Sha256: 867b46e71a506922024fe8e5a939b7ebcf451605713ff0b31b82277767640217

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Size: 1.04 KB

Versions: 4

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Stored size: 1.04 KB

Contents

# encoding: utf-8
require "logstash/filters/base"
require "logstash/namespace"

# Execute ruby code.
#
# For example, to cancel 90% of events, you can do this:
# [source,ruby]
#     filter {
#       ruby {
#         # Cancel 90% of events
#         code => "event.cancel if rand <= 0.90"
#       }
#     }
#
class LogStash::Filters::Ruby < LogStash::Filters::Base
  config_name "ruby"

  # Any code to execute at logstash startup-time
  config :init, :validate => :string

  # The code to execute for every event.
  # You will have an `event` variable available that is the event itself.
  config :code, :validate => :string, :required => true

  def register
    # TODO(sissel): Compile the ruby code
    eval(@init, binding, "(ruby filter init)") if @init
    eval("@codeblock = lambda { |event| #{@code} }", binding, "(ruby filter code)")
  end

  def filter(event)
    begin
      @codeblock.call(event)
      filter_matched(event)
    rescue Exception => e
      @logger.error("Ruby exception occurred: #{e}")
      event.tag("_rubyexception")
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version Path
logstash-filter-ruby-3.0.1 lib/logstash/filters/ruby.rb
logstash-filter-ruby-3.0.0 lib/logstash/filters/ruby.rb
logstash-filter-ruby-2.0.5 lib/logstash/filters/ruby.rb
logstash-filter-ruby-2.0.3 lib/logstash/filters/ruby.rb