llama-stack/llama_stack/providers/remote/inference/vllm/config.py
Sébastien Han 6ee319ae08
fix: convert boolean string to boolean (#2284)
# What does this PR do?

Handles the case where the vllm config `tls_verify` is set to `false` or
`true`.

Closes: https://github.com/meta-llama/llama-stack/issues/2283

Signed-off-by: Sébastien Han <seb@redhat.com>
2025-05-27 13:05:38 -07:00

60 lines
1.9 KiB
Python

# 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 pydantic import BaseModel, Field, field_validator
from llama_stack.schema_utils import json_schema_type
@json_schema_type
class VLLMInferenceAdapterConfig(BaseModel):
url: str | None = Field(
default=None,
description="The URL for the vLLM model serving endpoint",
)
max_tokens: int = Field(
default=4096,
description="Maximum number of tokens to generate.",
)
api_token: str | None = Field(
default="fake",
description="The API token",
)
tls_verify: bool | str = Field(
default=True,
description="Whether to verify TLS certificates. Can be a boolean or a path to a CA certificate file.",
)
@field_validator("tls_verify")
@classmethod
def validate_tls_verify(cls, v):
if isinstance(v, str):
# Check if it's a boolean string
if v.lower() in ("true", "false"):
return v.lower() == "true"
# Otherwise, treat it as a cert path
cert_path = Path(v).expanduser().resolve()
if not cert_path.exists():
raise ValueError(f"TLS certificate file does not exist: {v}")
if not cert_path.is_file():
raise ValueError(f"TLS certificate path is not a file: {v}")
return v
return v
@classmethod
def sample_run_config(
cls,
url: str = "${env.VLLM_URL}",
**kwargs,
):
return {
"url": url,
"max_tokens": "${env.VLLM_MAX_TOKENS:4096}",
"api_token": "${env.VLLM_API_TOKEN:fake}",
"tls_verify": "${env.VLLM_TLS_VERIFY:true}",
}