For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:bmwiedemann:branches:devel:tools:building/openSUSE_Factory/home:bmwiedemann:branches:devel:tools:building.repo
zypper refresh
zypper install jenkins-swarm-client
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:bmwiedemann:branches:devel:tools:building/16.0/home:bmwiedemann:branches:devel:tools:building.repo
zypper refresh
zypper install jenkins-swarm-client
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:bmwiedemann:branches:devel:tools:building/15.6/home:bmwiedemann:branches:devel:tools:building.repo
zypper refresh
zypper install jenkins-swarm-client