spacewalk-koan from systemsmanagement:Uyuni:Snapshots:4.0.1 project
Select Your Operating System
Add repository and install manually
For openSUSE Leap 42.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:Uyuni:Snapshots:4.0.1/openSUSE_Leap_42.3/systemsmanagement:Uyuni:Snapshots:4.0.1.repo zypper refresh zypper install spacewalk-koan