If /etc/hosts is not properly configured for localhost, then mysql will
fail with the following error:
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: Creating MySQL privilege database...
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: Neither host 'vagrant-openSUSE-Leap' nor 'localhost' could be looked up with
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: '/usr/bin/resolveip'
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: Please configure the 'hostname' command to return a correct
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: hostname.
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: If you want to solve this at a later stage, restart this script
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: with the --force option
Aug 31 16:06:43 vagrant-openSUSE-Leap systemd[1]: mysql.service: Control process exited, code=exited status=1
Aug 31 16:06:43 vagrant-openSUSE-Leap systemd[1]: Failed to start MySQL server.
As such, we need to ensure that /etc/hosts is configured before starting
the mysql service.
Change-Id: I5f1151ab86b6190cf2310bd7fade5290d88abc1e