openstack-keystone from Cloud:OpenStack:Upstream:Ussuri project
Select Your Operating System
Add repository and install manually
For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Cloud:OpenStack:Upstream:Ussuri/standard/Cloud:OpenStack:Upstream:Ussuri.repo zypper refresh zypper install openstack-keystone