Add a kubectl stop command

pkg/kubectl/cmd/cmd.go

@@ -64,6 +64,8 @@ type Factory struct {
 	Printer func(cmd *cobra.Command, mapping *meta.RESTMapping, noHeaders bool) (kubectl.ResourcePrinter, error)
 	// Returns a Resizer for changing the size of the specified RESTMapping type or an error
 	Resizer func(cmd *cobra.Command, mapping *meta.RESTMapping) (kubectl.Resizer, error)
+	// Returns a Reaper for gracefully shutting down resources.
+	Reaper func(cmd *cobra.Command, mapping *meta.RESTMapping) (kubectl.Reaper, error)
 	// Returns a schema that can validate objects stored on disk.
 	Validator func(*cobra.Command) (validation.Schema, error)
 	// Returns the default namespace to use in cases where no other namespace is specified
@@ -131,11 +133,14 @@ func NewFactory(optionalClientConfig clientcmd.ClientConfig) *Factory {
 			if err != nil {
 				return nil, err
 			}
-			resizer, ok := kubectl.ResizerFor(mapping.Kind, client)
-			if !ok {
-				return nil, fmt.Errorf("no resizer has been implemented for %q", mapping.Kind)
+			return kubectl.ResizerFor(mapping.Kind, client)
+		},
+		Reaper: func(cmd *cobra.Command, mapping *meta.RESTMapping) (kubectl.Reaper, error) {
+			client, err := clients.ClientForVersion(mapping.APIVersion)
+			if err != nil {
+				return nil, err
 			}
-			return resizer, nil
+			return kubectl.ReaperFor(mapping.Kind, client)
 		},
 		Validator: func(cmd *cobra.Command) (validation.Schema, error) {
 			if GetFlagBool(cmd, "validate") {
@@ -206,6 +211,7 @@ Find more information at https://github.com/GoogleCloudPlatform/kubernetes.`,
 	cmds.AddCommand(f.NewCmdResize(out))
 
 	cmds.AddCommand(f.NewCmdRunContainer(out))
+	cmds.AddCommand(f.NewCmdStop(out))
 
 	return cmds
 }

pkg/kubectl/cmd/stop.go

@@ -0,0 +1,56 @@
+/*
+Copyright 2014 Google Inc. 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 cmd
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/spf13/cobra"
+)
+
+func (f *Factory) NewCmdStop(out io.Writer) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "stop <resource> <id>",
+		Short: "Gracefully shutdown a resource",
+		Long: `Gracefully shutdown a resource
+
+Attempts to shutdown and delete a resource that supports graceful termination.
+If the resource is resizable it will be resized to 0 before deletion.
+
+Examples:
+  $ kubectl stop replicationcontroller foo
+  foo stopped
+`,
+		Run: func(cmd *cobra.Command, args []string) {
+			if len(args) != 2 {
+				usageError(cmd, "<resource> <id>")
+			}
+			cmdNamespace, err := f.DefaultNamespace(cmd)
+			mapper, _ := f.Object(cmd)
+			mapping, namespace, name := ResourceFromArgs(cmd, args, mapper, cmdNamespace)
+
+			reaper, err := f.Reaper(cmd, mapping)
+			checkErr(err)
+
+			s, err := reaper.Stop(namespace, name)
+			checkErr(err)
+			fmt.Fprintf(out, "%s\n", s)
+		},
+	}
+	return cmd
+}