$set] * * @var TemplateSet[string] */ protected static $templateSets; /** * [$setName => [$templateName => $template]] * * @var GraphTemplate[string][string] */ protected static $allTemplates = []; /** * Graph image width * * @var string */ protected $width; /** * Graph image height * * @var string */ protected $height; /** * Graph range start * * @var string */ protected $start; /** * Graph range end * * @var string */ protected $end; /** * Whether to render as compact as possible * * @var bool */ protected $compact = false; /** * The image links to be shown * * [$type => [$title => $url]] * * @var string[string][string] */ protected $images; /** * @var GraphTemplate[string] */ protected $templates; /** * 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())); case 'service': /** @var Service $object */ return (new ServiceGraphs($object->getHost()->getName(), $object->getName())); } } /** * 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(); } $this->handleGraphParams($request); $this->collectTemplates(); $this->collectImages(); return $this; } public function render() { /** @var View $view */ $view = $this->view(); $rendered = ''; foreach ($this->images as $type => $images) { if (count($images) > 0) { $rendered .= '

'; if (! $this->compact) { $rendered .= "

{$view->escape(ucfirst($type))}

{$view->partial( 'show/legend.phtml', ['template' => $this->templates[$type]] )}"; } foreach ($images as $title => $url) { $rendered .= " $\"\"$ width\" height=\"$this->height\" />"; } $rendered .= '

'; } } return $rendered ?: "

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

"; } /** * Handle the given request's parameters * * @param Request $request */ protected function handleGraphParams(Request $request) { $params = $request->getUrl()->getParams(); list($this->start, $this->end) = $this->getRangeFromTimeRangePicker($request); $this->width = $params->shift('width', '300'); $this->height = $params->shift('height', '150'); } /** * 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'])]; } /** * Initialize {@link templates} */ protected function collectTemplates() { if (static::$templateSets === null) { static::$templateSets = (new TemplateStore())->loadTemplateSets(); } foreach (static::$templateSets as $setname => $set) { /** @var TemplateSet $set */ if (array_key_exists('icingaHost', $set->getBasePatterns())) { if (! isset(static::$allTemplates[$setname])) { static::$allTemplates[$setname] = $set->loadTemplates(); } foreach (static::$allTemplates[$setname] as $templateName => $template) { /** @var GraphTemplate $template */ if ($this->includeTemplate($template)) { $this->templates[$templateName] = $template; } } } } } /** * Initialize {@link images} */ protected function collectImages() { $graphiteWeb = new GraphiteWeb(GraphiteWebClient::getInstance()); foreach ($this->templates as $templateName => $template) { /** @var GraphTemplate $template */ $this->images[$templateName] = $this->filterGraphiteQuery( $graphiteWeb->select()->from($template->getFilterString()) ) ->getWrappedImageLinks( $template, TimeRangePickerTrait::copyAllRangeParameters( (new UrlParams()) ->set('template', $templateName) ->set('start', $this->start) ->set('width', $this->width) ->set('height', $this->height) ) ); } } /** * Add filters to the given query so that only specific graphs are shown * * @param GraphiteQuery $query * * @return GraphiteQuery The given query */ abstract protected function filterGraphiteQuery(GraphiteQuery $query); /** * Return whether to use the given template * * @param GraphTemplate $template * * @return bool */ abstract protected function includeTemplate(GraphTemplate $template); /** * 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; } }