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includes/discovery/storage.inc.php
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162
includes/discovery/storage.inc.php
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<?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) 2006-2013 Adam Armstrong, (C) 2013-2021 Observium Limited
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*
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*/
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// Include all discovery modules
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$include_dir = "includes/discovery/storage";
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include("includes/include-dir-mib.inc.php");
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foreach (get_device_mibs_permitted($device) as $mib) {
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if (!is_array($config['mibs'][$mib]['storage'])) { continue; }
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echo("$mib ");
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foreach ($config['mibs'][$mib]['storage'] as $entry_name => $entry) {
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$entry['found'] = FALSE;
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$entry['mib'] = $mib;
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if (discovery_check_requires_pre($device, $entry, 'storage')) {
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continue;
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}
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// Init Precision (scale)/total/used/free
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$used = NULL;
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$total = NULL;
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$free = NULL;
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$perc = NULL;
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$options = [];
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if (isset($entry['scale']) && is_numeric($entry['scale']) && $entry['scale']) {
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$scale = $entry['scale'];
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} else {
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$scale = 1;
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}
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/////////////////////
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// Table Discovery //
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/////////////////////
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/* FIXME. Partially changed, need rewrite to common style
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// If the type is table, walk the table!
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if ($entry['type'] == "table")
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{
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$entry['oids'][$entry_name] = $entry_name;
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}
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else
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{
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// Type is not table, so we have to walk each OID individually
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foreach (array('oid_total', 'oid_total', 'oid_free', 'oid_perc', 'oid_descr') as $oid)
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{
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if (isset($entry[$oid]))
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{
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$entry['oids'][$oid] = $entry[$oid];
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}
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}
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}
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// FIXME - cache this outside the storage array and then just array_merge it in. Descr OIDs are probably shared a lot
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// FIXME - Allow different MIBs for OIDs. Best done by prefixing with MIB and parsing it out?
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if (isset($entry['extra_oids']))
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{
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foreach ((array)$entry['extra_oids'] as $oid)
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{
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$entry['oids'][$oid] = $oid;
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}
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}
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foreach ($entry['oids'] as $oid)
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{
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$storage_array = snmpwalk_cache_oid($device, $oid, $storage_array, $mib);
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}
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*/
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$table_oids = [ 'oid_total', 'oid_used', 'oid_free', 'oid_perc', 'oid_descr',
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'oid_scale', 'oid_unit', 'oid_extra',
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//'oid_limit_low', 'oid_limit_low_warn', 'oid_limit_high_warn', 'oid_limit_high',
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//'oid_limit_nominal', 'oid_limit_delta_warn', 'oid_limit_delta', 'oid_limit_scale'
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];
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$storage_array = discover_fetch_oids($device, $mib, $entry, $table_oids);
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// FIXME - generify description generation code and just pass it template and OID array.
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$i = 1; // Used in descr as %i%
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$storage_count = count($storage_array);
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foreach ($storage_array as $index => $storage_entry) {
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$oid_num = $entry['oid_num'] . '.' . $index;
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// Generate storage description
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$storage_entry['i'] = $i;
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$storage_entry['index'] = $index;
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$descr = entity_descr_definition('storage', $entry, $storage_entry, $storage_count);
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// Convert strings '3.40 TB' to value
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// See QNAP NAS-MIB or HIK-DEVICE-MIB
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$unit = isset($entry['unit']) ? $entry['unit'] : NULL;
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// Fetch used, total, free and percentage values, if OIDs are defined for them
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if (!safe_empty($entry['oid_used'])) {
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$used = snmp_fix_numeric($storage_entry[$entry['oid_used']], $unit);
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}
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if (!safe_empty($entry['oid_free'])) {
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$free = snmp_fix_numeric($storage_entry[$entry['oid_free']], $unit);
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}
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if (!safe_empty($entry['oid_perc'])) {
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$perc = snmp_fix_numeric($storage_entry[$entry['oid_perc']]);
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}
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// Prefer hardcoded total over SNMP OIDs
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if (!safe_empty($entry['total'])) {
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$total = $entry['total'];
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} elseif (!safe_empty($entry['oid_total'])) {
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$total = snmp_fix_numeric($storage_entry[$entry['oid_total']], $unit);
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}
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// Extrapolate all values from the ones we have.
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$storage = calculate_mempool_properties($scale, $used, $total, $free, $perc, $options);
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print_debug_vars(array($scale, $used, $total, $free, $perc, $options));
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print_debug_vars($storage_entry);
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print_debug_vars($storage);
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print_debug_vars(array(is_numeric($storage['used']), is_numeric($storage['total'])));
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// If we have valid used and total, discover the storage
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if (is_numeric($storage['used']) && is_numeric($storage['total'])) {
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discover_storage($valid['storage'], $device, $index, $entry_name, $mib, $descr, $scale, $storage['total'], $storage['used']); // FIXME storage_hc = ??
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$entry['found'] = TRUE;
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}
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$i++;
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}
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}
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}
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print_debug_vars($valid['storage']);
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// Remove storage which weren't redetected here
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$query = 'SELECT * FROM `storage` WHERE `device_id` = ?';
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foreach (dbFetchRows($query, array($device['device_id'])) as $test_storage) {
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$storage_index = $test_storage['storage_index'];
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$storage_mib = $test_storage['storage_mib'];
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$storage_descr = $test_storage['storage_descr'];
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print_debug($storage_index . " -> " . $storage_mib);
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if (!$valid['storage'][$storage_mib][$storage_index]) {
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$GLOBALS['module_stats']['storage']['deleted']++; //echo('-');
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dbDelete('storage', 'storage_id = ?', array($test_storage['storage_id']));
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log_event("Storage removed: index $storage_index, mib $storage_mib, descr $storage_descr", $device, 'storage', $test_storage['storage_id']);
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}
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}
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$GLOBALS['module_stats'][$module]['status'] = safe_count($valid[$module]);
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if (OBS_DEBUG && $GLOBALS['module_stats'][$module]['status']) { print_vars($valid[$module]); }
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// EOF
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