refactor(backups): only async snapshot trimming

selfprivacy_api/backup/__init__.py

@@ -425,7 +425,10 @@ class Backups:
                 yearly=Backups._standardize_quotas(quotas.yearly),  # type: ignore
             )
         )
+        # do not prune all autosnaps right away, this will be done by an async task
 
+    @staticmethod
+    def prune_all_autosnaps() -> None:
         for service in get_all_services():
             Backups._prune_auto_snaps(service)
 

selfprivacy_api/backup/tasks.py

@@ -43,16 +43,13 @@ def start_backup(
 
 
 @huey.task()
-def set_autobackup_quotas(quotas: AutobackupQuotas, job: Job) -> bool:
-    job = Jobs.add(
-        name="trimming autobackup snapshots",
-        type_id="backups.autobackup_trimming",
-        description="Pruning the excessive snapshots after the new autobackup quotas are set",
-        status=JobStatus.RUNNING,
-    )
+def prune_autobackup_snapshots(quotas: AutobackupQuotas, job: Job) -> bool:
+    """
+    Remove all autobackup snapshots that do not fit into quotas set
+    """
     Jobs.update(job, JobStatus.RUNNING)
     try:
-        Backups.set_autobackup_quotas(quotas)
+        Backups.prune_all_autosnaps()
     except Exception as e:
         Jobs.update(job, JobStatus.ERROR, error=type(e).__name__ + ":" + str(e))
         return False

selfprivacy_api/graphql/mutations/backup_mutations.py

@@ -23,7 +23,7 @@ from selfprivacy_api.services import get_service_by_id
 from selfprivacy_api.backup.tasks import (
     start_backup,
     restore_snapshot,
-    set_autobackup_quotas,
+    prune_autobackup_snapshots,
 )
 from selfprivacy_api.backup.jobs import add_backup_job, add_restore_job
 
@@ -116,8 +116,9 @@ class BackupMutations:
         )
 
         try:
-            # this is async and can fail with only a job to report the error
-            set_autobackup_quotas(quotas, job)
+            Backups.set_autobackup_quotas(quotas)
+            # this task is async and can fail with only a job to report the error
+            prune_autobackup_snapshots(job)
             return GenericBackupConfigReturn(
                 success=True,
                 message="",

tests/test_graphql/test_backup.py

@@ -651,6 +651,7 @@ def test_too_many_auto(backups, dummy_service):
     # Retroactivity
     quota.last = 1
     Backups.set_autobackup_quotas(quota)
+    Backups.prune_all_autosnaps()
     snaps = Backups.get_snapshots(dummy_service)
     assert len(snaps) == 1