Ejemplo n.º 1
0
func (m *MinMax) Add(in telegraf.Metric) {
	id := in.HashID()
	if _, ok := m.cache[id]; !ok {
		// hit an uncached metric, create caches for first time:
		a := aggregate{
			name:   in.Name(),
			tags:   in.Tags(),
			fields: make(map[string]minmax),
		}
		for k, v := range in.Fields() {
			if fv, ok := convert(v); ok {
				a.fields[k] = minmax{
					min: fv,
					max: fv,
				}
			}
		}
		m.cache[id] = a
	} else {
		for k, v := range in.Fields() {
			if fv, ok := convert(v); ok {
				if _, ok := m.cache[id].fields[k]; !ok {
					// hit an uncached field of a cached metric
					m.cache[id].fields[k] = minmax{
						min: fv,
						max: fv,
					}
					continue
				}
				if fv < m.cache[id].fields[k].min {
					tmp := m.cache[id].fields[k]
					tmp.min = fv
					m.cache[id].fields[k] = tmp
				} else if fv > m.cache[id].fields[k].max {
					tmp := m.cache[id].fields[k]
					tmp.max = fv
					m.cache[id].fields[k] = tmp
				}
			}
		}
	}
}