func getBucketVersioningConfigURL(endPoint, bucketName string) string {
	vals := make(url.Values)
	vals.Set("versioning", "")
	return makeTestTargetURL(endPoint, bucketName, "", vals)
}

// return URL for listing buckets.
func getListBucketURL(endPoint string) string {
	return makeTestTargetURL(endPoint, "", "", url.Values{})
}

// return URL for HEAD on the bucket.
func getHEADBucketURL(endPoint, bucketName string) string {

		Client:      s.TestSuiteCommon.client,
		STSEndpoint: s.endPoint,
		Options: cr.STSAssumeRoleOptions{
			AccessKey: accessKey,
			SecretKey: secretKey,
			Location:  "",
		},
	}

	value, err := assumeRole.Retrieve()
	if err != nil {
		c.Fatalf("err calling assumeRole: %v", err)
	}

	minioClient, err := minio.New(s.endpoint, &minio.Options{

			return err
		}
	}
	if r.Target.Endpoint == "" && !r.Target.Creds.Empty() {
		return errInvalidArgument
	}

	if r.Source.Endpoint == "" && !r.Source.Creds.Empty() {
		return errInvalidArgument
	}

	if r.Source.Endpoint != "" && !r.Source.Type.isMinio() && !r.Source.ValidPath() {
		return errInvalidArgument
	}

	if r.Target.Endpoint != "" && !r.Target.Type.isMinio() && !r.Target.ValidPath() {

            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "sum by (endpoint,server) (minio_cluster_replication_sent_bytes{job=\"$scrape_jobs\"})",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{endpoint}},{{server}}",
          "refId": "A"
        }
      ],
      "title": "Sent Data",
      "type": "timeseries"
    },

            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "sum by (server, endpoint) (minio_cluster_replication_average_link_latency_ms{job=\"$scrape_jobs\"})",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{server,endpoint}}",
          "refId": "A"
        }
      ],
      "title": "Avg. Link Latency (millis)",
      "type": "timeseries"

}

// Implements stringer compatible interface.
func (s *xlStorage) String() string {
	return s.drivePath
}

func (s *xlStorage) Hostname() string {
	return s.endpoint.Host
}

func (s *xlStorage) Endpoint() Endpoint {
	return s.endpoint
}

func (*xlStorage) Close() error {
	return nil
}

func (s *xlStorage) IsOnline() bool {
	return true
}

            type: string
          kind:
            description: 'Kind is a string value representing the REST resource this
              object represents. Servers may infer this from the endpoint the client
              submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
            type: string
          metadata:

            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "sum by (server, endpoint) (minio_cluster_replication_average_link_latency_ms{job=\"$scrape_jobs\"})",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{server,endpoint}}",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeRegions": [],

            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "sum by (server, endpoint) (minio_cluster_replication_average_link_latency_ms{job=\"$scrape_jobs\"})",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{server,endpoint}}",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeRegions": [],

		Description:    "Error parsing the Credential/X-Amz-Credential parameter; incorrect service. This endpoint belongs to \"s3\".",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidServiceSTS: {
		Code:           "AuthorizationParametersError",
		Description:    "Error parsing the Credential parameter; incorrect service. This endpoint belongs to \"sts\".",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidRequestVersion: {