CI Frontend Stats

gistfile1.rb

require 'chrome_debugger'
require 'librato/metrics'

LIBRATO_PREFIX = "tc.frontend"
LIBRATO_USER   = ENV["LIBRATO_USER"]
LIBRATO_KEY    = ENV["LIBRATO_KEY"]
PAGES          = {
  google:      'http://google.com/',
  yahoo:       'http://yahoo.com/'
  nytimes:     'http://nytimes.com'
}

Librato::Metrics.authenticate(LIBRATO_USER, LIBRATO_KEY)
librato_queue = Librato::Metrics::Queue.new

PAGES.each do |name, url|
  ChromeDebugger::Client.open do |chrome|
    document = chrome.load_url(url)
    {
      requests:                        document.request_count,
      onload_event:                    document.onload_event,
      dom_content_event:               document.dom_content_event,
      document_payload:                document.encoded_bytes("Document"),
      script_payload:                  document.encoded_bytes("Script"),
      image_payload:                   document.encoded_bytes("Image"),
      stylesheet_payload:              document.encoded_bytes("Stylesheet"),
      other_payload:                   document.encoded_bytes("Other"),
      document_uncompressed_payload:   document.bytes("Document"),
      script_uncompressed_payload:     document.bytes("Script"),
      image_uncompressed_payload:      document.bytes("Image"),
      stylesheet_uncompressed_payload: document.bytes("Stylesheet"),
      other_uncompressed_payload:      document.bytes("Other"),
      script_count:                    document.request_count_by_resource("Script"),
      image_count:                     document.request_count_by_resource("Image"),
      stylesheet_count:                document.request_count_by_resource("Stylesheet")
    }.each {|key, value|
      puts "#{LIBRATO_PREFIX}.#{name}.#{key}: #{value}"
    }.each { |key, value|
      librato_queue.add("#{LIBRATO_PREFIX}.#{name}.#{key}" => value)
    }
  end
end

librato_queue.submit