llama-stack-mirror/llama_stack/distributions/meta-reference-gpu/meta_reference.py

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.

from pathlib import Path

from llama_stack.apis.models import ModelType
from llama_stack.core.datatypes import (
    BuildProvider,
    ModelInput,
    Provider,
    ShieldInput,
    ToolGroupInput,
)
from llama_stack.distributions.template import DistributionTemplate, RunConfigSettings
from llama_stack.providers.inline.inference.meta_reference import (
    MetaReferenceInferenceConfig,
)
from llama_stack.providers.inline.inference.sentence_transformers import (
    SentenceTransformersInferenceConfig,
)
from llama_stack.providers.inline.vector_io.faiss.config import FaissVectorIOConfig


def get_distribution_template() -> DistributionTemplate:
    providers = {
        "inference": [BuildProvider(provider_type="inline::meta-reference")],
        "vector_io": [
            BuildProvider(provider_type="inline::faiss"),
            BuildProvider(provider_type="remote::chromadb"),
            BuildProvider(provider_type="remote::pgvector"),
        ],
        "safety": [BuildProvider(provider_type="inline::llama-guard")],
        "agents": [BuildProvider(provider_type="inline::meta-reference")],
        "telemetry": [BuildProvider(provider_type="inline::meta-reference")],
        "eval": [BuildProvider(provider_type="inline::meta-reference")],
        "datasetio": [
            BuildProvider(provider_type="remote::huggingface"),
            BuildProvider(provider_type="inline::localfs"),
        ],
        "scoring": [
            BuildProvider(provider_type="inline::basic"),
            BuildProvider(provider_type="inline::llm-as-judge"),
            BuildProvider(provider_type="inline::braintrust"),
        ],
        "tool_runtime": [
            BuildProvider(provider_type="remote::brave-search"),
            BuildProvider(provider_type="remote::tavily-search"),
            BuildProvider(provider_type="inline::rag-runtime"),
            BuildProvider(provider_type="remote::model-context-protocol"),
        ],
    }
    name = "meta-reference-gpu"
    inference_provider = Provider(
        provider_id="meta-reference-inference",
        provider_type="inline::meta-reference",
        config=MetaReferenceInferenceConfig.sample_run_config(
            model="${env.INFERENCE_MODEL}",
            checkpoint_dir="${env.INFERENCE_CHECKPOINT_DIR:=null}",
        ),
    )
    embedding_provider = Provider(
        provider_id="sentence-transformers",
        provider_type="inline::sentence-transformers",
        config=SentenceTransformersInferenceConfig.sample_run_config(),
    )
    vector_io_provider = Provider(
        provider_id="faiss",
        provider_type="inline::faiss",
        config=FaissVectorIOConfig.sample_run_config(f"~/.llama/distributions/{name}"),
    )

    inference_model = ModelInput(
        model_id="${env.INFERENCE_MODEL}",
        provider_id="meta-reference-inference",
    )
    embedding_model = ModelInput(
        model_id="nomic-embed-text-v1.5",
        provider_id="sentence-transformers",
        model_type=ModelType.embedding,
        metadata={
            "embedding_dimension": 768,
        },
    )
    safety_model = ModelInput(
        model_id="${env.SAFETY_MODEL}",
        provider_id="meta-reference-safety",
    )
    default_tool_groups = [
        ToolGroupInput(
            toolgroup_id="builtin::websearch",
            provider_id="tavily-search",
        ),
        ToolGroupInput(
            toolgroup_id="builtin::rag",
            provider_id="rag-runtime",
        ),
    ]

    return DistributionTemplate(
        name=name,
        distro_type="self_hosted",
        description="Use Meta Reference for running LLM inference",
        template_path=Path(__file__).parent / "doc_template.md",
        providers=providers,
        run_configs={
            "run.yaml": RunConfigSettings(
                provider_overrides={
                    "inference": [inference_provider, embedding_provider],
                    "vector_io": [vector_io_provider],
                },
                default_models=[inference_model, embedding_model],
                default_tool_groups=default_tool_groups,
            ),
            "run-with-safety.yaml": RunConfigSettings(
                provider_overrides={
                    "inference": [
                        inference_provider,
                        embedding_provider,
                        Provider(
                            provider_id="meta-reference-safety",
                            provider_type="inline::meta-reference",
                            config=MetaReferenceInferenceConfig.sample_run_config(
                                model="${env.SAFETY_MODEL}",
                                checkpoint_dir="${env.SAFETY_CHECKPOINT_DIR:=null}",
                            ),
                        ),
                    ],
                    "vector_io": [vector_io_provider],
                },
                default_models=[
                    inference_model,
                    safety_model,
                    embedding_model,
                ],
                default_shields=[ShieldInput(shield_id="${env.SAFETY_MODEL}")],
                default_tool_groups=default_tool_groups,
            ),
        },
        run_config_env_vars={
            "LLAMA_STACK_PORT": (
                "8321",
                "Port for the Llama Stack distribution server",
            ),
            "INFERENCE_MODEL": (
                "meta-llama/Llama-3.2-3B-Instruct",
                "Inference model loaded into the Meta Reference server",
            ),
            "INFERENCE_CHECKPOINT_DIR": (
                "null",
                "Directory containing the Meta Reference model checkpoint",
            ),
            "SAFETY_MODEL": (
                "meta-llama/Llama-Guard-3-1B",
                "Name of the safety (Llama-Guard) model to use",
            ),
            "SAFETY_CHECKPOINT_DIR": (
                "null",
                "Directory containing the Llama-Guard model checkpoint",
            ),
        },
    )