Description:     "publish bucket notifications to webhook endpoints",
			MultipleTargets: true,
		},
		config.HelpKV{
			Key:             config.NotifyAMQPSubSys,
			Description:     "publish bucket notifications to AMQP endpoints",
			MultipleTargets: true,
		},
		config.HelpKV{
			Key:             config.NotifyKafkaSubSys,
			Description:     "publish bucket notifications to Kafka endpoints",
			MultipleTargets: true,

	}:
	case <-list.ctx.Done():
		list.eventsSkipped.Add(int64(len(list.queue)))
		return
	default:
		list.eventsSkipped.Add(1)
		err := fmt.Errorf("concurrent target notifications exceeded %d, configured notification target is too slow to accept events for the incoming request rate", maxConcurrentAsyncSend)
		for id := range targetIDset {
			reqInfo := &logger.ReqInfo{}
			reqInfo.AppendTags("targetID", id.String())

	switch cfg.Name {
	case storageclass.STANDARD, storageclass.RRS:
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errTierReservedName), r.URL)
		return
	}

	// Refresh from the disk in case we had missed notifications about edits from peers.
	if err := globalTierConfigMgr.Reload(ctx, objAPI); err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

			Description: "comma separated list of Kafka broker addresses",
			Type:        "csv",
		},
		config.HelpKV{
			Key:         KafkaTopic,
			Description: "Kafka topic used for bucket notifications",
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         KafkaSASLUsername,
			Description: "username for SASL/PLAIN or SASL/SCRAM authentication",
			Optional:    true,

			Optional:    true,
			Type:        "boolean",
		},
		config.HelpKV{
			Key:         apiSyncEvents,
			Description: "set to enable synchronous bucket notifications" + defaultHelpPostfix(apiSyncEvents),
			Optional:    true,
			Type:        "boolean",
		},
		config.HelpKV{
			Key:         apiObjectMaxVersions,

	"github.com/minio/minio/internal/bucket/bandwidth"
	"github.com/minio/minio/internal/logger"
)

// This file contains peer related notifications. For sending notifications to
// external systems, see event-notification.go

// NotificationSys - notification system.
type NotificationSys struct {
	peerClients    []*peerRESTClient // Excludes self
	allPeerClients []*peerRESTClient // Includes nil client for self
}

		Description:    "The transition storage class was not found",
		HTTPStatusCode: http.StatusNotFound,
	},

	// Bucket notification related errors.
	ErrEventNotification: {
		Code:           "InvalidArgument",
		Description:    "A specified event is not supported for notifications.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrARNNotification: {
		Code:           "InvalidArgument",

// memberships cache. If the specified group does not exist in
// storage, it is removed from in-memory maps as well - this
// simplifies the implementation for group removal. This is called
// only via IAM notifications.
func (sys *IAMSys) LoadGroup(ctx context.Context, objAPI ObjectLayer, group string) error {
	if !sys.Initialized() {
		return errServerNotInitialized
	}

	return sys.store.GroupNotificationHandler(ctx, group)

//     kmskey: "key-id" # match objects with KMS key-id (applicable only for sse-kms)
//   notify:
//     endpoint: "https://notify.endpoint" # notification endpoint to receive job status events
//     token: "Bearer xxxxx" # optional authentication token for the notification endpoint

//   retry:
//     attempts: 10 # number of retries for the job before giving up
//     delay: "500ms" # least amount of delay between each retry

	c.Assert(err, nil)

	// execute the request.
	response, err = s.client.Do(req)
	c.Assert(err, nil)
	verifyError(c, response, "InvalidArgument", "A specified event is not supported for notifications.", http.StatusBadRequest)

	req, err = newTestSignedRequest(http.MethodGet,
		getListenNotificationURL(s.endPoint, bucketName, []string{tooBigPrefix}, []string{}, validEvents),
		0, nil, s.accessKey, s.secretKey, s.signer)