use skylight without their sinatra code

Gemfile

@@ -27,7 +27,7 @@ gem 'pry'
 gem 'metriks',         '0.9.9.6'
 gem 'metriks-librato_metrics', github: 'eric/metriks-librato_metrics'
 gem 'micro_migrations'
-gem 'skylight', github: 'rkh/skylight-ruby', branch: 'rkh-script-name-sinatra'
+gem 'skylight'
 
 group :test do
   gem 'rspec',         '~> 2.13'

Gemfile.lock

@@ -20,14 +20,6 @@ GIT
     rack-contrib (1.2.0)
       rack (>= 0.9.1)
 
-GIT
-  remote: git://github.com/rkh/skylight-ruby.git
-  revision: 287673533ee47e10fd75adb78bae1e732b8f3c30
-  branch: rkh-script-name-sinatra
-  specs:
-    skylight (0.6.0.beta.1)
-      activesupport (>= 3.0.0)
-
 GIT
   remote: git://github.com/rkh/yard-sinatra.git
   revision: 00774d355123617ff0faa7e0ebd54c4cdcfcdf93
@@ -310,6 +302,8 @@ GEM
       rack-test
       sinatra (~> 1.4.0)
       tilt (~> 1.3)
+    skylight (0.6.0.beta.1)
+      activesupport (>= 3.0.0)
     slop (3.6.0)
     sprockets (2.2.3)
       hike (~> 1.2)
@@ -375,7 +369,7 @@ DEPENDENCIES
   sentry-raven!
   sinatra
   sinatra-contrib
-  skylight!
+  skylight
   travis-api!
   travis-config (~> 0.1.0)
   travis-core!

lib/travis/api/app.rb

@@ -113,6 +113,7 @@ module Travis::Api
 
         use Travis::Api::App::Middleware::ScopeCheck
         use Travis::Api::App::Middleware::Logging
+        use Travis::Api::App::Middleware::Skylight
         use Travis::Api::App::Middleware::Metriks
         use Travis::Api::App::Middleware::Rewrite
         use Travis::Api::App::Middleware::UserAgentTracker

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

@@ -0,0 +1,5 @@
+if ENV['SKYLIGHT_AUTHENTICATION']
+  require_relative 'skylight/actual'
+else
+  require_relative 'skylight/dummy'
+end

lib/travis/api/app/middleware/skylight/actual.rb

@@ -0,0 +1,26 @@
+require 'travis/api/app'
+require 'skylight'
+require 'skylight/probes/tilt'
+require 'skylight/probes/redis'
+
+class Travis::Api::App
+  class Middleware
+    class Skylight < Middleware
+      set(:setup) { ::Skylight.start! }
+      use ::Skylight::Middleware
+
+      after do
+        instrumenter   = Skylight::Instrumenter.instance
+        trace          = instrumenter.current_trace if instrumenter
+        trace.endpoint = endpoint if trace and endpoint
+      end
+
+      def endpoint
+        return @endpoint if defined? @endpoint and @endpoint
+        return unless headers['X-Pattern'].present? and headers['X-Endpoint'].present?
+        @endpoint = Object.const_get(headers['X-Endpoint']) + headers['X-Pattern']
+      rescue NameError
+      end
+    end
+  end
+end

lib/travis/api/app/middleware/skylight/dummy.rb

@@ -0,0 +1,7 @@
+class Travis::Api::App
+  class Middleware
+    module Skylight
+      def self.new(app) app end
+    end
+  end
+end

lib/travis/api/conditional_skylight.rb

@@ -1,50 +1,50 @@
-if ENV['SKYLIGHT_AUTHENTICATION']
+# if ENV['SKYLIGHT_AUTHENTICATION']
-
+#
-  require 'skylight/sinatra'
+#   # require 'skylight/sinatra'
-  require 'tool/thread_local'
+#   # require 'tool/thread_local'
-  Skylight.start!
+#   # Skylight.start!
-
+#   #
-  module Travis
+#   # module Travis
-    module Api
+#   #   module Api
-      module ConditionalSkylight
+#   #     module ConditionalSkylight
-        FEATURES        = Tool::ThreadLocal.new
+#   #       FEATURES        = Tool::ThreadLocal.new
-        CHECK_FREQUENCY = 120
+#   #       CHECK_FREQUENCY = 120
-        NOT_JSON        = %r(\.(xml|png|txt|atom|svg)$)
+#   #       NOT_JSON        = %r(\.(xml|png|txt|atom|svg)$)
-
+#   #
-        module Middleware
+#   #       module Middleware
-          ::Skylight::Middleware.send(:prepend, self)
+#   #         ::Skylight::Middleware.send(:prepend, self)
-          def call(env)
+#   #         def call(env)
-            if ConditionalSkylight.track?(env)
+#   #           if ConditionalSkylight.track?(env)
-              super(env)
+#   #             super(env)
-            else
+#   #           else
-              t { "skipping middleware (condition not met)".freeze }
+#   #             t { "skipping middleware (condition not met)".freeze }
-              @app.call(env)
+#   #             @app.call(env)
-            end
+#   #           end
-          end
+#   #         end
-        end
+#   #       end
-
+#   #
-        extend self
+#   #       extend self
-
+#   #
-        def track?(env)
+#   #       def track?(env)
-          return false unless feature_active? :skylight
+#   #         return false unless feature_active? :skylight
-          return false if     feature_active? :skylight_json_only and env['PATH_INFO'.freeze] =~ NOT_JSON
+#   #         return false if     feature_active? :skylight_json_only and env['PATH_INFO'.freeze] =~ NOT_JSON
-          true
+#   #         true
-        end
+#   #       end
-
+#   #
-        def feature_active?(feature)
+#   #       def feature_active?(feature)
-          last_clear = Time.now.to_i - FEATURES[:last_clear].to_i
+#   #         last_clear = Time.now.to_i - FEATURES[:last_clear].to_i
-
+#   #
-          if last_clear > CHECK_FREQUENCY
+#   #         if last_clear > CHECK_FREQUENCY
-            FEATURES.clear
+#   #           FEATURES.clear
-            FEATURES[:last_clear] = Time.now.to_i
+#   #           FEATURES[:last_clear] = Time.now.to_i
-          end
+#   #         end
-
+#   #
-          FEATURES.fetch(feature) { FEATURES[feature] = Travis::Features.feature_active?(feature) }
+#   #         FEATURES.fetch(feature) { FEATURES[feature] = Travis::Features.feature_active?(feature) }
-        end
+#   #       end
-      end
+#   #     end
-    end
+#   #   end
-  end
+#   # end
-
+#
-else
+# else
-  Travis.logger.info('SKYLIGHT_AUTHENTICATION not set, skipping Skylight.')
+#   Travis.logger.info('SKYLIGHT_AUTHENTICATION not set, skipping Skylight.')
-end
+# end