func GetDefaultExpiration(dsecs string) (time.Duration, error) {
	timeout := env.Get(config.EnvMinioStsDuration, "")
	defaultExpiryDuration, err := time.ParseDuration(timeout)
	if err != nil {
		defaultExpiryDuration = time.Hour
	}
	if timeout == "" && dsecs != "" {
		expirySecs, err := strconv.ParseInt(dsecs, 10, 64)
		if err != nil {
			return 0, auth.ErrInvalidDuration
		}

		// The duration, in seconds, of the role session.

// https://www.awsarchitectureblog.com/2015/03/backoff.html
func exponentialBackoffWait(r *rand.Rand, unit, cap time.Duration) func(uint) time.Duration {
	if unit > time.Hour {
		// Protect against integer overflow
		panic("unit cannot exceed one hour")
	}
	return func(attempt uint) time.Duration {
		if attempt > 16 {
			// Protect against integer overflow
			attempt = 16
		}

- MinIO returns temp. S3 credentials associated to the found policy.

The returned credentials expiry after a certain period of time that can be configured via `&DurationSeconds=3600`. By default, the STS credentials are valid for 1 hour. The minimum expiration allowed is 15 minutes.

labels.searchlog_log_type_search_zeroclick=Zero Clicks
labels.searchlog_log_type_search_count_hour=Keyword by Hour
labels.searchlog_log_type_search_count_day=Keyword by Day
labels.searchlog_log_type_search_user_hour=User by Hour
labels.searchlog_log_type_search_user_day=User by Day
labels.searchlog_log_type_search_reqtimeavg_hour=Request Time Avg. by Hour
labels.searchlog_log_type_search_reqtimeavg_day=Request Time Avg. by Day

          "expr": "sum by (bucket) (rate(minio_bucket_replication_last_hour_failed_bytes{job=\"$scrape_jobs\"}[$__rate_interval]))",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "Last Hour Failed Size [{{bucket}}]",
          "refId": "A"
        }
      ],
      "title": "Last Hour Failed Size",
      "type": "timeseries"
    },
    {
      "datasource": {

		},
		// (6) Should error if the request is not ready yet, ie X-Amz-Date is in the future.
		{
			queryParams: map[string]string{
				"X-Amz-Algorithm":      signV4Algorithm,
				"X-Amz-Date":           now.Add(1 * time.Hour).Format(iso8601Format),
				"X-Amz-Expires":        "60",
				"X-Amz-Signature":      "badsignature",
				"X-Amz-SignedHeaders":  "host;x-amz-content-sha256;x-amz-date",

labels.searchlog_log_type_search_zeroclick=Null Klicks
labels.searchlog_log_type_search_count_hour=Schlüsselwörter nach Stunde
labels.searchlog_log_type_search_count_day=Schlüsselwörter nach Tag
labels.searchlog_log_type_search_user_hour=Benutzer nach Stunde
labels.searchlog_log_type_search_user_day=Benutzer nach Tag
labels.searchlog_log_type_search_reqtimeavg_hour=Anfragedauer im Schnitt nach Stunde

		}
	}
}

func TestWriterTime(t *testing.T) {
	var buf bytes.Buffer
	h := &FileHeader{
		Name:     "test.txt",
		Modified: time.Date(2017, 10, 31, 21, 11, 57, 0, timeZone(-7*time.Hour)),
	}
	w := NewWriter(&buf)
	if _, err := w.CreateHeader(h); err != nil {
		t.Fatalf("unexpected CreateHeader error: %v", err)
	}
	if err := w.Close(); err != nil {
		t.Fatalf("unexpected Close error: %v", err)

          "exemplar": true,
          "expr": "sum by (endpoint,server) (minio_cluster_replication_last_hour_failed_bytes{job=\"$scrape_jobs\"})",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{endpoint}},{{server}}",
          "refId": "A"
        }
      ],
      "title": "Last Hour Failed Data",
      "type": "timeseries"
    },
    {
      "datasource": {

labels.searchlog_log_type_search_zeroclick	=	Zéro clic
labels.searchlog_log_type_search_count_hour	=	Mot-clé par heure
labels.searchlog_log_type_search_count_day	=	Mot-clé par jour
labels.searchlog_log_type_search_user_hour	=	Utilisateur par heure
labels.searchlog_log_type_search_user_day	=	Utilisateur par jour
labels.searchlog_log_type_search_reqtimeavg_hour	=	Moy. par heure
labels.searchlog_log_type_search_reqtimeavg_day	=	Moy. de jour