LibreNMS/OS/Traits/UcdResources.php
<?php
/**
* UcdProcessor.php
*
* -Description-
*
* 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 2018 Tony Murray
* @author Tony Murray <murraytony@gmail.com>
*/
namespace LibreNMS\OS\Traits;
use App\Models\Mempool;
use Illuminate\Support\Collection;
use LibreNMS\Device\Processor;
trait UcdResources
{
/**
* Discover processors.
* Returns an array of LibreNMS\Device\Processor objects that have been discovered
*
* @return array Processors
*/
public function discoverProcessors()
{
echo 'UCD Resources: ';
return [
Processor::discover(
'ucd-old',
$this->getDeviceId(),
'.1.3.6.1.4.1.2021.11.11.0',
0,
'CPU',
-1
),
];
}
public function discoverMempools()
{
$mempools = new Collection();
$data = snmp_get_multi($this->getDeviceArray(), [
'memTotalSwap.0',
'memAvailSwap.0',
'memTotalReal.0',
'memAvailReal.0',
'memBuffer.0',
'memCached.0',
'memSysAvail.0',
], '-OQUs', 'UCD-SNMP-MIB');
if ($this->oidValid($data, 'memTotalReal') && $this->oidValid($data, 'memAvailReal')) {
$mempools->push((new Mempool([
'mempool_index' => 1,
'mempool_type' => 'ucd',
'mempool_class' => 'system',
'mempool_precision' => 1024,
'mempool_descr' => 'Physical memory',
'mempool_free_oid' => '.1.3.6.1.4.1.2021.4.6.0',
]))->fillUsage(null, $data[0]['memTotalReal'] ?? null, $data[0]['memAvailReal']));
}
if ($this->oidValid($data, 'memTotalSwap') && $this->oidValid($data, 'memAvailSwap')) {
$mempools->push((new Mempool([
'mempool_index' => 2,
'mempool_type' => 'ucd',
'mempool_class' => 'swap',
'mempool_precision' => 1024,
'mempool_descr' => 'Swap space',
'mempool_free_oid' => '.1.3.6.1.4.1.2021.4.4.0',
]))->fillUsage(null, $data[0]['memTotalSwap'], $data[0]['memAvailSwap']));
}
if ($this->oidValid($data, 'memBuffer')) {
$mempools->push((new Mempool([
'mempool_index' => 3,
'mempool_type' => 'ucd',
'mempool_class' => 'buffers',
'mempool_precision' => 1024,
'mempool_descr' => 'Memory buffers',
'mempool_used_oid' => '.1.3.6.1.4.1.2021.4.14.0',
]))->fillUsage($data[0]['memBuffer'], $data[0]['memTotalReal']));
}
if ($this->oidValid($data, 'memCached')) {
$mempools->push((new Mempool([
'mempool_index' => 4,
'mempool_type' => 'ucd',
'mempool_class' => 'cached',
'mempool_precision' => 1024,
'mempool_descr' => 'Cached memory',
'mempool_used_oid' => '.1.3.6.1.4.1.2021.4.15.0',
]))->fillUsage($data[0]['memCached'], $data[0]['memTotalReal']));
}
if ($this->oidValid($data, 'memSysAvail')) {
$mempools->push((new Mempool([
'mempool_index' => 5,
'mempool_type' => 'ucd',
'mempool_class' => 'available',
'mempool_precision' => 1024,
'mempool_descr' => 'Available memory',
'mempool_free_oid' => '.1.3.6.1.4.1.2021.4.27.0',
]))->fillUsage(null, $data[0]['memTotalReal'], $data[0]['memSysAvail']));
}
return $mempools;
}
private function oidValid($data, $oid)
{
return isset($data[0][$oid]) && $data[0][$oid] !== 'NULL';
}
}