Add overcloud public IP to the certificate
Add overcloud public IP to the certificate

There are cases where we need to add the overcloud public IP
as a SAN to the overcloud certificate (e.g. OpenShift on Openstack)

Change-Id: I07eb032d60d5229f8515f24079f6bb50baeefb3f

redhat-openstack/infrared,redhat-openstack/infrared,redhat-openstack/infrared