serverinfo.php

<?php

declare(strict_types=1);

use Fschmtt\Keycloak\Builder;
use Fschmtt\Keycloak\OAuth\GrantType;

require_once __DIR__ . '/../vendor/autoload.php';

$keycloak = (new Builder())
    ->withBaseUrl($_SERVER['KEYCLOAK_BASE_URL'] ?? 'http://keycloak:8080')
    ->withGrantType(GrantType::password('admin', 'admin'))
    ->build();

$serverInfo = $keycloak->serverInfo()->get();

echo sprintf(
    'Keycloak %s is running on %s/%s (%s) with %s/%s since %s and is currently using %s of %s (%s %%) memory.',
    $serverInfo->getSystemInfo()->getVersion(),
    $serverInfo->getSystemInfo()->getOsName(),
    $serverInfo->getSystemInfo()->getOsVersion(),
    $serverInfo->getSystemInfo()->getOsArchitecture(),
    $serverInfo->getSystemInfo()->getJavaVm(),
    $serverInfo->getSystemInfo()->getJavaVersion(),
    $serverInfo->getSystemInfo()->getUptime(),
    $serverInfo->getMemoryInfo()->getUsedFormated(),
    $serverInfo->getMemoryInfo()->getTotalFormated(),
    100 - $serverInfo->getMemoryInfo()->getFreePercentage(),
);