Golang leaderlease.NewEtcd函數代碼示例

本文整理匯總了Golang中github.com/openshift/origin/pkg/util/leaderlease.NewEtcd函數的典型用法代碼示例。如果您正苦於以下問題：Golang NewEtcd函數的具體用法？Golang NewEtcd怎麽用？Golang NewEtcd使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。

在下文中一共展示了NewEtcd函數的9個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: TestLeaderLeaseSwapWhileWaiting

func TestLeaderLeaseSwapWhileWaiting(t *testing.T) {
	testutil.RequireEtcd(t)
	client := testutil.NewEtcdClient()
	key := "/random/key"

	if _, err := client.Create(key, "holder", 10); err != nil {
		t.Fatal(err)
	}

	go func() {
		time.Sleep(time.Second)
		if _, err := client.Set(key, "other", 10); err != nil {
			t.Fatal(err)
		}
		glog.Infof("Changed key ownership")
	}()

	lease := leaderlease.NewEtcd(client, key, "other", 10)
	ch := make(chan struct{})
	go lease.AcquireAndHold(ch)

	<-ch
	glog.Infof("Lease acquired")
	lease.Release()
	<-ch
	glog.Infof("Lease gone")
}

開發者ID:RomainVabre，項目名稱:origin，代碼行數:27，代碼來源:leaderlease_test.go

示例2: TestLeaderLeaseSwapWhileWaiting

func TestLeaderLeaseSwapWhileWaiting(t *testing.T) {
	testutil.RequireEtcd(t)
	defer testutil.DumpEtcdOnFailure(t)
	c, err := testutil.MakeNewEtcdClient()
	if err != nil {
		t.Fatal(err)
	}
	client := etcdclient.NewKeysAPI(c)
	key := "/random/key"

	if _, err := client.Set(context.Background(), key, "holder", &etcdclient.SetOptions{TTL: 10 * time.Second, PrevExist: etcdclient.PrevNoExist}); err != nil {
		t.Fatal(err)
	}

	go func() {
		time.Sleep(time.Second)
		if _, err := client.Set(context.Background(), key, "other", &etcdclient.SetOptions{TTL: 10 * time.Second}); err != nil {
			t.Fatal(err)
		}
		glog.Infof("Changed key ownership")
	}()

	lease := leaderlease.NewEtcd(c, key, "other", 10)
	ch := make(chan error, 1)
	go lease.AcquireAndHold(ch)

	<-ch
	glog.Infof("Lease acquired")
	lease.Release()
	if err, ok := <-ch; err == nil || !ok || !strings.Contains(err.Error(), "the lease has been lost") {
		t.Errorf("Expected error and open channel when lease was swapped: %v %t", err, ok)
	}
	<-ch
	glog.Infof("Lease gone")
}

開發者ID:juanluisvaladas，項目名稱:origin，代碼行數:35，代碼來源:leaderlease_test.go

示例3: TestLeaderLeaseAcquire

func TestLeaderLeaseAcquire(t *testing.T) {
	testutil.RequireEtcd(t)
	client := testutil.NewEtcdClient()

	key := "/random/key"
	held := make(chan struct{})
	go func() {
		<-held
		if _, err := client.Delete(key, false); err != nil {
			t.Fatal(err)
		}
		glog.Infof("Deleted key")
	}()

	lease := leaderlease.NewEtcd(client, key, "holder", 10)
	ch := make(chan struct{})
	go lease.AcquireAndHold(ch)

	<-ch
	glog.Infof("Lease acquired")
	close(held)
	<-ch
	glog.Infof("Lease lost")

	select {
	case _, ok := <-held:
		if ok {
			t.Error("did not acquire the lease")
		}
	default:
		t.Error("lease is still open")
	}
}

開發者ID:RomainVabre，項目名稱:origin，代碼行數:33，代碼來源:leaderlease_test.go

示例4: TestLeaderLeaseSwapWhileWaiting

func TestLeaderLeaseSwapWhileWaiting(t *testing.T) {
	testutil.RequireEtcd(t)
	defer testutil.DumpEtcdOnFailure(t)
	client := testutil.NewEtcdClient()
	key := "/random/key"

	if _, err := client.Create(key, "holder", 10); err != nil {
		t.Fatal(err)
	}

	go func() {
		time.Sleep(time.Second)
		if _, err := client.Set(key, "other", 10); err != nil {
			t.Fatal(err)
		}
		glog.Infof("Changed key ownership")
	}()

	lease := leaderlease.NewEtcd(client, key, "other", 10)
	ch := make(chan error, 1)
	go lease.AcquireAndHold(ch)

	<-ch
	glog.Infof("Lease acquired")
	lease.Release()
	if err, ok := <-ch; err == nil || !ok || !strings.Contains(err.Error(), "the lease has been lost") {
		t.Errorf("Expected error and open channel when lease was swapped: %v %t", err, ok)
	}
	<-ch
	glog.Infof("Lease gone")
}

開發者ID:Xmagicer，項目名稱:origin，代碼行數:31，代碼來源:leaderlease_test.go

示例5: TestLeaderLeaseWait

func TestLeaderLeaseWait(t *testing.T) {
	testutil.RequireEtcd(t)
	defer testutil.DumpEtcdOnFailure(t)
	c, err := testutil.MakeNewEtcdClient()
	if err != nil {
		t.Fatal(err)
	}
	client := etcdclient.NewKeysAPI(c)
	key := "/random/key"

	if _, err := client.Set(context.Background(), key, "other", &etcdclient.SetOptions{TTL: time.Second, PrevExist: etcdclient.PrevNoExist}); err != nil {
		t.Fatal(err)
	}

	held := make(chan struct{})
	go func() {
		<-held
		if _, err := client.Delete(context.Background(), key, nil); err != nil {
			t.Fatal(err)
		}
		glog.Infof("Deleted key")
	}()

	lease := leaderlease.NewEtcd(c, key, "holder", 10)
	ch := make(chan error, 1)
	go lease.AcquireAndHold(ch)

	<-ch
	glog.Infof("Lease acquired")
	close(held)
	if err, ok := <-ch; err == nil || !ok || !strings.Contains(err.Error(), "the lease has been lost") {
		t.Errorf("Expected error and open channel when lease was swapped: %v %t", err, ok)
	}
	<-ch
	glog.Infof("Lease lost")

	select {
	case _, ok := <-held:
		if ok {
			t.Error("did not acquire the lease")
		}
	default:
		t.Error("lease is still open")
	}
}

開發者ID:juanluisvaladas，項目名稱:origin，代碼行數:45，代碼來源:leaderlease_test.go

示例6: TestLeaderLeaseReacquire

func TestLeaderLeaseReacquire(t *testing.T) {
	testutil.RequireEtcd(t)
	defer testutil.DumpEtcdOnFailure(t)
	c, err := testutil.MakeNewEtcdClient()
	if err != nil {
		t.Fatal(err)
	}
	client := etcdclient.NewKeysAPI(c)
	key := "/random/key"

	if _, err := client.Set(context.Background(), key, "holder", &etcdclient.SetOptions{TTL: time.Second, PrevExist: etcdclient.PrevNoExist}); err != nil {
		t.Fatal(err)
	}

	held := make(chan struct{})
	go func() {
		<-held
		if _, err := client.Delete(context.Background(), key, nil); err != nil {
			t.Fatal(err)
		}
		glog.Infof("Deleted key")
	}()

	lease := leaderlease.NewEtcd(c, key, "holder", 1)
	ch := make(chan error, 1)
	go lease.AcquireAndHold(ch)

	<-ch
	glog.Infof("Lease acquired")
	time.Sleep(2 * time.Second)
	close(held)
	<-ch
	glog.Infof("Lease lost")

	select {
	case _, ok := <-held:
		if ok {
			t.Error("did not acquire the lease")
		}
	default:
		t.Error("lease is still open")
	}
}

開發者ID:juanluisvaladas，項目名稱:origin，代碼行數:43，代碼來源:leaderlease_test.go

示例7: newControllerPlug

func newControllerPlug(options configapi.MasterConfig, client *etcdclient.Client) (plug.Plug, func()) {
	switch {
	case options.ControllerLeaseTTL > 0:
		// TODO: replace with future API for leasing from Kube
		id := fmt.Sprintf("master-%s", kutilrand.String(8))
		leaser := leaderlease.NewEtcd(
			client,
			path.Join(options.EtcdStorageConfig.OpenShiftStoragePrefix, "leases/controllers"),
			id,
			uint64(options.ControllerLeaseTTL),
		)
		leased := plug.NewLeased(leaser)
		return leased, func() {
			glog.V(2).Infof("Attempting to acquire controller lease as %s, renewing every %d seconds", id, options.ControllerLeaseTTL)
			go leased.Run()
		}
	default:
		return plug.New(!options.PauseControllers), func() {}
	}
}

開發者ID:jhadvig，項目名稱:origin，代碼行數:20，代碼來源:master_config.go

示例8: TestLeaderLeaseWait

func TestLeaderLeaseWait(t *testing.T) {
	testutil.RequireEtcd(t)
	defer testutil.DumpEtcdOnFailure(t)
	client := testutil.NewEtcdClient()
	key := "/random/key"

	if _, err := client.Create(key, "other", 1); err != nil {
		t.Fatal(err)
	}

	held := make(chan struct{})
	go func() {
		<-held
		if _, err := client.Delete(key, false); err != nil {
			t.Fatal(err)
		}
		glog.Infof("Deleted key")
	}()

	lease := leaderlease.NewEtcd(client, key, "holder", 10)
	ch := make(chan error, 1)
	go lease.AcquireAndHold(ch)

	<-ch
	glog.Infof("Lease acquired")
	close(held)
	if err, ok := <-ch; err == nil || !ok || !strings.Contains(err.Error(), "the lease has been lost") {
		t.Errorf("Expected error and open channel when lease was swapped: %v %t", err, ok)
	}
	<-ch
	glog.Infof("Lease lost")

	select {
	case _, ok := <-held:
		if ok {
			t.Error("did not acquire the lease")
		}
	default:
		t.Error("lease is still open")
	}
}

開發者ID:Xmagicer，項目名稱:origin，代碼行數:41，代碼來源:leaderlease_test.go

示例9: TestLeaderLeaseReacquire

func TestLeaderLeaseReacquire(t *testing.T) {
	util.DeleteAllEtcdKeys()
	client := util.NewEtcdClient()
	key := "/random/key"

	if _, err := client.Create(key, "holder", 1); err != nil {
		t.Fatal(err)
	}

	held := make(chan struct{})
	go func() {
		<-held
		if _, err := client.Delete(key, false); err != nil {
			t.Fatal(err)
		}
		glog.Infof("Deleted key")
	}()

	lease := leaderlease.NewEtcd(client, key, "holder", 1)
	ch := make(chan struct{})
	go lease.AcquireAndHold(ch)

	<-ch
	glog.Infof("Lease acquired")
	time.Sleep(2 * time.Second)
	close(held)
	<-ch
	glog.Infof("Lease lost")

	select {
	case _, ok := <-held:
		if ok {
			t.Error("did not acquire the lease")
		}
	default:
		t.Error("lease is still open")
	}
}

開發者ID:johnmccawley，項目名稱:origin，代碼行數:38，代碼來源:leaderlease_test.go

注：本文中的github.com/openshift/origin/pkg/util/leaderlease.NewEtcd函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。