CloudForms database backups to CIFS Share

Issue

• Domain name passed as domain='null' when the domain name is required as part of the username in order to mount the share.

[----] E, [2017-01-31T16:07:50.306817 #9696:c04ce8] ERROR -- : MIQ(MiqSmbSession-verify) Verify [] failed with error [RuntimeError] [mount error(13): Permission denied
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
], [/var/www/miq/vmdb/gems/pending/util/mount/miq_generic_mount_session.rb:40:in `runcmd']