Files
robertvoy-ComfyUI-Distributed/tests/test_serverless_lifecycle.py
T
Robert Wojciechowski 87c0cda9f6 fix: preserve serverless capacity and recovery across job failures
Retain durable reservations until provider termination or explicit recovery, protect unresolved pools and credentials, and add scoped reconciliation. Consolidate lifecycle and secret policies and split prompt/media stages with regression coverage.
2026-10-11 06:56:01 +00:00

193 lines
10 KiB
Python

"""Billing-safe lifecycle regressions: local completion is not remote completion."""
import asyncio
import tempfile
import types
import unittest
from pathlib import Path
from unittest.mock import AsyncMock, patch
from test_serverless_runtime import runtime, Secrets
class LifecycleTests(unittest.IsolatedAsyncioTestCase):
async def asyncSetUp(self):
self.temp = tempfile.TemporaryDirectory()
self.addCleanup(self.temp.cleanup)
self.server = types.SimpleNamespace(distributed_pending_jobs={"collector": asyncio.Queue()}, distributed_jobs_lock=asyncio.Lock())
self.path = Path(self.temp.name) / "jobs.json"
self.manager = runtime.ServerlessManager(self.server, Secrets(), self.path, AsyncMock(return_value=object()))
self.worker = {"id": "serverless:pool:1", "pool_id": "pool", "endpoint_id": "ep", "concurrency": 1, "timeout_seconds": 30, "type": "serverless"}
self.prepared = {"worker": self.worker, "workflow": {}, "images": [], "manifest": [{"job_id": "collector", "prefix": "x", "kind": "image"}]}
self.api = types.SimpleNamespace(submit=AsyncMock(return_value="job"), status=AsyncMock(), cancel=AsyncMock(return_value={"status": "CANCELLED"}))
self.client_patch = patch.object(runtime, "RunpodClient", return_value=self.api)
self.client_patch.start()
self.addCleanup(self.client_patch.stop)
self.decode_patch = patch.object(runtime, "decode_results", AsyncMock(return_value={"collector": ["tensor"]}))
self.decode_patch.start()
self.addCleanup(self.decode_patch.stop)
async def asyncTearDown(self):
await self.manager.cancel()
def second(self, **changes):
return dict(self.prepared, worker=dict(self.worker, id="serverless:pool:2", **changes))
def retained(self, status="CANCEL_REQUESTED", job_id: str | None = "old-job"):
self.manager.ledger.update("old", worker_id="pool", endpoint_id="ep", job_id=job_id,
status=status, created_at=1, updated_at=1)
async def test_capacity_is_held_until_slow_cancellation_is_confirmed(self):
cancel_started, release_cancel = asyncio.Event(), asyncio.Event()
self.api.submit.side_effect = ["job-1", "job-2"]
self.api.status.side_effect = [runtime.RunpodError("poll failed"), {"status": "COMPLETED", "output": {}}]
async def cancel(_job_id):
cancel_started.set()
await release_cancel.wait()
return {"status": "CANCELLED"}
self.api.cancel.side_effect = cancel
await self.manager.start("exec", "prompt", [self.prepared, self.second()])
try:
await asyncio.wait_for(cancel_started.wait(), 1)
await asyncio.sleep(0.01)
self.assertEqual(self.api.submit.await_count, 1)
finally:
release_cancel.set()
await self.manager.wait_for_execution("exec")
self.assertEqual(self.api.submit.await_count, 2)
async def test_unconfirmed_cancel_holds_capacity_until_reconciled(self):
self.api.status.side_effect = runtime.RunpodError("poll failed")
self.api.cancel.return_value = {"status": "IN_PROGRESS"}
await self.manager.start("first", "prompt", [self.prepared])
await self.manager.wait_for_execution("first")
self.assertEqual(self.manager.ledger.all()[0]["status"], "CANCEL_REQUESTED")
self.assertTrue(self.manager.pool_is_active("pool"))
await self.manager.start("second", "prompt", [self.second()])
try:
await asyncio.sleep(0.01)
self.assertEqual(self.api.submit.await_count, 1)
self.api.status.side_effect = None
self.api.status.return_value = {"status": "COMPLETED", "output": {}}
await self.manager.reconcile(worker_id="pool")
await asyncio.wait_for(self.manager.wait_for_execution("second"), 1)
self.assertEqual(self.api.submit.await_count, 2)
finally:
self.api.cancel.return_value = {"status": "CANCELLED"}
await self.manager.cancel()
async def test_restarted_manager_reserves_known_unresolved_jobs(self):
self.retained("IN_PROGRESS")
self.manager = runtime.ServerlessManager(self.server, Secrets(), self.path, AsyncMock(return_value=object()))
self.assertTrue(self.manager.pool_is_active("pool"))
self.assertFalse(self.manager.pool_is_active("other"))
await self.manager.start("exec", "prompt", [self.second(timeout_seconds=0.02)])
await self.manager.wait_for_execution("exec")
self.api.submit.assert_not_awaited()
self.assertEqual(self.manager.ledger.all()[-1]["status"], "TIMED_OUT")
async def test_recovery_closes_never_submitted_waiting_records(self):
self.retained("WAITING", job_id=None)
self.manager = runtime.ServerlessManager(self.server, Secrets(), self.path, AsyncMock(return_value=object()))
self.assertFalse(self.manager.pool_is_active("pool"))
self.assertEqual(self.manager.ledger.all()[0]["status"], "CANCELLED")
self.api.submit.assert_not_awaited()
async def test_recovery_keeps_interrupted_submission_unresolved(self):
self.retained("SUBMITTING", job_id=None)
self.manager = runtime.ServerlessManager(self.server, Secrets(), self.path, AsyncMock(return_value=object()))
self.assertTrue(self.manager.pool_is_active("pool"))
self.assertEqual(self.manager.ledger.all()[0]["status"], "UNKNOWN")
await self.manager.reconcile(worker_id="pool")
self.api.status.assert_not_awaited()
self.api.submit.assert_not_awaited()
async def test_ambiguous_submission_requires_explicit_recovery_acknowledgment(self):
self.api.submit.side_effect = runtime.AmbiguousSubmission("acceptance unknown")
await self.manager.start("exec", "prompt", [self.prepared])
await self.manager.wait_for_execution("exec")
record = self.manager.ledger.all()[0]
self.assertTrue(self.manager.pool_is_active("pool"))
with self.assertRaises(ValueError):
await self.manager.acknowledge_recovery("pool", record["record_id"], provider_checked=False)
with self.assertRaises(ValueError):
await self.manager.acknowledge_recovery("other", record["record_id"], provider_checked=True)
await self.manager.acknowledge_recovery("pool", record["record_id"], provider_checked=True)
self.assertFalse(self.manager.pool_is_active("pool"))
self.assertEqual(self.manager.ledger.all()[0]["status"], "RESOLVED")
self.api.submit.assert_awaited_once()
async def test_cancel_already_completed_provider_job_is_terminal(self):
self.retained()
self.api.cancel.return_value = {"status": "COMPLETED"}
await self.manager.cancel(worker_id="pool")
self.assertEqual(self.manager.ledger.all()[0]["status"], "COMPLETED")
self.assertFalse(self.manager.pool_is_active("pool"))
async def test_reconciliation_failure_never_releases_capacity(self):
self.retained()
self.api.status.side_effect = runtime.RunpodError("not reachable")
await self.manager.reconcile(worker_id="pool")
self.assertTrue(self.manager.pool_is_active("pool"))
self.assertEqual(self.manager.ledger.all()[0]["status"], "CANCEL_REQUESTED")
async def test_cancel_before_first_task_step_finalizes_local_record(self):
await self.manager.start("exec", "prompt", [self.prepared])
await self.manager.cancel(worker_id="pool")
self.assertEqual(self.manager.ledger.all()[0]["status"], "CANCELLED")
self.assertFalse(self.server.distributed_pending_jobs["collector"].empty())
self.assertFalse(self.manager.pool_is_active("pool"))
self.api.submit.assert_not_awaited()
async def test_live_record_cannot_be_acknowledged_or_reconciled(self):
polling = asyncio.Event()
async def status(_job_id):
polling.set()
await asyncio.Event().wait()
self.api.status.side_effect = status
await self.manager.start("exec", "prompt", [self.prepared])
await asyncio.wait_for(polling.wait(), 1)
record = self.manager.ledger.all()[0]
with self.assertRaises(ValueError):
await self.manager.acknowledge_recovery("pool", record["record_id"], provider_checked=True)
await self.manager.reconcile(worker_id="pool")
self.assertEqual(self.api.status.await_count, 1)
self.assertTrue(self.manager.pool_is_active("pool"))
async def test_repeated_cancel_does_not_interrupt_provider_cleanup(self):
polling, cancelling, release = asyncio.Event(), asyncio.Event(), asyncio.Event()
async def status(_job_id):
polling.set()
await asyncio.Event().wait()
async def cancel(_job_id):
cancelling.set()
await release.wait()
return {"status": "CANCELLED"}
self.api.status.side_effect = status
self.api.cancel.side_effect = cancel
await self.manager.start("exec", "prompt", [self.prepared])
await polling.wait()
first = asyncio.create_task(self.manager.cancel(worker_id="pool"))
await cancelling.wait()
second = asyncio.create_task(self.manager.cancel(worker_id="pool"))
await asyncio.sleep(0)
release.set()
await asyncio.gather(first, second)
self.api.cancel.assert_awaited_once_with("job")
self.assertEqual(self.manager.ledger.all()[0]["status"], "CANCELLED")
async def test_partial_start_cleanup_does_not_leave_waiting_protection(self):
with self.assertRaises(ValueError):
await self.manager.start("exec", "prompt", [self.prepared, self.second(concurrency=2)])
await self.manager.cancel(execution_id="exec")
self.assertFalse(self.manager.pool_is_active("pool"))
self.api.submit.assert_not_awaited()
async def test_public_jobs_never_hides_unresolved_recovery_ids(self):
for index in range(22):
self.manager.ledger.update(str(index), worker_id="pool", endpoint_id="ep", status="UNKNOWN", updated_at=index)
for index in range(5):
self.manager.ledger.update("done-" + str(index), worker_id="pool", status="COMPLETED", updated_at=30 + index)
records = self.manager.public_jobs("pool")
self.assertEqual({record["record_id"] for record in records}, {str(index) for index in range(22)})
self.assertTrue(all(record["status"] == "UNKNOWN" for record in records))