Use name generation on pods via replication controllers

The generated name is '<controllerName>-%s', unless controllerName-
would be long enough to cause a validation error.

pkg/api/rest/resttest/resttest.go

@@ -24,6 +24,7 @@ import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/apiserver"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 )
 
 type Tester struct {
@@ -53,6 +54,28 @@ func (t *Tester) TestCreate(valid runtime.Object, invalid ...runtime.Object) {
 	t.TestCreateInvokesValidation(invalid...)
 }
 
+func (t *Tester) TestCreateResetsUserData(valid runtime.Object) {
+	objectMeta, err := api.ObjectMetaFor(valid)
+	if err != nil {
+		t.Fatalf("object does not have ObjectMeta: %v\n%#v", err, valid)
+	}
+
+	now := util.Now()
+	objectMeta.UID = "bad-uid"
+	objectMeta.CreationTimestamp = now
+
+	channel, err := t.storage.(apiserver.RESTCreater).Create(api.NewDefaultContext(), valid)
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+	if obj := <-channel; obj.Object == nil {
+		t.Fatalf("Unexpected object from channel: %#v", obj)
+	}
+	if objectMeta.UID == "bad-uid" || objectMeta.CreationTimestamp == now {
+		t.Errorf("ObjectMeta did not reset basic fields: %#v", objectMeta)
+	}
+}
+
 func (t *Tester) TestCreateHasMetadata(valid runtime.Object) {
 	objectMeta, err := api.ObjectMetaFor(valid)
 	if err != nil {

pkg/api/rest/types.go

@@ -45,3 +45,26 @@ func (rcStrategy) Validate(obj runtime.Object) errors.ValidationErrorList {
 	controller := obj.(*api.ReplicationController)
 	return validation.ValidateReplicationController(controller)
 }
+
+// podStrategy implements behavior for Pods
+// TODO: move to a pod specific package.
+type podStrategy struct {
+	runtime.ObjectTyper
+	api.NameGenerator
+}
+
+// Pods is the default logic that applies when creating and updating Pod
+// objects.
+var Pods RESTCreateStrategy = podStrategy{api.Scheme, api.SimpleNameGenerator}
+
+// ResetBeforeCreate clears fields that are not allowed to be set by end users on creation.
+func (podStrategy) ResetBeforeCreate(obj runtime.Object) {
+	pod := obj.(*api.Pod)
+	pod.Status = api.PodStatus{}
+}
+
+// Validate validates a new pod.
+func (podStrategy) Validate(obj runtime.Object) errors.ValidationErrorList {
+	pod := obj.(*api.Pod)
+	return validation.ValidatePod(pod)
+}