Class: ManageEngine::Instrumentation::RailsFramework

Inherits:
Object
  • Object
show all
Defined in:
lib/agent/server/instrument/rails.rb

Instance Method Summary collapse

Instance Method Details

#env ⇒ Object 



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# File 'lib/agent/server/instrument/rails.rb', line 15

def env
  if Rails::VERSION::MAJOR >= 3 
    ::Rails.env
  else
    RAILS_ENV.dup
  end
end

#instrument ⇒ Object

edgeguides.rubyonrails.org/active_support_instrumentation.html#rails-framework-hooks



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# File 'lib/agent/server/instrument/rails.rb', line 29

def instrument
  @obj = ManageEngine::APMObjectHolder.instance
  @obj.log.info "Instrumenting ActionController.. Rails Version: #{version}"
  @railsTracker = nil
  
  ActiveSupport::Notifications.subscribe('start_processing.action_controller') do |name, start, finish, id, payload|
    path = payload[:path].partition("?")[0]
      # request = payload[:request]
      # request.original_url  => returns http://www.example.com/articles?page=2
      # request.request_method
    @railsTracker = ManageEngine::Tracker::RootTracker.new("#{payload[:controller]}.#{payload[:action]}", start.to_f * 1000)
    @railsTracker.url=(path)
    @railsTracker = ManageEngine::Agent::TrackerHandler.invokeTracker(@railsTracker)
  end # subscribe
  
  
  ActiveSupport::Notifications.subscribe('process_action.action_controller') do |name, start, finish, id, payload|
    if @railsTracker != nil
      @railsTracker.finish(finish.to_f * 1000)
      exception = payload[:exception_object]
      if exception != nil
        @railsTracker.setError(exception)
        # TODO: payload[:status]
        @railsTracker.setStatus(500) # By default, set 500 as status for error txns
      end
      ManageEngine::Agent::TrackerHandler.exitTracker(@railsTracker)
    end
  end
  
end

#name ⇒ Object 



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# File 'lib/agent/server/instrument/rails.rb', line 23

def name
  'Rails'
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/agent/server/instrument/rails.rb', line 7

def present?
  defined?(::Rails) && defined?(::ActionController)
end

#version ⇒ Object 



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# File 'lib/agent/server/instrument/rails.rb', line 11

def version
  Rails::VERSION::STRING
end