From 298911d61bded3b81aa7d0face6e8538cb7114ed Mon Sep 17 00:00:00 2001 From: Kerry Lu Date: Fri, 30 Oct 2026 15:25:47 -0700 Subject: [PATCH] fix(batches): cost an unmanaged gs:// batch through the deployment that created it (#49301) * fix(batches): cost an unmanaged gs:// batch through the deployment that created it The create now stores the router deployment id as model_id inside the managed object row's file_object JSON and CheckBatchCost reads it before falling back to the first deployment matching the base model in the gs:// path. Rows without the field keep the old lookup * fix(batches): tolerate a non-string or malformed file_object when reading the stored deployment * fix(batches): read the stored creating deployment from the writer, not a lagging read replica * fix(batches): resolve the writer database once so the type gate count does not grow * fix(batches): decode a dict-shaped file_object when reading the stored deployment, accumulate wire samples, annotate test locals --------- Co-authored-by: devin-ai-integration[bot] <158243242+devin-ai-integration[bot]@users.noreply.github.com> --- .../proxy/common_utils/check_batch_cost.py | 31 ++- .../proxy/hooks/managed_files.py | 50 ++++- ...ed_vertex_batch_deployment_routing_wire.py | 181 ++++++++++++++++++ .../proxy/test_managed_files_hook.py | 107 +++++++++++ .../common_utils/test_check_batch_cost.py | 47 +++++ 5 files changed, 408 insertions(+), 8 deletions(-) create mode 100644 tests/integration/spend/test_unmanaged_vertex_batch_deployment_routing_wire.py diff --git a/enterprise/litellm_enterprise/proxy/common_utils/check_batch_cost.py b/enterprise/litellm_enterprise/proxy/common_utils/check_batch_cost.py index a1b4804ae29..a31e926256a 100644 --- a/enterprise/litellm_enterprise/proxy/common_utils/check_batch_cost.py +++ b/enterprise/litellm_enterprise/proxy/common_utils/check_batch_cost.py @@ -10,6 +10,7 @@ from dataclasses import replace as dataclasses_replace from datetime import datetime, timedelta from types import MappingProxyType from typing import TYPE_CHECKING, Final, List, Literal, Optional, Protocol, Tuple, cast +from pydantic import TypeAdapter, ValidationError from litellm_enterprise.proxy.common_utils.managed_object_attribution import ( ManagedObjectCreatorAttribution, @@ -50,6 +51,7 @@ def _error_names_resource(error: Exception, resource_id: str) -> bool: CHECK_BATCH_COST_USER_AGENT = "LiteLLM Proxy/CheckBatchCost" RECENT_BATCH_POLL_WINDOW: Final = timedelta(hours=48) GIVE_UP_POLLING_AFTER: Final = timedelta(days=2 * MANAGED_OBJECT_STALENESS_CUTOFF_DAYS) +_FILE_OBJECT_ADAPTER: Final[TypeAdapter[dict[str, object]]] = TypeAdapter(dict[str, object]) PROVIDER_TERMINAL_BATCH_STATUSES: Final[Tuple[str, ...]] = ( @@ -550,6 +552,10 @@ class CheckBatchCost: llm_provider: str, bare_model_name: str, ) -> Optional[Tuple[str, str]]: + stored_model_id: Final = self._get_stored_model_id(job) + if stored_model_id is not None and self._batch_deployment_exists(stored_model_id): + return stored_model_id, job.unified_object_id + deployment_id = self._get_deployment_id_for_bare_model(bare_model_name, llm_provider) if deployment_id is None: verbose_proxy_logger.info( @@ -662,23 +668,36 @@ class CheckBatchCost: ) @staticmethod - def _get_input_file_id(job: "ManagedObjectRow") -> Optional[str]: - from litellm.types.utils import LiteLLMBatch - + def _parse_file_object(job: "ManagedObjectRow") -> Optional[dict[str, object]]: file_object: Final = job.file_object try: - parsed_file_object: Final[object] = ( + return _FILE_OBJECT_ADAPTER.validate_python( json.loads(file_object) if isinstance(file_object, str) else file_object ) - except (json.JSONDecodeError, ValueError): + except (json.JSONDecodeError, ValueError, ValidationError): return None - if not isinstance(parsed_file_object, dict): + + @classmethod + def _get_input_file_id(cls, job: "ManagedObjectRow") -> Optional[str]: + from litellm.types.utils import LiteLLMBatch + + parsed_file_object: Final = cls._parse_file_object(job) + if parsed_file_object is None: return None try: return LiteLLMBatch.model_validate(parsed_file_object).input_file_id except Exception: return None + @classmethod + def _get_stored_model_id(cls, job: "ManagedObjectRow") -> Optional[str]: + """The deployment that created the batch, written into file_object by the managed + files hook at create time. Older rows have no such key and fall back to matching + the bare model name against the router.""" + parsed_file_object: Final = cls._parse_file_object(job) + model_id: Final = parsed_file_object.get("model_id") if parsed_file_object else None + return model_id if isinstance(model_id, str) and model_id else None + async def _track_completed_batch_cost( self, job: "ManagedObjectRow", diff --git a/enterprise/litellm_enterprise/proxy/hooks/managed_files.py b/enterprise/litellm_enterprise/proxy/hooks/managed_files.py index 5b54e7d72a0..0d46efbbb08 100644 --- a/enterprise/litellm_enterprise/proxy/hooks/managed_files.py +++ b/enterprise/litellm_enterprise/proxy/hooks/managed_files.py @@ -21,6 +21,7 @@ from typing import ( TypedDict, Union, cast, + runtime_checkable, ) from uuid import NAMESPACE_URL, uuid5 @@ -374,6 +375,12 @@ class _ManagedResourcePrismaClient(Protocol): def db(self) -> _ManagedResourceDatabase: ... +@runtime_checkable +class _WriterRoutedDatabase(Protocol): + @property + def writer(self) -> _ManagedResourceDatabase: ... + + class _SchedulerWithJobLookup(Protocol): def get_job(self, job_id: str) -> object: ... @@ -479,6 +486,11 @@ def _managed_object_table(prisma_client: _ManagedResourcePrismaClient) -> _Manag return prisma_client.db.litellm_managedobjecttable +def _writer_database(db: _ManagedResourceDatabase) -> _ManagedResourceDatabase: + """Reads that feed a write must see the create that just happened; a lagging read replica may not""" + return db.writer if isinstance(db, _WriterRoutedDatabase) else db + + _JSON_VALUE_ADAPTER: Final[TypeAdapter[JsonValue]] = TypeAdapter(JsonValue) _POSTGRES_UNSTORABLE_CHARACTER: Final = "\x00" @@ -512,6 +524,25 @@ def _without_model_output( ) +def _with_model_id( + file_object: LiteLLMBatch | LiteLLMFineTuningJob | ResponsesAPIResponse, + model_id: str | None, +) -> LiteLLMBatch | LiteLLMFineTuningJob | ResponsesAPIResponse: + return file_object if model_id is None else file_object.model_copy(update={"model_id": model_id}) + + +async def _stored_model_id(managed_object_table: _ManagedObjectTableActions, unified_object_id: str) -> str | None: + row: Final = await managed_object_table.find_first(where={"unified_object_id": unified_object_id}) + if row is None: + return None + try: + parsed: Final = _JSON_VALUE_ADAPTER.validate_python(_decode_json_blob(row.file_object)) + except (json.JSONDecodeError, ValidationError): + return None + model_id: Final = parsed.get("model_id") if isinstance(parsed, dict) else None + return model_id if isinstance(model_id, str) and model_id else None + + def _storage_metadata_of(file_object: OpenAIFileObject | None) -> Mapping[str, str]: hidden_params: Final = cast( # cast-ok: _hidden_params is an untyped attribute the upload path sets "Mapping[str, object]", getattr(file_object, "_hidden_params", None) or {} @@ -697,9 +728,17 @@ class _PROXY_LiteLLMManagedFiles(CustomLogger, BaseFileEndpoints): persist_attribution: bool = False, create_if_missing: bool = True, batch_processed: bool = False, + creating_model_id: str | None = None, ) -> None: """Persist a managed object row, caching it and upserting it in the DB. + creating_model_id is the router deployment that created the object. It is kept + inside the stored file_object JSON as `model_id`, because the raw provider id an + unmanaged batch stores as unified_object_id says nothing about which deployment + made it, and the cost poller needs that deployment to read the result back. A + later observe of the row (create_if_missing=False) keeps the stored value rather + than overwriting it with whichever deployment served the retrieve. + persist_attribution is set only by the batch and background response creates, the callers that can speak for the creator; it gates the api_key, request_tags, and, for a response, end_user_id columns that the cost poll jobs bill against, so a later poll or @@ -720,7 +759,14 @@ class _PROXY_LiteLLMManagedFiles(CustomLogger, BaseFileEndpoints): It is written only in the upsert create branch. """ verbose_logger.info(f"Storing LiteLLM Managed {file_purpose} object with id={unified_object_id} in cache") - stored_object: Final = _without_model_output(file_object) + managed_database: Final = _managed_database(self.prisma_client) + managed_object_table: Final = managed_database.litellm_managedobjecttable + preserved_model_id: Final = ( + creating_model_id + if creating_model_id is not None or create_if_missing + else await _stored_model_id(_writer_database(managed_database).litellm_managedobjecttable, unified_object_id) + ) + stored_object: Final = _with_model_id(_without_model_output(file_object), preserved_model_id) litellm_managed_object = LiteLLM_ManagedObjectTable( unified_object_id=unified_object_id, model_object_id=model_object_id, @@ -752,7 +798,6 @@ class _PROXY_LiteLLMManagedFiles(CustomLogger, BaseFileEndpoints): "status": file_object.status, "updated_by": user_api_key_dict.user_id, } - managed_object_table: Final = _managed_object_table(self.prisma_client) if not create_if_missing: await managed_object_table.update_many( where={"unified_object_id": unified_object_id}, @@ -2170,6 +2215,7 @@ class _PROXY_LiteLLMManagedFiles(CustomLogger, BaseFileEndpoints): request_tags=request_tags_from_metadata(request_metadata if isinstance(request_metadata, dict) else {}), persist_attribution=is_batch_create, create_if_missing=is_batch_create, + creating_model_id=model_id if is_batch_create else None, ) if not is_batch_create: await self.store_batch_output_file_ownership( diff --git a/tests/integration/spend/test_unmanaged_vertex_batch_deployment_routing_wire.py b/tests/integration/spend/test_unmanaged_vertex_batch_deployment_routing_wire.py new file mode 100644 index 00000000000..91269e6557f --- /dev/null +++ b/tests/integration/spend/test_unmanaged_vertex_batch_deployment_routing_wire.py @@ -0,0 +1,181 @@ +"""Two Vertex deployments share a base model but live in different projects with different +buckets. An unmanaged gs:// batch created on the second one must be polled through that +deployment (LIT-10326). Before the fix the cost poller matched the base model name in the +gs:// path to the first deployment in the list and asked the wrong project for the job.""" + +import json +import re +from collections.abc import Callable +from contextlib import ExitStack +from pathlib import Path +from typing import Final +from uuid import uuid4 + +import pytest +import yaml +from integration._support.client import JSON_OBJECT, Gateway, eventually, object_value, string_value +from integration._support.process import owned_proxy_process +from integration._support.vertex import service_account_json +from integration._support.wire import Reply, Request, wire_server +from pydantic import JsonValue + +LOCATION: Final = "us-central1" +BASE_MODEL: Final = "gemini-2.5-flash" +TEAMS: Final = ("a", "b") +_JOB_PATH: Final = re.compile( + r"^/v1/projects/(?P[^/]+)/locations/(?P[^/]+)/batchPredictionJobs(?:/(?P\d+))?$" +) + + +def _project(team: str) -> str: + return f"scripted-project-{team}" + + +def _deployment(team: str) -> str: + return f"{BASE_MODEL}-team-{team}" + + +def _input_file(team: str) -> str: + return f"gs://scripted-bucket-{team}/litellm-vertex-files/publishers/google/models/{BASE_MODEL}/{uuid4().hex}/input.jsonl" + + +def _job_number(team: str) -> str: + return f"{TEAMS.index(team) + 1}{uuid4().int % 10**17:017d}" + + +def _vertex_peer(jobs: dict[str, tuple[str, str]]) -> Callable[[Request], Reply]: + """A Vertex double that remembers which project each job was created in. A retrieve + from any other project answers the 404 real Vertex gives (the job does not exist + there), a retrieve from the right one reports the job still running.""" + + def respond(request: Request) -> Reply: + path: Final = _JOB_PATH.match(request.target.split("?", 1)[0]) + assert path is not None, request.target + assert request.headers.get("authorization") == "Bearer scripted-token", request.headers + project, location, job = path.group("project"), path.group("location"), path.group("job") + if request.method == "POST": + team: Final = project.rsplit("-", 1)[-1] + uri: Final = re.search(r'"(gs://[^"]+)"', request.body.decode()) + assert uri is not None and uri.group(1).startswith(f"gs://scripted-bucket-{team}/"), (project, request.body) + created, created_uri = jobs.setdefault(project, (_job_number(team), uri.group(1))) + return Reply(body=json.dumps(_job(project, location, created, created_uri, "JOB_STATE_PENDING")).encode()) + assert request.method == "GET" and job is not None, (request.method, request.target) + known: Final = jobs.get(project) + if known is None or known[0] != job: + return Reply( + status=404, + body=json.dumps( + { + "error": { + "code": 404, + "message": f"The BatchPredictionJob does not exist: {job}", + "status": "NOT_FOUND", + } + } + ).encode(), + ) + return Reply(body=json.dumps(_job(project, location, job, known[1], "JOB_STATE_RUNNING")).encode()) + + return respond + + +def _job(project: str, location: str, job: str, input_uri: str, state: str) -> dict[str, JsonValue]: + return { + "name": f"projects/{project}/locations/{location}/batchPredictionJobs/{job}", + "displayName": "litellm-vertex-batch-scripted", + "model": f"publishers/google/models/{BASE_MODEL}", + "inputConfig": {"gcsSource": {"uris": [input_uri]}, "instancesFormat": "jsonl"}, + "outputConfig": {"predictionsFormat": "jsonl", "gcsDestination": {"outputUriPrefix": input_uri.rsplit("/", 1)[0]}}, + "state": state, + "createTime": "2026-10-30T20:00:00.000000Z", + "updateTime": "2026-10-30T20:00:00.000000Z", + } + + +def _owned_config(path: Path, gateway: Gateway, wire_url: str) -> Path: + config: Final = JSON_OBJECT.validate_python(yaml.safe_load(Path("tests/integration/proxy_config.yaml").read_text())) + path.write_text( + yaml.safe_dump( + { + **config, + "model_list": [ + { + "model_name": _deployment(team), + "litellm_params": { + "model": f"vertex_ai/{BASE_MODEL}", + "api_base": wire_url, + "vertex_project": _project(team), + "vertex_location": LOCATION, + "vertex_credentials": service_account_json(_project(team), gateway.upstream_url.rstrip("/")), + "gcs_bucket_name": f"scripted-bucket-{team}", + }, + } + for team in TEAMS + ], + "general_settings": { + **object_value(config.get("general_settings") or {}), + "track_unmanaged_batch_cost": True, + }, + "litellm_settings": { + **object_value(config.get("litellm_settings") or {}), + "enable_loadbalancing_on_batch_endpoints": True, + "user_url_allowed_hosts": ["127.0.0.1"], + }, + } + ) + ) + return path + + +def _create_batch(gateway: Gateway, key: str, team: str) -> str: + response: Final = gateway.request( + "POST", + "/v1/batches", + { + "input_file_id": _input_file(team), + "endpoint": "/v1/chat/completions", + "completion_window": "24h", + "model": _deployment(team), + }, + key=key, + ) + assert response.status_code == 200, response.text + return string_value(JSON_OBJECT.validate_json(response.content)["id"]) + + +def _retrieve_targets(requests: tuple[Request, ...], job: str) -> tuple[str, ...]: + return tuple(request.target for request in requests if request.method == "GET" and request.target.endswith(f"/{job}")) + + +@pytest.mark.timeout(240) +def test_unmanaged_batch_on_the_second_deployment_sharing_a_base_model_is_polled_through_its_own_project( + gateway: Gateway, tmp_path: Path +) -> None: + jobs: Final[dict[str, tuple[str, str]]] = {} # mutable-ok: the wire double records which project created each job + with ExitStack() as stack: + wire: Final = stack.enter_context(wire_server(_vertex_peer(jobs))) + config: Final = _owned_config(tmp_path / "two-vertex-teams.yaml", gateway, wire.url) + owned: Final = stack.enter_context(owned_proxy_process(gateway, tmp_path, {}, config=config)) + scenario: Final = stack.enter_context(owned.gateway.scenario()) + key: Final = scenario.key(models=[_deployment(team) for team in TEAMS]) + + batch_a: Final = _create_batch(owned.gateway, key, "a") + batch_b: Final = _create_batch(owned.gateway, key, "b") + assert (batch_a, batch_b) == (jobs[_project("a")][0], jobs[_project("b")][0]), (batch_a, batch_b, jobs) + + seen: Final[list[Request]] = [] # mutable-ok: drain empties the wire queue, so samples accumulate across retries + + def polled_so_far() -> tuple[Request, ...]: + seen.extend(wire.drain()) + return tuple(seen) + + polled: Final = eventually( + polled_so_far, + lambda requests: bool(_retrieve_targets(requests, batch_b)) and bool(_retrieve_targets(requests, batch_a)), + seconds=90, + ) + for team, batch in (("a", batch_a), ("b", batch_b)): + assert all( + target.startswith(f"/v1/projects/{_project(team)}/") for target in _retrieve_targets(polled, batch) + ), (team, _retrieve_targets(polled, batch)) + diff --git a/tests/unit/enterprise/proxy/test_managed_files_hook.py b/tests/unit/enterprise/proxy/test_managed_files_hook.py index f2df14cc8a3..89fff365c3f 100644 --- a/tests/unit/enterprise/proxy/test_managed_files_hook.py +++ b/tests/unit/enterprise/proxy/test_managed_files_hook.py @@ -1437,6 +1437,8 @@ def _make_object_store_instance(): mock_prisma = MagicMock() mock_prisma.db.litellm_managedobjecttable.upsert = AsyncMock() mock_prisma.db.litellm_managedobjecttable.update_many = AsyncMock() + mock_prisma.db.litellm_managedobjecttable.find_first = AsyncMock(return_value=None) + mock_prisma.db.writer = mock_prisma.db return ( PROXY_LiteLLMManagedFiles( @@ -2161,3 +2163,108 @@ async def test_store_unified_file_id_caches_the_storage_location_the_db_row_gets assert (cached.storage_backend, cached.storage_url) == ("litellm_db", "litellm_db://content-row-1") create_data = file_table.upsert.await_args.kwargs["data"]["create"] assert (create_data["storage_backend"], create_data["storage_url"]) == ("litellm_db", "litellm_db://content-row-1") + + +@pytest.mark.asyncio +async def test_create_stores_the_creating_deployment_in_file_object(): + """Regression (LIT-10326): an unmanaged gs:// batch stores the raw Vertex job id, which + says nothing about which of two deployments sharing a base model created it. The create + must keep the router's deployment id inside the stored file_object so the cost poller + reads the result through that deployment instead of the first base-model match.""" + managed_files, mock_prisma = _make_object_store_instance() + creator: Final = UserAPIKeyAuth(api_key="sk-team-b", user_id="bob", team_id="team-b", parent_otel_span=None) + + await managed_files.store_unified_object_id( + unified_object_id="projects/123/locations/us/batchPredictionJobs/456", + file_object=_make_batch_response(status="validating"), + litellm_parent_otel_span=None, + model_object_id="projects/123/locations/us/batchPredictionJobs/456", + file_purpose="batch", + user_api_key_dict=creator, + persist_attribution=True, + create_if_missing=True, + creating_model_id="deploy-team-b", + ) + + created: Final = mock_prisma.db.litellm_managedobjecttable.upsert.await_args.kwargs["data"]["create"] + assert json.loads(created["file_object"])["model_id"] == "deploy-team-b" + + +@pytest.mark.asyncio +async def test_poll_refresh_keeps_the_stored_creating_deployment(): + """A later observe of the row (a GET through whichever deployment the client named) + rewrites file_object; it must carry the create-time model_id forward, not drop it or + replace it with the deployment that served the retrieve.""" + managed_files, mock_prisma = _make_object_store_instance() + stored_row: Final = MagicMock() + stored_row.file_object = json.dumps({**json.loads(_make_batch_response(status="validating").model_dump_json()), "model_id": "deploy-team-b"}) + mock_prisma.db.litellm_managedobjecttable.find_first = AsyncMock(return_value=stored_row) + observer: Final = UserAPIKeyAuth(api_key="sk-team-b", user_id="bob", team_id="team-b", parent_otel_span=None) + + await managed_files.store_unified_object_id( + unified_object_id="projects/123/locations/us/batchPredictionJobs/456", + file_object=_make_batch_response(status="completed"), + litellm_parent_otel_span=None, + model_object_id="projects/123/locations/us/batchPredictionJobs/456", + file_purpose="batch", + user_api_key_dict=observer, + persist_attribution=False, + create_if_missing=False, + ) + + written: Final = json.loads(mock_prisma.db.litellm_managedobjecttable.update_many.await_args.kwargs["data"]["file_object"]) + assert written["model_id"] == "deploy-team-b" + assert written["status"] == "completed" + + +@pytest.mark.asyncio +async def test_poll_refresh_reads_the_stored_creating_deployment_from_the_writer(): + """With a read replica configured, a retrieve that lands before the replica has the create + must still find the create-time model_id, so the lookup goes to the writer. Prisma may hand + the Json column back already decoded, so the row here is a dict rather than JSON text.""" + managed_files, mock_prisma = _make_object_store_instance() + stored_row: Final = MagicMock() + stored_row.file_object = {**json.loads(_make_batch_response(status="validating").model_dump_json()), "model_id": "deploy-team-b"} + mock_prisma.db.litellm_managedobjecttable.find_first = AsyncMock(return_value=None) + mock_prisma.db.writer = MagicMock() + mock_prisma.db.writer.litellm_managedobjecttable.find_first = AsyncMock(return_value=stored_row) + observer: Final = UserAPIKeyAuth(api_key="sk-team-b", user_id="bob", team_id="team-b", parent_otel_span=None) + + await managed_files.store_unified_object_id( + unified_object_id="projects/123/locations/us/batchPredictionJobs/456", + file_object=_make_batch_response(status="completed"), + litellm_parent_otel_span=None, + model_object_id="projects/123/locations/us/batchPredictionJobs/456", + file_purpose="batch", + user_api_key_dict=observer, + persist_attribution=False, + create_if_missing=False, + ) + + written: Final = json.loads(mock_prisma.db.litellm_managedobjecttable.update_many.await_args.kwargs["data"]["file_object"]) + assert written["model_id"] == "deploy-team-b" + mock_prisma.db.litellm_managedobjecttable.find_first.assert_not_awaited() + + +@pytest.mark.asyncio +async def test_batch_create_hook_passes_the_router_deployment_as_creating_model_id(): + """The post-call hook on a batch create hands the router's model_id to the object store; + a retrieve of the same batch hands None so it cannot overwrite the creator.""" + from litellm_enterprise.proxy.hooks.managed_files import BATCH_CREATE_HIDDEN_PARAM + + managed_files: Final = _make_managed_files_instance() + created: Final = _make_batch_response(model_id="deploy-team-b", output_file_id=None, status="validating") + created._hidden_params[BATCH_CREATE_HIDDEN_PARAM] = True + retrieved: Final = _make_batch_response(model_id="deploy-team-a", output_file_id=None, status="in_progress") + + with patch("litellm.proxy.proxy_server.llm_router", MagicMock()): + await managed_files.async_post_call_success_hook( + data={}, user_api_key_dict=_make_user_api_key_dict(), response=created + ) + await managed_files.async_post_call_success_hook( + data={}, user_api_key_dict=_make_user_api_key_dict(), response=retrieved + ) + + first, second = managed_files.store_unified_object_id.await_args_list + assert first.kwargs["creating_model_id"] == "deploy-team-b" + assert second.kwargs["creating_model_id"] is None diff --git a/tests/unit/proxy/common_utils/test_check_batch_cost.py b/tests/unit/proxy/common_utils/test_check_batch_cost.py index 4861b2687de..5b37cee88c5 100644 --- a/tests/unit/proxy/common_utils/test_check_batch_cost.py +++ b/tests/unit/proxy/common_utils/test_check_batch_cost.py @@ -1771,6 +1771,53 @@ class TestUnmanagedVertexRouting: assert result == ("deploy-ft", "8823717160934178816") + def _two_team_deployments(self): + """Two Vertex deployments sharing the base model, team A listed first.""" + return [ + { + "model_name": f"gemini-2.5-flash-team-{team}", + "litellm_params": {"model": "vertex_ai/gemini-2.5-flash", "custom_llm_provider": "vertex_ai"}, + "model_info": {"id": f"deploy-team-{team}"}, + } + for team in ("a", "b") + ] + + def test_flag_on_prefers_the_deployment_stored_on_the_row_over_the_first_base_model_match(self): + """Regression (LIT-10326): two deployments share gemini-2.5-flash with different + buckets. A batch created on team B's deployment stores deploy-team-b in file_object, + so the poller must read it back through team B, not the first match (team A).""" + router: Final = MagicMock() + router.registry.return_value.resolve.return_value = None + router.registry.return_value.deployments.return_value = self._two_team_deployments() + router.registry.return_value.deployment = MagicMock(return_value=self._vertex_deployment()) + instance: Final = self._instance(track_unmanaged=True, router=router) + job: Final = self._job( + file_object=json.dumps({**json.loads(_unmanaged_vertex_file_object()), "model_id": "deploy-team-b"}) + ) + + with patch(_IS_B64, return_value=False): + result: Final = instance._resolve_job_routing(job, MagicMock()) + + assert result == ("deploy-team-b", "8823717160934178816") + router.registry.return_value.deployment.assert_called_once_with("deploy-team-b") + + def test_flag_on_falls_back_to_base_model_match_when_the_stored_deployment_is_gone(self): + """The stored deployment was removed from the config after the batch was created: + the row still routes through today's base-model lookup instead of being skipped.""" + router: Final = MagicMock() + router.registry.return_value.resolve.return_value = None + router.registry.return_value.deployments.return_value = self._two_team_deployments() + router.registry.return_value.deployment = MagicMock(return_value=None) + instance: Final = self._instance(track_unmanaged=True, router=router) + job: Final = self._job( + file_object=json.dumps({**json.loads(_unmanaged_vertex_file_object()), "model_id": "deploy-removed"}) + ) + + with patch(_IS_B64, return_value=False): + result: Final = instance._resolve_job_routing(job, MagicMock()) + + assert result == ("deploy-team-a", "8823717160934178816") + def test_flag_on_skips_non_vertex_deployment_sharing_model_group(self): """Flag on, but the only deployment for the model group is a non-vertex_ai provider: must not be selected, even though the model group name matches."""