icingaweb2/modules/monitoring/application/controllers/MultiController.php

301 lines
10 KiB
PHP

<?php
// {{{ICINGA_LICENSE_HEADER}}}
/**
* This file is part of Icinga Web 2.
*
* Icinga Web 2 - Head for multiple monitoring backends.
* Copyright (C) 2013 Icinga Development Team
*
* 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.
*
* @copyright 2013 Icinga Development Team <info@icinga.org>
* @license http://www.gnu.org/licenses/gpl-2.0.txt GPL, version 2
* @author Icinga Development Team <info@icinga.org>
*
*/
// {{{ICINGA_LICENSE_HEADER}}}
use \Icinga\Web\Form;
use \Icinga\Web\Controller\ActionController;
use \Icinga\Web\Widget\Tabextension\OutputFormat;
use \Icinga\Module\Monitoring\Backend;
use \Icinga\Module\Monitoring\Object\Host;
use \Icinga\Module\Monitoring\Object\Service;
use \Icinga\Module\Monitoring\Form\Command\MultiCommandFlagForm;
use \Icinga\Module\Monitoring\DataView\HostStatus as HostStatusView;
use \Icinga\Module\Monitoring\DataView\ServiceStatus as ServiceStatusView;
use \Icinga\Module\Monitoring\DataView\Comment as CommentView;
/**
* Displays aggregations collections of multiple objects.
*/
class Monitoring_MultiController extends ActionController
{
public function init()
{
$this->view->queries = $this->getDetailQueries();
$this->backend = Backend::createBackend($this->_getParam('backend'));
$this->createTabs();
}
public function hostAction()
{
$filters = $this->view->queries;
$errors = array();
// Hosts
$backendQuery = HostStatusView::fromRequest(
$this->_request,
array(
'host_name',
'host_in_downtime',
'host_unhandled_service_count',
'host_passive_checks_enabled',
'host_obsessing',
'host_notifications_enabled',
'host_event_handler_enabled',
'host_flap_detection_enabled',
'host_active_checks_enabled'
)
)->getQuery();
if ($this->_getParam('host') !== '*') {
$this->applyQueryFilter($backendQuery, $filters);
}
$hosts = $backendQuery->fetchAll();
// Comments
$commentQuery = CommentView::fromRequest($this->_request)->getQuery();
$this->applyQueryFilter($commentQuery, $filters);
$comments = array_keys($this->getUniqueValues($commentQuery->fetchAll(), 'comment_id'));
$this->view->objects = $this->view->hosts = $hosts;
$this->view->problems = $this->getProblems($hosts);
$this->view->comments = isset($comments) ? $comments : $this->getComments($hosts);
$this->view->hostnames = $this->getProperties($hosts, 'host_name');
$this->view->downtimes = $this->getDowntimes($hosts);
$this->view->errors = $errors;
$this->handleConfigurationForm(array(
'host_passive_checks_enabled' => 'Passive Checks',
'host_active_checks_enabled' => 'Active Checks',
'host_obsessing' => 'Obsessing',
'host_notifications_enabled' => 'Notifications',
'host_event_handler_enabled' => 'Event Handler',
'host_flap_detection_enabled' => 'Flap Detection'
));
$this->view->form->setAction('/icinga2-web/monitoring/multi/host');
}
/**
* @param $backendQuery BaseQuery The query to apply the filter to
* @param $filter array Containing the filter expressions from the request
*/
private function applyQueryFilter($backendQuery, $filter)
{
// fetch specified hosts
foreach ($filter as $index => $expr) {
if (!array_key_exists('host', $expr)) {
$errors[] = 'Query ' . $index . ' misses property host.';
continue;
}
// apply filter expressions from query
$backendQuery->orWhere('host_name', $expr['host']);
if (array_key_exists('service', $expr)) {
$backendQuery->andWhere('service_description', $expr['service']);
}
}
}
/**
* Create an array with all unique values as keys.
*
* @param array $values The array containing the objects
* @param $key The key to access
*
* @return array
*/
private function getUniqueValues($values, $key)
{
$unique = array();
foreach ($values as $value)
{
if (is_array($value)) {
$unique[$value[$key]] = $value[$key];
} else {
$unique[$value->{$key}] = $value->{$key};
}
}
return $unique;
}
/**
* Get the numbers of problems in the given objects
*
* @param $object array The hosts or services
*/
private function getProblems($objects)
{
$problems = 0;
foreach ($objects as $object) {
if (property_exists($object, 'host_unhandled_service_count')) {
$problems += $object->{'host_unhandled_service_count'};
} else if (
property_exists($object, 'service_handled') &&
!$object->service_handled &&
$object->service_state > 0
) {
$problems++;
}
}
return $problems;
}
private function getComments($objects)
{
$unique = array();
foreach ($objects as $object) {
$unique = array_merge($unique, $this->getUniqueValues($object->comments, 'comment_internal_id'));
}
return array_keys($unique);
}
private function getProperties($objects, $property)
{
$objectnames = array();
foreach ($objects as $object) {
$objectnames[] = $object->{$property};
}
return $objectnames;
}
private function getDowntimes($objects)
{
$downtimes = array();
foreach ($objects as $object)
{
if (
(property_exists($object, 'host_in_downtime') && $object->host_in_downtime) ||
(property_exists($object, 'service_in_downtime') && $object->service_in_downtime)
) {
$downtimes[] = true;
}
}
return $downtimes;
}
public function serviceAction()
{
$filters = $this->view->queries;
$errors = array();
$backendQuery = ServiceStatusView::fromRequest(
$this->_request,
array(
'host_name',
'service_description',
'service_handled',
'service_state',
'service_in_downtime',
'service_passive_checks_enabled',
'service_notifications_enabled',
'service_event_handler_enabled',
'service_flap_detection_enabled',
'service_active_checks_enabled'
)
)->getQuery();
if ($this->_getParam('service') !== '*' && $this->_getParam('host') !== '*') {
$this->applyQueryFilter($backendQuery, $filters);
}
$services = $backendQuery->fetchAll();
// Comments
$commentQuery = CommentView::fromRequest($this->_request)->getQuery();
$this->applyQueryFilter($commentQuery, $filters);
$comments = array_keys($this->getUniqueValues($commentQuery->fetchAll(), 'comment_id'));
$this->view->objects = $this->view->services = $services;
$this->view->problems = $this->getProblems($services);
$this->view->comments = isset($comments) ? $comments : $this->getComments($services);
$this->view->hostnames = $this->getProperties($services, 'host_name');
$this->view->servicenames = $this->getProperties($services, 'service_description');
$this->view->downtimes = $this->getDowntimes($services);
$this->view->errors = $errors;
$this->handleConfigurationForm(array(
'service_passive_checks_enabled' => 'Passive Checks',
'service_active_checks_enabled' => 'Active Checks',
'service_notifications_enabled' => 'Notifications',
'service_event_handler_enabled' => 'Event Handler',
'service_flap_detection_enabled' => 'Flap Detection'
));
$this->view->form->setAction('/icinga2-web/monitoring/multi/service');
}
/**
* Handle the form to edit configuration flags.
*
* @param $flags array The used flags.
*/
private function handleConfigurationForm(array $flags)
{
$this->view->form = $form = new MultiCommandFlagForm($flags);
$form->setRequest($this->_request);
if ($form->isSubmittedAndValid()) {
// TODO: Handle commands
$changed = $form->getChangedValues();
}
if ($this->_request->isPost() === false) {
$this->view->form->initFromItems($this->view->objects);
}
}
/**
* Fetch all requests from the 'detail' parameter.
*
* @return array An array of request that contain
* the filter arguments as properties.
*/
private function getDetailQueries()
{
$details = $this->_getAllParams();
$objects = array();
foreach ($details as $property => $values) {
if (!is_array($values)) {
continue;
}
foreach ($values as $index => $value) {
if (!array_key_exists($index, $objects)) {
$objects[$index] = array();
}
$objects[$index][$property] = $value;
}
}
return $objects;
}
/**
* Return all tabs for this controller
*
* @return Tabs
*/
private function createTabs()
{
$tabs = $this->getTabs();
$tabs->extend(new OutputFormat());
}
}