Golang leaderlease.NewEtcd函数代码示例

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本文整理汇总了Golang中github.com/openshift/origin/pkg/util/leaderlease.NewEtcd函数的典型用法代码示例。如果您正苦于以下问题：Golang NewEtcd函数的具体用法？Golang NewEtcd怎么用？Golang NewEtcd使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了NewEtcd函数的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

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")
}

开发者ID:RomainVabre，项目名称:origin，代码行数:27，代码来源: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")
}

开发者ID:juanluisvaladas，项目名称:origin，代码行数:35，代码来源: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")
	}
}

开发者ID:RomainVabre，项目名称:origin，代码行数:33，代码来源: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")
}

开发者ID:Xmagicer，项目名称:origin，代码行数:31，代码来源: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")
	}
}

开发者ID:juanluisvaladas，项目名称:origin，代码行数:45，代码来源: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")
	}
}

开发者ID:juanluisvaladas，项目名称:origin，代码行数:43，代码来源: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() {}
	}
}

开发者ID:jhadvig，项目名称:origin，代码行数:20，代码来源: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")
	}
}

开发者ID:Xmagicer，项目名称:origin，代码行数:41，代码来源: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")
	}
}

开发者ID:johnmccawley，项目名称:origin，代码行数:38，代码来源:leaderlease_test.go

注：本文中的github.com/openshift/origin/pkg/util/leaderlease.NewEtcd函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。