[enh] Restore function

actionsmap/yunohost.yml

@@ -562,6 +562,17 @@ backup:
             action_help: Create an encrypted backup tarball
             api: POST /backup
 
+        ### backup_restore()
+        restore:
+            action_help: Restore from an encrypted backup tarball
+            api: POST /restore
+            configuration:
+                authenticate: false
+                lock: false
+            arguments:
+                path:
+                    help: Path of the restauration package
+
 
 #############################
 #          Monitor          #

backup.py

@@ -52,3 +52,38 @@ def backup_backup():
     #TODO: Compress & encrypt
 
     msignals.display(m18n.n('backup_complete'), 'success')
+
+
+def backup_restore(path):
+    """
+    Restore from an encrypted backup tarball
+
+    Keyword argument:
+        path -- Path to the restore directory
+
+    """
+    from yunohost.tools import tools_postinstall
+    from yunohost.hook import hook_callback
+
+    path = os.path.abspath(path)
+
+    try:
+        with open("%s/yunohost/current_host" % path, 'r') as f:
+            domain = f.readline().rstrip()
+    except IOError:
+        raise MoulinetteError(errno.EINVAL, m18n.n('invalid_restore_package'))
+
+    #TODO Decrypt & extract tarball
+
+    try:
+        with open('/etc/yunohost/installed') as f:
+            raise MoulinetteError(errno.EINVAL, m18n.n('yunohost_already_installed'))
+    except IOError:
+        tools_postinstall(domain, 'yunohost', True)
+
+    # Run hook
+    hook_callback('restore', [path])
+
+    msignals.display(m18n.n('restore_complete'), 'success')
+
+

locales/en.json

@@ -129,6 +129,8 @@
     "system_upgraded" : "System successfully upgraded",
 
     "backup_complete" : "Backup complete",
+    "invalid_restore_package" : "Invalid restore package",
+    "restore_complete" : "Restore complete",
 
     "field_invalid" : "Invalid field '{:s}'",
     "mail_domain_unknown" : "Unknown mail address domain '{:s}'",

locales/fr.json

@@ -129,6 +129,8 @@
     "system_upgraded" : "Système mis à jour avec succès",
 
     "backup_complete" : "Sauvegarde terminée",
+    "invalid_restore_package" : "Dossier de restauration invalide",
+    "restore_complete" : "Restauration terminée",
 
     "field_invalid" : "Champ incorrect : {:s}",
     "mail_domain_unknown" : "Domaine '{:s}' de l'adresse mail inconnu",