Move vhost add-ons for LE ACME challenges path to submodule

Related issue: https://www.drupal.org/node/2731605

README.md

@@ -41,7 +41,7 @@ You could switch it back and forth to demo/live mode by adding and deleting the
 
 This module will create all required directories it needs to operate on the first attempt to run site Verify task with SSL option enabled, but you may want to create at least `[aegir_root]/tools/le/.ctrl/` before running it for the first time, so the demo mode will be active on the first attempt.
 
-Read the task log lines which start with `[provision_hosting_le]` prefix for more information.
+Read the task log lines which start with `[hosting_le]` prefix for more information.
 
 Exceptions
 ==========

hosting_le_vhost/drush/Provision/Service/Le.php

@@ -0,0 +1,10 @@
+<?php
+
+/**
+ * @file
+ * Does some of the things.
+ */
+
+class Provision_Service_Le extends Provision_Service {
+  public $service = 'Le';
+}

hosting_le_vhost/drush/hosting_le_vhost.drush.inc

@@ -0,0 +1,88 @@
+<?php
+
+/**
+ * Register our directory as a place to find provision classes.
+ */
+function hosting_le_vhost_register_autoload() {
+  static $loaded = FALSE;
+  if (!$loaded) {
+    $loaded = TRUE;
+    $list = drush_commandfile_list();
+    $provision_dir = dirname($list['provision']);
+    if (is_readable($provision_dir . '/provision.inc')) {
+      include_once($provision_dir . '/provision.inc');
+      include_once($provision_dir . '/provision.service.inc');
+      if (function_exists('provision_autoload_register_prefix')) {
+        provision_autoload_register_prefix('Provision_', dirname(__FILE__));
+      }
+    }
+  }
+}
+
+/**
+ * Implements hook_drush_init().
+ */
+function hosting_le_vhost_drush_init() {
+  hosting_le_vhost_register_autoload();
+}
+
+/**
+ *  Implements hook_provision_services().
+ */
+function hosting_le_vhost_provision_services() {
+  hosting_le_vhost_register_autoload();
+  return array('Le' => NULL);
+}
+
+/*
+ * Implementation of hook_provision_nginx_vhost_config()
+ */
+function hosting_le_vhost_provision_nginx_vhost_config($uri, $data) {
+
+  $aegir_root = d('@server_master')->aegir_root;
+
+  if (d()->type == 'site' && d()->ssl_enabled) {
+
+    $lines = array();
+
+    $lines[] = "";
+    $lines[] = "  ###";
+    $lines[] = "  ### Allow access to letsencrypt.org ACME challenges directory.";
+    $lines[] = "  ###";
+    $lines[] = "  location ^~ /.well-known/acme-challenge {";
+    $lines[] = "    alias $aegir_root/tools/le/.acme-challenges;";
+    $lines[] = "    try_files \$uri 404;";
+    $lines[] = "  }";
+    $lines[] = "\n";
+
+    return implode("\n", $lines);
+  }
+
+  return '';
+}
+
+/*
+ * Implementation of hook_provision_apache_vhost_config()
+ */
+function hosting_le_vhost_provision_apache_vhost_config($uri, $data) {
+
+  $aegir_root = d('@server_master')->aegir_root;
+
+  if (d()->type == 'site' && d()->ssl_enabled) {
+
+    $lines = array();
+
+    $lines[] = "";
+    $lines[] = "  Alias /.well-known/acme-challenge $aegir_root/tools/le/.acme-challenges";
+    $lines[] = "";
+    $lines[] = "  # Allow access to letsencrypt.org ACME challenges directory.";
+    $lines[] = "  <Directory \"$aegir_root/tools/le/.acme-challenges\">";
+    $lines[] = "    Require all granted";
+    $lines[] = "  </Directory>";
+    $lines[] = "\n";
+
+    return implode("\n", $lines);
+  }
+
+  return '';
+}

hosting_le_vhost/hosting.feature.le_vhost.inc

@@ -0,0 +1,22 @@
+<?php
+
+// This file is necessary for the drush file to be detected.
+
+/**
+ * Register a hosting feature with Aegir.
+ *
+ * This will be used to generate the 'admin/hosting' page.
+ *
+ * @return array
+ *   associative array indexed by feature key.
+ */
+function hosting_le_vhost_hosting_feature() {
+  $features['hosting_le_vhost'] = array(
+    'title' => t('Hosting LE Vhost'),
+    'description' => t("Extends vhosts with ACME challenge paths for Let's Encrypt."),
+    'status' => HOSTING_FEATURE_DISABLED,
+    'module' => 'hosting_le_vhost',
+    'group' => 'experimental',
+  );
+  return $features;
+}

hosting_le_vhost/hosting_le_vhost.info

@@ -0,0 +1,6 @@
+name = Hosting LE Vhost
+description = Extends vhosts with ACME challenge paths for Let's Encrypt
+package = Hosting
+dependencies[] = hosting_ssl
+dependencies[] = hosting_le
+core = 7.x

hosting_le_vhost/hosting_le_vhost.module

@@ -0,0 +1,2 @@
+<?php
+