fix(netflow): изолировать коллектор IPFIX и срезать раздувание базы

Co-authored-by: Cursor <[email protected]>

backend/src/index.ts

@@ -1,6 +1,7 @@
-import Fastify, { type FastifyInstance } from "fastify"
+import Fastify, { type FastifyError, type FastifyInstance } from "fastify"
 import cors from "@fastify/cors"
 import { serializerCompiler, validatorCompiler } from "@fastify/type-provider-zod"
+import { monitorEventLoopDelay } from "node:perf_hooks"
 import { env } from "./config.js"
 import authPlugin, { requireAuth } from "./plugins/auth.js"
 import serversRoutes from "./routes/servers.js"
@@ -28,7 +29,10 @@ import wireguardRoutes from "./routes/wireguard.js"
 import firewallRoutes from "./routes/firewall.js"
 import usersRoutes from "./routes/users.js"
 import { refreshScheduler, stopScheduler } from "./services/scheduler.js"
-import { startTrafficFlowListener, stopTrafficFlowListener } from "./services/traffic-flow-ingest.js"
+import { getFlowWorkerHealth, startTrafficFlowListener, stopTrafficFlowListener } from "./services/traffic-flow-ingest.js"
+
+const eventLoopDelay = monitorEventLoopDelay({ resolution: 20 })
+eventLoopDelay.enable()
 
 export async function buildApp(opts?: {
   logger?: boolean
@@ -37,7 +41,7 @@ export async function buildApp(opts?: {
   const usePrettyLogger =
     opts?.logger !== false && process.env.NODE_ENV !== "production"
   const app = Fastify({
-    bodyLimit: 512 * 1024 * 1024,
+    bodyLimit: 2 * 1024 * 1024,
     requestTimeout: 10 * 60 * 1000,
     logger:
       opts?.logger === false
@@ -59,6 +63,18 @@ export async function buildApp(opts?: {
   app.setValidatorCompiler(validatorCompiler)
   app.setSerializerCompiler(serializerCompiler)
 
+  app.setErrorHandler((error: FastifyError, request, reply) => {
+    const status = typeof error.statusCode === "number" && error.statusCode >= 400
+      ? error.statusCode
+      : 500
+    if (status >= 500) {
+      request.log.error(error)
+      return reply.status(status).send({ error: "Внутренняя ошибка сервера" })
+    }
+    const message = error instanceof Error ? error.message : "Ошибка запроса"
+    return reply.status(status).send({ error: message })
+  })
+
   await app.register(cors, {
     origin: env.CORS_ORIGIN,
     methods: ["GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"],
@@ -70,6 +86,8 @@ export async function buildApp(opts?: {
     status: "ok",
     timestamp: new Date().toISOString(),
     version: process.env.APP_VERSION ?? "dev",
+    eventLoopDelayMs: Math.round(eventLoopDelay.mean / 1e6),
+    flowWorker: getFlowWorkerHealth(),
   }))
 
   app.get("/api/auth/config", async () => ({
@@ -132,6 +150,29 @@ const isMain =
 if (isMain) {
   try {
     const app = await buildApp()
+    let shuttingDown = false
+    const shutdown = async (code: number) => {
+      if (shuttingDown) return
+      shuttingDown = true
+      try {
+        stopTrafficFlowListener()
+        await app.close()
+      } catch (err) {
+        console.error(err)
+      } finally {
+        process.exit(code)
+      }
+    }
+    process.on("SIGTERM", () => { void shutdown(0) })
+    process.on("SIGINT", () => { void shutdown(0) })
+    process.on("uncaughtException", (err) => {
+      console.error(err)
+      void shutdown(1)
+    })
+    process.on("unhandledRejection", (reason) => {
+      console.error(reason)
+      void shutdown(1)
+    })
     await app.listen({ port: env.PORT, host: "0.0.0.0" })
     console.log(
       `\n🚀 MikroTik Manager Backend running at http://localhost:${env.PORT}`,