v2:
- use redhat_services.redhat_system_units.copy
- don't use wildcard imports
- add some empty lines to make pep8 happy
v3:
- make parse_ipa_version static
v4:
- make more methods static
v5:
- fix pylint issues
- use syntax that doesn't break with python3
v6:
- remove IPA_GETKEYTAB from paths, it's the same across distros
Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>