mirror of
https://github.com/Icinga/icingaweb2.git
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638 lines
18 KiB
PHP
638 lines
18 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
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use Icinga\Chart\GridChart;
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use Icinga\Chart\Unit\LinearUnit;
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use Icinga\Chart\Unit\StaticAxis;
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use Icinga\Module\Monitoring\Controller;
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use Icinga\Module\Monitoring\Web\Widget\SelectBox;
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use Icinga\Web\Url;
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class Monitoring_AlertsummaryController extends Controller
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{
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/**
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* @var array
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*/
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private $notificationData;
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/**
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* @var array
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*/
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private $problemData;
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/**
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* Init data set
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*/
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public function init()
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{
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$this->notificationData = $this->createNotificationData();
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$this->problemData = $this->createProblemData();
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}
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/**
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* Create full report
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*/
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public function indexAction()
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{
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$this->getTabs()->add(
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'alertsummary',
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array(
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'title' => $this->translate(
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'Show recent alerts and visualize notifications and problems'
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. ' based on their amount and chronological distribution'
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),
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'label' => $this->translate('Alert Summary'),
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'url' => Url::fromRequest()
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)
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)->activate('alertsummary');
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$this->view->title = $this->translate('Alert Summary');
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$this->view->intervalBox = $this->createIntervalBox();
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$this->view->recentAlerts = $this->createRecentAlerts();
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$this->view->interval = $this->getInterval();
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$this->view->defectChart = $this->createDefectImage();
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$this->view->healingChart = $this->createHealingChart();
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$this->view->perf = $this->createNotificationPerfdata();
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$this->view->trend = $this->createTrendInformation();
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$this->setAutorefreshInterval(15);
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$query = $this->backend->select()->from(
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'notification',
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array(
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'host',
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'host_display_name',
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'service',
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'service_display_name',
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'notification_output',
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'notification_contact',
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'notification_start_time',
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'notification_state'
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)
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);
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$this->view->notifications = $query->paginate();
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}
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/**
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* Create data for charts
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*
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* @return array
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*/
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private function createNotificationData()
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{
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$interval = $this->getInterval();
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$query = $this->backend->select()->from(
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'notification',
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array(
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'host',
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'service',
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'notification_output',
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'notification_contact',
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'notification_start_time',
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'notification_state'
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)
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);
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$query->setFilter(
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new Icinga\Data\Filter\FilterExpression(
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'n.start_time',
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'>=',
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$this->getBeginDate($interval)->format('Y-m-d H:i:s')
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)
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);
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$query->order('notification_start_time', 'asc');
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$records = $query->getQuery()->fetchAll();
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$data = array();
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$period = $this->createPeriod($interval);
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foreach ($period as $entry) {
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$id = $this->getPeriodFormat($interval, $entry->getTimestamp());
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$data[$id] = array($id, 0);
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}
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foreach ($records as $item) {
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$id = $this->getPeriodFormat($interval, $item->notification_start_time);
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if (empty($data[$id])) {
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$data[$id] = array($id, 0);
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}
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$data[$id][1]++;
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}
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return $data;
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}
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/**
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* Trend information for notifications
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*
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* @return stdClass
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*/
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private function createTrendInformation()
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{
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$date = new DateTime();
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$beginDate = $date->sub(new DateInterval('P3D'));
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$query = $this->backend->select()->from(
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'notification',
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array(
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'host',
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'service',
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'notification_output',
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'notification_contact',
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'notification_start_time',
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'notification_state'
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)
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);
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$query->setFilter(
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new Icinga\Data\Filter\FilterExpression(
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'n.start_time',
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'>=',
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$beginDate->format('Y-m-d H:i:s')
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)
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);
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$query->order('notification_start_time', 'asc');
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$records = $query->getQuery()->fetchAll();
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$slots = array();
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$period = new DatePeriod($beginDate, new DateInterval('P1D'), 2, DatePeriod::EXCLUDE_START_DATE);
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foreach ($period as $entry) {
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$slots[$entry->format('Y-m-d')] = 0;
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}
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foreach ($records as $item) {
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$id = strftime('%Y-%m-%d', $item->notification_start_time);
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if (isset($slots[$id])) {
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$slots[$id]++;
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}
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}
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$yesterday = array_shift($slots);
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$today = array_shift($slots);
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$out = new stdClass();
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if ($yesterday === $today) {
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$out->trend = $this->translate('unchanged');
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} elseif ($yesterday > $today) {
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$out->trend = $this->translate('down');
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} else {
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$out->trend = $this->translate('up');
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}
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if ($yesterday <= 0) {
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$out->percent = 100;
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} elseif ($yesterday === $today) {
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$out->percent = 0;
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} else {
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$out->percent = sprintf(
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'%.2f',
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100 - ((100/($yesterday > $today ? $yesterday : $today)) * ($yesterday > $today ? $today : $yesterday))
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);
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}
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return $out;
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}
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/**
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* Perfdata for notifications
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*
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* @return stdClass
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*/
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private function createNotificationPerfdata()
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{
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$interval = $this->getInterval();
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$query = $this->backend->select()->from(
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'notification',
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array(
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'notification_start_time'
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)
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);
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$query->setFilter(
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new Icinga\Data\Filter\FilterExpression(
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'n.start_time',
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'>=',
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$this->getBeginDate($interval)->format('Y-m-d H:i:s')
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)
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);
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$query->order('notification_start_time', 'desc');
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$records = $query->getQuery()->fetchAll();
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$slots = array();
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foreach ($records as $item) {
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$id = strftime('%Y-%m-%d %H:%I:00', $item->notification_start_time);
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if (empty($slots[$id])) {
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$slots[$id] = 0;
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}
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$slots[$id]++;
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}
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$out = new stdClass();
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if (! empty($slots)) {
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$out->avg = sprintf('%.2f', array_sum($slots) / count($slots));
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} else {
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$out->avg = '0.0';
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}
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$out->last = array_shift($slots);
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return $out;
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}
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/**
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* Problems for notifications
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*
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* @return array
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*/
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private function createProblemData()
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{
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$interval = $this->getInterval();
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$query = $this->backend->select()->from(
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'eventHistory',
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array(
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'timestamp'
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)
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);
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$query->addFilter(
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new Icinga\Data\Filter\FilterExpression(
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'timestamp',
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'>=',
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$this->getBeginDate($interval)->getTimestamp()
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)
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);
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$query->addFilter(
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new Icinga\Data\Filter\FilterExpression(
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'state',
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'>',
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0
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)
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);
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$defects = array();
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$records = $query->getQuery()->fetchAll();
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$period = $this->createPeriod($interval);
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foreach ($period as $entry) {
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$id = $this->getPeriodFormat($interval, $entry->getTimestamp());
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$defects[$id] = array($id, 0);
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}
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foreach ($records as $item) {
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$id = $this->getPeriodFormat($interval, $item->timestamp);
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if (empty($defects[$id])) {
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$defects[$id] = array($id, 0);
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}
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$defects[$id][1]++;
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}
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return $defects;
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}
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/**
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* Healing svg image
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*
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* @return GridChart
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*/
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public function createHealingChart()
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{
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$gridChart = new GridChart();
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$gridChart->title = $this->translate('Healing Chart');
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$gridChart->description = $this->translate('Notifications and average reaction time per hour.');
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$gridChart->alignTopLeft();
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$gridChart->setAxisLabel($this->createPeriodDescription(), $this->translate('Notifications'))
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->setXAxis(new StaticAxis())
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->setYAxis(new LinearUnit(10))
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->setAxisMin(null, 0);
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$interval = $this->getInterval();
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$query = $this->backend->select()->from(
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'notification',
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array(
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'host',
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'service',
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'notification_object_id',
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'notification_output',
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'notification_contact',
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'notification_start_time',
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'notification_state',
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'acknowledgement_entry_time'
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)
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);
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$query->setFilter(
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new Icinga\Data\Filter\FilterExpression(
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'n.start_time',
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'>=',
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$this->getBeginDate($interval)->format('Y-m-d H:i:s')
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)
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);
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$query->order('notification_start_time', 'asc');
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$records = $query->getQuery()->fetchAll();
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$interval = $this->getInterval();
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$period = $this->createPeriod($interval);
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$dAvg = array();
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$dMax = array();
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$notifications = array();
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$rData = array();
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foreach ($period as $entry) {
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$id = $this->getPeriodFormat($interval, $entry->getTimestamp());
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$dMax[$id] = array($id, 0);
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$dAvg[$id] = array($id, 0, 0);
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$notifications[$id] = array($id, 0);
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}
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foreach ($records as $item) {
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$id = $this->getPeriodFormat($interval, $item->notification_start_time);
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if ($item->notification_state == '0' && isset($rData[$item->notification_object_id])) {
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$rData[$item->notification_object_id]['recover'] =
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$item->notification_start_time - $rData[$item->notification_object_id]['entry'];
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} elseif ($item->notification_state !== '0') {
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$recover = 0;
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if ($item->acknowledgement_entry_time) {
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$recover = $item->acknowledgement_entry_time - $item->notification_start_time;
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/*
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* Acknowledgements may happen before the actual notification starts, since notifications
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* can be configured to start a certain time after the problem. In that case we assume
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* a reaction time of 0s.
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*/
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if ($recover < 0) {
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$recover = 0;
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}
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}
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$rData[$item->notification_object_id] = array(
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'id' => $id,
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'entry' => $item->notification_start_time,
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'recover' => $recover
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);
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}
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}
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foreach ($rData as $item) {
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$notifications[$item['id']][1]++;
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if ($item['recover'] > $dMax[$item['id']][1]) {
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$dMax[$item['id']][1] = (int) $item['recover'];
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}
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$dAvg[$item['id']][1] += (int) $item['recover'];
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$dAvg[$item['id']][2]++;
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}
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foreach ($dAvg as &$item) {
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if ($item[2] > 0) {
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$item[1] = ($item[1]/$item[2])/60/60;
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}
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}
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foreach ($dMax as &$item) {
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$item[1] = $item[1]/60/60;
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}
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$gridChart->drawBars(
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array(
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'label' => $this->translate('Notifications'),
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'color' => '#07C0D9',
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'data' => $notifications,
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'showPoints' => true,
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'tooltip' => '<b>{title}:</b> {value} {label}'
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)
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);
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$gridChart->drawLines(
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array(
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'label' => $this->translate('Avg (min)'),
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'color' => '#ffaa44',
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'data' => $dAvg,
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'showPoints' => true,
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'tooltip' => $this->translate('<b>{title}:</b> {value}m min. reaction time')
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)
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);
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$gridChart->drawLines(
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array(
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'label' => $this->translate('Max (min)'),
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'color' => '#ff5566',
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'data' => $dMax,
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'showPoints' => true,
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'tooltip' => $this->translate('<b>{title}:</b> {value}m max. reaction time')
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)
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);
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return $gridChart;
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}
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/**
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* Notifications and defects
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*
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* @return GridChart
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*/
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public function createDefectImage()
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{
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$gridChart = new GridChart();
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$gridChart->title = $this->translate('Defect Chart');
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$gridChart->description = $this->translate('Notifications and defects per hour');
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$gridChart->alignTopLeft();
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$gridChart->setAxisLabel($this->createPeriodDescription(), $this->translate('Notifications'))
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->setXAxis(new StaticAxis())
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->setYAxis(new LinearUnit(10))
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->setAxisMin(null, 0);
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$gridChart->drawBars(
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array(
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'label' => $this->translate('Notifications'),
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'color' => '#07C0D9',
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'data' => $this->notificationData,
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'showPoints' => true,
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'tooltip' => '<b>{title}:</b> {value} {label}'
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)
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);
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$gridChart->drawLines(
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array(
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'label' => $this->translate('Defects'),
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'color' => '#ff5566',
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'data' => $this->problemData,
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'showPoints' => true,
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'tooltip' => '<b>{title}:</b> {value} {label}'
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)
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);
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return $gridChart;
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}
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/**
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* Top recent alerts
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*
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* @return mixed
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*/
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private function createRecentAlerts()
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{
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$query = $this->backend->select()->from(
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'notification',
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array(
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'host',
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'host_display_name',
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'service',
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'service_display_name',
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'notification_output',
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'notification_contact',
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'notification_start_time',
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'notification_state'
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)
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);
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$query->order('notification_start_time', 'desc');
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return $query->paginate(5);
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}
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/**
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* Interval selector box
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*
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* @return SelectBox
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*/
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private function createIntervalBox()
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{
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$box = new SelectBox(
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'intervalBox',
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array(
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'1d' => $this->translate('One day'),
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'1w' => $this->translate('One week'),
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'1m' => $this->translate('One month'),
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'1y' => $this->translate('One year')
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),
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$this->translate('Report interval'),
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'interval'
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);
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$box->applyRequest($this->getRequest());
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return $box;
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}
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/**
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* Return reasonable date time format for an interval
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*
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* @param string $interval
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* @param string $timestamp
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*
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* @return string
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*/
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private function getPeriodFormat($interval, $timestamp)
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{
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$format = '';
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if ($interval === '1d') {
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$format = '%H:00';
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} elseif ($interval === '1w') {
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$format = '%Y-%m-%d';
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} elseif ($interval === '1m') {
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$format = '%Y-%m-%d';
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} elseif ($interval === '1y') {
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$format = '%Y-%m';
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}
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return strftime($format, $timestamp);
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}
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/**
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* Create a reasonable period based in interval strings
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*
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* @param $interval
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* @return DatePeriod
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*/
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private function createPeriod($interval)
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{
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if ($interval === '1d') {
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return new DatePeriod($this->getBeginDate($interval), new DateInterval('PT1H'), 24);
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} elseif ($interval === '1w') {
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return new DatePeriod($this->getBeginDate($interval), new DateInterval('P1D'), 7);
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} elseif ($interval === '1m') {
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return new DatePeriod($this->getBeginDate($interval), new DateInterval('P1D'), 31);
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} elseif ($interval === '1y') {
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return new DatePeriod($this->getBeginDate($interval), new DateInterval('P1M'), 12);
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}
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}
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/**
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* Return start timestamps based on interval strings
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*
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* @param $interval
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* @return DateTime|null
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*/
|
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private function getBeginDate($interval)
|
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{
|
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$new = new DateTime();
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if ($interval === '1d') {
|
|
return $new->sub(new DateInterval('P1D'));
|
|
} elseif ($interval === '1w') {
|
|
return $new->sub(new DateInterval('P1W'));
|
|
} elseif ($interval === '1m') {
|
|
return $new->sub(new DateInterval('P1M'));
|
|
} elseif ($interval === '1y') {
|
|
return $new->sub(new DateInterval('P1Y'));
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Getter for interval
|
|
*
|
|
* @return string
|
|
*
|
|
* @throws Zend_Controller_Action_Exception
|
|
*/
|
|
private function getInterval()
|
|
{
|
|
$interval = $this->getParam('interval', '1d');
|
|
if (false === in_array($interval, array('1d', '1w', '1m', '1y'))) {
|
|
throw new Zend_Controller_Action_Exception($this->translate('Value for interval not valid'));
|
|
}
|
|
|
|
return $interval;
|
|
}
|
|
|
|
/**
|
|
* Create a human-readable description of the current interval size
|
|
*
|
|
* @return string The description of the current interval size
|
|
*/
|
|
private function createPeriodDescription()
|
|
{
|
|
$int = $this->getInterval();
|
|
switch ($int) {
|
|
case '1d':
|
|
return $this->translate('Hour');
|
|
break;
|
|
case '1w';
|
|
return $this->translate('Day');
|
|
break;
|
|
case '1m':
|
|
return $this->translate('Day');
|
|
break;
|
|
case '1y':
|
|
return $this->translate('Month');
|
|
break;
|
|
}
|
|
}
|
|
}
|