if err != nil {
		return err
	}

	bootstrapTraceMsg("lookup the configuration")

	// Override any values from ENVs.
	lookupConfigs(srvCfg, objAPI)

	// hold the mutex lock before a new config is assigned.
	globalServerConfigMu.Lock()
	globalServerConfig = srvCfg
	globalServerConfigMu.Unlock()

	return nil

)

// IdentityManager is the generic interface that handles KMS identity operations
type IdentityManager interface {
	// DescribeIdentity describes an identity by returning its metadata.
	// e.g. which policy is currently assigned and whether its an admin identity.
	DescribeIdentity(ctx context.Context, identity string) (*kes.IdentityInfo, error)

	// DescribeSelfIdentity describes the identity issuing the request.

	if err != nil {
		b.Fatal(err)
	}

	objSize := 128 * humanize.MiByte

	// PutObjectPart returns etag of the object inserted.
	// etag variable is assigned with that value.
	var etag string
	// get text data generated for number of bytes equal to object size.
	textData := generateBytesData(objSize)
	// generate md5sum for the generated data.