Make @metadata accessible via beat.Event accessor methods#10761
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andrewkroh merged 3 commits intoFeb 20, 2019
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This implements a TODO from the beat.Event struct that makes it possible to put/get/delete @metadata values via the accessor methods.
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kvch
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Feb 20, 2019
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| func metadataKey(key string) (string, bool) { | ||
| if !strings.HasPrefix(key, "@metadata") { |
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I am wondering if it would be safer to check for "@metadata."? What if an event includes the key "@metadata2.keyname and wants to delete @metadata2? If I understand correctly so far, it means that Meta gets deleted.
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I added a test case to show that Delete(@metadataSpecial) doesn't cause Meta to be deleted.
The reason it checks for @metadata is to allow for operations like Put(@metadata, map[string]interface{}{x: y}) and Get(@metadata). When it finds that @metadata as the prefix it then checks to see if the next character is a . so in effect it is checking for @metadata..
kvch
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Feb 20, 2019
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This implements a TODO from the beat.Event struct that makes it possible to put/get/delete
@metadatavalues via the accessor methods.