Add generated file

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

vendor/k8s.io/kubernetes/cmd/gendocs/gen_kubectl_docs.go

@@ -0,0 +1,51 @@
+/*
+Copyright 2014 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 (
+	"fmt"
+	"io/ioutil"
+	"os"
+
+	"github.com/spf13/cobra/doc"
+	"k8s.io/kubernetes/cmd/genutils"
+	"k8s.io/kubernetes/pkg/kubectl/cmd"
+)
+
+func main() {
+	// use os.Args instead of "flags" because "flags" will mess up the man pages!
+	path := "docs/"
+	if len(os.Args) == 2 {
+		path = os.Args[1]
+	} else if len(os.Args) > 2 {
+		fmt.Fprintf(os.Stderr, "usage: %s [output directory]\n", os.Args[0])
+		os.Exit(1)
+	}
+
+	outDir, err := genutils.OutDir(path)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to get output directory: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Set environment variables used by kubectl so the output is consistent,
+	// regardless of where we run.
+	os.Setenv("HOME", "/home/username")
+	// TODO os.Stdin should really be something like ioutil.Discard, but a Reader
+	kubectl := cmd.NewKubectlCommand(os.Stdin, ioutil.Discard, ioutil.Discard)
+	doc.GenMarkdownTree(kubectl, outDir)
+}