allow kubectl cmd to process dirs recursively

reqs:
    - the kubectl cmd must support the -f | --filename flag
    - the kubectl cmd must support visiting a dir one level deep,
    or using more than one resource

pkg/kubectl/cmd/create.go

@@ -35,6 +35,7 @@ import (
 // referencing the cmd.Flags()
 type CreateOptions struct {
 	Filenames []string
+	Recursive bool
 }
 
 const (
@@ -71,6 +72,7 @@ func NewCmdCreate(f *cmdutil.Factory, out io.Writer) *cobra.Command {
 	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
 	cmd.MarkFlagRequired("filename")
 	cmdutil.AddValidateFlags(cmd)
+	cmdutil.AddRecursiveFlag(cmd, &options.Recursive)
 	cmdutil.AddOutputFlagsForMutation(cmd)
 	cmdutil.AddApplyAnnotationFlags(cmd)
 	cmdutil.AddRecordFlag(cmd)
@@ -106,7 +108,7 @@ func RunCreate(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, options *C
 		Schema(schema).
 		ContinueOnError().
 		NamespaceParam(cmdNamespace).DefaultNamespace().
-		FilenameParam(enforceNamespace, options.Filenames...).
+		FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
 		Flatten().
 		Do()
 	err = r.Err()