Example #1
0
func (d *Daemon) getFilteredLabels(allLabels map[string]string) labels.Labels {
	var ciliumLabels, k8sLabels labels.Labels
	if podName := k8sDockerLbls.GetPodName(allLabels); podName != "" {
		k8sNormalLabels, err := d.fetchK8sLabels(allLabels)
		if err != nil {
			log.Warningf("Error while getting kubernetes labels: %s", err)
		} else if k8sNormalLabels != nil {
			k8sLabels = labels.Map2Labels(k8sNormalLabels, common.K8sLabelSource)
		}
	}

	ciliumLabels = labels.Map2Labels(allLabels, common.CiliumLabelSource)

	ciliumLabels.MergeLabels(k8sLabels)

	d.conf.ValidLabelPrefixesMU.RLock()
	defer d.conf.ValidLabelPrefixesMU.RUnlock()
	return d.conf.ValidLabelPrefixes.FilterLabels(ciliumLabels)
}
Example #2
0
func (d *Daemon) fetchK8sLabels(dockerLbls map[string]string) (map[string]string, error) {
	if !d.conf.IsK8sEnabled() {
		return nil, nil
	}
	ns := k8sDockerLbls.GetPodNamespace(dockerLbls)
	if ns == "" {
		ns = "default"
	}
	podName := k8sDockerLbls.GetPodName(dockerLbls)
	if podName == "" {
		return nil, nil
	}
	log.Debugf("Connecting to kubernetes to retrieve labels for pod %s ns %s", podName, ns)

	result, err := d.k8sClient.Pods(ns).Get(podName)
	if err != nil {
		return nil, err
	}
	k8sLabels := result.GetLabels()
	k8sLabels[common.K8sPodNamespaceLabel] = ns
	return k8sLabels, nil
}