openvpn: Use new setup mechanism

plinth/modules/openvpn/__init__.py

@@ -25,23 +25,42 @@ from plinth import actions
 from plinth import action_utils
 from plinth import cfg
 from plinth import service as service_module
+from plinth.utils import format_lazy
 
 
+version = 1
+
 depends = ['apps']
 
+title = _('Virtual Private Network (OpenVPN)')
+
+description = [
+    format_lazy(
+        _('Virtual Private Network (VPN) is a technique for securely '
+          'connecting two devices in order to access resources of a '
+          'private network.  While you are away from home, you can connect '
+          'to your {box_name} in order to join your home network and '
+          'access private/internal services provided by {box_name}. '
+          'You can also access the rest of the Internet via {box_name} '
+          'for added security and anonymity.'), box_name=_(cfg.box_name))
+]
+
 service = None
 
 
 def init():
     """Intialize the OpenVPN module."""
     menu = cfg.main_menu.get('apps:index')
-    menu.add_urlname(_('Virtual Private Network (OpenVPN)'), 'glyphicon-lock',
-                     'openvpn:index', 850)
+    menu.add_urlname(title, 'glyphicon-lock', 'openvpn:index', 850)
 
     global service
     service = service_module.Service(
-        'openvpn', _('OpenVPN'), ['openvpn'],
-        is_external=True, enabled=is_enabled())
+        'openvpn', title, ['openvpn'], is_external=True, enabled=is_enabled())
+
+
+def setup(helper, old_version=None):
+    """Install and configure the module."""
+    helper.install(['openvpn', 'easy-rsa'])
 
 
 def is_enabled():

plinth/modules/openvpn/templates/openvpn.html

@@ -1,4 +1,4 @@
-{% extends "base.html" %}
+{% extends "app.html" %}
 {% comment %}
 #
 # This file is part of Plinth.
@@ -30,21 +30,7 @@
 {% endblock %}
 
 
-{% block content %}
-
-  <h2>{% trans "Virtual Private Network (OpenVPN)" %}</h2>
-
-  <p>
-    {% blocktrans trimmed %}
-      Virtual Private Network (VPN) is a technique for securely
-      connecting two devices in order to access resources of a
-      private network.  While you are away from home, you can connect
-      to your {{ box_name }} in order to join your home network and
-      access private/internal services provided by {{ box_name }}.
-      You can also access the rest of the Internet via {{ box_name }}
-      for added security and anonymity.
-    {% endblocktrans %}
-  </p>
+{% block configuration %}
 
   {% if status.is_setup %}
 

plinth/modules/openvpn/views.py

@@ -29,7 +29,6 @@ import logging
 
 from .forms import OpenVpnForm
 from plinth import actions
-from plinth import package
 from plinth.modules import openvpn
 from plinth.modules.config import config
 
@@ -38,7 +37,6 @@ logger = logging.getLogger(__name__)
 setup_process = None
 
 
-@package.required(['openvpn', 'easy-rsa'])
 def index(request):
     """Serve configuration page."""
     status = get_status()
@@ -59,7 +57,8 @@ def index(request):
         form = OpenVpnForm(initial=status, prefix='openvpn')
 
     return TemplateResponse(request, 'openvpn.html',
-                            {'title': _('Virtual Private Network (OpenVPN)'),
+                            {'title': openvpn.title,
+                             'description': openvpn.description,
                              'status': status,
                              'form': form})