upgrade:
  - |
    Remove deprecated config option ``admin_username`` from
    ``identity`` groups. Use ``admin_username`` from ``auth`` instead.
    Remove deprecated config option ``admin_tenant_name`` from
    ``auth`` and ``identity`` groups. Use ``admin_project_name`` from
    ``auth`` instead.
    Remove deprecated config option ``admin_password`` from
    ``identity`` groups. Use ``admin_password`` from ``auth`` instead.
    Remove deprecated config option ``admin_domain_name`` from
    ``identity`` groups. Use ``admin_domain_name`` from ``auth`` instead.