Observium_CE/includes/discovery/mempools/host-resources-mib.inc.php

119 lines
4.5 KiB
PHP

<?php
/**
* Observium
*
* This file is part of Observium.
*
* @package observium
* @subpackage discovery
* @copyright (C) Adam Armstrong
*
*/
$hrStorage = snmp_cache_table($device, "hrStorageEntry", [], "HOST-RESOURCES-MIB:HOST-RESOURCES-TYPES");
//$debug_stats = array('total' => 0, 'used' => 0);
if (!safe_empty($hrStorage)) {
if ($device['os'] === "arista_eos" && $hrStorage[1]['hrStorageDescr'] === 'RAM') {
// Arista EOS derp hack for correct free memory
// https://eos.arista.com/memory-utilization-on-eos-devices/
// hrStorageType.1 = hrStorageRam
// hrStorageType.2 = hrStorageRam
// hrStorageType.3 = hrStorageRam
// hrStorageType.100 = hrStorageRam
// hrStorageDescr.1 = RAM
// hrStorageDescr.2 = RAM (Buffers)
// hrStorageDescr.3 = RAM (Cache)
// hrStorageDescr.100 = RAM (Unavailable)
// hrStorageAllocationUnits.1 = 1024
// hrStorageAllocationUnits.2 = 1024
// hrStorageAllocationUnits.3 = 1024
// hrStorageAllocationUnits.100 = 1024
// hrStorageSize.1 = 8152456
// hrStorageSize.2 = 8152456
// hrStorageSize.3 = 8152456
// hrStorageSize.100 = 8152456
// hrStorageUsed.1 = 7376060
// hrStorageUsed.2 = 288472
// hrStorageUsed.3 = 2984372
// hrStorageUsed.100 = 1811664
$hrStorage[1]['hrStorageUsed'] = snmp_dewrap32bit($hrStorage[1]['hrStorageUsed']);
foreach ($hrStorage as $idx => $entry) {
if ($idx != '1' && $entry['hrStorageType'] === 'hrStorageRam' &&
str_starts($entry['hrStorageDescr'], 'RAM') && !str_contains($entry['hrStorageDescr'], 'Unavailable')) {
// Use only Buffers and Cache
$hrStorage[1]['hrStorageUsed'] -= snmp_dewrap32bit($entry['hrStorageUsed']);
unset($hrStorage[$idx]);
}
}
unset($idx);
}
foreach ($hrStorage as $index => $entry) {
$descr = $entry['hrStorageDescr'];
$units = $entry['hrStorageAllocationUnits'];
$total = snmp_dewrap32bit($entry['hrStorageSize']);
$used = snmp_dewrap32bit($entry['hrStorageUsed']);
$deny = TRUE;
switch ($entry['hrStorageType']) {
case 'hrStorageVirtualMemory':
case 'hrStorageRam':
case 'hrStorageOther':
case 'hrStorageTypes.20':
case 'nwhrStorageDOSMemory':
case 'nwhrStorageMemoryAlloc':
case 'nwhrStorageMemoryPermanent':
case 'nwhrStorageCacheBuffers':
case 'nwhrStorageCacheMovable':
case 'nwhrStorageCacheNonMovable':
case 'nwhrStorageCodeAndDataMemory':
case 'nwhrStorageIOEngineMemory':
case 'nwhrStorageMSEngineMemory':
case 'nwhrStorageUnclaimedMemory':
$deny = FALSE;
break;
}
if ($device['os'] === "routeros" && $descr === "main memory") {
$deny = FALSE;
} elseif ($device['os'] === "mcd") {
// Yes, hardcoded logic for mcd, because they do not use standard
// See: http://jira.observium.org/browse/OBSERVIUM-1269
if ($index === 1) {
// hrStorageType.1 = hrStorageRam
// hrStorageDescr.1 = System Free Memory
// hrStorageAllocationUnits.1 = 1
// hrStorageSize.1 = 160481280
// hrStorageUsed.1 = 160481280
$descr = "Memory";
$free = $total;
$total = 536870912; // 512Mb, Really total memory calculates as summary of all memory pools from this mib
$used = $total - $free;
discover_mempool($valid['mempool'], $device, $index, "host-resources-mcd", $descr, $units, $total, $used);
}
$deny = TRUE;
continue;
}
if ($deny ||
str_contains_array($descr, ["MALLOC", "UMA"]) || // Ignore FreeBSD INSANITY
str_contains_array($descr, ["procfs", "/proc"]) || // Ignore ProcFS
in_array($descr, ["Cached memory", "Shared memory", "Physical memory"], TRUE)) { // Ignore worthless data on Unix hosts
continue;
}
if (is_numeric($entry['hrStorageSize']) && $total) {
discover_mempool($valid['mempool'], $device, $index, $mib, $descr, $units, $total, $used);
//$debug_stats['total'] += $total;
//$debug_stats['used'] += $used;
}
}
}
unset($index, $descr, $total, $used, $units, $deny);
// EOF