Give backtraces for all callback related to self and inherited rails controller where the module is included.

debug_controller_callback_chain.rb

module DebugControllerCallbackChain
  def self.included(base)
    class << base
      prepend ClassMethods
    end
  end

  module ClassMethods
    def inherited(base)
      super
      base.class_eval do
        _process_action_callbacks.each_with_index do |callback, index|
          define_method(callback.filter) do |*args|
            if base == self.class
              if index == 0
                Rails.logger.debug("=============================================================================================================")
                Rails.logger.debug("=============================================================================================================")
                Rails.logger.debug("#{request.uuid} : #{request.path} called the action #{controller_name}##{action_name} | ssl?(#{request.ssl?})")
                Rails.logger.debug("#{request.uuid} : Headers are : (#{request.headers.reject { |key| key.to_s.include?('.') }})")
                callback_list = _process_action_callbacks.inject(Hash.new {|h,k| h[k]=[]}) do |acc, callback|
                  acc[callback.kind] << callback.filter; acc
                end
                Rails.logger.debug("#{request.uuid} : Controller #{base} will execute the following callbacks : #{callback_list}")
                Rails.logger.debug("#{request.uuid} : Params(#{params})")
                Rails.logger.debug("#{request.uuid} : Cookies(#{request.cookies})")
                Rails.logger.debug("#{request.uuid} : Session id(#{request.session_options[:id]}) Values(#{session})")
              end

              callback_kind = callback.kind.to_s.classify
              callback_meth = method(callback.filter).to_s

              Rails.logger.debug("#{request.uuid} : <Callback#{callback_kind}Begin => #{callback_meth}>")
              return_value = super(*args)
              Rails.logger.debug("#{request.uuid} : </Callback#{callback_kind}End => #{callback_meth} (return=#{return_value})>")
              if index == (_process_action_callbacks.count - 1 )
                Rails.logger.debug("#{request.uuid} : Params(#{params})")
                Rails.logger.debug("#{request.uuid} : Cookies(#{request.cookies})")
                Rails.logger.debug("#{request.uuid} : Session id(#{request.session_options[:id]}) Values(#{session})")
                Rails.logger.debug("=============================================================================================================")
                Rails.logger.debug("=============================================================================================================")
              end
              return_value
            else
              super(*args)
            end
          end
        end
      end
    end
  end
end

class ApplicationController < ActionController::Base
  include DebugControllerCallbackChain
end