From a3aaeef5d1021617cbd4aebf7ad6918a70a5d946 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9CNaeel=E2=80=9D?= <tazet@narod.ru>
Date: Thu, 9 Jul 2026 00:00:30 +0400
Subject: [PATCH] =?UTF-8?q?/v2/db-status=20=E2=80=94=20=D0=BF=D1=80=D0=BE?=
 =?UTF-8?q?=D0=B2=D0=B5=D1=80=D0=BA=D0=B0=20DNS=20=D0=B8=20=D0=BF=D0=BE?=
 =?UTF-8?q?=D0=B4=D0=BA=D0=BB=D1=8E=D1=87=D0=B5=D0=BD=D0=B8=D1=8F=20=D0=BA?=
 =?UTF-8?q?=20PG.=20=D0=92=D0=B5=D1=80=D1=81=D0=B8=D1=8F=200.1.18?=
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---
 package.json           |  2 +-
 v2/server.js           | 16 ++++++++++++++++
 v2/src/config/index.js |  2 +-
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index f46c3c4..b269ab6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ipwhitelist",
-  "version": "0.1.17",
+  "version": "0.1.18",
   "description": "IP WhiteList microservice for cloud provider",
   "main": "server.js",
   "scripts": {
diff --git a/v2/server.js b/v2/server.js
index d024119..1198edb 100644
--- a/v2/server.js
+++ b/v2/server.js
@@ -65,6 +65,22 @@ function createV2Router({ generateCsrfToken, doubleCsrfProtection } = {}) {
     }
   });
 
+  // ── GET /v2/db-status — проверка подключения к PG (для отладки) ─────
+  router.get('/db-status', async (req, res) => {
+    try {
+      const { pool } = require('./src/db');
+      const dns = require('dns').promises;
+      const host = process.env.DB_HOST || 'localhost';
+      const ips = await dns.resolve4(host).catch(() => ['dns-failed']);
+      const start = Date.now();
+      await pool.query('SELECT 1 AS ok');
+      const result = { ok: true, db_host: host, resolved_ips: ips, query_ms: Date.now() - start };
+      return res.json(result);
+    } catch (e) {
+      return res.json({ ok: false, error: e.message, db_host: process.env.DB_HOST || 'unknown' });
+    }
+  });
+
   // ── GET /v2/iam-gateway-test — сравнение API (только админ) ────────
   router.get('/iam-gateway-test', resolveContext, async (req, res) => {
     if (!req.canAdmin) return res.status(403).send('Доступ запрещён');
diff --git a/v2/src/config/index.js b/v2/src/config/index.js
index 931eb76..e7bfc5b 100644
--- a/v2/src/config/index.js
+++ b/v2/src/config/index.js
@@ -8,7 +8,7 @@
 // ═══════════════════════════════════════════════════════════════════════════════
 
 module.exports = {
-  version: '0.1.17',
+  version: '0.1.18',
 
   // ── Среда ─────────────────────────────────────────────────────────────────
   // APP_ENV=test → тестовый стенд (жёлтый баннер в UI, можно включать тестовый API)