func isValidRegion(reqRegion string, confRegion string) bool {
	if confRegion == "" {
		return true
	}
	if confRegion == "US" {
		confRegion = globalMinioDefaultRegion
	}
	// Some older s3 clients set region as "US" instead of
	// globalMinioDefaultRegion, handle it.
	if reqRegion == "US" {
		reqRegion = globalMinioDefaultRegion
	}
	return reqRegion == confRegion
}

	for _, line := range strings.Split(errMsg, "\n") {
		if len(line) == 0 {
			// No more text to print, just quit.
			break
		}

		for {
			// Save the attributes of the current cursor helps
			// us save the text color of the passed error message
			ansiSaveAttributes()
			// Print banner with or without the log tag
			if !tagPrinted {
				fmt.Fprint(Output, logBanner)
				tagPrinted = true
			} else {

	mkdir -p "$MINIO_CONFIG_DIR"

	## version is purposefully set to '3' for minio to migrate configuration file
	echo '{"version": "3", "credential": {"accessKey": "minio", "secretKey": "minio123"}, "region": "us-east-1"}' >"$MINIO_CONFIG_DIR/config.json"

	if [ ! -f /tmp/mc ]; then
		wget --quiet -O /tmp/mc https://dl.minio.io/client/mc/release/linux-amd64/mc &&
			chmod +x /tmp/mc
	fi
}

function upload_objects() {

	// Generate the final policy document
	policy = fmt.Sprintf(policy, dates...)

	region := "us-east-1"
	// Create a new POST request with success_action_redirect field specified

		expectedResult bool
	}{
		{"", "", true},
		{globalMinioDefaultRegion, "", true},
		{globalMinioDefaultRegion, "US", true},
		{"us-west-1", "US", false},
		{"us-west-1", "us-west-1", true},
		// "US" was old naming convention for 'us-east-1'.
		{"US", "US", true},
	}

	for i, testCase := range testCases {
		actualResult := isValidRegion(testCase.inputReqRegion, testCase.inputConfRegion)

				"X-Amz-Signature":     "badsignature",
				"X-Amz-SignedHeaders": "host;x-amz-content-sha256;x-amz-date",
				"X-Amz-Credential":    fmt.Sprintf(credentialTemplate, "Z7IXGOO6BZ0REAN1Q26I", now.Format(yyyymmdd), "us-west-1"),
			},
			region:   "us-west-1",
			expected: ErrInvalidAccessKeyID,
		},
		// (2) Should NOT fail with an invalid region if it doesn't verify it.
		{
			queryParams: map[string]string{

		HTTPStatusCode: http.StatusForbidden,
	},
	ErrAuthorizationHeaderMalformed: {
		Code:           "AuthorizationHeaderMalformed",
		Description:    "The authorization header is malformed; the region is wrong; expecting 'us-east-1'.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrMalformedPOSTRequest: {
		Code:           "MalformedPOSTRequest",
		Description:    "The body of your POST request is not well-formed multipart/form-data.",

func genTransitionObjName(bucket string) (string, error) {
	u, err := uuid.NewRandom()
	if err != nil {
		return "", err
	}
	us := u.String()
	hash := xxh3.HashString(pathJoin(globalDeploymentID(), bucket))
	obj := fmt.Sprintf("%s/%s/%s/%s", strconv.FormatUint(hash, 16), us[0:2], us[2:4], us)
	return obj, nil
}

// transition object to target specified by the transition ARN. When an object is transitioned to another

	bucketNotificationBuf := `<NotificationConfiguration><QueueConfiguration><Event>s3:ObjectCreated:Put</Event><Filter><S3Key><FilterRule><Name>prefix</Name><Value>images/</Value></FilterRule></S3Key></Filter><Id>1</Id><Queue>arn:minio:sqs:us-east-1:444455556666:webhook</Queue></QueueConfiguration></NotificationConfiguration>`
	// generate a random bucket Name.
	bucketName := getRandomBucketName()
	// HTTP request to create the bucket.

const (
	maxMultipartPutObjectSize = 1024 * 1024 * 1024 * 1024 * 5
	maxPartsCount             = 10000
	maxPartSize               = 1024 * 1024 * 1024 * 5
	minPartSize               = 1024 * 1024 * 128 // chosen by us to be optimal for HDDs
)

// optimalPartInfo - calculate the optimal part info for a given
// object size.
//
// NOTE: Assumption here is that for any object to be uploaded to any S3 compatible