# File lib/fog/openstack.rb, line 159
    def self.get_service(body, service_type=[], service_name=nil)
      body['access']['serviceCatalog'].detect do |s|
        if service_name.nil? or service_name.empty?
          service_type.include?(s['type'])
        else
          service_type.include?(s['type']) and s['name'] == service_name
        end
      end
    end