Merge pull request 'feat:php program to fill pvc and report database usage' (#29) from pvc-filler into master

Reviewed-on: https://git.nationtech.io/NationTech/harmony/pulls/29
2025-05-02 16:06:46 +00:00 · 2025-05-02 16:06:46 +00:00 · d8e8a49745
commit d8e8a49745
parent 90b80b24bc a7ba9be486
1 changed files with 83 additions and 1 deletions
--- a/examples/lamp/php/index.php
+++ b/examples/lamp/php/index.php
@ -1,3 +1,85 @@
 <?php
-print_r("Hello this is from PHP")
+
+ini_set('display_errors', 1);
+error_reporting(E_ALL);
+
+$host = getenv('MYSQL_HOST') ?: '';
+$user = getenv('MYSQL_USER') ?: 'root';
+$pass = getenv('MYSQL_PASSWORD') ?: '';
+$db   = 'testfill';
+$charset = 'utf8mb4';
+
+$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("❌ DB connection failed: " . $e->getMessage());
+}
+
+function getDbStats($pdo, $db) {
+    $stmt = $pdo->query("
+        SELECT 
+            ROUND(SUM(data_length + index_length) / 1024 / 1024 / 1024, 2) AS total_size_gb,
+            SUM(table_rows) AS total_rows
+        FROM information_schema.tables
+        WHERE table_schema = '$db'
+    ");
+    $result = $stmt->fetch();
+    $sizeGb = $result['total_size_gb'] ?? '0';
+    $rows = $result['total_rows'] ?? '0';
+    $avgMb = ($rows > 0) ? round(($sizeGb * 1024) / $rows, 2) : 0;
+    return [$sizeGb, $rows, $avgMb];
+}
+
+list($dbSize, $rowCount, $avgRowMb) = getDbStats($pdo, $db);
+
+$message = '';
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['fill'])) {
+    $iterations = 1024;
+    $data = str_repeat(random_bytes(1024), 1024); // 1MB
+    $stmt = $pdo->prepare("INSERT INTO filler (data) VALUES (:data)");
+
+    for ($i = 0; $i < $iterations; $i++) {
+        $stmt->execute([':data' => $data]);
+    }
+
+    list($dbSize, $rowCount, $avgRowMb) = getDbStats($pdo, $db);
+
+    $message = "<p style='color: green;'>✅ 1GB inserted into MariaDB successfully.</p>";
+}
 ?>
+
+<!DOCTYPE html>
+<html>
+<head>
+    <title>MariaDB Filler</title>
+</head>
+<body>
+    <h1>MariaDB Storage Filler</h1>
+    <?= $message ?>
+    <ul>
+        <li><strong>📦 MariaDB Used Size:</strong> <?= $dbSize ?> GB</li>
+        <li><strong>📊 Total Rows:</strong> <?= $rowCount ?></li>
+        <li><strong>📐 Average Row Size:</strong> <?= $avgRowMb ?> MB</li>
+    </ul>
+
+    <form method="post">
+        <button name="fill" value="1" type="submit">Insert 1GB into DB</button>
+    </form>
+</body>
+</html>
+