# File lib/blimpy/boxes/openstack.rb, line 67
    def validate!
      if @region.nil?
        raise Blimpy::BoxValidationError, "Cannot spin up machine without a set region"
      end

      if flavor_id(@flavor).nil?
        raise Blimpy::BoxValidationError, "'#{@flavor}' is not a valid OpenStack tenant name"
      end
    end