Attempt to bootstrap Drupal

drupal bootstrap.php

<?php
  # Set username and password
  $username = 'NAME';
  $password = 'PASSWORD';

  # Drupal Bootstrap code
  define('DRUPAL_ROOT', '/var/aegir/platforms/drupal_7');
  require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
  
  # My attempt at injecting variables for multisite stuff to fit aegir
  $variables['url'] = 'http://mysite.com/';
  
    $databases['default']['default'] = array(
    'driver' => 'mysql',
    'database' => 'mydb',
    'username' => 'myuser',
    'password' => 'mypass',
    'host' => 'localhost',
    'port' => '3306',
  );
  
  $db_url['default'] = 'mysql://myuser:mypass@localhost:3306/mydb';

  drupal_override_server_variables($variables);

  # Try to bootstrap
  drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);

  # Try to login
  $uid = FALSE;
  $account = user_load_by_name($username);
  if ($account) {
    // Allow alternate password hashing schemes.
    require_once DRUPAL_ROOT . '/' . variable_get('password_inc', 'includes/password.inc');
    if (user_check_password($password, $account)) {
      // Successful authentication.
      $uid = $account->uid;

     // Update user to new password scheme if needed.
      if (user_needs_new_hash($account)) {
        user_save($account, array('pass' => $password));
      }
    }
  }
  debug($uid);