- Updated vmware/govmomi godep (Needs for vsan support)

- Fix unmount for vsanDatastore
- Add support for vsan datastore

vendor/github.com/vmware/govmomi/object/virtual_disk_manager.go

@@ -143,3 +143,27 @@ func (m VirtualDiskManager) DeleteVirtualDisk(ctx context.Context, name string,
 
 	return NewTask(m.c, res.Returnval), nil
 }
+
+// Queries virtual disk uuid
+func (m VirtualDiskManager) QueryVirtualDiskUuid(ctx context.Context, name string, dc *Datacenter) (string, error) {
+	req := types.QueryVirtualDiskUuid{
+		This: m.Reference(),
+		Name: name,
+	}
+
+	if dc != nil {
+		ref := dc.Reference()
+		req.Datacenter = &ref
+	}
+
+	res, err := methods.QueryVirtualDiskUuid(ctx, m.c, &req)
+	if err != nil {
+		return "", err
+	}
+
+	if res == nil {
+		return "", nil
+	}
+
+	return res.Returnval, nil
+}