Role attributes

Attributes are used to assign roles:

• scope — defines access boundaries: account or project;
• role_name — role within the chosen scope.

The name of the role in the role model	scope	role_name
Account administrator	account	member
Billing administrator	account	billing
User Administrator	account	iam_admin
Project Administrator	project	member
Account Supervisor	account	reader
Project Observer	project	reader
Object Storage Administrator	project	object_storage_admin
Object storage user	project	object_storage_user