Golang options.NewSchedulerServer函数代码示例

// NewSchedulerCommand provides a CLI handler for the 'scheduler' command
func NewSchedulerCommand(name, fullName string, out io.Writer) *cobra.Command {
	schedulerOptions := scheduleroptions.NewSchedulerServer()

	cmd := &cobra.Command{
		Use:   name,
		Short: "Launch Kubernetes scheduler (kube-scheduler)",
		Long:  controllersLong,
		Run: func(c *cobra.Command, args []string) {
			startProfiler()

			logs.InitLogs()
			defer logs.FlushLogs()

			if err := schedulerapp.Run(schedulerOptions); err != nil {
				fmt.Fprintf(os.Stderr, "%v\n", err)
				os.Exit(1)
			}
		},
	}
	cmd.SetOutput(out)

	flags := cmd.Flags()
	flags.SetNormalizeFunc(kflag.WordSepNormalizeFunc)
	schedulerOptions.AddFlags(flags)

	return cmd
}

func main() {
	s := options.NewSchedulerServer()
	s.AddFlags(pflag.CommandLine)

	flag.InitFlags()
	logs.InitLogs()
	defer logs.FlushLogs()

	verflag.PrintAndExitIfRequested()

	app.Run(s)
}

func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())
	s := options.NewSchedulerServer()
	s.AddFlags(pflag.CommandLine)

	flag.InitFlags()
	util.InitLogs()
	defer util.FlushLogs()

	verflag.PrintAndExitIfRequested()

	app.Run(s)
}

// NewScheduler creates a new hyperkube Server object that includes the
// description and flags.
func NewScheduler() *Server {
	s := options.NewSchedulerServer()

	hks := Server{
		SimpleUsage: "scheduler",
		Long:        "Implements a Kubernetes scheduler.  This will assign pods to kubelets based on capacity and constraints.",
		Run: func(_ *Server, _ []string) error {
			return app.Run(s)
		},
	}
	s.AddFlags(hks.Flags())
	return &hks
}

func StartSchedulerServer(lk LocalkubeServer) func() error {
	config := options.NewSchedulerServer()

	// master details
	config.Master = lk.GetAPIServerInsecureURL()

	// defaults from command
	config.EnableProfiling = true

	return func() error {
		return scheduler.Run(config)
	}
}

func main() {
	s := options.NewSchedulerServer()
	s.AddFlags(pflag.CommandLine)

	flag.InitFlags()
	logs.InitLogs()
	defer logs.FlushLogs()

	verflag.PrintAndExitIfRequested()

	if err := app.Run(s); err != nil {
		glog.Fatalf("scheduler app failed to run: %v", err)
	}
}

// NewSchedulerCommand creates a *cobra.Command object with default parameters
func NewSchedulerCommand() *cobra.Command {
	s := options.NewSchedulerServer()
	s.AddFlags(pflag.CommandLine)
	cmd := &cobra.Command{
		Use: "kube-scheduler",
		Long: `The Kubernetes scheduler is a policy-rich, topology-aware,
workload-specific function that significantly impacts availability, performance,
and capacity. The scheduler needs to take into account individual and collective
resource requirements, quality of service requirements, hardware/software/policy
constraints, affinity and anti-affinity specifications, data locality, inter-workload
interference, deadlines, and so on. Workload-specific requirements will be exposed
through the API as necessary.`,
		Run: func(cmd *cobra.Command, args []string) {
		},
	}

	return cmd
}

func NewBootkube(config Config) (*bootkube, error) {
	apiServer := apiserver.NewAPIServer()
	fs := pflag.NewFlagSet("apiserver", pflag.ExitOnError)
	apiServer.AddFlags(fs)
	fs.Parse([]string{
		"--bind-address=0.0.0.0",
		"--secure-port=443",
		"--insecure-port=8081", // NOTE: temp hack for single-apiserver
		"--allow-privileged=true",
		"--tls-private-key-file=" + filepath.Join(config.AssetDir, asset.AssetPathAPIServerKey),
		"--tls-cert-file=" + filepath.Join(config.AssetDir, asset.AssetPathAPIServerCert),
		"--client-ca-file=" + filepath.Join(config.AssetDir, asset.AssetPathCACert),
		"--etcd-servers=" + config.EtcdServer.String(),
		"--service-cluster-ip-range=10.3.0.0/24",
		"--service-account-key-file=" + filepath.Join(config.AssetDir, asset.AssetPathServiceAccountPubKey),
		"--admission-control=ServiceAccount",
		"--runtime-config=extensions/v1beta1/deployments=true,extensions/v1beta1/daemonsets=true",
	})

	cmServer := controller.NewCMServer()
	fs = pflag.NewFlagSet("controllermanager", pflag.ExitOnError)
	cmServer.AddFlags(fs)
	fs.Parse([]string{
		"--master=" + insecureAPIAddr,
		"--service-account-private-key-file=" + filepath.Join(config.AssetDir, asset.AssetPathServiceAccountPrivKey),
		"--root-ca-file=" + filepath.Join(config.AssetDir, asset.AssetPathCACert),
		"--leader-elect=true",
	})

	schedServer := scheduler.NewSchedulerServer()
	fs = pflag.NewFlagSet("scheduler", pflag.ExitOnError)
	schedServer.AddFlags(fs)
	fs.Parse([]string{
		"--master=" + insecureAPIAddr,
		"--leader-elect=true",
	})

	return &bootkube{
		apiServer:  apiServer,
		controller: cmServer,
		scheduler:  schedServer,
		assetDir:   config.AssetDir,
	}, nil
}

func TestSchedulerServerDefaults(t *testing.T) {
	defaults := scheduleroptions.NewSchedulerServer()

	// This is a snapshot of the default config
	// If the default changes (new fields are added, or default values change), we want to know
	// Once we've reacted to the changes appropriately in BuildKubernetesMasterConfig(), update this expected default to match the new upstream defaults
	expectedDefaults := &scheduleroptions.SchedulerServer{
		KubeSchedulerConfiguration: componentconfig.KubeSchedulerConfiguration{
			Port:                           10251, // disabled
			Address:                        "0.0.0.0",
			AlgorithmProvider:              "DefaultProvider",
			ContentType:                    "application/vnd.kubernetes.protobuf",
			KubeAPIQPS:                     50,
			KubeAPIBurst:                   100,
			SchedulerName:                  "default-scheduler",
			HardPodAffinitySymmetricWeight: 1,
			FailureDomains:                 "kubernetes.io/hostname,failure-domain.beta.kubernetes.io/zone,failure-domain.beta.kubernetes.io/region",
			LeaderElection: componentconfig.LeaderElectionConfiguration{
				LeaderElect: true,
				LeaseDuration: unversioned.Duration{
					Duration: 15 * time.Second,
				},
				RenewDeadline: unversioned.Duration{
					Duration: 10 * time.Second,
				},
				RetryPeriod: unversioned.Duration{
					Duration: 2 * time.Second,
				},
			},
		},
	}

	if !reflect.DeepEqual(defaults, expectedDefaults) {
		t.Logf("expected defaults, actual defaults: \n%s", diff.ObjectReflectDiff(expectedDefaults, defaults))
		t.Errorf("Got different defaults than expected, adjust in BuildKubernetesMasterConfig and update expectedDefaults")
	}
}

func BuildKubernetesMasterConfig(options configapi.MasterConfig, requestContextMapper kapi.RequestContextMapper, kubeClient *kclient.Client, informers shared.InformerFactory, admissionControl admission.Interface, originAuthenticator authenticator.Request) (*MasterConfig, error) {
	if options.KubernetesMasterConfig == nil {
		return nil, errors.New("insufficient information to build KubernetesMasterConfig")
	}

	kubeletClientConfig := configapi.GetKubeletClientConfig(options)
	kubeletClient, err := kubeletclient.NewStaticKubeletClient(kubeletClientConfig)
	if err != nil {
		return nil, fmt.Errorf("unable to configure Kubelet client: %v", err)
	}

	// in-order list of plug-ins that should intercept admission decisions
	// TODO: Push node environment support to upstream in future

	podEvictionTimeout, err := time.ParseDuration(options.KubernetesMasterConfig.PodEvictionTimeout)
	if err != nil {
		return nil, fmt.Errorf("unable to parse PodEvictionTimeout: %v", err)
	}

	// Defaults are tested in TestCMServerDefaults
	cmserver := cmapp.NewCMServer()
	// Adjust defaults
	cmserver.Address = ""                   // no healthz endpoint
	cmserver.Port = 0                       // no healthz endpoint
	cmserver.EnableGarbageCollector = false // disabled until we add the controller
	cmserver.PodEvictionTimeout = unversioned.Duration{Duration: podEvictionTimeout}
	cmserver.VolumeConfiguration.EnableDynamicProvisioning = options.VolumeConfig.DynamicProvisioningEnabled

	// resolve extended arguments
	// TODO: this should be done in config validation (along with the above) so we can provide
	// proper errors
	if err := cmdflags.Resolve(options.KubernetesMasterConfig.ControllerArguments, cmserver.AddFlags); len(err) > 0 {
		return nil, kerrors.NewAggregate(err)
	}

	// resolve extended arguments
	// TODO: this should be done in config validation (along with the above) so we can provide
	// proper errors
	schedulerserver := scheduleroptions.NewSchedulerServer()
	schedulerserver.PolicyConfigFile = options.KubernetesMasterConfig.SchedulerConfigFile
	if err := cmdflags.Resolve(options.KubernetesMasterConfig.SchedulerArguments, schedulerserver.AddFlags); len(err) > 0 {
		return nil, kerrors.NewAggregate(err)
	}

	cloud, err := cloudprovider.InitCloudProvider(cmserver.CloudProvider, cmserver.CloudConfigFile)
	if err != nil {
		return nil, err
	}
	if cloud != nil {
		glog.V(2).Infof("Successfully initialized cloud provider: %q from the config file: %q\n", cmserver.CloudProvider, cmserver.CloudConfigFile)
	}

	var proxyClientCerts []tls.Certificate
	if len(options.KubernetesMasterConfig.ProxyClientInfo.CertFile) > 0 {
		clientCert, err := tls.LoadX509KeyPair(
			options.KubernetesMasterConfig.ProxyClientInfo.CertFile,
			options.KubernetesMasterConfig.ProxyClientInfo.KeyFile,
		)
		if err != nil {
			return nil, err
		}
		proxyClientCerts = append(proxyClientCerts, clientCert)
	}

	server, storageFactory, err := BuildDefaultAPIServer(options)
	if err != nil {
		return nil, err
	}

	// Preserve previous behavior of using the first non-loopback address
	// TODO: Deprecate this behavior and just require a valid value to be passed in
	publicAddress := net.ParseIP(options.KubernetesMasterConfig.MasterIP)
	if publicAddress == nil || publicAddress.IsUnspecified() || publicAddress.IsLoopback() {
		hostIP, err := knet.ChooseHostInterface()
		if err != nil {
			glog.Fatalf("Unable to find suitable network address.error='%v'. Set the masterIP directly to avoid this error.", err)
		}
		publicAddress = hostIP
		glog.Infof("Will report %v as public IP address.", publicAddress)
	}

	m := &master.Config{
		Config: &genericapiserver.Config{

			PublicAddress: publicAddress,
			ReadWritePort: server.SecurePort,

			Authenticator:    originAuthenticator, // this is used to fulfill the tokenreviews endpoint which is used by node authentication
			Authorizer:       authorizer.NewAlwaysAllowAuthorizer(),
			AdmissionControl: admissionControl,

			StorageFactory: storageFactory,

			ServiceClusterIPRange: (*net.IPNet)(&server.ServiceClusterIPRange),
			ServiceNodePortRange:  server.ServiceNodePortRange,

			RequestContextMapper: requestContextMapper,

			APIResourceConfigSource: getAPIResourceConfig(options),
			APIPrefix:               server.APIPrefix,
//.........这里部分代码省略.........