Add Skylight stuff

Author: sarahhodne

Gemfile

@@ -20,6 +20,7 @@ gem 'bunny',           '~> 0.8.0'
 gem 'dalli'
 gem 'pry'
 gem 'metriks',         '0.9.9.5'
+gem 'skylight'
 
 group :test do
   gem 'rspec',         '~> 2.13'

Gemfile.lock

@@ -251,6 +251,8 @@ GEM
       rack-test
       sinatra (~> 1.4.0)
       tilt (~> 1.3)
+    skylight (0.3.10)
+      activesupport (>= 3.0.0)
     slop (3.4.7)
     sprockets (2.2.2)
       hike (~> 1.2)
@@ -299,6 +301,7 @@ DEPENDENCIES
   sentry-raven!
   sinatra
   sinatra-contrib
+  skylight
   travis-api!
   travis-core!
   travis-sidekiqs!

config.ru

@@ -30,5 +30,18 @@ class RackTimer
   end
 end
 
+if ENV['SKYLIGHT_APPLICATION']
+  require 'skylight'
+  require 'logger'
+  config = Skylight::Config.load(nil, ENV['RACK_ENV'], ENV)
+  config['root'] = File.expand_path('..', __FILE__)
+  config['agent.sockfile_path'] = File.expand_path('../tmp', __FILE__)
+  config.logger = Logger.new(STDOUT)
+  config.validate!
+  Skylight.start!(config)
+
+  use Skylight::Middleware
+end
+
 use RackTimer
 run Travis::Api::App.new

lib/travis/api/app/base.rb

@@ -44,7 +44,7 @@ def call(env)
       disable  :protection, :logging, :setup
       enable   :raise_errors
       # disable  :dump_errors
-      register :subclass_tracker, :expose_pattern
+      register :subclass_tracker, :expose_pattern, :skylight
       helpers  :respond_with, :mime_types
     end
 

lib/travis/api/app/extensions/skylight.rb

@@ -0,0 +1,18 @@
+require 'travis/api/app'
+require 'skylight'
+
+class Travis::Api::App
+  module Extensions
+    module Skylight
+      def route(verb, path, *)
+        condition do
+          trace = ::Skylight::Instrumenter.instance.current_trace
+          endpoint = settings.name.to_s.split("::", 5).last.gsub(/::/, "/").downcase
+          trace.endpoint = "#{verb} /#{endpoint}#{path}"
+        end
+
+        super
+      end
+    end
+  end
+end