Class: LogStash::Outputs::Slack

Inherits:
Base
  • Object
show all
Defined in:
lib/logstash/outputs/slack.rb

Instance Method Summary collapse

Instance Method Details

#receive(event) ⇒ Object 



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# File 'lib/logstash/outputs/slack.rb', line 40

def receive(event)
  return unless output?(event)

  payload_json = Hash.new
  payload_json['text'] = event.sprintf(@format)
  url = event.sprintf(@url)

  if not @channel.nil?
    payload_json['channel'] = event.sprintf(@channel)
  end

  if not @username.nil?
    payload_json['username'] = event.sprintf(@username)
  end

  if not @icon_emoji.nil?
    payload_json['icon_emoji'] = @icon_emoji
  end

  if not @icon_url.nil?
    payload_json['icon_url'] = @icon_url
  end

  if @attachments and @attachments.any?
    payload_json['attachments'] = @attachments.map { |x| JSON.parse(event.sprintf(JSON.dump(x))) }
  end
  if event.include?('attachments') and event.get('attachments').is_a?(Array)
    if event.get('attachments').any?
      # need to convert possibly from Java objects to Ruby Array, because
      # JSON dumps does not work well with Java ArrayLists, etc.
      rubified = JSON.parse(event.to_json())
      payload_json['attachments'] = rubified['attachments']
    else
      payload_json.delete('attachments')
    end
  end

  begin
    RestClient.post(
      url,
      "payload=#{CGI.escape(JSON.dump(payload_json))}",
      :accept => "application/json",
      :'User-Agent' => "logstash-output-slack",
      :content_type => @content_type) { |response, request, result, &block|
        if response.code != 200
          @logger.warn("Got a #{response.code} response: #{response}")
        end
      }
  rescue Exception => e
    @logger.warn("Unhandled exception", :exception => e,
                 :stacktrace => e.backtrace)
  end
end

#register ⇒ Object 



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# File 'lib/logstash/outputs/slack.rb', line 31

def register
  require 'rest-client'
  require 'cgi'
  require 'json'

  @content_type = "application/x-www-form-urlencoded"
end