func()

in operator/controllers/operator/javaagent_controller.go [199:261]
49 lines of code
13 McCabe index (conditional complexity)

func (r *JavaAgentReconciler) UpdateStatus(ctx context.Context, log logr.Logger, namespace, selectorname, podselector string) error {
	errCol := new(kubernetes.ErrorCollector)

	// get javaagent by selectorname
	javaagent := &operatorv1alpha1.JavaAgent{}
	err := r.Client.Get(ctx, client.ObjectKey{Namespace: namespace, Name: selectorname + "-javaagent"}, javaagent)
	if err != nil && !apierrors.IsNotFound(err) {
		errCol.Collect(fmt.Errorf("failed to get javaagent: %w", err))
	}

	// avoid printing error info when the javaagent is creating
	if javaagent.Name == "" {
		log.Info("javaagent is creating...", "name", selectorname+"-javaagent")
		return errCol.Error()
	}

	// return all pods in the request namespace with the podselector
	podList := &core.PodList{}
	label := strings.Split(podselector, "=")
	opts := []client.ListOption{
		client.InNamespace(namespace),
		client.MatchingLabels{label[0]: label[1]},
	}

	if err := r.Client.List(ctx, podList, opts...); err != nil && !apierrors.IsNotFound(err) {
		errCol.Collect(fmt.Errorf("failed to list pod: %w", err))
	}

	// get the pod's number that need to be injected
	expectedInjectedNum := 0
	// get the pod's number that injected successfully
	realInjectedNum := 0
	for i := range podList.Items {
		labels := podList.Items[i].Labels
		annotations := podList.Items[i].Annotations
		if labels != nil && strings.EqualFold(strings.ToLower(labels[injector.ActiveInjectorLabel]), "true") {
			expectedInjectedNum++
		}
		if annotations != nil && strings.EqualFold(strings.ToLower(annotations[injector.SidecarInjectSucceedAnno]), "true") {
			realInjectedNum++
		}
	}

	javaagent.Status.ExpectedInjectedNum = expectedInjectedNum
	javaagent.Status.RealInjectedNum = realInjectedNum

	nilTime := metav1.Time{}
	now := metav1.NewTime(time.Now())
	if javaagent.Status.CreationTime == nilTime {
		javaagent.Status.CreationTime = now
		javaagent.Status.LastUpdateTime = now
	} else {
		javaagent.Status.LastUpdateTime = now
	}

	overlay := javaagent.Status
	if err := r.updateStatus(ctx, javaagent, overlay, errCol); err != nil {
		errCol.Collect(fmt.Errorf("failed to update java status: %w", err))
	}

	log.Info("updated javaagent's status")
	return errCol.Error()
}