For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NovA80/openSUSE_Tumbleweed/home:NovA80.repo
zypper refresh
zypper install glusterfs
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NovA80/15.6/home:NovA80.repo
zypper refresh
zypper install glusterfs
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NovA80/15.5/home:NovA80.repo
zypper refresh
zypper install glusterfs
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NovA80/15.4/home:NovA80.repo
zypper refresh
zypper install glusterfs