Ensure that resolved.conf.d is accessible
systemd-resolved runs as user systemd-resolve. Ensure that
resolved.conf.d drop-in directory is accessible when installer runs with
restricted umask. Also ensure the file and directory has correct SELinux
context.
The parent directory /etc/systemd exists on all platforms.
Fixes: https://pagure.io/freeipa/issue/8275
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>