For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jaleshaw/openSUSE_Tumbleweed/home:jaleshaw.repo
zypper refresh
zypper install opengauss
For 15.7 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jaleshaw/15.7/home:jaleshaw.repo
zypper refresh
zypper install opengauss
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jaleshaw/15.6/home:jaleshaw.repo
zypper refresh
zypper install opengauss