For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ecsos:monitoring:centreon-test/openSUSE_Tumbleweed/home:ecsos:monitoring:centreon-test.repo
zypper refresh
zypper install mariadb-connector-c
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ecsos:monitoring:centreon-test/16.0/home:ecsos:monitoring:centreon-test.repo
zypper refresh
zypper install mariadb-connector-c
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ecsos:monitoring:centreon-test/15.6/home:ecsos:monitoring:centreon-test.repo
zypper refresh
zypper install mariadb-connector-c