Class: LogStash::Filters::JsonWrap

Inherits:
Base
  • Object
show all
Defined in:
lib/logstash/filters/json_wrap.rb

Instance Method Summary collapse

Instance Method Details

#filter(event) ⇒ Object 



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# File 'lib/logstash/filters/json_wrap.rb', line 22

def filter(event)
  begin
    s = event.clone()
    n = LogStash::Event.new({})

    @exclude.each do |e|
      # need to to get and remove in two steps because "@metadata" can't be
      # removed, so the call s.remove("@metadata") returns nil
      v = s.get(e)
      s.remove(e)
      n.set(e, v) if nil != v
    end

    n.set(@target, s.to_json())

    filter_matched(n)
  rescue Exception => e
    @logger.warn("an error occurred", :exception => e)
    @tags_on_failure.each { |t| event.tag(t) }
    return
  end
  yield n

  event.cancel

rescue Exception => e
  @logger.warn("an error occurred", :exception => e)
  @tags_on_failure.each { |t| n.tag(t) }
  @tags_on_failure.each { |t| event.tag(t) }
end

#register ⇒ Object 



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# File 'lib/logstash/filters/json_wrap.rb', line 18

def register
end