447a51f08b
* feat: kubesphere 4.0 Signed-off-by: ci-bot <ci-bot@kubesphere.io> * feat: kubesphere 4.0 Signed-off-by: ci-bot <ci-bot@kubesphere.io> --------- Signed-off-by: ci-bot <ci-bot@kubesphere.io> Co-authored-by: ks-ci-bot <ks-ci-bot@example.com> Co-authored-by: joyceliu <joyceliu@yunify.com>
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
/*
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* Please refer to the LICENSE file in the root directory of the project.
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* https://github.com/kubesphere/kubesphere/blob/master/LICENSE
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*/
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// 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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// Always do calculation based on UTC.
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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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days := int(end.Sub(start).Hours() / 24)
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if start.Add(time.Duration(days)*24*time.Hour).UTC().Day() != end.UTC().Day() {
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days++
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}
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for i := 0; i <= days; i++ {
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suffix := end.Add(time.Duration(-i) * 24 * time.Hour).UTC().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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