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app/vmselect/prometheus: allow passing relative time to start, end and time args of /api/v1/* queries

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This commit is contained in:
Aliaksandr Valialkin 2020-03-29 21:56:37 +03:00
parent 2ebf7d86ff
commit 0c485f14d1
1 changed files with 9 additions and 1 deletions
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10
app/vmselect/prometheus/prometheus.go
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@ -840,7 +840,15 @@ func getTime(r *http.Request, argKey string, defaultValue int64) (int64, error)
case prometheusMaxTimeFormatted:
return maxTimeMsecs, nil
}
return 0, fmt.Errorf("cannot parse %q=%q: %s", argKey, argValue, err)
// Try parsing duration relative to the current time
d, err1 := time.ParseDuration(argValue)
if err1 != nil {
return 0, fmt.Errorf("cannot parse %q=%q: %s", argKey, argValue, err)
}
if d > 0 {
d = -d
}
t = time.Now().Add(d)
}
secs = float64(t.UnixNano()) / 1e9
}