Пример #1
0
func main() {
	myFlagSet.Parse(os.Args[1:])
	logger := log.New(os.Stderr, "wr ", log.LstdFlags)

	client, err := etcd.New(etcd.Config{Endpoints: []string{"http://localhost:2379"}})
	if err != nil {
		logger.Fatalf("Failed setting up %v", err)
	}
	w, err := watcher.New(myFlagSet, etcd.NewKeysAPI(client), "/example/flagz", logger)
	if err != nil {
		logger.Fatalf("Failed setting up %v", err)
	}
	err = w.Initialize()
	if err != nil {
		logger.Fatalf("Failed setting up %v", err)
	}
	w.Start()

	for true {
		logger.Printf("staticint: %v dynint: %v dynstring: %v",
			*staticInt,
			dynInt.Get(),
			dynStr.Get())
		time.Sleep(1500 * time.Millisecond)
	}
}
Пример #2
0
func main() {
	logger := log.New(os.Stderr, "server", log.LstdFlags)
	if err := serverFlags.Parse(os.Args[1:]); err != nil {
		logger.Fatalf("%v", err)
	}

	client, err := etcd.New(etcd.Config{Endpoints: *etcdEndpoints})
	if err != nil {
		logger.Fatalf("Failed setting up etcd %v", err)
	}
	w, err := watcher.New(serverFlags, etcd.NewKeysAPI(client), *etcdFlagzPath, logger)
	if err != nil {
		logger.Fatalf("Failed setting up watcher %v", err)
	}
	err = w.Initialize()
	if err != nil {
		logger.Fatalf("Failed initializing watcher %v", err)
	}
	w.Start()
	logger.Printf("etcd flag value watching initialized")

	flagzEndpoint := flagz.NewStatusEndpoint(serverFlags)
	http.HandleFunc("/debug/flagz", flagzEndpoint.ListFlags)
	http.HandleFunc("/", handleDefaultPage)

	addr := fmt.Sprintf("%s:%d", *listenHost, *listenPort)
	logger.Printf("Serving at: %v", addr)
	if err := http.ListenAndServe(addr, http.DefaultServeMux); err != nil {
		logger.Fatalf("Failed serving: %v", err)
	}
	logger.Printf("Done, bye.")
}
Пример #3
0
// Clean up the etcd state before each test.
func (s *watcherTestSuite) SetupTest() {
	s.keys.Delete(newCtx(), prefix, &etcd.DeleteOptions{Dir: true, Recursive: true})
	_, err := s.keys.Set(newCtx(), prefix, "", &etcd.SetOptions{Dir: true})
	if err != nil {
		s.T().Fatalf("cannot create empty dir %v: %v", prefix, err)
	}
	s.flagSet = flag.NewFlagSet("updater_test", flag.ContinueOnError)
	s.watcher, err = watcher.New(s.flagSet, s.keys, prefix, &testingLog{T: s.T()})
	if err != nil {
		s.T().Fatalf("cannot create updater: %v", err)
	}
}