Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:eroca/openSUSE_Tumbleweed/home:eroca.repo
zypper refresh
zypper install etcd
Para 16.0 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:eroca/16.0/home:eroca.repo
zypper refresh
zypper install etcd
Para 15.7 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:eroca/15.7/home:eroca.repo
zypper refresh
zypper install etcd