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(feature) Add cancellable backup runs and clearer dry-run logs

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Add a cancel action for queued and running backup runs. Queued runs are
cancelled immediately, while running runs are marked for cancellation and
the worker terminates the active rsync process group.

Make dry-run log paths run-specific and add a defensive default dry-run
timeout so stuck dry-runs do not remain running indefinitely.

Remove rsync exit codes from run overview tables while keeping detailed
diagnostics available on the run detail payload.
This commit is contained in:
Peter van Arkel
2026-05-19 20:46:10 +02:00
parent 088f43279e
commit bbb0f652f3
12 changed files with 291 additions and 47 deletions
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81
src/pobsync_backend/tests/test_backup_worker.py
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@@ -48,22 +48,87 @@ class BackupWorkerTests(TestCase):
run = queue_backup_run(host=host)
with patch("pobsync_backend.backup_runner.run_scheduled") as run_scheduled:
run_scheduled.return_value = {
"ok": True,
"dry_run": False,
"host": host.host,
"snapshot": str(snapshot_dir),
"base": None,
"rsync": {"exit_code": 0},
}
def fake_run_scheduled(**kwargs):
run.refresh_from_db()
self.assertIn("execution", run.result)
return {
"ok": True,
"dry_run": False,
"host": host.host,
"snapshot": str(snapshot_dir),
"base": None,
"rsync": {"exit_code": 0},
}
run_scheduled.side_effect = fake_run_scheduled
count = Command()._run_once(prefix=Path(tmp) / "home")
run_scheduled.assert_called_once()
self.assertEqual(count, 1)
self.assertEqual(run_scheduled.call_args.kwargs["run_id"], run.id)
run.refresh_from_db()
self.assertEqual(run.status, BackupRun.Status.SUCCESS)
self.assertEqual(SnapshotRecord.objects.count(), 1)
self.assertEqual(run.snapshot, SnapshotRecord.objects.get())
def test_worker_records_dry_run_log_path_while_running(self) -> None:
with TemporaryDirectory() as tmp:
GlobalConfig.objects.create(name="default", backup_root=str(Path(tmp) / "backups"))
host = HostConfig.objects.create(host="web-01", address="web-01.example.test")
run = queue_backup_run(host=host, dry_run=True)
with patch("pobsync_backend.backup_runner.run_scheduled") as run_scheduled:
def fake_run_scheduled(**kwargs):
run.refresh_from_db()
self.assertEqual(
run.result["execution"]["log"],
f"/tmp/pobsync-dryrun/{host.host}/run-{run.id}/rsync.log",
)
return {
"ok": True,
"dry_run": True,
"host": host.host,
"base": None,
"log": run.result["execution"]["log"],
"rsync": {"exit_code": 0},
}
run_scheduled.side_effect = fake_run_scheduled
count = Command()._run_once(prefix=Path(tmp) / "home")
self.assertEqual(count, 1)
run.refresh_from_db()
self.assertEqual(run.status, BackupRun.Status.SUCCESS)
self.assertEqual(run.result["log"], f"/tmp/pobsync-dryrun/{host.host}/run-{run.id}/rsync.log")
def test_worker_preserves_cancelled_status_from_running_run(self) -> None:
with TemporaryDirectory() as tmp:
GlobalConfig.objects.create(name="default", backup_root=str(Path(tmp) / "backups"))
host = HostConfig.objects.create(host="web-01", address="web-01.example.test")
run = queue_backup_run(host=host, dry_run=True)
with patch("pobsync_backend.backup_runner.run_scheduled") as run_scheduled:
def fake_run_scheduled(**kwargs):
BackupRun.objects.filter(id=run.id).update(status=BackupRun.Status.CANCELLED)
self.assertTrue(kwargs["cancel_check"]())
return {
"ok": False,
"dry_run": True,
"cancelled": True,
"host": host.host,
"base": None,
"log": f"/tmp/pobsync-dryrun/{host.host}/run-{run.id}/rsync.log",
"rsync": {"exit_code": 130},
}
run_scheduled.side_effect = fake_run_scheduled
count = Command()._run_once(prefix=Path(tmp) / "home")
self.assertEqual(count, 1)
run.refresh_from_db()
self.assertEqual(run.status, BackupRun.Status.CANCELLED)
self.assertEqual(run.rsync_exit_code, 130)
def test_worker_returns_zero_without_queued_runs(self) -> None:
count = Command()._run_once(prefix=Path("/opt/pobsync"))