Logstash ruby filter doesn't parse json and return whole message field in Kibana

[A_B]

Maybe this will help

Flatten json array in Logstash

I just came across this post again via a Google search when looking to solve exactly the same issue. On the basis that others might too, I wanted to add to it some ruby code that might be useful for others doing this, that will combine the elements of an array into a single string: ruby { code => 'event["hashtags_array"] = event["[entities][hashtags]"].collect { |m| m["text"] } unless event["[entities][hashtags]"].nil? event["hashtags_list"] = event["hashtags_array"].join(",") unless event["[h…