// TODO: add other common fields that require global validation.
func validateCommonFields(obj, old runtime.Object) (field.ErrorList, error) {
allErrs := field.ErrorList{}
objectMeta, err := api.ObjectMetaFor(obj)
if err != nil {
return nil, fmt.Errorf("failed to get new object metadata: %v", err)
}
oldObjectMeta, err := api.ObjectMetaFor(old)
if err != nil {
return nil, fmt.Errorf("failed to get old object metadata: %v", err)
}
allErrs = append(allErrs, validation.ValidateObjectMetaUpdate(objectMeta, oldObjectMeta, field.NewPath("metadata"))...)
return allErrs, nil
}
func (t *Tester) getObjectMetaOrFail(obj runtime.Object) *api.ObjectMeta {
meta, err := api.ObjectMetaFor(obj)
if err != nil {
t.Fatalf("object does not have ObjectMeta: %v\n%#v", err, obj)
}
return meta
}
// ObjectReaction returns a ReactionFunc that takes a generic action string of the form
// <verb>-<resource> or <verb>-<subresource>-<resource> and attempts to return a runtime
// Object or error that matches the requested action. For instance, list-replicationControllers
// should attempt to return a list of replication controllers. This method delegates to the
// ObjectRetriever interface to satisfy retrieval of lists or retrieval of single items.
// TODO: add support for sub resources
func ObjectReaction(o ObjectRetriever, mapper meta.RESTMapper) ReactionFunc {
return func(action Action) (bool, runtime.Object, error) {
kind, err := mapper.KindFor(unversioned.GroupVersionResource{Resource: action.GetResource()})
if err != nil {
return false, nil, fmt.Errorf("unrecognized action %s: %v", action.GetResource(), err)
}
// TODO: have mapper return a Kind for a subresource?
switch castAction := action.(type) {
case ListAction:
kind.Kind += "List"
resource, err := o.Kind(kind, "")
return true, resource, err
case GetAction:
resource, err := o.Kind(kind, castAction.GetName())
return true, resource, err
case DeleteAction:
resource, err := o.Kind(kind, castAction.GetName())
return true, resource, err
case CreateAction:
meta, err := api.ObjectMetaFor(castAction.GetObject())
if err != nil {
return true, nil, err
}
resource, err := o.Kind(kind, meta.Name)
return true, resource, err
case UpdateAction:
meta, err := api.ObjectMetaFor(castAction.GetObject())
if err != nil {
return true, nil, err
}
resource, err := o.Kind(kind, meta.Name)
return true, resource, err
default:
return false, nil, fmt.Errorf("no reaction implemented for %s", action)
}
return true, nil, nil
}
}
// objectMetaAndKind retrieves kind and ObjectMeta from a runtime object, or returns an error.
func objectMetaAndKind(typer runtime.ObjectTyper, obj runtime.Object) (*api.ObjectMeta, unversioned.GroupVersionKind, error) {
objectMeta, err := api.ObjectMetaFor(obj)
if err != nil {
return nil, unversioned.GroupVersionKind{}, errors.NewInternalError(err)
}
kind, err := typer.ObjectKind(obj)
if err != nil {
return nil, unversioned.GroupVersionKind{}, errors.NewInternalError(err)
}
return objectMeta, kind, nil
}