How to set logger options in Rails

June 13th, 2007

Today, I was replacing RailsCron and BackgrounDRb with generated Daemons, and I happened to investigate how Rails sets up it’s logger. For the longest time, I knew it was possible to change the options, but I just never investigated how to do it. I thought I’d share my findings so others won’t be in the dark as I was.

Actually doing the replacement is very easy:

That’s it. Have fun. Stop reading… Unless you want more details.

This is essentially what Rails does, except now you have complete control over how the Logger is instantiated.

Some options you might want to investigate:

If you are running a script which loads the Rails environment manually, you can also do this:

The Rails::Initializer is smart enough to use either the RAILS_DEFAULT_LOGGER or the one defined in the configuration block. For the gory details, please read Rails::Initializer#initialize_logger

2 Responses to “How to set logger options in Rails”

  1. Carl Mercier Says:
    October 12th, 2007 at 10:25 PM

    It would be great if you could post about the advantages of Daemons vs RailsCron and BackgrounDRb.

  2. Tom Beddard Says:
    October 12th, 2007 at 10:25 PM

    There are some issues with using log size limiter, especially when you have more than one Rails process running. See: http://wiki.rubyonrails.org/rails/pages/DeploymentTips

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I am François Beausoleil, a Ruby on Rails coder. During the day, I work on XLsuite. At night, I am interested many things. Read my biography

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