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