    # File lib/fog/aws/requests/rds/reboot_db_instance.rb, line 27
            def reboot_db_instance(instance_identifier)
              response = Excon::Response.new
              if server = self.data[:servers][instance_identifier]
                if server["DBInstanceStatus"] != "available"
                  raise Fog::AWS::RDS::NotFound.new("DBInstance #{instance_identifier} not available for rebooting")
                else
                  server["DBInstanceStatus"] = 'rebooting'
                  self.data[:reboot_time] = Time.now
                  response.status = 200
                  response.body = {
                    "ResponseMetadata"=>{ "RequestId"=> Fog::AWS::Mock.request_id },
                    "RebootDBInstanceResult" => { "DBInstance" => server }
                  }
                  response

                end
              else
                raise Fog::AWS::RDS::NotFound.new("DBInstance #{instance_identifier} not found")
              end
            end