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Add scrape_samples_scraped to indicate samples scraped. (#2123)

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Brian Brazil 2016-10-26 17:43:01 +01:00 committed by GitHub
parent bbec65d454
commit 64263f280d
1 changed files with 13 additions and 2 deletions
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15
retrieval/scrape.go
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@ -35,6 +35,7 @@ import (
const (
scrapeHealthMetricName = "up"
scrapeDurationMetricName = "scrape_duration_seconds"
scrapeSamplesMetricName = "scrape_samples_scraped"
// Constants for instrumentation.
namespace = "prometheus"
@ -424,7 +425,7 @@ func (sl *scrapeLoop) run(interval, timeout time.Duration, errc chan<- error) {
errc <- err
}
sl.report(start, time.Since(start), err)
sl.report(start, time.Since(start), len(samples), err)
last = start
} else {
targetSkippedScrapes.WithLabelValues(interval.String()).Inc()
@ -471,7 +472,7 @@ func (sl *scrapeLoop) append(samples model.Samples) {
}
}
func (sl *scrapeLoop) report(start time.Time, duration time.Duration, err error) {
func (sl *scrapeLoop) report(start time.Time, duration time.Duration, scrapedSamples int, err error) {
sl.scraper.report(start, duration, err)
ts := model.TimeFromUnixNano(start.UnixNano())
@ -495,6 +496,13 @@ func (sl *scrapeLoop) report(start time.Time, duration time.Duration, err error)
Timestamp: ts,
Value: model.SampleValue(duration.Seconds()),
}
countSample := &model.Sample{
Metric: model.Metric{
model.MetricNameLabel: scrapeSamplesMetricName,
},
Timestamp: ts,
Value: model.SampleValue(scrapedSamples),
}
if err := sl.reportAppender.Append(healthSample); err != nil {
log.With("sample", healthSample).With("error", err).Warn("Scrape health sample discarded")
@ -502,4 +510,7 @@ func (sl *scrapeLoop) report(start time.Time, duration time.Duration, err error)
if err := sl.reportAppender.Append(durationSample); err != nil {
log.With("sample", durationSample).With("error", err).Warn("Scrape duration sample discarded")
}
if err := sl.reportAppender.Append(countSample); err != nil {
log.With("sample", durationSample).With("error", err).Warn("Scrape sample count sample discarded")
}
}