func()

in controllers/healthcheck.go [98:130]

• 30 lines of code
• 5 McCabe index (conditional complexity)

func (r *EtcdadmClusterReconciler) getEtcdHttpClient(ctx context.Context, cluster *clusterv1.Cluster) (*http.Client, error) {
	httpClientVal, httpClientExists := r.etcdHealthCheckConfig.clusterToHttpClient.Load(cluster.UID)
	if httpClientExists {
		httpClient, ok := httpClientVal.(*http.Client)
		if ok {
			return httpClient, nil
		}
	}

	caCertPool := x509.NewCertPool()
	caCert, err := r.getCACert(ctx, cluster)
	if err != nil {
		return nil, err
	}
	caCertPool.AppendCertsFromPEM(caCert)

	clientCert, err := r.getClientCerts(ctx, cluster)
	if err != nil {
		return nil, errors.Wrap(err, "Error getting client cert for healthcheck")
	}

	etcdHttpClient := &http.Client{
		Timeout: httpClientTimeout,
		Transport: &http.Transport{
			TLSClientConfig: &tls.Config{
				RootCAs:      caCertPool,
				Certificates: []tls.Certificate{clientCert},
			},
		},
	}
	r.etcdHealthCheckConfig.clusterToHttpClient.Store(cluster.UID, etcdHttpClient)
	return etcdHttpClient, nil
}