func (ks *KubeState) addContainerTerminatedStateReasonToChart(ps *podState, cs *containerState, reason string) {
    id := fmt.Sprintf(containersStateTerminatedChartTmpl.ID, replaceDots(ps.id()), cs.name)
    c := ks.Charts().Get(id)
    if c == nil {
        ks.Warningf("chart '%s' does not exist", id)