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|
<?php
namespace Engelsystem\Controllers\Metrics;
use Engelsystem\Config\Config;
use Engelsystem\Controllers\BaseController;
use Engelsystem\Http\Exceptions\HttpForbidden;
use Engelsystem\Http\Request;
use Engelsystem\Http\Response;
class Controller extends BaseController
{
/** @var Config */
protected $config;
/** @var MetricsEngine */
protected $engine;
/** @var Request */
protected $request;
/** @var Response */
protected $response;
/** @var Stats */
protected $stats;
/**
* @param Response $response
* @param MetricsEngine $engine
* @param Config $config
* @param Request $request
* @param Stats $stats
*/
public function __construct(
Response $response,
MetricsEngine $engine,
Config $config,
Request $request,
Stats $stats
) {
$this->config = $config;
$this->engine = $engine;
$this->request = $request;
$this->response = $response;
$this->stats = $stats;
}
/**
* @return Response
*/
public function metrics()
{
$now = microtime(true);
$this->checkAuth();
$data = [
$this->config->get('app_name') . ' stats',
'users' => [
'type' => 'gauge',
['labels' => ['state' => 'incoming'], 'value' => $this->stats->newUsers()],
['labels' => ['state' => 'arrived', 'working' => 'no'], 'value' => $this->stats->arrivedUsers(false)],
['labels' => ['state' => 'arrived', 'working' => 'yes'], 'value' => $this->stats->arrivedUsers(true)],
],
'users_working' => [
'type' => 'gauge',
['labels' => ['freeloader' => false], $this->stats->currentlyWorkingUsers(false)],
['labels' => ['freeloader' => true], $this->stats->currentlyWorkingUsers(true)],
],
'work_seconds' => [
'type' => 'gauge',
['labels' => ['state' => 'done'], 'value' => $this->stats->workSeconds(true, false)],
['labels' => ['state' => 'planned'], 'value' => $this->stats->workSeconds(false, false)],
['labels' => ['state' => 'freeloaded'], 'value' => $this->stats->workSeconds(null, true)],
],
'registration_enabled' => ['type' => 'gauge', $this->config->get('registration_enabled')],
];
$data['scrape_duration_seconds'] = [
'type' => 'gauge',
'help' => 'Duration of the current request',
microtime(true) - $this->request->server->get('REQUEST_TIME_FLOAT', $now)
];
return $this->response
->withHeader('Content-Type', 'text/plain; version=0.0.4')
->withContent($this->engine->get('/metrics', $data));
}
/**
* @return Response
*/
public function stats()
{
$this->checkAuth(true);
$data = [
'user_count' => $this->stats->newUsers() + $this->stats->arrivedUsers(),
'arrived_user_count' => $this->stats->arrivedUsers(),
'done_work_hours' => round($this->stats->workSeconds(true) / 60 / 60, 0),
'users_in_action' => $this->stats->currentlyWorkingUsers(),
];
return $this->response
->withHeader('Content-Type', 'application/json')
->withContent(json_encode($data));
}
/**
* Ensure that the if the request is authorized
*
* @param bool $isJson
*/
protected function checkAuth($isJson = false)
{
$apiKey = $this->config->get('api_key');
if (empty($apiKey) || $this->request->get('api_key') == $apiKey) {
return;
}
$message = 'The api_key is invalid';
$headers = [];
if ($isJson) {
$message = json_encode(['error' => $message]);
$headers['Content-Type'] = 'application/json';
}
throw new HttpForbidden($message, $headers);
}
}
|
