// Run runs the CMServer. This should never exit.
func (s *CMServer) Run(_ []string) error {
s.verifyMinionFlags()
if len(s.ClientConfig.Host) == 0 {
glog.Fatal("usage: controller-manager --master <master>")
}
kubeClient, err := client.New(&s.ClientConfig)
if err != nil {
glog.Fatalf("Invalid API configuration: %v", err)
}
go func() {
if s.EnableProfiling {
mux := http.NewServeMux()
mux.HandleFunc("/debug/pprof/", pprof.Index)
mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
}
http.ListenAndServe(net.JoinHostPort(s.Address.String(), strconv.Itoa(s.Port)), nil)
}()
endpoints := service.NewEndpointController(kubeClient)
go util.Forever(func() { endpoints.SyncServiceEndpoints() }, time.Second*10)
controllerManager := replicationControllerPkg.NewReplicationManager(kubeClient)
controllerManager.Run(replicationControllerPkg.DefaultSyncPeriod)
kubeletClient, err := client.NewKubeletClient(&s.KubeletConfig)
if err != nil {
glog.Fatalf("Failure to start kubelet client: %v", err)
}
cloud := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile)
nodeResources := &api.NodeResources{
Capacity: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(s.NodeMilliCPU, resource.DecimalSI),
api.ResourceMemory: s.NodeMemory,
},
}
nodeController := nodeControllerPkg.NewNodeController(cloud, s.MinionRegexp, s.MachineList, nodeResources,
kubeClient, kubeletClient, s.RegisterRetryCount, s.PodEvictionTimeout)
nodeController.Run(s.NodeSyncPeriod, s.SyncNodeList, s.SyncNodeStatus)
resourceQuotaManager := resourcequota.NewResourceQuotaManager(kubeClient)
resourceQuotaManager.Run(s.ResourceQuotaSyncPeriod)
select {}
return nil
}
// RunControllerManager starts a controller
func RunControllerManager(machineList []string, cl *client.Client, nodeMilliCPU, nodeMemory int64) {
nodeResources := &api.NodeResources{
Capacity: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(nodeMilliCPU, resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(nodeMemory, resource.BinarySI),
},
}
nodeController := nodeControllerPkg.NewNodeController(nil, "", machineList, nodeResources, cl)
nodeController.Run(10 * time.Second)
endpoints := service.NewEndpointController(cl)
go util.Forever(func() { endpoints.SyncServiceEndpoints() }, time.Second*10)
controllerManager := controller.NewReplicationManager(cl)
controllerManager.Run(10 * time.Second)
}
// RunControllerManager starts a controller
func runControllerManager(machineList []string, cl *client.Client, nodeMilliCPU, nodeMemory int64) {
nodeResources := &api.NodeResources{
Capacity: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(nodeMilliCPU, resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(nodeMemory, resource.BinarySI),
},
}
kubeClient := &client.HTTPKubeletClient{Client: http.DefaultClient, Port: ports.KubeletPort}
nodeController := nodeControllerPkg.NewNodeController(nil, "", machineList, nodeResources, cl, kubeClient, 10, 5*time.Minute)
nodeController.Run(10*time.Second, true, true)
endpoints := service.NewEndpointController(cl)
go util.Forever(func() { endpoints.SyncServiceEndpoints() }, time.Second*10)
controllerManager := controller.NewReplicationManager(cl)
controllerManager.Run(controller.DefaultSyncPeriod)
}
func main() {
flag.Parse()
util.InitLogs()
defer util.FlushLogs()
verflag.PrintAndExitIfRequested()
verifyMinionFlags()
if len(clientConfig.Host) == 0 {
glog.Fatal("usage: controller-manager -master <master>")
}
kubeClient, err := client.New(clientConfig)
if err != nil {
glog.Fatalf("Invalid API configuration: %v", err)
}
go http.ListenAndServe(net.JoinHostPort(address.String(), strconv.Itoa(*port)), nil)
endpoints := service.NewEndpointController(kubeClient)
go util.Forever(func() { endpoints.SyncServiceEndpoints() }, time.Second*10)
controllerManager := replicationControllerPkg.NewReplicationManager(kubeClient)
controllerManager.Run(10 * time.Second)
cloud := cloudprovider.InitCloudProvider(*cloudProvider, *cloudConfigFile)
nodeResources := &api.NodeResources{
Capacity: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(*nodeMilliCPU, resource.DecimalSI),
api.ResourceMemory: *nodeMemory,
},
}
nodeController := nodeControllerPkg.NewNodeController(cloud, *minionRegexp, machineList, nodeResources, kubeClient)
nodeController.Run(10 * time.Second)
select {}
}
func startComponents(manifestURL string) (apiServerURL string) {
// Setup
servers := []string{"http://localhost:4001"}
glog.Infof("Creating etcd client pointing to %v", servers)
machineList := []string{"localhost", "machine"}
handler := delegateHandler{}
apiServer := httptest.NewServer(&handler)
etcdClient := etcd.NewClient(servers)
sleep := 4 * time.Second
ok := false
for i := 0; i < 3; i++ {
keys, err := etcdClient.Get("/", false, false)
if err != nil {
glog.Warningf("Unable to list root etcd keys: %v", err)
if i < 2 {
time.Sleep(sleep)
sleep = sleep * sleep
}
continue
}
for _, node := range keys.Node.Nodes {
if _, err := etcdClient.Delete(node.Key, true); err != nil {
glog.Fatalf("Unable delete key: %v", err)
}
}
ok = true
break
}
if !ok {
glog.Fatalf("Failed to connect to etcd")
}
cl := client.NewOrDie(&client.Config{Host: apiServer.URL, Version: testapi.Version()})
cl.PollPeriod = time.Millisecond * 100
cl.Sync = true
helper, err := master.NewEtcdHelper(etcdClient, "")
if err != nil {
glog.Fatalf("Unable to get etcd helper: %v", err)
}
// Master
host, port, err := net.SplitHostPort(strings.TrimLeft(apiServer.URL, "http://"))
if err != nil {
glog.Fatalf("Unable to parse URL '%v': %v", apiServer.URL, err)
}
portNumber, err := strconv.Atoi(port)
if err != nil {
glog.Fatalf("Nonnumeric port? %v", err)
}
// Create a master and install handlers into mux.
m := master.New(&master.Config{
Client: cl,
EtcdHelper: helper,
KubeletClient: fakeKubeletClient{},
EnableLogsSupport: false,
APIPrefix: "/api",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
ReadWritePort: portNumber,
ReadOnlyPort: portNumber,
PublicAddress: host,
})
handler.delegate = m.Handler
// Scheduler
schedulerConfigFactory := factory.NewConfigFactory(cl)
schedulerConfig, err := schedulerConfigFactory.Create()
if err != nil {
glog.Fatalf("Couldn't create scheduler config: %v", err)
}
scheduler.New(schedulerConfig).Run()
endpoints := service.NewEndpointController(cl)
go util.Forever(func() { endpoints.SyncServiceEndpoints() }, time.Second*10)
controllerManager := replicationControllerPkg.NewReplicationManager(cl)
// Prove that controllerManager's watch works by making it not sync until after this
// test is over. (Hopefully we don't take 10 minutes!)
controllerManager.Run(10 * time.Minute)
nodeResources := &api.NodeResources{}
nodeController := nodeControllerPkg.NewNodeController(nil, "", machineList, nodeResources, cl)
nodeController.Run(10 * time.Second)
// Kubelet (localhost)
testRootDir := makeTempDirOrDie("kubelet_integ_1.")
glog.Infof("Using %s as root dir for kubelet #1", testRootDir)
standalone.SimpleRunKubelet(cl, nil, &fakeDocker1, machineList[0], testRootDir, manifestURL, "127.0.0.1", 10250, api.NamespaceDefault, empty_dir.ProbeVolumePlugins())
// Kubelet (machine)
// Create a second kubelet so that the guestbook example's two redis slaves both
// have a place they can schedule.
testRootDir = makeTempDirOrDie("kubelet_integ_2.")
glog.Infof("Using %s as root dir for kubelet #2", testRootDir)
standalone.SimpleRunKubelet(cl, nil, &fakeDocker2, machineList[1], testRootDir, "", "127.0.0.1", 10251, api.NamespaceDefault, empty_dir.ProbeVolumePlugins())
return apiServer.URL
}