func()

in apimachinery/lease/controller.go [179:198]

• 19 lines of code
• 6 McCabe index (conditional complexity)

func (c *controller) retryUpdateLease(base *coordinationv1.Lease) error {
	for i := 0; i < maxUpdateRetries; i++ {
		leaseToUpdate, _ := c.newLease(base)
		lease, err := c.leaseClient.Update(context.TODO(), leaseToUpdate, metav1.UpdateOptions{})
		if err == nil {
			c.latestLease = lease
			return nil
		}
		klog.Errorf("failed to update lease, error: %v", err)
		// OptimisticLockError requires getting the newer version of lease to proceed.
		if apierrors.IsConflict(err) {
			base, _ = c.backoffEnsureLease()
			continue
		}
		if i > 0 && c.onRepeatedHeartbeatFailure != nil {
			c.onRepeatedHeartbeatFailure()
		}
	}
	return fmt.Errorf("failed %d attempts to update lease", maxUpdateRetries)
}