site automation code put in a separate function and node structure for Mobile Website has been changed

gistfile1.php

<?php

/**
 * Implementation of hook_ca_action().
 */
function webmobilize_ca_action() {
  $order_arg = array(
      '#entity' => 'uc_order',
      '#title' => t('Order'),
  );

  $actions['webmobilize_order_email_invoice'] = array(
      '#title' => t('Email an order invoice (WebMobilize Custom)'),
      '#category' => t('Order'),
      '#callback' => 'webmobilize_order_action_email_invoice',
      '#arguments' => array(
          'order' => $order_arg,
      ),
  );

  return $actions;
}

/**
 * Email an invoice.
 *
 * The subject and addresses fields take order token replacements.
 *
 * @see webmobilize_order_action_email_invoice_form()
 */
function webmobilize_order_action_email_invoice($order, $settings) {
  // Token replacements for the subject and body
  $settings['replacements'] = array(
      'global' => NULL,
      'order' => $order,
  );

  $recipients = array();
  $addresses = token_replace_multiple($settings['addresses'], $settings['replacements']);
  $sender = token_replace_multiple($settings['from'], $settings['replacements']);

  foreach (explode("\n", $addresses) as $address) {
    $recipients[] = trim($address);
  }

  $settings['message'] = theme('uc_order', array('order' => $order, 'op' => $settings['view'], 'template' => $settings['template']));

  if (empty($recipients)) {
    watchdog('ca', 'Attempted to e-mail an invoice with no recipient.', array(), WATCHDOG_ERROR);
    return;
  }

  foreach ($recipients as $email) {
    $sent = drupal_mail('uc_order', 'action-mail', $email, uc_store_mail_recipient_language($email), $settings, empty($sender) ? uc_store_email_from() : $sender);

    if (!$sent['result']) {
      watchdog('ca', 'Attempt to e-mail invoice for order @order_id to @email failed.', array('@email' => $email, '@order_id' => $order->order_id), WATCHDOG_ERROR);
    }
  }
}

/**
 * @see webmobilize_order_action_email_invoice()
 */
function webmobilize_order_action_email_invoice_form($form_state, $settings = array()) {
  $form['from'] = array(
      '#type' => 'textfield',
      '#title' => t('Sender'),
      '#default_value' => isset($settings['from']) ? $settings['from'] : uc_store_email_from(),
      '#description' => t('The "From" address.'),
      '#required' => TRUE,
  );
  $form['addresses'] = array(
      '#type' => 'textarea',
      '#title' => t('Recipients'),
      '#default_value' => isset($settings['addresses']) ? $settings['addresses'] : '[order-email]',
      '#description' => t('Enter the email addresses to receive the notifications, one on each line. You may use order tokens for dynamic email addresses.'),
      '#required' => TRUE,
  );
  $form['subject'] = array(
      '#type' => 'textfield',
      '#title' => t('Subject'),
      '#default_value' => $settings['subject'],
      '#required' => TRUE,
  );

  $form['token_help'] = array(
      '#type' => 'fieldset',
      '#title' => t('Replacement patterns'),
      '#description' => t('You can make use of the replacement patterns in the recipients, the subject, and the template file.'),
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
  );
  foreach (array('global', 'order') as $name) {
    $form['token_help'][$name] = array(
        '#type' => 'fieldset',
        '#title' => t('@name replacement patterns', array('@name' => drupal_ucfirst($name))),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
    );
    // TODO Please change this theme call to use an associative array for the $variables parameter.
    $form['token_help'][$name]['content'] = array(
        '#value' => theme('token_help', $name),
    );
  }

  $form['template'] = array(
      '#type' => 'select',
      '#title' => t('Invoice template'),
      '#description' => t('Select the invoice template to use for this email.'),
      '#options' => uc_order_template_options(),
      '#default_value' => $settings['template'],
  );
  $form['view'] = array(
      '#type' => 'radios',
      '#title' => t('Included information'),
      '#options' => array(
          'print' => t('Show the business header and shipping method.'),
          'admin-mail' => t('Show all of the above plus the help text, email text, and store footer.'),
          'checkout-mail' => t('Show all of the above plus the "thank you" message.'),
      ),
      '#default_value' => $settings['view'],
  );

  return $form;
}

function webmobilize_uc_order($op, $order, $arg2) {
  $lang = LANGUAGE_NONE;
  $nids = array(175, 174, 173);

  foreach ($order->products as $product) {
    if (in_array($product->nid, $nids)) {
      // initiate website creation
      $domain = create_website($order);
      $node = new StdClass();
      $node->type = 'mobile_website';
      $node->title = $order_id;
      $node->field_mobile_url[$lang][]['value'] = $domain;
      $node = node_submit($node);
      node_save($node);
    }
  }
}

function create_website($order) {
  $name = $order->billing_first_name;
  //??????$desiredDomain = $form_state['values']['desired_domain_name'];
  $id = str_rand(5);
  $domain = sprintf("%s.webmobilize.mobi", $id);
  //??????$passwordWebsite = $form_state['values']['password'];
  $password = str_rand(20);
  $email = $order->primary_email;
  $dbname = sprintf("%s_%s_%s", $order->uid, $product->nid, $id);
  $queryBuild = sprintf("GRANT ALL PRIVILEGES  ON %s.* TO '%s'@'localhost' IDENTIFIED BY '%s' ", $dbname, $dbname, $password);
  $query = db_query($queryBuild);
  $result = $query->execute();
  $command = sprintf('drush site-install standard --yes --db-url=mysql://%s:%s@localhost:3306/%s --account-name=%s --account-pass=%s --account-mail=%s --site-name=%s --sites-subdir=%s', $dbname, $password, $dbname, $name, $passwordWebsite, $email, $domain, $domain);
  exec($command);
  $symlinkDestinationLocation = sprintf("/var/www/newProject/webmobi/sites/%s", $desiredDomain);
  $symlinkTargetLocation = sprintf("/var/www/newProject/webmobi/sites/%s", $domain);
  symlink($symlinkTargetLocation, $symlinkDestinationLocation);
  $editHosts = "/etc/hosts";
  if (!($fp = fopen($editHosts, "r+")))
    exit("unable to open the file");
  $buffer = fread($fp, filesize($editHosts));
  $add = sprintf("127.0.0.1   %s", $desiredDomain);
  $add.= sprintf("\n #flag\n");
  $new = str_replace("#flag", $add, $buffer);
  rewind($fp);
  fwrite($fp, "$new");
  fclose($fp);
  $runScript = "/var/www/siteScript.sh";
  if (!($fp = fopen($runScript, "w+")))
    exit("unable to open the script file");
  $bufferScript = fread($fp, filesize($runScript));
  $addScript = sprintf("#!/bin/bash\n");
  $addScript.= sprintf("a2ensite %s", $desiredDomain);
  $addScript.= sprintf("\n sudo service apache2 reload");
  fwrite($fp, "$addScript");
  fclose($fp);
  $editVirtualHost = sprintf("/etc/apache2/sites-available/%s", $desiredDomain);
  if (!($fp = fopen($editVirtualHost, "a+")))
    exit("unable to open the file");
  $a = sprintf("\n<VirtualHost 127.0.0.1:80>");
  $a.= "\n";
  $a.= sprintf("  DocumentRoot /var/www/newProject/drupal_multisite");
  $a.= sprintf("\n  ServerName %s", $desiredDomain);
  $a.= sprintf("\n  ServerAlias %s", $domain);
  $a.= sprintf("\n</VirtualHost>");
  fwrite($fp, "$a");
  fclose($fp);
  exec("sudo /var/www/siteScript.sh");
  
  return $domain;
}

function str_rand($length = 8, $seeds = 'alphanum') {
// Possible seeds

  $seedings['alphanum'] = 'abcdefghijklmnopqrstuvwqyz0123456789';
// Choose seed
  if (isset($seedings[$seeds])) {
    $seeds = $seedings[$seeds];
  }

// Seed generator
  list($usec, $sec) = explode(' ', microtime());
  $seed = (float) $sec + ((float) $usec * 100000);
  mt_srand($seed);

// Generate
  $str = '';
  $seeds_count = strlen($seeds);

  for ($i = 0; $length > $i; $i++) {
    $str .= $seeds{mt_rand(0, $seeds_count - 1)};
  }

  return $str;
}