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app/vmselect: properly apply -search.maxLookback to queries sent to /api/v1/query

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This commit is contained in:
Aliaksandr Valialkin 2020-04-17 12:24:10 +03:00
parent 830538e290
commit f41e6a7bd9
1 changed files with 8 additions and 5 deletions
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13
app/vmselect/prometheus/prometheus.go
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@ -576,15 +576,18 @@ func QueryHandler(startTime time.Time, w http.ResponseWriter, r *http.Request) e
if err != nil {
return err
}
step, err := getDuration(r, "step", defaultStep)
if err != nil {
return err
}
deadline := getDeadlineForQuery(r)
lookbackDelta, err := getMaxLookback(r)
if err != nil {
return err
}
step, err := getDuration(r, "step", lookbackDelta)
if err != nil {
return err
}
if step <= 0 {
step = defaultStep
}
deadline := getDeadlineForQuery(r)
if len(query) > *maxQueryLen {
return fmt.Errorf("too long query; got %d bytes; mustn't exceed `-search.maxQueryLen=%d` bytes", len(query), *maxQueryLen)