--- /etc/sudoers.d/opennebula.orig	2016-10-13 16:59:57.713042459 +0200
+++ /etc/sudoers.d/opennebula	2016-10-13 17:00:36.138971220 +0200
@@ -8,5 +8,6 @@
 Cmnd_Alias ONE_OVS = /usr/bin/ovs-ofctl, /usr/bin/ovs-vsctl
 Cmnd_Alias ONE_XEN = /usr/sbin/xentop, /usr/sbin/xl, /usr/sbin/xm
 Cmnd_Alias ONE_CEPH = /usr/bin/rbd
+Cmnd_Alias ONE_MKSWAP = /usr/sbin/mkswap
 
-oneadmin ALL=(ALL) NOPASSWD: ONE_MISC, ONE_NET, ONE_LVM, ONE_ISCSI, ONE_OVS, ONE_XEN, ONE_CEPH
+oneadmin ALL=(ALL) NOPASSWD: ONE_MISC, ONE_NET, ONE_LVM, ONE_ISCSI, ONE_OVS, ONE_XEN, ONE_CEPH, ONE_MKSWAP