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<?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\Util\IcingadbUtils;
use Icinga\Module\Graphite\Web\Widget\Graphs;
use Icinga\Module\Icingadb\Model\Host;
use Icinga\Module\Icingadb\Model\Service;
use Icinga\Web\Controller;
use Icinga\Web\UrlParams;
use ipl\Orm\Model;
use ipl\Stdlib\Filter;
class GraphController extends Controller
{
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 serviceAction()
{
$hostName = $this->filterParams->getRequired('host.name');
$serviceName = $this->filterParams->getRequired('service.name');
$icingadbUtils = IcingadbUtils::getInstance();
$query = Service::on($icingadbUtils->getDb())
->with('state')
->with('host');
$query->filter(Filter::all(
Filter::equal('service.name', $serviceName),
Filter::equal('service.host.name', $hostName)
));
$icingadbUtils->applyRestrictions($query);
/** @var Service $service */
$service = $query->first();
if ($service === null) {
throw new HttpNotFoundException($this->translate('No such service'));
}
$checkCommandColumn = $service->vars[Graphs::getObscuredCheckCommandCustomVar()] ?? null;
$this->supplyImage(
$service,
$service->checkcommand_name,
$checkCommandColumn
);
}
public function hostAction()
{
$hostName = $this->filterParams->getRequired('host.name');
$icingadbUtils = IcingadbUtils::getInstance();
$query = Host::on($icingadbUtils->getDb())->with('state');
$query->filter(Filter::equal('host.name', $hostName));
$icingadbUtils->applyRestrictions($query);
/** @var Host $host */
$host = $query->first();
if ($host === null) {
throw new HttpNotFoundException($this->translate('No such host'));
}
$checkCommandColumn = $host->vars[Graphs::getObscuredCheckCommandCustomVar()] ?? null;
$this->supplyImage(
$host,
$host->checkcommand_name,
$checkCommandColumn
);
}
/**
* Do all monitored object type independent actions
*
* @param Model $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((int) $this->graphParams['width'])
->setHeight((int) $this->graphParams['height'])
->setBackgroundColor($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.'
));
}
}
}
|
