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349 lines
12 KiB
349 lines
12 KiB
1 year ago
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<?php declare(strict_types = 0);
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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/**
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* Base controller for the "Monitoring->Hosts" page and the "Monitoring->Hosts" asynchronous refresh page.
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*/
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abstract class CControllerHost extends CController {
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// Filter idx prefix.
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const FILTER_IDX = 'web.monitoring.hosts';
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// Filter fields default values.
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const FILTER_FIELDS_DEFAULT = [
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'name' => '',
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'groupids' => [],
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'ip' => '',
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'dns' => '',
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'port' => '',
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'status' => -1,
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'evaltype' => TAG_EVAL_TYPE_AND_OR,
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'tags' => [],
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'severities' => [],
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'show_suppressed' => ZBX_PROBLEM_SUPPRESSED_FALSE,
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'maintenance_status' => HOST_MAINTENANCE_STATUS_ON,
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'page' => null,
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'sort' => 'name',
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'sortorder' => ZBX_SORT_UP
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];
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/**
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* Get host list results count for passed filter.
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*
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* @param array $filter Filter options.
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* @param string $filter['name'] Filter hosts by name.
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* @param array $filter['groupids'] Filter hosts by host groups.
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* @param string $filter['ip'] Filter hosts by IP.
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* @param string $filter['dns'] Filter hosts by DNS.
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* @param string $filter['port'] Filter hosts by port.
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* @param string $filter['status'] Filter hosts by status.
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* @param string $filter['evaltype'] Filter hosts by tags.
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* @param string $filter['tags'] Filter hosts by tag names and values.
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* @param string $filter['severities'] Filter problems on hosts by severities.
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* @param string $filter['show_suppressed'] Filter suppressed problems.
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* @param int $filter['maintenance_status'] Filter hosts by maintenance.
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*
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* @return int
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*/
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protected function getCount(array $filter): int {
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$groupids = $filter['groupids'] ? getSubGroups($filter['groupids']) : null;
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return (int) API::Host()->get([
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'countOutput' => true,
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'evaltype' => $filter['evaltype'],
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'tags' => $filter['tags'],
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'inheritedTags' => true,
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'groupids' => $groupids,
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'severities' => $filter['severities'] ? $filter['severities'] : null,
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'withProblemsSuppressed' => $filter['severities']
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? (($filter['show_suppressed'] == ZBX_PROBLEM_SUPPRESSED_TRUE) ? null : false)
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: null,
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'search' => [
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'name' => ($filter['name'] === '') ? null : $filter['name'],
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'ip' => ($filter['ip'] === '') ? null : $filter['ip'],
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'dns' => ($filter['dns'] === '') ? null : $filter['dns']
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],
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'filter' => [
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'status' => ($filter['status'] == -1) ? null : $filter['status'],
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'port' => ($filter['port'] === '') ? null : $filter['port'],
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'maintenance_status' => ($filter['maintenance_status'] == HOST_MAINTENANCE_STATUS_ON)
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? null
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: HOST_MAINTENANCE_STATUS_OFF
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],
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'limit' => CSettingsHelper::get(CSettingsHelper::SEARCH_LIMIT) + 1
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]);
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}
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/**
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* Prepares the host list based on the given filter and sorting options.
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*
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* @param array $filter Filter options.
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* @param string $filter['name'] Filter hosts by name.
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* @param array $filter['groupids'] Filter hosts by host groups.
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* @param string $filter['ip'] Filter hosts by IP.
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* @param string $filter['dns'] Filter hosts by DNS.
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* @param string $filter['port'] Filter hosts by port.
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* @param string $filter['status'] Filter hosts by status.
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* @param string $filter['evaltype'] Filter hosts by tags.
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* @param string $filter['tags'] Filter hosts by tag names and values.
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* @param string $filter['severities'] Filter problems on hosts by severities.
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* @param string $filter['show_suppressed'] Filter suppressed problems.
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* @param int $filter['maintenance_status'] Filter hosts by maintenance.
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* @param int $filter['page'] Page number.
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* @param string $filter['sort'] Sorting field.
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* @param string $filter['sortorder'] Sorting order.
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*
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* @return array
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*/
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protected function getData(array $filter): array {
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$limit = CSettingsHelper::get(CSettingsHelper::SEARCH_LIMIT) + 1;
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$groupids = $filter['groupids'] ? getSubGroups($filter['groupids']) : null;
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$hosts = API::Host()->get([
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'output' => ['hostid', 'name', 'status'],
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'evaltype' => $filter['evaltype'],
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'tags' => $filter['tags'],
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'inheritedTags' => true,
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'groupids' => $groupids,
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'severities' => $filter['severities'] ? $filter['severities'] : null,
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'withProblemsSuppressed' => $filter['severities']
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? (($filter['show_suppressed'] == ZBX_PROBLEM_SUPPRESSED_TRUE) ? null : false)
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: null,
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'search' => [
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'name' => ($filter['name'] === '') ? null : $filter['name'],
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'ip' => ($filter['ip'] === '') ? null : $filter['ip'],
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'dns' => ($filter['dns'] === '') ? null : $filter['dns']
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],
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'filter' => [
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'status' => ($filter['status'] == -1) ? null : $filter['status'],
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'port' => ($filter['port'] === '') ? null : $filter['port'],
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'maintenance_status' => ($filter['maintenance_status'] == HOST_MAINTENANCE_STATUS_ON)
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? null
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: HOST_MAINTENANCE_STATUS_OFF
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],
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'sortfield' => 'name',
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'limit' => $limit,
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'preservekeys' => true
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]);
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// Sort for paging so we know which IDs go to which page.
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CArrayHelper::sort($hosts, [['field' => $filter['sort'], 'order' => $filter['sortorder']]]);
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$view_curl = (new CUrl())->setArgument('action', 'host.view');
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$paging_arguments = array_filter(array_intersect_key($filter, self::FILTER_FIELDS_DEFAULT));
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array_map([$view_curl, 'setArgument'], array_keys($paging_arguments), $paging_arguments);
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// Split result array and create paging.
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$paging = CPagerHelper::paginate($filter['page'], $hosts, $filter['sortorder'], $view_curl);
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// Get additional data to limited host amount.
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$hosts = API::Host()->get([
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'output' => ['hostid', 'name', 'status', 'maintenance_status', 'maintenanceid', 'maintenance_type',
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'active_available'
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],
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'selectInterfaces' => ['ip', 'dns', 'port', 'main', 'type', 'useip', 'available', 'error', 'details'],
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'selectGraphs' => API_OUTPUT_COUNT,
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'selectHttpTests' => API_OUTPUT_COUNT,
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'selectTags' => ['tag', 'value'],
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'selectInheritedTags' => ['tag', 'value'],
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'hostids' => array_keys($hosts),
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'preservekeys' => true
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]);
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// Re-sort the results again.
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CArrayHelper::sort($hosts, [['field' => $filter['sort'], 'order' => $filter['sortorder']]]);
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// Get count for every host with item type ITEM_TYPE_ZABBIX_ACTIVE (7).
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$db_items_active_count = API::Item()->get([
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'groupCount' => true,
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'countOutput' => true,
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'filter' => ['type' => ITEM_TYPE_ZABBIX_ACTIVE],
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'hostids' => array_column($hosts, 'hostid')
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]);
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$item_active_by_hostid = [];
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foreach ($db_items_active_count as $value) {
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$item_active_by_hostid[$value['hostid']] = $value['rowscount'];
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}
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$maintenanceids = [];
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// Select triggers and problems to calculate number of problems for each host.
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$triggers = API::Trigger()->get([
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'output' => [],
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'selectHosts' => ['hostid'],
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'hostids' => array_keys($hosts),
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'skipDependent' => true,
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'monitored' => true,
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'preservekeys' => true
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]);
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$problems = API::Problem()->get([
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'output' => ['eventid', 'objectid', 'severity'],
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'source' => EVENT_SOURCE_TRIGGERS,
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'object' => EVENT_OBJECT_TRIGGER,
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'objectids' => array_keys($triggers),
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'suppressed' => ($filter['show_suppressed'] == ZBX_PROBLEM_SUPPRESSED_TRUE) ? null : false,
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'symptom' => false
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]);
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$items = API::Item()->get([
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'countOutput' => true,
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'groupCount' => true,
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'hostids' => array_keys($hosts),
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'webitems' =>true,
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'monitored' => true
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]);
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$items_count = array_combine(array_column($items, 'hostid'), array_column($items, 'rowscount'));
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// Group all problems per host per severity.
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$host_problems = [];
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foreach ($problems as $problem) {
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foreach ($triggers[$problem['objectid']]['hosts'] as $trigger_host) {
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$host_problems[$trigger_host['hostid']][$problem['severity']][$problem['eventid']] = true;
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}
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}
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foreach ($hosts as &$host) {
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// Add active checks interface if host have items with type ITEM_TYPE_ZABBIX_ACTIVE (7).
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if (array_key_exists($host['hostid'], $item_active_by_hostid)
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&& $item_active_by_hostid[$host['hostid']] > 0) {
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$host['interfaces'][] = [
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'type' => INTERFACE_TYPE_AGENT_ACTIVE,
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'available' => $host['active_available'],
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'error' => ''
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];
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}
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unset($host['active_available']);
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$host['items_count'] = array_key_exists($host['hostid'], $items_count) ? $items_count[$host['hostid']] : 0;
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// Count number of dashboards for each host.
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$host['dashboards'] = count(getHostDashboards($host['hostid']));
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CArrayHelper::sort($host['interfaces'], [['field' => 'main', 'order' => ZBX_SORT_DOWN]]);
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if ($host['status'] == HOST_STATUS_MONITORED && $host['maintenance_status'] == HOST_MAINTENANCE_STATUS_ON) {
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$maintenanceids[$host['maintenanceid']] = true;
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}
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// Fill empty arrays for hosts without problems.
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if (!array_key_exists($host['hostid'], $host_problems)) {
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$host_problems[$host['hostid']] = [];
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}
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// Count the number of problems (as value) per severity (as key).
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for ($severity = TRIGGER_SEVERITY_COUNT - 1; $severity >= TRIGGER_SEVERITY_NOT_CLASSIFIED; $severity--) {
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$host['problem_count'][$severity] = array_key_exists($severity, $host_problems[$host['hostid']])
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? count($host_problems[$host['hostid']][$severity])
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: 0;
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}
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// Merge host tags with template tags, and skip duplicate tags and values.
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if (!$host['inheritedTags']) {
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$tags = $host['tags'];
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}
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elseif (!$host['tags']) {
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$tags = $host['inheritedTags'];
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}
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else {
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$tags = $host['tags'];
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foreach ($host['inheritedTags'] as $template_tag) {
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foreach ($tags as $host_tag) {
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// Skip tags with same name and value.
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if ($host_tag['tag'] === $template_tag['tag']
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&& $host_tag['value'] === $template_tag['value']) {
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continue 2;
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}
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}
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$tags[] = $template_tag;
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}
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}
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$host['tags'] = $tags;
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}
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unset($host);
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$maintenances = [];
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if ($maintenanceids) {
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$maintenances = API::Maintenance()->get([
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'output' => ['name', 'description'],
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'maintenanceids' => array_keys($maintenanceids),
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'preservekeys' => true
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]);
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}
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$tags = makeTags($hosts, true, 'hostid', ZBX_TAG_COUNT_DEFAULT, $filter['tags']);
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foreach ($hosts as &$host) {
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$host['tags'] = $tags[$host['hostid']];
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}
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unset($host);
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return [
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'paging' => $paging,
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'hosts' => $hosts,
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'maintenances' => $maintenances
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];
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}
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/**
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* Get additional data for filters. Selected groups for multiselect, etc.
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*
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* @param array $filter Filter fields values array.
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*
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* @return array
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*/
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protected function getAdditionalData($filter): array {
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$data = [];
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if ($filter['groupids']) {
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$groups = API::HostGroup()->get([
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'output' => ['groupid', 'name'],
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'groupids' => $filter['groupids']
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]);
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$data['groups_multiselect'] = CArrayHelper::renameObjectsKeys(array_values($groups), ['groupid' => 'id']);
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}
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return $data;
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}
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/**
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* Clean and convert passed filter input fields from default values required for HTML presentation.
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*
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||
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* @param array $input Filter fields values.
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||
|
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*
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* @return array
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*/
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protected function cleanInput(array $input): array {
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if (array_key_exists('tags', $input) && $input['tags']) {
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$input['tags'] = array_filter($input['tags'], function($tag) {
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return !($tag['tag'] === '' && $tag['value'] === '');
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});
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$input['tags'] = array_values($input['tags']);
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}
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return $input;
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||
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|
}
|
||
|
|
}
|