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037652d5ae
Use local timezone of the host server in this case. The timezone can be overridden with TZ environment variable if needed. While at it, allow using whitespace instead of T as a delimiter between data and time in the ingested _time field. For example, '2024-09-20 10:20:30' is now accepted during data ingestion. This is valid ISO8601 format, which is used by some log shippers, so it should be supported. This format is also known as SQL datetime format. Also assume local time zone when time without timezone information is passed to querying APIs. Previously such a time was parsed in UTC timezone. Add `Z` to the end of the time string if the old behaviour is preferred. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6721
31 lines
658 B
Go
31 lines
658 B
Go
package timeutil
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import (
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"sync/atomic"
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"time"
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)
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// GetLocalTimezoneOffsetNsecs returns local timezone offset in nanoseconds.
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func GetLocalTimezoneOffsetNsecs() int64 {
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return localTimezoneOffsetNsecs.Load()
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}
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var localTimezoneOffsetNsecs atomic.Int64
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func updateLocalTimezoneOffsetNsecs() {
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_, offset := time.Now().Zone()
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nsecs := int64(offset) * 1e9
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localTimezoneOffsetNsecs.Store(nsecs)
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}
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func init() {
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updateLocalTimezoneOffsetNsecs()
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// Update local timezone offset in a loop, since it may change over the year due to DST.
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go func() {
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t := time.NewTicker(5 * time.Second)
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for range t.C {
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updateLocalTimezoneOffsetNsecs()
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}
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}()
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}
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