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Golang app.AcquireApplicationLock函數代碼示例

本文整理匯總了Golang中github.com/tsuru/tsuru/app.AcquireApplicationLock函數的典型用法代碼示例。如果您正苦於以下問題：Golang AcquireApplicationLock函數的具體用法？Golang AcquireApplicationLock怎麽用？Golang AcquireApplicationLock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AcquireApplicationLock函數的8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: swap

func swap(w http.ResponseWriter, r *http.Request, t auth.Token) error {
	u, err := t.User()
	if err != nil {
		return err
	}
	app1Name := r.URL.Query().Get("app1")
	app2Name := r.URL.Query().Get("app2")
	locked1, err := app.AcquireApplicationLock(app1Name, t.GetUserName(), "/swap")
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app1Name)
	locked2, err := app.AcquireApplicationLock(app2Name, t.GetUserName(), "/swap")
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app2Name)
	app1, err := getApp(app1Name, u)
	if err != nil {
		return err
	}
	if !locked1 {
		return &errors.HTTP{Code: http.StatusConflict, Message: fmt.Sprintf("%s: %s", app1.Name, &app1.Lock)}
	}
	app2, err := getApp(app2Name, u)
	if err != nil {
		return err
	}
	if !locked2 {
		return &errors.HTTP{Code: http.StatusConflict, Message: fmt.Sprintf("%s: %s", app2.Name, &app2.Lock)}
	}
	rec.Log(u.Email, "swap", app1Name, app2Name)
	return app.Swap(&app1, &app2)
}
開發者ID:WIZARD-CXY，項目名稱:golang-devops-stuff，代碼行數:34，代碼來源:app.go

示例2: runningContainersByNode

func (p *dockerProvisioner) runningContainersByNode(nodes []*cluster.Node) (map[string][]container.Container, error) {
	appNames, err := p.listAppsForNodes(nodes)
	if err != nil {
		return nil, err
	}
	for _, appName := range appNames {
		locked, err := app.AcquireApplicationLock(appName, app.InternalAppName, "node auto scale")
		if err != nil {
			return nil, err
		}
		if !locked {
			return nil, fmt.Errorf("unable to lock app %s, aborting", appName)
		}
		defer app.ReleaseApplicationLock(appName)
	}
	result := map[string][]container.Container{}
	for _, n := range nodes {
		nodeConts, err := p.listRunningContainersByHost(urlToHost(n.Address))
		if err != nil {
			return nil, err
		}
		result[n.Address] = nodeConts
	}
	return result, nil
}
開發者ID:nicolas2bonfils，項目名稱:tsuru，代碼行數:25，代碼來源:auto_scale.go

示例3: TestRoutesRebuildOrEnqueueLocked

func (s *S) TestRoutesRebuildOrEnqueueLocked(c *check.C) {
	err := s.p.Initialize()
	c.Assert(err, check.IsNil)
	coll := s.storage.Apps()
	a := &app.App{
		Name:     "almah",
		Platform: "static",
	}
	err = coll.Insert(a)
	c.Assert(err, check.IsNil)
	locked, err := app.AcquireApplicationLock(a.Name, "me", "mine")
	c.Assert(err, check.IsNil)
	c.Assert(locked, check.Equals, true)
	err = s.p.Provision(a)
	c.Assert(err, check.IsNil)
	invalidAddr, err := url.Parse("http://invalid.addr")
	c.Assert(err, check.IsNil)
	err = routertest.FakeRouter.AddRoute(a.GetName(), invalidAddr)
	c.Assert(err, check.IsNil)
	lockedRoutesRebuildOrEnqueue(a.GetName())
	c.Assert(routertest.FakeRouter.HasRoute(a.GetName(), invalidAddr.String()), check.Equals, true)
	app.ReleaseApplicationLock(a.Name)
	err = queue.TestingWaitQueueTasks(1, 10*time.Second)
	c.Assert(err, check.IsNil)
	c.Assert(routertest.FakeRouter.HasRoute(a.GetName(), invalidAddr.String()), check.Equals, false)
}
開發者ID:zhenruyan，項目名稱:tsuru，代碼行數:26，代碼來源:task_test.go

示例4: swap

func swap(w http.ResponseWriter, r *http.Request, t auth.Token) error {
	u, err := t.User()
	if err != nil {
		return err
	}
	app1Name := r.URL.Query().Get("app1")
	app2Name := r.URL.Query().Get("app2")
	forceSwap := r.URL.Query().Get("force")
	if forceSwap == "" {
		forceSwap = "false"
	}
	locked1, err := app.AcquireApplicationLock(app1Name, t.GetUserName(), "/swap")
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app1Name)
	locked2, err := app.AcquireApplicationLock(app2Name, t.GetUserName(), "/swap")
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app2Name)
	app1, err := getApp(app1Name, u)
	if err != nil {
		return err
	}
	if !locked1 {
		return &errors.HTTP{Code: http.StatusConflict, Message: fmt.Sprintf("%s: %s", app1.Name, &app1.Lock)}
	}
	app2, err := getApp(app2Name, u)
	if err != nil {
		return err
	}
	if !locked2 {
		return &errors.HTTP{Code: http.StatusConflict, Message: fmt.Sprintf("%s: %s", app2.Name, &app2.Lock)}
	}
	// compare apps by platform type and number of units
	if forceSwap == "false" && ((len(app1.Units()) != len(app2.Units())) || (app1.Platform != app2.Platform)) {
		return app.ErrAppNotEqual
	}
	rec.Log(u.Email, "swap", app1Name, app2Name)
	return app.Swap(&app1, &app2)
}
開發者ID:rualatngua，項目名稱:tsuru，代碼行數:42，代碼來源:app.go

示例5: lock

func (l *appLocker) lock(appName string) bool {
	appDBMutex.Lock()
	defer appDBMutex.Unlock()
	if l.refCount == nil {
		l.refCount = make(map[string]int)
	}
	if l.refCount[appName] > 0 {
		l.refCount[appName]++
		return true
	}
	ok, err := app.AcquireApplicationLock(appName, app.InternalAppName, "container-move")
	if err != nil || !ok {
		return false
	}
	l.refCount[appName]++
	return true
}
開發者ID:ningjh，項目名稱:tsuru，代碼行數:17，代碼來源:containers.go

示例6: TestRoutesRebuildOrEnqueueLocked

func (s *S) TestRoutesRebuildOrEnqueueLocked(c *check.C) {
	a := &app.App{
		Name:      "almah",
		Platform:  "static",
		TeamOwner: s.team.Name,
	}
	err := app.CreateApp(a, s.user)
	c.Assert(err, check.IsNil)
	locked, err := app.AcquireApplicationLock(a.Name, "me", "mine")
	c.Assert(err, check.IsNil)
	c.Assert(locked, check.Equals, true)
	invalidAddr, err := url.Parse("http://invalid.addr")
	c.Assert(err, check.IsNil)
	err = routertest.FakeRouter.AddRoute(a.GetName(), invalidAddr)
	c.Assert(err, check.IsNil)
	rebuild.LockedRoutesRebuildOrEnqueue(a.GetName())
	c.Assert(routertest.FakeRouter.HasRoute(a.GetName(), invalidAddr.String()), check.Equals, true)
	app.ReleaseApplicationLock(a.Name)
	err = queue.TestingWaitQueueTasks(1, 10*time.Second)
	c.Assert(err, check.IsNil)
	c.Assert(routertest.FakeRouter.HasRoute(a.GetName(), invalidAddr.String()), check.Equals, false)
}
開發者ID:tsuru，項目名稱:tsuru，代碼行數:22，代碼來源:task_test.go

示例7: runRoutesRebuildOnce

func runRoutesRebuildOnce(appName string, lock bool) bool {
	if lock {
		locked, err := app.AcquireApplicationLock(appName, app.InternalAppName, "rebuild-routes-task")
		if err != nil || !locked {
			return false
		}
		defer app.ReleaseApplicationLock(appName)
	}
	a, err := app.GetByName(appName)
	if err == app.ErrAppNotFound {
		return true
	}
	if err != nil {
		log.Errorf("[routes-rebuild-task] error getting app: %s", err)
		return false
	}
	_, err = a.RebuildRoutes()
	if err != nil {
		log.Errorf("[routes-rebuild-task] error rebuilding: %s", err)
		return false
	}
	return true
}
開發者ID:zhenruyan，項目名稱:tsuru，代碼行數:23，代碼來源:task.go

示例8: ServeHTTP

func (m *appLockMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
	if r.Method == "GET" {
		next(w, r)
		return
	}
	currentHandler := context.GetDelayedHandler(r)
	if currentHandler != nil {
		currentHandlerPtr := reflect.ValueOf(currentHandler).Pointer()
		for _, h := range m.excludedHandlers {
			if reflect.ValueOf(h).Pointer() == currentHandlerPtr {
				next(w, r)
				return
			}
		}
	}
	appName := r.URL.Query().Get(":app")
	if appName == "" {
		appName = r.URL.Query().Get(":appname")
	}
	if appName == "" {
		next(w, r)
		return
	}
	t := context.GetAuthToken(r)
	var owner string
	if t != nil {
		if t.IsAppToken() {
			owner = t.GetAppName()
		} else {
			owner = t.GetUserName()
		}
	}
	ok, err := app.AcquireApplicationLock(appName, owner, fmt.Sprintf("%s %s", r.Method, r.URL.Path))
	if err != nil {
		context.AddRequestError(r, fmt.Errorf("Error trying to acquire application lock: %s", err))
		return
	}
	if ok {
		defer func() {
			if !context.IsPreventUnlock(r) {
				app.ReleaseApplicationLock(appName)
			}
		}()
		next(w, r)
		return
	}
	a, err := app.GetByName(appName)
	httpErr := &errors.HTTP{Code: http.StatusInternalServerError}
	if err != nil {
		if err == app.ErrAppNotFound {
			httpErr.Code = http.StatusNotFound
			httpErr.Message = err.Error()
		} else {
			httpErr.Message = fmt.Sprintf("Error to get application: %s", err)
		}
	} else {
		httpErr.Code = http.StatusConflict
		if a.Lock.Locked {
			httpErr.Message = fmt.Sprintf("%s", &a.Lock)
		} else {
			httpErr.Message = "Not locked anymore, please try again."
		}
	}
	context.AddRequestError(r, httpErr)
}
開發者ID:WIZARD-CXY，項目名稱:golang-devops-stuff，代碼行數:65，代碼來源:middleware.go


注：本文中的github.com/tsuru/tsuru/app.AcquireApplicationLock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。