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8abe508cfd
Fix issues with newer devices by updating CISCO-PROCESS-MIB Detect individual cores on supported processors
116 lines
3.9 KiB
PHP
116 lines
3.9 KiB
PHP
<?php
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/**
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* Cisco.php
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*
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* Base Cisco OS for Cisco based devices
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package LibreNMS
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* @link http://librenms.org
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* @copyright 2018 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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namespace LibreNMS\OS\Shared;
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use LibreNMS\Device\Processor;
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use LibreNMS\Interfaces\Discovery\ProcessorDiscovery;
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use LibreNMS\OS;
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class Cisco extends OS implements ProcessorDiscovery
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{
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/**
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* Discover processors.
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* Returns an array of LibreNMS\Device\Processor objects that have been discovered
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*
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* @return array Processors
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*/
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public function discoverProcessors()
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{
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$processors_data = snmpwalk_group($this->getDevice(), 'cpmCPU', 'CISCO-PROCESS-MIB');
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$processors = array();
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foreach ($processors_data as $index => $entry) {
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if (is_numeric($entry['cpmCPUTotal5minRev'])) {
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$usage_oid = '.1.3.6.1.4.1.9.9.109.1.1.1.1.8.'.$index;
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$usage = $entry['cpmCPUTotal5minRev'];
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} elseif (is_numeric($entry['cpmCPUTotal5min'])) {
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$usage_oid = '.1.3.6.1.4.1.9.9.109.1.1.1.1.5.'.$index;
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$usage = $entry['cpmCPUTotal5min'];
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} else {
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continue; // skip bad data
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}
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$entPhysicalIndex = $entry['cpmCPUTotalPhysicalIndex'];
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if ($entPhysicalIndex) {
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if ($this->isCached('entPhysicalName')) {
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$entPhysicalName_array = $this->getCacheByIndex('entPhysicalName', 'ENTITY-MIB');
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$descr = $entPhysicalName_array[$entPhysicalIndex];
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}
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if (empty($descr)) {
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$descr = snmp_get($this->getDevice(), 'entPhysicalName.'.$entPhysicalIndex, '-Oqv', 'ENTITY-MIB');
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}
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}
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if (empty($descr)) {
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$descr = "Processor $index";
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}
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if (is_array($entry['cpmCore5min'])) {
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// This CPU has data per individual core
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foreach ($entry['cpmCore5min'] as $core_index => $core_usage) {
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$processors[] = Processor::discover(
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'cpm',
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$this->getDeviceId(),
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".1.3.6.1.4.1.9.9.109.1.1.2.1.5.$index.$core_index",
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"$index.$core_index",
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"$descr: Core $core_index",
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1,
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$core_usage,
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null,
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$entPhysicalIndex
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);
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}
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} else {
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$processors[] = Processor::discover(
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'cpm',
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$this->getDeviceId(),
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$usage_oid,
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$index,
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$descr,
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1,
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$usage,
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null,
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$entPhysicalIndex
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);
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}
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}
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if (empty($processors)) {
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// fallback to old pre-12.0 OID
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$processors[] = Processor::discover(
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'ios',
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$this->getDeviceId(),
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'.1.3.6.1.4.1.9.2.1.58.0', // OLD-CISCO-CPU-MIB::avgBusy5
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0
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);
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}
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return $processors;
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}
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}
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