logger.FatalIf(storageListDirRPC.RegisterNoInput(gm, server.ListDirHandler, endpoint.Path), "unable to register handler")
			logger.FatalIf(storageReadAllRPC.Register(gm, server.ReadAllHandler, endpoint.Path), "unable to register handler")
			logger.FatalIf(storageWriteAllRPC.Register(gm, server.WriteAllHandler, endpoint.Path), "unable to register handler")

	flag.Parse()

	if sourceEndpoint == "" {
		log.Fatalln("source Endpoint is not provided")
	}

	if sourceAccessKey == "" {
		log.Fatalln("source Access key is not provided")
	}

	if sourceSecretKey == "" {
		log.Fatalln("source Secret key is not provided")
	}

	if sourceBucket == "" && sourcePrefix != "" {
		log.Fatalln("--source-prefix is specified without --source-bucket.")
	}

	v, _, _, err := env.LookupEnv(config.EnvArgs)
	if err != nil {
		logger.FatalIf(err, "Unable to validate passed arguments in %s:%s",
			config.EnvArgs, os.Getenv(config.EnvArgs))
	}
	if v == "" {
		v, _, _, err = env.LookupEnv(config.EnvVolumes)
		if err != nil {
			logger.FatalIf(err, "Unable to validate passed arguments in %s:%s",
				config.EnvVolumes, os.Getenv(config.EnvVolumes))
		}
	}

	if err != nil {
		LogIf(ctx, "", err, errKind...)
		panic(ErrCritical)
	}
}

// FatalIf is similar to Fatal() but it ignores passed nil error
func FatalIf(err error, msg string, data ...interface{}) {
	if err == nil {
		return
	}
	fatal(err, msg, data...)

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

	// Uncomment this to use MinIO API operations by initializing minio
	// client with obtained credentials.

	opts := &minio.Options{
		Creds:        sts,
		BucketLookup: minio.BucketLookupAuto,
	}

	u, err := url.Parse(stsEndpoint)
	if err != nil {
		log.Fatal(err)
	}

	clnt, err := minio.New(u.Host, opts)

}

// Assert - checks if gotValue is same as expectedValue, if not fails the test.
func (c *check) Assert(gotValue interface{}, expectedValue interface{}) {
	c.Helper()
	if !reflect.DeepEqual(gotValue, expectedValue) {
		c.Fatalf("Test %s expected %v, got %v", c.testType, expectedValue, gotValue)
	}
}

func verifyError(c *check, response *http.Response, code, description string, statusCode int) {
	c.Helper()
	data, err := io.ReadAll(response.Body)

	localLoopbacks = mustGetLocalLoopbacks()
)

// mustSplitHostPort is a wrapper to net.SplitHostPort() where error is assumed to be a fatal.
func mustSplitHostPort(hostPort string) (host, port string) {
	xh, err := xnet.ParseHost(hostPort)
	if err != nil {
		logger.FatalIf(err, "Unable to split host port %s", hostPort)
	}
	return xh.Name, xh.Port.String()
}

// mustGetLocalIPs returns IPs of local interface

	v := allTierStats{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)

	v := BatchJobReplicateCredentials{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)

	v := BatchJobPrefix{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)