Esempio n. 1
0
func TestMain(m *testing.M) {
	server.CloseOnAbort()
	ec := m.Run()
	os.Exit(ec)
}
Esempio n. 2
0
// Run the server.
func Run() {
	server.CloseOnAbort()

	flag.Usage = printUsage
	flag.Parse()

	if flagVersion != nil && *flagVersion {
		_, _, thisExeAbsPath := gotil.GetThisPathParts()
		fmt.Fprintf(os.Stdout, "Binary: %s\n", thisExeAbsPath)
		fmt.Fprint(os.Stdout, api.Version.String())
		os.Exit(0)
	}

	if flagEnv != nil && *flagEnv {
		for _, v := range os.Environ() {
			fmt.Fprintf(os.Stdout, "%s\n", v)
		}
		os.Exit(0)
	}

	// if a config is specified then do not care about any other options
	if flagConfig != nil && gotil.FileExists(*flagConfig) {

		config = gofigCore.New()

		if err := config.ReadConfigFile(*flagConfig); err != nil {
			fmt.Fprintf(os.Stderr, "%s: error: %v\n", os.Args[0], err)
			os.Exit(1)
		}

		if flagPrintConfig != nil && *flagPrintConfig {
			jstr, err := config.ToJSON()
			if err != nil {
				fmt.Fprintf(os.Stderr, "%s: error: %v\n", os.Args[0], err)
				os.Exit(1)
			}
			fmt.Fprintln(os.Stdout, jstr)
			os.Exit(0)
		}

		s, errs, err := server.Serve(nil, config)
		if err != nil {
			fmt.Fprintf(os.Stderr, "%s: error: %v\n", os.Args[0], err)
			os.Exit(1)
		}

		err = <-errs
		if err != nil {
			fmt.Fprintf(os.Stderr, "%s: error: %v\n", os.Args[0], err)
			os.Exit(1)
		}

		s.Close()
		os.Exit(0)
	}

	cfg, err := apiconfig.NewConfig()
	if err != nil {
		fmt.Fprintf(os.Stderr, "%s: error: %v\n", os.Args[0], err)
		os.Exit(1)
	}

	config = cfg
	for _, fs := range config.FlagSets() {
		flag.CommandLine.AddFlagSet(fs)
	}

	if flagHelp != nil && *flagHelp {
		flag.Usage()
	}

	if len(flag.Args()) == 0 {
		flag.Usage()
	}

	if flagHost != nil {
		os.Setenv("LIBSTORAGE_HOST", *flagHost)
	}

	if flagLogLvl != nil {
		os.Setenv("LIBSTORAGE_LOGGING_LEVEL", *flagLogLvl)
	}

	if lvl, err := log.ParseLevel(
		config.GetString(apitypes.ConfigLogLevel)); err == nil {
		log.SetLevel(lvl)
	}

	if flagPrintConfig != nil && *flagPrintConfig {
		jstr, err := config.ToJSON()
		if err != nil {
			fmt.Fprintf(os.Stderr, "%s: error: %v\n", os.Args[0], err)
			os.Exit(1)
		}
		fmt.Fprintln(os.Stdout, jstr)
		os.Exit(0)
	}

	buf := &bytes.Buffer{}
	fmt.Fprintf(buf, "libstorage:\n  server:\n    services:\n")
	for _, ds := range flag.Args() {
		dsp := strings.Split(ds, ":")
		dn := dsp[0]
		sn := dsp[0]
		if len(dsp) > 1 {
			sn = dsp[1]
		}
		fmt.Fprintf(buf, "      %s:\n        driver: %s\n", sn, dn)
	}
	if err := config.ReadConfig(buf); err != nil {
		fmt.Fprintf(os.Stderr, "%s: error: %v\n", os.Args[0], err)
		os.Exit(1)
	}

	server.CloseOnAbort()

	_, errs, err := server.Serve(nil, config)
	if err != nil {
		fmt.Fprintf(os.Stderr, "%s: error: %v\n", os.Args[0], err)
		os.Exit(1)
	}

	<-errs
}
Esempio n. 3
0
// closeOnAbort is a helper function that can be called by programs, such as
// tests or a command line or service application.
//
//export closeOnAbort
func closeOnAbort() {
	server.CloseOnAbort()
}