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Author SHA1 Message Date
Ben Browning
f394c7f2d9
feat: Add missing Vector Store Files API surface (#2468)
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# What does this PR do?

This adds the ability to list, retrieve, update, and delete Vector Store
Files. It implements these new APIs for the faiss and sqlite-vec
providers, since those are the two that also have the rest of the vector
store files implementation.

Closes #2445 

## Test Plan

### test_openai_vector_stores Integration Tests

There are a number of new integration tests added, which I ran for each
provider as outlined below.

faiss (from ollama distro):

```
INFERENCE_MODEL="meta-llama/Llama-3.2-3B-Instruct" \
llama stack run llama_stack/templates/ollama/run.yaml

LLAMA_STACK_CONFIG=http://localhost:8321 \
pytest -sv tests/integration/vector_io/test_openai_vector_stores.py \
  --embedding-model=all-MiniLM-L6-v2
```

sqlite-vec (from starter distro):

```
llama stack run llama_stack/templates/starter/run.yaml

LLAMA_STACK_CONFIG=http://localhost:8321 \
pytest -sv tests/integration/vector_io/test_openai_vector_stores.py \
  --embedding-model=all-MiniLM-L6-v2
```

### file_search verification tests

I also ensured the file_search verification tests continue to work, both
for faiss and sqlite-vec.

faiss (ollama distro):

```
INFERENCE_MODEL="meta-llama/Llama-3.2-3B-Instruct" \
llama stack run llama_stack/templates/ollama/run.yaml

pytest -sv tests/verifications/openai_api/test_responses.py \
  -k'file_search' \
  --base-url=http://localhost:8321/v1/openai/v1 \
  --model=meta-llama/Llama-3.2-3B-Instruct
```


sqlite-vec (starter distro):

```
llama stack run llama_stack/templates/starter/run.yaml

pytest -sv tests/verifications/openai_api/test_responses.py \
  -k'file_search' \
  --base-url=http://localhost:8321/v1/openai/v1 \
  --model=together/meta-llama/Llama-3.2-3B-Instruct-Turbo
```

---------

Signed-off-by: Ben Browning <bbrownin@redhat.com>
2025-06-19 11:08:24 -04:00
Sumit Jaiswal
90d03552d4
feat: To add health check for faiss inline vector_io provider (#2319)
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# What does this PR do?
<!-- Provide a short summary of what this PR does and why. Link to
relevant issues if applicable. -->
To add health check for faiss inline vector_io provider.

I tried adding `async def health(self) -> HealthResponse:` like in
inference provider, but it didn't worked for `inline->vector_io->faiss`
provider. And via debug logs, I understood the critical issue, that the
health responses are being stored with the API name as the key, not as a
nested dictionary with provider IDs. This means that all providers of
the same API type (e.g., "vector_io") will share the same health
response, and only the last one processed will be visible in the API
response.
I've created a patch file that fixes this issue by:
- Storing the original get_providers_health method
- Creating a patched version that correctly maps health responses to
providers
- Applying the patch to the `ProviderImpl` class

Not an expert, so please let me know, if there can be any other
workaround using which I can get the health status updated directly from
`faiss.py`.

<!-- 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.* -->
Added unit tests to test the provider patch implementation in the PR.
Adding a screenshot with the FAISS inline vector_io health status as
"OK"


![faiss_health_check](https://github.com/user-attachments/assets/d769e762-890c-41ea-a596-5e90951f79a4)
2025-06-18 17:56:25 +02:00
Varsha
2e8054bede
feat: Implement hybrid search in SQLite-vec (#2312)
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# What does this PR do?
Add support for hybrid search mode in SQLite-vec provider, which
combines
keyword and vector search for better results. The implementation:

- Adds hybrid search mode as a new option alongside vector and keyword
search
- Implements query_hybrid method in SQLiteVecIndex that:
  - First performs keyword search to get candidate matches
  - Then applies vector similarity search on those candidates
- Updates documentation to reflect the new search mode

This change improves search quality by leveraging both semantic
similarity
and keyword matching, while maintaining backward compatibility with
existing
vector and keyword search modes.

## Test Plan
```
pytest tests/unit/providers/vector_io/test_sqlite_vec.py -v -s --tb=short
/Users/vnarsing/miniconda3/envs/stack-client/lib/python3.10/site-packages/pytest_asyncio/plugin.py:217: PytestDeprecationWarning: The configuration option "asyncio_default_fixture_loop_scope" is unset.
The event loop scope for asynchronous fixtures will default to the fixture caching scope. Future versions of pytest-asyncio will default the loop scope for asynchronous fixtures to function scope. Set the default fixture loop scope explicitly in order to avoid unexpected behavior in the future. Valid fixture loop scopes are: "function", "class", "module", "package", "session"

  warnings.warn(PytestDeprecationWarning(_DEFAULT_FIXTURE_LOOP_SCOPE_UNSET))
=============================================================================================== test session starts ===============================================================================================
platform darwin -- Python 3.10.16, pytest-8.3.5, pluggy-1.5.0 -- /Users/vnarsing/miniconda3/envs/stack-client/bin/python
cachedir: .pytest_cache
metadata: {'Python': '3.10.16', 'Platform': 'macOS-14.7.6-arm64-arm-64bit', 'Packages': {'pytest': '8.3.5', 'pluggy': '1.5.0'}, 'Plugins': {'html': '4.1.1', 'json-report': '1.5.0', 'timeout': '2.4.0', 'metadata': '3.1.1', 'anyio': '4.8.0', 'asyncio': '0.26.0', 'nbval': '0.11.0', 'cov': '6.1.1'}}
rootdir: /Users/vnarsing/go/src/github/meta-llama/llama-stack
configfile: pyproject.toml
plugins: html-4.1.1, json-report-1.5.0, timeout-2.4.0, metadata-3.1.1, anyio-4.8.0, asyncio-0.26.0, nbval-0.11.0, cov-6.1.1
asyncio: mode=strict, asyncio_default_fixture_loop_scope=None, asyncio_default_test_loop_scope=function
collected 10 items                                                                                                                                                                                                

tests/unit/providers/vector_io/test_sqlite_vec.py::test_add_chunks PASSED
tests/unit/providers/vector_io/test_sqlite_vec.py::test_query_chunks_vector PASSED
tests/unit/providers/vector_io/test_sqlite_vec.py::test_query_chunks_full_text_search PASSED
tests/unit/providers/vector_io/test_sqlite_vec.py::test_query_chunks_hybrid PASSED
tests/unit/providers/vector_io/test_sqlite_vec.py::test_query_chunks_full_text_search_k_greater_than_results PASSED
tests/unit/providers/vector_io/test_sqlite_vec.py::test_chunk_id_conflict PASSED
tests/unit/providers/vector_io/test_sqlite_vec.py::test_generate_chunk_id PASSED
tests/unit/providers/vector_io/test_sqlite_vec.py::test_query_chunks_hybrid_no_keyword_matches PASSED
tests/unit/providers/vector_io/test_sqlite_vec.py::test_query_chunks_hybrid_score_threshold PASSED
tests/unit/providers/vector_io/test_sqlite_vec.py::test_query_chunks_hybrid_different_embedding PASSED
```

---------

Signed-off-by: Varsha Prasad Narsing <varshaprasad96@gmail.com>
2025-06-13 15:54:06 -04:00
Ben Browning
941f505eb0
feat: File search tool for Responses API (#2426)
# What does this PR do?

This is an initial working prototype of wiring up the `file_search`
builtin tool for the Responses API to our existing rag knowledge search
tool.

This is me seeing what I could pull together on top of the bits we
already have merged. This may not be the ideal way to implement this,
and things like how I shuffle the vector store ids from the original
response API tool request to the actual tool execution feel a bit hacky
(grep for `tool_kwargs["vector_db_ids"]` in `_execute_tool_call` to see
what I mean).

## Test Plan

I stubbed in some new tests to exercise this using text and pdf
documents.

Note that this is currently under tests/verification only because it
sometimes flakes with tool calling of the small Llama-3.2-3B model we
run in CI (and that I use as an example below). We'd want to make the
test a bit more robust in some way if we moved this over to
tests/integration and ran it in CI.

### OpenAI SaaS (to verify test correctness)

```
pytest -sv tests/verifications/openai_api/test_responses.py \
  -k 'file_search' \
  --base-url=https://api.openai.com/v1 \
  --model=gpt-4o
```

### Fireworks with faiss vector store

```
llama stack run llama_stack/templates/fireworks/run.yaml

pytest -sv tests/verifications/openai_api/test_responses.py \
  -k 'file_search' \
  --base-url=http://localhost:8321/v1/openai/v1 \
  --model=meta-llama/Llama-3.3-70B-Instruct
```

### Ollama with faiss vector store

This sometimes flakes on Ollama because the quantized small model
doesn't always choose to call the tool to answer the user's question.
But, it often works.

```
ollama run llama3.2:3b

INFERENCE_MODEL="meta-llama/Llama-3.2-3B-Instruct" \
llama stack run ./llama_stack/templates/ollama/run.yaml \
  --image-type venv \
  --env OLLAMA_URL="http://0.0.0.0:11434"

pytest -sv tests/verifications/openai_api/test_responses.py \
  -k'file_search' \
  --base-url=http://localhost:8321/v1/openai/v1 \
  --model=meta-llama/Llama-3.2-3B-Instruct
```

### OpenAI provider with sqlite-vec vector store

```
llama stack run ./llama_stack/templates/starter/run.yaml --image-type venv

 pytest -sv tests/verifications/openai_api/test_responses.py \
  -k 'file_search' \
  --base-url=http://localhost:8321/v1/openai/v1 \
  --model=openai/gpt-4o-mini
```

### Ensure existing vector store integration tests still pass

```
ollama run llama3.2:3b

INFERENCE_MODEL="meta-llama/Llama-3.2-3B-Instruct" \
llama stack run ./llama_stack/templates/ollama/run.yaml \
  --image-type venv \
  --env OLLAMA_URL="http://0.0.0.0:11434"

LLAMA_STACK_CONFIG=http://localhost:8321 \
pytest -sv tests/integration/vector_io \
  --text-model "meta-llama/Llama-3.2-3B-Instruct" \
  --embedding-model=all-MiniLM-L6-v2
```

---------

Signed-off-by: Ben Browning <bbrownin@redhat.com>
2025-06-13 14:32:48 -04:00
Hardik Shah
d55100d9b7
feat: OpenAIVectorIOMixin for vector_stores common logic (#2427)
Extracts common OpenAI vector-store code into its own mixin so that all
providers can share the same core logic.
This also makes it easy for Llama Stack to support both vector-stores
and Llama Stack APIs in the interim so that both share the same
underlying vector-dbs.

Each provider contains storage specific logic to `create / edit / delete
/ list` vector dbs while the plumbing logic is standardized in the
common code.

Ensured that this works well with both faiss and sqllite-vec. 

### Test Plan 
```
llama stack run starter
pytest -sv --stack-config http://localhost:8321 tests/integration/vector_io/test_openai_vector_stores.py --embedding-model all-MiniLM-L6-v2
```
2025-06-11 15:40:57 -07:00
Hardik Shah
5ac43268e8
feat: Add OpenAI compat /v1/vector_store APIs (#2423)
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Adding OpenAI compat `/v1/vector-store` apis. 
This PR implements the `faiss` provider with followup PRs coming up for
other providers.

Added routes to create, update, delete, list vector stores. 
Also added route to search a vector store

Inserting into vector stores is missing and will be a follow up diff. 

### Test Plan 
- Added new integration test for testing the faiss provider 
```
pytest -sv --stack-config http://localhost:8321 tests/integration/vector_io/test_openai_vector_stores.py --embedding-model all-MiniLM-L6-v2
```
2025-06-10 13:07:39 -07:00
Ibrahim Haroon
a34cef925b
fix(faiss): handle case where distance is 0 by setting d to minimum positive… (#2387)
# What does this PR do?
Adds try-catch to faiss `query_vector` function for when the distance
between the query embedding and an embedding within the vector db is 0
(identical vectors). Catches `ZeroDivisionError` and then appends `(1.0
/ sys.float_info.min)` to `scores` to represent maximum similarity.

<!-- If resolving an issue, uncomment and update the line below -->
Closes [#2381]

## Test Plan
Checkout this PR

Execute this code and there will no longer be a `ZeroDivisionError`
exception
```
from llama_stack_client import LlamaStackClient

base_url = "http://localhost:8321"
client = LlamaStackClient(base_url=base_url)

models = client.models.list()
embedding_model = (
    em := next(m for m in models if m.model_type == "embedding")
).identifier
embedding_dimension = 384

_ = client.vector_dbs.register(
    vector_db_id="foo_db",
    embedding_model=embedding_model,
    embedding_dimension=embedding_dimension,
    provider_id="faiss",
)

chunk = {
    "content": "foo",
    "mime_type": "text/plain",
    "metadata": {
        "document_id": "foo-id"
    }
}

client.vector_io.insert(vector_db_id="foo_db", chunks=[chunk])
client.vector_io.query(vector_db_id="foo_db", query="foo")
```

### Running unit tests
`uv run pytest tests/unit/rag/test_rag_query.py -v`

---------

Signed-off-by: Ben Browning <bbrownin@redhat.com>
Co-authored-by: Ben Browning <bbrownin@redhat.com>
2025-06-07 16:09:46 -04:00
Varsha
e92301f2d7
feat(sqlite-vec): enable keyword search for sqlite-vec (#1439)
# What does this PR do?
This PR introduces support for keyword based FTS5 search with BM25
relevance scoring. It makes changes to the existing EmbeddingIndex base
class in order to support a search_mode and query_str parameter, that
can be used for keyword based search implementations.

[//]: # (If resolving an issue, uncomment and update the line below)
[//]: # (Closes #[issue-number])

## Test Plan
run 
```
pytest llama_stack/providers/tests/vector_io/test_sqlite_vec.py -v -s --tb=short --disable-warnings --asyncio-mode=auto
```
Output:
```
pytest llama_stack/providers/tests/vector_io/test_sqlite_vec.py -v -s --tb=short --disable-warnings --asyncio-mode=auto
/Users/vnarsing/miniconda3/envs/stack-client/lib/python3.10/site-packages/pytest_asyncio/plugin.py:207: PytestDeprecationWarning: The configuration option "asyncio_default_fixture_loop_scope" is unset.
The event loop scope for asynchronous fixtures will default to the fixture caching scope. Future versions of pytest-asyncio will default the loop scope for asynchronous fixtures to function scope. Set the default fixture loop scope explicitly in order to avoid unexpected behavior in the future. Valid fixture loop scopes are: "function", "class", "module", "package", "session"

  warnings.warn(PytestDeprecationWarning(_DEFAULT_FIXTURE_LOOP_SCOPE_UNSET))
====================================================== test session starts =======================================================
platform darwin -- Python 3.10.16, pytest-8.3.4, pluggy-1.5.0 -- /Users/vnarsing/miniconda3/envs/stack-client/bin/python
cachedir: .pytest_cache
metadata: {'Python': '3.10.16', 'Platform': 'macOS-14.7.4-arm64-arm-64bit', 'Packages': {'pytest': '8.3.4', 'pluggy': '1.5.0'}, 'Plugins': {'html': '4.1.1', 'metadata': '3.1.1', 'asyncio': '0.25.3', 'anyio': '4.8.0'}}
rootdir: /Users/vnarsing/go/src/github/meta-llama/llama-stack
configfile: pyproject.toml
plugins: html-4.1.1, metadata-3.1.1, asyncio-0.25.3, anyio-4.8.0
asyncio: mode=auto, asyncio_default_fixture_loop_scope=None
collected 7 items                                                                                                                

llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_add_chunks PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_query_chunks_vector PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_query_chunks_fts PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_chunk_id_conflict PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_register_vector_db PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_unregister_vector_db PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_generate_chunk_id PASSED
```


For reference, with the implementation, the fts table looks like below:
```
Chunk ID: 9fbc39ce-c729-64a2-260f-c5ec9bb2a33e, Content: Sentence 0 from document 0
Chunk ID: 94062914-3e23-44cf-1e50-9e25821ba882, Content: Sentence 1 from document 0
Chunk ID: e6cfd559-4641-33ba-6ce1-7038226495eb, Content: Sentence 2 from document 0
Chunk ID: 1383af9b-f1f0-f417-4de5-65fe9456cc20, Content: Sentence 3 from document 0
Chunk ID: 2db19b1a-de14-353b-f4e1-085e8463361c, Content: Sentence 4 from document 0
Chunk ID: 9faf986a-f028-7714-068a-1c795e8f2598, Content: Sentence 5 from document 0
Chunk ID: ef593ead-5a4a-392f-7ad8-471a50f033e8, Content: Sentence 6 from document 0
Chunk ID: e161950f-021f-7300-4d05-3166738b94cf, Content: Sentence 7 from document 0
Chunk ID: 90610fc4-67c1-e740-f043-709c5978867a, Content: Sentence 8 from document 0
Chunk ID: 97712879-6fff-98ad-0558-e9f42e6b81d3, Content: Sentence 9 from document 0
Chunk ID: aea70411-51df-61ba-d2f0-cb2b5972c210, Content: Sentence 0 from document 1
Chunk ID: b678a463-7b84-92b8-abb2-27e9a1977e3c, Content: Sentence 1 from document 1
Chunk ID: 27bd63da-909c-1606-a109-75bdb9479882, Content: Sentence 2 from document 1
Chunk ID: a2ad49ad-f9be-5372-e0c7-7b0221d0b53e, Content: Sentence 3 from document 1
Chunk ID: cac53bcd-1965-082a-c0f4-ceee7323fc70, Content: Sentence 4 from document 1
```

Query results:
Result 1: Sentence 5 from document 0
Result 2: Sentence 5 from document 1
Result 3: Sentence 5 from document 2

[//]: # (## Documentation)

---------

Signed-off-by: Varsha Prasad Narsing <varshaprasad96@gmail.com>
2025-05-21 15:24:24 -04:00
Sébastien Han
c91e3552a3
feat: implementation for agent/session list and describe (#1606)
Create a new agent:

```
curl --request POST \
  --url http://localhost:8321/v1/agents \
  --header 'Accept: application/json' \
  --header 'Content-Type: application/json' \
  --data '{
  "agent_config": {
    "sampling_params": {
      "strategy": {
        "type": "greedy"
      },
      "max_tokens": 0,
      "repetition_penalty": 1
    },
    "input_shields": [
      "string"
    ],
    "output_shields": [
      "string"
    ],
    "toolgroups": [
      "string"
    ],
    "client_tools": [
      {
        "name": "string",
        "description": "string",
        "parameters": [
          {
            "name": "string",
            "parameter_type": "string",
            "description": "string",
            "required": true,
            "default": null
          }
        ],
        "metadata": {
          "property1": null,
          "property2": null
        }
      }
    ],
    "tool_choice": "auto",
    "tool_prompt_format": "json",
    "tool_config": {
      "tool_choice": "auto",
      "tool_prompt_format": "json",
      "system_message_behavior": "append"
    },
    "max_infer_iters": 10,
    "model": "string",
    "instructions": "string",
    "enable_session_persistence": false,
    "response_format": {
      "type": "json_schema",
      "json_schema": {
        "property1": null,
        "property2": null
      }
    }
  }
}'
```

Get agent:

```
curl http://127.0.0.1:8321/v1/agents/9abad4ab-2c77-45f9-9d16-46b79d2bea1f
{"agent_id":"9abad4ab-2c77-45f9-9d16-46b79d2bea1f","agent_config":{"sampling_params":{"strategy":{"type":"greedy"},"max_tokens":0,"repetition_penalty":1.0},"input_shields":["string"],"output_shields":["string"],"toolgroups":["string"],"client_tools":[{"name":"string","description":"string","parameters":[{"name":"string","parameter_type":"string","description":"string","required":true,"default":null}],"metadata":{"property1":null,"property2":null}}],"tool_choice":"auto","tool_prompt_format":"json","tool_config":{"tool_choice":"auto","tool_prompt_format":"json","system_message_behavior":"append"},"max_infer_iters":10,"model":"string","instructions":"string","enable_session_persistence":false,"response_format":{"type":"json_schema","json_schema":{"property1":null,"property2":null}}},"created_at":"2025-03-12T16:18:28.369144Z"}%
```

List agents:

```
curl http://127.0.0.1:8321/v1/agents|jq
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  1680  100  1680    0     0   498k      0 --:--:-- --:--:-- --:--:--  546k
{
  "data": [
    {
      "agent_id": "9abad4ab-2c77-45f9-9d16-46b79d2bea1f",
      "agent_config": {
        "sampling_params": {
          "strategy": {
            "type": "greedy"
          },
          "max_tokens": 0,
          "repetition_penalty": 1.0
        },
        "input_shields": [
          "string"
        ],
        "output_shields": [
          "string"
        ],
        "toolgroups": [
          "string"
        ],
        "client_tools": [
          {
            "name": "string",
            "description": "string",
            "parameters": [
              {
                "name": "string",
                "parameter_type": "string",
                "description": "string",
                "required": true,
                "default": null
              }
            ],
            "metadata": {
              "property1": null,
              "property2": null
            }
          }
        ],
        "tool_choice": "auto",
        "tool_prompt_format": "json",
        "tool_config": {
          "tool_choice": "auto",
          "tool_prompt_format": "json",
          "system_message_behavior": "append"
        },
        "max_infer_iters": 10,
        "model": "string",
        "instructions": "string",
        "enable_session_persistence": false,
        "response_format": {
          "type": "json_schema",
          "json_schema": {
            "property1": null,
            "property2": null
          }
        }
      },
      "created_at": "2025-03-12T16:18:28.369144Z"
    },
    {
      "agent_id": "a6643aaa-96dd-46db-a405-333dc504b168",
      "agent_config": {
        "sampling_params": {
          "strategy": {
            "type": "greedy"
          },
          "max_tokens": 0,
          "repetition_penalty": 1.0
        },
        "input_shields": [
          "string"
        ],
        "output_shields": [
          "string"
        ],
        "toolgroups": [
          "string"
        ],
        "client_tools": [
          {
            "name": "string",
            "description": "string",
            "parameters": [
              {
                "name": "string",
                "parameter_type": "string",
                "description": "string",
                "required": true,
                "default": null
              }
            ],
            "metadata": {
              "property1": null,
              "property2": null
            }
          }
        ],
        "tool_choice": "auto",
        "tool_prompt_format": "json",
        "tool_config": {
          "tool_choice": "auto",
          "tool_prompt_format": "json",
          "system_message_behavior": "append"
        },
        "max_infer_iters": 10,
        "model": "string",
        "instructions": "string",
        "enable_session_persistence": false,
        "response_format": {
          "type": "json_schema",
          "json_schema": {
            "property1": null,
            "property2": null
          }
        }
      },
      "created_at": "2025-03-12T16:17:12.811273Z"
    }
  ]
}
```

Create sessions:

```
curl --request POST \
  --url http://localhost:8321/v1/agents/{agent_id}/session \
  --header 'Accept: application/json' \
  --header 'Content-Type: application/json' \
  --data '{
  "session_name": "string"
}'
```

List sessions:

```
 curl http://127.0.0.1:8321/v1/agents/9abad4ab-2c77-45f9-9d16-46b79d2bea1f/sessions|jq
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   263  100   263    0     0  90099      0 --:--:-- --:--:-- --:--:--  128k
[
  {
    "session_id": "2b15c4fc-e348-46c1-ae32-f6d424441ac1",
    "session_name": "string",
    "turns": [],
    "started_at": "2025-03-12T17:19:17.784328"
  },
  {
    "session_id": "9432472d-d483-4b73-b682-7b1d35d64111",
    "session_name": "string",
    "turns": [],
    "started_at": "2025-03-12T17:19:19.885834"
  }
]
```

Signed-off-by: Sébastien Han <seb@redhat.com>
2025-05-07 14:49:23 +02:00
Ihar Hrachyshka
9e6561a1ec
chore: enable pyupgrade fixes (#1806)
# What does this PR do?

The goal of this PR is code base modernization.

Schema reflection code needed a minor adjustment to handle UnionTypes
and collections.abc.AsyncIterator. (Both are preferred for latest Python
releases.)

Note to reviewers: almost all changes here are automatically generated
by pyupgrade. Some additional unused imports were cleaned up. The only
change worth of note can be found under `docs/openapi_generator` and
`llama_stack/strong_typing/schema.py` where reflection code was updated
to deal with "newer" types.

Signed-off-by: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
2025-05-01 14:23:50 -07:00
Francisco Arceo
9e1ddf2b53
chore: Updating sqlite-vec to make non-blocking calls (#1762)
# What does this PR do?
This PR updates the sqlite-vec database calls to be non-blocking. Note
that each operation creates a new connection, which incurs some
performance overhead but is reasonable given [SQLite's threading and
connections constraints](https://www.sqlite.org/threadsafe.html).

Summary of changes:
- Refactored `SQLiteVecIndex` class to store database path instead of
connection object
- Added `_create_sqlite_connection()` helper function to create
connections on demand
- Ensured proper connection closure in all database operations
- Fixed test fixtures to use a file-based SQLite database for
thread-safety
- Updated the `SQLiteVecVectorIOAdapter` class to handle per-operation
connections

This PR helps chip away at
https://github.com/meta-llama/llama-stack/issues/1489

## Test Plan
sqlite-vec unit tests passed locally as well as a test script using the
client as a library.

## Misc

FYI @varshaprasad96 @kevincogan

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>
2025-03-23 17:25:44 -07:00
Ihar Hrachyshka
515c16e352
chore: mypy violations cleanup for inline::{telemetry,tool_runtime,vector_io} (#1711)
# What does this PR do?

Clean up mypy violations for inline::{telemetry,tool_runtime,vector_io}.
This also makes API accept a tool call result without any content (like
RAG tool already may produce).

Signed-off-by: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
2025-03-20 10:01:10 -07:00
Daniele Martinoli
cca9bd6cc3
feat: Qdrant inline provider (#1273)
# What does this PR do?
Removed local execution option from the remote Qdrant provider and
introduced an explicit inline provider for the embedded execution.
Updated the ollama template to include this option: this part can be
reverted in case we don't want to have two default `vector_io`
providers.

(Closes #1082)

## Test Plan
Build and run an ollama distro:
```bash
llama stack build --template ollama --image-type conda
llama stack run --image-type conda ollama
```

Run one of the sample ingestionapplicatinos like
[rag_with_vector_db.py](https://github.com/meta-llama/llama-stack-apps/blob/main/examples/agents/rag_with_vector_db.py),
but replace this line:
```py
    selected_vector_provider = vector_providers[0]
```
with the following, to use the `qdrant` provider:
```py
    selected_vector_provider = vector_providers[1]
```

After running the test code, verify the timestamp of the Qdrant store:
```bash
% ls -ltr ~/.llama/distributions/ollama/qdrant.db/collection/test_vector_db_*
total 784
-rw-r--r--@ 1 dmartino  staff  401408 Feb 26 10:07 storage.sqlite
```

[//]: # (## Documentation)

---------

Signed-off-by: Daniele Martinoli <dmartino@redhat.com>
Co-authored-by: Francisco Arceo <farceo@redhat.com>
2025-03-18 14:04:21 -07:00
Ashwin Bharambe
d072b5fa0c
test: add unit test to ensure all config types are instantiable (#1601) 2025-03-12 22:29:58 -07:00
Ihar Hrachyshka
c3d7d17bc4
chore: fix typing hints for get_provider_impl deps arguments (#1544)
# What does this PR do?

It's a dict that may contain different types, as per
resolver:instantiate_provider implementation. (AFAIU it also never
contains ProviderSpecs, but *instances* of provider implementations.)

[//]: # (If resolving an issue, uncomment and update the line below)
[//]: # (Closes #[issue-number])

## Test Plan

mypy passing if enabled checks for these modules. (See #1543)

[//]: # (## Documentation)

Signed-off-by: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
2025-03-11 10:07:28 -07:00
Sarthak Deshpande
a9c5d3cd3d
chore: made inbuilt tools blocking calls into async non blocking calls (#1509)
# What does this PR do?
This PR converts blocking calls for in built tools like wolfram, brave,
tavily and bing into non blocking async calls
[//]: # (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.*]
pytest -s -v tool_runtime/test_builtin_tools.py --stack-config=together
--text-model=meta-llama/Llama-3.1-8B-Instruct
Used the command above to get the below results
<img width="1710" alt="image"
src="https://github.com/user-attachments/assets/76b0ca06-f6e4-45fa-a114-0449bef2325b"
/>


<img width="1389" alt="image"
src="https://github.com/user-attachments/assets/5220ccbb-7882-4240-b17e-f362ad46d25b"
/>

<img width="1432" alt="image"
src="https://github.com/user-attachments/assets/bb93a41e-e82a-4c98-a22d-6b0e320aa974"
/>

[//]: # (## Documentation)

---------

Co-authored-by: sarthakdeshpande <sarthak.deshpande@engati.com>
2025-03-09 16:59:24 -07:00
Ashwin Bharambe
330cc9d09d
feat: add Milvus vectorDB (#1467)
# What does this PR do?
See https://github.com/meta-llama/llama-stack/pull/1171 which is the
original PR. Author: @zc277584121

feat: add [Milvus](https://milvus.io/) vectorDB

note: I use the MilvusClient to implement it instead of
AsyncMilvusClient, because when I tested AsyncMilvusClient, it would
raise issues about evenloop, which I think AsyncMilvusClient SDK is not
robust enough to be compatible with llama_stack framework.

## Test Plan
have passed the unit test and ene2end test
Here is my end2end test logs, including the client code, client log,
server logs from inline and remote settings

[test_end2end_logs.zip](https://github.com/user-attachments/files/18964391/test_end2end_logs.zip)

---------

Signed-off-by: ChengZi <chen.zhang@zilliz.com>
Co-authored-by: Cheney Zhang <chen.zhang@zilliz.com>
2025-03-06 20:59:31 -08:00
Ashwin Bharambe
dd0db8038b
refactor(test): unify vector_io tests and make them configurable (#1398)
## Test Plan


`LLAMA_STACK_CONFIG=inference=sentence-transformers,vector_io=sqlite-vec
pytest -s -v test_vector_io.py --embedding-model all-miniLM-L6-V2
--inference-model='' --vision-inference-model=''`

```
test_vector_io.py::test_vector_db_retrieve[txt=:vis=:emb=all-miniLM-L6-V2] PASSED
test_vector_io.py::test_vector_db_register[txt=:vis=:emb=all-miniLM-L6-V2] PASSED
test_vector_io.py::test_insert_chunks[txt=:vis=:emb=all-miniLM-L6-V2-test_case0] PASSED
test_vector_io.py::test_insert_chunks[txt=:vis=:emb=all-miniLM-L6-V2-test_case1] PASSED
test_vector_io.py::test_insert_chunks[txt=:vis=:emb=all-miniLM-L6-V2-test_case2] PASSED
test_vector_io.py::test_insert_chunks[txt=:vis=:emb=all-miniLM-L6-V2-test_case3] PASSED
test_vector_io.py::test_insert_chunks[txt=:vis=:emb=all-miniLM-L6-V2-test_case4] PASSED
```

Same thing with:
- LLAMA_STACK_CONFIG=inference=sentence-transformers,vector_io=faiss
- LLAMA_STACK_CONFIG=fireworks

(Note that ergonomics will soon be improved re: cmd-line options and env
variables)
2025-03-04 13:37:45 -08:00
Ashwin Bharambe
6609d4ada4
feat: allow conditionally enabling providers in run.yaml (#1321)
# What does this PR do?

We want to bundle a bunch of (typically remote) providers in a distro
template and be able to configure them "on the fly" via environment
variables. So far, we have been able to do this with simple env var
replacements. However, sometimes you want to only conditionally enable
providers (because the relevant remote services may not be alive, or
relevant.) This was not possible until now.

To aid this, we add a simple (bash-like) env var replacement
enhancement: `${env.FOO+bar}` evaluates to `bar` if the variable is SET
and evaluates to empty string if it is not. On top of that, we update
our main resolver to ignore any provider whose ID is null.

This allows using the distro like this:

```bash
llama stack run dev --env CHROMADB_URL=http://localhost:6001 --env ENABLE_CHROMADB=1
```

when only Chroma is UP. This disables the other `pgvector` provider in
the run configuration.


## Test Plan

Hard code `chromadb` as the vector io provider inside
`test_vector_io.py` and run:

```bash
LLAMA_STACK_BASE_URL=http://localhost:8321 pytest -s -v tests/client-sdk/vector_io/ --embedding-model all-MiniLM-L6-v2
```
2025-03-01 11:19:14 -08:00
Ashwin Bharambe
35ae0e16a1 Fix sqlite_vec config defaults 2025-02-20 17:50:33 -08:00
Francisco Arceo
7972daa72e
feat: Chunk sqlite-vec writes (#1094)
# What does this PR do?
1. This PR adds batch inserts into sqlite-vec as requested in
https://github.com/meta-llama/llama-stack/pull/1040
- Note: the inserts uses a uuid generated from the hash of the document
id and chunk content.
2. This PR also adds unit tests for sqlite-vec. In a follow up PR, I can
add similar tests to Faiss.

## Test Plan
1. Integration tests:
```python
INFERENCE_MODEL=llama3.2:3b-instruct-fp16 LLAMA_STACK_CONFIG=ollama pytest -s -v tests/client-sdk/vector_io/test_vector_io.py
...
PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_retrieve[all-MiniLM-L6-v2-sqlite_vec] PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_list PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_register[all-MiniLM-L6-v2-faiss] PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_register[all-MiniLM-L6-v2-sqlite_vec] PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_unregister[faiss] PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_unregister[sqlite_vec] PASSED
```
3. Unit tests:
```python
pytest llama_stack/providers/tests/vector_io/test_sqlite_vec.py  -v -s --tb=short --disable-warnings --asyncio-mode=auto
...
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_add_chunks PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_query_chunks PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_chunk_id_conflict PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_register_vector_db PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_unregister_vector_db PASSED
llama_stack/providers/tests/vector_io/test_sqlite_vec.py::test_generate_chunk_id PASSED
```
I also tested using the same example RAG script in
https://github.com/meta-llama/llama-stack/pull/1040 and received the
output.

---------

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>
2025-02-19 19:07:46 -08:00
Ashwin Bharambe
314ee09ae3
chore: move all Llama Stack types from llama-models to llama-stack (#1098)
llama-models should have extremely minimal cruft. Its sole purpose
should be didactic -- show the simplest implementation of the llama
models and document the prompt formats, etc.

This PR is the complement to
https://github.com/meta-llama/llama-models/pull/279

## Test Plan

Ensure all `llama` CLI `model` sub-commands work:

```bash
llama model list
llama model download --model-id ...
llama model prompt-format -m ...
```

Ran tests:
```bash
cd tests/client-sdk
LLAMA_STACK_CONFIG=fireworks pytest -s -v inference/
LLAMA_STACK_CONFIG=fireworks pytest -s -v vector_io/
LLAMA_STACK_CONFIG=fireworks pytest -s -v agents/
```

Create a fresh venv `uv venv && source .venv/bin/activate` and run
`llama stack build --template fireworks --image-type venv` followed by
`llama stack run together --image-type venv` <-- the server runs

Also checked that the OpenAPI generator can run and there is no change
in the generated files as a result.

```bash
cd docs/openapi_generator
sh run_openapi_generator.sh
```
2025-02-14 09:10:59 -08:00
Sébastien Han
c0ee512980
build: configure ruff from pyproject.toml (#1100)
# What does this PR do?

- Remove hardcoded configurations from pre-commit.
- Allow configuration to be set via pyproject.toml.
- Merge .ruff.toml settings into pyproject.toml.
- Ensure the linter and formatter use the defined configuration instead
of being overridden by pre-commit.

Signed-off-by: Sébastien Han <seb@redhat.com>

[//]: # (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.*]

[//]: # (## Documentation)

Signed-off-by: Sébastien Han <seb@redhat.com>
2025-02-14 09:01:57 -08:00
Yuan Tang
8ff27b58fa
chore: Consistent naming for VectorIO providers (#1023)
# What does this PR do?

This changes all VectorIO providers classes to follow the pattern
`<ProviderName>VectorIOConfig` and `<ProviderName>VectorIOAdapter`. All
API endpoints for VectorIOs are currently consistent with `/vector-io`.

Note that API endpoint for VectorDB stay unchanged as `/vector-dbs`. 

## Test Plan

I don't have a way to test all providers. This is a simple renaming so
things should work as expected.

---------

Signed-off-by: Yuan Tang <terrytangyuan@gmail.com>
2025-02-13 13:15:49 -05:00
Sébastien Han
e4a1579e63
build: format codebase imports using ruff linter (#1028)
# What does this PR do?

- Configured ruff linter to automatically fix import sorting issues.
- Set --exit-non-zero-on-fix to ensure non-zero exit code when fixes are
applied.
- Enabled the 'I' selection to focus on import-related linting rules.
- Ran the linter, and formatted all codebase imports accordingly.
- Removed the black dep from the "dev" group since we use ruff

Signed-off-by: Sébastien Han <seb@redhat.com>

[//]: # (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.*]

[//]: # (## Documentation)
[//]: # (- [ ] Added a Changelog entry if the change is significant)

Signed-off-by: Sébastien Han <seb@redhat.com>
2025-02-13 10:06:21 -08:00
Francisco Arceo
119fe8742a
feat: Adding sqlite-vec as a vectordb (#1040)
# What does this PR do?
This PR adds `sqlite_vec` as an additional inline vectordb.

Tested with `ollama` by adding the `vector_io` object in
`./llama_stack/templates/ollama/run.yaml` :

```yaml
  vector_io:
  - provider_id: sqlite_vec
    provider_type: inline::sqlite_vec
    config:
      kvstore:
        type: sqlite
        namespace: null
        db_path: ${env.SQLITE_STORE_DIR:~/.llama/distributions/ollama}/sqlite_vec.db
      db_path: ${env.SQLITE_STORE_DIR:~/.llama/distributions/ollama}/sqlite_vec.db
```
I also updated the `./tests/client-sdk/vector_io/test_vector_io.py` test
file with:
```python
INLINE_VECTOR_DB_PROVIDERS = ["faiss", "sqlite_vec"]
```
And parameterized the relevant tests. 

[//]: # (If resolving an issue, uncomment and update the line below)
# Closes 
https://github.com/meta-llama/llama-stack/issues/1005

## Test Plan
I ran the tests with:
```bash
INFERENCE_MODEL=llama3.2:3b-instruct-fp16 LLAMA_STACK_CONFIG=ollama pytest -s -v tests/client-sdk/vector_io/test_vector_io.py
```
Which outputs:
```python
...
PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_retrieve[all-MiniLM-L6-v2-sqlite_vec] PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_list PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_register[all-MiniLM-L6-v2-faiss] PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_register[all-MiniLM-L6-v2-sqlite_vec] PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_unregister[faiss] PASSED
tests/client-sdk/vector_io/test_vector_io.py::test_vector_db_unregister[sqlite_vec] PASSED
```

In addition, I ran the `rag_with_vector_db.py`
[example](https://github.com/meta-llama/llama-stack-apps/blob/main/examples/agents/rag_with_vector_db.py)
using the script below with `uv run rag_example.py`.
<details>
<summary>CLICK TO SHOW SCRIPT 👋  </summary>

```python
#!/usr/bin/env python3
import os
import uuid
from termcolor import cprint

# Set environment variables
os.environ['INFERENCE_MODEL'] = 'llama3.2:3b-instruct-fp16'
os.environ['LLAMA_STACK_CONFIG'] = 'ollama'

# Import libraries after setting environment variables
from llama_stack.distribution.library_client import LlamaStackAsLibraryClient
from llama_stack_client.lib.agents.agent import Agent
from llama_stack_client.lib.agents.event_logger import EventLogger
from llama_stack_client.types.agent_create_params import AgentConfig
from llama_stack_client.types import Document


def main():
    # Initialize the client
    client = LlamaStackAsLibraryClient("ollama")
    vector_db_id = f"test-vector-db-{uuid.uuid4().hex}"

    _ = client.initialize()

    model_id = 'llama3.2:3b-instruct-fp16'

    # Define the list of document URLs and create Document objects
    urls = [
        "chat.rst",
        "llama3.rst",
        "memory_optimizations.rst",
        "lora_finetune.rst",
    ]
    documents = [
        Document(
            document_id=f"num-{i}",
            content=f"https://raw.githubusercontent.com/pytorch/torchtune/main/docs/source/tutorials/{url}",
            mime_type="text/plain",
            metadata={},
        )
        for i, url in enumerate(urls)
    ]
    # (Optional) Use the documents as needed with your client here

    client.vector_dbs.register(
        provider_id='sqlite_vec',
        vector_db_id=vector_db_id,
        embedding_model="all-MiniLM-L6-v2",
        embedding_dimension=384,
    )

    client.tool_runtime.rag_tool.insert(
        documents=documents,
        vector_db_id=vector_db_id,
        chunk_size_in_tokens=512,
    )
    # Create agent configuration
    agent_config = AgentConfig(
        model=model_id,
        instructions="You are a helpful assistant",
        enable_session_persistence=False,
        toolgroups=[
            {
                "name": "builtin::rag",
                "args": {
                    "vector_db_ids": [vector_db_id],
                }
            }
        ],
    )

    # Instantiate the Agent
    agent = Agent(client, agent_config)

    # List of user prompts
    user_prompts = [
        "What are the top 5 topics that were explained in the documentation? Only list succinct bullet points.",
        "Was anything related to 'Llama3' discussed, if so what?",
        "Tell me how to use LoRA",
        "What about Quantization?",
    ]

    # Create a session for the agent
    session_id = agent.create_session("test-session")

    # Process each prompt and display the output
    for prompt in user_prompts:
        cprint(f"User> {prompt}", "green")
        response = agent.create_turn(
            messages=[
                {
                    "role": "user",
                    "content": prompt,
                }
            ],
            session_id=session_id,
        )
        # Log and print events from the response
        for log in EventLogger().log(response):
            log.print()


if __name__ == "__main__":
    main()
```
</details>

Which outputs a large summary of RAG generation.

# Documentation

Will handle documentation updates in follow-up PR.

# (- [ ] Added a Changelog entry if the change is significant)

---------

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>
2025-02-12 10:50:03 -08:00
Yuan Tang
34ab7a3b6c
Fix precommit check after moving to ruff (#927)
Lint check in main branch is failing. This fixes the lint check after we
moved to ruff in https://github.com/meta-llama/llama-stack/pull/921. We
need to move to a `ruff.toml` file as well as fixing and ignoring some
additional checks.

Signed-off-by: Yuan Tang <terrytangyuan@gmail.com>
2025-02-02 06:46:45 -08:00
Ashwin Bharambe
95786d5bdc Update client-sdk test config option handling
Fix test
2025-01-31 15:37:25 -08:00
Ashwin Bharambe
087a83f673 Bump key for faiss 2025-01-24 12:08:36 -08:00
Ashwin Bharambe
c9e5578151
[memory refactor][5/n] Migrate all vector_io providers (#835)
See https://github.com/meta-llama/llama-stack/issues/827 for the broader
design.

This PR finishes off all the stragglers and migrates everything to the
new naming.
2025-01-22 10:17:59 -08:00
Ashwin Bharambe
78a481bb22
[memory refactor][2/n] Update faiss and make it pass tests (#830)
See https://github.com/meta-llama/llama-stack/issues/827 for the broader
design.

Second part:

- updates routing table / router code 
- updates the faiss implementation


## Test Plan

```
pytest -s -v -k sentence test_vector_io.py --env EMBEDDING_DIMENSION=384
```
2025-01-22 10:02:15 -08:00
Ashwin Bharambe
3ae8585b65
[memory refactor][1/n] Rename Memory -> VectorIO, MemoryBanks -> VectorDBs (#828)
See https://github.com/meta-llama/llama-stack/issues/827 for the broader
design.

This is the first part:

- delete other kinds of memory banks (keyvalue, keyword, graph) for now;
we will introduce a keyvalue store API as part of this design but not
use it in the RAG tool yet.
- renaming of the APIs
2025-01-22 09:59:30 -08:00