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cacti/support.php
T
TheWitness deb3f382d6 Fixing #5225 - Database Recommendation issues. 
When your Database server has TB of memory, memory calculation returns incorrect data in Cacti
2023-04-17 18:41:28 -04:00

998 lines
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<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2023 The Cacti Group |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
+-------------------------------------------------------------------------+
| Cacti: The Complete RRDtool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
include('./include/auth.php');
include_once('./lib/api_data_source.php');
include_once('./lib/boost.php');
include_once('./lib/rrd.php');
include_once('./lib/clog_webapi.php');
include_once('./lib/poller.php');
include_once('./lib/utility.php');
/* set default action */
set_default_action();
support_view_tech();
/* -----------------------
Functions
----------------------- */
function support_view_tech() {
global $config, $database_hostname, $poller_options, $input_types, $local_db_cnn_id;
/* ================= input validation ================= */
get_filter_request_var('tab', FILTER_VALIDATE_REGEXP, array('options' => array('regexp' => '/^([a-z_A-Z]+)$/')));
/* ==================================================== */
/* present a tabbed interface */
$tabs = array(
'summary' => __('Summary'),
'database' => __('Database'),
'dbsettings' => __('Database Settings'),
'dbstatus' => __('Database Status'),
'dbperms' => __('Database Permissions'),
'phpinfo' => __('PHP Info'),
'changelog' => __('ChangeLog'),
'poller' => __('Poller'),
);
/* set the default tab */
load_current_session_value('tab', 'sess_ts_tabs', 'summary');
$current_tab = get_nfilter_request_var('tab');
$page = 'support.php?tab=' . $current_tab;
$refresh = array(
'seconds' => 999999,
'page' => $page,
'logout' => 'false'
);
set_page_refresh($refresh);
$header_label = __esc('Technical Support [%s]', $tabs[get_request_var('tab')]);
top_header();
if (cacti_sizeof($tabs)) {
$i = 0;
/* draw the tabs */
print "<div class='tabs'><nav><ul role='tablist'>";
foreach (array_keys($tabs) as $tab_short_name) {
print "<li class='subTab'><a class='tab pic " . (($tab_short_name == $current_tab) ? " selected'" : "'") .
" href='" . html_escape(CACTI_PATH_URL .
'support.php?' .
'tab=' . $tab_short_name) .
"'>" . $tabs[$tab_short_name] . '</a></li>';
$i++;
}
api_plugin_hook('utilities_tab');
print '</ul></nav></div>';
}
/* Display tech information */
html_start_box($header_label, '100%', '', '3', 'center', '');
if (get_request_var('tab') == 'summary') {
/* Get poller stats */
$poller_item = db_fetch_assoc('SELECT action, count(action) AS total
FROM poller_item
GROUP BY action');
/* Get system stats */
$host_count = db_fetch_cell('SELECT COUNT(*) FROM host WHERE deleted = ""');
$graph_count = db_fetch_cell('SELECT COUNT(*) FROM graph_local');
$data_count = db_fetch_assoc('SELECT i.type_id, COUNT(i.type_id) AS total
FROM data_template_data AS d, data_input AS i
WHERE d.data_input_id = i.id
AND local_data_id <> 0
GROUP BY i.type_id');
/* Get RRDtool version */
$rrdtool_version = __('Unknown');
$rrdtool_release = __('Unknown');
$storage_location = read_config_option('storage_location');
$out_array = array();
if ($storage_location == 0) {
if ((file_exists(read_config_option('path_rrdtool'))) && ((function_exists('is_executable')) && (is_executable(read_config_option('path_rrdtool'))))) {
exec(cacti_escapeshellcmd(read_config_option('path_rrdtool')), $out_array);
}
} else {
$rrdtool_pipe = rrd_init();
$out_array[] = rrdtool_execute('info', false, RRDTOOL_OUTPUT_STDOUT, $rrdtool_pipe, 'WEBLOG');
rrd_close($rrdtool_pipe);
}
if (cacti_sizeof($out_array) > 0) {
if (preg_match('/^RRDtool ([0-9.]+)/', $out_array[0], $m)) {
preg_match('/^([0-9]+\.[0-9]+\.[0.9]+)/', $m[1], $m2);
$rrdtool_release = $m[1];
$rrdtool_version = $rrdtool_release;
}
}
/* Get SNMP cli version */
if ((file_exists(read_config_option('path_snmpget'))) && ((function_exists('is_executable')) && (is_executable(read_config_option('path_snmpget'))))) {
$snmp_version = shell_exec(cacti_escapeshellcmd(read_config_option('path_snmpget')) . ' -V 2>&1');
} else {
$snmp_version = "<span class='deviceDown'>" . __('NET-SNMP Not Installed or its paths are not set. Please install if you wish to monitor SNMP enabled devices.') . '</span>';
}
/* Check RRDtool issues */
$rrdtool_errors = array();
if (cacti_version_compare($rrdtool_version, get_rrdtool_version(), '<')) {
$rrdtool_errors[] = "<span class='deviceDown'>" . __('ERROR: Installed RRDtool version does not exceed configured version.<br>Please visit the %s and select the correct RRDtool Utility Version.', "<a href='" . html_escape('settings.php?tab=general') . "'>" . __('Configuration Settings') . '</a>') . '</span>';
}
$graph_gif_count = db_fetch_cell('SELECT COUNT(*) FROM graph_templates_graph WHERE image_format_id = 2');
if ($graph_gif_count > 0) {
$rrdtool_errors[] = "<span class='deviceDown'>" . __('ERROR: RRDtool 1.2.x+ does not support the GIF images format, but %d" graph(s) and/or templates have GIF set as the image format.', $graph_gif_count) . '</span>';
}
/* Get spine version */
$spine_version = 'Unknown';
if ((file_exists(read_config_option('path_spine'))) && ((function_exists('is_executable')) && (is_executable(read_config_option('path_spine'))))) {
$out_array = array();
exec(cacti_escapeshellcmd(read_config_option('path_spine')) . ' --version', $out_array);
if (cacti_sizeof($out_array) > 0) {
$spine_version = $out_array[0];
}
}
html_section_header(__('General Information'), 2);
form_alternate_row();
print '<td>' . __('Date') . '</td>';
print '<td>' . date('r') . '</td>';
form_end_row();
api_plugin_hook_function('custom_version_info');
form_alternate_row();
print '<td>' . __('Cacti Version') . '</td>';
print '<td>' . CACTI_VERSION . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Cacti OS') . '</td>';
print '<td>' . $config['cacti_server_os'] . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('RSA Fingerprint') . '</td>';
print '<td>' . read_config_option('rsa_fingerprint') . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('NET-SNMP Version') . '</td>';
print '<td>' . $snmp_version . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('RRDtool Version') . ' ' . __('Configured') . '</td>';
print '<td>' . get_rrdtool_version() . '+</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('RRDtool Version') . ' ' . __('Found') . '</td>';
print '<td>' . $rrdtool_release . '</td>';
form_end_row();
if (!empty($rrdtool_errors)) {
form_alternate_row();
print '<td>&nbsp;</td>';
$br = '';
print '<td>';
foreach ($rrdtool_errors as $rrdtool_error) {
print $br . $rrdtool_error;
$br = '<br/>';
}
print '</td>';
form_end_row();
}
form_alternate_row();
print '<td>' . __('Devices') . '</td>';
print '<td>' . number_format_i18n($host_count, -1) . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Graphs') . '</td>';
print '<td>' . number_format_i18n($graph_count, -1) . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Data Sources') . '</td>';
print '<td>';
$data_total = 0;
if (cacti_sizeof($data_count)) {
foreach ($data_count as $item) {
print $input_types[$item['type_id']] . ': ' . number_format_i18n($item['total'], -1) . '<br>';
$data_total += $item['total'];
}
print __('Total: %s', number_format_i18n($data_total, -1));
} else {
print "<span class='deviceDown'>0</span>";
}
print '</td>';
form_end_row();
html_section_header(__('Poller Information'), 2);
form_alternate_row();
print '<td>' . __('Interval') . '</td>';
print '<td>' . read_config_option('poller_interval') . '</td>';
if (file_exists(read_config_option('path_spine')) && $poller_options[read_config_option('poller_type')] == 'spine') {
$type = $spine_version;
if (!strpos($spine_version, CACTI_VERSION)) {
$type .= '<span class="textError"> (' . __('Different version of Cacti and Spine!') . ')</span>';
}
} else {
$type = $poller_options[read_config_option('poller_type')];
}
form_end_row();
form_alternate_row();
print '<td>' . __('Type') . '</td>';
print '<td>' . $type . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Items') . '</td>';
print '<td>';
$total = 0;
if (cacti_sizeof($poller_item)) {
foreach ($poller_item as $item) {
print __('Action[%s]', $item['action']) . ': ' . number_format_i18n($item['total'], -1) . '<br>';
$total += $item['total'];
}
print __('Total: %s', number_format_i18n($total, -1));
} else {
print "<span class='deviceDown'>" . __('No items to poll') . '</span>';
}
print '</td>';
form_end_row();
$processes = db_fetch_cell('SELECT
GROUP_CONCAT(
CONCAT("' . __('Name: ') . '", name, ", ' . __('Procs: ') . '", processes) SEPARATOR "<br>"
) AS poller
FROM poller
WHERE disabled=""');
$threads = db_fetch_cell('SELECT
GROUP_CONCAT(
CONCAT("' . __('Name: ') . '", name, ", ' . __('Threads: ') . '", threads) SEPARATOR "<br>"
) AS poller
FROM poller
WHERE disabled=""');
form_alternate_row();
print '<td>' . __('Concurrent Processes') . '</td>';
print '<td>' . $processes . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Max Threads') . '</td>';
print '<td>' . $threads . '</td>';
form_end_row();
$script_servers = read_config_option('php_servers');
form_alternate_row();
print '<td>' . __('PHP Servers') . '</td>';
print '<td>' . html_escape($script_servers) . '</td>';
form_end_row();
if ($config['poller_id'] == 1) {
$max_connections = db_fetch_row('SHOW GLOBAL VARIABLES LIKE "max_connections"');
$max_local_connections = array();
} elseif ($config['connection'] == 'online') {
$max_connections = db_fetch_row('SHOW GLOBAL VARIABLES LIKE "max_connections"');
$max_local_connections = db_fetch_row('SHOW GLOBAL VARIABLES LIKE "max_connections"', false, $local_db_cnn_id);
} else {
$max_connections = array();
$max_local_connections = db_fetch_row('SHOW GLOBAL VARIABLES LIKE "max_connections"');
}
if (cacti_sizeof($max_connections)) {
$max_connections = $max_connections['Value'];
} else {
$max_connections = 0;
}
if (cacti_sizeof($max_local_connections)) {
$max_local_connections = $max_local_connections['Value'];
} else {
$max_local_connections = 0;
}
$total_dc_threads = db_fetch_cell("SELECT
SUM((processes * threads) + (processes * $script_servers)) AS threads
FROM poller
WHERE disabled = ''");
$recommend_mc = $total_dc_threads + 100;
if ($recommend_mc > $max_connections) {
if ($config['poller_id'] == 1) {
$db_connections = '<span class="deviceDown">' . __('Main Server: Current: %s, Min Required: %s', $max_connections, $recommend_mc) . '</span>';
} elseif ($config['connection'] == 'online') {
$db_connections = '<span class="deviceDown">' . __('Main Server: Current: %s, Min Required: %s', $max_connections, $recommend_mc) . '</span>';
} else {
$db_connections = '';
}
} else {
if ($config['poller_id'] == 1) {
$db_connections = '<span class="deviceUp">' . __('Main Server: Current: %s, Min Required: %s', $max_connections, $recommend_mc) . '</span>';
} elseif ($config['connection'] == 'online') {
$db_connections = '<span class="deviceUp">' . __('Main Server: Current: %s, Min Required: %s', $max_connections, $recommend_mc) . '</span>';
} else {
$db_connections = '';
}
}
if ($config['poller_id'] > 1) {
if ($recommend_mc > $max_local_connections) {
$db_connections .= '<br><span class="deviceDown">' . __('Local Server: Current: %s, Min Required: %s', $max_local_connections, $recommend_mc) . '</span>';
} else {
$db_connections .= '<br><span class="deviceUp">' . __('Local Server: Current: %s, Min Required: %s', $max_local_connections, $recommend_mc) . '</span>';
}
}
form_alternate_row();
print '<td>' . __('Minimum Connections:') . '</td>';
print '<td>' . $db_connections . '<br>' .
__('Assumes 100 spare connections for Web page users and other various connections.') . '<br>' .
__('The minimum required can vary greatly if there is heavy user Graph viewing activity.') . '<br>' .
__('Each browser tab can use upto 10 connections depending on the browser.') . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Script Timeout') . '</td>';
print '<td>' . read_config_option('script_timeout') . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Max OID') . '</td>';
print '<td>' . read_config_option('max_get_size') . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Last Run Statistics') . '</td>';
print '<td>' . read_config_option('stats_poller') . '</td>';
form_end_row();
/* Get System Memory */
$memInfo = utilities_get_system_memory();
//print '<pre>';print_r($memInfo);print '</pre>';
$total_memory = 0;
if (cacti_sizeof($memInfo)) {
html_section_header(__('System Memory'), 2);
foreach ($memInfo as $name => $value) {
if ($config['cacti_server_os'] == 'win32') {
form_alternate_row();
print "<td>$name</td>";
print '<td>' . number_format_i18n($value / 1000, 2) . ' MB</td>';
form_end_row();
} else {
switch($name) {
case 'SwapTotal':
case 'SwapFree':
case 'Cached':
case 'MemTotal':
case 'MemFree':
case 'MemAvailable':
case 'Buffers':
case 'Active':
case 'Inactive':
// Convert to GBi
$value /= (1000 * 1000 * 1000);
form_alternate_row();
print "<td>$name</td>";
print '<td>' . __('%0.2f GB', number_format_i18n($value, 2, 1000)) . '</td>';
form_end_row();
if ($name == 'MemTotal') {
$total_memory = $value;
}
}
}
}
form_end_row();
}
$mysql_info = utilities_get_mysql_info($config['poller_id']);
$database = $mysql_info['database'];
$version = $mysql_info['version'];
$link_ver = $mysql_info['link_ver'];
$variables = $mysql_info['variables'];
$myhost = php_uname('n');
$dbhost = $database_hostname;
if ($dbhost == 'localhost' || $myhost == $dbhost) {
$local_db = true;
} else {
$local_db = false;
}
// Get Maximum Memory in GB for MySQL/MariaDB
if ($config['poller_id'] == 1) {
if (($database == 'MySQL' && version_compare($version, '8.0', '<')) || $database == 'MariaDB') {
$systemMemory = db_fetch_cell('SELECT
(@@GLOBAL.key_buffer_size
+ @@GLOBAL.query_cache_size
+ @@GLOBAL.tmp_table_size
+ @@GLOBAL.innodb_buffer_pool_size
+ @@GLOBAL.innodb_log_buffer_size) / 1024 / 1024 / 1024');
$maxPossibleMyMemory = db_fetch_cell('SELECT (
(@@GLOBAL.key_buffer_size
+ @@GLOBAL.query_cache_size
+ @@GLOBAL.tmp_table_size
+ @@GLOBAL.innodb_buffer_pool_size
+ @@GLOBAL.innodb_log_buffer_size
+ @@GLOBAL.max_connections * (
@@GLOBAL.sort_buffer_size
+ @@GLOBAL.read_buffer_size
+ @@GLOBAL.read_rnd_buffer_size
+ @@GLOBAL.join_buffer_size
+ @@GLOBAL.thread_stack
+ @@GLOBAL.binlog_cache_size)
) / 1024 / 1024 / 1024)');
} else {
$systemMemory = db_fetch_cell('SELECT
(@@GLOBAL.key_buffer_size
+ @@GLOBAL.tmp_table_size
+ @@GLOBAL.innodb_buffer_pool_size
+ @@GLOBAL.innodb_log_buffer_size) / 1024 / 1024 / 1024');
$maxPossibleMyMemory = db_fetch_cell('SELECT (
(@@GLOBAL.key_buffer_size
+ @@GLOBAL.tmp_table_size
+ @@GLOBAL.innodb_buffer_pool_size
+ @@GLOBAL.innodb_log_buffer_size
+ @@GLOBAL.max_connections * (
@@GLOBAL.sort_buffer_size
+ @@GLOBAL.read_buffer_size
+ @@GLOBAL.read_rnd_buffer_size
+ @@GLOBAL.join_buffer_size
+ @@GLOBAL.thread_stack
+ @@GLOBAL.binlog_cache_size)
) / 1024 / 1024 / 1024)');
}
$clientMemory = db_fetch_cell('SELECT @@GLOBAL.max_connections * (
@@GLOBAL.sort_buffer_size
+ @@GLOBAL.read_buffer_size
+ @@GLOBAL.read_rnd_buffer_size
+ @@GLOBAL.join_buffer_size
+ @@GLOBAL.thread_stack
+ @@GLOBAL.binlog_cache_size) / 1024 / 1024 / 1024');
} else {
if (($database == 'MySQL' && version_compare($version, '8.0', '<')) || $database == 'MariaDB') {
$maxPossibleMyMemory = db_fetch_cell('SELECT (
(@@GLOBAL.key_buffer_size
+ @@GLOBAL.query_cache_size
+ @@GLOBAL.tmp_table_size
+ @@GLOBAL.innodb_buffer_pool_size
+ @@GLOBAL.innodb_log_buffer_size
+ @@GLOBAL.max_connections * (
@@GLOBAL.sort_buffer_size
+ @@GLOBAL.read_buffer_size
+ @@GLOBAL.read_rnd_buffer_size
+ @@GLOBAL.join_buffer_size
+ @@GLOBAL.thread_stack
+ @@GLOBAL.binlog_cache_size)
) / 1024 / 1024 / 1024)', '', false, $local_db_cnn_id);
$systemMemory = db_fetch_cell('SELECT
(@@GLOBAL.key_buffer_size
+ @@GLOBAL.query_cache_size
+ @@GLOBAL.tmp_table_size
+ @@GLOBAL.innodb_buffer_pool_size
+ @@GLOBAL.innodb_log_buffer_size) / 1024 / 1024 / 1024', '', false, $local_db_cnn_id);
} else {
$maxPossibleMyMemory = db_fetch_cell('SELECT (
(@@GLOBAL.key_buffer_size
+ @@GLOBAL.tmp_table_size
+ @@GLOBAL.innodb_buffer_pool_size
+ @@GLOBAL.innodb_log_buffer_size
+ @@GLOBAL.max_connections * (
@@GLOBAL.sort_buffer_size
+ @@GLOBAL.read_buffer_size
+ @@GLOBAL.read_rnd_buffer_size
+ @@GLOBAL.join_buffer_size
+ @@GLOBAL.thread_stack
+ @@GLOBAL.binlog_cache_size)
) / 1024 / 1024 / 1024)', '', false, $local_db_cnn_id);
$systemMemory = db_fetch_cell('SELECT
(@@GLOBAL.key_buffer_size
+ @@GLOBAL.tmp_table_size
+ @@GLOBAL.innodb_buffer_pool_size
+ @@GLOBAL.innodb_log_buffer_size) / 1024 / 1024 / 1024', '', false, $local_db_cnn_id);
}
$clientMemory = db_fetch_cell('SELECT @@GLOBAL.max_connections * (
@@GLOBAL.sort_buffer_size
+ @@GLOBAL.read_buffer_size
+ @@GLOBAL.read_rnd_buffer_size
+ @@GLOBAL.join_buffer_size
+ @@GLOBAL.thread_stack
+ @@GLOBAL.binlog_cache_size) / 1024 / 1024 / 1024', '', false, $local_db_cnn_id);
}
html_section_header(__('MySQL/MariaDB Memory Statistics (Source: MySQL Tuner)'), 2);
if ($total_memory > 0 && $local_db) {
if ($maxPossibleMyMemory > ($total_memory * 0.8)) {
form_alternate_row();
print '<td>' . __('Max Total Memory Possible') . '</td>';
print '<td class="deviceDown">' . __('%0.2f GB', number_format_i18n($maxPossibleMyMemory, 2, 1000)) . '</td>';
form_end_row();
form_alternate_row();
print '<td></td>';
print '<td>' . __('Reduce MySQL/MariaDB Memory to less than 80% of System Memory. Preserve additional Cache Memory for RRDfiles if the Database is on the same system as the RRDfiles. See Core and Client Totals below for explanation of calculation method.') . '</td>';
form_end_row();
} else {
form_alternate_row();
print '<td>' . __('Max Total Memory Possible') . '</td>';
print '<td class="deviceUp">' . __('%0.2f GB', number_format_i18n($maxPossibleMyMemory, 2, 1000)) . '</td>';
form_end_row();
}
} else {
form_alternate_row();
print '<td>' . __('Max Total Memory Possible') . '</td>';
print '<td>' . __('%0.2f GB', number_format_i18n($maxPossibleMyMemory, 2, 1000)) . '</td>';
form_end_row();
}
if ($total_memory > 0 && $local_db) {
if ($systemMemory > ($total_memory * 0.8)) {
form_alternate_row();
print '<td>' . __('Max Core Memory Possible') . '</td>';
print '<td class="deviceDown">' . __('%0.2f GB', number_format_i18n($systemMemory, 2, 1000)) . '&nbsp;&nbsp;(' . __('Reduce Total Core Memory') . '</td>';
form_end_row();
} else {
form_alternate_row();
print '<td>' . __('Max Core Memory Possible') . '</td>';
print '<td class="deviceUp">' . __('%0.2f GB', number_format_i18n($systemMemory, 2, 1000)) . '</td>';
form_end_row();
}
form_alternate_row();
print '<td>' . __('Calculation Formula') . '</td>';
print '<td>SELECT @@GLOBAL.key_buffer_size + <br>@@GLOBAL.query_cache_size + <br>@@GLOBAL.tmp_table_size + <br>@@GLOBAL.innodb_buffer_pool_size + <br>@@GLOBAL.innodb_log_buffer_size</td>';
form_end_row();
if ($clientMemory > ($total_memory * 0.8)) {
form_alternate_row();
print '<td>' . __('Max Connection Memory Possible') . '</td>';
print '<td class="deviceDown">' . __('%0.2f GB', number_format_i18n($clientMemory, 2, 1000)) . '&nbsp;&nbsp;(' . __('Reduce Total Client Memory') . ')</td>';
form_end_row();
} else {
form_alternate_row();
print '<td>' . __('Max Connection Memory Possible') . '</td>';
print '<td class="deviceUp">' . __('%0.2f GB', number_format_i18n($clientMemory, 2, 1000)) . '</td>';
form_end_row();
}
form_alternate_row();
print '<td>' . __('Calculation Formula') . '</td>';
print '<td>SELECT @@GLOBAL.max_connections * (<br>@@GLOBAL.sort_buffer_size + <br>@@GLOBAL.read_buffer_size + <br>@@GLOBAL.read_rnd_buffer_size + <br>@@GLOBAL.join_buffer_size + <br>@@GLOBAL.thread_stack + <br>@@GLOBAL.binlog_cache_size)</td>';
form_end_row();
} else {
form_alternate_row();
print '<td>' . __('Max Core Memory Possible') . '</td>';
print '<td>' . __('%0.2f GB', number_format_i18n($systemMemory, 2, 1000)) . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Calculation Formula') . '</td>';
print '<td>SELECT @@GLOBAL.key_buffer_size + <br>@@GLOBAL.query_cache_size + <br>@@GLOBAL.tmp_table_size + <br>@@GLOBAL.innodb_buffer_pool_size + <br>@@GLOBAL.innodb_log_buffer_size</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Max Connection Memory Possible') . '</td>';
print '<td>' . __('%0.2f GB', number_format_i18n($clientMemory, 2, 1000)) . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('Calculation Formula') . '</td>';
print '<td>SELECT @@GLOBAL.max_connections * (<br>@@GLOBAL.sort_buffer_size + <br>@@GLOBAL.read_buffer_size + <br>@@GLOBAL.read_rnd_buffer_size + <br>@@GLOBAL.join_buffer_size + <br>@@GLOBAL.thread_stack + <br>@@GLOBAL.binlog_cache_size)</td>';
form_end_row();
}
html_section_header(__('PHP Information'), 2);
form_alternate_row();
print '<td>' . __('PHP Version') . '</td>';
if (version_compare(PHP_VERSION, '5.5.0') >= 0) {
print '<td>' . PHP_VERSION . '</td>';
} else {
print '<td>' . PHP_VERSION . "</br><span class='deviceDown'>" . __('PHP Version 5.5.0+ is recommended due to strong password hashing support.') . '</span></td>';
}
form_end_row();
form_alternate_row();
print '<td>' . __('PHP OS') . '</td>';
print '<td>' . PHP_OS . '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('PHP uname') . '</td>';
print '<td>';
if (function_exists('php_uname')) {
print php_uname();
} else {
print __('N/A');
}
print '</td>';
form_end_row();
form_alternate_row();
print '<td>' . __('PHP SNMP') . '</td>';
print '<td>';
if (function_exists('snmpget')) {
print __('Installed. <span class="deviceDown">Note: If you are planning on using SNMPv3, you must remove php-snmp and use the Net-SNMP toolset.</span>');
} else {
print __('Not Installed');
}
print '</td>';
form_end_row();
form_alternate_row();
print '<td>max_execution_time</td>';
print '<td>' . ini_get('max_execution_time') . '</td>';
form_end_row();
form_alternate_row();
print '<td>memory_limit</td>';
print '<td>' . ini_get('memory_limit');
/* Calculate memory suggestion based off of data source count */
$memory_suggestion = $data_total * 32768;
/* Set minimum - 16M */
if ($memory_suggestion < 16777216) {
$memory_suggestion = 16777216;
}
/* Set maximum - 512M */
if ($memory_suggestion > 536870912) {
$memory_suggestion = 536870912;
}
/* Suggest values in 8M increments */
$memory_suggestion = round($memory_suggestion / 8388608) * 8388608;
if (memory_bytes(ini_get('memory_limit')) < $memory_suggestion) {
print "<br><span class='deviceDown'>";
if ((ini_get('memory_limit') == -1)) {
print __("You've set memory limit to 'unlimited'.") . '<br>';
}
print __('It is highly suggested that you alter you php.ini memory_limit to %s or higher.', memory_readable($memory_suggestion)) . ' <br/>' .
__('This suggested memory value is calculated based on the number of data source present and is only to be used as a suggestion, actual values may vary system to system based on requirements.');
print '</span><br>';
}
print '</td>';
form_end_row();
utilities_get_mysql_recommendations();
} elseif (get_request_var('tab') == 'dbstatus') {
$status = db_fetch_assoc('show global status');
print "<table id='tables' class='cactiTable' style='width:100%'>";
print '<thead>';
print "<tr class='tableHeader'>";
print " <th class='tableSubHeaderColumn'>" . __('Variable Name') . '</th>';
print " <th class='tableSubHeaderColumn'>" . __('Value') . '</th>';
print '</tr>';
print '</thead>';
foreach ($status as $s) {
form_alternate_row();
print '<td>' . html_escape($s['Variable_name']) . '</td>';
print '<td>' . (is_numeric($s['Value']) ? number_format_i18n($s['Value'], -1):html_escape($s['Value'])) . '</td>';
form_end_row();
}
} elseif (get_request_var('tab') == 'dbperms') {
$status = db_get_permissions(true);
print "<table id='tables' class='cactiTable' style='width:100%'>";
print '<thead>';
print "<tr class='tableHeader'>";
print " <th class='tableSubHeaderColumn'>" . __('Permission Name') . '</th>';
print " <th class='tableSubHeaderColumn'>" . __('Value') . '</th>';
print " <th class='tableSubHeaderColumn'>" . __('Permission Name') . '</th>';
print " <th class='tableSubHeaderColumn'>" . __('Value') . '</th>';
print '</tr>';
print '</thead>';
$r = 0;
foreach ($status as $k => $v) {
if (($r % 2) == 0) {
form_alternate_row();
}
print '<td>' . $k . '</td>';
print '<td>' . ($v ? __('Yes') : __('No')) . '</td>';
if (($r % 2) == 1) {
form_end_row();
}
$r++;
}
if (($r % 2) == 1) {
print '<td>&nbsp;</td>';
print '<td>&nbsp;</td>';
form_end_row();
}
} elseif (get_request_var('tab') == 'dbsettings') {
$status = db_fetch_assoc('show global variables');
print "<table id='tables' class='cactiTable' style='width:100%'>";
print '<thead>';
print "<tr class='tableHeader'>";
print " <th class='tableSubHeaderColumn'>" . __('Variable Name') . '</th>';
print " <th class='tableSubHeaderColumn'>" . __('Value') . '</th>';
print '</tr>';
print '</thead>';
foreach ($status as $s) {
form_alternate_row();
print '<td>' . html_escape($s['Variable_name']) . '</td>';
if (strlen($s['Value']) > 70) {
$s['Value'] = str_replace(',', ', ', $s['Value']);
}
print '<td>' . (is_numeric($s['Value']) ? number_format_i18n($s['Value'], -1):html_escape($s['Value'])) . '</td>';
form_end_row();
}
} elseif (get_request_var('tab') == 'changelog') {
$changelog = file(CACTI_PATH_BASE . '/CHANGELOG');
foreach ($changelog as $s) {
if (strlen(trim($s)) && stripos($s, 'CHANGELOG') === false) {
if (strpos($s, '-') === false) {
html_section_header(__('Version %s', $s), 2);
} else {
form_alternate_row();
print '<td>' . $s . '</td>';
form_end_row();
}
}
}
} elseif (get_request_var('tab') == 'database') {
/* Get table status */
if ($config['poller_id'] == 1) {
$tables = db_fetch_assoc('SELECT *
FROM information_schema.tables
WHERE table_schema = SCHEMA()');
} else {
$tables = db_fetch_assoc('SELECT *
FROM information_schema.tables
WHERE table_schema = SCHEMA()', false, $local_db_cnn_id);
}
html_section_header(__('MySQL Table Information - Sizes in KBytes'), 2);
form_alternate_row();
print " <td colspan='2' style='text-align:left;padding:0px'>";
if (cacti_sizeof($tables)) {
print "<table id='tables' class='cactiTable' style='width:100%'>";
print '<thead>';
print "<tr class='tableHeader'>";
print " <th class='tableSubHeaderColumn'>" . __('Name') . '</th>';
print " <th class='tableSubHeaderColumn'>" . __('Engine') . '</th>';
print " <th class='tableSubHeaderColumn right'>" . __('Rows') . '</th>';
print " <th class='tableSubHeaderColumn right'>" . __('Avg Row Length') . '</th>';
print " <th class='tableSubHeaderColumn right'>" . __('Data Length') . '</th>';
print " <th class='tableSubHeaderColumn right'>" . __('Index Length') . '</th>';
print " <th class='tableSubHeaderColumn'>" . __('Collation') . '</th>';
print " <th class='tableSubHeaderColumn'>" . __('Row Format') . '</th>';
print " <th class='tableSubHeaderColumn'>" . __('Comment') . '</th>';
print '</tr>';
print '</thead>';
foreach ($tables as $table) {
form_alternate_row();
print '<td>' . $table['TABLE_NAME'] . '</td>';
print '<td>' . $table['ENGINE'] . '</td>';
print '<td class="right">' . number_format_i18n($table['TABLE_ROWS'], -1) . '</td>';
print '<td class="right">' . number_format_i18n($table['AVG_ROW_LENGTH'], -1) . '</td>';
print '<td class="right">' . number_format_i18n($table['DATA_LENGTH'], -1) . '</td>';
print '<td class="right">' . number_format_i18n($table['INDEX_LENGTH'], -1) . '</td>';
print '<td>' . $table['TABLE_COLLATION'] . '</td>';
print '<td>' . $table['ROW_FORMAT'] . '</td>';
print '<td>' . $table['TABLE_COMMENT'] . '</td>';
form_end_row();
}
print '</table>';
} else {
print __('Unable to retrieve table status');
}
print '</td>';
form_end_row();
} elseif (get_request_var('tab') == 'poller') {
if (db_column_exists('sites', 'disabled')) {
$sql_where = 'AND IFNULL(s.disabled, "") != "on"';
} else {
$sql_where = '';
}
$problematic = db_fetch_assoc("SELECT h.id, h.description, h.polling_time, h.avg_time
FROM host h
LEFT JOIN sites s
ON s.id = h.site_id
WHERE IFNULL(h.disabled, '') != 'on'
$sql_where
ORDER BY polling_time DESC
LIMIT 20");
html_section_header(__('Worst 20 polling time hosts'), 2);
form_alternate_row();
print "<td colspan='2' style='text-align:left;padding:0px'>";
if (cacti_sizeof($problematic)) {
print "<table id='tables' class='cactiTable' style='width:100%'>";
print '<thead>';
print "<tr class='tableHeader'>";
print " <th class='tableSubHeaderColumn'>" . __('Description') . '</th>';
print " <th class='tableSubHeaderColumn right'>" . __('ID') . '</th>';
print " <th class='tableSubHeaderColumn right'>" . __('Avg Polling Time') . '</th>';
print " <th class='tableSubHeaderColumn right'>" . __('Actual polling time') . '</th>';
print '</tr>';
print '</thead>';
foreach ($problematic as $host) {
form_alternate_row();
print '<td>' . html_escape($host['description']) . '</td>';
print '<td class="right">' . $host['id'] . '</td>';
print '<td class="right">' . number_format_i18n($host['avg_time'],3) . '</td>';
print '<td class="right">' . number_format_i18n($host['polling_time'],3) . '</td>';
form_end_row();
}
print '</table>';
} else {
print __('No host found');
}
print '</td>';
form_end_row();
$problematic = db_fetch_assoc('SELECT h.id, h.description, h.failed_polls/h.total_polls AS ratio
FROM host h
LEFT JOIN sites s
ON h.site_id = s.id
WHERE IFNULL(h.disabled,"") != "on"
AND IFNULL(s.disabled,"") != "on"
ORDER BY ratio DESC
LIMIT 20');
html_section_header(__('Worst 20 failed/total polls ratio'), 2);
form_alternate_row();
print "<td colspan='2' style='text-align:left;padding:0px'>";
if (cacti_sizeof($problematic)) {
print "<table id='tables' class='cactiTable' style='width:100%'>";
print '<thead>';
print "<tr class='tableHeader'>";
print " <th class='tableSubHeaderColumn'>" . __('Description') . '</th>';
print " <th class='tableSubHeaderColumn right'>" . __('ID') . '</th>';
print " <th class='tableSubHeaderColumn right'>" . __('Failed/Total polls') . '</th>';
print '</tr>';
print '</thead>';
foreach ($problematic as $host) {
form_alternate_row();
print '<td>' . $host['description'] . '</td>';
print '<td class="right">' . $host['id'] . '</td>';
print '<td class="right">' . number_format_i18n($host['ratio'],3) . '</td>';
form_end_row();
}
print '</table>';
} else {
print __('No host found');
}
print '</td>';
form_end_row();
} else {
$php_info = utilities_php_modules();
html_section_header(__('PHP Module Information'), 2);
$php_info = str_replace(
array('width="600"', 'th colspan="2"', ','),
array('', 'th class="subHeaderColumn"', ', '),
$php_info
);
print "<tr><td colspan='2'>" . $php_info . '</td></tr>';
}
html_end_box();
?>
<script type='text/javascript'>
$(function() {
$('#tables').tablesorter({
widgets: ['zebra'],
widgetZebra: { css: ['even', 'odd'] },
headerTemplate: '<div class="textSubHeaderDark">{content} {icon}</div>',
cssIconAsc: 'fa-sort-up',
cssIconDesc: 'fa-sort-down',
cssIconNone: 'fa-sort',
cssIcon: 'fa'
});
});
</script>
<?php
bottom_footer();
}
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