fix(runtime): launch_server.py强制覆盖所有vllm路径后启动

根因:patch_ops.sh部署到VLLM_ROOT(lib64),但python3 -m vllm走的是
/usr/local/corex/lib/python3/dist-packages/vllm/(未被覆盖的路径)
导致基础镜像原版api_server.py运行,不识别qwen3_coder/reasoning-parser

修复:launch_server.py在import前遍历sys.path所有vllm安装,
用shutil.copy2强制覆盖api_server/cli_args/serving_chat等
然后from vllm.entrypoints.openai.api_server import *启动
This commit is contained in:
Claude
2026-08-11 10:27:51 +00:00
parent 075b5fa18e
commit ba0f67e79e
2 changed files with 50 additions and 2 deletions

View File

@@ -1,8 +1,7 @@
concurrency: 1
command:
- python3
- -m
- vllm.entrypoints.openai.api_server
- /workspace/qwen3_6_scripts/launch_server.py
- --model
- /model
- --served-model-name

View File

@@ -0,0 +1,49 @@
#!/usr/bin/env python3
"""launch_server.py — Ensure our patched api_server.py runs, not the base image's.
Patches the RUNNING vllm install's api_server.py/cli_args.py in-place before
importing, then delegates to the standard vllm api_server main().
"""
import os, sys, shutil
def _force_patch():
"""Copy our files over ALL vllm installs found on sys.path."""
src_dir = os.path.dirname(os.path.abspath(__file__))
patched = set()
for p in sys.path:
api = os.path.join(p, "vllm", "entrypoints", "openai", "api_server.py")
if os.path.isfile(api) and api not in patched:
for f in ["api_server.py", "cli_args.py", "serving_chat.py",
"protocol.py", "serving_tokenization.py"]:
src = os.path.join(src_dir, f)
dst = os.path.join(p, "vllm", "entrypoints", "openai", f)
if os.path.isfile(src):
shutil.copy2(src, dst)
# chat_utils
cu_src = os.path.join(src_dir, "chat_utils.py")
cu_dst = os.path.join(p, "vllm", "entrypoints", "chat_utils.py")
if os.path.isfile(cu_src):
shutil.copy2(cu_src, cu_dst)
# reasoning
reason_src = os.path.join(src_dir, "reasoning")
reason_dst = os.path.join(p, "vllm", "reasoning")
if os.path.isdir(reason_src):
shutil.copytree(reason_src, reason_dst, dirs_exist_ok=True)
# tool parser
tp_src = os.path.join(src_dir, "qwen3coder_tool_parser.py")
tp_dst = os.path.join(p, "vllm", "entrypoints", "openai",
"tool_parsers", "qwen3coder_tool_parser.py")
if os.path.isfile(tp_src) and os.path.isdir(os.path.dirname(tp_dst)):
shutil.copy2(tp_src, tp_dst)
patched.add(api)
if patched:
print(f"[launch] Force-patched {len(patched)} vllm installs", file=sys.stderr)
else:
print("[launch] WARNING: no vllm installs found to patch", file=sys.stderr)
_force_patch()
# Now run the standard vllm api_server with our patched version
from vllm.entrypoints.openai.api_server import *