Taglog
Taglog provides taggable logger extension to any class which has #logger method.
Installation
$ gem install taglog
Usage
Basic
# a class which has `#logger` method
class A
def hello
logger.debug("hello")
end
def log
io.string
end
private
def logger
@logger ||= Logger.new(io)
end
def io
@io ||= StringIO.new
end
end
# extend class A with Taglog
A.extend Taglog.new("class A")
# use logger
a = A.new
a.hello
a.hello
a.hello
puts a.logD, [2012-12-11T00:16:03.032614 #679] DEBUG -- : [class A] hello
D, [2012-12-11T00:16:03.252622 #679] DEBUG -- : [class A] hello
D, [2012-12-11T00:16:03.680119 #679] DEBUG -- : [class A] hello
Rails
# Gemfile
group :development do
gem "taglog"
end# config/environments/development.rb
require "active_record/log_subscriber"
require "action_view/log_subscriber"
require "action_controller/log_subscriber"
ActiveRecord::LogSubscriber.extend Taglog.new("M")
ActionView::LogSubscriber.extend Taglog.new("V")
ActionController::LogSubscriber.extend Taglog.new("C")$ rails s
...
[C] Processing by EntriesController#show as HTML
[C] Parameters: {"id"=>"1234567"}
[V] Rendered entries/show.html.erb (7.5ms)
[M] Entry Exists (6.4ms) SELECT 1 AS one FROM ...
[C] Completed 200 OK in 88ms ...