fix(backups): do not use post_restore on backup

selfprivacy_api/backup/__init__.py

@@ -258,7 +258,6 @@ class Backups:
             Backups._on_new_snapshot_created(service_name, snapshot)
             if reason == BackupReason.AUTO:
                 Backups._prune_auto_snaps(service)
-            service.post_restore()
         except Exception as error:
             Jobs.update(job, status=JobStatus.ERROR, error=str(error))
             raise error

selfprivacy_api/backup/tasks.py

@@ -181,7 +181,7 @@ def which_snapshots_to_full_restore() -> list[Snapshot]:
     autoslice = Backups.last_backup_slice()
     api_snapshot = None
     for snap in autoslice:
-        if snap.service_name == "api":
+        if snap.service_name == ServiceManager.get_id():
             api_snapshot = snap
             autoslice.remove(snap)
     if api_snapshot is None:

selfprivacy_api/services/__init__.py

@@ -226,12 +226,8 @@ class ServiceManager(Service):
     @classmethod
     def pre_backup(cls):
         tempdir = cls.dump_dir()
-        if not path.exists(tempdir):
-            makedirs(tempdir)
-
-        paths = listdir(tempdir)
-        for file in paths:
-            remove(file)
+        rmtree(join(tempdir), ignore_errors=True)
+        makedirs(tempdir)
 
         for p in [USERDATA_FILE, SECRETS_FILE, DKIM_DIR]:
             cls.stash_a_path(p)

tests/test_backup.py

@@ -828,7 +828,7 @@ def test_cache_invalidaton_task(backups, dummy_service):
 
 def test_service_manager_backup_snapshot_persists(backups, generic_userdata, dkim_file):
     # There was a bug with snapshot disappearance due to post_restore hooks, checking for that
-    manager = ServiceManager.get_service_by_id("api")
+    manager = ServiceManager.get_service_by_id(ServiceManager.get_id())
     assert manager is not None
 
     snapshot = Backups.back_up(manager)
@@ -844,7 +844,7 @@ def test_service_manager_backs_up_without_crashing(
     """
     Service manager is special and needs testing.
     """
-    manager = ServiceManager.get_service_by_id("api")
+    manager = ServiceManager.get_service_by_id(ServiceManager.get_id())
     assert manager is not None
 
     snapshot = Backups.back_up(manager)