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281 lines
8.9 KiB
281 lines
8.9 KiB
<?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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namespace Widgets\ProblemHosts\Actions;
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use API,
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CArrayHelper,
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CControllerDashboardWidgetView,
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CControllerResponseData,
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CRoleHelper;
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class WidgetView extends CControllerDashboardWidgetView {
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protected function init(): void {
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parent::init();
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$this->addValidationRules([
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'dynamic_hostid' => 'db hosts.hostid'
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]);
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}
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protected function doAction(): void {
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$data = [
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'name' => $this->getInput('name', $this->widget->getDefaultName()),
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'error' => null,
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'user' => [
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'debug_mode' => $this->getDebugMode()
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],
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'allowed_ui_problems' => $this->checkAccess(CRoleHelper::UI_MONITORING_PROBLEMS)
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];
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// Editing template dashboard?
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if ($this->isTemplateDashboard() && !$this->hasInput('dynamic_hostid')) {
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$data['error'] = _('No data.');
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}
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else {
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$filter_groupids = !$this->isTemplateDashboard() && $this->fields_values['groupids']
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? getSubGroups($this->fields_values['groupids'])
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: null;
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if ($this->isTemplateDashboard()) {
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$filter_hostids = [$this->getInput('dynamic_hostid')];
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}
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else {
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$filter_hostids = $this->fields_values['hostids'] ?: null;
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}
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$filter_problem = $this->fields_values['problem'] !== '' ? $this->fields_values['problem'] : null;
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$filter_severities = $this->fields_values['severities'] ?: range(TRIGGER_SEVERITY_NOT_CLASSIFIED,
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TRIGGER_SEVERITY_COUNT - 1
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);
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$filter_show_suppressed = $this->fields_values['show_suppressed'];
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$filter_ext_ack = $this->fields_values['ext_ack'];
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if (!$this->isTemplateDashboard() && $this->fields_values['exclude_groupids']) {
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$exclude_groupids = getSubGroups($this->fields_values['exclude_groupids']);
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if ($filter_hostids === null) {
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// Get all groups if no selected groups defined.
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if ($filter_groupids === null) {
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$filter_groupids = array_keys(API::HostGroup()->get([
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'output' => [],
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'with_hosts' => true,
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'preservekeys' => true
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]));
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}
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$filter_groupids = array_diff($filter_groupids, $exclude_groupids);
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// Get available hosts.
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$filter_hostids = array_keys(API::Host()->get([
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'output' => [],
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'groupids' => $filter_groupids,
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'preservekeys' => true
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]));
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}
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$exclude_hostids = array_keys(API::Host()->get([
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'output' => [],
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'groupids' => $exclude_groupids,
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'preservekeys' => true
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]));
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$filter_hostids = array_diff($filter_hostids, $exclude_hostids);
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}
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// Get host groups.
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$groups = API::HostGroup()->get([
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'output' => ['groupid', 'name'],
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'groupids' => $filter_groupids,
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'hostids' => $filter_hostids,
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'with_monitored_hosts' => true,
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'preservekeys' => true
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]);
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foreach ($groups as $groupid => $group) {
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$groups[$groupid]['highest_severity'] = TRIGGER_SEVERITY_NOT_CLASSIFIED;
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$groups[$groupid]['hosts_total_count'] = 0;
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$groups[$groupid]['hosts_problematic_unack_count'] = 0;
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$groups[$groupid]['hosts_problematic_unack_list'] = [];
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if ($filter_ext_ack != EXTACK_OPTION_UNACK) {
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$groups[$groupid]['hosts_problematic_count'] = 0;
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$groups[$groupid]['hosts_problematic_list'] = [];
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}
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}
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// Get hosts.
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$hosts = API::Host()->get([
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'output' => ['hostid', 'name', 'maintenanceid', 'maintenance_status', 'maintenance_type'],
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'selectHostGroups' => ['groupid'],
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'groupids' => array_keys($groups),
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'hostids' => $filter_hostids,
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'filter' => [
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'maintenance_status' => null
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],
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'monitored_hosts' => true,
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'preservekeys' => true
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]);
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// Get triggers.
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$triggers = API::Trigger()->get([
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'output' => [],
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'selectHosts' => ['hostid'],
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'hostids' => array_keys($hosts),
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'groupids' => array_keys($groups),
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'filter' => [
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'value' => TRIGGER_VALUE_TRUE
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],
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'monitored' => true,
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'preservekeys' => true
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]);
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// Add default values for each host group and count hosts inside.
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foreach ($hosts as $host) {
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foreach ($host['hostgroups'] as $group) {
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if (array_key_exists($group['groupid'], $groups)) {
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$groups[$group['groupid']]['hosts_total_count']++;
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}
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}
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}
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// Get problems.
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$problems = API::Problem()->get([
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'output' => ['objectid', 'acknowledged', 'severity'],
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'groupids' => array_keys($groups),
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'hostids' => array_keys($hosts),
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'objectids' => array_keys($triggers),
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'search' => [
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'name' => $filter_problem
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],
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'severities' => $filter_severities,
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'evaltype' => $this->fields_values['evaltype'],
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'tags' => $this->fields_values['tags'],
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'acknowledged' => ($filter_ext_ack == EXTACK_OPTION_UNACK) ? false : null,
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'suppressed' => ($filter_show_suppressed == ZBX_PROBLEM_SUPPRESSED_FALSE) ? false : null,
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'symptom' => false
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]);
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$hosts_data = [];
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// Process problems.
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foreach ($problems as $problem) {
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foreach ($triggers[$problem['objectid']]['hosts'] as $trigger_host) {
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if (!array_key_exists($trigger_host['hostid'], $hosts)) {
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continue;
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}
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$host = $hosts[$trigger_host['hostid']];
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// Prepare hosts data for tables displayed in hintboxes.
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if (!array_key_exists($host['hostid'], $hosts_data)) {
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$hosts_data[$host['hostid']] = [
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'host' => $host['name'],
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'hostid' => $host['hostid'],
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'maintenanceid' => $host['maintenanceid'],
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'maintenance_status' => $host['maintenance_status'],
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'maintenance_type' => $host['maintenance_type'],
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'severities' => array_fill_keys($filter_severities, 0)
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];
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}
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// Count number of host problems per severity.
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$hosts_data[$host['hostid']]['severities'][$problem['severity']]++;
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// Propagate problem to all host groups in which host is added.
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foreach ($host['hostgroups'] as $group) {
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$groupid = $group['groupid'];
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if (!array_key_exists($groupid, $groups)) {
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continue;
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}
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// Searches for the highest severity set for filtered problems in particular host group.
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if ($problem['severity'] > $groups[$groupid]['highest_severity']) {
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$groups[$groupid]['highest_severity'] = $problem['severity'];
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}
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/**
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* Counts:
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* - problematic hosts (hosts with events in 'problem' state);
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* - unacknowledged problematic hosts (hosts with unacknowledged events in 'problem' state).
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*
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* Creates a list of problematic hosts and unacknowledged problematic hosts for each host group.
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*
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* Each host need to be counted only one time in each host group.
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* Host name is added for sorting.
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*/
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if ($filter_ext_ack != EXTACK_OPTION_UNACK
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&& !array_key_exists($host['hostid'], $groups[$groupid]['hosts_problematic_list'])) {
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$groups[$groupid]['hosts_problematic_list'][$host['hostid']]['name'] = $host['name'];
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$groups[$groupid]['hosts_problematic_count']++;
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}
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if ($problem['acknowledged'] == EVENT_NOT_ACKNOWLEDGED
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&& !array_key_exists($host['hostid'], $groups[$groupid]['hosts_problematic_unack_list'])) {
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$groups[$groupid]['hosts_problematic_unack_list'][$host['hostid']]['name'] = $host['name'];
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$groups[$groupid]['hosts_problematic_unack_count']++;
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}
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}
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}
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}
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// Sort results.
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foreach ($groups as $groupid => $group) {
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if ($group['hosts_total_count'] != 0) {
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CArrayHelper::sort($groups[$groupid]['hosts_problematic_unack_list'], ['name']);
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if ($filter_ext_ack != EXTACK_OPTION_UNACK) {
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CArrayHelper::sort($groups[$groupid]['hosts_problematic_list'], ['name']);
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}
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}
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else {
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// Unset groups without any monitored hosts.
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unset($groups[$groupid]);
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}
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}
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CArrayHelper::sort($groups, ['name']);
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$data += [
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'filter' => [
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'hostids' => $this->isTemplateDashboard()
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? [$this->getInput('dynamic_hostid')]
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: $this->fields_values['hostids'],
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'problem' => $this->fields_values['problem'],
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'severities' => $filter_severities,
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'show_suppressed' => $this->fields_values['show_suppressed'],
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'hide_empty_groups' => !$this->isTemplateDashboard()
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? $this->fields_values['hide_empty_groups']
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: null,
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'ext_ack' => $this->fields_values['ext_ack']
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],
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'hosts_data' => $hosts_data,
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'groups' => $groups
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];
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}
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// Pass results to view.
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$this->setResponse(new CControllerResponseData($data));
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}
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}
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