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9d16718acc
* Update TimeGrain interface methods - Make them util functions because it's simpler * Update logs ds to appropiately set resources and timespan * Set timespan using RCF times * Update tests
46 lines
1.5 KiB
Go
46 lines
1.5 KiB
Go
package time
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var (
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// 1m, 5m, 15m, 30m, 1h, 6h, 12h, 1d in milliseconds
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defaultAllowedIntervalsMS = []int64{60000, 300000, 900000, 1800000, 3600000, 21600000, 43200000, 86400000}
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)
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// SetAutoTimeGrain tries to find the closest interval to the query's intervalMs value
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// if the metric has a limited set of possible intervals/time grains then use those
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// instead of the default list of intervals
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func SetAutoTimeGrain(intervalMs int64, timeGrains []int64) (string, error) {
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autoInterval := FindClosestAllowedIntervalMS(intervalMs, timeGrains)
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autoTimeGrain, err := CreateISO8601DurationFromIntervalMS(autoInterval)
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if err != nil {
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return "", err
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}
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return autoTimeGrain, nil
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}
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// FindClosestAllowedIntervalMS is used for the auto time grain setting.
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// It finds the closest time grain from the list of allowed time grains for Azure Monitor
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// using the Grafana interval in milliseconds
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// Some metrics only allow a limited list of time grains. The allowedTimeGrains parameter
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// allows overriding the default list of allowed time grains.
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func FindClosestAllowedIntervalMS(intervalMs int64, allowedTimeGrains []int64) int64 {
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allowedIntervals := defaultAllowedIntervalsMS
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if len(allowedTimeGrains) > 0 {
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allowedIntervals = allowedTimeGrains
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}
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closest := allowedIntervals[0]
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for i, allowed := range allowedIntervals {
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if intervalMs > allowed {
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if i+1 < len(allowedIntervals) {
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closest = allowedIntervals[i+1]
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} else {
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closest = allowed
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}
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}
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}
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return closest
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}
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