Issue

• When running an oo-diagnostics we saw the following error get thrown from oo-admin-yum-validator as a warning:

# oo-diagnostics
WARN: test_broker_certificate
Using a self-signed certificate for the broker
WARN: test_yum_configuration
        oo-admin-yum-validator reported some possible problems
        with your package source configuration:
--------------------------------------------------------------
      No roles have been specified. Attempting to guess the roles for this system...
Traceback (most recent call last):
  File "/usr/bin/oo-admin-yum-validator", line 917, in <module>
    validate_yum()
  File "/usr/bin/oo-admin-yum-validator", line 914, in validate_yum
    sys.exit(yum_vdtr.main())
  File "/usr/bin/oo-admin-yum-validator", line 817, in main
    self.run_checks()
  File "/usr/bin/oo-admin-yum-validator", line 754, in run_checks
    self.massage_roles()
  File "/usr/bin/oo-admin-yum-validator", line 730, in massage_roles
    self.guess_role()
  File "/usr/bin/oo-admin-yum-validator", line 678, in guess_role
    if not self.opts.product or repo.product == ose:
NameError: global name 'ose' is not defined

--------------------------------------------------------------
        Incorrect package source configuration could lead to
        failure to install the correct RPMs.

2 WARNINGS
NO ERRORS