}
func (a prometheusHostAdapter) GetVersionInfo() (*cadvisorapi.VersionInfo, error) {
	return a.host.GetVersionInfo()
}
func (a prometheusHostAdapter) GetMachineInfo() (*cadvisorapi.MachineInfo, error) {
	return a.host.GetCachedMachineInfo()
}

func containerPrometheusLabelsFunc(s stats.Provider) metrics.ContainerLabelsFunc {