Esempio n. 1
0
// BeforeDelete tests whether the object can be gracefully deleted. If graceful is set the object
// should be gracefully deleted, if gracefulPending is set the object has already been gracefully deleted
// (and the provided grace period is longer than the time to deletion), and an error is returned if the
// condition cannot be checked or the gracePeriodSeconds is invalid. The options argument may be updated with
// default values if graceful is true.
func BeforeDelete(strategy RESTDeleteStrategy, ctx api.Context, obj runtime.Object, options *api.DeleteOptions) (graceful, gracefulPending bool, err error) {
	if strategy == nil {
		return false, false, nil
	}
	objectMeta, _, kerr := objectMetaAndKind(strategy, obj)
	if kerr != nil {
		return false, false, kerr
	}

	// if the object is already being deleted
	if objectMeta.DeletionTimestamp != nil {
		// if we are already being deleted, we may only shorten the deletion grace period
		// this means the object was gracefully deleted previously but deletionGracePeriodSeconds was not set,
		// so we force deletion immediately
		if objectMeta.DeletionGracePeriodSeconds == nil {
			return false, false, nil
		}
		// only a shorter grace period may be provided by a user
		if options.GracePeriodSeconds != nil {
			period := int64(*options.GracePeriodSeconds)
			if period > *objectMeta.DeletionGracePeriodSeconds {
				return false, true, nil
			}
			now := unversioned.NewTime(unversioned.Now().Add(time.Second * time.Duration(*options.GracePeriodSeconds)))
			objectMeta.DeletionTimestamp = &now
			objectMeta.DeletionGracePeriodSeconds = &period
			options.GracePeriodSeconds = &period
			return true, false, nil
		}
		// graceful deletion is pending, do nothing
		options.GracePeriodSeconds = objectMeta.DeletionGracePeriodSeconds
		return false, true, nil
	}

	if !strategy.CheckGracefulDelete(obj, options) {
		return false, false, nil
	}
	now := unversioned.NewTime(unversioned.Now().Add(time.Second * time.Duration(*options.GracePeriodSeconds)))
	objectMeta.DeletionTimestamp = &now
	objectMeta.DeletionGracePeriodSeconds = options.GracePeriodSeconds
	return true, false, nil
}
Esempio n. 2
0
// FillObjectMetaSystemFields populates fields that are managed by the system on ObjectMeta.
func FillObjectMetaSystemFields(ctx Context, meta *ObjectMeta) {
	meta.CreationTimestamp = unversioned.Now()
	meta.UID = util.NewUUID()
	meta.SelfLink = ""
}