configuration.rb in rails-cloud-tasks-0.0.2

- old
+ new

@@ -1,14 +1,24 @@
 module RailsCloudTasks
   class Configuration
-    attr_accessor :project_id, :location_id, :host, :tasks_path, :jobs, :auth
+    attr_accessor :location_id, :host, :tasks_path, :service_account_email, :scheduler_file_path,
+                  :scheduler_prefix_name
 
-    def initialize
-      @jobs = Set.new
-      @project_id = AppEngine.project_id
+    attr_writer :project_id
+    attr_reader :app_engine, :google_auth
+
+    def initialize(app_engine = AppEngine, google_auth = Google::Auth)
+      @service_account_email = ENV['GCP_SERVICE_ACCOUNT']
+      @location_id = ENV['GCP_LOCATION']
+      @project_id = ENV['GCP_PROJECT']
+      @host = ENV['GCP_APP_ENDPOINT']
       @tasks_path = '/tasks'
-      @auth = authenticate
+      @scheduler_file_path = './config/scheduler.yml'
+      @scheduler_prefix_name = 'rails-cloud'
+
+      @app_engine = app_engine
+      @google_auth = google_auth
     end
 
     def inject_routes
       tasks_path = @tasks_path
 
@@ -16,22 +26,28 @@
         post "#{tasks_path}/:job_class", to: RailsCloudTasks::Rack::Jobs
         post tasks_path, to: RailsCloudTasks::Rack::Tasks
       end
     end
 
+    def project_id
+      @project_id ||= app_engine.project_id
+    end
+
+    def auth
+      @auth ||= authenticate
+    end
+
     private
 
     def authenticate
-      email = AppEngine.service_account_email || Google::Auth.get_application_default.issuer
+      email = service_account_email ||
+              app_engine.service_account_email ||
+              google_auth.get_application_default.issuer
 
       {
         oidc_token: {
           service_account_email: email
         }
       }
-    rescue RuntimeError, Errno::EHOSTDOWN
-      # EHOSTDOWN occurs sporadically when trying to resolve the metadata endpoint
-      # locally. It is unlikely to occur when running on GCE.
-      {}
     end
   end
 end