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lib/promscrape: set up=0 for partially failed scrape in stream parsing mode

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This behaviour aligns with Prometheus behavior
This commit is contained in:
Aliaksandr Valialkin 2022-07-22 13:28:57 +03:00
parent 01755fac38
commit 1b5799f894
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2 changed files with 4 additions and 3 deletions
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1
docs/CHANGELOG.md
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@ -20,6 +20,7 @@ The following tip changes can be tested by building VictoriaMetrics components f
* FEATURE: [vmauth](https://docs.victoriametrics.com/vmagent.html): allow duplicate username records with different passwords at configuration file. It should allow password rotation without username change.
* FEATURE: add ability to push internal metrics (e.g. metrics exposed at `/metrics` page) to the configured remote storage from all the VictoriaMetrics components. See [these docs](https://docs.victoriametrics.com/#push-metrics).
* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): set `up` metric to `0` for partial scrapes in [stream parsing mode](https://docs.victoriametrics.com/vmagent.html#stream-parsing-mode). Previously the `up` metric was set to `1` when at least a single metric has been scraped before the error. This aligns the behaviour of `vmselect` with Prometheus.
* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): restart all the scrape jobs during [config reload](https://docs.victoriametrics.com/vmagent.html#configuration-update) after `global` section is changed inside `-promscrape.config`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2884).
* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): properly assume role with AWS ECS credentials. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2875). Thanks to @transacid for [the fix](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2876).
* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): return series from `q1` if `q2` doesn't return matching time series in the query `q1 ifnot q2`. Previously series from `q1` weren't returned in this case.

4
lib/promscrape/scrapework.go
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@ -585,9 +585,9 @@ func (sw *scrapeWork) scrapeStream(scrapeTimestamp, realTimestamp int64) error {
scrapeResponseSize.Update(float64(sbr.bodyLen))
up := 1
if err != nil {
if samplesScraped == 0 {
// Mark the scrape as failed even if it already read and pushed some samples
// to remote storage. This makes the logic compatible with Prometheus.
up = 0
}
scrapesFailed.Inc()
}
seriesAdded := 0