91 lines
2.3 KiB
PHP
91 lines
2.3 KiB
PHP
<?php
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ini_set('display_errors', 1);
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ini_set('display_startup_errors', 1);
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error_reporting(E_ALL);
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$host = getenv('MYSQL_HOST') ?: 'localhost';
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$db = 'testfill';
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$user = getenv('MYSQL_USER') ?: 'root';
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$pass = getenv('MYSQL_PASSWORD') ?: '';
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$charset = 'utf8mb4';
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// Setup PDO
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$dsn = "mysql:host=$host;charset=$charset";
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$options = [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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];
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try {
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$pdo = new PDO($dsn, $user, $pass, $options);
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$pdo->exec("CREATE DATABASE IF NOT EXISTS `$db`");
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$pdo->exec("USE `$db`");
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$pdo->exec("
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CREATE TABLE IF NOT EXISTS filler (
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id INT AUTO_INCREMENT PRIMARY KEY,
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data LONGBLOB
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)
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");
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} catch (\PDOException $e) {
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die("Database setup failed: " . $e->getMessage());
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}
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// Disk usage (PVC mount path)
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$mountPath = '/var/lib/mysql'; // Change this if PVC is mounted elsewhere
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$freeBytes = disk_free_space($mountPath);
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$totalBytes = disk_total_space($mountPath);
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$freeGB = round($freeBytes / (1024 ** 3), 2);
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$totalGB = round($totalBytes / (1024 ** 3), 2);
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$usedGB = round(($totalBytes - $freeBytes) / (1024 ** 3), 2);
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$message = '';
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if ($_SERVER['REQUEST_METHOD'] === 'POST'&& isset($_POST['fill'])) {
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$chunkSize = 1024 * 1024; // 1MB
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$iterations = 1024; // 1GB total
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$data = str_repeat(random_bytes(1024), 1024); // ~1MB binary blob
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$stmt = $pdo->prepare("INSERT INTO filler (data) VALUES (:data)");
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for ($i = 0; $i < $iterations; $i++) {
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$stmt->execute([':data' => $data]);
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}
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clearstatcache();
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$freeBytes = disk_free_space($mountPath);
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$freeGB = round($freeBytes / (1024 ** 3), 2);
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$usedGB = round(($totalBytes - $freeBytes) / (1024 ** 3), 2);
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$message = "<p style='color: green;'>✅ 1GB inserted. Disk usage updated.</p>";
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}
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<title>Volume Filler</title>
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</head>
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<body>
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<h1>Kubernetes PVC Filler</h1>
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<?= $message ?>
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<ul>
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<li>Total PVC Space: <?= $totalGB ?> GB</li>
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<li>Used PVC Space: <?= $usedGB ?> GB</li>
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<li>Free PVC Space: <?= $freeGB ?> GB</li>
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</ul>
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<form method="post">
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<button name="fill" value="1" type="submit">Insert 1GB into DB</button>
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</form>
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</body>
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</html>
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