Add 'kubectl set image'

pkg/kubectl/cmd/autoscale.go

@@ -68,7 +68,7 @@ func NewCmdAutoscale(f *cmdutil.Factory, out io.Writer) *cobra.Command {
 	cmd.MarkFlagRequired("max")
 	cmd.Flags().Int("cpu-percent", -1, fmt.Sprintf("The target average CPU utilization (represented as a percent of requested CPU) over all the pods. If it's not specified or negative, the server will apply a default value."))
 	cmd.Flags().String("name", "", "The name for the newly created object. If not specified, the name of the input resource will be used.")
-	cmd.Flags().Bool("dry-run", false, "If true, only print the object that would be sent, without creating it.")
+	cmdutil.AddDryRunFlag(cmd)
 	usage := "Filename, directory, or URL to a file identifying the resource to autoscale."
 	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
 	cmdutil.AddRecursiveFlag(cmd, &options.Recursive)
@@ -160,8 +160,7 @@ func RunAutoscale(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []
 			}
 			object = hpa.Object
 		}
-		// TODO: extract this flag to a central location, when such a location exists.
-		if cmdutil.GetFlagBool(cmd, "dry-run") {
+		if cmdutil.GetDryRunFlag(cmd) {
 			return f.PrintObject(cmd, mapper, object, out)
 		}