OSVauco/agents/core-logic/app.py

253 lines
9.9 KiB
Python

# agents/core-logic/app.py
# OSVauco-NMTMD-GCOS — FastAPI HTTP entrypoint for Cloud Run
import os
import sys
import logging
from contextlib import asynccontextmanager
from fastapi import FastAPI, HTTPException, Request
from fastapi.responses import JSONResponse
from pydantic import BaseModel
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
# Gjor ml-pakken tilgjengelig uansett cwd
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..'))
try:
from google.adk.runners import Runner
from google.adk.sessions import InMemorySessionService
from google.genai.types import Content, Part
from agent import root_agent
from agents.recommendations_engine import get_recommendations
except ImportError as e:
logger.error(f"Failed to import ADK dependencies: {e}")
raise
session_service = InMemorySessionService()
APP_NAME = os.environ.get("CLOUD_RUN_SERVICE", "gcp-orchestrator")
PROJECT_ID = os.environ.get("GOOGLE_CLOUD_PROJECT", "propane-will-491900-m5")
BQ_BILLING_DATASET = os.environ.get("BQ_BILLING_DATASET", "billing_data")
# CG6: in-memory budget store (TODO Fase-C: migrate to Firestore per-user)
_budget_store: dict = {} # key: user_email | "default"
@asynccontextmanager
async def lifespan(app: FastAPI):
logger.info(f"OSVauco agent '{APP_NAME}' starting up")
yield
logger.info(f"OSVauco agent '{APP_NAME}' shutting down")
app = FastAPI(
title="OSVauco GCP Agent",
description="ADK-based multi-agent orchestrator on Cloud Run",
version="1.0.0",
lifespan=lifespan,
)
class RunRequest(BaseModel):
user_id: str
session_id: str
message: str
class RunResponse(BaseModel):
user_id: str
session_id: str
response: str
class BudgetRequest(BaseModel):
budget: float
user: str = "default"
async def _ensure_session(user_id: str, session_id: str):
try:
session = await session_service.get_session(
app_name=APP_NAME, user_id=user_id, session_id=session_id
)
if session is not None:
return session
except Exception:
pass
session = await session_service.create_session(
app_name=APP_NAME, user_id=user_id, session_id=session_id
)
logger.info(f"Created new session: {session_id} for user: {user_id}")
return session
# ── helse ────────────────────────────────────────────────────────────────────
@app.get("/health")
async def health():
return JSONResponse({"status": "ok", "service": APP_NAME})
# ── agent run ────────────────────────────────────────────────────────────────
@app.post("/run", response_model=RunResponse)
async def run(req: RunRequest):
try:
await _ensure_session(req.user_id, req.session_id)
runner = Runner(agent=root_agent, app_name=APP_NAME, session_service=session_service)
user_content = Content(role="user", parts=[Part(text=req.message)])
final_response = ""
async for event in runner.run_async(
user_id=req.user_id, session_id=req.session_id, new_message=user_content
):
if event.is_final_response() and event.content:
for part in event.content.parts:
if part.text:
final_response += part.text
logger.info(f"[{req.user_id}/{req.session_id}] Response length: {len(final_response)}")
return RunResponse(user_id=req.user_id, session_id=req.session_id, response=final_response)
except Exception as e:
logger.error(f"Agent run failed: {e}", exc_info=True)
raise HTTPException(status_code=500, detail=str(e))
# ── billing: tokens ──────────────────────────────────────────────────────────
@app.get("/billing/tokens/summary")
async def billing_tokens_summary():
try:
from google.cloud import bigquery
client = bigquery.Client(project=PROJECT_ID)
query = f"""
SELECT
agent_name,
model_name,
SUM(input_tokens) AS total_input_tokens,
SUM(output_tokens) AS total_output_tokens,
SUM(total_tokens) AS total_tokens,
SUM(estimated_cost_usd) AS total_cost_usd
FROM `{PROJECT_ID}.{BQ_BILLING_DATASET}.llm_token_usage`
WHERE timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
GROUP BY agent_name, model_name
ORDER BY total_cost_usd DESC
"""
rows = [
{
"agent_name": row.agent_name,
"model_name": row.model_name,
"total_input_tokens": row.total_input_tokens,
"total_output_tokens": row.total_output_tokens,
"total_tokens": row.total_tokens,
"total_cost_usd": round(float(row.total_cost_usd), 6),
}
for row in client.query(query).result()
]
return JSONResponse({"period_days": 30, "rows": rows})
except Exception as e:
logger.error(f"[/billing/tokens/summary] Failed: {e}", exc_info=True)
raise HTTPException(status_code=500, detail=str(e))
# ── billing: anbefalinger ────────────────────────────────────────────────────
@app.get("/billing/recommendations")
async def billing_recommendations(budget: float = 500.0):
try:
recommendations = get_recommendations(budget)
return JSONResponse(recommendations)
except Exception as e:
logger.error(f"[/billing/recommendations] Failed: {e}", exc_info=True)
raise HTTPException(status_code=500, detail=str(e))
# ── billing: tjenester med SKU-detaljer (CG5) ────────────────────────────────
@app.get("/billing/by-service")
async def billing_by_service(days: int = 30):
try:
from ml.billing_agent import BillingAgent
agent = BillingAgent()
return JSONResponse(agent.get_service_totals(days))
except Exception as e:
logger.error(f"[/billing/by-service] Failed: {e}", exc_info=True)
return JSONResponse([]) # fallback: tom liste, dashbordet krasjer ikke
# ── billing: anomalier (CG6) ─────────────────────────────────────────────────
@app.get("/billing/anomalies")
async def billing_anomalies():
"""
CG6 — Anomalideteksjon: sammenligner dagens kostnad mot 7-dagers snitt per tjeneste.
Returnerer tjenester der dagens kostnad > 2x snittet.
Fallback: tom liste ved feil slik at dashbordet ikke krasjer.
"""
try:
from ml.billing_agent import BillingAgent
agent = BillingAgent()
return JSONResponse(agent.get_anomalies())
except Exception as e:
logger.error(f"[/billing/anomalies] Failed: {e}", exc_info=True)
return JSONResponse({"anomalies": []})
# ── billing: historikk for bar-chart (CG6) ───────────────────────────────────
@app.get("/billing/history")
async def billing_history(days: int = 30):
"""
CG6 — Daglig MTD-historikk for bar-chart i dashbordet.
Returnerer liste: [{date, mtd}] sortert ASC.
"""
try:
from ml.billing_agent import BillingAgent
agent = BillingAgent()
return JSONResponse({"history": agent.get_daily_history(days)})
except Exception as e:
logger.error(f"[/billing/history] Failed: {e}", exc_info=True)
return JSONResponse({"history": []})
# ── billing: summary ─────────────────────────────────────────────────────────
@app.get("/billing/summary")
async def billing_summary():
try:
from ml.billing_agent import BillingAgent
agent = BillingAgent()
return JSONResponse(agent.get_summary())
except Exception as e:
logger.error(f"[/billing/summary] Failed: {e}", exc_info=True)
return JSONResponse({"summary": []})
# ── billing: live / forecast ─────────────────────────────────────────────────
@app.get("/billing/live")
async def billing_live():
try:
from ml.billing_agent import BillingAgent
agent = BillingAgent()
return JSONResponse(agent.get_forecast())
except Exception as e:
logger.error(f"[/billing/live] Failed: {e}", exc_info=True)
return JSONResponse({})
# ── billing: budsjett GET + POST (CG6) ───────────────────────────────────────
# TODO Fase-C: erstatt _budget_store med Firestore-dokument per bruker
@app.get("/billing/budget")
async def get_budget(user: str = "default"):
"""
CG6 — Hent lagret budsjett for bruker.
In-memory; nullstilles ved redeploy (Firestore i Fase C).
"""
budget = _budget_store.get(user, 500.0)
return JSONResponse({"budget": budget, "user": user})
@app.post("/billing/budget")
async def set_budget(req: BudgetRequest):
"""
CG6 — Lagre budsjett for bruker.
In-memory; nullstilles ved redeploy (Firestore i Fase C).
"""
if req.budget <= 0:
raise HTTPException(status_code=400, detail="Budget must be > 0")
_budget_store[req.user] = req.budget
logger.info(f"Budget updated: {req.user} -> {req.budget}")
return JSONResponse({"budget": req.budget, "user": req.user})