Class: PulseController

Inherits:
ActionController::Base
  • Object
show all
Defined in:
lib/pulse/controller.rb

Instance Method Summary collapse

Instance Method Details

#pulse ⇒ Object

The pulse action. Runs select 1 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.



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
# File 'lib/pulse/controller.rb', line 7

def pulse
  adapter = ActiveRecord::Base::connection_pool.spec.config[:adapter]

  health_method = "#{adapter}_healthy?"

  # Need to include all methods in respond_to? because Ruby 2.0 returns false
  # even for protected methods.
  activerecord_okay = if respond_to?(health_method, true)
                        send(health_method)
                      else
                        raise "Don't know how to check #{adapter}... please to fix?"
                      end

  if activerecord_okay
    render :text => okay_response
  else
    render :text => error_response, :status => :internal_server_error
  end
end