func LookupConfig(kvs config.KVS, transport http.RoundTripper) (cfg Config, err error) {
	if err = config.CheckValidKeys(config.SubnetSubSys, kvs, DefaultKVS); err != nil {
		return cfg, err
	}

	var proxyURL *xnet.URL
	proxy := env.Get(config.EnvMinIOSubnetProxy, kvs.Get(config.Proxy))
	if len(proxy) > 0 {
		proxyURL, err = xnet.ParseHTTPURL(proxy)
		if err != nil {
			return cfg, err
		}
	}

			cfg.S3.AccessKey = creds.AccessKey
			cfg.S3.SecretKey = creds.SecretKey
		}
	case madmin.Azure:
		if creds.SecretKey != "" {
			cfg.Azure.AccountKey = creds.SecretKey
		}
		if creds.AzSP.TenantID != "" {
			cfg.Azure.SPAuth.TenantID = creds.AzSP.TenantID
		}
		if creds.AzSP.ClientID != "" {
			cfg.Azure.SPAuth.ClientID = creds.AzSP.ClientID
		}
		if creds.AzSP.ClientSecret != "" {

	if d == "" {
		cfg.MaxTimeout = 30 * time.Second
	} else {
		dur, _ := time.ParseDuration(d)
		if dur < time.Second {
			cfg.MaxTimeout = 30 * time.Second
		} else {
			cfg.MaxTimeout = getMaxTimeout(dur)
		}
	}
	return cfg, err
}

func getMaxTimeout(t time.Duration) time.Duration {
	if t > time.Second {
		return t
	}
	// get default value

func SetStorageClass(s config.Config, cfg Config) {
	if len(cfg.Standard.String()) == 0 && len(cfg.RRS.String()) == 0 {
		// Do not enable storage-class if no settings found.
		return
	}
	s[config.StorageClassSubSys][config.Default] = config.KVS{
		config.KV{
			Key:   ClassStandard,
			Value: cfg.Standard.String(),
		},
		config.KV{
			Key:   ClassRRS,
			Value: cfg.RRS.String(),
		},
	}

	if err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
		return
	}

	var cfg madmin.TierConfig
	json := jsoniter.ConfigCompatibleWithStandardLibrary
	if err := json.Unmarshal(reqBytes, &cfg); err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	var ignoreInUse bool

	if ssc != "" {
		cfg.Standard, err = parseStorageClass(ssc)
		if err != nil {
			return Config{}, err
		}
	} else {
		cfg.Standard.Parity = DefaultParityBlocks(setDriveCount)
	}

	if rrsc != "" {
		cfg.RRS, err = parseStorageClass(rrsc)
		if err != nil {
			return Config{}, err
		}
	} else {
		cfg.RRS.Parity = defaultRRSParity
		if setDriveCount == 1 {

// TestSubSysLambdaTargets - tests notification targets of given subsystem
func TestSubSysLambdaTargets(ctx context.Context, cfg config.Config, subSys string, transport *http.Transport) error {
	if err := checkValidLambdaKeysForSubSys(subSys, cfg[subSys]); err != nil {
		return err
	}

	targetList, err := fetchSubSysTargets(ctx, cfg, subSys, transport)
	if err != nil {
		return err
	}

	for _, target := range targetList {

func LookupConfig(kvs config.KVS) (cfg Config, err error) {
	if err = config.CheckValidKeys(config.CallhomeSubSys, kvs, DefaultKVS); err != nil {
		return cfg, err
	}

	cfg.Enable = env.Get(config.EnvMinIOCallhomeEnable,
		kvs.GetWithDefault(Enable, DefaultKVS)) == config.EnableOn
	cfg.Frequency, err = time.ParseDuration(env.Get(config.EnvMinIOCallhomeFrequency,

	if err := config.CheckValidKeys(config.IdentityTLSSubSys, kvs, DefaultKVS); err != nil {
		return Config{}, err
	}
	cfg := Config{}
	var err error
	v := env.Get(EnvIdentityTLSEnabled, "")
	if v == "" {
		return cfg, nil
	}
	cfg.Enabled, err = config.ParseBool(v)
	if err != nil {
		return Config{}, err
	}
	cfg.InsecureSkipVerify, err = config.ParseBool(env.Get(EnvIdentityTLSSkipVerify, kvs.Get(skipVerify)))
	if err != nil {

func SetCompressionConfig(s config.Config, cfg Config) {
	if !cfg.Enabled {
		// No need to save disabled settings in new config.
		return
	}
	s[config.CompressionSubSys][config.Default] = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOn,
		},
		config.KV{
			Key:   Extensions,
			Value: strings.Join(cfg.Extensions, config.ValueSeparator),
		},
		config.KV{