[receiver/prometheus] include scrape configs provided via scrape_config_files
#34897
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… up receiver Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com>
Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com>
bacherfl
changed the title
scrape_config_files
Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com>
Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com>
Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com>
bacherfl
commented
Aug 28, 2024
| if !enableNativeHistogramsGate.IsEnabled() { | ||
| // Enforce scraping classic histograms to avoid dropping them. | ||
| for _, scrapeConfig := range cfg.ScrapeConfigs { | ||
| for _, scrapeConfig := range scrapeConfigs { |
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Here we have the limitation that the scrapeConfig.ScrapeClassigHistograms property is only applied to the scrapeconfigs provided directly in the config, but not the ones via scrape_config_files, as the scrapeManager internally calls GetScrapeConfigs(), which leads to the scrapeConfigs being read from the file system again.
One potential solution could be to set cfg.ScrapeConfigs here to the result of GetScrapeConfigs(), and clear the ScrapeConfigFiles property, but this feels a bit hacky. What do you think @dashpole ?
# Conflicts: # receiver/prometheusreceiver/config.go # receiver/prometheusreceiver/metrics_receiver.go
Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com>
Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com>
Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com>
atoulme
reviewed
Sep 4, 2024
Co-authored-by: Antoine Toulme <antoine@toulme.name>
Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com>
iblancasa
approved these changes
Sep 9, 2024
dashpole
approved these changes
Sep 9, 2024
dashpole
added
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Description: This PR fixes a bug in the prometheus receiver where the scrape configs provided via
scrape_config_fileswere not applied. Usingscrape_config_filesinstead of providing the scrape configs directly does come with some limitations regarding the use of env vars, as also mentioned in #34786 (comment).Link to tracking Issue: #34786
Testing: Added unit tests