Class: Bugsnag::Rack

Inherits:
Object
  • Object
show all
Defined in:
lib/bugsnag/rack.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Rack

Returns a new instance of Rack.



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# File 'lib/bugsnag/rack.rb', line 3

def initialize(app)
  @app = app

  # Configure bugsnag rack defaults
  Bugsnag.configure do |config|
    # Try to set the release_stage automatically if it hasn't already been set
    config.release_stage ||= ENV["RACK_ENV"] if ENV["RACK_ENV"]

    # Try to set the project_root if it hasn't already been set, or show a warning if we can't
    unless config.project_root && !config.project_root.to_s.empty?
      if defined?(settings)
        config.project_root = settings.root
      else
        Bugsnag.warn("You should set your app's project_root (see https://bugsnag.com/docs/notifiers/ruby#project_root).")
      end
    end

    # Hook up rack-based notification middlewares
    config.middleware.insert_before([Bugsnag::Middleware::Rails3Request,Bugsnag::Middleware::Callbacks], Bugsnag::Middleware::RackRequest) if defined?(::Rack)
    config.middleware.insert_before(Bugsnag::Middleware::Callbacks, Bugsnag::Middleware::WardenUser) if defined?(Warden)

    Bugsnag.configuration.app_type ||= "rack"
  end
end

Instance Method Details

#call(env) ⇒ Object



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# File 'lib/bugsnag/rack.rb', line 28

def call(env)
  # Set the request data for bugsnag middleware to use
  Bugsnag.set_request_data(:rack_env, env)

  begin
    response = @app.call(env)
  rescue Exception => raised
    # Notify bugsnag of rack exceptions
    Bugsnag.auto_notify(raised)

    # Re-raise the exception
    raise
  end

  # Notify bugsnag of rack exceptions
  if env["rack.exception"]
    Bugsnag.auto_notify(env["rack.exception"])
  end

  response
ensure
  # Clear per-request data after processing the each request
  Bugsnag.clear_request_data
end