LibreNMS/includes/discovery/sensors/entity-sensor.inc.php

187 lines
8.8 KiB
PHP

<?php
echo ' ENTITY-SENSOR: ';
echo 'Caching OIDs:';
if (empty($entity_array)) {
$entity_array = array();
echo ' entPhysicalDescr';
$entity_array = snmpwalk_cache_multi_oid($device, 'entPhysicalDescr', $entity_array, 'CISCO-ENTITY-SENSOR-MIB');
if (!empty($entity_array)) {
echo ' entPhysicalName';
$entity_array = snmpwalk_cache_multi_oid($device, 'entPhysicalName', $entity_array, 'CISCO-ENTITY-SENSOR-MIB');
}
}
if (!empty($entity_array)) {
echo ' entPhySensorType';
$entity_oids = snmpwalk_cache_multi_oid($device, 'entPhySensorType', [], 'ENTITY-SENSOR-MIB');
echo ' entPhySensorScale';
$entity_oids = snmpwalk_cache_multi_oid($device, 'entPhySensorScale', $entity_oids, 'ENTITY-SENSOR-MIB');
echo ' entPhySensorPrecision';
$entity_oids = snmpwalk_cache_multi_oid($device, 'entPhySensorPrecision', $entity_oids, 'ENTITY-SENSOR-MIB');
echo ' entPhySensorValue';
$entity_oids = snmpwalk_cache_multi_oid($device, 'entPhySensorValue', $entity_oids, 'ENTITY-SENSOR-MIB');
if ($device['os'] === 'arista_eos') {
require 'includes/discovery/sensors/misc/arista-eos-limits.inc.php';
}
}
if (!empty($entity_oids)) {
$entitysensor = array(
'voltsDC' => 'voltage',
'voltsAC' => 'voltage',
'amperes' => 'current',
'watts' => 'power',
'hertz' => 'freq',
'percentRH' => 'humidity',
'rpm' => 'fanspeed',
'celsius' => 'temperature',
'dBm' => 'dbm',
);
foreach ($entity_oids as $index => $entry) {
$low_limit = null;
$low_warn_limit = null;
$warn_limit = null;
$high_limit = null;
// Fix for Cisco ASR920, 15.5(2)S
if ($entry['entPhySensorType'] == 'other' && str_contains($entity_array[$index]['entPhysicalName'], array('Rx Power Sensor', 'Tx Power Sensor'))) {
$entitysensor['other'] = 'dbm';
}
if ($entitysensor[$entry['entPhySensorType']] && is_numeric($entry['entPhySensorValue']) && is_numeric($index)) {
$entPhysicalIndex = $index;
$oid = '.1.3.6.1.2.1.99.1.1.1.4.'.$index;
$current = $entry['entPhySensorValue'];
// ENTITY-SENSOR-MIB::entPhySensorUnitsDisplay.11 = STRING: "C"
$descr = ucwords($entity_array[$index]['entPhysicalName']);
// if ($descr || $device['os'] == "iosxr")
if ($descr) {
$descr = rewrite_entity_descr($descr);
} else {
$descr = $entity_array[$index]['entPhysicalDescr'];
$descr = rewrite_entity_descr($descr);
}
$valid_sensor = check_entity_sensor($descr, $device);
$type = $entitysensor[$entry['entPhySensorType']];
// FIXME this stuff is foul
if ($entry['entPhySensorScale'] == 'nano') {
$divisor = '1000000000';
$multiplier = '1';
}
if ($entry['entPhySensorScale'] == 'micro') {
$divisor = '1000000';
$multiplier = '1';
}
if ($entry['entPhySensorScale'] == 'milli') {
$divisor = '1000';
$multiplier = '1';
}
if ($entry['entPhySensorScale'] == 'units') {
$divisor = '1';
$multiplier = '1';
}
if ($entry['entPhySensorScale'] == 'kilo') {
$divisor = '1';
$multiplier = '1000';
}
if ($entry['entPhySensorScale'] == 'mega') {
$divisor = '1';
$multiplier = '1000000';
}
if ($entry['entPhySensorScale'] == 'giga') {
$divisor = '1';
$multiplier = '1000000000';
}
if ($entry['entPhySensorScale'] == 'yocto') {
$divisor = '1';
$multiplier = '1';
}
if (is_numeric($entry['entPhySensorPrecision']) && $entry['entPhySensorPrecision'] > '0') {
$divisor = $divisor.str_pad('', $entry['entPhySensorPrecision'], '0');
}
if ($device['os'] === 'arista_eos') {
if ($entry['entPhySensorScale'] == 'milli' && $entry['entPhySensorType'] == 'amperes') {
$divisor = '1';
$multiplier = '1';
}
}
$current = ($current * $multiplier / $divisor);
if ($type == 'temperature') {
if ($current > '200') {
$valid_sensor = false;
}
$descr = preg_replace('/[T|t]emperature[|s]/', '', $descr);
}
if ($device['os'] == 'rittal-lcp') {
if ($type == 'voltage') {
$divisor = 1000;
}
if ($descr == 'Temperature.Value') {
$divisor = 1000;
}
if ($descr == 'System.Temperature.Value') {
$divisor = 1000;
}
if ($type == 'humidity' && $current == '0') {
$valid_sensor = false;
}
}
// echo($descr . "|" . $index . "|" .$current . "|" . $multiplier . "|" . $divisor ."|" . $entry['entPhySensorScale'] . "|" . $entry['entPhySensorPrecision'] . "\n");
if ($current == '-127' || ($device['os'] == 'asa' && str_contains($device['hardware'], 'sc'))) {
$valid_sensor = false;
}
if ($valid_sensor && dbFetchCell("SELECT COUNT(*) FROM `sensors` WHERE device_id = ? AND `sensor_class` = ? AND `sensor_type` = 'cisco-entity-sensor' AND `sensor_index` = ?", array($device['device_id'], $type, $index)) == '0') {
// Check to make sure we've not already seen this sensor via cisco's entity sensor mib
if ($type == "power" && $device['os'] == "arista_eos" && preg_match("/DOM (R|T)x Power/i", $descr)) {
$type = "dbm";
$current = round(10 * log10($entry['entPhySensorValue'] / 10000), 3);
$multiplier = 1;
$divisor = 1;
}
if ($device['os'] === 'arista_eos') {
if ($entry['aristaEntSensorThresholdLowWarning'] != '-1000000000') {
if ($entry['entPhySensorScale'] == 'milli' && $entry['entPhySensorType'] == 'watts') {
$temp_low_warn_limit = $entry['aristaEntSensorThresholdLowWarning'] / 10000;
$low_warn_limit = round(10 * log10($temp_low_warn_limit), 2);
} else {
$low_warn_limit = $entry['aristaEntSensorThresholdLowWarning'] / $divisor;
}
}
if ($entry['aristaEntSensorThresholdLowCritical'] != '-1000000000') {
if ($entry['entPhySensorScale'] == 'milli' && $entry['entPhySensorType'] == 'watts') {
$temp_low_limit = $entry['aristaEntSensorThresholdLowCritical'] / 10000;
$low_limit = round(10 * log10($temp_low_limit), 2);
} else {
$low_limit = $entry['aristaEntSensorThresholdLowCritical'] / $divisor;
}
}
if ($entry['aristaEntSensorThresholdHighWarning'] != '1000000000') {
if ($entry['entPhySensorScale'] == 'milli' && $entry['entPhySensorType'] == 'watts') {
$temp_warn_limit = $entry['aristaEntSensorThresholdHighWarning'] / 10000;
$warn_limit = round(10 * log10($temp_warn_limit), 2);
} else {
$warn_limit = $entry['aristaEntSensorThresholdHighWarning'] / $divisor;
}
}
if ($entry['aristaEntSensorThresholdHighCritical'] != '1000000000') {
if ($entry['entPhySensorScale'] == 'milli' && $entry['entPhySensorType'] == 'watts') {
$temp_high_limit = $entry['aristaEntSensorThresholdHighCritical'] / 10000;
$high_limit = round(10 * log10($temp_high_limit), 2);
} else {
$high_limit = $entry['aristaEntSensorThresholdHighCritical'] / $divisor;
}
}
}
discover_sensor($valid['sensor'], $type, $device, $oid, $index, 'entity-sensor', $descr, $divisor, $multiplier, $low_limit, $low_warn_limit, $warn_limit, $high_limit, $current, 'snmp', $entPhysicalIndex, $entry['entSensorMeasuredEntity']);
}
}//end if
}//end foreach
unset(
$entity_array
);
}//end if
echo "\n";