// JWT token for x-amz-security-token is signed with admin
	// secret key, temporary credentials become invalid if
	// server admin credentials change. This is done to ensure
	// that clients cannot decode the token using the temp
	// secret keys and generate an entirely new claim by essentially
	// hijacking the policies. We need to make sure that this is
	// based on admin credential such that token cannot be decoded

            file.setReadable(true, true);
            file.setWritable(false, false);
            file.setWritable(true, true);
            if (logger.isDebugEnabled()) {
                logger.debug("Create {} as a temp file.", file.getAbsolutePath());
            }
            return file;
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**

                final File propFile = ComponentUtil.getSystemHelper().createTempFile("crawler_", ".properties");
                if (propFile.delete() && logger.isDebugEnabled()) {
                    logger.debug("Deleted a temp file: {}", propFile.getAbsolutePath());
                }
                systemProperties.reload(propFile.getAbsolutePath());
                propFile.deleteOnExit();
            } catch (final Exception e) {

func (sys *NotificationSys) LoadUser(ctx context.Context, accessKey string, temp bool) []NotificationPeerErr {
	ng := WithNPeers(len(sys.peerClients)).WithRetries(1)
	for idx, client := range sys.peerClients {
		ng.Go(ctx, func() error {
			if client == nil {
				return errPeerNotReachable
			}
			return client.LoadUser(ctx, accessKey, temp)
		}, idx, *client.host)
	}
	return ng.Wait()
}

	accessKey := mss.Get(peerRESTUser)
	if accessKey == "" {
		return np, grid.NewRemoteErr(errors.New("username is missing"))
	}

	temp, err := strconv.ParseBool(mss.Get(peerRESTUserTemp))
	if err != nil {
		return np, grid.NewRemoteErr(err)
	}

	userType := regUser
	if temp {
		userType = stsUser
	}

	if err = globalIAMSys.LoadUser(context.Background(), objAPI, accessKey, userType); err != nil {

	return newXLStorage(Endpoint{
		URL:     &u,
		IsLocal: true,
		PoolIdx: 0,
		SetIdx:  0,
		DiskIdx: diskIdx,
	}, true)
}

// creates a temp dir and sets up xlStorage layer.
// returns xlStorage layer, temp dir path to be used for the purpose of tests.
func newXLStorageTestSetup(tb testing.TB) (*xlStorageDiskIDCheck, string, error) {
	diskPath := tb.TempDir()

* e2e: fix error checking in kubelet stats ([#24205](https://github.com/kubernetes/kubernetes/pull/24205), [@yujuhong](https://github.com/yujuhong))
* Trusty: Avoid unnecessary in-memory temp files ([#24144](https://github.com/kubernetes/kubernetes/pull/24144), [@andyzheng0831](https://github.com/andyzheng0831))

* Return more useful error information when a persistent volume fails to mount ([#23122](https://github.com/kubernetes/kubernetes/pull/23122), [@screeley44](https://github.com/screeley44))
* Trusty: Avoid unnecessary in-memory temp files ([#24144](https://github.com/kubernetes/kubernetes/pull/24144), [@andyzheng0831](https://github.com/andyzheng0831))

		SkipRebalancing:    true,
	})

	if err != nil && !isErrObjectNotFound(err) {
		return -1, err
	}

	idx = pinfo.Index
	if isErrObjectNotFound(err) || pinfo.Err == nil {
		// will generate a temp object
		idx = z.getAvailablePoolIdx(ctx, bucket, object, size)
		if idx < 0 {
			return -1, toObjectErr(errDiskFull)
		}
	}

	return idx, nil
}

	// This can especially be observed with NFS and with disk quota.
	return w.Close()
}

// writeAllMeta - writes all metadata to a temp file and then links it to the final destination.
func (s *xlStorage) writeAllMeta(ctx context.Context, volume string, path string, b []byte, sync bool) (err error) {
	if contextCanceled(ctx) {
		return ctx.Err()
	}