refactor(dns): move to core package (#4687)

packages/common/env.ts

@@ -24,12 +24,10 @@ export const env = createEnv({
         message: `SECRET_ENCRYPTION_KEY must only contain hex characters${errorSuffix}`,
       }),
     NO_EXTERNAL_CONNECTION: createBooleanSchema(false),
-    ENABLE_DNS_CACHING: createBooleanSchema(false),
   },
   runtimeEnv: {
     SECRET_ENCRYPTION_KEY: process.env.SECRET_ENCRYPTION_KEY,
     NODE_ENV: process.env.NODE_ENV,
     NO_EXTERNAL_CONNECTION: process.env.NO_EXTERNAL_CONNECTION,
-    ENABLE_DNS_CACHING: process.env.ENABLE_DNS_CACHING,
   },
 });

packages/common/package.json

@@ -8,7 +8,6 @@
     ".": "./index.ts",
     "./types": "./src/types.ts",
     "./server": "./src/server.ts",
-    "./init-dns": "./src/dns.ts",
     "./client": "./src/client.ts",
     "./env": "./env.ts"
   },
@@ -30,7 +29,6 @@
     "@homarr/core": "workspace:^0.1.0",
     "@paralleldrive/cuid2": "^3.1.0",
     "dayjs": "^1.11.19",
-    "dns-caching": "^0.2.9",
     "next": "16.0.10",
     "octokit": "^5.0.5",
     "react": "19.2.3",

packages/common/src/dns.ts

@@ -1,28 +0,0 @@
-import { DnsCacheManager } from "dns-caching";
-
-import { createLogger } from "@homarr/core/infrastructure/logs";
-
-import { env } from "../env";
-
-// Add global type augmentation for homarr
-declare global {
-  var homarr: {
-    dnsCacheManager?: DnsCacheManager;
-    // add other properties if needed
-  };
-}
-
-const logger = createLogger({ module: "dns" });
-
-// 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,
-});
-
-if (env.ENABLE_DNS_CACHING) {
-  global.homarr.dnsCacheManager.initialize();
-}

packages/common/src/fetch-agent.ts

@@ -4,7 +4,7 @@ import { Agent } from "undici";
 import { createLogger } from "@homarr/core/infrastructure/logs";
 
 // The below import statement initializes dns-caching
-import "./dns";
+import "@homarr/core/infrastructure/dns/init";
 
 const logger = createLogger({ module: "fetchAgent" });