Observium_CE/includes/polling/mempools.inc.php

144 lines
7.2 KiB
PHP

<?php
/**
* Observium
*
* This file is part of Observium.
*
* @package observium
* @subpackage poller
* @copyright (C) 2006-2013 Adam Armstrong, (C) 2013-2020 Observium Limited
*
*/
if (!isset($cache_storage)) { $cache_storage = array(); } // This cache used also in storage module
$table_rows = array();
$sql = 'SELECT * FROM `mempools`';
//$sql .= ' LEFT JOIN `mempools-state` USING (`mempool_id`)';
$sql .= ' WHERE `device_id` = ?';
foreach (dbFetchRows($sql, array($device['device_id'])) as $mempool) {
$mib_lower = strtolower($mempool['mempool_mib']);
$file = $config['install_dir'].'/includes/polling/mempools/'.$mib_lower.'.inc.php';
if (!$mempool['mempool_multiplier']) { $mempool['mempool_multiplier'] = 1; }
if (is_file($file)) {
$cache_mempool = NULL;
$index = $mempool['mempool_index'];
include($file);
// Merge calculated used/total/free/perc array keys into $mempool variable
$mempool = array_merge($mempool, calculate_mempool_properties($mempool['mempool_multiplier'], $mempool['used'], $mempool['total'], $mempool['free'], $mempool['perc']));
} elseif (!safe_empty($mempool['mempool_table'])) {
// Check if we can poll the device ourselves with generic code using definitions.
// Table is always set when definitions add mempools.
$table_def = $config['mibs'][$mempool['mempool_mib']]['mempool'][$mempool['mempool_table']];
if ($table_def['type'] === 'static') {
if (isset($table_def['oid_perc_num'])) { $mempool['perc'] = snmp_get_oid($device, $table_def['oid_perc_num']); }
elseif (isset($table_def['oid_perc'])) { $mempool['perc'] = snmp_get_oid($device, $table_def['oid_perc'], $mempool['mempool_mib']); }
if (isset($table_def['oid_free_num'])) { $mempool['free'] = snmp_get_oid($device, $table_def['oid_free_num']); }
elseif (isset($table_def['oid_free'])) { $mempool['free'] = snmp_get_oid($device, $table_def['oid_free'], $mempool['mempool_mib']); }
if (isset($table_def['oid_used_num'])) { $mempool['used'] = snmp_get_oid($device, $table_def['oid_used_num']); }
elseif (isset($table_def['oid_used'])) { $mempool['used'] = snmp_get_oid($device, $table_def['oid_used'], $mempool['mempool_mib']); }
if (isset($table_def['total'])) { $mempool['total'] = $table_def['total']; }
elseif (isset($table_def['oid_total_num'])) { $mempool['total'] = snmp_get_oid($device, $table_def['oid_total_num']); }
elseif (isset($table_def['oid_total'])) { $mempool['total'] = snmp_get_oid($device, $table_def['oid_total'], $mempool['mempool_mib']); }
} else {
// FIXME. Need pre-cache same as for sensors
if (isset($table_def['oid_perc_num'])) { $mempool['perc'] = snmp_get_oid($device, $table_def['oid_perc_num'].'.'.$mempool['mempool_index']); }
elseif (isset($table_def['oid_perc'])) { $mempool['perc'] = snmp_get_oid($device, $table_def['oid_perc'].'.'.$mempool['mempool_index'], $mempool['mempool_mib']); }
if (isset($table_def['oid_free_num'])) { $mempool['free'] = snmp_get_oid($device, $table_def['oid_free_num'].'.'.$mempool['mempool_index']); }
elseif (isset($table_def['oid_free'])) { $mempool['free'] = snmp_get_oid($device, $table_def['oid_free'].'.'.$mempool['mempool_index'], $mempool['mempool_mib']); }
if (isset($table_def['oid_used_num'])) { $mempool['used'] = snmp_get_oid($device, $table_def['oid_used_num'].'.'.$mempool['mempool_index']); }
elseif (isset($table_def['oid_used'])) { $mempool['used'] = snmp_get_oid($device, $table_def['oid_used'].'.'.$mempool['mempool_index'], $mempool['mempool_mib']); }
if (isset($table_def['oid_total'])) {
// Static Total Oid, NMS-CHASSIS
$oid = str_contains($table_def['oid_total'], '.') ? $table_def['oid_total'] : $table_def['oid_total'].'.'.$mempool['mempool_index'];
$mempool['total'] = snmp_get_oid($device, $oid, $mempool['mempool_mib']);
} elseif (isset($table_def['oid_total_num'])) {
$mempool['total'] = snmp_get_oid($device, $table_def['oid_total_num'].'.'.$mempool['mempool_index']);
}
if (safe_empty($mempool['total']) && isset($table_def['total'])) {
$mempool['total'] = $table_def['total'];
}
}
// Clean not numeric symbols from snmp output
foreach (array('perc', 'free', 'used', 'total') as $param) {
// Convert strings '3.40 TB' to value
// See QNAP NAS-MIB or HIK-DEVICE-MIB
$unit = ($param !== 'perc' && isset($table_def['unit'])) ? $table_def['unit'] : NULL;
if (isset($mempool[$param])) { $mempool[$param] = snmp_fix_numeric($mempool[$param], $unit); }
}
// Merge calculated used/total/free/perc array keys into $mempool variable (with additional options)
$mempool = array_merge($mempool, calculate_mempool_properties($mempool['mempool_multiplier'], $mempool['used'], $mempool['total'], $mempool['free'], $mempool['perc'], $table_def));
} else {
// Unknown, so force rediscovery as there's a broken mempool
force_discovery($device, 'mempools');
}
$hc = ($mempool['mempool_hc'] ? ' (HC)' : '');
// Update StatsD/Carbon
if ($config['statsd']['enable'] == TRUE)
{
StatsD::gauge(str_replace('.', '_', $device['hostname']).'.'.'mempool'.'.'.$mempool['mempool_mib'] . '.' . $mempool['mempool_index'].'.used', $mempool['used']);
StatsD::gauge(str_replace('.', '_', $device['hostname']).'.'.'mempool'.'.'.$mempool['mempool_mib'] . '.' . $mempool['mempool_index'].'.free', $mempool['free']);
}
// Need to handle multiple mempools from the same MIB
if (isset($mempool['mempool_table'])) {
$filename = $mib_lower . '-' . $mempool['mempool_table'] . '-' . $mempool['mempool_index'];
rename_rrd($device, 'mempool-'.$mib_lower . '-' . $mempool['mempool_index'], 'mempool-'.$mib_lower . '-' . $mempool['mempool_table'] . '-' . $mempool['mempool_index'] );
} else {
$filename = $mib_lower . '-' . $mempool['mempool_index'];
}
rrdtool_update_ng($device, 'mempool', array('used' => $mempool['used'], 'free' => $mempool['free']), $filename);
$mempool['state'] = array('mempool_polled' => time(),
'mempool_used' => $mempool['used'],
'mempool_perc' => $mempool['perc'],
'mempool_free' => $mempool['free'],
'mempool_total' => $mempool['total']);
dbUpdate($mempool['state'], 'mempools', '`mempool_id` = ?', array($mempool['mempool_id']));
$graphs['mempool'] = TRUE;
check_entity('mempool', $mempool, array('mempool_perc' => $mempool['perc'], 'mempool_free' => $mempool['free'], 'mempool_used' => $mempool['used']));
$table_row = array();
$table_row[] = $mempool['mempool_descr'];
$table_row[] = $mempool['mempool_mib'];
$table_row[] = $mempool['mempool_index'];
$table_row[] = formatStorage($mempool['total']);
$table_row[] = formatStorage($mempool['used']);
$table_row[] = formatStorage($mempool['free']);
$table_row[] = $mempool['perc'].'%';
$table_rows[] = $table_row;
unset($table_row);
}
$headers = array('%WLabel%n', '%WType%n', '%WIndex%n', '%WTotal%n', '%WUsed%n', '%WFree%n', '%WPerc%n');
print_cli_table($table_rows, $headers);
unset($cache_mempool, $mempool, $index, $table_row, $table_rows, $table_headers, $unit);
// EOF