diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1cfaba4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+# Created from https://github.com/YunoHost/example_ynh/blob/master/.gitignore
+*~
+*.sw[op]
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..b499c28
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,14 @@
+language: python
+before_script:
+    - git clone --depth 1 git://github.com/YunoHost/package_linter ../package_linter && cd ../package_linter
+    - mv ../vpnclient_ynh vpnclient_ynh
+script:
+    - python -m json.tool vpnclient_ynh/manifest.json
+    - ./package_linter.py vpnclient_ynh
+notifications:
+  email: false
+  irc:
+    on_success: always
+    on_failure: always
+    channels:
+      - "irc.geeknode.org#labriqueinter.net-dev"
diff --git a/README.md b/README.md
index 9a668d7..45c79cd 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
-# VPN Client
+# VPN Client [![Build Status](https://travis-ci.org/labriqueinternet/vpnclient_ynh.svg?branch=master)](https://travis-ci.org/labriqueinternet/vpnclient_ynh) [![Integration level](https://dash.yunohost.org/integration/vpnclient.svg)](https://ci-apps.yunohost.org/jenkins/job/vpnclient%20%28Community%29/lastBuild/consoleFull)  
+[![Install LaBriqueInterNet VPNclient with YunoHost](https://install-app.yunohost.org/install-with-yunohost.png)](https://install-app.yunohost.org/?app=vpnclient)
+
 ## Overview
 
 VPN Client app for [YunoHost](http://yunohost.org/).
diff --git a/check_process b/check_process
new file mode 100644
index 0000000..1a88c4c
--- /dev/null
+++ b/check_process
@@ -0,0 +1,40 @@
+;; Test complet
+	; pre-install
+		echo -n "Si j'avais des commandes à exécuter ce serait ici "
+	; Manifest
+		domain="domain.tld"	(DOMAIN)
+		path="/vpnconfig"	(PATH)
+	; Checks
+		pkg_linter=1
+		setup_sub_dir=1
+		setup_root=0
+		setup_nourl=0
+		setup_private=1
+		setup_public=0
+		upgrade=1
+		upgrade=1	from_commit=355b24ea0cd3467d7ba1390ab7d34dd4b2500229
+		upgrade=1   from_commit=1fc458110660ce775f7613091cde3c5fdcfbe4e6
+		backup_restore=1
+		multi_instance=0
+		incorrect_path=1
+		port_already_use=0
+		change_url=0
+;;; Levels
+	Level 1=auto
+	Level 2=auto
+	Level 3=auto
+	Level 4=0
+	Level 5=auto
+	Level 6=auto
+	Level 7=auto
+	Level 8=0
+	Level 9=0
+	Level 10=0
+;;; Options
+Email=pitchum@gramaton.org
+Notification=down
+#;;; Upgrade options
+#	; commit=65c382d138596fcb32b4c97c39398815a1dcd4e8
+#		name=Name of this previous version
+#		manifest_arg=domain=DOMAIN&path=PATH&admin=USER&password=pass&is_public=1&
+#
diff --git a/conf/ynh-vpnclient b/conf/ynh-vpnclient
index 910e282..aad043c 100644
--- a/conf/ynh-vpnclient
+++ b/conf/ynh-vpnclient
@@ -129,6 +129,10 @@ start_openvpn() {
     [ "${ynh_server_proto}" == tcp ] && proto=tcp-client
   fi
 
+  # Unset firewall to let DNS and NTP resolution works
+  # Firewall is reset after vpn is mounted (more details on #1016)
+  unset_firewall
+  
   sync_time
 
   cp /etc/openvpn/client.conf{.tpl,}
@@ -199,7 +203,21 @@ stop_openvpn() {
 
 sync_time() {
   systemctl stop ntp
-  ntpd -qg &> /dev/null
+  timeout 20 ntpd -qg &> /dev/null
+  
+  # Some networks drop ntp port (udp 123). 
+  # Try to get the date with an http request on the internetcube web site
+  if [ $? -ne 0 ]; then
+    http_date=`curl -sD - labriqueinter.net | grep '^Date:' | cut -d' ' -f3-6`
+    http_date_seconds=`date -d "${http_date}" +%s`
+    curr_date_seconds=`date +%s`
+
+    # Set the new date if it's greater than the current date
+    # So it does if 1970 year or if old fake-hwclock date is used
+    if [ $http_date_seconds -ge $curr_date_seconds ]; then
+      date -s "${http_date}"
+    fi
+  fi 
   systemctl start ntp
 }
 
diff --git a/manifest.json b/manifest.json
index 902fa42..f68ff0b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,32 +1,46 @@
 {
   "name": "VPN Client",
   "id": "vpnclient",
+  "packaging_format": 1,
   "description": {
     "en": "VPN Client",
     "fr": "Client VPN"
   },
-  "license": "AGPL-3",
-  "developer": {
+  "url": "https://github.com/labriqueinternet/vpnclient_ynh",
+  "version": "1.1.0",
+  "license": "AGPL-3.0",
+  "maintainer": {
     "name": "Julien Vaubourg",
     "email": "julien@vaubourg.com",
     "url": "http://julien.vaubourg.com"
   },
-  "multi_instance": "false",
+  "requirements": {
+    "yunohost": ">= 2.2.0",
+    "moulinette": ">= 2.4.0"
+  },
+  "multi_instance": false,
+  "services": [
+    "nginx",
+    "php5-fpm",
+    "ynh-vpnclient"
+  ],
   "arguments": {
-    "install" : [
+    "install": [
       {
         "name": "domain",
+        "type": "domain",
         "ask": {
-            "en": "Choose a domain for the web administration",
-            "fr": "Choisissez un domaine pour l'administration web"
+          "en": "Choose a domain for the web administration",
+          "fr": "Choisissez un domaine pour l'administration web"
         },
         "example": "domain.org"
       },
       {
         "name": "path",
+        "type": "path",
         "ask": {
-            "en": "Choose a path for the web administration",
-            "fr": "Choisissez un chemin pour l'administration web"
+          "en": "Choose a path for the web administration",
+          "fr": "Choisissez un chemin pour l'administration web"
         },
         "example": "/vpnadmin",
         "default": "/vpnadmin"
diff --git a/scripts/_common.sh b/scripts/_common.sh
new file mode 100644
index 0000000..5931e78
--- /dev/null
+++ b/scripts/_common.sh
@@ -0,0 +1,116 @@
+#!/bin/bash
+#
+# Common variables
+#
+
+pkg_dependencies="php5-fpm sipcalc dnsutils openvpn curl fake-hwclock"
+
+
+# Helper to start/stop/.. a systemd service from a yunohost context,
+# *and* the systemd service itself needs to be able to run yunohost
+# commands.
+#
+# Hence the need to release the lock during the operation
+#
+# usage : ynh_systemctl yolo restart
+#
+function ynh_systemctl()
+{
+  local ACTION="$1"
+  local SERVICE="$2"
+  local LOCKFILE="/var/run/moulinette_yunohost.lock"
+
+  # Launch the action
+  sudo systemctl "$ACTION" "$SERVICE" &
+  local SYSCTLACTION=$!
+
+  # Save and release the lock...
+  cp $LOCKFILE $LOCKFILE.bkp.$$
+  rm $LOCKFILE
+
+  # Wait for the end of the action
+  wait $SYSCTLACTION
+
+  # Make sure the lock is released...
+  while [ -f $LOCKFILE ]
+  do
+    sleep 0.1
+  done
+
+  # Restore the old lock
+  mv $LOCKFILE.bkp.$$ $LOCKFILE
+}
+
+# Read the value of a key in a ynh manifest file
+#
+# usage: ynh_read_manifest manifest key
+# | arg: manifest - Path of the manifest to read
+# | arg: key - Name of the key to find
+ynh_read_manifest () {
+	manifest="$1"
+	key="$2"
+	python3 -c "import sys, json;print(json.load(open('$manifest', encoding='utf-8'))['$key'])"
+}
+
+# Read the upstream version from the manifest
+# The version number in the manifest is defined by <upstreamversion>~ynh<packageversion>
+# For example : 4.3-2~ynh3
+# This include the number before ~ynh
+# In the last example it return 4.3-2
+#
+# usage: ynh_app_upstream_version
+ynh_app_upstream_version () {
+    manifest_path="../manifest.json"
+    if [ ! -e "$manifest_path" ]; then
+        manifest_path="../settings/manifest.json"	# Into the restore script, the manifest is not at the same place
+    fi
+    version_key=$(ynh_read_manifest "$manifest_path" "version")
+    echo "${version_key/~ynh*/}"
+}
+
+# Read package version from the manifest
+# The version number in the manifest is defined by <upstreamversion>~ynh<packageversion>
+# For example : 4.3-2~ynh3
+# This include the number after ~ynh
+# In the last example it return 3
+#
+# usage: ynh_app_package_version
+ynh_app_package_version () {
+    manifest_path="../manifest.json"
+    if [ ! -e "$manifest_path" ]; then
+        manifest_path="../settings/manifest.json"	# Into the restore script, the manifest is not at the same place
+    fi
+    version_key=$(ynh_read_manifest "$manifest_path" "version")
+    echo "${version_key/*~ynh/}"
+}
+
+# Exit without error if the package is up to date
+#
+# This helper should be used to avoid an upgrade of a package
+# when it's not needed.
+#
+# To force an upgrade, even if the package is up to date,
+# you have to set the variable YNH_FORCE_UPGRADE before.
+# example: sudo YNH_FORCE_UPGRADE=1 yunohost app upgrade MyApp
+#
+# usage: ynh_abort_if_up_to_date
+ynh_abort_if_up_to_date () {
+	local force_upgrade=${YNH_FORCE_UPGRADE:-0}
+	local package_check=${PACKAGE_CHECK_EXEC:-0}
+
+	local version=$(ynh_read_manifest "/etc/yunohost/apps/$YNH_APP_INSTANCE_NAME/manifest.json" "version" || echo 1.0)
+	local last_version=$(ynh_read_manifest "../manifest.json" "version" || echo 1.0)
+	if [ "$version" = "$last_version" ]
+	then
+		if [ "$force_upgrade" != "0" ]
+		then
+			echo "Upgrade forced by YNH_FORCE_UPGRADE." >&2
+			unset YNH_FORCE_UPGRADE
+		elif [ "$package_check" != "0" ]
+		then
+			echo "Upgrade forced for package check." >&2
+		else
+			ynh_die "Up-to-date, nothing to do" 0
+		fi
+	fi
+}
diff --git a/scripts/backup b/scripts/backup
index 43b6047..5b857c3 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,9 +1,16 @@
 #!/bin/bash
 
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+ynh_abort_if_errors # Stop script if an error is detected
+
+#=================================================
+
 backup_dir="${1}/apps/vpnclient"
 mkdir -p "${backup_dir}/"
 
 sudo cp -a /etc/openvpn/keys/ "${backup_dir}/"
 sudo cp -a /etc/openvpn/client.conf.tpl "${backup_dir}/"
 
-exit 0
diff --git a/scripts/helpers b/scripts/helpers
deleted file mode 100644
index f91730f..0000000
--- a/scripts/helpers
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/bin/bash
-
-source /usr/share/yunohost/helpers
-
-#
-# Helper to start/stop/.. a systemd service from a yunohost context,
-# *and* the systemd service itself needs to be able to run yunohost
-# commands.
-# 
-# Hence the need to release the lock during the operation
-#
-# usage : ynh_systemctl yolo restart
-#
-function ynh_systemctl()
-{
-  local ACTION="$1"
-  local SERVICE="$2"
-  local LOCKFILE="/var/run/moulinette_yunohost.lock"
-
-  # Launch the action
-  sudo systemctl "$ACTION" "$SERVICE" &
-  local SYSCTLACTION=$!
-
-  # Save and release the lock...
-  cp $LOCKFILE $LOCKFILE.bkp.$$
-  rm $LOCKFILE
-  
-  # Wait for the end of the action
-  wait $SYSCTLACTION
-
-  # Make sure the lock is released...
-  while [ -f $LOCKFILE ]
-  do
-    sleep 0.1
-  done
-
-  # Restore the old lock
-  mv $LOCKFILE.bkp.$$ $LOCKFILE
-}
diff --git a/scripts/install b/scripts/install
index b7747be..ed504f8 100644
--- a/scripts/install
+++ b/scripts/install
@@ -1,61 +1,99 @@
 #!/bin/bash
 
-# VPN Client app for YunoHost 
+# VPN Client app for YunoHost
 # Copyright (C) 2015 Julien Vaubourg <julien@vaubourg.com>
 # Contribute at https://github.com/labriqueinternet/vpnclient_ynh
-# 
+#
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU Affero General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# This is an upgrade?
-upgrade=$([ "${VPNCLIENT_UPGRADE}" == 1 ] && echo true || echo false)
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
+#=================================================
+# RETRIEVE ARGUMENTS FROM THE MANIFEST
+#=================================================
 
 # Retrieve arguments
-domain=${1}
-url_path=${2}
+domain=$YNH_APP_ARG_DOMAIN
+path_url=$YNH_APP_ARG_PATH
 
-if ! $upgrade; then
-  source ./helpers
-  source ./prerequisites
-fi
+app=$YNH_APP_INSTANCE_NAME
 
-# Check domain/path availability
-ynh_webpath_register vpnclient $domain $url_path || exit 1
+#=================================================
+# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
+#=================================================
 
-# Install packages
-packages='php5-fpm sipcalc dnsutils openvpn curl'
-export DEBIAN_FRONTEND=noninteractive
+# Check destination directory
+final_path="/var/www/$app"
+test ! -e "$final_path" || ynh_die "This path already contains a folder"
 
-sudo apt-get --assume-yes --force-yes install ${packages}
+# Normalize the url path syntax
+path_url=$(ynh_normalize_url_path "$path_url")
 
-if [ $? -ne 0 ]; then
-  sudo apt-get update
-  sudo apt-get --assume-yes --force-yes install ${packages}
-fi
+# Check web path availability
+ynh_webpath_available "$domain" "$path_url"
+# Register (book) web path
+ynh_webpath_register "$app" "$domain" "$path_url"
+
+#=================================================
+# STORE SETTINGS FROM MANIFEST
+#=================================================
+
+ynh_app_setting_set "$app" domain "$domain"
+ynh_app_setting_set "$app" final_path "$final_path"
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
+
+ynh_install_app_dependencies "$pkg_dependencies"
+
+#=================================================
+# SPECIFIC SETUP
+#=================================================
+
+# This is an upgrade?
+upgrade=$([ -z ${VPNCLIENT_UPGRADE+x} ] && echo true || echo false)
 
 if ! $upgrade; then
 
   # Save arguments
-  sudo yunohost app setting vpnclient service_enabled -v 0
-  sudo yunohost app setting vpnclient server_name -v none
-  sudo yunohost app setting vpnclient server_port -v 1194
-  sudo yunohost app setting vpnclient server_proto -v udp
-  sudo yunohost app setting vpnclient ip6_addr -v none
-  sudo yunohost app setting vpnclient ip6_net -v none
-  sudo yunohost app setting vpnclient login_user -v "${login_user}"
-  sudo yunohost app setting vpnclient login_passphrase -v "${login_passphrase}"
-  sudo yunohost app setting vpnclient dns0 -v 89.234.141.66
-  sudo yunohost app setting vpnclient dns1 -v 2001:913::8
+  ynh_app_setting_set $app service_enabled 0
+  ynh_app_setting_set $app server_name none
+  ynh_app_setting_set $app server_port 1194
+  ynh_app_setting_set $app server_proto udp
+  ynh_app_setting_set $app ip6_addr none
+  ynh_app_setting_set $app ip6_net none
+  ynh_app_setting_set $app login_user "${login_user}"
+  ynh_app_setting_set $app login_passphrase "${login_passphrase}"
+  ynh_app_setting_set $app dns0 89.234.141.66
+  ynh_app_setting_set $app dns1 2001:913::8
 
 fi
 
@@ -91,20 +129,25 @@ sudo find /var/www/vpnadmin/ -type d -exec chmod +x {} \;
 sudo mkdir -pm 0770 /etc/openvpn/keys/
 sudo chown root:admins /etc/openvpn/keys/
 
-# Fix confs
-## nginx
-sudo sed "s|<TPL:NGINX_LOCATION>|${url_path}|g" -i "/etc/nginx/conf.d/${domain}.d/vpnadmin.conf"
+#=================================================
+# NGINX CONFIGURATION
+#=================================================
+
+sudo sed "s|<TPL:NGINX_LOCATION>|${path_url}|g" -i "/etc/nginx/conf.d/${domain}.d/vpnadmin.conf"
 sudo sed 's|<TPL:NGINX_REALPATH>|/var/www/vpnadmin/|g' -i "/etc/nginx/conf.d/${domain}.d/vpnadmin.conf"
 sudo sed 's|<TPL:PHP_NAME>|vpnadmin|g' -i "/etc/nginx/conf.d/${domain}.d/vpnadmin.conf"
 
-## php-fpm
+#=================================================
+# PHP-FPM CONFIGURATION
+#=================================================
+
 sudo sed 's|<TPL:PHP_NAME>|vpnadmin|g' -i /etc/php5/fpm/pool.d/vpnadmin.conf
 sudo sed 's|<TPL:PHP_USER>|admin|g' -i /etc/php5/fpm/pool.d/vpnadmin.conf
 sudo sed 's|<TPL:PHP_GROUP>|admins|g' -i /etc/php5/fpm/pool.d/vpnadmin.conf
 sudo sed 's|<TPL:NGINX_REALPATH>|/var/www/vpnadmin/|g' -i /etc/php5/fpm/pool.d/vpnadmin.conf
 
 # Fix sources
-sudo sed "s|<TPL:NGINX_LOCATION>|${url_path}|g" -i /var/www/vpnadmin/config.php
+sudo sed "s|<TPL:NGINX_LOCATION>|${path_url}|g" -i /var/www/vpnadmin/config.php
 
 # Copy init script
 sudo install -o root -g root -m 0755 ../conf/ynh-vpnclient /usr/local/bin/
@@ -138,11 +181,11 @@ if ! $upgrade; then
   ynh_systemctl start ynh-vpnclient
 
   # Check configuration consistency
-  
+
   if [ -z "${crt_server_ca_path}" ]; then
     echo "WARNING: VPN Client is not started because you need to define a server CA through the web admin" >&2
   fi
-  
+
   if [ -z "${crt_client_key_path}" -a -z "${login_user}" ]; then
     echo "WARNING: VPN Client is not started because you need either a client certificate, either a username (or both)" >&2
   fi
@@ -150,4 +193,3 @@ fi
 
 sudo yunohost app ssowatconf
 
-exit 0
diff --git a/scripts/prerequisites b/scripts/prerequisites
deleted file mode 100644
index 4b18fc3..0000000
--- a/scripts/prerequisites
+++ /dev/null
@@ -1,8 +0,0 @@
-# Source me
-
-# Check YunoHost version (firewall hook in Moulinette)
-ynh_version=$(sudo dpkg -l yunohost | grep ii | awk '{ print $3 }' | sed 's/\.//g')
-
-if [ "${ynh_version}" -lt 240 ]; then
-  echo "WARN: You need a YunoHost's version equals or greater than 2.4.0 for activating the firewalling" >&2
-fi
diff --git a/scripts/remove b/scripts/remove
index 1d92f61..1ba32f2 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,27 +1,40 @@
 #!/bin/bash
 
-# VPN Client app for YunoHost 
+# VPN Client app for YunoHost
 # Copyright (C) 2015 Julien Vaubourg <julien@vaubourg.com>
 # Contribute at https://github.com/labriqueinternet/vpnclient_ynh
-# 
+#
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU Affero General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-source ./helpers
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
 
-# Retrieve arguments
-domain=$(sudo yunohost app setting vpnclient domain)
+source _common.sh
+source /usr/share/yunohost/helpers
 
+#=================================================
+# LOAD SETTINGS
+#=================================================
+
+app=$YNH_APP_INSTANCE_NAME
+
+domain=$(ynh_app_setting_get $app domain)
+
+#=================================================
 # The End
 ynh_systemctl stop ynh-vpnclient-checker.service
 sudo systemctl disable ynh-vpnclient-checker.service
@@ -50,4 +63,3 @@ sudo systemctl reload nginx
 # Remove sources
 sudo rm -rf /var/www/vpnadmin/
 
-exit 0
diff --git a/scripts/restore b/scripts/restore
index 7b88ea1..aa987d8 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -1,5 +1,24 @@
 #!/bin/bash
 
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+if [ ! -e _common.sh ]; then
+    # Fetch helpers file if not in current directory
+    cp ../settings/scripts/_common.sh ./_common.sh
+    chmod a+rx _common.sh
+fi
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 backup_dir="${1}/apps/vpnclient"
 
 sudo mkdir -p /etc/openvpn/
@@ -18,4 +37,3 @@ bash ./upgrade
 
 sudo rm -r "${tmpdir}/"
 
-exit 0
diff --git a/scripts/upgrade b/scripts/upgrade
index 6d4dd7b..cf2a1c8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -1,18 +1,41 @@
 #!/bin/bash
 
-ynh_setting() {
-  app=${1}
-  setting=${2}
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
 
-  sudo grep "^${setting}:" "/etc/yunohost/apps/${app}/settings.yml" | sed s/^[^:]\\+:\\s*[\"\']\\?// | sed s/\\s*[\"\']\$//
-}
+source _common.sh
+source /usr/share/yunohost/helpers
 
-source ./helpers
-source ./prerequisites
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+
+app=$YNH_APP_INSTANCE_NAME
+
+domain=$(ynh_app_setting_get $app domain)
+path_url=$(ynh_app_setting_get $app path)
+is_public=$(ynh_app_setting_get $app is_public)
+final_path=$(ynh_app_setting_get $app final_path)
+server_name=$(ynh_app_setting_get $app server_name)
+
+#=================================================
+# CHECK VERSION
+#=================================================
+
+ynh_abort_if_up_to_date
+
+#=================================================
 
-domain=$(ynh_setting vpnclient domain)
-path=$(ynh_setting vpnclient path)
-server_name=$(ynh_setting vpnclient server_name)
 
 sudo mkdir -m 0700 -p /var/cache/labriqueinternet/vpnclient/
 sudo tar czf "/var/cache/labriqueinternet/vpnclient/rollback_$(date +%Y-%m-%d-%H%M%S).tgz" /etc/openvpn/ /etc/yunohost/apps/vpnclient/ &> /dev/null
@@ -44,4 +67,3 @@ fi
 
 ynh_systemctl start ynh-vpnclient
 
-exit 0