Files

63 lines
2.3 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
import argparse
import asyncio
from prometheus_client import start_http_server
from vllm.entrypoints.cli.types import CLISubcommand
from vllm.entrypoints.logger import logger
from vllm.entrypoints.openai.run_batch import main as run_batch_main
from vllm.entrypoints.openai.run_batch import make_arg_parser
from vllm.entrypoints.utils import (VLLM_SUBCMD_PARSER_EPILOG,
show_filtered_argument_or_group_from_help)
from vllm.utils import FlexibleArgumentParser
from vllm.version import __version__ as VLLM_VERSION
class RunBatchSubcommand(CLISubcommand):
"""The `run-batch` subcommand for vLLM CLI."""
def __init__(self):
self.name = "run-batch"
super().__init__()
@staticmethod
def cmd(args: argparse.Namespace) -> None:
logger.info("vLLM batch processing API version %s", VLLM_VERSION)
logger.info("args: %s", args)
# Start the Prometheus metrics server.
# LLMEngine uses the Prometheus client
# to publish metrics at the /metrics endpoint.
if args.enable_metrics:
logger.info("Prometheus metrics enabled")
start_http_server(port=args.port, addr=args.url)
else:
logger.info("Prometheus metrics disabled")
asyncio.run(run_batch_main(args))
def subparser_init(
self,
subparsers: argparse._SubParsersAction) -> FlexibleArgumentParser:
run_batch_parser = subparsers.add_parser(
"run-batch",
help="Run batch prompts and write results to file.",
description=(
"Run batch prompts using vLLM's OpenAI-compatible API.\n"
"Supports local or HTTP input/output files."),
usage=
"vllm run-batch -i INPUT.jsonl -o OUTPUT.jsonl --model <model>",
)
run_batch_parser = make_arg_parser(run_batch_parser)
show_filtered_argument_or_group_from_help(run_batch_parser,
"run-batch")
run_batch_parser.epilog = VLLM_SUBCMD_PARSER_EPILOG
return run_batch_parser
def cmd_init() -> list[CLISubcommand]:
return [RunBatchSubcommand()]