bucketCollector = newMinioBucketCollector(bucketMetricsGroups)
}

// MetricNamespace is top level grouping of metrics to create the metric name.
type MetricNamespace string

// MetricSubsystem is the sub grouping for metrics within a namespace.
type MetricSubsystem string

const (
	bucketMetricNamespace    MetricNamespace = "minio_bucket"
	clusterMetricNamespace   MetricNamespace = "minio_cluster"

	c.Assert(err, nil)

	// Check if bucket modtime is consistent (not less than current time and not late more than 5 minutes)
	timeNow := time.Now().UTC()
	c.Assert(creationTime.Before(timeNow), true)
	c.Assert(timeNow.Sub(creationTime) < time.Minute*5, true)
}

// This tests validate if PUT handler can successfully detect signature mismatch.
func (s *TestSuiteCommon) TestValidateSignature(c *check) {
	// generate a random bucket name.

					Host:           nerr.Host.String(),
					CurrentVersion: Version,
					UpdatedVersion: lrTime.Format(MinioReleaseTagTimeLayout),
				}
			}
		}
	}

	if lrTime.Sub(currentReleaseTime) > 0 {
		if err = verifyBinary(u, sha256Sum, releaseInfo, mode, bytes.NewReader(bin)); err != nil {
			peerResults[local] = madmin.ServerPeerUpdateStatus{
				Host:           local,

	reqV4Str := "V4 Signed HTTP request"

	type inputReqRec struct {
		req     *http.Request
		rec     *httptest.ResponseRecorder
		reqType string
	}

	for i, test := range testCases {
		// Using sub-tests introduced in Go 1.7.
		t.Run(fmt.Sprintf("MinIO-%s-Test-%d.", instanceType, i), func(t *testing.T) {
			// collection of input HTTP request, ResponseRecorder and request type.