[pve-devel] [PATCH 13/31] storage : add volume_clone

[Alexandre Derumier]

Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
---
 PVE/Storage.pm |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/PVE/Storage.pm b/PVE/Storage.pm
index f8cf5ad..03eaf64 100755
--- a/PVE/Storage.pm
+++ b/PVE/Storage.pm
@@ -198,6 +198,22 @@ sub volume_has_feature {
     }
 }
 
+sub volume_clone {
+    my ($cfg, $volid, $snap, $vmid) = @_;
+
+    my ($storeid, $volname) = parse_volume_id($volid, 1);
+    if ($storeid) {
+	my $scfg = storage_config($cfg, $storeid);
+	my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+	my $volname = $plugin->volume_clone($scfg, $storeid, $volname, $snap, $vmid);
+	return "$storeid:$volname";
+    } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
+	die "cloning device is not possible";
+    } else {
+	die "can't clone";
+    }
+}
+
 sub volume_protect {
     my ($cfg, $volid, $snap, $read_only) = @_;
 
-- 
1.7.10.4