Clawith/backend/app/services/sandbox/remote/aio_sandbox_backend.py

193 lines
6.7 KiB
Python

"""aio-sandbox backend."""
import time
import httpx
from app.services.sandbox.base import BaseSandboxBackend, ExecutionResult, SandboxCapabilities
from app.services.sandbox.config import SandboxConfig
from loguru import logger
class AioSandboxBackend(BaseSandboxBackend):
"""aio-sandbox backend.
Connects to aio-sandbox (https://github.com/agent-infra/sandbox).
Supports:
- Shell execution (/v1/shell/exec): bash, node
- Jupyter execution (/v1/jupyter/execute): python
Configuration:
- SANDBOX_API_URL: Base URL of aio-sandbox (e.g., http://localhost:8080)
- SANDBOX_API_TYPE: Execution type - "shell" or "jupyter" (default: shell)
- SANDBOX_API_KEY: Optional JWT token for authentication
"""
name = "aio_sandbox"
def __init__(self, config: SandboxConfig):
self.config = config
self.base_url = config.api_url.rstrip("/") if config.api_url else ""
if not self.base_url:
raise ValueError(
"aio-sandbox URL is required. "
"Set SANDBOX_API_URL environment variable (e.g., http://localhost:8080)."
)
def get_capabilities(self) -> SandboxCapabilities:
return SandboxCapabilities(
supported_languages=["python", "bash", "node", "javascript"],
max_timeout=self.config.max_timeout,
max_memory_mb=512,
network_available=True,
filesystem_available=True,
)
async def health_check(self) -> bool:
"""Check if aio-sandbox service is available."""
try:
async with httpx.AsyncClient() as client:
response = await client.get(
f"{self.base_url}/v1/sandbox",
timeout=5.0
)
return response.status_code == 200
except Exception:
return False
async def execute(
self,
code: str,
language: str,
timeout: int = 30,
work_dir: str | None = None,
**kwargs
) -> ExecutionResult:
"""Execute code using aio-sandbox."""
start_time = time.time()
# Determine endpoint based on language
# Use jupyter for python, shell for others
if language == "python":
endpoint = f"{self.base_url}/v1/jupyter/execute"
payload = {"code": code}
else:
# Shell execution for bash/node
endpoint = f"{self.base_url}/v1/shell/exec"
# Build command based on language
if language == "bash":
cmd = code
elif language == "node":
cmd = f"node -e {repr(code)}"
elif language == "javascript":
cmd = f"node -e {repr(code)}"
else:
return ExecutionResult(
success=False,
stdout="",
stderr="",
exit_code=1,
duration_ms=0,
error=f"Unsupported language: {language}. Use python, bash, or node."
)
payload = {"command": cmd}
# Build headers
headers = {"Content-Type": "application/json"}
if self.config.api_key:
headers["Authorization"] = f"Bearer {self.config.api_key}"
try:
async with httpx.AsyncClient() as client:
response = await client.post(
endpoint,
json=payload,
headers=headers,
timeout=float(timeout + 10)
)
duration_ms = int((time.time() - start_time) * 1000)
if response.status_code != 200:
return ExecutionResult(
success=False,
stdout="",
stderr="",
exit_code=response.status_code,
duration_ms=duration_ms,
error=f"aio-sandbox error: HTTP {response.status_code} - {response.text[:200]}"
)
result = response.json()
# Parse response
# Shell: {"success": true, "data": {"output": "...", "exit_code": 0}}
# Jupyter: {"success": true, "data": {"status": "ok", "outputs": [{"text": "..."}]}}
stdout = ""
stderr = ""
success = result.get("success", True)
error_msg = None
exit_code = 0
data = result.get("data", {})
if language == "python":
# Jupyter format - outputs is a list
if data and "outputs" in data:
outputs = data["outputs"]
text_parts = []
for out in outputs:
if out.get("output_type") == "stream" and out.get("name") == "stdout":
text_parts.append(out.get("text", ""))
elif out.get("output_type") == "error":
stderr += out.get("traceback", [""])[0] if out.get("traceback") else out.get("evalue", "")
stdout = "".join(text_parts)
if data.get("status") != "ok":
success = False
exit_code = 1
else:
# Shell format
if data:
stdout = data.get("output", "")
exit_code = data.get("exit_code", 0)
if not success:
error_msg = data.get("output", "Command failed")
return ExecutionResult(
success=success,
stdout=stdout[:10000],
stderr=stderr[:5000],
exit_code=exit_code,
duration_ms=duration_ms,
error=error_msg
)
except httpx.TimeoutException:
duration_ms = int((time.time() - start_time) * 1000)
return ExecutionResult(
success=False,
stdout="",
stderr="",
exit_code=124,
duration_ms=duration_ms,
error=f"Code execution timed out after {timeout}s"
)
except Exception as e:
duration_ms = int((time.time() - start_time) * 1000)
logger.exception(f"[AioSandbox] Execution error")
return ExecutionResult(
success=False,
stdout="",
stderr="",
exit_code=1,
duration_ms=duration_ms,
error=f"aio-sandbox error: {str(e)[:200]}"
)