backups: Use paths from selected apps

Signed-off-by: James Valleroy <jvalleroy@mailbox.org>
Reviewed-by: Joseph Nuthalapati <njoseph@thoughtworks.com>

actions/backups

@@ -41,7 +41,8 @@ def parse_arguments():
 
     create = subparsers.add_parser('create', help='Create archive')
     create.add_argument('--name', help='Archive name', required=True)
-    create.add_argument('--path', help='Path to archive', required=True)
+    create.add_argument(
+        '--path', help='Paths to include in archive', nargs='+')
 
     delete = subparsers.add_parser('delete', help='Delete archive')
     delete.add_argument('--name', help='Archive name', required=True)
@@ -91,8 +92,7 @@ def subcommand_create(arguments):
     """Create archive."""
     subprocess.run([
         'borg', 'create', '--json', REPOSITORY + '::' + arguments.name,
-        arguments.path
-    ], check=True)
+    ] + arguments.path, check=True)
 
 
 def subcommand_delete(arguments):

plinth/modules/backups/__init__.py

@@ -22,6 +22,7 @@ import json
 
 from django.utils.translation import ugettext_lazy as _
 
+from .backups import backup_apps
 from plinth import actions
 from plinth.menu import main_menu
 from plinth.modules import udiskie
@@ -67,9 +68,15 @@ def get_archive(name):
     return None
 
 
-def create_archive(name, path):
+def _backup_handler(packet):
+    """Performs backup operation on packet."""
+    paths = packet.directories + packet.files
     actions.superuser_run('backups',
-                          ['create', '--name', name, '--path', path])
+                          ['create', '--name', packet.label, '--path'] + paths)
+
+
+def create_archive(name, app_names):
+    backup_apps(_backup_handler, app_names, name)
 
 
 def delete_archive(name):

plinth/modules/backups/backups.py

@@ -63,7 +63,7 @@ def _validate_directories_and_files(df):
 class Packet:
     """Information passed to a handlers for backup/restore operations."""
 
-    def __init__(self, operation, scope, root, manifests=None):
+    def __init__(self, operation, scope, root, manifests=None, label=None):
         """Initialize the packet.
 
         operation is either 'backup' or 'restore.
@@ -80,6 +80,7 @@ class Packet:
         self.scope = scope
         self.root = root
         self.manifests = manifests
+        self.label = label
 
         self.directories = []
         self.files = []
@@ -95,7 +96,7 @@ class Packet:
                 self.files += backup[x]['files']
 
 
-def backup_full(backup_handler):
+def backup_full(backup_handler, label=None):
     """Backup the entire system."""
     if not _is_snapshot_available():
         raise Exception('Full backup is not supported without snapshots.')
@@ -103,7 +104,7 @@ def backup_full(backup_handler):
     snapshot = _take_snapshot()
     backup_root = snapshot['mount_path']
 
-    packet = Packet('backup', 'full', backup_root)
+    packet = Packet('backup', 'full', backup_root, label)
     _run_operation(backup_handler, packet)
 
     _delete_snapshot(snapshot)
@@ -122,7 +123,7 @@ def restore_full(restore_handler):
     _switch_to_subvolume(subvolume)
 
 
-def backup_apps(backup_handler, app_names=None):
+def backup_apps(backup_handler, app_names=None, label=None):
     """Backup data belonging to a set of applications."""
     if not app_names:
         apps = _list_of_all_apps_for_backup()
@@ -141,7 +142,7 @@ def backup_apps(backup_handler, app_names=None):
         backup_root = '/'
         snapshotted = False
 
-    packet = Packet('backup', 'apps', backup_root, manifests)
+    packet = Packet('backup', 'apps', backup_root, manifests, label)
     _run_operation(backup_handler, packet)
 
     if snapshotted:

plinth/modules/backups/forms.py

@@ -38,10 +38,6 @@ class CreateArchiveForm(forms.Form):
         help_text=_('Apps to include in the backup'),
         widget=forms.CheckboxSelectMultiple)
 
-    path = forms.CharField(label=_('Path'), strip=True, help_text=_(
-        'Disk path to a folder on this server that will be archived into '
-        'backup repository.'))
-
     def __init__(self, *args, **kwargs):
         """Initialize the form with selectable apps."""
         super().__init__(*args, **kwargs)

plinth/modules/backups/views.py

@@ -71,7 +71,7 @@ class CreateArchiveView(SuccessMessageMixin, FormView):
     def form_valid(self, form):
         """Create the archive on valid form submission."""
         backups.create_archive(form.cleaned_data['name'],
-                               form.cleaned_data['path'])
+                               form.cleaned_data['selected_apps'])
         return super().form_valid(form)