Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/cmd/kubemark/hollow-node.go

@@ -0,0 +1,207 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	goflag "flag"
+	"fmt"
+	"math/rand"
+	"os"
+	"time"
+
+	"github.com/golang/glog"
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+
+	"k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/util/sets"
+	utilflag "k8s.io/apiserver/pkg/util/flag"
+	"k8s.io/apiserver/pkg/util/logs"
+	clientset "k8s.io/client-go/kubernetes"
+	restclient "k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/clientcmd"
+	"k8s.io/client-go/tools/record"
+	"k8s.io/kubernetes/pkg/api/legacyscheme"
+	"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
+	_ "k8s.io/kubernetes/pkg/client/metrics/prometheus" // for client metric registration
+	cadvisortest "k8s.io/kubernetes/pkg/kubelet/cadvisor/testing"
+	"k8s.io/kubernetes/pkg/kubelet/cm"
+	"k8s.io/kubernetes/pkg/kubelet/dockershim"
+	"k8s.io/kubernetes/pkg/kubelet/dockershim/libdocker"
+	"k8s.io/kubernetes/pkg/kubemark"
+	fakeiptables "k8s.io/kubernetes/pkg/util/iptables/testing"
+	fakesysctl "k8s.io/kubernetes/pkg/util/sysctl/testing"
+	_ "k8s.io/kubernetes/pkg/version/prometheus" // for version metric registration
+	"k8s.io/kubernetes/pkg/version/verflag"
+	fakeexec "k8s.io/utils/exec/testing"
+)
+
+type HollowNodeConfig struct {
+	KubeconfigPath      string
+	KubeletPort         int
+	KubeletReadOnlyPort int
+	Morph               string
+	NodeName            string
+	ServerPort          int
+	ContentType         string
+	UseRealProxier      bool
+}
+
+const (
+	maxPods     = 110
+	podsPerCore = 0
+)
+
+var knownMorphs = sets.NewString("kubelet", "proxy")
+
+func (c *HollowNodeConfig) addFlags(fs *pflag.FlagSet) {
+	fs.StringVar(&c.KubeconfigPath, "kubeconfig", "/kubeconfig/kubeconfig", "Path to kubeconfig file.")
+	fs.IntVar(&c.KubeletPort, "kubelet-port", 10250, "Port on which HollowKubelet should be listening.")
+	fs.IntVar(&c.KubeletReadOnlyPort, "kubelet-read-only-port", 10255, "Read-only port on which Kubelet is listening.")
+	fs.StringVar(&c.NodeName, "name", "fake-node", "Name of this Hollow Node.")
+	fs.IntVar(&c.ServerPort, "api-server-port", 443, "Port on which API server is listening.")
+	fs.StringVar(&c.Morph, "morph", "", fmt.Sprintf("Specifies into which Hollow component this binary should morph. Allowed values: %v", knownMorphs.List()))
+	fs.StringVar(&c.ContentType, "kube-api-content-type", "application/vnd.kubernetes.protobuf", "ContentType of requests sent to apiserver.")
+	fs.BoolVar(&c.UseRealProxier, "use-real-proxier", true, "Set to true if you want to use real proxier inside hollow-proxy.")
+}
+
+func (c *HollowNodeConfig) createClientConfigFromFile() (*restclient.Config, error) {
+	clientConfig, err := clientcmd.LoadFromFile(c.KubeconfigPath)
+	if err != nil {
+		return nil, fmt.Errorf("error while loading kubeconfig from file %v: %v", c.KubeconfigPath, err)
+	}
+	config, err := clientcmd.NewDefaultClientConfig(*clientConfig, &clientcmd.ConfigOverrides{}).ClientConfig()
+	if err != nil {
+		return nil, fmt.Errorf("error while creating kubeconfig: %v", err)
+	}
+	config.ContentType = c.ContentType
+	config.QPS = 10
+	config.Burst = 20
+	return config, nil
+}
+
+func main() {
+	rand.Seed(time.Now().UTC().UnixNano())
+
+	command := newHollowNodeCommand()
+
+	// TODO: once we switch everything over to Cobra commands, we can go back to calling
+	// utilflag.InitFlags() (by removing its pflag.Parse() call). For now, we have to set the
+	// normalize func and add the go flag set by hand.
+	pflag.CommandLine.SetNormalizeFunc(utilflag.WordSepNormalizeFunc)
+	pflag.CommandLine.AddGoFlagSet(goflag.CommandLine)
+	// utilflag.InitFlags()
+	logs.InitLogs()
+	defer logs.FlushLogs()
+
+	if err := command.Execute(); err != nil {
+		fmt.Fprintf(os.Stderr, "%v\n", err)
+		os.Exit(1)
+	}
+}
+
+// newControllerManagerCommand creates a *cobra.Command object with default parameters
+func newHollowNodeCommand() *cobra.Command {
+	s := &HollowNodeConfig{}
+
+	cmd := &cobra.Command{
+		Use:  "kubemark",
+		Long: "kubemark",
+		Run: func(cmd *cobra.Command, args []string) {
+			verflag.PrintAndExitIfRequested()
+			run(s)
+		},
+	}
+	s.addFlags(cmd.Flags())
+
+	return cmd
+}
+
+func run(config *HollowNodeConfig) {
+	if !knownMorphs.Has(config.Morph) {
+		glog.Fatalf("Unknown morph: %v. Allowed values: %v", config.Morph, knownMorphs.List())
+	}
+
+	// create a client to communicate with API server.
+	clientConfig, err := config.createClientConfigFromFile()
+	if err != nil {
+		glog.Fatalf("Failed to create a ClientConfig: %v. Exiting.", err)
+	}
+
+	client, err := clientset.NewForConfig(clientConfig)
+	if err != nil {
+		glog.Fatalf("Failed to create a ClientSet: %v. Exiting.", err)
+	}
+	internalClientset, err := internalclientset.NewForConfig(clientConfig)
+	if err != nil {
+		glog.Fatalf("Failed to create an internal ClientSet: %v. Exiting.", err)
+	}
+
+	if config.Morph == "kubelet" {
+		cadvisorInterface := &cadvisortest.Fake{
+			NodeName: config.NodeName,
+		}
+		containerManager := cm.NewStubContainerManager()
+
+		fakeDockerClientConfig := &dockershim.ClientConfig{
+			DockerEndpoint:    libdocker.FakeDockerEndpoint,
+			EnableSleep:       true,
+			WithTraceDisabled: true,
+		}
+
+		hollowKubelet := kubemark.NewHollowKubelet(
+			config.NodeName,
+			client,
+			cadvisorInterface,
+			fakeDockerClientConfig,
+			config.KubeletPort,
+			config.KubeletReadOnlyPort,
+			containerManager,
+			maxPods,
+			podsPerCore,
+		)
+		hollowKubelet.Run()
+	}
+
+	if config.Morph == "proxy" {
+		client, err := clientset.NewForConfig(clientConfig)
+		if err != nil {
+			glog.Fatalf("Failed to create API Server client: %v", err)
+		}
+		iptInterface := fakeiptables.NewFake()
+		sysctl := fakesysctl.NewFake()
+		execer := &fakeexec.FakeExec{}
+		eventBroadcaster := record.NewBroadcaster()
+		recorder := eventBroadcaster.NewRecorder(legacyscheme.Scheme, v1.EventSource{Component: "kube-proxy", Host: config.NodeName})
+
+		hollowProxy, err := kubemark.NewHollowProxyOrDie(
+			config.NodeName,
+			internalClientset,
+			client.CoreV1(),
+			iptInterface,
+			sysctl,
+			execer,
+			eventBroadcaster,
+			recorder,
+			config.UseRealProxier,
+		)
+		if err != nil {
+			glog.Fatalf("Failed to create hollowProxy instance: %v", err)
+		}
+		hollowProxy.Run()
+	}
+}