// NewMasterComponents creates, initializes and starts master components based on the given config.
func NewMasterComponents(c *Config) *MasterComponents {
m, s, h := startMasterOrDie(c.MasterConfig)
// TODO: Allow callers to pipe through a different master url and create a client/start components using it.
glog.Infof("Master %+v", s.URL)
if c.DeleteEtcdKeys {
DeleteAllEtcdKeys()
}
restClient := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Version(), QPS: c.QPS, Burst: c.Burst})
rcStopCh := make(chan struct{})
controllerManager := controller.NewReplicationManager(restClient, c.Burst)
// TODO: Support events once we can cleanly shutdown an event recorder.
controllerManager.SetEventRecorder(&record.FakeRecorder{})
if c.StartReplicationManager {
go controllerManager.Run(runtime.NumCPU(), rcStopCh)
}
var once sync.Once
return &MasterComponents{
ApiServer: s,
KubeMaster: m,
RestClient: restClient,
ControllerManager: controllerManager,
rcStopCh: rcStopCh,
EtcdHelper: h,
once: once,
}
}
// RunControllerManager starts a controller
func RunControllerManager(machineList []string, cl *client.Client, nodeMilliCPU, nodeMemory int64) {
if int64(int(nodeMilliCPU)) != nodeMilliCPU {
glog.Warningf("node_milli_cpu is too big for platform. Clamping: %d -> %d",
nodeMilliCPU, math.MaxInt32)
nodeMilliCPU = math.MaxInt32
}
if int64(int(nodeMemory)) != nodeMemory {
glog.Warningf("node_memory is too big for platform. Clamping: %d -> %d",
nodeMemory, math.MaxInt32)
nodeMemory = math.MaxInt32
}
nodeResources := &api.NodeResources{
Capacity: api.ResourceList{
resources.CPU: util.NewIntOrStringFromInt(int(nodeMilliCPU)),
resources.Memory: util.NewIntOrStringFromInt(int(nodeMemory)),
},
}
minionController := minionControllerPkg.NewMinionController(nil, "", machineList, nodeResources, cl)
minionController.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)
}
func (c *config) runReplicationController() {
kubeClient := c.getKubeClient()
// initialize replication manager
controllerManager := controller.NewReplicationManager(kubeClient)
controllerManager.Run(10 * time.Second)
glog.Infof("Started Kubernetes Replication Manager")
}
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)
cl := client.New(apiServer.URL, nil)
cl.PollPeriod = time.Second * 1
cl.Sync = true
// Master
m := master.New(&master.Config{
Client: cl,
EtcdServers: servers,
Minions: machineList,
PodInfoGetter: fakePodInfoGetter{},
})
storage, codec := m.API_v1beta1()
handler.delegate = apiserver.Handle(storage, codec, "/api/v1beta1")
// Scheduler
scheduler.New((&factory.ConfigFactory{cl}).Create()).Run()
controllerManager := controller.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)
// Kubelet (localhost)
cfg1 := config.NewPodConfig(config.PodConfigNotificationSnapshotAndUpdates)
config.NewSourceEtcd(config.EtcdKeyForHost(machineList[0]), etcdClient, cfg1.Channel("etcd"))
config.NewSourceURL(manifestURL, 5*time.Second, cfg1.Channel("url"))
myKubelet := kubelet.NewIntegrationTestKubelet(machineList[0], &fakeDocker1)
go util.Forever(func() { myKubelet.Run(cfg1.Updates()) }, 0)
go util.Forever(func() {
kubelet.ListenAndServeKubeletServer(myKubelet, cfg1.Channel("http"), "localhost", 10250)
}, 0)
// Kubelet (machine)
// Create a second kubelet so that the guestbook example's two redis slaves both
// have a place they can schedule.
cfg2 := config.NewPodConfig(config.PodConfigNotificationSnapshotAndUpdates)
config.NewSourceEtcd(config.EtcdKeyForHost(machineList[1]), etcdClient, cfg2.Channel("etcd"))
otherKubelet := kubelet.NewIntegrationTestKubelet(machineList[1], &fakeDocker2)
go util.Forever(func() { otherKubelet.Run(cfg2.Updates()) }, 0)
go util.Forever(func() {
kubelet.ListenAndServeKubeletServer(otherKubelet, cfg2.Channel("http"), "localhost", 10251)
}, 0)
return apiServer.URL
}
// 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
}
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)
}
if int64(int(*nodeMilliCPU)) != *nodeMilliCPU {
glog.Warningf("node_milli_cpu is too big for platform. Clamping: %d -> %d",
*nodeMilliCPU, math.MaxInt32)
*nodeMilliCPU = math.MaxInt32
}
if int64(int(*nodeMemory)) != *nodeMemory {
glog.Warningf("node_memory is too big for platform. Clamping: %d -> %d",
*nodeMemory, math.MaxInt32)
*nodeMemory = math.MaxInt32
}
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{
resources.CPU: util.NewIntOrStringFromInt(int(*nodeMilliCPU)),
resources.Memory: util.NewIntOrStringFromInt(int(*nodeMemory)),
},
}
minionController := minionControllerPkg.NewMinionController(cloud, *minionRegexp, machineList, nodeResources, kubeClient)
minionController.Run(10 * time.Second)
select {}
}
// 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)
}
func main() {
flag.Parse()
util.InitLogs()
defer util.FlushLogs()
verflag.PrintAndExitIfRequested()
if len(*master) == 0 {
glog.Fatal("usage: controller-manager -master <master>")
}
controllerManager := controller.NewReplicationManager(
client.New("http://"+*master, nil))
controllerManager.Run(10 * time.Second)
select {}
}
// RunControllerManager starts a controller
func runControllerManager(cl *client.Client) {
const nodeSyncPeriod = 10 * time.Second
nodeController := nodecontroller.NewNodeController(
nil, cl, 10, 5*time.Minute, nodecontroller.NewPodEvictor(util.NewTokenBucketRateLimiter(*deletingPodsQps, *deletingPodsBurst)),
40*time.Second, 60*time.Second, 5*time.Second, nil, false)
nodeController.Run(nodeSyncPeriod)
serviceController := servicecontroller.New(nil, cl, "kubernetes")
if err := serviceController.Run(nodeSyncPeriod); err != nil {
glog.Warningf("Running without a service controller: %v", err)
}
endpoints := service.NewEndpointController(cl)
go endpoints.Run(5, util.NeverStop)
controllerManager := controller.NewReplicationManager(cl, controller.BurstReplicas)
go controllerManager.Run(5, util.NeverStop)
}
// 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)
}
// RunControllerManager starts a controller
func RunControllerManager(machineList []string, cl *client.Client, nodeMilliCPU, nodeMemory int64) {
if int64(int(nodeMilliCPU)) != nodeMilliCPU || int64(int(nodeMemory)) != nodeMemory {
glog.Fatalf("Overflow, nodeCPU or nodeMemory too large for the platform")
}
nodeResources := &api.NodeResources{
Capacity: api.ResourceList{
resources.CPU: util.NewIntOrStringFromInt(int(nodeMilliCPU)),
resources.Memory: util.NewIntOrStringFromInt(int(nodeMemory)),
},
}
minionController := minionControllerPkg.NewMinionController(nil, "", machineList, nodeResources, cl)
minionController.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)
}
func main() {
flag.Parse()
util.InitLogs()
defer util.FlushLogs()
verflag.PrintAndExitIfRequested()
if len(*master) == 0 {
glog.Fatal("usage: controller-manager -master <master>")
}
kubeClient, err := client.New(*master, nil)
if err != nil {
glog.Fatalf("Invalid -master: %v", err)
}
controllerManager := controller.NewReplicationManager(kubeClient)
controllerManager.Run(10 * time.Second)
select {}
}
func main() {
flag.Parse()
util.InitLogs()
defer util.FlushLogs()
verflag.PrintAndExitIfRequested()
if len(*master) == 0 {
glog.Fatal("usage: controller-manager -master <master>")
}
kubeClient, err := client.New(*master, nil)
if err != nil {
glog.Fatalf("Invalid -master: %v", err)
}
go http.ListenAndServe(net.JoinHostPort(*address, strconv.Itoa(*port)), nil)
controllerManager := controller.NewReplicationManager(kubeClient)
controllerManager.Run(10 * time.Second)
select {}
}
// 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 := nodecontroller.NewNodeController(
nil, "", machineList, nodeResources, cl, 10, 5*time.Minute, util.NewTokenBucketRateLimiter(*deletingPodsQps, *deletingPodsBurst), 40*time.Second, 60*time.Second, 5*time.Second, "")
nodeController.Run(10*time.Second, true)
serviceController := servicecontroller.New(nil, cl, "kubernetes")
if err := serviceController.Run(); err != nil {
glog.Warningf("Running without a service controller: %v", err)
}
endpoints := service.NewEndpointController(cl)
go endpoints.Run(5, util.NeverStop)
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
}
func (s *CMServer) Run(_ []string) error {
if s.Kubeconfig == "" && s.Master == "" {
glog.Warningf("Neither --kubeconfig nor --master was specified. Using default API client. This might not work.")
}
// This creates a client, first loading any specified kubeconfig
// file, and then overriding the Master flag, if non-empty.
kubeconfig, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
&clientcmd.ClientConfigLoadingRules{ExplicitPath: s.Kubeconfig},
&clientcmd.ConfigOverrides{ClusterInfo: clientcmdapi.Cluster{Server: s.Master}}).ClientConfig()
if err != nil {
return err
}
kubeconfig.QPS = 20.0
kubeconfig.Burst = 30
kubeClient, err := client.New(kubeconfig)
if err != nil {
glog.Fatalf("Invalid API configuration: %v", err)
}
go func() {
mux := http.NewServeMux()
healthz.InstallHandler(mux)
if s.EnableProfiling {
profile.InstallHandler(mux)
}
mux.Handle("/metrics", prometheus.Handler())
server := &http.Server{
Addr: net.JoinHostPort(s.Address.String(), strconv.Itoa(s.Port)),
Handler: mux,
}
glog.Fatal(server.ListenAndServe())
}()
endpoints := s.createEndpointController(kubeClient)
go endpoints.Run(s.ConcurrentEndpointSyncs, util.NeverStop)
controllerManager := controller.NewReplicationManager(kubeClient, controller.BurstReplicas)
go controllerManager.Run(s.ConcurrentRCSyncs, util.NeverStop)
//TODO(jdef) should eventually support more cloud providers here
if s.CloudProvider != mesos.ProviderName {
glog.Fatalf("Only provider %v is supported, you specified %v", mesos.ProviderName, s.CloudProvider)
}
cloud := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile)
nodeController := nodecontroller.NewNodeController(cloud, kubeClient, s.RegisterRetryCount,
s.PodEvictionTimeout, nodecontroller.NewPodEvictor(util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst)),
s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, (*net.IPNet)(&s.ClusterCIDR), s.AllocateNodeCIDRs)
nodeController.Run(s.NodeSyncPeriod)
serviceController := servicecontroller.New(cloud, kubeClient, s.ClusterName)
if err := serviceController.Run(s.NodeSyncPeriod); err != nil {
glog.Errorf("Failed to start service controller: %v", err)
}
if s.AllocateNodeCIDRs {
routes, ok := cloud.Routes()
if !ok {
glog.Fatal("Cloud provider must support routes if allocate-node-cidrs is set")
}
routeController := routecontroller.New(routes, kubeClient, s.ClusterName, (*net.IPNet)(&s.ClusterCIDR))
routeController.Run(s.NodeSyncPeriod)
}
resourceQuotaManager := resourcequota.NewResourceQuotaManager(kubeClient)
resourceQuotaManager.Run(s.ResourceQuotaSyncPeriod)
namespaceManager := namespace.NewNamespaceManager(kubeClient, s.NamespaceSyncPeriod)
namespaceManager.Run()
pvclaimBinder := volumeclaimbinder.NewPersistentVolumeClaimBinder(kubeClient, s.PVClaimBinderSyncPeriod)
pvclaimBinder.Run()
pvRecycler, err := volumeclaimbinder.NewPersistentVolumeRecycler(kubeClient, s.PVClaimBinderSyncPeriod, app.ProbeRecyclableVolumePlugins())
if err != nil {
glog.Fatalf("Failed to start persistent volume recycler: %+v", err)
}
pvRecycler.Run()
if len(s.ServiceAccountKeyFile) > 0 {
privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile)
if err != nil {
glog.Errorf("Error reading key for service account token controller: %v", err)
} else {
serviceaccount.NewTokensController(
kubeClient,
serviceaccount.DefaultTokenControllerOptions(
serviceaccount.JWTTokenGenerator(privateKey),
),
).Run()
}
}
serviceaccount.NewServiceAccountsController(
kubeClient,
serviceaccount.DefaultServiceAccountsControllerOptions(),
).Run()
select {}
}
func (c *config) startAllInOne() {
minionHost := "127.0.0.1"
minionPort := 10250
rootDirectory := path.Clean("/var/lib/openshift")
osAddr := c.ListenAddr
osPrefix := "/osapi/v1beta1"
kubePrefix := "/api/v1beta1"
kubeClient, err := kubeclient.New("http://"+osAddr, nil)
if err != nil {
glog.Fatalf("Unable to configure client - bad URL: %v", err)
}
osClient, err := osclient.New("http://"+osAddr, nil)
if err != nil {
glog.Fatalf("Unable to configure client - bad URL: %v", err)
}
etcdAddr := "127.0.0.1:4001"
etcdServers := []string{} // default
etcdConfig := etcdconfig.New()
etcdConfig.BindAddr = etcdAddr
etcdConfig.DataDir = "openshift.local.etcd"
etcdConfig.Name = "openshift.local"
// check docker connection
dockerClient, dockerAddr := c.Docker.GetClientOrExit()
if err := dockerClient.Ping(); err != nil {
glog.Errorf("WARNING: Docker could not be reached at %s. Docker must be installed and running to start containers.\n%v", dockerAddr, err)
} else {
glog.Infof("Connecting to Docker at %s", dockerAddr)
}
cadvisorClient, err := cadvisor.NewClient("http://127.0.0.1:4194")
if err != nil {
glog.Errorf("Error on creating cadvisor client: %v", err)
}
// initialize etcd
etcdServer := etcd.New(etcdConfig)
go util.Forever(func() {
glog.Infof("Started etcd at http://%s", etcdAddr)
etcdServer.Run()
}, 0)
etcdClient := etcdclient.NewClient(etcdServers)
for i := 0; ; i += 1 {
_, err := etcdClient.Get("/", false, false)
if err == nil || tools.IsEtcdNotFound(err) {
break
}
if i > 100 {
glog.Fatal("Could not reach etcd: %v", err)
}
time.Sleep(50 * time.Millisecond)
}
// initialize Kubelet
os.MkdirAll(rootDirectory, 0750)
cfg := kconfig.NewPodConfig(kconfig.PodConfigNotificationSnapshotAndUpdates)
kconfig.NewSourceEtcd(kconfig.EtcdKeyForHost(minionHost), etcdClient, cfg.Channel("etcd"))
k := kubelet.NewMainKubelet(
minionHost,
dockerClient,
cadvisorClient,
etcdClient,
rootDirectory,
30*time.Second)
go util.Forever(func() { k.Run(cfg.Updates()) }, 0)
go util.Forever(func() {
kubelet.ListenAndServeKubeletServer(k, cfg.Channel("http"), minionHost, uint(minionPort))
}, 0)
imageRegistry := image.NewEtcdRegistry(etcdClient)
// initialize OpenShift API
storage := map[string]apiserver.RESTStorage{
"builds": buildregistry.NewStorage(build.NewEtcdRegistry(etcdClient)),
"buildConfigs": buildconfigregistry.NewStorage(build.NewEtcdRegistry(etcdClient)),
"images": image.NewImageStorage(imageRegistry),
"imageRepositories": image.NewImageRepositoryStorage(imageRegistry),
"imageRepositoryMappings": image.NewImageRepositoryMappingStorage(imageRegistry, imageRegistry),
"templateConfigs": template.NewStorage(),
}
osMux := http.NewServeMux()
// initialize Kubernetes API
podInfoGetter := &kubeclient.HTTPPodInfoGetter{
Client: http.DefaultClient,
Port: uint(minionPort),
}
masterConfig := &master.Config{
Client: kubeClient,
EtcdServers: etcdServers,
HealthCheckMinions: true,
Minions: []string{minionHost},
PodInfoGetter: podInfoGetter,
}
m := master.New(masterConfig)
apiserver.NewAPIGroup(m.API_v1beta1()).InstallREST(osMux, kubePrefix)
apiserver.NewAPIGroup(storage, runtime.Codec).InstallREST(osMux, osPrefix)
apiserver.InstallSupport(osMux)
osApi := &http.Server{
Addr: osAddr,
Handler: apiserver.RecoverPanics(osMux),
ReadTimeout: 5 * time.Minute,
WriteTimeout: 5 * time.Minute,
MaxHeaderBytes: 1 << 20,
}
go util.Forever(func() {
glog.Infof("Started Kubernetes API at http://%s%s", osAddr, kubePrefix)
glog.Infof("Started OpenShift API at http://%s%s", osAddr, osPrefix)
glog.Fatal(osApi.ListenAndServe())
}, 0)
// initialize kube proxy
serviceConfig := pconfig.NewServiceConfig()
endpointsConfig := pconfig.NewEndpointsConfig()
pconfig.NewConfigSourceEtcd(etcdClient,
serviceConfig.Channel("etcd"),
endpointsConfig.Channel("etcd"))
loadBalancer := proxy.NewLoadBalancerRR()
proxier := proxy.NewProxier(loadBalancer)
serviceConfig.RegisterHandler(proxier)
endpointsConfig.RegisterHandler(loadBalancer)
glog.Infof("Started Kubernetes Proxy")
// initialize replication manager
controllerManager := controller.NewReplicationManager(kubeClient)
controllerManager.Run(10 * time.Second)
glog.Infof("Started Kubernetes Replication Manager")
// initialize scheduler
configFactory := &factory.ConfigFactory{Client: kubeClient}
config := configFactory.Create()
s := scheduler.New(config)
s.Run()
glog.Infof("Started Kubernetes Scheduler")
// initialize build controller
dockerBuilderImage := env("OPENSHIFT_DOCKER_BUILDER_IMAGE", "openshift/docker-builder")
useHostDockerSocket := len(env("USE_HOST_DOCKER_SOCKET", "")) > 0
stiBuilderImage := env("OPENSHIFT_STI_BUILDER_IMAGE", "openshift/sti-builder")
dockerRegistry := env("DOCKER_REGISTRY", "")
buildStrategies := map[buildapi.BuildType]build.BuildJobStrategy{
buildapi.DockerBuildType: strategy.NewDockerBuildStrategy(dockerBuilderImage, useHostDockerSocket),
buildapi.STIBuildType: strategy.NewSTIBuildStrategy(stiBuilderImage, useHostDockerSocket),
}
buildController := build.NewBuildController(kubeClient, osClient, buildStrategies, dockerRegistry, 1200)
buildController.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(),
ReadWritePort: portNumber,
ReadOnlyPort: portNumber,
PublicAddress: host,
})
handler.delegate = m.Handler
// Scheduler
schedulerConfigFactory := &factory.ConfigFactory{cl}
schedulerConfig := schedulerConfigFactory.Create()
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{}
minionController := minionControllerPkg.NewMinionController(nil, "", machineList, nodeResources, cl)
minionController.Run(10 * time.Second)
// Kubelet (localhost)
os.MkdirAll(testRootDir, 0750)
cfg1 := config.NewPodConfig(config.PodConfigNotificationSnapshotAndUpdates)
config.NewSourceEtcd(config.EtcdKeyForHost(machineList[0]), etcdClient, cfg1.Channel("etcd"))
config.NewSourceURL(manifestURL, 5*time.Second, cfg1.Channel("url"))
myKubelet := kubelet.NewIntegrationTestKubelet(machineList[0], testRootDir, &fakeDocker1)
go util.Forever(func() { myKubelet.Run(cfg1.Updates()) }, 0)
go util.Forever(func() {
kubelet.ListenAndServeKubeletServer(myKubelet, cfg1.Channel("http"), net.ParseIP("127.0.0.1"), 10250, true)
}, 0)
// Kubelet (machine)
// Create a second kubelet so that the guestbook example's two redis slaves both
// have a place they can schedule.
cfg2 := config.NewPodConfig(config.PodConfigNotificationSnapshotAndUpdates)
config.NewSourceEtcd(config.EtcdKeyForHost(machineList[1]), etcdClient, cfg2.Channel("etcd"))
otherKubelet := kubelet.NewIntegrationTestKubelet(machineList[1], testRootDir, &fakeDocker2)
go util.Forever(func() { otherKubelet.Run(cfg2.Updates()) }, 0)
go util.Forever(func() {
kubelet.ListenAndServeKubeletServer(otherKubelet, cfg2.Channel("http"), net.ParseIP("127.0.0.1"), 10251, true)
}, 0)
return apiServer.URL
}
// RunReplicationController starts the Kubernetes replication controller sync loop
func (c *MasterConfig) RunReplicationController(client *client.Client) {
controllerManager := controller.NewReplicationManager(client, controller.BurstReplicas)
go controllerManager.Run(c.ControllerManager.ConcurrentRCSyncs, util.NeverStop)
glog.Infof("Started Kubernetes Replication Manager")
}
// Run runs the CMServer. This should never exit.
func (s *CMServer) Run(_ []string) error {
s.verifyMinionFlags()
if s.Kubeconfig == "" && s.Master == "" {
glog.Warningf("Neither --kubeconfig nor --master was specified. Using default API client. This might not work.")
}
// This creates a client, first loading any specified kubeconfig
// file, and then overriding the Master flag, if non-empty.
kubeconfig, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
&clientcmd.ClientConfigLoadingRules{ExplicitPath: s.Kubeconfig},
&clientcmd.ConfigOverrides{ClusterInfo: clientcmdapi.Cluster{Server: s.Master}}).ClientConfig()
if err != nil {
return err
}
kubeconfig.QPS = 20.0
kubeconfig.Burst = 30
kubeClient, err := client.New(kubeconfig)
if err != nil {
glog.Fatalf("Invalid API configuration: %v", err)
}
go func() {
mux := http.NewServeMux()
healthz.InstallHandler(mux)
if s.EnableProfiling {
mux.HandleFunc("/debug/pprof/", pprof.Index)
mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
}
mux.Handle("/metrics", prometheus.Handler())
server := &http.Server{
Addr: net.JoinHostPort(s.Address.String(), strconv.Itoa(s.Port)),
Handler: mux,
}
glog.Fatal(server.ListenAndServe())
}()
endpoints := service.NewEndpointController(kubeClient)
go endpoints.Run(s.ConcurrentEndpointSyncs, util.NeverStop)
controllerManager := replicationControllerPkg.NewReplicationManager(kubeClient)
controllerManager.Run(replicationControllerPkg.DefaultSyncPeriod)
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,
},
}
if s.SyncNodeStatus {
glog.Warning("DEPRECATION NOTICE: sync_node_status flag is being deprecated. It has no effect now and it will be removed in a future version.")
}
nodeController := nodecontroller.NewNodeController(cloud, s.MinionRegexp, s.MachineList, nodeResources,
kubeClient, s.RegisterRetryCount, s.PodEvictionTimeout, util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst),
s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, s.ClusterName)
nodeController.Run(s.NodeSyncPeriod, s.SyncNodeList)
serviceController := servicecontroller.New(cloud, kubeClient, s.ClusterName)
if err := serviceController.Run(); err != nil {
glog.Errorf("Failed to start service controller: %v", err)
}
resourceQuotaManager := resourcequota.NewResourceQuotaManager(kubeClient)
resourceQuotaManager.Run(s.ResourceQuotaSyncPeriod)
namespaceManager := namespace.NewNamespaceManager(kubeClient, s.NamespaceSyncPeriod)
namespaceManager.Run()
select {}
return nil
}
func startComponents(firstManifestURL, secondManifestURL, apiVersion string) (string, string) {
// Setup
servers := []string{}
glog.Infof("Creating etcd client pointing to %v", servers)
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: apiVersion})
etcdStorage, err := master.NewEtcdStorage(etcdClient, "", etcdtest.PathPrefix())
if err != nil {
glog.Fatalf("Unable to get etcd storage: %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)
}
publicAddress := net.ParseIP(host)
if publicAddress == nil {
glog.Fatalf("no public address for %s", host)
}
// Create a master and install handlers into mux.
m := master.New(&master.Config{
DatabaseStorage: etcdStorage,
KubeletClient: fakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableProfiling: true,
APIPrefix: "/api",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
ReadWritePort: portNumber,
PublicAddress: publicAddress,
CacheTimeout: 2 * time.Second,
})
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)
}
eventBroadcaster := record.NewBroadcaster()
schedulerConfig.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: "scheduler"})
eventBroadcaster.StartLogging(glog.Infof)
eventBroadcaster.StartRecordingToSink(cl.Events(""))
scheduler.New(schedulerConfig).Run()
endpoints := service.NewEndpointController(cl)
// ensure the service endpoints are sync'd several times within the window that the integration tests wait
go endpoints.Run(3, util.NeverStop)
controllerManager := replicationControllerPkg.NewReplicationManager(cl, replicationControllerPkg.BurstReplicas)
// TODO: Write an integration test for the replication controllers watch.
go controllerManager.Run(3, util.NeverStop)
nodeController := nodecontroller.NewNodeController(nil, cl, 10, 5*time.Minute, nodecontroller.NewPodEvictor(util.NewFakeRateLimiter()),
40*time.Second, 60*time.Second, 5*time.Second, nil, false)
nodeController.Run(5 * time.Second)
cadvisorInterface := new(cadvisor.Fake)
// Kubelet (localhost)
testRootDir := makeTempDirOrDie("kubelet_integ_1.", "")
configFilePath := makeTempDirOrDie("config", testRootDir)
glog.Infof("Using %s as root dir for kubelet #1", testRootDir)
fakeDocker1.VersionInfo = docker.Env{"ApiVersion=1.15"}
kcfg := kubeletapp.SimpleKubelet(cl, &fakeDocker1, "localhost", testRootDir, firstManifestURL, "127.0.0.1", 10250, api.NamespaceDefault, empty_dir.ProbeVolumePlugins(), nil, cadvisorInterface, configFilePath, nil, kubecontainer.FakeOS{})
kubeletapp.RunKubelet(kcfg, nil)
// 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)
fakeDocker2.VersionInfo = docker.Env{"ApiVersion=1.15"}
kcfg = kubeletapp.SimpleKubelet(cl, &fakeDocker2, "127.0.0.1", testRootDir, secondManifestURL, "127.0.0.1", 10251, api.NamespaceDefault, empty_dir.ProbeVolumePlugins(), nil, cadvisorInterface, "", nil, kubecontainer.FakeOS{})
kubeletapp.RunKubelet(kcfg, nil)
return apiServer.URL, configFilePath
}
// Run runs the CMServer. This should never exit.
func (s *CMServer) Run(_ []string) error {
if s.Kubeconfig == "" && s.Master == "" {
glog.Warningf("Neither --kubeconfig nor --master was specified. Using default API client. This might not work.")
}
// This creates a client, first loading any specified kubeconfig
// file, and then overriding the Master flag, if non-empty.
kubeconfig, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
&clientcmd.ClientConfigLoadingRules{ExplicitPath: s.Kubeconfig},
&clientcmd.ConfigOverrides{ClusterInfo: clientcmdapi.Cluster{Server: s.Master}}).ClientConfig()
if err != nil {
return err
}
kubeconfig.QPS = 20.0
kubeconfig.Burst = 30
kubeClient, err := client.New(kubeconfig)
if err != nil {
glog.Fatalf("Invalid API configuration: %v", err)
}
go func() {
mux := http.NewServeMux()
healthz.InstallHandler(mux)
if s.EnableProfiling {
mux.HandleFunc("/debug/pprof/", pprof.Index)
mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
}
mux.Handle("/metrics", prometheus.Handler())
server := &http.Server{
Addr: net.JoinHostPort(s.Address.String(), strconv.Itoa(s.Port)),
Handler: mux,
}
glog.Fatal(server.ListenAndServe())
}()
endpoints := service.NewEndpointController(kubeClient)
go endpoints.Run(s.ConcurrentEndpointSyncs, util.NeverStop)
controllerManager := replicationControllerPkg.NewReplicationManager(kubeClient, replicationControllerPkg.BurstReplicas)
go controllerManager.Run(s.ConcurrentRCSyncs, util.NeverStop)
cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile)
if err != nil {
glog.Fatalf("Cloud provider could not be initialized: %v", err)
}
nodeController := nodecontroller.NewNodeController(cloud, kubeClient, s.RegisterRetryCount,
s.PodEvictionTimeout, nodecontroller.NewPodEvictor(util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst)),
s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, (*net.IPNet)(&s.ClusterCIDR), s.AllocateNodeCIDRs)
nodeController.Run(s.NodeSyncPeriod)
serviceController := servicecontroller.New(cloud, kubeClient, s.ClusterName)
if err := serviceController.Run(s.ServiceSyncPeriod, s.NodeSyncPeriod); err != nil {
glog.Errorf("Failed to start service controller: %v", err)
}
if s.AllocateNodeCIDRs {
if cloud == nil {
glog.Warning("allocate-node-cidrs is set, but no cloud provider specified. Will not manage routes.")
} else if routes, ok := cloud.Routes(); !ok {
glog.Warning("allocate-node-cidrs is set, but cloud provider does not support routes. Will not manage routes.")
} else {
routeController := routecontroller.New(routes, kubeClient, s.ClusterName, (*net.IPNet)(&s.ClusterCIDR))
routeController.Run(s.NodeSyncPeriod)
}
}
resourceQuotaManager := resourcequota.NewResourceQuotaManager(kubeClient)
resourceQuotaManager.Run(s.ResourceQuotaSyncPeriod)
namespaceManager := namespace.NewNamespaceManager(kubeClient, s.NamespaceSyncPeriod)
namespaceManager.Run()
pvclaimBinder := volumeclaimbinder.NewPersistentVolumeClaimBinder(kubeClient, s.PVClaimBinderSyncPeriod)
pvclaimBinder.Run()
pvRecycler, err := volumeclaimbinder.NewPersistentVolumeRecycler(kubeClient, s.PVClaimBinderSyncPeriod, ProbeRecyclableVolumePlugins())
if err != nil {
glog.Fatalf("Failed to start persistent volume recycler: %+v", err)
}
pvRecycler.Run()
var rootCA []byte
if s.RootCAFile != "" {
rootCA, err = ioutil.ReadFile(s.RootCAFile)
if err != nil {
return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err)
}
if _, err := util.CertsFromPEM(rootCA); err != nil {
return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err)
}
} else {
rootCA = kubeconfig.CAData
}
if len(s.ServiceAccountKeyFile) > 0 {
privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile)
if err != nil {
glog.Errorf("Error reading key for service account token controller: %v", err)
} else {
serviceaccount.NewTokensController(
kubeClient,
serviceaccount.TokensControllerOptions{
TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey),
RootCA: rootCA,
},
).Run()
}
}
serviceaccount.NewServiceAccountsController(
kubeClient,
serviceaccount.DefaultServiceAccountsControllerOptions(),
).Run()
select {}
return nil
}
