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-rw-r--r-- | guides/source/configuring.md | 2 | ||||
-rw-r--r-- | railties/lib/rails/rack/logger.rb | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/guides/source/configuring.md b/guides/source/configuring.md index aa66376d5d..938ba2c89f 100644 --- a/guides/source/configuring.md +++ b/guides/source/configuring.md @@ -114,7 +114,7 @@ numbers. New applications filter out passwords by adding the following `config.f defaults to `:debug` for all environments. The available log levels are: `:debug`, `:info`, `:warn`, `:error`, `:fatal`, and `:unknown`. -* `config.log_tags` accepts a list of methods that the `request` object responds to. This makes it easy to tag log lines with debug information like subdomain and request id - both very helpful in debugging multi-user production applications. +* `config.log_tags` accepts a list of: methods that the `request` object responds to, a `Proc` that accepts the `request` object, or something that responds to `to_s`. This makes it easy to tag log lines with debug information like subdomain and request id - both very helpful in debugging multi-user production applications. * `config.logger` accepts a logger conforming to the interface of Log4r or the default Ruby `Logger` class. Defaults to an instance of `ActiveSupport::Logger`. diff --git a/railties/lib/rails/rack/logger.rb b/railties/lib/rails/rack/logger.rb index 9962e6d943..7aaa353b91 100644 --- a/railties/lib/rails/rack/logger.rb +++ b/railties/lib/rails/rack/logger.rb @@ -7,6 +7,9 @@ require 'rack/body_proxy' module Rails module Rack # Sets log tags, logs the request, calls the app, and flushes the logs. + # + # Log tags (+taggers+) can be an Array containing: methods that the <tt>request</tt> object responds to, a Proc + # that accepts an instance of the <tt>request</tt> object, or something that responds to <tt>to_s</tt>. class Logger < ActiveSupport::LogSubscriber def initialize(app, taggers = nil) @app = app |