remove non configurable fields and default them against the backend server object during init.

http/http.drush.inc

@@ -19,7 +19,12 @@ class provisionService_http extends provisionService {
   function init() {
     parent::init();
     // System account
-    $this->server->setProperty('web_group', _provision_default_web_group());
+    if ($this->server->name == '@server_localhost') {
+      $this->server->setProperty('web_group', _provision_default_web_group());
+    }
+    else {
+      $this->server->web_group = d('@server_localhost')->web_group;
+    }
 
     // Redirection urls
     $this->server->setProperty('web_disable_url', $this->server->master_url .'/hosting/disabled');

install.hostmaster.inc

@@ -41,10 +41,7 @@ function drush_provision_hostmaster_install($site = NULL) {
   drush_backend_invoke_args("provision-save", array($server), array(
     'context_type' => 'server',
    // files
-    'file_service_type' => 'local',
     'aegir_root' => $aegir_root,
-    'config_path' => $aegir_root . '/config',
-    'backup_path' => $aegir_root . '/backups',
     'script_user' => drush_get_option('script_user', 'aegir'),
    // apache 
     'http_service_type' => 'apache',
@@ -52,7 +49,6 @@ function drush_provision_hostmaster_install($site = NULL) {
    // mysql
     'db_service_type' => 'mysql',
     'master_db' => $data['master_db'],
-
   ));
   provision_backend_invoke($server, 'provision-verify');
 

migrate.hostmaster.inc

@@ -20,11 +20,7 @@ function drush_provision_hostmaster_migrate_validate($site, $platform) {
   $server = '@server_localhost';
   drush_backend_invoke_args("provision-save", array($server), array(
     'context_type' => 'server',
-   // files
-    'file_service_type' => 'local',
     'aegir_root' => dirname(rtrim($data['config_path'], '/')),
-    'config_path' => $data['config_path'],
-    'backup_path' => $data['backup_path'],
     'script_user' => $data['script_user'],
    // apache 
     'http_service_type' => 'apache',

platform/migrate.provision.inc

@@ -74,6 +74,7 @@ function drush_provision_drupal_provision_migrate($platform) {
 function drush_provision_drupal_provision_migrate_rollback($platform) {
   drush_backend_invoke_args('provision-save', array(d()->name), array('platform' => drush_get_option('old_platform'), 'root' => null, 'uri' => null));
 }
+
 /**
  * Delete the old site directory and recreate the settings file
  */

provision.environment.inc

@@ -247,8 +247,6 @@ class provisionServer extends provisionEnvironment {
       '--remote_host' => 'server: host name; default localhost',
       '--script_user' => 'server: OS user name; default current user',
       '--aegir_root' => 'server: Aegir root; default /var/aegir',
-      '--backup_path' => 'server: Aegir backup path; default {aegir_root}/backup',
-      '--config_path' => 'server: Aegir configuration path; default {aegir_root}/config',
       '--master_url' => 'server: Hostmaster URL',
     );
     foreach (drush_command_invoke_all('provision_services') as $service => $default) {
@@ -273,8 +271,15 @@ class provisionServer extends provisionEnvironment {
 
     $this->type = 'server';
     $this->setProperty('remote_host', 'localhost');
-    $this->setProperty('script_user', get_current_user());
-    $this->setProperty('aegir_root', '/var/aegir');
+    if ($this->name == '@server_localhost') {
+      $this->setProperty('aegir_root', '/var/aegir');
+      $this->setProperty('script_user', get_current_user());
+    }
+    else {
+      $this->aegir_root = d('@server_localhost')->aegir_root;
+      $this->script_user = d('@server_localhost')->script_user;
+    }
+
     $this->backup_path = $this->aegir_root . '/backups';
     $this->config_path = $this->aegir_root . '/config/' . ltrim($this->name, '@');
     $this->include_path = $this->aegir_root . '/config/includes';