code: def check_ressources(sess):
      
      # get the data
      cpu_value                    = get_data(sess, cpu_oid, helper)
      memory_value                 = get_data(sess, memory_oid, helper)
      filesystem_value             = get_data(sess, filesystem_oid, helper)
  
      helper.add_summary("Controller Status")
      helper.add_long_output("Controller Ressources - CPU: %s%%" % cpu_value)
      helper.add_metric("CPU", cpu_value, "0:90", "0:90", "", "", "%%")
      if int(cpu_value) > 90:
          helper.status(critical)
          helper.add_summary("Controller Ressources - CPU: %s%%" % cpu_value)
  
      helper.add_long_output("Memory: %s%%" % memory_value)
      helper.add_metric("Memory", memory_value, "0:90", "0:90", "", "", "%%")
      if int(memory_value) > 90:
          helper.add_summary("Memory: %s%%" % memory_value)
          helper.status(critical)
      
      helper.add_long_output("Filesystem: %s%%" % filesystem_value)
      helper.add_metric("Filesystem", filesystem_value, "0:90", "0:90", "", "", "%%")
      if int(filesystem_value) > 90:
          helper.add_summary("Filesystem: %s%%" % filesystem_value)
          helper.status(critical)
docs: check the Ressources of the Fortinet Controller
      all thresholds are currently hard coded. should be fine.