NGINX request time custom format

nginx_request_time_format.rb

#!/usr/bin/env ruby -w

require 'request_log_analyzer'

# for use with wvanbergen/request-log-analyzer
class NginxRequestTimeFormat < RequestLogAnalyzer::FileFormat::Nginx

  line_definition :current_request_time do |line|
    line.captures << { :name => :request_time, :type => :msec }
    line.regexp    = %r|- (\d+.\d+)$|
  end

  report(:append) do |analyze|
    analyze.duration(:request_time,
                     :category  => lambda { |request| request.category },
                     :line_type => :current_request_time,
                     :title     => 'Request Time',
                     )
  end
  
end

if $0 == __FILE__ && ARGV.length == 0
  eval DATA.read, nil, $0, __LINE__+4
end

__END__

require 'minitest/spec'
require 'minitest/autorun'

describe NginxRequestTimeFormat do

  describe '"Request Time" access log parsing' do
    let(:nginx_custom_format_path) {
      File.expand_path('./nginx_request_time_format.rb',
                       File.dirname(__FILE__))
    }
    subject { ::RequestLogAnalyzer::FileFormat.load(nginx_custom_format_path) }

    describe '#parse_line' do
      let(:sample1) {
        '10.0.0.72 - hostname [18/Jun/2014:21:09:09 +0000] "GET /initiatives/twin-cities HTTP/1.1" 302 132 "-" "blitz.io; 84b8f00888919da514c7aa5322b3109f@69.133.50.104" - 0.066'
      }

      it 'should capture the request time' do
        subject.parse_line(sample1)[:captures].must_include '0.066'
      end
    end

  end
end