feat: added app to fill a pvc in 1GB increments

2025-04-29 15:47:29 -04:00 · 2025-04-29 15:47:29 -04:00 · d7c17ceef9
commit d7c17ceef9
parent db9c8d83e6
1 changed files with 88 additions and 1 deletions
--- a/examples/lamp/php/index.php
+++ b/examples/lamp/php/index.php
@ -1,3 +1,90 @@
 <?php
-print_r("Hello this is from PHP")
+
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL);
+
+$host = getenv('MYSQL_HOST') ?: 'localhost';
+$db   = 'testfill';
+$user = getenv('MYSQL_USER') ?: 'root';
+$pass = getenv('MYSQL_PASSWORD') ?: '';
+$charset = 'utf8mb4';
+
+// Setup PDO
+$dsn = "mysql:host=$host;charset=$charset";
+$options = [
+    PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+];
+
+try {
+    $pdo = new PDO($dsn, $user, $pass, $options);
+    $pdo->exec("CREATE DATABASE IF NOT EXISTS `$db`");
+    $pdo->exec("USE `$db`");
+    $pdo->exec("
+        CREATE TABLE IF NOT EXISTS filler (
+            id INT AUTO_INCREMENT PRIMARY KEY,
+            data LONGBLOB
+        )
+    ");
+} catch (\PDOException $e) {
+    die("Database setup failed: " . $e->getMessage());
+}
+
+// Disk usage (PVC mount path)
+$mountPath = '/var/lib/mysql'; // Change this if PVC is mounted elsewhere
+$freeBytes = disk_free_space($mountPath);
+$totalBytes = disk_total_space($mountPath);
+$freeGB = round($freeBytes / (1024 ** 3), 2);
+$totalGB = round($totalBytes / (1024 ** 3), 2);
+$usedGB = round(($totalBytes - $freeBytes) / (1024 ** 3), 2);
+
+$message = '';
+
+
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST'&& isset($_POST['fill'])) {
+    
+
+
+    $chunkSize = 1024 * 1024; // 1MB
+    $iterations = 1024;       // 1GB total
+    $data = str_repeat(random_bytes(1024), 1024); // ~1MB binary blob
+
+    $stmt = $pdo->prepare("INSERT INTO filler (data) VALUES (:data)");
+
+    for ($i = 0; $i < $iterations; $i++) {
+        $stmt->execute([':data' => $data]);
+    } 
+
+
+    clearstatcache();
+    $freeBytes = disk_free_space($mountPath);
+    $freeGB = round($freeBytes / (1024 ** 3), 2);
+    $usedGB = round(($totalBytes - $freeBytes) / (1024 ** 3), 2);
+
+    $message = "<p style='color: green;'>✅ 1GB inserted. Disk usage updated.</p>";
+}
 ?>
+
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Volume Filler</title>
+</head>
+<body>
+    <h1>Kubernetes PVC Filler</h1>
+    <?= $message ?>
+    <ul>
+        <li>Total PVC Space: <?= $totalGB ?> GB</li>
+        <li>Used PVC Space: <?= $usedGB ?> GB</li>
+        <li>Free PVC Space: <?= $freeGB ?> GB</li>
+    </ul>
+
+    <form method="post">
+        <button name="fill" value="1" type="submit">Insert 1GB into DB</button>
+    </form>
+</body>
+</html>
+
+