Golang fs.LoadConfig函數代碼示例

// initConfig is run by cobra after initialising the flags
func initConfig() {
	// Log file output
	if *logFile != "" {
		f, err := os.OpenFile(*logFile, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0640)
		if err != nil {
			log.Fatalf("Failed to open log file: %v", err)
		}
		_, err = f.Seek(0, os.SEEK_END)
		if err != nil {
			fs.ErrorLog(nil, "Failed to seek log file to end: %v", err)
		}
		log.SetOutput(f)
		fs.DebugLogger.SetOutput(f)
		redirectStderr(f)
	}

	// Load the rest of the config now we have started the logger
	fs.LoadConfig()

	// Write the args for debug purposes
	fs.Debug("rclone", "Version %q starting with parameters %q", fs.Version, os.Args)

	// Setup CPU profiling if desired
	if *cpuProfile != "" {
		fs.Log(nil, "Creating CPU profile %q\n", *cpuProfile)
		f, err := os.Create(*cpuProfile)
		if err != nil {
			fs.Stats.Error()
			log.Fatal(err)
		}
		err = pprof.StartCPUProfile(f)
		if err != nil {
			fs.Stats.Error()
			log.Fatal(err)
		}
		defer pprof.StopCPUProfile()
	}

	// Setup memory profiling if desired
	if *memProfile != "" {
		defer func() {
			fs.Log(nil, "Saving Memory profile %q\n", *memProfile)
			f, err := os.Create(*memProfile)
			if err != nil {
				fs.Stats.Error()
				log.Fatal(err)
			}
			err = pprof.WriteHeapProfile(f)
			if err != nil {
				fs.Stats.Error()
				log.Fatal(err)
			}
			err = f.Close()
			if err != nil {
				fs.Stats.Error()
				log.Fatal(err)
			}
		}()
	}
}

// newRun initialise the remote and local for testing and returns a
// run object.
//
// r.flocal is an empty local Fs
// r.fremote is an empty remote Fs
//
// Finalise() will tidy them away when done.
func newRun() *Run {
	r := &Run{
		Logf:   log.Printf,
		Fatalf: log.Fatalf,
		mkdir:  make(map[string]bool),
	}

	fs.LoadConfig()
	fs.Config.Verbose = *Verbose
	fs.Config.Quiet = !*Verbose
	fs.Config.DumpHeaders = *DumpHeaders
	fs.Config.DumpBodies = *DumpBodies

	var err error
	r.fremote, r.cleanRemote, err = fstest.RandomRemote(*RemoteName, *SubDir)
	if err != nil {
		r.Fatalf("Failed to open remote %q: %v", *RemoteName, err)
	}

	r.localName, err = ioutil.TempDir("", "rclone")
	if err != nil {
		r.Fatalf("Failed to create temp dir: %v", err)
	}
	r.localName = filepath.ToSlash(r.localName)
	r.flocal, err = fs.NewFs(r.localName)
	if err != nil {
		r.Fatalf("Failed to make %q: %v", r.localName, err)
	}
	fs.CalculateModifyWindow(r.fremote, r.flocal)
	return r
}

func TestInit(t *testing.T) {
	fs.LoadConfig()
	fs.Config.Verbose = *Verbose
	fs.Config.Quiet = !*Verbose
	fs.Config.DumpHeaders = *DumpHeaders
	fs.Config.DumpBodies = *DumpBodies
	var err error
	fremote, finalise, err = fstest.RandomRemote(*RemoteName, *SubDir)
	if err != nil {
		t.Fatalf("Failed to open remote %q: %v", *RemoteName, err)
	}
	t.Logf("Testing with remote %v", fremote)

	localName, err = ioutil.TempDir("", "rclone")
	if err != nil {
		t.Fatalf("Failed to create temp dir: %v", err)
	}
	localName = filepath.ToSlash(localName)
	t.Logf("Testing with local %q", localName)
	flocal, err = fs.NewFs(localName)
	if err != nil {
		t.Fatalf("Failed to make %q: %v", remoteName, err)
	}

}

// TestInit tests basic intitialisation
func TestInit(t *testing.T) {
	var err error

	// Never ask for passwords, fail instead.
	// If your local config is encrypted set environment variable
	// "RCLONE_CONFIG_PASS=hunter2" (or your password)
	*fs.AskPassword = false
	fs.LoadConfig()
	fs.Config.Verbose = *verbose
	fs.Config.Quiet = !*verbose
	fs.Config.DumpHeaders = *dumpHeaders
	fs.Config.DumpBodies = *dumpBodies
	t.Logf("Using remote %q", RemoteName)
	if RemoteName == "" {
		RemoteName, err = fstest.LocalRemote()
		require.NoError(t, err)
	}
	subRemoteName, subRemoteLeaf, err = fstest.RandomRemoteName(RemoteName)
	require.NoError(t, err)

	remote, err = fs.NewFs(subRemoteName)
	if err == fs.ErrorNotFoundInConfigFile {
		t.Logf("Didn't find %q in config file - skipping tests", RemoteName)
		return
	}
	require.NoError(t, err)
	fstest.TestMkdir(t, remote)
}

func TestInit(t *testing.T) {
	var err error
	fs.LoadConfig()
	fs.Config.Verbose = false
	fs.Config.Quiet = true
	t.Logf("Using remote %q", RemoteName)
	if RemoteName == "" {
		RemoteName, err = fstest.LocalRemote()
		if err != nil {
			log.Fatalf("Failed to create tmp dir: %v", err)
		}
	}
	subRemoteName, subRemoteLeaf, err = fstest.RandomRemoteName(RemoteName)
	if err != nil {
		t.Fatalf("Couldn't make remote name: %v", err)
	}

	remote, err = fs.NewFs(subRemoteName)
	if err == fs.NotFoundInConfigFile {
		log.Printf("Didn't find %q in config file - skipping tests", RemoteName)
		return
	}
	if err != nil {
		t.Fatalf("Couldn't start FS: %v", err)
	}
	fstest.TestMkdir(t, remote)
}

// newRun initialise the remote mount for testing and returns a run
// object.
//
// r.fremote is an empty remote Fs
//
// Finalise() will tidy them away when done.
func newRun() *Run {
	r := &Run{
		umountResult: make(chan error, 1),
	}

	// Never ask for passwords, fail instead.
	// If your local config is encrypted set environment variable
	// "RCLONE_CONFIG_PASS=hunter2" (or your password)
	*fs.AskPassword = false
	fs.LoadConfig()
	fs.Config.Verbose = *Verbose
	fs.Config.Quiet = !*Verbose
	fs.Config.DumpHeaders = *DumpHeaders
	fs.Config.DumpBodies = *DumpBodies
	fs.Config.LowLevelRetries = *LowLevelRetries
	var err error
	r.fremote, r.fremoteName, r.cleanRemote, err = fstest.RandomRemote(*RemoteName, *SubDir)
	if err != nil {
		log.Fatalf("Failed to open remote %q: %v", *RemoteName, err)
	}

	r.mountPath, err = ioutil.TempDir("", "rclonefs-mount")
	if err != nil {
		log.Fatalf("Failed to create mount dir: %v", err)
	}

	// Mount it up
	r.mount()

	return r
}

// newRun initialise the remote and local for testing and returns a
// run object.
//
// r.flocal is an empty local Fs
// r.fremote is an empty remote Fs
//
// Finalise() will tidy them away when done.
func newRun() *Run {
	r := &Run{
		Logf:   log.Printf,
		Fatalf: log.Fatalf,
		mkdir:  make(map[string]bool),
	}

	// Never ask for passwords, fail instead.
	// If your local config is encrypted set environment variable
	// "RCLONE_CONFIG_PASS=hunter2" (or your password)
	*fs.AskPassword = false
	fs.LoadConfig()
	fs.Config.Verbose = *Verbose
	fs.Config.Quiet = !*Verbose
	fs.Config.DumpHeaders = *DumpHeaders
	fs.Config.DumpBodies = *DumpBodies
	fs.Config.LowLevelRetries = *LowLevelRetries
	var err error
	r.fremote, r.cleanRemote, err = fstest.RandomRemote(*RemoteName, *SubDir)
	if err != nil {
		r.Fatalf("Failed to open remote %q: %v", *RemoteName, err)
	}

	r.localName, err = ioutil.TempDir("", "rclone")
	if err != nil {
		r.Fatalf("Failed to create temp dir: %v", err)
	}
	r.localName = filepath.ToSlash(r.localName)
	r.flocal, err = fs.NewFs(r.localName)
	if err != nil {
		r.Fatalf("Failed to make %q: %v", r.localName, err)
	}
	fs.CalculateModifyWindow(r.fremote, r.flocal)
	return r
}

func main() {
	flag.Parse()
	if *runTests != "" {
		remotes = strings.Split(*runTests, ",")
	}
	log.Printf("Testing remotes: %s", strings.Join(remotes, ", "))

	start := time.Now()
	if *clean {
		fs.LoadConfig()
	} else {
		makeTestBinary()
		defer removeTestBinary()
	}

	// start the tests
	results := make(chan *test, 8)
	awaiting := 0
	for _, remote := range remotes {
		awaiting += 2
		go newTest(remote, false).run(results)
		go newTest(remote, true).run(results)
	}

	// Wait for the tests to finish
	var failed []*test
	for ; awaiting > 0; awaiting-- {
		t := <-results
		if !t.passed() {
			failed = append(failed, t)
		}
	}
	duration := time.Since(start)

	// Summarise results
	if len(failed) == 0 {
		log.Printf("PASS: All tests finished OK in %v", duration)
	} else {
		log.Printf("FAIL: %d tests failed in %v", len(failed), duration)
		for _, t := range failed {
			log.Printf("  * %s", t.cmdString)
		}
		os.Exit(1)
	}
}

// ParseFlags parses the command line flags
func ParseFlags() {
	pflag.Usage = syntaxError
	pflag.Parse()
	runtime.GOMAXPROCS(runtime.NumCPU())
	fs.LoadConfig()

	// Setup profiling if desired
	if *cpuprofile != "" {
		f, err := os.Create(*cpuprofile)
		if err != nil {
			fs.Stats.Error()
			log.Fatal(err)
		}
		err = pprof.StartCPUProfile(f)
		if err != nil {
			fs.Stats.Error()
			log.Fatal(err)
		}
		defer pprof.StopCPUProfile()
	}
}

// ParseFlags parses the command line flags
func ParseFlags() {
	pflag.Usage = syntaxError
	pflag.Parse()
	runtime.GOMAXPROCS(runtime.NumCPU())
	fs.LoadConfig()
}

func main() {
	ParseFlags()
	if *version {
		fmt.Printf("rclone %s\n", fs.Version)
		os.Exit(0)
	}
	command, args := ParseCommand()

	// Log file output
	if *logFile != "" {
		f, err := os.OpenFile(*logFile, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0640)
		if err != nil {
			log.Fatalf("Failed to open log file: %v", err)
		}
		_, err = f.Seek(0, os.SEEK_END)
		if err != nil {
			fs.ErrorLog(nil, "Failed to seek log file to end: %v", err)
		}
		log.SetOutput(f)
		fs.DebugLogger.SetOutput(f)
		redirectStderr(f)
	}

	// Load the rest of the config now we have started the logger
	fs.LoadConfig()

	// Write the args for debug purposes
	fs.Debug("rclone", "Version %q starting with parameters %q", fs.Version, os.Args)

	// Setup CPU profiling if desired
	if *cpuProfile != "" {
		fs.Log(nil, "Creating CPU profile %q\n", *cpuProfile)
		f, err := os.Create(*cpuProfile)
		if err != nil {
			fs.Stats.Error()
			log.Fatal(err)
		}
		err = pprof.StartCPUProfile(f)
		if err != nil {
			fs.Stats.Error()
			log.Fatal(err)
		}
		defer pprof.StopCPUProfile()
	}

	// Setup memory profiling if desired
	if *memProfile != "" {
		defer func() {
			fs.Log(nil, "Saving Memory profile %q\n", *memProfile)
			f, err := os.Create(*memProfile)
			if err != nil {
				fs.Stats.Error()
				log.Fatal(err)
			}
			err = pprof.WriteHeapProfile(f)
			if err != nil {
				fs.Stats.Error()
				log.Fatal(err)
			}
			err = f.Close()
			if err != nil {
				fs.Stats.Error()
				log.Fatal(err)
			}
		}()
	}

	// Make source and destination fs
	var fdst, fsrc fs.Fs
	if len(args) >= 1 {
		fdst = NewFsSrc(args[0])
	}
	if len(args) >= 2 {
		fsrc = fdst
		fdst = NewFs(args[1])
	}

	fs.CalculateModifyWindow(fdst, fsrc)

	if !command.NoStats {
		StartStats()
	}

	// Exit if no command to run
	if command.Run == nil {
		return
	}

	// Run the actual command
	var err error
	for try := 1; try <= *retries; try++ {
		err = command.Run(fdst, fsrc)
		if !command.Retry || (err == nil && !fs.Stats.Errored()) {
			break
		}
		if fs.IsFatalError(err) {
			fs.Log(nil, "Fatal error received - not attempting retries")
			break
		}
		if fs.IsNoRetryError(err) {
//.........這裏部分代碼省略.........