Installation fails on non-systemd Linux

There is a very popular version of Ubuntu 18.0.4 where we cannot install Mariadb, because it does not use systemd, and there is no services script provided (it goes in /etc/init.d). This version is the one shipped with Windows server. It happens that we are using this version for business very often. Installation should identify that there is no systemd and instead use a script to start and stop mariadb.