In my Logstash pipeline, I am loading JSON messages and later use a ruby filter to detect and apply special logic to fields with null values. ruby { code => " event.to_hash.each { |key,value| if value == nil //some logic here end }" } It works great when the…

Ruby filter - detect null values inside structure

Badger October 28, 2019, 4:48pm 2

Use a script and iterate over the objects. Something like this or this.

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