Example #1
0
func getConfig(flagset *flag.FlagSet, userCfgFile string) (*config.Config, error) {
	opts := globalconf.Options{EnvPrefix: "API_HOSTD_"}

	if userCfgFile != "" {
		// Fail hard if a user-provided config is not usable
		fi, err := os.Stat(userCfgFile)
		if err != nil {
			ctxLog.Fatalf("Unable to use config file %s: %v", userCfgFile, err)
		}
		if fi.IsDir() {
			ctxLog.Fatalf("Provided config %s is a directory, not a file", userCfgFile)
		}
		opts.Filename = userCfgFile
	} else if _, err := os.Stat(DefaultConfigFile); err == nil {
		opts.Filename = DefaultConfigFile
	}

	gconf, err := globalconf.NewWithOptions(&opts)
	if err != nil {
		return nil, err
	}

	gconf.ParseSet("", flagset)

	cfg := config.Config{
		Verbosity: (*flagset.Lookup("verbosity")).Value.(flag.Getter).Get().(int),
		IP:        (*flagset.Lookup("ip")).Value.(flag.Getter).Get().(string),
		Port:      (*flagset.Lookup("port")).Value.(flag.Getter).Get().(string),
		Secret:    (*flagset.Lookup("jwt_sign_key")).Value.(flag.Getter).Get().(string),

		CORSAllowedOrigins:     config.StringToSlice((*flagset.Lookup("cors_allowed_origins")).Value.(flag.Getter).Get().(string)),
		CORSAllowedMethods:     config.StringToSlice((*flagset.Lookup("cors_allowed_methods")).Value.(flag.Getter).Get().(string)),
		CORSAllowedHeaders:     config.StringToSlice((*flagset.Lookup("cors_allowed_headers")).Value.(flag.Getter).Get().(string)),
		CORSExposedHeaders:     config.StringToSlice((*flagset.Lookup("cors_exposed_headers")).Value.(flag.Getter).Get().(string)),
		CORSAllowCredentials:   (*flagset.Lookup("cors_allow_credentials")).Value.(flag.Getter).Get().(bool),
		CORSMaxAge:             (*flagset.Lookup("cors_max_age")).Value.(flag.Getter).Get().(int),
		CORSOptionsPassThrough: (*flagset.Lookup("cors_options_pass_through")).Value.(flag.Getter).Get().(bool),
		CORSDebug:              (*flagset.Lookup("cors_debug")).Value.(flag.Getter).Get().(bool),
	}

	log.SetLevel(log.Level(cfg.Verbosity))

	ctxLog.Infof("Loaded config: [%+v]", cfg)

	return &cfg, nil
}
Example #2
0
func getConfig(flagset *flag.FlagSet, userCfgFile string) (*config.Config, error) {
	opts := globalconf.Options{EnvPrefix: "FLEET_"}

	if userCfgFile != "" {
		// Fail hard if a user-provided config is not usable
		fi, err := os.Stat(userCfgFile)
		if err != nil {
			log.Fatalf("Unable to use config file %s: %v", userCfgFile, err)
		}
		if fi.IsDir() {
			log.Fatalf("Provided config %s is a directory, not a file", userCfgFile)
		}

		log.Infof("Using provided config file %s", userCfgFile)
		opts.Filename = userCfgFile

	} else if _, err := os.Stat(DefaultConfigFile); err == nil {
		log.Infof("Using default config file %s", DefaultConfigFile)
		opts.Filename = DefaultConfigFile
	} else {
		log.Infof("No provided or default config file found - proceeding without")
	}

	gconf, err := globalconf.NewWithOptions(&opts)
	if err != nil {
		return nil, err
	}

	gconf.ParseSet("", flagset)

	cfg := config.Config{
		Verbosity:               (*flagset.Lookup("verbosity")).Value.(flag.Getter).Get().(int),
		EtcdServers:             (*flagset.Lookup("etcd_servers")).Value.(flag.Getter).Get().(pkg.StringSlice),
		EtcdUsername:            (*flagset.Lookup("etcd_username")).Value.(flag.Getter).Get().(string),
		EtcdPassword:            (*flagset.Lookup("etcd_password")).Value.(flag.Getter).Get().(string),
		EtcdKeyPrefix:           (*flagset.Lookup("etcd_key_prefix")).Value.(flag.Getter).Get().(string),
		EtcdKeyFile:             (*flagset.Lookup("etcd_keyfile")).Value.(flag.Getter).Get().(string),
		EtcdCertFile:            (*flagset.Lookup("etcd_certfile")).Value.(flag.Getter).Get().(string),
		EtcdCAFile:              (*flagset.Lookup("etcd_cafile")).Value.(flag.Getter).Get().(string),
		EtcdRequestTimeout:      (*flagset.Lookup("etcd_request_timeout")).Value.(flag.Getter).Get().(float64),
		EngineReconcileInterval: (*flagset.Lookup("engine_reconcile_interval")).Value.(flag.Getter).Get().(float64),
		PublicIP:                (*flagset.Lookup("public_ip")).Value.(flag.Getter).Get().(string),
		RawMetadata:             (*flagset.Lookup("metadata")).Value.(flag.Getter).Get().(string),
		AgentTTL:                (*flagset.Lookup("agent_ttl")).Value.(flag.Getter).Get().(string),
		DisableEngine:           (*flagset.Lookup("disable_engine")).Value.(flag.Getter).Get().(bool),
		DisableWatches:          (*flagset.Lookup("disable_watches")).Value.(flag.Getter).Get().(bool),
		EnableGRPC:              (*flagset.Lookup("enable_grpc")).Value.(flag.Getter).Get().(bool),
		VerifyUnits:             (*flagset.Lookup("verify_units")).Value.(flag.Getter).Get().(bool),
		UnitsDirectory:          (*flagset.Lookup("units_directory")).Value.(flag.Getter).Get().(string),
		SystemdUser:             (*flagset.Lookup("systemd_user")).Value.(flag.Getter).Get().(bool),
		TokenLimit:              (*flagset.Lookup("token_limit")).Value.(flag.Getter).Get().(int),
		AuthorizedKeysFile:      (*flagset.Lookup("authorized_keys_file")).Value.(flag.Getter).Get().(string),
	}

	if cfg.VerifyUnits {
		log.Error("Config option verify_units is no longer supported - ignoring")
	}
	if len(cfg.AuthorizedKeysFile) > 0 {
		log.Error("Config option authorized_keys_file is no longer supported - ignoring")
	}

	if cfg.Verbosity > 0 {
		log.EnableDebug()
	}

	return &cfg, nil
}