How to read ruby on rails config values from within the application controller

Question

If i have a configuration file like this

# config/environments/integration.rb
config.action_controller.session = {
  :domain => ".example.com"
}

How do I get the value from within my application controller, e.g:

# app/controller/application_controller
class ApplicationController < Mcc::CoreSupport::FrontendController
  def some_method
    value = xxx
  end
end

Nikita Fedyashev · Accepted Answer · 2021-07-02 18:11:03Z

70

In Ruby on Rails 3 and above, you can access the config through Rails.application.config

In more recent versions, you can use Rails.configuration instead. For example: Rails.configuration.time_zone. See more in the official manual on configuration

edited Jul 2, 2021 at 18:11

Nikita Fedyashev

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answered Jun 11, 2012 at 15:32

Melinda Weathers

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1 Comment

Giovanni Benussi Over a year ago

Works on Rails 5.1.1

zetetic · Accepted Answer · 2009-12-16 18:04:58Z

8

The class method ActionController::Base.session_options returns a hash of the configuration options for the session.

So in your case you want ActionController::Base.session_options[:domain]

answered Dec 16, 2009 at 18:04

zetetic

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