Show rails exception ids on error pages and headers, so users or support can track them down faster

gem install airbrake-user_informer

# Gemfile
gem 'airbrake'
gem 'airbrake-user_informer'

# config/initializers/airbrake.rb
Airbrake.configure do |config|
  ... regular config ...
end

# optional: customize placeholder ... default is '<!-- AIRBRAKE ERROR -->'
Airbrake.user_information_placeholder = '<!-- AIRBRAKE ERROR -->'

Airbrake.user_information = # replaces user_information_placeholder on 500 pages
  "<br/><br/>Error number: <a href='https://airbrake.io/locate/{{error_id}}'>{{error_id}}</a>"

# public/500.html
<!-- AIRBRAKE ERROR -->

• adds a new middleware to wait for exception to report (max 1s) and render error id + adds Error-Id header
• modifies Airbrake::Rack::Middleware to store the exceptions it sends to airbrake
• adds Airbrake.user_information accessor for configuration

• run tests: bundle && rake default integration (travis cannot run integration tests)
• example app: cd example && bundle && rails s then go to localhost:3000 or localhost:3000/error

Michael Grosser
michael@grosser.it
License: MIT