Files
bakery-ia/gateway/app/routes/training.py
2025-07-25 17:20:39 +02:00

100 lines
3.8 KiB
Python

"""
Training routes for gateway - FIXED VERSION
"""
from fastapi import APIRouter, Request, HTTPException, Query, Response
from fastapi.responses import JSONResponse
import httpx
import logging
from typing import Optional
from app.core.config import settings
logger = logging.getLogger(__name__)
router = APIRouter()
async def _proxy_training_request(request: Request, target_path: str, method: str = None):
"""Proxy request to training service with user context"""
# Handle OPTIONS requests directly for CORS
if request.method == "OPTIONS":
return Response(
status_code=200,
headers={
"Access-Control-Allow-Origin": settings.CORS_ORIGINS_LIST,
"Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, OPTIONS",
"Access-Control-Allow-Headers": "Content-Type, Authorization, X-Tenant-ID",
"Access-Control-Allow-Credentials": "true",
"Access-Control-Max-Age": "86400" # Cache preflight for 24 hours
}
)
try:
url = f"{settings.TRAINING_SERVICE_URL}{target_path}"
# Forward headers AND add user context from gateway auth
headers = dict(request.headers)
headers.pop("host", None) # Remove host header
# ✅ ADD USER CONTEXT FROM GATEWAY AUTHENTICATION
# Gateway middleware already verified the token and added user to request.state
if hasattr(request.state, 'user'):
headers["X-User-ID"] = str(request.state.user.get("user_id"))
headers["X-User-Email"] = request.state.user.get("email", "")
headers["X-Tenant-ID"] = str(request.state.user.get("tenant_id"))
headers["X-User-Roles"] = ",".join(request.state.user.get("roles", []))
headers["X-User-Permissions"] = ",".join(request.state.user.get("permissions", []))
# Get request body if present
body = None
request_method = method or request.method
if request_method in ["POST", "PUT", "PATCH"]:
body = await request.body()
async with httpx.AsyncClient(timeout=30.0) as client:
response = await client.request(
method=request_method,
url=url,
headers=headers,
content=body,
params=dict(request.query_params)
)
return JSONResponse(
status_code=response.status_code,
content=response.json()
)
except httpx.RequestError as e:
logger.error(f"Training service unavailable: {e}")
raise HTTPException(
status_code=503,
detail="Training service unavailable"
)
except Exception as e:
logger.error(f"Training service error: {e}")
raise HTTPException(status_code=500, detail="Internal server error")
@router.get("/status/{training_job_id}")
async def get_training_status(training_job_id: str, request: Request):
"""Get training job status"""
return await _proxy_training_request(request, f"/training/status/{training_job_id}", "GET")
@router.get("/models")
async def get_trained_models(request: Request):
"""Get trained models"""
return await _proxy_training_request(request, "/training/models", "GET")
@router.get("/jobs")
async def get_training_jobs(
request: Request,
limit: Optional[int] = Query(10, ge=1, le=100),
offset: Optional[int] = Query(0, ge=0)
):
"""Get training jobs"""
return await _proxy_training_request(request, f"/training/jobs?limit={limit}&offset={offset}", "GET")
@router.post("/jobs")
async def start_training_job(request: Request):
"""Start a new training job - Proxy to training service"""
return await _proxy_training_request(request, "/training/jobs", "POST")