Jonathan Rosser a39665eef1 Do not use 'null' when trying to locate vars files ...

This generates warnings in the ansible log

Change-Id: I66e6f2dc83938f05b6913a6500b292416b592793

2019-05-12 17:09:00 +00:00

..

main.yml

Do not use 'null' when trying to locate vars files

2019-05-12 17:09:00 +00:00