For openSUSE Leap 42.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Cloud:OpenStack:Rocky:Staging/openSUSE_Leap_42.3/Cloud:OpenStack:Rocky:Staging.repo
zypper refresh
zypper install openstack-dashboard
For openSUSE Leap 15.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Cloud:OpenStack:Rocky:Staging/openSUSE_Leap_15.1/Cloud:OpenStack:Rocky:Staging.repo
zypper refresh
zypper install openstack-dashboard
For openSUSE Leap 15.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Cloud:OpenStack:Rocky:Staging/openSUSE_Leap_15.0/Cloud:OpenStack:Rocky:Staging.repo
zypper refresh
zypper install openstack-dashboard