func()

in main.go [136:181]

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

func (s *server) mutate(admReview *admissionv1.AdmissionReview) error {
	var pod *corev1.Pod

	ar := admReview.Request
	resp := admissionv1.AdmissionResponse{}

	if ar == nil {
		// TODO: Is this right?
		return nil
	}

	if err := json.Unmarshal(ar.Object.Raw, &pod); err != nil {
		return fmt.Errorf("unable unmarshal pod json object %v", err)
	}

	resp.Allowed = true
	resp.UID = ar.UID

	config, err := getConfig(s.c, pod.ObjectMeta.GetAnnotations())
	if err != nil {
		resp.Result = &metav1.Status{Message: err.Error()}
		admReview.Response = &resp
		return nil
	}

	pT := admissionv1.PatchTypeJSONPatch
	resp.PatchType = &pT

	patch, err := createPatch(config, pod.Spec)
	if err != nil {
		return err
	}

	marshaled, err := json.Marshal(patch)
	if err != nil {
		return err
	}
	resp.Patch = marshaled

	resp.Result = &metav1.Status{
		Status: "Success",
	}

	admReview.Response = &resp
	return nil
}