for cid, c := range clusters {
			outCluster := *c
			out[secret][cid] = &outCluster
		}
	}
	return out
}

// GetExistingClustersFor return existing clusters registered for the given secret
func (c *ClusterStore) GetExistingClustersFor(secretKey string) []*Cluster {
	c.RLock()
	defer c.RUnlock()
	out := make([]*Cluster, 0, len(c.remoteClusters[secretKey]))

	}, nil
}

func (c *Controller) addSecret(name types.NamespacedName, s *corev1.Secret) error {
	secretKey := name.String()
	// First delete clusters
	existingClusters := c.cs.GetExistingClustersFor(secretKey)
	for _, existingCluster := range existingClusters {
		if _, ok := s.Data[string(existingCluster.ID)]; !ok {
			c.deleteCluster(secretKey, existingCluster)
		}
	}

	var errs *multierror.Error