Auto-activating Jetpack modules

auto-activate.php

<?php
/*
 * Plugin Name: DS.LC Force Jetpack Modules
 * Plugin URI: http://jetpack.me
 * Description: Custom plugin to enable exact set of Jetpack Modules
 * Author: Brandon Kraft
 * Version: 1.0.0
 * Author URI: https://kraft.im/
 * License: GPL2+
 */

function dslc_auto_activate_sso( $modules ) {
    if ( ! in_array( 'sso', $modules ) ) {
      $modules[] = 'sso';
    }
    return $modules;
}

add_filter( 'jetpack_get_default_modules', 'dslc_auto_activate_sso' );