Add AdminPass attribute

Change-Id: I07ba9fa7e15069f9367656ee3462fcdd0d045fac
Add attributes_schema

Change-Id: I414bdc3f08224ca048853828f90b00603b4deb84
Working on test_flavors

Change-Id: Iefb0548d13143539c47cb4e0514c19f231f4eded