librenms-librenms/includes/discovery/temperatures/lm-sensors.inc.php

<?php

global $valid_temp;

if ($device['os'] == "linux")
{
  $oids = snmp_walk($device, "lmTempSensorsDevice", "-Osqn", "LM-SENSORS-MIB");
  if ($debug) { echo($oids."\n"); }
  $oids = trim($oids);
  if ($oids) echo("LM-SENSORS ");
  foreach(explode("\n", $oids) as $data)
  {
    $data = trim($data);
    if ($data)
    {
      list($oid,$descr) = explode(" ", $data,2);
      $split_oid = explode('.',$oid);
      $temp_id = $split_oid[count($split_oid)-1];
      $temp_oid  = "1.3.6.1.4.1.2021.13.16.2.1.3.$temp_id";
      $temp = snmp_get($device, $temp_oid, "-Ovq") / 1000;
      $descr = str_ireplace("temp-", "", $descr);
      $descr = trim($descr);
      if($temp != "0" && $temp <= "1000")
      {
        discover_temperature($valid_temp, $device, $temp_oid, $temp_id, "lmsensors", $descr, "1000", NULL, NULL, $temp);
      }
    }
  }
}

?>