lib/pulse.rb @@ -1,3 +1 @@ -require File.dirname(__FILE__) + '/lib/pulse_controller' -require File.dirname(__FILE__) + '/lib/pulse_helper' -require File.dirname(__FILE__) + '/lib/routes' +require File.dirname(__FILE__) + "/lib/pulse" \ No newline at end of file init.rb @@ -1,10 +1,18 @@ class PulseController < ActionController::Base session :off + #The pulse action. Runs <tt>select 1</tt> on the DB. If a sane result is + #returned, 'OK' is displayed and a 200 response code is returned. If not, + #'ERROR' is returned along with a 500 response code. def pulse - render :text => "<html><body>OK</body></html>" + if (ActiveRecord::Base.connection.execute("select 1 from dual").num_rows rescue 0) == 1 + render :text => "<html><body>OK #{Time.now.utc.to_s(:db)}</body></html>" + else + render :text => '<html><body>ERROR</body></html>', :status => :internal_server_error + end end - + + #cancel out loggin for the PulseController by defining logger as <tt>nil</tt> def logger nil end lib/pulse_controller.rb a5a169fe79cf0b74337883847940b3a6f02e2c71 Jesse Newland jnewland@gmail.com http://github.com/jnewland/pulse/commit/de42e8c8a17d0ec46b9641a1e1d1b394ca98d988 de42e8c8a17d0ec46b9641a1e1d1b394ca98d988

2008-10-03T14:10:29-07:00

add in DB support, fix loading so this can be installed as a gem 822740f9ece0920690ccfe7d9d7b835cc2eaf2f6 Jesse Newland jnewland@gmail.com