fix: defer daily report push и увеличить pool БД (0.4.12)

FCM/каналы для report.daily.* после commit ingest (BackgroundTasks);
SAC_DB_POOL_SIZE=15, SAC_DB_MAX_OVERFLOW=25 для штурма 09:00.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/api/v1/events.py

@@ -2,7 +2,7 @@
 from datetime import datetime, timezone
 from typing import Any
 
-from fastapi import APIRouter, Body, Depends, HTTPException, Query
+from fastapi import APIRouter, BackgroundTasks, Body, Depends, HTTPException, Query
 from fastapi.responses import JSONResponse
 from pydantic import BaseModel
 from sqlalchemy import func, select
@@ -51,6 +51,7 @@ from app.services.notify_dispatch import (
     notify_lifecycle,
     notify_problem,
     notify_rdg_connection,
+    schedule_notify_daily_report,
 )
 
 router = APIRouter(prefix="/events", tags=["events"])
@@ -79,6 +80,7 @@ def _ingest_response(event: Event, *, created: bool) -> IngestResponse:
 
 @router.post("", response_model=IngestResponse)
 def post_event(
+    background_tasks: BackgroundTasks,
     payload: dict[str, Any] = Body(...),
     db: Session = Depends(get_db),
     _api_key: str = Depends(get_api_key_auth),
@@ -96,11 +98,12 @@ def post_event(
     event, created = ingest_event(db, payload)
     problem = None
     problem_created = False
+    deferred_daily_report_id: int | None = None
     if created:
         problem, problem_created = maybe_create_problem(db, event)
         maybe_auto_disconnect_stuck_rdp_session(db, event)
         if event.type in DAILY_REPORT_EVENT_TYPES:
-            notify_daily_report(event, db=db)
+            deferred_daily_report_id = event.id
         elif event.type == LIFECYCLE_EVENT_TYPE:
             notify_lifecycle(event, db=db)
         elif event.type in AUTH_LOGIN_SUCCESS_TYPES:
@@ -116,6 +119,9 @@ def post_event(
         logger.info("ingest duplicate event_id=%s", event.event_id)
     db.commit()
 
+    if deferred_daily_report_id is not None:
+        background_tasks.add_task(schedule_notify_daily_report, deferred_daily_report_id)
+
     body = _ingest_response(event, created=created)
     if problem is not None:
         body.problem_id = problem.id

backend/app/config.py

@@ -34,6 +34,8 @@ class Settings(BaseSettings):
     model_config = _settings_config()
 
     database_url: str = "postgresql+psycopg2://sac:sac@localhost:5432/sac"
+    sac_db_pool_size: int = 15
+    sac_db_max_overflow: int = 25
     sac_public_url: str = "http://localhost:8000"
     jwt_secret: str = "change-me-in-production"
     jwt_algorithm: str = "HS256"

backend/app/database.py

@@ -6,7 +6,11 @@ from sqlalchemy.orm import DeclarativeBase, Session, sessionmaker
 from app.config import get_settings
 
 settings = get_settings()
-engine = create_engine(settings.database_url, pool_pre_ping=True)
+_engine_kwargs: dict = {"pool_pre_ping": True}
+if settings.database_url.startswith("postgresql"):
+    _engine_kwargs["pool_size"] = max(1, int(settings.sac_db_pool_size))
+    _engine_kwargs["max_overflow"] = max(0, int(settings.sac_db_max_overflow))
+engine = create_engine(settings.database_url, **_engine_kwargs)
 SessionLocal = sessionmaker(bind=engine, autocommit=False, autoflush=False)
 
 

backend/app/services/notify_dispatch.py

@@ -142,3 +142,20 @@ def notify_rdg_connection(event: Event, *, db: Session | None = None) -> None:
     if not should_notify_event(event, db):
         return
     _dispatch_lifecycle_channels(event, db=db, policy=policy)
+
+
+def schedule_notify_daily_report(event_db_id: int) -> None:
+    """Отложенное оповещение по суточному отчёту (после commit ingest, вне горячего POST)."""
+    from app.database import SessionLocal
+
+    db = SessionLocal()
+    try:
+        event = db.get(Event, event_db_id)
+        if event is None:
+            logger.warning("deferred daily report notify: event id=%s not found", event_db_id)
+            return
+        notify_daily_report(event, db=db)
+    except Exception:
+        logger.exception("deferred daily report notify failed event_db_id=%s", event_db_id)
+    finally:
+        db.close()

backend/app/version.py

@@ -1,5 +1,5 @@
 """Единый источник версии SAC (API, health, логи, OpenAPI)."""
 
 APP_NAME = "Security Alert Center"
-APP_VERSION = "0.4.11"
+APP_VERSION = "0.4.12"
 APP_VERSION_LABEL = f"{APP_NAME} v.{APP_VERSION}"