Esempio n. 1
0
// Channel returns a channel where a configuration source
// can send updates of new configurations. Multiple calls with the same
// source will return the same channel. This allows change and state based sources
// to use the same channel. Different source names however will be treated as a
// union.
func (m *Mux) Channel(source string) chan interface{} {
	if len(source) == 0 {
		panic("Channel given an empty name")
	}
	m.sourceLock.Lock()
	defer m.sourceLock.Unlock()
	channel, exists := m.sources[source]
	if exists {
		return channel
	}
	newChannel := make(chan interface{})
	m.sources[source] = newChannel
	go util.Forever(func() { m.listen(source, newChannel) }, 0)
	return newChannel
}
Esempio n. 2
0
// experimental returns the resources and codec for the experimental api
func (m *Master) experimental(c *Config) *apiserver.APIGroupVersion {
	// All resources except these are disabled by default.
	enabledResources := utilSets.NewString("jobs", "horizontalpodautoscalers", "ingresses")
	resourceOverrides := m.apiGroupVersionOverrides["extensions/v1beta1"].ResourceOverrides
	isEnabled := func(resource string) bool {
		// Check if the resource has been overriden.
		enabled, ok := resourceOverrides[resource]
		if !ok {
			return enabledResources.Has(resource)
		}
		return enabled
	}
	dbClient := func(resource string) storage.Interface {
		return c.StorageDestinations.get("extensions", resource)
	}

	storage := map[string]rest.Storage{}
	if isEnabled("horizontalpodautoscalers") {
		autoscalerStorage, autoscalerStatusStorage := horizontalpodautoscaleretcd.NewREST(dbClient("horizonalpodautoscalers"))
		storage["horizontalpodautoscalers"] = autoscalerStorage
		storage["horizontalpodautoscalers/status"] = autoscalerStatusStorage
		controllerStorage := expcontrolleretcd.NewStorage(c.StorageDestinations.get("", "replicationControllers"))
		storage["replicationcontrollers"] = controllerStorage.ReplicationController
		storage["replicationcontrollers/scale"] = controllerStorage.Scale
	}
	if isEnabled("thirdpartyresources") {
		thirdPartyResourceStorage := thirdpartyresourceetcd.NewREST(dbClient("thirdpartyresources"))
		thirdPartyControl := ThirdPartyController{
			master: m,
			thirdPartyResourceRegistry: thirdPartyResourceStorage,
		}
		go func() {
			util.Forever(func() {
				if err := thirdPartyControl.SyncResources(); err != nil {
					glog.Warningf("third party resource sync failed: %v", err)
				}
			}, 10*time.Second)
		}()

		storage["thirdpartyresources"] = thirdPartyResourceStorage
	}

	if isEnabled("daemonsets") {
		daemonSetStorage, daemonSetStatusStorage := daemonetcd.NewREST(dbClient("daemonsets"))
		storage["daemonsets"] = daemonSetStorage
		storage["daemonsets/status"] = daemonSetStatusStorage
	}
	if isEnabled("deployments") {
		deploymentStorage := deploymentetcd.NewStorage(dbClient("deployments"))
		storage["deployments"] = deploymentStorage.Deployment
		storage["deployments/scale"] = deploymentStorage.Scale
	}
	if isEnabled("jobs") {
		jobStorage, jobStatusStorage := jobetcd.NewREST(dbClient("jobs"))
		storage["jobs"] = jobStorage
		storage["jobs/status"] = jobStatusStorage
	}
	if isEnabled("ingresses") {
		ingressStorage, ingressStatusStorage := ingressetcd.NewREST(dbClient("ingresses"))
		storage["ingresses"] = ingressStorage
		storage["ingresses/status"] = ingressStatusStorage
	}

	extensionsGroup := latest.GroupOrDie("extensions")

	return &apiserver.APIGroupVersion{
		Root: m.apiGroupPrefix,

		Creater:   api.Scheme,
		Convertor: api.Scheme,
		Typer:     api.Scheme,

		Mapper:        extensionsGroup.RESTMapper,
		Codec:         extensionsGroup.Codec,
		Linker:        extensionsGroup.SelfLinker,
		Storage:       storage,
		Version:       extensionsGroup.GroupVersion,
		ServerVersion: latest.GroupOrDie("").GroupVersion,

		Admit:   m.admissionControl,
		Context: m.requestContextMapper,

		MinRequestTimeout: m.minRequestTimeout,
	}
}