llama-stack-mirror/tests/unit/providers/utils
Akram Ben Aissi 1970b4aa4b
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fix: improve model availability checks: Allows use of unavailable models on startup (#3717)
- Allows use of unavailable models on startup
- Add has_model method to ModelsRoutingTable for checking pre-registered
models
- Update check_model_availability to check model_store before provider
APIs

# What does this PR do?
<!-- Provide a short summary of what this PR does and why. Link to
relevant issues if applicable. -->

<!-- If resolving an issue, uncomment and update the line below -->
<!-- Closes #[issue-number] -->

## Test Plan
<!-- Describe the tests you ran to verify your changes with result
summaries. *Provide clear instructions so the plan can be easily
re-executed.* -->


Start llama stack and point unavailable vLLM

```
VLLM_URL=https://my-unavailable-vllm/v1 MILVUS_DB_PATH=./milvus.db INFERENCE_MODEL=vllm uv run --with llama-stack llama stack build --distro starter --image-type venv --run
```

llama stack will start without crashing but only notifying error. 

```


         - provider_id: rag-runtime
           toolgroup_id: builtin::rag
         vector_dbs: []
         version: 2

INFO     2025-10-07 06:40:41,804 llama_stack.providers.utils.inference.inference_store:74 inference: Write queue disabled for SQLite to avoid concurrency issues
INFO     2025-10-07 06:40:42,066 llama_stack.providers.utils.responses.responses_store:96 openai_responses: Write queue disabled for SQLite to avoid concurrency issues
ERROR    2025-10-07 06:40:58,882 llama_stack.providers.utils.inference.openai_mixin:436 providers::utils: VLLMInferenceAdapter.list_provider_model_ids() failed with: Request timed out.
WARNING  2025-10-07 06:40:58,883 llama_stack.core.routing_tables.models:36 core::routing_tables: Model refresh failed for provider vllm: Request timed out.
[...]
INFO     2025-10-07 06:40:59,036 uvicorn.error:216 uncategorized: Uvicorn running on http://['::', '0.0.0.0']:8321 (Press CTRL+C to quit)
INFO     2025-10-07 06:41:04,064 openai._base_client:1618 uncategorized: Retrying request to /models in 0.398814 seconds
INFO     2025-10-07 06:41:09,497 openai._base_client:1618 uncategorized: Retrying request to /models in 0.781908 seconds
ERROR    2025-10-07 06:41:15,282 llama_stack.providers.utils.inference.openai_mixin:436 providers::utils: VLLMInferenceAdapter.list_provider_model_ids() failed with: Request timed out.
WARNING  2025-10-07 06:41:15,283 llama_stack.core.routing_tables.models:36 core::routing_tables: Model refresh failed for provider vllm: Request timed out.
```
2025-10-07 14:27:24 -04:00
..
inference fix: improve model availability checks: Allows use of unavailable models on startup (#3717) 2025-10-07 14:27:24 -04:00
memory chore: Updating documentation, adding exception handling for Vector Stores in RAG Tool, more tests on migration, and migrate off of inference_api for context_retriever for RAG (#3367) 2025-09-11 14:20:11 +02:00
__init__.py fix: add check for interleavedContent (#1973) 2025-05-06 09:55:07 -07:00
test_form_data.py fix(expires_after): make sure multipart/form-data is properly parsed (#3612) 2025-09-30 16:14:03 -04:00
test_model_registry.py feat: add static embedding metadata to dynamic model listings for providers using OpenAIMixin (#3547) 2025-09-25 17:17:00 -04:00
test_openai_compat_conversion.py feat(tools)!: substantial clean up of "Tool" related datatypes (#3627) 2025-10-02 15:12:03 -07:00
test_scheduler.py chore: default to pytest asyncio-mode=auto (#2730) 2025-07-11 13:00:24 -07:00