73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
|
package final
|
||
|
|
|
||
|
|
import (
|
||
|
|
"time"
|
||
|
|
|
||
|
|
"github.com/influxdata/telegraf"
|
||
|
|
"github.com/influxdata/telegraf/internal"
|
||
|
|
"github.com/influxdata/telegraf/plugins/aggregators"
|
||
|
|
)
|
||
|
|
|
||
|
|
var sampleConfig = `
|
||
|
|
## The period on which to flush & clear the aggregator.
|
||
|
|
period = "30s"
|
||
|
|
## If true, the original metric will be dropped by the
|
||
|
|
## aggregator and will not get sent to the output plugins.
|
||
|
|
drop_original = false
|
||
|
|
|
||
|
|
## The time that a series is not updated until considering it final.
|
||
|
|
series_timeout = "5m"
|
||
|
|
`
|
||
|
|
|
||
|
|
type Final struct {
|
||
|
|
SeriesTimeout internal.Duration `toml:"series_timeout"`
|
||
|
|
|
||
|
|
// The last metric for all series which are active
|
||
|
|
metricCache map[uint64]telegraf.Metric
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewFinal() *Final {
|
||
|
|
return &Final{
|
||
|
|
SeriesTimeout: internal.Duration{Duration: 5 * time.Minute},
|
||
|
|
metricCache: make(map[uint64]telegraf.Metric),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m *Final) SampleConfig() string {
|
||
|
|
return sampleConfig
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m *Final) Description() string {
|
||
|
|
return "Report the final metric of a series"
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m *Final) Add(in telegraf.Metric) {
|
||
|
|
id := in.HashID()
|
||
|
|
m.metricCache[id] = in
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m *Final) Push(acc telegraf.Accumulator) {
|
||
|
|
// Preserve timestamp of original metric
|
||
|
|
acc.SetPrecision(time.Nanosecond)
|
||
|
|
|
||
|
|
for id, metric := range m.metricCache {
|
||
|
|
if time.Since(metric.Time()) > m.SeriesTimeout.Duration {
|
||
|
|
fields := map[string]interface{}{}
|
||
|
|
for _, field := range metric.FieldList() {
|
||
|
|
fields[field.Key+"_final"] = field.Value
|
||
|
|
}
|
||
|
|
acc.AddFields(metric.Name(), fields, metric.Tags(), metric.Time())
|
||
|
|
delete(m.metricCache, id)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m *Final) Reset() {
|
||
|
|
}
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
aggregators.Add("final", func() telegraf.Aggregator {
|
||
|
|
return NewFinal()
|
||
|
|
})
|
||
|
|
}
|