REFACTOR API gateway
This commit is contained in:
Urtzi Alfaro
@@ -1,89 +0,0 @@
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"""Data service routes for API Gateway - Authentication handled by gateway middleware"""
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from fastapi import APIRouter, Request, Response, HTTPException
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from fastapi.responses import StreamingResponse
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import httpx
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import logging
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from app.core.config import settings
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logger = logging.getLogger(__name__)
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router = APIRouter()
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@router.api_route("/sales/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"])
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async def proxy_sales(request: Request, path: str):
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"""Proxy sales data requests to data service"""
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return await _proxy_request(request, f"/api/v1/sales/{path}")
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@router.api_route("/weather/{path:path}", methods=["GET", "POST", "OPTIONS"])
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async def proxy_weather(request: Request, path: str):
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"""Proxy weather requests to data service"""
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return await _proxy_request(request, f"/api/v1/weather/{path}")
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@router.api_route("/traffic/{path:path}", methods=["GET", "POST", "OPTIONS"])
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async def proxy_traffic(request: Request, path: str):
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"""Proxy traffic requests to data service"""
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return await _proxy_request(request, f"/api/v1/traffic/{path}")
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async def _proxy_request(request: Request, target_path: str):
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"""Proxy request to data service with user context"""
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# Handle OPTIONS requests directly for CORS
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if request.method == "OPTIONS":
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return Response(
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status_code=200,
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headers={
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"Access-Control-Allow-Origin": settings.CORS_ORIGINS_LIST,
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"Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, OPTIONS",
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"Access-Control-Allow-Headers": "Content-Type, Authorization, X-Tenant-ID",
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"Access-Control-Allow-Credentials": "true",
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"Access-Control-Max-Age": "86400" # Cache preflight for 24 hours
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}
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)
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try:
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url = f"{settings.DATA_SERVICE_URL}{target_path}"
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# Forward headers BUT add user context from gateway auth
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headers = dict(request.headers)
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headers.pop("host", None) # Remove host header
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# ✅ ADD USER CONTEXT FROM GATEWAY AUTHENTICATION
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# Gateway middleware already verified the token and added user to request.state
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if hasattr(request.state, 'user'):
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headers["X-User-ID"] = str(request.state.user.get("user_id"))
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headers["X-User-Email"] = request.state.user.get("email", "")
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headers["X-Tenant-ID"] = str(request.state.user.get("tenant_id"))
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headers["X-User-Roles"] = ",".join(request.state.user.get("roles", []))
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# Get request body if present
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body = None
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if request.method in ["POST", "PUT", "PATCH"]:
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body = await request.body()
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async with httpx.AsyncClient(timeout=30.0) as client:
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response = await client.request(
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method=request.method,
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url=url,
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params=request.query_params,
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headers=headers,
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content=body
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)
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# Return streaming response for large payloads
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if int(response.headers.get("content-length", 0)) > 1024:
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return StreamingResponse(
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iter([response.content]),
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status_code=response.status_code,
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headers=dict(response.headers),
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media_type=response.headers.get("content-type")
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)
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else:
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return response.json() if response.headers.get("content-type", "").startswith("application/json") else response.content
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except httpx.RequestError as e:
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logger.error("Data service request failed", error=str(e))
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raise HTTPException(status_code=503, detail="Data service unavailable")
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except Exception as e:
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logger.error("Unexpected error in data proxy", error=str(e))
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raise HTTPException(status_code=500, detail="Internal server error")
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@@ -1,74 +0,0 @@
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# ================================================================
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# Gateway Integration: Update gateway/app/routes/forecasting.py
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# ================================================================
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"""Forecasting service routes for API Gateway"""
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from fastapi import APIRouter, Request
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import httpx
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import logging
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from app.core.config import settings
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logger = logging.getLogger(__name__)
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router = APIRouter()
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@router.api_route("/forecasts/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"])
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async def proxy_forecasts(request: Request, path: str):
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"""Proxy forecast requests to forecasting service"""
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return await _proxy_request(request, f"/api/v1/forecasts/{path}")
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@router.api_route("/predictions/{path:path}", methods=["GET", "POST", "OPTIONS"])
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async def proxy_predictions(request: Request, path: str):
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"""Proxy prediction requests to forecasting service"""
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return await _proxy_request(request, f"/api/v1/predictions/{path}")
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async def _proxy_request(request: Request, target_path: str):
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"""Proxy request to forecasting service with user context"""
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# Handle OPTIONS requests directly for CORS
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if request.method == "OPTIONS":
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return Response(
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status_code=200,
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headers={
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"Access-Control-Allow-Origin": settings.CORS_ORIGINS_LIST,
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"Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, OPTIONS",
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"Access-Control-Allow-Headers": "Content-Type, Authorization, X-Tenant-ID",
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"Access-Control-Allow-Credentials": "true",
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"Access-Control-Max-Age": "86400" # Cache preflight for 24 hours
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}
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)
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try:
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url = f"{settings.FORECASTING_SERVICE_URL}{target_path}"
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# Forward headers and add user context
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headers = dict(request.headers)
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headers.pop("host", None)
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# Add user context from gateway authentication
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if hasattr(request.state, 'user'):
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headers["X-User-ID"] = str(request.state.user.get("user_id"))
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headers["X-User-Email"] = request.state.user.get("email", "")
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headers["X-Tenant-ID"] = str(request.state.user.get("tenant_id"))
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headers["X-User-Roles"] = ",".join(request.state.user.get("roles", []))
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# Get request body if present
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body = None
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if request.method in ["POST", "PUT", "PATCH"]:
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body = await request.body()
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async with httpx.AsyncClient(timeout=30.0) as client:
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response = await client.request(
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method=request.method,
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url=url,
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headers=headers,
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content=body,
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params=request.query_params
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)
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# Return response
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return response.json() if response.headers.get("content-type", "").startswith("application/json") else response.text
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except Exception as e:
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logger.error(f"Error proxying to forecasting service: {e}")
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raise
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@@ -1,156 +1,200 @@
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# gateway/app/routes/tenant.py - COMPLETELY UPDATED
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"""
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Tenant routes for gateway - FIXED VERSION
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Tenant routes for API Gateway - Handles all tenant-scoped endpoints
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"""
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from fastapi import APIRouter, Request, HTTPException
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from fastapi import APIRouter, Request, Response, HTTPException, Path
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from fastapi.responses import JSONResponse
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import httpx
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import logging
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from typing import Optional
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from app.core.config import settings
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logger = logging.getLogger(__name__)
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router = APIRouter()
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# ================================================================
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# TENANT MANAGEMENT ENDPOINTS
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# ================================================================
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@router.post("/register")
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async def create_tenant(request: Request):
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"""Proxy tenant creation to tenant service"""
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try:
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body = await request.body()
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# ✅ FIX: Forward all headers AND add user context from gateway auth
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headers = dict(request.headers)
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headers.pop("host", None) # Remove host header
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# ✅ ADD USER CONTEXT FROM GATEWAY AUTHENTICATION
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# Gateway middleware already verified the token and added user to request.state
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if hasattr(request.state, 'user'):
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headers["X-User-ID"] = str(request.state.user.get("user_id"))
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headers["X-User-Email"] = request.state.user.get("email", "")
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headers["X-User-Role"] = request.state.user.get("role", "user")
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# Add tenant ID if it exists
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if hasattr(request.state, 'tenant_id') and request.state.tenant_id:
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headers["X-Tenant-ID"] = str(request.state.tenant_id)
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elif request.state.user.get("tenant_id"):
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headers["X-Tenant-ID"] = str(request.state.user.get("tenant_id"))
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roles = request.state.user.get("roles", [])
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if roles:
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headers["X-User-Roles"] = ",".join(roles)
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permissions = request.state.user.get("permissions", [])
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if permissions:
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headers["X-User-Permissions"] = ",".join(permissions)
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async with httpx.AsyncClient(timeout=10.0) as client:
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response = await client.post(
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f"{settings.TENANT_SERVICE_URL}/api/v1/tenants/register",
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content=body,
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headers=headers
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)
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return JSONResponse(
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status_code=response.status_code,
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content=response.json()
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)
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except httpx.RequestError as e:
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logger.error(f"Tenant service unavailable: {e}")
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raise HTTPException(
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status_code=503,
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detail="Tenant service unavailable"
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)
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return await _proxy_to_tenant_service(request, "/api/v1/tenants/register")
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@router.get("/")
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async def get_tenants(request: Request):
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"""Get tenants"""
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@router.get("/{tenant_id}")
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async def get_tenant(request: Request, tenant_id: str = Path(...)):
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"""Get specific tenant details"""
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return await _proxy_to_tenant_service(request, f"/api/v1/tenants/{tenant_id}")
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@router.put("/{tenant_id}")
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async def update_tenant(request: Request, tenant_id: str = Path(...)):
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"""Update tenant details"""
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return await _proxy_to_tenant_service(request, f"/api/v1/tenants/{tenant_id}")
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@router.get("/{tenant_id}/members")
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async def get_tenant_members(request: Request, tenant_id: str = Path(...)):
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"""Get tenant members"""
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return await _proxy_to_tenant_service(request, f"/api/v1/tenants/{tenant_id}/members")
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# ================================================================
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# TENANT-SCOPED DATA SERVICE ENDPOINTS
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# ================================================================
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@router.api_route("/{tenant_id}/sales/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"])
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async def proxy_tenant_sales(request: Request, tenant_id: str = Path(...), path: str = ""):
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"""Proxy tenant sales requests to data service"""
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target_path = f"/api/v1/tenants/{tenant_id}/sales/{path}".rstrip("/")
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return await _proxy_to_data_service(request, target_path)
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@router.api_route("/{tenant_id}/weather/{path:path}", methods=["GET", "POST", "OPTIONS"])
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async def proxy_tenant_weather(request: Request, tenant_id: str = Path(...), path: str = ""):
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"""Proxy tenant weather requests to data service"""
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target_path = f"/api/v1/tenants/{tenant_id}/weather/{path}".rstrip("/")
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return await _proxy_to_data_service(request, target_path)
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@router.api_route("/{tenant_id}/analytics/{path:path}", methods=["GET", "POST", "OPTIONS"])
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async def proxy_tenant_analytics(request: Request, tenant_id: str = Path(...), path: str = ""):
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"""Proxy tenant analytics requests to data service"""
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target_path = f"/api/v1/tenants/{tenant_id}/analytics/{path}".rstrip("/")
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return await _proxy_to_data_service(request, target_path)
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# ================================================================
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# TENANT-SCOPED TRAINING SERVICE ENDPOINTS
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# ================================================================
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@router.api_route("/{tenant_id}/training/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"])
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async def proxy_tenant_training(request: Request, tenant_id: str = Path(...), path: str = ""):
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"""Proxy tenant training requests to training service"""
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target_path = f"/api/v1/tenants/{tenant_id}/training/{path}".rstrip("/")
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return await _proxy_to_training_service(request, target_path)
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@router.api_route("/{tenant_id}/models/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"])
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async def proxy_tenant_models(request: Request, tenant_id: str = Path(...), path: str = ""):
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"""Proxy tenant model requests to training service"""
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target_path = f"/api/v1/tenants/{tenant_id}/models/{path}".rstrip("/")
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return await _proxy_to_training_service(request, target_path)
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# ================================================================
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# TENANT-SCOPED FORECASTING SERVICE ENDPOINTS
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# ================================================================
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@router.api_route("/{tenant_id}/forecasts/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"])
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async def proxy_tenant_forecasts(request: Request, tenant_id: str = Path(...), path: str = ""):
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"""Proxy tenant forecast requests to forecasting service"""
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target_path = f"/api/v1/tenants/{tenant_id}/forecasts/{path}".rstrip("/")
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return await _proxy_to_forecasting_service(request, target_path)
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@router.api_route("/{tenant_id}/predictions/{path:path}", methods=["GET", "POST", "OPTIONS"])
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async def proxy_tenant_predictions(request: Request, tenant_id: str = Path(...), path: str = ""):
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"""Proxy tenant prediction requests to forecasting service"""
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target_path = f"/api/v1/tenants/{tenant_id}/predictions/{path}".rstrip("/")
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return await _proxy_to_forecasting_service(request, target_path)
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# ================================================================
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# TENANT-SCOPED NOTIFICATION SERVICE ENDPOINTS
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# ================================================================
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@router.api_route("/{tenant_id}/notifications/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"])
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async def proxy_tenant_notifications(request: Request, tenant_id: str = Path(...), path: str = ""):
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"""Proxy tenant notification requests to notification service"""
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target_path = f"/api/v1/tenants/{tenant_id}/notifications/{path}".rstrip("/")
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return await _proxy_to_notification_service(request, target_path)
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# ================================================================
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# PROXY HELPER FUNCTIONS
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# ================================================================
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async def _proxy_to_tenant_service(request: Request, target_path: str):
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"""Proxy request to tenant service"""
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return await _proxy_request(request, target_path, settings.TENANT_SERVICE_URL)
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async def _proxy_to_data_service(request: Request, target_path: str):
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"""Proxy request to data service"""
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return await _proxy_request(request, target_path, settings.DATA_SERVICE_URL)
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async def _proxy_to_training_service(request: Request, target_path: str):
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"""Proxy request to training service"""
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return await _proxy_request(request, target_path, settings.TRAINING_SERVICE_URL)
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async def _proxy_to_forecasting_service(request: Request, target_path: str):
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"""Proxy request to forecasting service"""
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return await _proxy_request(request, target_path, settings.FORECASTING_SERVICE_URL)
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async def _proxy_to_notification_service(request: Request, target_path: str):
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"""Proxy request to notification service"""
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return await _proxy_request(request, target_path, settings.NOTIFICATION_SERVICE_URL)
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async def _proxy_request(request: Request, target_path: str, service_url: str):
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"""Generic proxy function with enhanced error handling"""
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# Handle OPTIONS requests directly for CORS
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if request.method == "OPTIONS":
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return Response(
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status_code=200,
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headers={
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"Access-Control-Allow-Origin": settings.CORS_ORIGINS_LIST,
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"Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, OPTIONS",
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"Access-Control-Allow-Headers": "Content-Type, Authorization, X-Tenant-ID",
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"Access-Control-Allow-Credentials": "true",
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"Access-Control-Max-Age": "86400"
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}
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)
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try:
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# ✅ FIX: Same pattern for GET requests
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url = f"{service_url}{target_path}"
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# Forward headers and add user/tenant context
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headers = dict(request.headers)
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headers.pop("host", None)
|
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|
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# Add user context from gateway auth
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if hasattr(request.state, 'user'):
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headers["X-User-ID"] = str(request.state.user.get("user_id"))
|
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headers["X-User-Email"] = request.state.user.get("email", "")
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headers["X-User-Role"] = request.state.user.get("role", "user")
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if hasattr(request.state, 'tenant_id') and request.state.tenant_id:
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headers["X-Tenant-ID"] = str(request.state.tenant_id)
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elif request.state.user.get("tenant_id"):
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headers["X-Tenant-ID"] = str(request.state.user.get("tenant_id"))
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roles = request.state.user.get("roles", [])
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if roles:
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headers["X-User-Roles"] = ",".join(roles)
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async with httpx.AsyncClient(timeout=10.0) as client:
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response = await client.get(
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f"{settings.TENANT_SERVICE_URL}/api/v1/tenants",
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headers=headers
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)
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return JSONResponse(
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status_code=response.status_code,
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content=response.json()
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)
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except httpx.RequestError as e:
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logger.error(f"Tenant service unavailable: {e}")
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raise HTTPException(
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status_code=503,
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detail="Tenant service unavailable"
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)
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# ✅ ADD: Generic proxy function like the data service has
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async def _proxy_tenant_request(request: Request, target_path: str, method: str = None):
|
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"""Proxy request to tenant service with user context"""
|
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try:
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url = f"{settings.TENANT_SERVICE_URL}{target_path}"
|
||||
|
||||
# Forward headers with user context
|
||||
headers = dict(request.headers)
|
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headers.pop("host", None)
|
||||
|
||||
# Add user context from gateway authentication
|
||||
if hasattr(request.state, 'user'):
|
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headers["X-User-ID"] = str(request.state.user.get("user_id"))
|
||||
headers["X-User-Email"] = request.state.user.get("email", "")
|
||||
headers["X-User-Role"] = request.state.user.get("role", "user")
|
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|
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if hasattr(request.state, 'tenant_id') and request.state.tenant_id:
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headers["X-Tenant-ID"] = str(request.state.tenant_id)
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||||
elif request.state.user.get("tenant_id"):
|
||||
headers["X-Tenant-ID"] = str(request.state.user.get("tenant_id"))
|
||||
|
||||
roles = request.state.user.get("roles", [])
|
||||
if roles:
|
||||
headers["X-User-Roles"] = ",".join(roles)
|
||||
|
||||
# Get request body if present
|
||||
body = None
|
||||
request_method = method or request.method
|
||||
if request_method in ["POST", "PUT", "PATCH"]:
|
||||
if request.method in ["POST", "PUT", "PATCH"]:
|
||||
body = await request.body()
|
||||
|
||||
# Add query parameters
|
||||
params = dict(request.query_params)
|
||||
|
||||
async with httpx.AsyncClient(timeout=30.0) as client:
|
||||
response = await client.request(
|
||||
method=request_method,
|
||||
method=request.method,
|
||||
url=url,
|
||||
headers=headers,
|
||||
content=body,
|
||||
params=dict(request.query_params)
|
||||
params=params
|
||||
)
|
||||
|
||||
# Handle different response types
|
||||
if response.headers.get("content-type", "").startswith("application/json"):
|
||||
try:
|
||||
content = response.json()
|
||||
except:
|
||||
content = {"message": "Invalid JSON response from service"}
|
||||
else:
|
||||
content = response.text
|
||||
|
||||
return JSONResponse(
|
||||
status_code=response.status_code,
|
||||
content=response.json()
|
||||
content=content
|
||||
)
|
||||
|
||||
except httpx.TimeoutError:
|
||||
logger.error(f"Timeout calling {service_url}{target_path}")
|
||||
raise HTTPException(
|
||||
status_code=504,
|
||||
detail=f"Service timeout"
|
||||
)
|
||||
except httpx.RequestError as e:
|
||||
logger.error(f"Tenant service unavailable: {e}")
|
||||
logger.error(f"Request error calling {service_url}{target_path}: {e}")
|
||||
raise HTTPException(
|
||||
status_code=503,
|
||||
detail="Tenant service unavailable"
|
||||
detail=f"Service unavailable"
|
||||
)
|
||||
except Exception as e:
|
||||
logger.error(f"Unexpected error proxying to {service_url}{target_path}: {e}")
|
||||
raise HTTPException(
|
||||
status_code=500,
|
||||
detail="Internal gateway error"
|
||||
)
|
||||
@@ -1,100 +0,0 @@
|
||||
"""
|
||||
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")
|
||||
Reference in New Issue
Block a user