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<?php declare(strict_types = 0);
/*
** Zabbix
** Copyright (C) 2001-2023 Zabbix SIA
**
** 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.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
/**
* Class collecting various system information aspects.
*/
class CSystemInfoHelper {
/**
* Prepare data used to compile as System information.
*
* @return array
*
* @throws APIException
*/
public static function getData(): array {
global $ZBX_SERVER, $ZBX_SERVER_PORT;
$data = [
'status' => static::getServerStatus($ZBX_SERVER, $ZBX_SERVER_PORT),
'server_details' => '',
'failover_delay' => 0
];
$db_backend = DB::getDbBackend();
$data['encoding_warning'] = $db_backend->checkEncoding() ? '' : $db_backend->getWarning();
$dbversion_status = CSettingsHelper::getDbVersionStatus();
foreach ($dbversion_status as $dbversion) {
if (array_key_exists('history_pk', $dbversion)) {
$data['history_pk'] = ($dbversion['history_pk'] == 1);
break;
}
}
$housekeeper_warnings = CHousekeepingHelper::getWarnings($dbversion_status);
if (array_key_exists(CHousekeepingHelper::OVERRIDE_NEEDED_HISTORY, $housekeeper_warnings)
&& CHousekeepingHelper::get(CHousekeepingHelper::HK_HISTORY_MODE) == 1
&& CHousekeepingHelper::get(CHousekeepingHelper::HK_HISTORY_GLOBAL) == 0) {
$data[CHousekeepingHelper::OVERRIDE_NEEDED_HISTORY] = true;
}
if (array_key_exists(CHousekeepingHelper::OVERRIDE_NEEDED_TRENDS, $housekeeper_warnings)
&& CHousekeepingHelper::get(CHousekeepingHelper::HK_TRENDS_MODE) == 1
&& CHousekeepingHelper::get(CHousekeepingHelper::HK_TRENDS_GLOBAL) == 0) {
$data[CHousekeepingHelper::OVERRIDE_NEEDED_TRENDS] = true;
}
$ha_cluster_enabled = false;
$ha_nodes = API::getApiService('hanode')->get([
'output' => ['name', 'address', 'port', 'lastaccess', 'status'],
'sortfield' => 'status',
'sortorder' => 'DESC'
], false);
foreach ($ha_nodes as $node) {
if ($node['name'] === '' && $node['status'] == ZBX_NODE_STATUS_ACTIVE) {
$ha_cluster_enabled = false;
$ha_nodes = [];
break;
}
elseif ($node['status'] == ZBX_NODE_STATUS_STANDBY || $node['status'] == ZBX_NODE_STATUS_ACTIVE) {
$ha_cluster_enabled = true;
}
}
$data['ha_cluster_enabled'] = $ha_cluster_enabled;
$data['ha_nodes'] = $ha_nodes;
if ($ha_cluster_enabled) {
$failover_delay = CSettingsHelper::getGlobal(CSettingsHelper::HA_FAILOVER_DELAY);
$failover_delay_seconds = timeUnitToSeconds($failover_delay);
$data['failover_delay'] = secondsToPeriod($failover_delay_seconds);
}
if (CWebUser::getType() != USER_TYPE_SUPER_ADMIN) {
return $data;
}
if ($ZBX_SERVER !== null && $ZBX_SERVER_PORT !== null) {
$data['server_details'] = $ZBX_SERVER.':'.$ZBX_SERVER_PORT;
}
elseif (count($ha_nodes) == 1) {
$data['server_details'] = $ha_nodes[0]['address'].':'.$ha_nodes[0]['port'];
}
$setup = new CFrontendSetup();
$requirements = $setup->checkRequirements();
$requirements[] = $setup->checkSslFiles();
$data['requirements'] = $requirements;
$data['dbversion_status'] = $dbversion_status;
return $data;
}
/**
* Get a summary of running server stats.
*
* @param string|null $ZBX_SERVER
* @param int|null $ZBX_SERVER_PORT
*
* @return array
*/
private static function getServerStatus(?string $ZBX_SERVER, ?int $ZBX_SERVER_PORT): array {
$status = [
'is_running' => false,
'has_status' => false
];
if ($ZBX_SERVER === null && $ZBX_SERVER_PORT === null) {
return $status;
}
$server = new CZabbixServer($ZBX_SERVER, $ZBX_SERVER_PORT,
timeUnitToSeconds(CSettingsHelper::get(CSettingsHelper::CONNECT_TIMEOUT)),
timeUnitToSeconds(CSettingsHelper::get(CSettingsHelper::SOCKET_TIMEOUT)), ZBX_SOCKET_BYTES_LIMIT
);
$status['is_running'] = $server->isRunning(CSessionHelper::getId());
if ($status['is_running'] === false) {
return $status;
}
$server = new CZabbixServer($ZBX_SERVER, $ZBX_SERVER_PORT,
timeUnitToSeconds(CSettingsHelper::get(CSettingsHelper::CONNECT_TIMEOUT)), 15, ZBX_SOCKET_BYTES_LIMIT
);
$server_status = $server->getStatus(CSessionHelper::getId());
$status['has_status'] = (bool) $server_status;
if ($server_status === false) {
error($server->getError());
return $status;
}
$status += [
'triggers_count_disabled' => 0,
'triggers_count_off' => 0,
'triggers_count_on' => 0,
'items_count_monitored' => 0,
'items_count_disabled' => 0,
'items_count_not_supported' => 0,
'hosts_count_monitored' => 0,
'hosts_count_not_monitored' => 0,
'hosts_count_template' => 0,
'users_count' => 0,
'users_online' => 0
];
// hosts
foreach ($server_status['template stats'] as $stats) {
$status['hosts_count_template'] += $stats['count'];
}
foreach ($server_status['host stats'] as $stats) {
if ($stats['attributes']['proxyid'] == 0) {
switch ($stats['attributes']['status']) {
case HOST_STATUS_MONITORED:
$status['hosts_count_monitored'] += $stats['count'];
break;
case HOST_STATUS_NOT_MONITORED:
$status['hosts_count_not_monitored'] += $stats['count'];
break;
}
}
}
$status['hosts_count'] = $status['hosts_count_monitored'] + $status['hosts_count_not_monitored'];
// items
foreach ($server_status['item stats'] as $stats) {
if ($stats['attributes']['proxyid'] == 0) {
switch ($stats['attributes']['status']) {
case ITEM_STATUS_ACTIVE:
if (array_key_exists('state', $stats['attributes'])) {
switch ($stats['attributes']['state']) {
case ITEM_STATE_NORMAL:
$status['items_count_monitored'] += $stats['count'];
break;
case ITEM_STATE_NOTSUPPORTED:
$status['items_count_not_supported'] += $stats['count'];
break;
}
}
break;
case ITEM_STATUS_DISABLED:
$status['items_count_disabled'] += $stats['count'];
break;
}
}
}
$status['items_count'] = $status['items_count_monitored'] + $status['items_count_disabled']
+ $status['items_count_not_supported'];
// triggers
foreach ($server_status['trigger stats'] as $stats) {
switch ($stats['attributes']['status']) {
case TRIGGER_STATUS_ENABLED:
if (array_key_exists('value', $stats['attributes'])) {
switch ($stats['attributes']['value']) {
case TRIGGER_VALUE_FALSE:
$status['triggers_count_off'] += $stats['count'];
break;
case TRIGGER_VALUE_TRUE:
$status['triggers_count_on'] += $stats['count'];
break;
}
}
break;
case TRIGGER_STATUS_DISABLED:
$status['triggers_count_disabled'] += $stats['count'];
break;
}
}
$status['triggers_count_enabled'] = $status['triggers_count_off'] + $status['triggers_count_on'];
$status['triggers_count'] = $status['triggers_count_enabled'] + $status['triggers_count_disabled'];
// users
foreach ($server_status['user stats'] as $stats) {
switch ($stats['attributes']['status']) {
case ZBX_SESSION_ACTIVE:
$status['users_online'] += $stats['count'];
break;
case ZBX_SESSION_PASSIVE:
$status['users_count'] += $stats['count'];
break;
}
}
$status['users_count'] += $status['users_online'];
// performance
if (array_key_exists('required performance', $server_status)) {
$status['vps_total'] = 0;
foreach ($server_status['required performance'] as $stats) {
if ($stats['attributes']['proxyid'] == 0) {
$status['vps_total'] += $stats['count'];
}
}
}
$status['server_version'] = $server_status['server stats']['version'];
return $status;
}
}