s around the images * * @var string[] */ protected $classes = []; /** * Whether to serve a transparent dummy image first and let the JS code load the actual graph * * @var bool */ protected $preloadDummy = false; /** * Factory, based on the given object * * @param MonitoredObject $object * * @return static */ public static function forMonitoredObject(MonitoredObject $object) { switch ($object->getType()) { case 'host': /** @var Host $object */ return new HostGraphs( $object->getName(), $object->host_check_command, $object->_host_check_command ); case 'service': /** @var Service $object */ return new ServiceGraphs( $object->getHost()->getName(), $object->getName(), $object->service_check_command, $object->_service_check_command ); } } /** * Constructor * * @param string $checkCommand The check command of the monitored object we display graphs for * @param string|null $obscuredCheckCommand The "real" check command (if any) of the monitored object * we display graphs for */ public function __construct($checkCommand, $obscuredCheckCommand) { $this->checkCommand = $checkCommand; $this->obscuredCheckCommand = $obscuredCheckCommand; } /** * Process the given request using this widget * * @param Request $request The request to be processed * * @return $this */ public function handleRequest(Request $request = null) { if ($request === null) { $request = Icinga::app()->getRequest(); } $params = $request->getUrl()->getParams(); list($this->start, $this->end) = $this->getRangeFromTimeRangePicker($request); $this->width = $params->shift('width', $this->width); $this->height = $params->shift('height', $this->height); return $this; } public function render() { /** @var View $view */ $view = $this->view(); $result = []; // kind of string builder $filter = $this->getMonitoredObjectFilter(); $imageBaseUrl = $this->preloadDummy ? $this->getDummyImageBaseUrl() : $this->getImageBaseUrl(); $templates = static::getAllTemplates()->getTemplates(); $checkCommand = $this->obscuredCheckCommand === null ? $this->checkCommand : $this->obscuredCheckCommand; $classes = $this->classes; $classes[] = 'images'; $div = '

'; foreach ($templates as $templateName => $template) { if ($this->designedForMyMonitoredObjectType($template) && $template->getCheckCommand() === $checkCommand) { $charts = $template->getCharts(static::getMetricsDataSource(), $filter, $this->checkCommand); if (! empty($charts)) { $result[] = $div; if (! $this->compact) { $result[] = '

'; $result[] = $view->escape(ucfirst($templateName)); $result[] = '

'; $result[] = $view->partial('show/legend.phtml', ['template' => $templateName]); } foreach ($charts as $chart) { $result[] = '

'; } $result[] = '

'; } } } return empty($result) ? "

{$view->escape($view->translate('No graphs found'))}

" : implode($result); } /** * Get time range parameters for Graphite from the URL * * @param Request $request The request to be used * * @return string[] */ protected function getRangeFromTimeRangePicker(Request $request) { $params = $request->getUrl()->getParams(); $relative = $params->get(TimeRangePickerTrait::getRelativeRangeParameter()); if ($relative !== null) { return ["-{$relative}s", null]; } $absolute = TimeRangePickerTrait::getAbsoluteRangeParameters(); return [$params->get($absolute['start'], '-1hours'), $params->get($absolute['end'])]; } /** * Return whether the given template is designed for the type of the monitored object we display graphs for * * @param Template $template * * @return bool */ abstract protected function designedForMyMonitoredObjectType(Template $template); /** * Return a filter specifying the monitored object we display graphs for * * @return string[] */ abstract protected function getMonitoredObjectFilter(); /** * Get the base URL to a graph specifying just the monitored object kind * * @return Url */ abstract protected function getImageBaseUrl(); /** * Get the base URL to a dummy image specifying just the monitored object kind * * @return Url */ abstract protected function getDummyImageBaseUrl(); /** * Extend the {@link getImageBaseUrl()}'s result's parameters with the concrete monitored object * * @param Url $url The URL to extend * * @return Url The given URL */ abstract protected function filterImageUrl(Url $url); /** * Get {@link compact} * * @return bool */ public function getCompact() { return $this->compact; } /** * Set {@link compact} * * @param bool $compact * * @return $this */ public function setCompact($compact = true) { $this->compact = $compact; return $this; } /** * Get the graph image width * * @return string */ public function getWidth() { return $this->width; } /** * Set the graph image width * * @param string $width * * @return $this */ public function setWidth($width) { $this->width = $width; return $this; } /** * Get the graph image height * * @return string */ public function getHeight() { return $this->height; } /** * Set the graph image height * * @param string $height * * @return $this */ public function setHeight($height) { $this->height = $height; return $this; } /** * Get additional CSS classes for the

s around the images * * @return string[] */ public function getClasses() { return $this->classes; } /** * Set additional CSS classes for the

s around the images * * @param string[] $classes * * @return $this */ public function setClasses($classes) { $this->classes = $classes; return $this; } /** * Get whether to serve a transparent dummy image first and let the JS code load the actual graph * * @return bool */ public function getPreloadDummy() { return $this->preloadDummy; } /** * Set whether to serve a transparent dummy image first and let the JS code load the actual graph * * @param bool $preloadDummy * * @return $this */ public function setPreloadDummy($preloadDummy = true) { $this->preloadDummy = $preloadDummy; return $this; } }