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

type RESTUpdateStrategy …

// TODO: add other common fields that require global validation.
func validateCommonFields(obj, old runtime.Object, strategy RESTUpdateStrategy) (field.ErrorList, error) { … }

// BeforeUpdate ensures that common operations for all resources are performed on update. It only returns
// errors that can be converted to api.Status. It will invoke update validation with the provided existing
// and updated objects.
// It sets zero values only if the object does not have a zero value for the respective field.
func BeforeUpdate(strategy RESTUpdateStrategy, ctx context.Context, obj, old runtime.Object) error { … }

type TransformFunc …

type defaultUpdatedObjectInfo …

// DefaultUpdatedObjectInfo returns an UpdatedObjectInfo impl based on the specified object.
func DefaultUpdatedObjectInfo(obj runtime.Object, transformers ...TransformFunc) UpdatedObjectInfo { … }

// Preconditions satisfies the UpdatedObjectInfo interface.
func (i *defaultUpdatedObjectInfo) Preconditions() *metav1.Preconditions { … }

// UpdatedObject satisfies the UpdatedObjectInfo interface.
// It returns a copy of the held obj, passed through any configured transformers.
func (i *defaultUpdatedObjectInfo) UpdatedObject(ctx context.Context, oldObj runtime.Object) (runtime.Object, error) { … }

type wrappedUpdatedObjectInfo …

// WrapUpdatedObjectInfo returns an UpdatedObjectInfo impl that delegates to
// the specified objInfo, then calls the passed transformers
func WrapUpdatedObjectInfo(objInfo UpdatedObjectInfo, transformers ...TransformFunc) UpdatedObjectInfo { … }

// Preconditions satisfies the UpdatedObjectInfo interface.
func (i *wrappedUpdatedObjectInfo) Preconditions() *metav1.Preconditions { … }

// UpdatedObject satisfies the UpdatedObjectInfo interface.
// It delegates to the wrapped objInfo and passes the result through any configured transformers.
func (i *wrappedUpdatedObjectInfo) UpdatedObject(ctx context.Context, oldObj runtime.Object) (runtime.Object, error) { … }

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