79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
package internal_models
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import (
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"log"
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"time"
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"github.com/influxdata/telegraf"
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)
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const DEFAULT_POINT_BUFFER_LIMIT = 10000
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type RunningOutput struct {
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Name string
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Output telegraf.Output
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Config *OutputConfig
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Quiet bool
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PointBufferLimit int
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metrics []telegraf.Metric
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overwriteCounter int
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}
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func NewRunningOutput(
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name string,
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output telegraf.Output,
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conf *OutputConfig,
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) *RunningOutput {
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ro := &RunningOutput{
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Name: name,
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metrics: make([]telegraf.Metric, 0),
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Output: output,
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Config: conf,
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PointBufferLimit: DEFAULT_POINT_BUFFER_LIMIT,
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}
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return ro
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}
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func (ro *RunningOutput) AddPoint(point telegraf.Metric) {
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if ro.Config.Filter.IsActive {
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if !ro.Config.Filter.ShouldMetricPass(point) {
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return
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}
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}
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if len(ro.metrics) < ro.PointBufferLimit {
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ro.metrics = append(ro.metrics, point)
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} else {
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log.Printf("WARNING: overwriting cached metrics, you may want to " +
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"increase the metric_buffer_limit setting in your [agent] config " +
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"if you do not wish to overwrite metrics.\n")
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if ro.overwriteCounter == len(ro.metrics) {
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ro.overwriteCounter = 0
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}
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ro.metrics[ro.overwriteCounter] = point
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ro.overwriteCounter++
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}
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}
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func (ro *RunningOutput) Write() error {
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start := time.Now()
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err := ro.Output.Write(ro.metrics)
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elapsed := time.Since(start)
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if err == nil {
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if !ro.Quiet {
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log.Printf("Wrote %d metrics to output %s in %s\n",
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len(ro.metrics), ro.Name, elapsed)
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}
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ro.metrics = make([]telegraf.Metric, 0)
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ro.overwriteCounter = 0
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}
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return err
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}
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// OutputConfig containing name and filter
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type OutputConfig struct {
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Name string
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Filter Filter
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}
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