Handle upgrade issues with systemd in Fedora 16 and above
Since 389-ds-base-1.2.10-0.8.a7 Directory Server's systemd settings are
configured via /etc/sysconfig/dirsrv.systemd. It means logic change in
systemd/fedora16 platform of FreeIPA.
Additionally, existing installs need to be handled during upgrade.
Fixes:
https://fedorahosted.org/freeipa/ticket/2117https://fedorahosted.org/freeipa/ticket/2300