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<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Monitoring\Controllers;
use DateInterval;
use DateTime;
use Icinga\Module\Monitoring\Controller;
use Icinga\Module\Monitoring\Timeline\TimeLine;
use Icinga\Module\Monitoring\Timeline\TimeRange;
use Icinga\Module\Monitoring\Web\Widget\SelectBox;
use Icinga\Util\Format;
use Icinga\Web\Url;
use Icinga\Web\Widget\Tabextension\DashboardAction;
use Icinga\Web\Widget\Tabextension\MenuAction;
class TimelineController extends Controller
{
public function indexAction()
{
$this->getTabs()->add(
'timeline',
array(
'title' => $this->translate('Show the number of historical event records grouped by time and type'),
'label' => $this->translate('Timeline'),
'url' => Url::fromRequest()
)
)->extend(new DashboardAction())->extend(new MenuAction())->activate('timeline');
$this->view->title = $this->translate('Timeline');
// TODO: filter for hard_states (precedence adjustments necessary!)
$this->setupIntervalBox();
list($displayRange, $forecastRange) = $this->buildTimeRanges();
$detailUrl = Url::fromPath('monitoring/list/eventhistory');
$timeline = new TimeLine(
$this->applyRestriction(
'monitoring/filter/objects',
$this->backend->select()->from(
'eventhistory',
array(
'name' => 'type',
'time' => 'timestamp'
)
)
),
array(
'notification_ack' => array(
'class' => 'timeline-notification',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Notifications'),
'groupBy' => 'notification_*'
),
'notification_flapping' => array(
'class' => 'timeline-notification',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Notifications'),
'groupBy' => 'notification_*'
),
'notification_flapping_end' => array(
'class' => 'timeline-notification',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Notifications'),
'groupBy' => 'notification_*'
),
'notification_dt_start' => array(
'class' => 'timeline-notification',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Notifications'),
'groupBy' => 'notification_*'
),
'notification_dt_end' => array(
'class' => 'timeline-notification',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Notifications'),
'groupBy' => 'notification_*'
),
'notification_custom' => array(
'class' => 'timeline-notification',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Notifications'),
'groupBy' => 'notification_*'
),
'notification_state' => array(
'class' => 'timeline-notification',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Notifications'),
'groupBy' => 'notification_*'
),
'hard_state' => array(
'class' => 'timeline-hard-state',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Hard state changes')
),
'comment' => array(
'class' => 'timeline-comment',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Comments')
),
'ack' => array(
'class' => 'timeline-ack',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Acknowledgements')
),
'dt_start' => array(
'class' => 'timeline-downtime-start',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Started downtimes')
),
'dt_end' => array(
'class' => 'timeline-downtime-end',
'detailUrl' => $detailUrl,
'label' => mt('monitoring', 'Ended downtimes')
)
)
);
$timeline->setMaximumCircleWidth('6em');
$timeline->setMinimumCircleWidth('0.3em');
$timeline->setDisplayRange($displayRange);
$timeline->setForecastRange($forecastRange);
$beingExtended = $this->getRequest()->getParam('extend') == 1;
$timeline->setSession($this->Window()->getSessionNamespace('timeline', !$beingExtended));
$this->view->timeline = $timeline;
$this->view->nextRange = $forecastRange;
$this->view->beingExtended = $beingExtended;
$this->view->intervalFormat = $this->getIntervalFormat();
$oldBase = $timeline->getCalculationBase(false);
$this->view->switchedContext = $oldBase !== null && $oldBase !== $timeline->getCalculationBase(true);
}
/**
* Create a select box the user can choose the timeline interval from
*/
private function setupIntervalBox()
{
$box = new SelectBox(
'intervalBox',
array(
'4h' => mt('monitoring', '4 Hours'),
'1d' => mt('monitoring', 'One day'),
'1w' => mt('monitoring', 'One week'),
'1m' => mt('monitoring', 'One month'),
'1y' => mt('monitoring', 'One year')
),
mt('monitoring', 'TimeLine interval'),
'interval'
);
$box->applyRequest($this->getRequest());
$this->view->intervalBox = $box;
}
/**
* Return the chosen interval
*
* @return DateInterval The chosen interval
*/
private function getTimelineInterval()
{
switch ($this->view->intervalBox->getInterval()) {
case '1d':
return new DateInterval('P1D');
case '1w':
return new DateInterval('P1W');
case '1m':
return new DateInterval('P1M');
case '1y':
return new DateInterval('P1Y');
default:
return new DateInterval('PT4H');
}
}
/**
* Get an appropriate datetime format string for the chosen interval
*
* @return string
*/
private function getIntervalFormat()
{
switch ($this->view->intervalBox->getInterval()) {
case '1d':
return $this->getDateFormat();
case '1w':
return '\W\e\ek W\<b\r\>\of Y';
case '1m':
return 'F Y';
case '1y':
return 'Y';
default:
return $this->getDateFormat() . '\<b\r\>' . $this->getTimeFormat();
}
}
/**
* Return a preload interval based on the chosen timeline interval and the given date and time
*
* @param DateTime $dateTime The date and time to use
*
* @return DateInterval The interval to pre-load
*/
private function getPreloadInterval(DateTime $dateTime)
{
switch ($this->view->intervalBox->getInterval()) {
case '1d':
return DateInterval::createFromDateString('1 week -1 second');
case '1w':
return DateInterval::createFromDateString('8 weeks -1 second');
case '1m':
$dateCopy = clone $dateTime;
for ($i = 0; $i < 6; $i++) {
$dateCopy->sub(new DateInterval('PT' . Format::secondsByMonth($dateCopy) . 'S'));
}
return $dateCopy->add(new DateInterval('PT1S'))->diff($dateTime);
case '1y':
$dateCopy = clone $dateTime;
for ($i = 0; $i < 4; $i++) {
$dateCopy->sub(new DateInterval('PT' . Format::secondsByYear($dateCopy) . 'S'));
}
return $dateCopy->add(new DateInterval('PT1S'))->diff($dateTime);
default:
return DateInterval::createFromDateString('1 day -1 second');
}
}
/**
* Extrapolate the given datetime based on the chosen timeline interval
*
* @param DateTime $dateTime The datetime to extrapolate
*/
private function extrapolateDateTime(DateTime &$dateTime)
{
switch ($this->view->intervalBox->getInterval()) {
case '1d':
$dateTime->setTimestamp(strtotime('tomorrow', $dateTime->getTimestamp()) - 1);
break;
case '1w':
$dateTime->setTimestamp(strtotime('next monday', $dateTime->getTimestamp()) - 1);
break;
case '1m':
$dateTime->setTimestamp(
strtotime(
'last day of this month',
strtotime(
'tomorrow',
$dateTime->getTimestamp()
) - 1
)
);
break;
case '1y':
$dateTime->setTimestamp(strtotime('1 january next year', $dateTime->getTimestamp()) - 1);
break;
default:
$hour = $dateTime->format('G');
$end = $hour < 4 ? 4 : ($hour < 8 ? 8 : ($hour < 12 ? 12 : ($hour < 16 ? 16 : ($hour < 20 ? 20 : 24))));
$dateTime = DateTime::createFromFormat(
'd/m/y G:i:s',
$dateTime->format('d/m/y') . ($end - 1) . ':59:59'
);
}
}
/**
* Return a display- and forecast time range
*
* Assembles a time range each for display and forecast purposes based on the start- and
* end time if given in the current request otherwise based on the current time and a
* end time that is calculated based on the chosen timeline interval.
*
* @return array The resulting time ranges
*/
private function buildTimeRanges()
{
$startTime = new DateTime();
$startParam = $this->_request->getParam('start');
$startTimestamp = is_numeric($startParam) ? intval($startParam) : strtotime($startParam ?? '');
if ($startTimestamp !== false) {
$startTime->setTimestamp($startTimestamp);
} else {
$this->extrapolateDateTime($startTime);
}
$endTime = clone $startTime;
$endParam = $this->_request->getParam('end');
$endTimestamp = is_numeric($endParam) ? intval($endParam) : strtotime($endParam ?? '');
if ($endTimestamp !== false) {
$endTime->setTimestamp($endTimestamp);
} else {
$endTime->sub($this->getPreloadInterval($startTime));
}
$forecastStart = clone $endTime;
$forecastStart->sub(new DateInterval('PT1S'));
$forecastEnd = clone $forecastStart;
$forecastEnd->sub($this->getPreloadInterval($forecastStart));
$timelineInterval = $this->getTimelineInterval();
return array(
new TimeRange($startTime, $endTime, $timelineInterval),
new TimeRange($forecastStart, $forecastEnd, $timelineInterval)
);
}
/**
* Get the user's preferred time format or the application's default
*
* @return string
*/
private function getTimeFormat()
{
return 'H:i';
}
/**
* Get the user's preferred date format or the application's default
*
* @return string
*/
private function getDateFormat()
{
return 'Y-m-d';
}
}
|
