Fixes FC045: Consider setting cookbook name in metadata

Signed-off-by: Jacques Marneweck <jacques@powertrip.co.za>
Fixes FC002: Avoid string interpolation where not required

Signed-off-by: Jacques Marneweck <jacques@powertrip.co.za>
Fixes FC019: Access node attributes in a consistent manner

Signed-off-by: Jacques Marneweck <jacques@powertrip.co.za>