make rolling update check if the replication controller has been defaulted

pkg/kubectl/resource/mapper.go

@@ -20,6 +20,7 @@ import (
 	"fmt"
 	"reflect"
 
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/meta"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util/yaml"
@@ -64,13 +65,19 @@ func (m *Mapper) InfoForData(data []byte, source string) (*Info, error) {
 	name, _ := mapping.MetadataAccessor.Name(obj)
 	namespace, _ := mapping.MetadataAccessor.Namespace(obj)
 	resourceVersion, _ := mapping.MetadataAccessor.ResourceVersion(obj)
-	return &Info{
-		Mapping:   mapping,
-		Client:    client,
-		Namespace: namespace,
-		Name:      name,
-		Source:    source,
 
+	var versionedObject interface{}
+
+	if vo, _, _, err := api.Scheme.Raw().DecodeToVersionedObject(data); err == nil {
+		versionedObject = vo
+	}
+	return &Info{
+		Mapping:         mapping,
+		Client:          client,
+		Namespace:       namespace,
+		Name:            name,
+		Source:          source,
+		VersionedObject: versionedObject,
 		Object:          obj,
 		ResourceVersion: resourceVersion,
 	}, nil

pkg/kubectl/resource/visitor.go

@@ -69,6 +69,10 @@ type Info struct {
 	// Optional, Source is the filename or URL to template file (.json or .yaml),
 	// or stdin to use to handle the resource
 	Source string
+	// Optional, this is the provided object in a versioned type before defaulting
+	// and conversions into its corresponding internal type. This is useful for
+	// reflecting on user intent which may be lost after defaulting and conversions.
+	VersionedObject interface{}
 	// Optional, this is the most recent value returned by the server if available
 	runtime.Object
 	// Optional, this is the most recent resource version the server knows about for