Module: LogStats::Requests::TextOutput

Defined in:
lib/log_stats/requests/text_output.rb

Class Method Summary collapse

Class Method Details



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# File 'lib/log_stats/requests/text_output.rb', line 4

def self.print(data, event_config)
  print_heading("KPIs")
  print_kpi(data[:kpi])

  print_heading("STATUS CODES")
  print_percentages(data[:requests_count], data[:requests_by_status])

  print_heading("HEROKU ERROR CODES")
  print_percentages(data[:requests_count], data[:requests_by_code])

  top_list_options = {
    direction: 1,
    limit: event_config[:top_list_limit],
    apdex_goal: event_config[:apdex_goal]
  }

  print_heading("POPULARITY TOP LIST")
  print_top_list(data[:stats], Stats.method(:popularity_metric), top_list_options)

  print_heading("APDEX TOP LIST")
  print_top_list(data[:stats], Stats.method(:apdex_metric), top_list_options.merge(direction: -1))

  print_heading("DURATION TOP LIST")
  print_top_list(data[:stats], Stats.method(:duration_metric), top_list_options)

  print_heading("ERROR RATE TOP LIST")
  print_top_list(data[:stats], Stats.method(:error_rate_metric), top_list_options)

  print_heading("TIMEOUT TOP LIST")
  print_top_list(data[:stats], Stats.method(:timeout_metric), top_list_options)

  data[:requests_by_status].each do |status, requests|
    print_heading("REQUESTS - STATUS #{status}")
    Stats.requests_by_duration(requests).each do |request|
      print_request(request)
    end
  end
end

.print_heading(heading) ⇒ Object 



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# File 'lib/log_stats/requests/text_output.rb', line 73

def self.print_heading(heading)
  puts "\n-----------------------------------------------------------"
  puts heading
  puts "-----------------------------------------------------------\n\n"
end

.print_kpi(kpi) ⇒ Object 



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# File 'lib/log_stats/requests/text_output.rb', line 80

def self.print_kpi(kpi)
  kpi.each do |key, value|
    puts "#{key}: #{value}"
  end
end

.print_percentages(total_lines_count, grouped_lines) ⇒ Object 



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# File 'lib/log_stats/requests/text_output.rb', line 54

def self.print_percentages(total_lines_count, grouped_lines)
  grouped_lines.select { |key, _| !key.nil? }.each do |key, lines|
    percent = (lines.size.to_f*100/total_lines_count).round(4)
    puts "#{key} #{percent}%"
  end
end

.print_request(request) ⇒ Object 



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# File 'lib/log_stats/requests/text_output.rb', line 43

def self.print_request(request)
  parts = [(request[:method] == "GET" ? nil : request[:method]),
            request[:path],
            request[:service],
            request[:code]
          ].compact
  if parts.size > 1
    puts parts.join(" ")
  end
end

.print_top_list(stats, metric, options = {}) ⇒ Object 



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# File 'lib/log_stats/requests/text_output.rb', line 61

def self.print_top_list(stats, metric, options = {})
  Stats.stats_by_metric(stats, metric, options[:direction])[0, options[:limit]].each do |stat|
    apdex = Stats.apdex_metric(stat).round(2)
    puts [stat[:id],
          metric.call(stat),
          "count=#{stat[:count]}",
          "apdex=#{apdex}",
          (apdex >= options[:apdex_goal] ? "OK" : "SLOW")
         ].join(' ')
  end
end