statusd_sensors.lua

   1 ------- DEFAULT SETTINGS :------------------------------------------------------
   2
   3 local sensors_timer
   4 local defaults = {
   5         update_interval = 5*1000,
   6         fan_alarm = 4000,
   7         mb_alarm = 45,
   8         cpu_alarm = 55,
   9         fan_file = '/sys/class/i2c-adapter/i2c-0/0-002d/fan1_input',
  10         mb_file = '/sys/class/i2c-adapter/i2c-0/0-002d/temp1_input',
  11         cpu_file = '/sys/class/i2c-adapter/i2c-0/0-002d/temp2_input',
  12 }
  13 local settings = table.join(statusd.get_config("sensors"), defaults)
  14
  15 ------- SENSORS MONITOR :-------------------------------------------------------
  16
  17 local function inform_fan(name, file, alarm)
  18         file = io.open(file, 'r')
  19         if file then
  20                 local level = 'normal'
  21                 local var = file:read('*n')
  22                 file:close()
  23                 if var <= alarm then level = 'critical' end
  24                 statusd.inform("sensors_" .. name, string.format('%d', var))
  25                 statusd.inform('sensors_' .. name .. '_hint', level)
  26         end
  27 end
  28
  29 local function inform_temp(name, file, alarm)
  30         file = io.open(file, 'r')
  31         if file then
  32                 local level = 'normal'
  33                 local var = file:read('*n') / 1000
  34                 file:close()
  35                 if var >= alarm then level = 'critical' end
  36                 statusd.inform("sensors_" .. name, string.format('%0.1f', var))
  37                 statusd.inform('sensors_' .. name .. '_hint', level)
  38         end
  39 end
  40
  41 local function inform_sensors()
  42         inform_fan('fan', settings.fan_file, settings.fan_alarm + 0)
  43         inform_temp('mb', settings.mb_file, settings.mb_alarm + 0)
  44         inform_temp('cpu', settings.cpu_file, settings.cpu_alarm + 0)
  45 end
  46
  47 local sensors_timer
  48
  49 local function update_sensors()
  50         inform_sensors()
  51         sensors_timer:set(settings.update_interval, update_sensors)
  52 end
  53
  54 -- Init
  55 sensors_timer=statusd.create_timer()
  56 update_sensors()
  57
  58
  59