[8.x](backport #41424) [libbeat]: Add lowercase processor #41526
+629
−6
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Proposed commit message
Part of #22254
This PR implements the
lowercase
processor. It continues the implementation done here #34022. It converts event keys that match the provided fields to lowercase. It performs case insensitive matching by defaultExample:
NewAlterFieldProcessor
can be used to extenduppercase
processor.This is an automatic backport of pull request #41424 done by [Mergify](https://mergify.com).