot_copy_config($conf, $snap);
- $snap->{'snapstate'} = "prepare";
- $snap->{'snaptime'} = time();
- $snap->{'description'} = $comment if $comment;
- $conf->{snapshots}->{$snapname} = $snap;
+ $snap->{snapstate} = "prepare";
+ $snap->{snaptime} = time();
+ $snap->{description} = $comment if $comment;
write_config($vmid, $conf);
};
die "missing snapshot lock\n"
if !($conf->{lock} && $conf->{lock} eq 'snapshot');
- die "snapshot '$snapname' does not exist\n"
- if !defined($conf->{snapshots}->{$snapname});
+ my $snap = $conf->{snapshots}->{$snapname};
+ die "snapshot '$snapname' does not exist\n" if !defined($snap);
die "wrong snapshot state\n"
- if !($conf->{snapshots}->{$snapname}->{'snapstate'} &&
- $conf->{snapshots}->{$snapname}->{'snapstate'} eq "prepare");
+ if !($snap->{snapstate} && $snap->{snapstate} eq "prepare");
- delete $conf->{snapshots}->{$snapname}->{'snapstate'};
+ delete $snap->{snapstate};
delete $conf->{lock};
- $conf->{parent} = $snapname;
- write_config($vmid, $conf);
+ my $newconf = &$snapshot_apply_config($conf, $snap);
+
+ $newconf->{parent} = $snapname;
+
+ write_config($vmid, $newconf);
};
lock_config($vmid, $updatefn);