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featu: support passing "extra body" throught to providers

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# What does this PR do?
Allows passing through extra_body parameters to inference providers.


closes #2720

## Test Plan
CI and added new test
This commit is contained in:
Eric Huang 2025-10-10 14:41:09 -07:00
parent cb7fb0705b
commit 70d341c385
18 changed files with 1725 additions and 93 deletions
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14
llama_stack/providers/remote/inference/vllm/vllm.py
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@ -15,6 +15,8 @@ from pydantic import ConfigDict
from llama_stack.apis.inference import (
OpenAIChatCompletion,
OpenAIChatCompletionRequest,
OpenAICompletion,
OpenAICompletionRequest,
ToolChoice,
)
from llama_stack.log import get_logger
@ -91,6 +93,14 @@ class VLLMInferenceAdapter(OpenAIMixin):
log.warning(f"Not checking model availability for {model} as API token may trigger OAuth workflow")
return True
async def openai_completion(
self,
params: OpenAICompletionRequest,
) -> OpenAICompletion:
# Extract vLLM-specific parameters from extra fields and pass as kwargs
extra_body = dict(params.__pydantic_extra__ or {})
return await super().openai_completion(params, **extra_body)
async def openai_chat_completion(
self,
params: OpenAIChatCompletionRequest,
@ -108,4 +118,6 @@ class VLLMInferenceAdapter(OpenAIMixin):
if not params.tools and params.tool_choice is not None:
params.tool_choice = ToolChoice.none.value
return await super().openai_chat_completion(params)
# Extract vLLM-specific parameters from extra fields and pass as kwargs
extra_body = dict(params.__pydantic_extra__ or {})
return await super().openai_chat_completion(params, **extra_body)