ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testListBucketsHandler, endpoints: []string{"ListBuckets"}})
}

// testListBucketsHandler - Tests validate listing of buckets.
func testListBucketsHandler(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
	credentials auth.Credentials, t *testing.T,
) {
	testCases := []struct {
		bucketName         string

          "instant": false,
          "interval": "1m",
          "intervalFactor": 1,
          "legendFormat": "",
          "refId": "A"
        }
      ],
      "title": "Number of Buckets",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {

| `minio_cluster_usage_total_bytes`            | Total cluster usage in bytes                                   |
| `minio_cluster_bucket_total`                 | Total number of buckets in the cluster                         |

## Cluster Drive Metrics

| Name                                | Description                           |

	resolver := metadataResolutionParams{
		dirQuorum: listingQuorum,
		objQuorum: listingQuorum,
		bucket:    o.Bucket,
	}

	// Maximum versions requested for "latest" object
	// resolution on versioned buckets, this is to be only
	// used when o.Versioned is false
	if !o.Versioned {
		resolver.requestedVersions = 1
	}
	var limit int
	if o.Limit > 0 && o.StopDiskAtLimit {

// Returns always a same erasure coded set for a given input.
func (s *erasureSets) getHashedSet(input string) (set *erasureObjects) {
	return s.sets[s.getHashedSetIndex(input)]
}

// listDeletedBuckets lists deleted buckets from all disks.
func listDeletedBuckets(ctx context.Context, storageDisks []StorageAPI, delBuckets map[string]VolInfo, readQuorum int) error {
	g := errgroup.WithNErrs(len(storageDisks))
	var mu sync.Mutex

// and also that small branches with few objects don't take up unreasonable amounts of space.
// This keeps the cache size at a reasonable size for all buckets.
//
// Whenever a branch is scanned, it is assumed that it will be un-compacted
// before it hits any of the above limits.
// This will make the branch rebalance itself when scanned if the distribution of objects has changed.

// a hyphen. See:
// http://docs.aws.amazon.com/AmazonS3/latest/dev/BucketRestrictions.html
func IsValidBucketName(bucket string) bool {
	// Special case when bucket is equal to one of the meta buckets.
	if isMinioMetaBucketName(bucket) {
		return true
	}
	if len(bucket) < 3 || len(bucket) > 63 {
		return false
	}

	// Split on dot and check each piece conforms to rules.
	allNumbers := true

		minioMetaMultipartBucket,  // creates .minio.sys/multipart
		dataUsageBucket,           // creates .minio.sys/buckets
		minioConfigBucket,         // creates .minio.sys/config
	}
	// Attempt to create MinIO internal buckets.
	return disk.MakeVolBulk(context.TODO(), volumes...)
}

// Initialize a new storage disk.

	rcfg, _ := globalBucketObjectLockSys.Get(bucket)
	if rcfg.LockEnabled && opts.DeletePrefix {
		apiErr := toAPIError(ctx, errInvalidArgument)
		apiErr.Description = "force-delete is forbidden on Object Locking enabled buckets"
		writeErrorResponse(ctx, w, apiErr, r.URL)
		return
	}

	os := newObjSweeper(bucket, object).WithVersion(opts.VersionID).WithVersioning(opts.Versioned, opts.VersionSuspended)

		HTTPStatusCode: http.StatusNotFound,
	},
	ErrObjectLockConfigurationNotAllowed: {
		Code:           "InvalidBucketState",
		Description:    "Object Lock configuration cannot be enabled on existing buckets",
		HTTPStatusCode: http.StatusConflict,
	},
	ErrNoSuchCORSConfiguration: {
		Code:           "NoSuchCORSConfiguration",
		Description:    "The CORS configuration does not exist",