| from __future__ import annotations |
|
|
| import json |
| import os |
| import shlex |
| import shutil |
| import subprocess |
| from typing import Any, Dict |
|
|
| from .registry import ToolRegistry |
|
|
|
|
| def _run(cmd: str, timeout: int = 60) -> str: |
| proc = subprocess.run(shlex.split(cmd), capture_output=True, text=True, timeout=timeout) |
| return json.dumps({"returncode": proc.returncode, "stdout": proc.stdout[-4000:], "stderr": proc.stderr[-4000:]}) |
|
|
|
|
| def t_shell_exec(args: Dict[str, Any]) -> str: |
| cmd = args.get("command") or args.get("cmd") |
| if not cmd or not isinstance(cmd, str): |
| return json.dumps({"error": "command required"}) |
| return _run(cmd, timeout=int(args.get("timeout", 120))) |
|
|
|
|
| def t_process_list(_: Dict[str, Any]) -> str: |
| try: |
| out = subprocess.check_output(["ps", "aux"], text=True) |
| return json.dumps({"stdout": out[-8000:]}) |
| except Exception as e: |
| return json.dumps({"error": str(e)}) |
|
|
|
|
| def t_gpu_stats(_: Dict[str, Any]) -> str: |
| nvsmi = shutil.which("nvidia-smi") |
| if not nvsmi: |
| return json.dumps({"error": "nvidia-smi not found"}) |
| try: |
| out = subprocess.check_output([nvsmi, "--query-gpu=name,memory.total,memory.used,utilization.gpu,temperature.gpu", "--format=csv,noheader"], text=True) |
| return json.dumps({"gpus": [line.strip() for line in out.strip().splitlines()]}) |
| except Exception as e: |
| return json.dumps({"error": str(e)}) |
|
|
|
|
| def register_tools(reg: ToolRegistry) -> None: |
| reg.register( |
| name="shell_exec", |
| description="Execute a shell command (unconstrained).", |
| parameters={"type": "object", "properties": {"command": {"type": "string"}, "timeout": {"type": "integer"}}, "required": ["command"]}, |
| handler=t_shell_exec, |
| ) |
| reg.register( |
| name="process_list", |
| description="List running processes (ps aux).", |
| parameters={"type": "object", "properties": {}}, |
| handler=t_process_list, |
| ) |
| reg.register( |
| name="gpu_stats", |
| description="Show GPU stats via nvidia-smi.", |
| parameters={"type": "object", "properties": {}}, |
| handler=t_gpu_stats, |
| ) |
|
|
|
|
