Add kubectl to the hyperkube binary

cmd/hyperkube/kubectl.go

+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+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 (
+	"os"
+
+	"k8s.io/kubernetes/cmd/kubectl/app"
+)
+
+func NewKubectlServer() *Server {
+	return &Server{
+		name:        "kubectl",
+		SimpleUsage: "Kubernetes command line client",
+		Long:        "Kubernetes command line client",
+		Run: func(s *Server, args []string) error {
+			os.Args = os.Args[1:]
+			if err := app.Run(); err != nil {
+				os.Exit(1)
+			}
+			os.Exit(0)
+			return nil
+		},
+	}
+}

cmd/hyperkube/main.go

@@ -31,6 +31,7 @@ func main() {
 		Long: "This is an all-in-one binary that can run any of the various Kubernetes servers.",
 	}
 
+	hk.AddServer(NewKubectlServer())
 	hk.AddServer(NewKubeAPIServer())
 	hk.AddServer(NewKubeControllerManager())
 	hk.AddServer(NewScheduler())

cmd/kubectl/app/kubectl.go

+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+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 app
+
+import (
+	"os"
+
+	"k8s.io/kubernetes/pkg/kubectl/cmd"
+	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
+)
+
+func Run() error {
+	cmd := cmd.NewKubectlCommand(cmdutil.NewFactory(nil), os.Stdin, os.Stdout, os.Stderr)
+	return cmd.Execute()
+}

cmd/kubectl/kubectl.go

@@ -20,14 +20,13 @@ import (
 	"os"
 	"runtime"
 
-	"k8s.io/kubernetes/pkg/kubectl/cmd"
-	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
+	"k8s.io/kubernetes/cmd/kubectl/app"
 )
 
 func main() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
-	cmd := cmd.NewKubectlCommand(cmdutil.NewFactory(nil), os.Stdin, os.Stdout, os.Stderr)
-	if err := cmd.Execute(); err != nil {
+	if err := app.Run(); err != nil {
 		os.Exit(1)
 	}
+	os.Exit(0)
 }