Cherry-pick #19346 to 7.x: Add additional time formats to decode_cef #19396
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The date formats in the CEF guide describe the time formats in terms of Java's SimpleTimeFormat class. The `zzz` specifier covers a few additional formats than what are covered by `MST` in Go's time format. Namely on the Go side it was missing support for offsets (e.g. +04, +0400, +04:00). This change additional adds support for the ISO8601 `Z` time zone value (this does not strictly match the CEF guide's format). These are the Java SimpleDateFormats in the CEF guide: MMM dd HH:mm:ss.SSS zzz MMM dd HH:mm:sss.SSS MMM dd HH:mm:ss zzz MMM dd HH:mm:ss MMM dd yyyy HH:mm:ss.SSS zzz MMM dd yyyy HH:mm:ss.SSS MMM dd yyyy HH:mm:ss zzz MMM dd yyyy HH:mm:ss (cherry picked from commit b82829b)
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Cherry-pick of PR #19346 to 7.x branch. Original message:
What does this PR do?
The date formats in the CEF guide describe the time formats in terms of Java's SimpleTimeFormat class.
The
zzzspecifier covers a few additional formats than what are covered byMSTin Go's time format.Namely on the Go side it was missing support for offsets (e.g. +04, +0400, +04:00). This change additionally
adds support for the ISO8601
Ztime zone value (this does not strictly match the CEF guide's format).For reference these are the Java SimpleDateFormats in the CEF guide:
MMM dd HH:mm:ss.SSS zzz
MMM dd HH:mm:sss.SSS
MMM dd HH:mm:ss zzz
MMM dd HH:mm:ss
MMM dd yyyy HH:mm:ss.SSS zzz
MMM dd yyyy HH:mm:ss.SSS
MMM dd yyyy HH:mm:ss zzz
MMM dd yyyy HH:mm:ss
Why is it important?
It makes the decode_cef parser more closely match the CEF guide specification.
Checklist
CHANGELOG.next.asciidocorCHANGELOG-developer.next.asciidoc.