feat(http): remove dnsCache option (#29449)

lib/types/host-rules.ts

@@ -14,7 +14,6 @@ export interface HostRule {
   headers?: Record<string, string>;
   maxRetryAfter?: number;
 
-  dnsCache?: boolean;
   keepAlive?: boolean;
   artifactAuth?: string[] | null;
   httpsCertificateAuthority?: string;

lib/util/http/host-rules.spec.ts

@@ -2,7 +2,6 @@ import { GlobalConfig } from '../../config/global';
 import { bootstrap } from '../../proxy';
 import type { HostRule } from '../../types';
 import * as hostRules from '../host-rules';
-import { dnsLookup } from './dns';
 import { applyHostRule, findMatchingRule } from './host-rules';
 import type { GotOptions } from './types';
 
@@ -125,22 +124,6 @@ describe('util/http/host-rules', () => {
     });
   });
 
-  it('uses dnsCache', () => {
-    hostRules.add({ dnsCache: true });
-
-    const opts = { ...options, token: 'xxx' };
-    const hostRule = findMatchingRule(url, opts);
-    expect(hostRule).toEqual({
-      dnsCache: true,
-      token: 'token',
-    });
-    expect(applyHostRule(url, opts, hostRule)).toMatchObject({
-      hostType: 'github',
-      lookup: dnsLookup,
-      token: 'xxx',
-    });
-  });
-
   it('uses http keep-alive', () => {
     hostRules.add({ keepAlive: true });
 

lib/util/http/host-rules.ts

@@ -12,7 +12,6 @@ import type { HostRule } from '../../types';
 import * as hostRules from '../host-rules';
 import { matchRegexOrGlobList } from '../string-match';
 import { parseUrl } from '../url';
-import { dnsLookup } from './dns';
 import { keepAliveAgents } from './keep-alive';
 import type { GotOptions, InternalHttpOptions } from './types';
 
@@ -161,10 +160,6 @@ export function applyHostRule<GotOptions extends HostRulesGotOptions>(
     options.timeout = hostRule.timeout;
   }
 
-  if (hostRule.dnsCache) {
-    options.lookup = dnsLookup;
-  }
-
   if (hostRule.headers) {
     const allowedHeaders = GlobalConfig.get('allowedHeaders', []);
     const filteredHeaders: Record<string, string> = {};

lib/workers/repository/index.ts

@@ -16,7 +16,6 @@ import { removeDanglingContainers } from '../../util/exec/docker';
 import { deleteLocalFile, privateCacheDir } from '../../util/fs';
 import { isCloned } from '../../util/git';
 import { detectSemanticCommits } from '../../util/git/semantic';
-import { clearDnsCache, printDnsStats } from '../../util/http/dns';
 import * as queue from '../../util/http/queue';
 import * as throttle from '../../util/http/throttle';
 import { addSplit, getSplits, splitInit } from '../../util/split';
@@ -138,8 +137,6 @@ export async function renovateRepository(
   HttpStats.report();
   HttpCacheStats.report();
   LookupStats.report();
-  printDnsStats();
-  clearDnsCache();
   const cloned = isCloned();
   logger.info({ cloned, durationMs: splits.total }, 'Repository finished');
   resetRepositoryLogLevelRemaps();

package.json

@@ -175,7 +175,6 @@
     "azure-devops-node-api": "14.0.1",
     "bunyan": "1.8.15",
     "cacache": "18.0.4",
-    "cacheable-lookup": "5.0.4",
     "chalk": "4.1.2",
     "changelog-filename-regex": "2.0.1",
     "clean-git-ref": "2.0.1",
@@ -213,7 +212,6 @@
     "jsonata": "2.0.5",
     "jsonc-parser": "3.3.1",
     "klona": "2.0.6",
-    "lru-cache": "10.4.3",
     "luxon": "3.4.4",
     "markdown-it": "14.1.0",
     "markdown-table": "2.0.0",