Function Get

config/config.go:102–242

Get loads the application config.

()

// Get loads the application config.
func Get() (Config, []FutureLog) {
	var logs []FutureLog
	dir, log := getExecutableOrWorkDir()
	if log != nil {
		logs = append(logs, *log)
	}

	for _, file := range getFiles(dir) {
		_, fileErr := osStat(file)
		if fileErr == nil {
			if err := godotenv.Load(file); err != nil {
				logs = append(logs, futureFatal(fmt.Sprintf("cannot load file %s: %s", file, err)))
			} else {
				logs = append(logs, FutureLog{
					Level: zerolog.DebugLevel,
					Msg:   fmt.Sprintf("Loading file %s", file),
				})
			}
		} else if os.IsNotExist(fileErr) {
			continue
		} else {
			logs = append(logs, FutureLog{
				Level: zerolog.WarnLevel,
				Msg:   fmt.Sprintf("cannot read file %s because %s", file, fileErr),
			})
		}
	}

	config := Config{}
	err := envconfig.Process(prefix, &config)
	if err != nil {
		logs = append(logs,
			futureFatal(fmt.Sprintf("cannot parse env params: %s", err)))
	}

	if config.AuthMode != AuthModeTurn && config.AuthMode != AuthModeAll && config.AuthMode != AuthModeNone {
		logs = append(logs,
			futureFatal(fmt.Sprintf("invalid SCREEGO_AUTH_MODE: %s", config.AuthMode)))
	}

	if config.ServerTLS {
		if config.TLSCertFile == "" {
			logs = append(logs, futureFatal("SCREEGO_TLS_CERT_FILE must be set if TLS is enabled"))
		}

		if config.TLSKeyFile == "" {
			logs = append(logs, futureFatal("SCREEGO_TLS_KEY_FILE must be set if TLS is enabled"))
		}
	}

	var compiledAllowedOrigins []*regexp.Regexp
	for _, origin := range config.CorsAllowedOrigins {
		compiled, err := regexp.Compile(origin)
		if err != nil {
			logs = append(logs, futureFatal(fmt.Sprintf("invalid regex: %s", err)))
		}
		compiledAllowedOrigins = append(compiledAllowedOrigins, compiled)
	}