delete.go

func (s *REST) Delete(ctx context.Context, name string, validateObjectFunc rest.ValidateObjectFunc, options *metav1.DeleteOptions) (runtime.Object, bool, error) {
	client, err := s.getImpersonatingClient(ctx)
	if err != nil {
		return nil, false, err
	}

	var resourceVersion string
	if options != nil && options.Preconditions != nil && options.Preconditions.ResourceVersion != nil {
		resourceVersion = *options.Preconditions.ResourceVersion
	}

	cur, err := client.Get(name, metav1.GetOptions{ResourceVersion: resourceVersion})
	if err != nil {
		return nil, false, err
	}

	if options != nil && options.Preconditions != nil && options.Preconditions.UID != nil && cur.UID != *options.Preconditions.UID {
		return &metav1.Status{Status: metav1.StatusFailure, Reason: metav1.StatusReasonConflict, Message: "UID does not match"}, true, nil
	}

	if err := validateObjectFunc(ctx, cur); err != nil {
		return nil, false, err
	}

	if options == nil {
		options = &metav1.DeleteOptions{
			Preconditions: &metav1.Preconditions{
				UID:             &cur.UID,
				ResourceVersion: &cur.ResourceVersion,
			},
		}
	} else {
		if options.Preconditions != nil && options.Preconditions.ResourceVersion != nil && *options.Preconditions.ResourceVersion != cur.ResourceVersion {
			return &metav1.Status{Status: metav1.StatusFailure, Reason: metav1.StatusReasonConflict, Message: "ResourceVersion does not match"}, true, nil
		}
	}

	if err := client.Delete(name, options); err != nil {
		return nil, false, err
	}

	return &metav1.Status{Status: metav1.StatusSuccess}, true, nil
}