fluke/devops-service/lib/knife/knife_factory.rb

require "commands/knife_commands"

class KnifeFactory

  @instance = nil
  class << self
    attr_accessor :instance
    def init
      c = DevopsConfig.config[:knife_config_file]
      raise "Option ':knife_config_file' is undefined, please check config.rb file" unless c
      @instance = KnifeCommands.new(c)
      DevopsLogger.logger.info("Knife instance has been initialized")
    end
  end

end