diff --git a/pkg/endpoints/handlers/create.go b/pkg/endpoints/handlers/create.go index 71f4990a0..78c1d2f52 100644 --- a/pkg/endpoints/handlers/create.go +++ b/pkg/endpoints/handlers/create.go @@ -162,8 +162,13 @@ func createHandler(r rest.NamedCreater, scope *RequestScope, admit admission.Int userInfo, _ := request.UserFrom(ctx) if objectMeta, err := meta.Accessor(obj); err == nil { - // Wipe fields which cannot take user-provided values - rest.WipeObjectMetaSystemFields(objectMeta) + preserveObjectMetaSystemFields := false + if c, ok := r.(rest.SubresourceObjectMetaPreserver); ok && len(scope.Subresource) > 0 { + preserveObjectMetaSystemFields = c.PreserveRequestObjectMetaSystemFieldsOnSubresourceCreate() + } + if !preserveObjectMetaSystemFields { + rest.WipeObjectMetaSystemFields(objectMeta) + } // ensure namespace on the object is correct, or error if a conflicting namespace was set in the object if err := rest.EnsureObjectNamespaceMatchesRequestNamespace(rest.ExpectedNamespaceForResource(namespace, scope.Resource), objectMeta); err != nil { diff --git a/pkg/registry/rest/rest.go b/pkg/registry/rest/rest.go index b8d47ff4f..78b6ea8b0 100644 --- a/pkg/registry/rest/rest.go +++ b/pkg/registry/rest/rest.go @@ -209,6 +209,13 @@ type NamedCreater interface { Create(ctx context.Context, name string, obj runtime.Object, createValidation ValidateObjectFunc, options *metav1.CreateOptions) (runtime.Object, error) } +// SubresourceObjectMetaPreserver adds configuration options to a Creater for subresources. +type SubresourceObjectMetaPreserver interface { + // PreserveRequestObjectMetaSystemFieldsOnSubresourceCreate indicates that a + // handler should preserve fields of ObjectMeta that are managed by the system. + PreserveRequestObjectMetaSystemFieldsOnSubresourceCreate() bool +} + // UpdatedObjectInfo provides information about an updated object to an Updater. // It requires access to the old object in order to return the newly updated object. type UpdatedObjectInfo interface {