Nova external-ceph.yml writes keyname into libvirt.base64
Nova external-ceph.yml writes keyname into libvirt.base64

Closes-Bug: #1671862
Change-Id: I6b77773238cd65a3cc009d8d9a38bdbea0035212
dardelean/kolla-ansible,dardelean/kolla-ansible,dardelean/kolla-ansible