func (m *Master) init(cloud cloudprovider.Interface, podInfoGetter client.PodInfoGetter) {
podCache := NewPodCache(podInfoGetter, m.podRegistry, time.Second*30)
go podCache.Loop()
endpoints := endpoint.NewEndpointController(m.serviceRegistry, m.client)
go util.Forever(func() { endpoints.SyncServiceEndpoints() }, time.Second*10)
random := rand.New(rand.NewSource(int64(time.Now().Nanosecond())))
s := scheduler.NewRandomFitScheduler(m.podRegistry, random)
m.storage = map[string]apiserver.RESTStorage{
"pods": pod.NewRegistryStorage(&pod.RegistryStorageConfig{
CloudProvider: cloud,
MinionLister: m.minionRegistry,
PodCache: podCache,
PodInfoGetter: podInfoGetter,
Registry: m.podRegistry,
Scheduler: s,
}),
"replicationControllers": controller.NewRegistryStorage(m.controllerRegistry, m.podRegistry),
"services": service.NewRegistryStorage(m.serviceRegistry, cloud, m.minionRegistry),
"minions": minion.NewRegistryStorage(m.minionRegistry),
// TODO: should appear only in scheduler API group.
"bindings": binding.NewBindingStorage(m.bindingRegistry),
}
}
func (m *Master) init(cloud cloudprovider.Interface, podInfoGetter client.PodInfoGetter) {
podCache := NewPodCache(podInfoGetter, m.podRegistry, time.Second*30)
go podCache.Loop()
random := rand.New(rand.NewSource(int64(time.Now().Nanosecond())))
s := scheduler.NewRandomFitScheduler(m.podRegistry, random)
m.storage = map[string]apiserver.RESTStorage{
"pods": registry.MakePodRegistryStorage(m.podRegistry, podInfoGetter, s, m.minionRegistry, cloud, podCache),
"replicationControllers": registry.NewControllerRegistryStorage(m.controllerRegistry, m.podRegistry),
"services": registry.MakeServiceRegistryStorage(m.serviceRegistry, cloud, m.minionRegistry),
"minions": registry.MakeMinionRegistryStorage(m.minionRegistry),
}
}
// Create creates a scheduler and all support functions.
func (factory *ConfigFactory) Create() *scheduler.Config {
// Watch and queue pods that need scheduling.
podQueue := cache.NewFIFO()
cache.NewReflector(factory.createUnassignedPodLW(), &api.Pod{}, podQueue).Run()
// Watch and cache all running pods. Scheduler needs to find all pods
// so it knows where it's safe to place a pod. Cache this locally.
podCache := cache.NewStore()
cache.NewReflector(factory.createAssignedPodLW(), &api.Pod{}, podCache).Run()
// Watch minions.
// Minions may be listed frequently, so provide a local up-to-date cache.
minionCache := cache.NewStore()
if false {
// Disable this code until minions support watches.
cache.NewReflector(factory.createMinionLW(), &api.Minion{}, minionCache).Run()
} else {
cache.NewPoller(factory.pollMinions, 10*time.Second, minionCache).Run()
}
r := rand.New(rand.NewSource(time.Now().UnixNano()))
algo := algorithm.NewRandomFitScheduler(
&storeToPodLister{podCache}, r)
return &scheduler.Config{
MinionLister: &storeToMinionLister{minionCache},
Algorithm: algo,
Binder: &binder{factory.Client},
NextPod: func() *api.Pod {
pod := podQueue.Pop().(*api.Pod)
// TODO: Remove or reduce verbosity by sep 6th, 2014. Leave until then to
// make it easy to find scheduling problems.
glog.Infof("About to try and schedule pod %v\n"+
"\tknown minions: %v\n"+
"\tknown scheduled pods: %v\n",
pod.ID, minionCache.Contains(), podCache.Contains())
return pod
},
Error: factory.makeDefaultErrorFunc(podQueue),
}
}