diff options
Diffstat (limited to 'application/controllers/MonitoringGraphController.php')
| -rw-r--r-- | application/controllers/MonitoringGraphController.php | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/application/controllers/MonitoringGraphController.php b/application/controllers/MonitoringGraphController.php new file mode 100644 index 0000000..583c859 --- /dev/null +++ b/application/controllers/MonitoringGraphController.php @@ -0,0 +1,155 @@ +<?php + +namespace Icinga\Module\Graphite\Controllers; + +use Icinga\Exception\Http\HttpBadRequestException; +use Icinga\Exception\Http\HttpNotFoundException; +use Icinga\Module\Graphite\Graphing\GraphingTrait; +use Icinga\Module\Graphite\Web\Controller\MonitoringAwareController; +use Icinga\Module\Graphite\Web\Widget\Graphs; +use Icinga\Module\Monitoring\Object\Host; +use Icinga\Module\Monitoring\Object\MonitoredObject; +use Icinga\Module\Monitoring\Object\Service; +use Icinga\Web\UrlParams; + +class MonitoringGraphController extends MonitoringAwareController +{ + use GraphingTrait; + + /** + * The URL parameters for the graph + * + * @var string[] + */ + protected $graphParamsNames = [ + 'start', 'end', + 'width', 'height', + 'legend', + 'template', 'default_template', + 'bgcolor', 'fgcolor', + 'majorGridLineColor', 'minorGridLineColor' + ]; + + /** + * The URL parameters for metrics filtering + * + * @var UrlParams + */ + protected $filterParams; + + /** + * The URL parameters for the graph + * + * @var string[] + */ + protected $graphParams = []; + + public function init() + { + parent::init(); + + $this->filterParams = clone $this->getRequest()->getUrl()->getParams(); + + foreach ($this->graphParamsNames as $paramName) { + $this->graphParams[$paramName] = $this->filterParams->shift($paramName); + } + } + + public function hostAction() + { + $hostName = $this->filterParams->getRequired('host.name'); + $checkCommandColumn = '_host_' . Graphs::getObscuredCheckCommandCustomVar(); + $host = $this->applyMonitoringRestriction( + $this->backend->select()->from('hoststatus', ['host_check_command', $checkCommandColumn]) + ) + ->where('host_name', $hostName) + ->limit(1) // just to be sure to save a few CPU cycles + ->fetchRow(); + + if ($host === false) { + throw new HttpNotFoundException('%s', $this->translate('No such host')); + } + + $this->supplyImage(new Host($this->backend, $hostName), $host->host_check_command, $host->$checkCommandColumn); + } + + public function serviceAction() + { + $hostName = $this->filterParams->getRequired('host.name'); + $serviceName = $this->filterParams->getRequired('service.name'); + $checkCommandColumn = '_service_' . Graphs::getObscuredCheckCommandCustomVar(); + $service = $this->applyMonitoringRestriction( + $this->backend->select()->from('servicestatus', ['service_check_command', $checkCommandColumn]) + ) + ->where('host_name', $hostName) + ->where('service_description', $serviceName) + ->limit(1) // just to be sure to save a few CPU cycles + ->fetchRow(); + + if ($service === false) { + throw new HttpNotFoundException('%s', $this->translate('No such service')); + } + + $this->supplyImage( + new Service($this->backend, $hostName, $serviceName), + $service->service_check_command, + $service->$checkCommandColumn + ); + } + + /** + * Do all monitored object type independend actions + * + * @param MonitoredObject $object The object to render the graphs for + * @param string $checkCommand The check command of the object we supply an image for + * @param string|null $obscuredCheckCommand The "real" check command (if any) of the object we + * display graphs for + */ + protected function supplyImage($object, $checkCommand, $obscuredCheckCommand) + { + if (isset($this->graphParams['default_template'])) { + $urlParam = 'default_template'; + $templates = $this->getAllTemplates()->getDefaultTemplates(); + } else { + $urlParam = 'template'; + $templates = $this->getAllTemplates()->getTemplates( + $obscuredCheckCommand === null ? $checkCommand : $obscuredCheckCommand + ); + } + + if (! isset($templates[$this->graphParams[$urlParam]])) { + throw new HttpNotFoundException($this->translate('No such template')); + } + + $charts = $templates[$this->graphParams[$urlParam]]->getCharts( + static::getMetricsDataSource(), + $object, + array_map('rawurldecode', $this->filterParams->toArray(false)) + ); + + switch (count($charts)) { + case 0: + throw new HttpNotFoundException($this->translate('No such graph')); + + case 1: + $charts[0] + ->setFrom($this->graphParams['start']) + ->setUntil($this->graphParams['end']) + ->setWidth($this->graphParams['width']) + ->setHeight($this->graphParams['height']) + ->setBackgroundColor($this->graphParams['bgcolor']) + ->setForegroundColor($this->graphParams['fgcolor']) + ->setMajorGridLineColor($this->graphParams['majorGridLineColor']) + ->setMinorGridLineColor($this->graphParams['minorGridLineColor']) + ->setShowLegend((bool) $this->graphParams['legend']) + ->serveImage($this->getResponse()); + + // not falling through, serveImage exits + default: + throw new HttpBadRequestException('%s', $this->translate( + 'Graphite Web yields more than one metric for the given filter.' + . ' Please specify a more precise filter.' + )); + } + } +} |