mirror of
https://github.com/librenms/librenms.git
synced 2024-10-07 16:52:45 +00:00
251 lines
12 KiB
PHP
251 lines
12 KiB
PHP
<?php
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use Illuminate\Support\Str;
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if ($device['os_group'] == 'cisco') {
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echo ' CISCO-ENTITY-SENSOR: ';
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$oids = [];
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echo 'Caching OIDs:';
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if (empty($entity_array)) {
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$tmp_oids = ['entPhysicalDescr', 'entPhysicalName', 'entPhysicalClass', 'entPhysicalContainedIn', 'entPhysicalParentRelPos'];
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$entity_array = [];
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foreach ($tmp_oids as $tmp_oid) {
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echo " $tmp_oid";
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$entity_array = snmpwalk_cache_multi_oid($device, $tmp_oid, $entity_array, 'ENTITY-MIB:CISCO-ENTITY-SENSOR-MIB');
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}
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echo ' entAliasMappingIdentifier';
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$entity_array = snmpwalk_cache_twopart_oid($device, 'entAliasMappingIdentifier', $entity_array, 'ENTITY-MIB:IF-MIB');
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}
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$port_array = [];
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$port_array = snmpwalk_cache_multi_oid($device, 'ifName', $port_array, 'ENTITY-MIB:IF-MIB');
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$port_reverse_array = [];
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foreach ($port_array as $index => $port) {
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$port['ifIndex'] = $index;
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$port_reverse_array[$port['ifName']] = $port;
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}
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d_echo($port_reverse_array);
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echo ' entSensorType';
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$oids = snmpwalk_cache_multi_oid($device, 'entSensorType', $oids, 'CISCO-ENTITY-SENSOR-MIB');
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echo ' entSensorScale';
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$oids = snmpwalk_cache_multi_oid($device, 'entSensorScale', $oids, 'CISCO-ENTITY-SENSOR-MIB');
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echo ' entSensorValue';
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$oids = snmpwalk_cache_multi_oid($device, 'entSensorValue', $oids, 'CISCO-ENTITY-SENSOR-MIB');
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echo ' entSensorMeasuredEntity';
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$oids = snmpwalk_cache_multi_oid($device, 'entSensorMeasuredEntity', $oids, 'CISCO-ENTITY-SENSOR-MIB');
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echo ' entSensorPrecision';
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$oids = snmpwalk_cache_multi_oid($device, 'entSensorPrecision', $oids, 'CISCO-ENTITY-SENSOR-MIB');
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$t_oids = [];
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echo ' entSensorThresholdSeverity';
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$t_oids = snmpwalk_cache_twopart_oid($device, 'entSensorThresholdSeverity', $t_oids, 'CISCO-ENTITY-SENSOR-MIB');
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echo ' entSensorThresholdRelation';
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$t_oids = snmpwalk_cache_twopart_oid($device, 'entSensorThresholdRelation', $t_oids, 'CISCO-ENTITY-SENSOR-MIB');
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echo ' entSensorThresholdValue';
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$t_oids = snmpwalk_cache_twopart_oid($device, 'entSensorThresholdValue', $t_oids, 'CISCO-ENTITY-SENSOR-MIB');
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d_echo($oids);
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$entitysensor['voltsDC'] = 'voltage';
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$entitysensor['voltsAC'] = 'voltage';
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$entitysensor['amperes'] = 'current';
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$entitysensor['watt'] = 'power';
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$entitysensor['hertz'] = 'freq';
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$entitysensor['percentRH'] = 'humidity';
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$entitysensor['rpm'] = 'fanspeed';
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$entitysensor['celsius'] = 'temperature';
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$entitysensor['watts'] = 'power';
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$entitysensor['dBm'] = 'dbm';
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if (is_array($oids)) {
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foreach ($oids as $index => $entry) {
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// echo("[" . $entry['entSensorType'] . "|" . $entry['entSensorValue']. "|" . $index . "]");
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if ($entitysensor[$entry['entSensorType']] && is_numeric($entry['entSensorValue']) && is_numeric($index)) {
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$entPhysicalIndex = $index;
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if ($entity_array[$index]['entPhysicalName'] || $device['os'] == 'iosxr') {
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$descr = rewrite_entity_descr($entity_array[$index]['entPhysicalName']);
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} else {
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$descr = rewrite_entity_descr($entity_array[$index]['entPhysicalDescr']);
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}
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// Set description based on measured entity if it exists
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if (isset($entry['entSensorMeasuredEntity']) && is_numeric($entry['entSensorMeasuredEntity']) && $entry['entSensorMeasuredEntity']) {
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$measured_descr = $entity_array[$entry['entSensorMeasuredEntity']]['entPhysicalName'];
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if (! $measured_descr) {
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$measured_descr = $entity_array[$entry['entSensorMeasuredEntity']]['entPhysicalDescr'];
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}
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$descr = $measured_descr . ' - ' . $descr;
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}
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// Bit dirty also, clean later
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$descr = str_replace('Temp: ', '', $descr);
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$descr = str_ireplace(' temperature', '', $descr);
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$descr = trim($descr);
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$oid = '.1.3.6.1.4.1.9.9.91.1.1.1.1.4.' . $index;
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$current = $entry['entSensorValue'];
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$type = $entitysensor[$entry['entSensorType']];
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// echo("$index : ".$entry['entSensorScale']."|");
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// FIXME this stuff is foul
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if ($entry['entSensorScale'] == 'nano') {
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$divisor = '1000000000';
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$multiplier = '1';
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}
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if ($entry['entSensorScale'] == 'micro') {
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$divisor = '1000000';
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$multiplier = '1';
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}
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if ($entry['entSensorScale'] == 'milli') {
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$divisor = '1000';
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$multiplier = '1';
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}
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if ($entry['entSensorScale'] == 'units') {
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$divisor = '1';
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$multiplier = '1';
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}
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if ($entry['entSensorScale'] == 'kilo') {
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$divisor = '1';
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$multiplier = '1000';
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}
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if ($entry['entSensorScale'] == 'mega') {
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$divisor = '1';
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$multiplier = '1000000';
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}
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if ($entry['entSensorScale'] == 'giga') {
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$divisor = '1';
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$multiplier = '1000000000';
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}
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if (is_numeric($entry['entSensorPrecision'])
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&& $entry['entSensorPrecision'] > '0'
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// Workaround for a Cisco SNMP bug
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&& $entry['entSensorPrecision'] != '1615384784'
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) {
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// Use precision value to determine decimal point place on returned value, then apply divisor
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$divisor = (10 ** $entry['entSensorPrecision']) * $divisor;
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}
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$current = ($current * $multiplier / $divisor);
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// Set thresholds to null
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$limit = null;
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$limit_low = null;
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$warn_limit = null;
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$warn_limit_low = null;
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// Check thresholds for this entry (bit dirty, but it works!)
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if (isset($t_oids[$index]) && is_array($t_oids[$index])) {
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foreach ($t_oids[$index] as $t_index => $key) {
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// Skip invalid treshold values
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if ($key['entSensorThresholdValue'] == '-32768') {
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continue;
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}
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// Critical Limit
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if (($key['entSensorThresholdSeverity'] == 'major' || $key['entSensorThresholdSeverity'] == 'critical') && ($key['entSensorThresholdValue'] != 0) && ($key['entSensorThresholdRelation'] == 'greaterOrEqual' || $key['entSensorThresholdRelation'] == 'greaterThan')) {
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$limit = ($key['entSensorThresholdValue'] * $multiplier / $divisor);
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}
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if (($key['entSensorThresholdSeverity'] == 'major' || $key['entSensorThresholdSeverity'] == 'critical') && ($key['entSensorThresholdValue'] != 0) && ($key['entSensorThresholdRelation'] == 'lessOrEqual' || $key['entSensorThresholdRelation'] == 'lessThan')) {
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$limit_low = ($key['entSensorThresholdValue'] * $multiplier / $divisor);
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}
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// Warning Limit
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if ($key['entSensorThresholdSeverity'] == 'minor' && ($key['entSensorThresholdRelation'] == 'greaterOrEqual' || $key['entSensorThresholdRelation'] == 'greaterThan')) {
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$warn_limit = ($key['entSensorThresholdValue'] * $multiplier / $divisor);
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}
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if ($key['entSensorThresholdSeverity'] == 'minor' && ($key['entSensorThresholdRelation'] == 'lessOrEqual' || $key['entSensorThresholdRelation'] == 'lessThan')) {
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$warn_limit_low = ($key['entSensorThresholdValue'] * $multiplier / $divisor);
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}
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}//end foreach
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}//end if
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// If temperature sensor, set low thresholds to -1 and -5. Many sensors don't return low thresholds, therefore LibreNMS takes the runtime low
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// Also changing 0 values (not just null) as Libre loses these somewhere along the line and shows an empty value in the Web UI
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if ($type == 'temperature') {
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if ($warn_limit_low == 0) {
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$warn_limit_low = -1;
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}
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if ($limit_low == 0) {
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$limit_low = -5;
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}
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}
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// End Threshold code
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$ok = true;
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if ($current == '-127' || $descr == '') {
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$ok = false;
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}
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if ($ok) {
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$phys_index = $entity_array[$index]['entPhysicalContainedIn'];
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$tmp_ifindex = 0;
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while ($phys_index != 0) {
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if ($index === $phys_index) {
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break;
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}
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$entPhysicalClass = $entity_array[$phys_index]['entPhysicalClass'];
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$entPhysicalName = $entity_array[$phys_index]['entPhysicalName'];
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//either sensor is contained by a port class entity.
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if ($entPhysicalClass === 'port') {
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$entAliasMappingIdentifier = $entity_array[$phys_index][0]['entAliasMappingIdentifier'];
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if (Str::contains($entAliasMappingIdentifier, 'ifIndex.')) {
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[, $tmp_ifindex] = explode('.', $entAliasMappingIdentifier);
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}
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break;
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//or sensor entity has a parent entity with module class and entPhysicalName set to an existing ifName.
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} elseif ($entPhysicalClass === 'module' && array_key_exists($entPhysicalName, $port_reverse_array)) {
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$tmp_ifindex = $port_reverse_array[$entPhysicalName]['ifIndex'];
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break;
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} else {
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$phys_index = $entity_array[$phys_index]['entPhysicalContainedIn'];
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}
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}
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if ($tmp_ifindex != 0) {
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$tmp_port = get_port_by_index_cache($device['device_id'], $tmp_ifindex);
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if (is_array($tmp_port)) {
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$entPhysicalIndex = $tmp_ifindex;
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$entry['entSensorMeasuredEntity'] = 'ports';
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}
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}
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discover_sensor($valid['sensor'], $type, $device, $oid, $index, 'cisco-entity-sensor', ucwords($descr), $divisor, $multiplier, $limit_low, $warn_limit_low, $warn_limit, $limit, $current, 'snmp', $entPhysicalIndex, $entry['entSensorMeasuredEntity'], null);
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//Cisco IOS-XR : add a fake sensor to graph as dbm
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if ($type == 'power' and $device['os'] == 'iosxr' and (preg_match('/power (R|T)x/i', $descr) or preg_match('/(R|T)x Power/i', $descr) or preg_match('/(R|T)x Lane/i', $descr))) {
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// convert Watts to dbm
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$user_func = 'mw_to_dbm';
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$type = 'dbm';
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$limit_low = 10 * log10($limit_low * 1000);
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$warn_limit_low = 10 * log10($warn_limit_low * 1000);
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$warn_limit = 10 * log10($warn_limit * 1000);
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$limit = 10 * log10($limit * 1000);
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$current = round(10 * log10($current * 1000), 3);
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$multiplier = 1000;
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//echo("\n".$valid['sensor'].", $type, $device, $oid, $index, 'cisco-entity-sensor', $descr, $divisor, $multiplier, $limit_low, $warn_limit_low, $warn_limit, $limit, $current, $user_func");
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discover_sensor($valid['sensor'], $type, $device, $oid, $index, 'cisco-entity-sensor', $descr, $divisor, $multiplier, $limit_low, $warn_limit_low, $warn_limit, $limit, $current, 'snmp', $entPhysicalIndex, $entry['entSensorMeasuredEntity'], $user_func);
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}
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}
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$cisco_entity_temperature = 1;
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unset($limit, $limit_low, $warn_limit, $warn_limit_low);
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}//end if
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}//end foreach
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}//end if
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unset(
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$entity_array
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);
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}//end if
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