// assignMetricMeta assigs metadata to metric using predefined metadata slice
func assignMetricMeta(mt *plugin.MetricType, allMetrics []metric) {
	for _, metricMeta := range allMetrics {
		if matchSlice(strings.Split(metricMeta.ns, "/"), strings.Split(mt.Namespace().String(), "/")) {
			mt.Description_ = metricMeta.description
			break
		}
	}
}