Golang Swap Examples

Example #1

File: app.go Project: WIZARD-CXY/golang-devops-stuff

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)
}

Example #2

File: app.go Project: renanoliveira/tsuru

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")
	app1, err := getApp(app1Name, u)
	if err != nil {
		return err
	}
	app2, err := getApp(app2Name, u)
	if err != nil {
		return err
	}
	rec.Log(u.Email, "swap", app1Name, app2Name)
	return app.Swap(&app1, &app2)
}

Example #3

File: app.go Project: rualatngua/tsuru

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)
}

Example #4

File: app.go Project: tsuru/tsuru

// title: app swap
// path: /swap
// method: POST
// consume: application/x-www-form-urlencoded
// responses:
//   200: Ok
//   400: Invalid data
//   401: Unauthorized
//   404: App not found
//   409: App locked
//   412: Number of units or platform don't match
func swap(w http.ResponseWriter, r *http.Request, t auth.Token) (err error) {
	app1Name := r.FormValue("app1")
	app2Name := r.FormValue("app2")
	forceSwap := r.FormValue("force")
	cnameOnly, _ := strconv.ParseBool(r.FormValue("cnameOnly"))
	if forceSwap == "" {
		forceSwap = "false"
	}
	locked1, err := app.AcquireApplicationLockWait(app1Name, t.GetUserName(), "/swap", lockWaitDuration)
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app1Name)
	locked2, err := app.AcquireApplicationLockWait(app2Name, t.GetUserName(), "/swap", lockWaitDuration)
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app2Name)
	app1, err := getApp(app1Name)
	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)
	if err != nil {
		return err
	}
	if !locked2 {
		return &errors.HTTP{Code: http.StatusConflict, Message: fmt.Sprintf("%s: %s", app2.Name, &app2.Lock)}
	}
	allowed1 := permission.Check(t, permission.PermAppUpdateSwap,
		contextsForApp(app1)...,
	)
	allowed2 := permission.Check(t, permission.PermAppUpdateSwap,
		contextsForApp(app2)...,
	)
	if !allowed1 || !allowed2 {
		return permission.ErrUnauthorized
	}
	evt1, err := event.New(&event.Opts{
		Target:     appTarget(app1Name),
		Kind:       permission.PermAppUpdateSwap,
		Owner:      t,
		CustomData: event.FormToCustomData(r.Form),
		Allowed:    event.Allowed(permission.PermAppReadEvents, contextsForApp(app1)...),
	})
	if err != nil {
		return err
	}
	evt2, err := event.New(&event.Opts{
		Target:     appTarget(app2Name),
		Kind:       permission.PermAppUpdateSwap,
		Owner:      t,
		CustomData: event.FormToCustomData(r.Form),
		Allowed:    event.Allowed(permission.PermAppReadEvents, contextsForApp(app2)...),
	})
	if err != nil {
		return err
	}
	defer func() { evt1.Done(err); evt2.Done(err) }()
	// compare apps by platform type and number of units
	if forceSwap == "false" {
		if app1.Platform != app2.Platform {
			return &errors.HTTP{
				Code:    http.StatusPreconditionFailed,
				Message: "platforms don't match",
			}
		}
		app1Units, err := app1.Units()
		if err != nil {
			return err
		}
		app2Units, err := app2.Units()
		if err != nil {
			return err
		}
		if len(app1Units) != len(app2Units) {
			return &errors.HTTP{
				Code:    http.StatusPreconditionFailed,
				Message: "number of units doesn't match",
			}
		}
	}
	return app.Swap(app1, app2, cnameOnly)
}

Example #5

File: app.go Project: edulemasson/tsuru

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.AcquireApplicationLockWait(app1Name, t.GetUserName(), "/swap", lockWaitDuration)
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app1Name)
	locked2, err := app.AcquireApplicationLockWait(app2Name, t.GetUserName(), "/swap", lockWaitDuration)
	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" {
		if app1.Platform != app2.Platform {
			return &errors.HTTP{
				Code:    http.StatusPreconditionFailed,
				Message: "platforms don't match",
			}
		}
		app1Units, err := app1.Units()
		if err != nil {
			return err
		}
		app2Units, err := app2.Units()
		if err != nil {
			return err
		}
		if len(app1Units) != len(app2Units) {
			return &errors.HTTP{
				Code:    http.StatusPreconditionFailed,
				Message: "number of units doesn't match",
			}
		}
	}
	rec.Log(u.Email, "swap", "app1="+app1Name, "app2="+app2Name)
	return app.Swap(app1, app2)
}

Example #6

File: app.go Project: RichardKnop/tsuru

func swap(w http.ResponseWriter, r *http.Request, t auth.Token) error {
	getApp := func(name string, u *auth.User, r *http.Request) (app.App, error) {
		a, err := app.GetByName(name)
		if err != nil {
			return app.App{}, &errors.HTTP{Code: http.StatusNotFound, Message: fmt.Sprintf("App %s not found.", name)}
		}
		if u == nil || u.IsAdmin() {
			return *a, nil
		}
		if !auth.CheckUserAccess(a.Teams, u) {
			return *a, &errors.HTTP{Code: http.StatusForbidden, Message: "user does not have access to this app"}
		}
		return *a, nil
	}
	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.AcquireApplicationLockWait(app1Name, t.GetUserName(), "/swap", lockWaitDuration)
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app1Name)
	locked2, err := app.AcquireApplicationLockWait(app2Name, t.GetUserName(), "/swap", lockWaitDuration)
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app2Name)

	app1, err := getApp(app1Name, u, r)
	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, r)
	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" {
		if app1.Platform != app2.Platform {
			return &errors.HTTP{
				Code:    http.StatusPreconditionFailed,
				Message: "platforms don't match",
			}
		}
		if len(app1.Units()) != len(app2.Units()) {
			return &errors.HTTP{
				Code:    http.StatusPreconditionFailed,
				Message: "number of units doesn't match",
			}
		}
	}
	rec.Log(u.Email, "swap", "app1="+app1Name, "app2="+app2Name)
	return app.Swap(&app1, &app2)
}

Example #7

File: app.go Project: pedrosnk/tsuru

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")
	cnameOnly, _ := strconv.ParseBool(r.URL.Query().Get("cnameOnly"))
	if forceSwap == "" {
		forceSwap = "false"
	}
	locked1, err := app.AcquireApplicationLockWait(app1Name, t.GetUserName(), "/swap", lockWaitDuration)
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app1Name)
	locked2, err := app.AcquireApplicationLockWait(app2Name, t.GetUserName(), "/swap", lockWaitDuration)
	if err != nil {
		return err
	}
	defer app.ReleaseApplicationLock(app2Name)
	app1, err := getApp(app1Name)
	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)
	if err != nil {
		return err
	}
	if !locked2 {
		return &errors.HTTP{Code: http.StatusConflict, Message: fmt.Sprintf("%s: %s", app2.Name, &app2.Lock)}
	}
	allowed1 := permission.Check(t, permission.PermAppUpdateSwap,
		append(permission.Contexts(permission.CtxTeam, app1.Teams),
			permission.Context(permission.CtxApp, app1.Name),
			permission.Context(permission.CtxPool, app1.Pool),
		)...,
	)
	allowed2 := permission.Check(t, permission.PermAppUpdateSwap,
		append(permission.Contexts(permission.CtxTeam, app2.Teams),
			permission.Context(permission.CtxApp, app2.Name),
			permission.Context(permission.CtxPool, app2.Pool),
		)...,
	)
	if !allowed1 || !allowed2 {
		return permission.ErrUnauthorized
	}
	// compare apps by platform type and number of units
	if forceSwap == "false" {
		if app1.Platform != app2.Platform {
			return &errors.HTTP{
				Code:    http.StatusPreconditionFailed,
				Message: "platforms don't match",
			}
		}
		app1Units, err := app1.Units()
		if err != nil {
			return err
		}
		app2Units, err := app2.Units()
		if err != nil {
			return err
		}
		if len(app1Units) != len(app2Units) {
			return &errors.HTTP{
				Code:    http.StatusPreconditionFailed,
				Message: "number of units doesn't match",
			}
		}
	}
	rec.Log(u.Email, "swap", "app1="+app1Name, "app2="+app2Name)
	return app.Swap(app1, app2, cnameOnly)
}