For openSUSE Leap 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:Uyuni:Snapshots:2023.04/openSUSE_Leap_15.4/systemsmanagement:Uyuni:Snapshots:2023.04.repo
zypper refresh
zypper install salt-api
For containers run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:Uyuni:Snapshots:2023.04/containers/systemsmanagement:Uyuni:Snapshots:2023.04.repo
zypper refresh
zypper install salt-api
For charts run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:Uyuni:Snapshots:2023.04/charts/systemsmanagement:Uyuni:Snapshots:2023.04.repo
zypper refresh
zypper install salt-api