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lib/promscrape: mention about -promscrape.maxScrapeSize in the error message when target returns too big response

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Aliaksandr Valialkin 2020-05-24 14:41:08 +03:00
parent fbdce0c6ac
commit b747362936
1 changed files with 4 additions and 0 deletions
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4
lib/promscrape/client.go
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@ -96,6 +96,10 @@ func (c *client) ReadData(dst []byte) ([]byte, error) {
scrapesTimedout.Inc()
return dst, fmt.Errorf("error when scraping %q with timeout %s: %s", c.scrapeURL, c.hc.ReadTimeout, err)
}
if err == fasthttp.ErrBodyTooLarge {
return dst, fmt.Errorf("the response from %q exceeds -promscrape.maxScrapeSize=%d; "+
"either reduce the response size for the target or increase -promscrape.maxScrapeSize", c.scrapeURL, *maxScrapeSize)
}
return dst, fmt.Errorf("error when scraping %q: %s", c.scrapeURL, err)
}
dstLen := len(dst)