kubernetes/staging/src/k8s.io/apiserver/pkg/registry/rest/create.go

type RESTCreateStrategy …

// BeforeCreate ensures that common operations for all resources are performed on creation. It only returns
// errors that can be converted to api.Status. It invokes PrepareForCreate, then Validate.
// It returns nil if the object should be created.
func BeforeCreate(strategy RESTCreateStrategy, ctx context.Context, obj runtime.Object) error { … }

// CheckGeneratedNameError checks whether an error that occurred creating a resource is due
// to generation being unable to pick a valid name.
func CheckGeneratedNameError(ctx context.Context, strategy RESTCreateStrategy, err error, obj runtime.Object) error { … }

// objectMetaAndKind retrieves kind and ObjectMeta from a runtime object, or returns an error.
func objectMetaAndKind(typer runtime.ObjectTyper, obj runtime.Object) (metav1.Object, schema.GroupVersionKind, error) { … }

type NamespaceScopedStrategy …

// AdmissionToValidateObjectFunc converts validating admission to a rest validate object func
func AdmissionToValidateObjectFunc(admit admission.Interface, staticAttributes admission.Attributes, o admission.ObjectInterfaces) ValidateObjectFunc { … }