transmission: Enable backup/restore

Reviewed-by: James Valleroy <jvalleroy@mailbox.org>

actions/transmission

@@ -27,7 +27,6 @@ import sys
 from plinth import action_utils
 
 
-SERVICE_CONFIG = '/etc/default/transmission-daemon'
 TRANSMISSION_CONFIG = '/etc/transmission-daemon/settings.json'
 
 

functional_tests/features/transmission.feature

@@ -38,3 +38,14 @@ Scenario: Upload a torrent to transmission
   When all torrents are removed from transmission
   And I upload a sample torrent to transmission
   Then there should be 1 torrents listed in transmission
+
+Scenario: Backup and restore transmission
+  Given the transmission application is enabled
+  When all torrents are removed from transmission
+  And I upload a sample torrent to transmission
+  And I create a backup of the transmission app data
+  And I export the transmission app data backup
+  And all torrents are removed from transmission
+  And I restore the transmission app data backup
+  Then the transmission service should be running
+  And there should be 1 torrents listed in transmission

plinth/modules/transmission/__init__.py

@@ -27,7 +27,7 @@ from plinth import action_utils, actions, frontpage
 from plinth.menu import main_menu
 from plinth.modules.users import register_group
 
-from .manifest import clients
+from .manifest import backup, clients
 
 version = 2
 

plinth/modules/transmission/manifest.py

@@ -18,6 +18,7 @@
 from django.utils.translation import ugettext_lazy as _
 
 from plinth.clients import validate
+from plinth.modules.backups.api import validate as validate_backup
 
 clients = validate([{
     'name': _('Transmission'),
@@ -26,3 +27,13 @@ clients = validate([{
         'url': '/transmission'
     }]
 }])
+
+backup = validate_backup({
+    'data': {
+        'directories': ['/var/lib/transmission-daemon/.config']
+    },
+    'secrets': {
+        'files': ['/etc/transmission-daemon/settings.json']
+    },
+    'services': ['transmission-daemon']
+})