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Feat: Improve Error Handling for Server.Scrape #1158

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Merged
merged 3 commits into from
May 29, 2025
Merged

Feat: Improve Error Handling for Server.Scrape #1158

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295cab3
Update querySettings Error Return in Scrape
BoweFlex May 16, 2025
af34eba
Improve Verbosity of queryNamespaceMappings Errors
BoweFlex May 16, 2025
db00e41
Simplify Error Message
BoweFlex May 27, 2025
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9 changes: 7 additions & 2 deletions cmd/postgres_exporter/server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -119,12 +119,17 @@ func (s *Server) Scrape(ch chan<- prometheus.Metric, disableSettingsMetrics bool
if !disableSettingsMetrics && s.master {
if err = querySettings(ch, s); err != nil {
err = fmt.Errorf("error retrieving settings: %s", err)
return err
}
}

errMap := queryNamespaceMappings(ch, s)
if len(errMap) > 0 {
err = fmt.Errorf("queryNamespaceMappings returned %d errors", len(errMap))
if len(errMap) == 0 {
return nil
}
err = fmt.Errorf("queryNamespaceMappings errors encountered")
for namespace, errStr := range errMap {
err = fmt.Errorf("%s, namespace: %s error: %s", err, namespace, errStr)
}

return err
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