Пример #1
0
func TestHandleCritical(t *testing.T) {
	called := false
	h := logger.HandleCritical(func() { called = true })

	logger.Debugf(h, "debug")
	if called {
		t.Errorf("Shouldn't be triggered from debug msg")
	}
	logger.Criticalf(h, "critical")
	if !called {
		t.Errorf("Should be triggered from debug msg")
	}

	called = false
	logger.Criticalf(h, "critical2")
	if !called {
		t.Errorf("Should be triggered only once")
	}
}
Пример #2
0
func main() {
	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
	logger.Registry().AddOutput(logger.WriterLogger{os.Stderr})
	flag.Usage = Usage
	flag.Parse()

	cfg, err := facade.NewConfig(*flagConfigDir)
	if err != nil {
		logger.Criticalf(mylog, "%v", err)
		Usage()
		os.Exit(2)
	}
	if flag.NArg() != 1 {
		Usage()
		os.Exit(2)
	}
	mountpoint := flag.Arg(0)

	if err := facade.SetupFluentLogger(cfg); err != nil {
		logger.Criticalf(mylog, "Failed to setup fluentd logger: %v", err)
		os.Exit(1)
	}

	o, err := facade.NewOtaru(cfg, &facade.OneshotConfig{Mkfs: *flagMkfs})
	if err != nil {
		logger.Criticalf(mylog, "NewOtaru failed: %v", err)
		os.Exit(1)
	}
	var muClose sync.Mutex
	closeOtaruAndExit := func(exitCode int) {
		muClose.Lock()
		defer muClose.Unlock()

		if err := bfuse.Unmount(mountpoint); err != nil {
			logger.Warningf(mylog, "umount err: %v", err)
		}
		if o != nil {
			if err := o.Close(); err != nil {
				logger.Warningf(mylog, "Otaru.Close() returned errs: %v", err)
			}
			o = nil
		}
		os.Exit(exitCode)
	}
	defer closeOtaruAndExit(0)

	sigC := make(chan os.Signal, 1)
	signal.Notify(sigC, os.Interrupt)
	signal.Notify(sigC, syscall.SIGTERM)
	go func() {
		for s := range sigC {
			logger.Warningf(mylog, "Received signal: %v", s)
			closeOtaruAndExit(1)
		}
	}()
	logger.Registry().AddOutput(logger.HandleCritical(func() {
		logger.Warningf(mylog, "Starting shutdown due to critical event.")
		closeOtaruAndExit(1)
	}))

	bfuseLogger := logger.Registry().Category("bfuse")
	bfuse.Debug = func(msg interface{}) { logger.Debugf(bfuseLogger, "%v", msg) }
	if err := fuse.ServeFUSE(cfg.BucketName, mountpoint, o.FS, nil); err != nil {
		logger.Warningf(mylog, "ServeFUSE failed: %v", err)
		closeOtaruAndExit(1)
	}
	logger.Infof(mylog, "ServeFUSE end!")
}