Golang etcdstoreadapter.New函数代码示例

func connectToStoreAdapter(l logger.Logger, conf *config.Config) storeadapter.StoreAdapter {
	var adapter storeadapter.StoreAdapter
	workPool, err := workpool.NewWorkPool(conf.StoreMaxConcurrentRequests)
	if err != nil {
		l.Error("Failed to create workpool", err)
		os.Exit(1)
	}

	options := &etcdstoreadapter.ETCDOptions{
		ClusterUrls: conf.StoreURLs,
	}
	adapter, err = etcdstoreadapter.New(options, workPool)
	if err != nil {
		l.Error("Failed to create the store adapter", err)
		os.Exit(1)
	}

	err = adapter.Connect()
	if err != nil {
		l.Error("Failed to connect to the store", err)
		os.Exit(1)
	}

	return adapter
}

func initializeReceptorBBS(etcdOptions *etcdstoreadapter.ETCDOptions, logger lager.Logger) Bbs.ReceptorBBS {
	workPool, err := workpool.NewWorkPool(100)
	if err != nil {
		logger.Fatal("failed-to-construct-etcd-adapter-workpool", err, lager.Data{"num-workers": 100}) // should never happen
	}

	etcdAdapter, err := etcdstoreadapter.New(etcdOptions, workPool)

	if err != nil {
		logger.Fatal("failed-to-construct-etcd-tls-client", err)
	}

	client, err := consuladapter.NewClient(*consulCluster)
	if err != nil {
		logger.Fatal("new-client-failed", err)
	}

	sessionMgr := consuladapter.NewSessionManager(client)
	consulSession, err := consuladapter.NewSession("receptor", *lockTTL, client, sessionMgr)
	if err != nil {
		logger.Fatal("consul-session-failed", err)
	}

	return Bbs.NewReceptorBBS(etcdAdapter, consulSession, *taskHandlerAddress, clock.NewClock(), logger)
}

func (coordinator *MCATCoordinator) StartETCD() {
	etcdPort := 5000 + (coordinator.ParallelNode-1)*10
	coordinator.StoreRunner = etcdstorerunner.NewETCDClusterRunner(etcdPort, 1, nil)
	coordinator.StoreRunner.Start()

	pool, err := workpool.NewWorkPool(coordinator.Conf.StoreMaxConcurrentRequests)
	Expect(err).NotTo(HaveOccurred())

	coordinator.StoreAdapter, err = etcdstoreadapter.New(&etcdstoreadapter.ETCDOptions{ClusterUrls: coordinator.StoreRunner.NodeURLS()}, pool)
	Expect(err).NotTo(HaveOccurred())
	err = coordinator.StoreAdapter.Connect()
	Expect(err).NotTo(HaveOccurred())
}

func NewETCD(nodeURLs []string, maxWorkers uint) (*etcd, error) {
	workpool, err := workpool.NewWorkPool(int(maxWorkers))
	if err != nil {
		return nil, err
	}

	storeAdapter, err := etcdstoreadapter.New(&etcdstoreadapter.ETCDOptions{ClusterUrls: nodeURLs}, workpool)
	if err != nil {
		return nil, err
	}
	return &etcd{
		storeAdapter: storeAdapter,
	}, nil
}

func defaultStoreAdapterProvider(urls []string, concurrentRequests int) storeadapter.StoreAdapter {
	workPool, err := workpool.NewWorkPool(concurrentRequests)
	if err != nil {
		panic(err)
	}
	options := &etcdstoreadapter.ETCDOptions{
		ClusterUrls: urls,
	}
	etcdStoreAdapter, err := etcdstoreadapter.New(options, workPool)
	if err != nil {
		panic(err)
	}
	return etcdStoreAdapter
}

func storeAdapterProvider(urls []string, concurrentRequests int) (storeadapter.StoreAdapter, error) {
	workPool, err := workpool.NewWorkPool(concurrentRequests)
	if err != nil {
		return nil, err
	}

	options := &etcdstoreadapter.ETCDOptions{
		ClusterUrls: urls,
	}
	etcdAdapter, err := etcdstoreadapter.New(options, workPool)
	if err != nil {
		return nil, err
	}

	return etcdAdapter, nil
}

func (etcd *ETCDClusterRunner) newAdapter(clientSSL *SSLConfig) storeadapter.StoreAdapter {
	pool, err := workpool.NewWorkPool(10)
	Expect(err).NotTo(HaveOccurred())

	options := &etcdstoreadapter.ETCDOptions{
		ClusterUrls: etcd.NodeURLS(),
		IsSSL:       false,
	}

	if clientSSL != nil {
		options.CertFile = clientSSL.CertFile
		options.KeyFile = clientSSL.KeyFile
		options.CAFile = clientSSL.CAFile
		options.IsSSL = true
	}

	adapter, err := etcdstoreadapter.New(options, pool)
	Expect(err).NotTo(HaveOccurred())
	return adapter
}

func defaultStoreAdapterProvider(conf *config.Config) storeadapter.StoreAdapter {
	workPool, err := workpool.NewWorkPool(conf.EtcdMaxConcurrentRequests)
	if err != nil {
		panic(err)
	}
	options := &etcdstoreadapter.ETCDOptions{
		ClusterUrls: conf.EtcdUrls,
	}
	if conf.EtcdRequireTLS {
		options.IsSSL = true
		options.CertFile = conf.EtcdTLSClientConfig.CertFile
		options.KeyFile = conf.EtcdTLSClientConfig.KeyFile
		options.CAFile = conf.EtcdTLSClientConfig.CAFile
	}
	etcdStoreAdapter, err := etcdstoreadapter.New(options, workPool)
	if err != nil {
		panic(err)
	}
	return etcdStoreAdapter
}

			updateNode   storeadapter.StoreNode

			updateCallback func(all map[string]string, preferred map[string]string)
			callbackCount  *int32

			preferredCallback func(key string) bool
			preferredCount    *int32
		)

		BeforeEach(func() {
			workPool, err := workpool.NewWorkPool(10)
			Expect(err).NotTo(HaveOccurred())
			options := &etcdstoreadapter.ETCDOptions{
				ClusterUrls: etcdRunner.NodeURLS(),
			}
			storeAdapter, err = etcdstoreadapter.New(options, workPool)
			Expect(err).NotTo(HaveOccurred())

			err = storeAdapter.Connect()
			Expect(err).NotTo(HaveOccurred())

			node = storeadapter.StoreNode{
				Key:   dopplerservice.LEGACY_ROOT + "/z1/loggregator_z1/0",
				Value: []byte("10.0.0.1"),
			}

			callbackCount = new(int32)
			count := callbackCount
			updateCallback = func(a map[string]string, p map[string]string) {
				atomic.AddInt32(count, 1)
			}

		store        Store
		storeAdapter storeadapter.StoreAdapter
		conf         *config.Config
		app1         appfixture.AppFixture
		app2         appfixture.AppFixture
		app3         appfixture.AppFixture
	)

	BeforeEach(func() {
		var err error
		conf, err = config.DefaultConfig()
		Expect(err).NotTo(HaveOccurred())
		wpool, err := workpool.NewWorkPool(conf.StoreMaxConcurrentRequests)
		Expect(err).NotTo(HaveOccurred())
		storeAdapter, err = etcdstoreadapter.New(
			&etcdstoreadapter.ETCDOptions{ClusterUrls: etcdRunner.NodeURLS()},
			wpool,
		)
		Expect(err).NotTo(HaveOccurred())
		err = storeAdapter.Connect()
		Expect(err).NotTo(HaveOccurred())

		app1 = appfixture.NewAppFixture()
		app2 = appfixture.NewAppFixture()
		app3 = appfixture.NewAppFixture()

		store = NewStore(conf, storeAdapter, fakelogger.NewFakeLogger())
	})

	AfterEach(func() {
		storeAdapter.Disconnect()
	})

func main() {
	flag.Parse()
	config, err := parseConfig(*debug, *configFile, *logFilePath)
	if err != nil {
		panic(err)
	}
	log := logger.NewLogger(*debug, *logFilePath, "syslog_drain_binder", config.Syslog)

	dropsonde.Initialize(config.MetronAddress, "syslog_drain_binder")

	workPool, err := workpool.NewWorkPool(config.EtcdMaxConcurrentRequests)
	if err != nil {
		panic(err)
	}

	options := &etcdstoreadapter.ETCDOptions{
		ClusterUrls: config.EtcdUrls,
	}
	adapter, err := etcdstoreadapter.New(options, workPool)
	if err != nil {
		panic(err)
	}

	updateInterval := time.Duration(config.UpdateIntervalSeconds) * time.Second
	politician := elector.NewElector(config.InstanceName, adapter, updateInterval, log)

	drainTTL := time.Duration(config.DrainUrlTtlSeconds) * time.Second
	store := etcd_syslog_drain_store.NewEtcdSyslogDrainStore(adapter, drainTTL, log)

	dumpChan := registerGoRoutineDumpSignalChannel()
	ticker := time.NewTicker(updateInterval)
	for {
		select {
		case <-dumpChan:
			logger.DumpGoRoutine()
		case <-ticker.C:
			if politician.IsLeader() {
				err = politician.StayAsLeader()
				if err != nil {
					log.Errorf("Error when staying leader: %s", err.Error())
					politician.Vacate()
					continue
				}
			} else {
				err = politician.RunForElection()

				if err != nil {
					log.Errorf("Error when running for leader: %s", err.Error())
					politician.Vacate()
					continue
				}
			}

			log.Debugf("Polling %s for updates", config.CloudControllerAddress)
			drainUrls, err := Poll(config.CloudControllerAddress, config.BulkApiUsername, config.BulkApiPassword, config.PollingBatchSize, config.SkipCertVerify)
			if err != nil {
				log.Errorf("Error when polling cloud controller: %s", err.Error())
				politician.Vacate()
				continue
			}

			metrics.IncrementCounter("pollCount")

			var totalDrains int
			for _, drainList := range drainUrls {
				totalDrains += len(drainList)
			}

			metrics.SendValue("totalDrains", float64(totalDrains), "drains")

			log.Debugf("Updating drain URLs for %d application(s)", len(drainUrls))
			err = store.UpdateDrains(drainUrls)
			if err != nil {
				log.Errorf("Error when updating ETCD: %s", err.Error())
				politician.Vacate()
				continue
			}
		}
	}
}