# File lib/fog/network/openstack/requests/update_security_group.rb, line 22
        def update_security_group(security_group_id, options = {})
          response = Excon::Response.new
          security_group = list_security_groups.body['security_groups'].find do |sg|
            sg['id'] == security_group_id
          end

          if security_group
            security_group['name']        = options[:name]
            security_group['description'] = options[:description]
            response.body = {'security_group' => security_group}
            response.status = 200
            response
          else
            raise Fog::Network::OpenStack::NotFound
          end
        end