fix: add dns caching (#3736)

apps/tasks/src/main.ts

@@ -1,5 +1,5 @@
 // This import has to be the first import in the file so that the agent is overridden before any other modules are imported.
-import "./undici-log-agent-override";
+import "./overrides";
 
 import type { FastifyTRPCPluginOptions } from "@trpc/server/adapters/fastify";
 import { fastifyTRPCPlugin } from "@trpc/server/adapters/fastify";

package.json

@@ -98,6 +98,9 @@
       "@types/node-unifi": "patches/@types__node-unifi.patch",
       "trpc-to-openapi": "patches/trpc-to-openapi.patch"
     },
+    "patchedDependencies": {
+      "@types/node-unifi": "patches/@types__node-unifi.patch"
+    },
     "allowUnusedPatches": true,
     "ignoredBuiltDependencies": [
       "@scarf/scarf",

packages/common/package.json

@@ -8,6 +8,7 @@
     ".": "./index.ts",
     "./types": "./src/types.ts",
     "./server": "./src/server.ts",
+    "./init-dns": "./src/dns.ts",
     "./client": "./src/client.ts",
     "./env": "./env.ts"
   },
@@ -30,6 +31,7 @@
     "@homarr/log": "workspace:^0.1.0",
     "@paralleldrive/cuid2": "^2.2.2",
     "dayjs": "^1.11.15",
+    "dns-caching": "^0.2.5",
     "next": "15.5.2",
     "react": "19.1.1",
     "react-dom": "19.1.1",

packages/common/src/dns.ts

@@ -0,0 +1,22 @@
+import { DnsCacheManager } from "dns-caching";
+
+import { logger } from "@homarr/log";
+
+// Add global type augmentation for homarr
+declare global {
+  var homarr: {
+    dnsCacheManager?: DnsCacheManager;
+    // add other properties if needed
+  };
+}
+
+// Initialize global.homarr if not present
+// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+global.homarr ??= {};
+global.homarr.dnsCacheManager ??= new DnsCacheManager({
+  cacheMaxEntries: 1000,
+  forceMinTtl: 5 * 60 * 1000, // 5 minutes
+  logger,
+});
+
+global.homarr.dnsCacheManager.initialize();

packages/common/src/fetch-agent.ts

@@ -3,6 +3,9 @@ import { Agent } from "undici";
 
 import { logger } from "@homarr/log";
 
+// The below import statement initializes dns-caching
+import "./dns";
+
 export class LoggingAgent extends Agent {
   constructor(...props: ConstructorParameters<typeof Agent>) {
     super(...props);

pnpm-lock.yaml

@@ -28,9 +28,6 @@ patchedDependencies:
   '@types/node-unifi':
     hash: 5e6ae51e2a17a7f9729bfa30b0eb3d0842a5810ac6db47603ab4a6efa1ed84c5
     path: patches/@types__node-unifi.patch
-  trpc-to-openapi:
-    hash: 2ca3c16af0fcca0c736697ad4fe553a14f794524fa9ce0d5c3e8ee4aea76090c
-    path: patches/trpc-to-openapi.patch
 
 importers:
 
@@ -654,7 +651,7 @@ importers:
         version: 2.2.2
       trpc-to-openapi:
         specifier: ^3.0.1
-        version: 3.0.1(patch_hash=2ca3c16af0fcca0c736697ad4fe553a14f794524fa9ce0d5c3e8ee4aea76090c)(@trpc/server@11.5.0(typescript@5.9.2))(zod-openapi@5.3.0(zod@4.1.5))(zod@4.1.5)
+        version: 3.0.1(@trpc/server@11.5.0(typescript@5.9.2))(zod-openapi@5.3.0(zod@4.1.5))(zod@4.1.5)
       zod:
         specifier: ^4.1.5
         version: 4.1.5
@@ -867,6 +864,9 @@ importers:
       dayjs:
         specifier: ^1.11.15
         version: 1.11.18
+      dns-caching:
+        specifier: ^0.2.5
+        version: 0.2.5
       next:
         specifier: 15.5.2
         version: 15.5.2(@babel/core@7.28.3)(react-dom@19.1.1(react@19.1.1))(react@19.1.1)(sass@1.91.0)
@@ -5864,6 +5864,9 @@ packages:
     resolution: {integrity: sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==}
     engines: {node: '>=8'}
 
+  dns-caching@0.2.5:
+    resolution: {integrity: sha512-1cnB6i/OG4zfYbRnDjWZDT+FGLvOBuJlFIxVZvHBiaa62SCfaGoP4Si50O14HyoHmx1gadeGWigYXdX5LQAFvg==}
+
   docker-compose@1.2.0:
     resolution: {integrity: sha512-wIU1eHk3Op7dFgELRdmOYlPYS4gP8HhH1ZmZa13QZF59y0fblzFDFmKPhyc05phCy2hze9OEvNZAsoljrs+72w==}
     engines: {node: '>= 6.0.0'}
@@ -7614,6 +7617,10 @@ packages:
     resolution: {integrity: sha512-123qHRfJBmo2jXDbo/a5YOQrJoHF/GNQTLzQ5+IdK5pWpceK17yRc6ozlWd25FxvGKQbIUs91fDFkXmDHTKcyA==}
     engines: {node: 20 || >=22}
 
+  lru-cache@11.1.0:
+    resolution: {integrity: sha512-QIXZUBJUx+2zHUdQujWejBkcD9+cs94tLn0+YL8UrCh+D5sCXZ4c7LaEH48pNwRY3MLDgqUFyhlCyjJPf1WP0A==}
+    engines: {node: 20 || >=22}
+
   lru-cache@5.1.1:
     resolution: {integrity: sha512-KpNARQA3Iwv+jTA0utUVVbrh+Jlrr1Fv0e56GGzAFOXN7dk/FviaDW8LHmK52DlcH4WP2n6gI8vN1aesBFgo9w==}
 
@@ -10723,7 +10730,7 @@ snapshots:
       '@csstools/css-color-parser': 3.0.7(@csstools/css-parser-algorithms@3.0.4(@csstools/css-tokenizer@3.0.3))(@csstools/css-tokenizer@3.0.3)
       '@csstools/css-parser-algorithms': 3.0.4(@csstools/css-tokenizer@3.0.3)
       '@csstools/css-tokenizer': 3.0.3
-      lru-cache: 11.0.2
+      lru-cache: 11.1.0
 
   '@auth/core@0.40.0':
     dependencies:
@@ -14628,6 +14635,10 @@ snapshots:
     dependencies:
       path-type: 4.0.0
 
+  dns-caching@0.2.5:
+    dependencies:
+      lru-cache: 11.1.0
+
   docker-compose@1.2.0:
     dependencies:
       yaml: 2.5.1
@@ -16661,6 +16672,8 @@ snapshots:
 
   lru-cache@11.0.2: {}
 
+  lru-cache@11.1.0: {}
+
   lru-cache@5.1.1:
     dependencies:
       yallist: 3.1.1
@@ -19365,7 +19378,7 @@ snapshots:
 
   trough@2.2.0: {}
 
-  trpc-to-openapi@3.0.1(patch_hash=2ca3c16af0fcca0c736697ad4fe553a14f794524fa9ce0d5c3e8ee4aea76090c)(@trpc/server@11.5.0(typescript@5.9.2))(zod-openapi@5.3.0(zod@4.1.5))(zod@4.1.5):
+  trpc-to-openapi@3.0.1(@trpc/server@11.5.0(typescript@5.9.2))(zod-openapi@5.3.0(zod@4.1.5))(zod@4.1.5):
     dependencies:
       '@trpc/server': 11.5.0(typescript@5.9.2)
       co-body: 6.2.0