33 lines
864 B
Go
33 lines
864 B
Go
// TODO: refactor
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package esutil
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import (
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"fmt"
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"strings"
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"time"
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)
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// KubeSphere uses the layout `yyyy.MM.dd`.
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const layoutISO = "2006.01.02"
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func ResolveIndexNames(prefix string, start, end time.Time) string {
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if end.IsZero() {
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end = time.Now()
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}
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// In case of no start time or a broad query range over 30 days, search all indices.
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if start.IsZero() || end.Sub(start).Hours() > 24*30 {
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return fmt.Sprintf("%s*", prefix)
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}
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var indices []string
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for i := 0; i <= int(end.Sub(start).Hours()/24); i++ {
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suffix := end.Add(time.Duration(-i) * 24 * time.Hour).Format(layoutISO)
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indices = append(indices, fmt.Sprintf("%s-%s", prefix, suffix))
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}
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// If start is after end, ResolveIndexNames returns "".
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// However, query parameter validation will prevent it from happening at the very beginning (Bad Request).
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return strings.Join(indices, ",")
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}
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