func()

in controllers/helpers.go [32:62]

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

func (r *EtcdadmConfigReconciler) ClusterToEtcdadmConfigs(ctx context.Context, o client.Object) []ctrl.Request {
	var result []ctrl.Request

	c, ok := o.(*clusterv1.Cluster)
	if !ok {
		r.Log.Error(errors.Errorf("expected a Cluster but got a %T", o.GetObjectKind()), "failed to get EtcdadmConfigs for Cluster")
		return nil
	}

	selectors := []client.ListOption{
		client.InNamespace(c.Namespace),
		client.MatchingLabels{
			clusterv1.ClusterNameLabel: c.Name,
		},
	}

	machineList := &clusterv1.MachineList{}
	if err := r.Client.List(ctx, machineList, selectors...); err != nil {
		r.Log.Error(err, "failed to list Machines", "Cluster", c.Name, "Namespace", c.Namespace)
		return nil
	}

	for _, m := range machineList.Items {
		if m.Spec.Bootstrap.ConfigRef != nil &&
			m.Spec.Bootstrap.ConfigRef.GroupVersionKind().GroupKind() == etcdbootstrapv1.GroupVersion.WithKind("EtcdadmConfig").GroupKind() {
			name := client.ObjectKey{Namespace: m.Namespace, Name: m.Spec.Bootstrap.ConfigRef.Name}
			result = append(result, ctrl.Request{NamespacedName: name})
		}
	}
	return result
}