How to change Rails 3.0's default log path?

Question

I have to change my rail application\'s default log path because of my company\'s internal software deployment process: basically my rails app ends up on a read-only location, a

Answer 1

You just need define your logger

config.logger = ActiveSupport::BufferedLogger.new(File.join(ENV['SOME_ENVIRONMENT_VAR'], "var/output/logs/rails.log"))

This trick works with Rails 2 too. And you can define by environment where you really want your log file.

Answer 2

As of Rails 3.2.3, looks like the log pathname is also defined in Rails::Rack::LogTailer#initialize, and that comes from Rails::Server#log_path.

LOG_PATH = "log/mylog.log"

require 'rails/commands/server'
module Rails
  class Server
    def log_path
      LOG_PATH
    end
  end
end

class Application < Rails::Application
  ...
  config.paths['log'] = LOG_PATH
  ...
end

Answer 3

The config.log_path setting has been deprecated - the recommended solution is now:

config.paths.log = "/some/path/#{Rails.env}.log"