$class->zfs_request($scfg, undef, 'destroy', "$scfg->{pool}/$volname\@$snap");
}
+sub volume_snapshot_rollback {
+ my ($class, $scfg, $storeid, $volname, $snap) = @_;
+
+ # abort rollback if snapshot is not the latest
+ my @params = ('-t', 'snapshot', '-o', 'name', '-s', 'creation');
+ my $text = zfs_request($class, $scfg, undef,'list', @params);
+ my @snapshots = split(/\n/, $text);
+ my $recentsnap = undef;
+ foreach (@snapshots) {
+ if (/$scfg->{pool}\/$volname/) {
+ s/^.*@//;
+ $recentsnap = $_;
+ }
+ }
+ if ($snap ne $recentsnap) {
+ die "cannot rollback, more recent snapshots exist\n";
+ }
+
+ zfs_request($class, $scfg, undef, 'rollback', "$scfg->{pool}/$volname\@$snap");
+
+}
+
sub activate_volume {
my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
return 1;
return 1;
}
+sub volume_has_feature {
+ my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
+
+ my $features = {
+ snapshot => { current => 1, snap => 1},
+ clone => { base => 1},
+ template => { current => 1},
+ copy => { base => 1, current => 1},
+ };
+
+ my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
+ $class->parse_volname($volname);
+
+ my $key = undef;
+
+ if ($snapname) {
+ $key = 'snap';
+ } else {
+ $key = $isBase ? 'base' : 'current';
+ }
+
+ return 1 if $features->{$feature}->{$key};
+
+ return undef;
+}
+
1;
# abort rollback if snapshot is not the latest
my @params = ('-t', 'snapshot', '-o', 'name', '-s', 'creation');
- my $text = $class->zfs_request($scfg, undef, 'list', @params);
+ my $text = $class->zfs_request($class, $scfg, undef, 'list', @params);
my @snapshots = split(/\n/, $text);
my $recentsnap = undef;
foreach (@snapshots) {
$class->zfs_delete_lu($scfg, $volname);
- $class->zfs_request($scfg, undef, 'rollback', "$scfg->{pool}/$volname\@$snap");
+ $class->zfs_request($class, $scfg, undef, 'rollback', "$scfg->{pool}/$volname\@$snap");
$class->zfs_import_lu($scfg, $volname);