LibreNMS/Snmptrap/Handlers/Mgnt2TrapNmsAlarm.php
<?php
/**
* Mgnt2TrapNMSEvent.php
*
* -Description-
*
* Ekinops managment module alarms
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* @link https://www.librenms.org
*
* @copyright 2020 KanREN, Inc.
* @author Heath Barnhart <hbarnhart@kanren.net>
*/
namespace LibreNMS\Snmptrap\Handlers;
use App\Models\Device;
use LibreNMS\Enum\Severity;
use LibreNMS\Interfaces\SnmptrapHandler;
use LibreNMS\Snmptrap\Trap;
class Mgnt2TrapNmsAlarm implements SnmptrapHandler
{
/**
* Handle snmptrap.
* Data is pre-parsed and delivered as a Trap.
*
* @param Device $device
* @param Trap $trap
* @return void
*/
public function handle(Device $device, Trap $trap)
{
$alarmObj = $trap->getOidData($trap->findOid('EKINOPS-MGNT2-NMS-MIB::mgnt2AlmLogObjectClassIdentifier'));
$sourcePm = $trap->getOidData($trap->findOid('EKINOPS-MGNT2-NMS-MIB::mgnt2AlmLogSourcePm'));
$slot = $trap->getOidData($trap->findOid('EKINOPS-MGNT2-NMS-MIB::mgnt2AlmLogBoardNumber'));
$portType = $trap->getOidData($trap->findOid('EKINOPS-MGNT2-NMS-MIB::mgnt2AlmLogSourcePortType'));
$portNum = $trap->getOidData($trap->findOid('EKINOPS-MGNT2-NMS-MIB::mgnt2AlmLogSourcePortNumber'));
$probCause = $trap->getOidData($trap->findOid('EKINOPS-MGNT2-NMS-MIB::mgnt2AlmLogProbableCause'));
$probSpecific = $trap->getOidData($trap->findOid('EKINOPS-MGNT2-NMS-MIB::mgnt2AlmLogSpecificProblem'));
$probAdd = $trap->getOidData($trap->findOid('EKINOPS-MGNT2-NMS-MIB::mgnt2AlmLogAdditionalText'));
$alarmSeverity = $trap->getOidData($trap->findOid('EKINOPS-MGNT2-NMS-MIB::mgnt2AlmLogSeverity'));
// Adding additional info if it exists.
if (! empty($probAdd)) {
$probSpecific = "$probSpecific Additional info: $probAdd";
}
// Changing other to unknown
if ($probCause == 'other') {
$probCause = 'Unknown';
}
if ($alarmObj == 'port') {
$msg = "Alarm on slot $slot, $sourcePm Port: $portType $portNum Issue: $probSpecific Possible Cause: $probCause";
} else {
$msg = "Alarm on slot $slot, $sourcePm Issue: $probSpecific Possible Cause: $probCause";
}
$severity = match ($alarmSeverity) {
'cleared' => Severity::Ok,
'critical', 'major' => Severity::Error,
'minor', 'warning' => Severity::Warning,
'indeterminate' => Severity::Unknown,
default => Severity::Info,
};
$trap->log($msg, $severity);
}
}