For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/isv:ownCloud:devel:createrepo/openSUSE_Tumbleweed/isv:ownCloud:devel:createrepo.repo
zypper refresh
zypper install createrepo
For openSUSE 13.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/isv:ownCloud:devel:createrepo/openSUSE_13.2/isv:ownCloud:devel:createrepo.repo
zypper refresh
zypper install createrepo
For openSUSE 13.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/isv:ownCloud:devel:createrepo/openSUSE_13.1/isv:ownCloud:devel:createrepo.repo
zypper refresh
zypper install createrepo