refactor(core): Port config for frontend hooks, Redis and AI features (#17728)

packages/@n8n/config/src/configs/ai.config.ts

@@ -0,0 +1,8 @@
+import { Config, Env } from '../decorators';
+
+@Config
+export class AiConfig {
+	/** Whether AI features are enabled. */
+	@Env('N8N_AI_ENABLED')
+	enabled: boolean = false;
+}

packages/@n8n/config/src/configs/redis.config.ts

@@ -0,0 +1,8 @@
+import { Config, Env } from '../decorators';
+
+@Config
+export class RedisConfig {
+	/** Prefix for all Redis keys managed by n8n. */
+	@Env('N8N_REDIS_KEY_PREFIX')
+	prefix: string = 'n8n';
+}

packages/@n8n/config/src/index.ts

@@ -1,6 +1,7 @@
 import { z } from 'zod';
 
 import { AiAssistantConfig } from './configs/ai-assistant.config';
+import { AiConfig } from './configs/ai.config';
 import { AuthConfig } from './configs/auth.config';
 import { CacheConfig } from './configs/cache.config';
 import { CredentialsConfig } from './configs/credentials.config';
@@ -21,6 +22,7 @@ import { NodesConfig } from './configs/nodes.config';
 import { PartialExecutionsConfig } from './configs/partial-executions.config';
 import { PersonalizationConfig } from './configs/personalization.config';
 import { PublicApiConfig } from './configs/public-api.config';
+import { RedisConfig } from './configs/redis.config';
 import { TaskRunnersConfig } from './configs/runners.config';
 import { ScalingModeConfig } from './configs/scaling-mode.config';
 import { SecurityConfig } from './configs/security.config';
@@ -195,4 +197,14 @@ export class GlobalConfig {
 	/** Public URL where the editor is accessible. Also used for emails sent from n8n. */
 	@Env('N8N_EDITOR_BASE_URL')
 	editorBaseUrl: string = '';
+
+	/** URLs to external frontend hooks files, separated by semicolons. */
+	@Env('EXTERNAL_FRONTEND_HOOKS_URLS')
+	externalFrontendHooksUrls: string = '';
+
+	@Nested
+	redis: RedisConfig;
+
+	@Nested
+	ai: AiConfig;
 }

packages/@n8n/config/test/config.test.ts

@@ -348,6 +348,13 @@ describe('GlobalConfig', () => {
 				loginLabel: '',
 			},
 		},
+		redis: {
+			prefix: 'n8n',
+		},
+		externalFrontendHooksUrls: '',
+		ai: {
+			enabled: false,
+		},
 	};
 
 	it('should use all default values when no env variables are defined', () => {

packages/cli/src/commands/start.ts

@@ -126,7 +126,7 @@ export class Start extends BaseCommand<z.infer<typeof flagsSchema>> {
 	private async generateStaticAssets() {
 		// Read the index file and replace the path placeholder
 		const n8nPath = this.globalConfig.path;
-		const hooksUrls = config.getEnv('externalFrontendHooksUrls');
+		const hooksUrls = this.globalConfig.externalFrontendHooksUrls;
 
 		let scriptsString = '';
 		if (hooksUrls) {

packages/cli/src/config/schema.ts

@@ -139,22 +139,6 @@ export const schema = {
 		},
 	},
 
-	externalFrontendHooksUrls: {
-		doc: 'URLs to external frontend hooks files, ; separated',
-		format: String,
-		default: '',
-		env: 'EXTERNAL_FRONTEND_HOOKS_URLS',
-	},
-
-	redis: {
-		prefix: {
-			doc: 'Prefix for all n8n related keys',
-			format: String,
-			default: 'n8n',
-			env: 'N8N_REDIS_KEY_PREFIX',
-		},
-	},
-
 	/**
 	 * @important Do not remove until after cloud hooks are updated to stop using convict config.
 	 */
@@ -170,10 +154,8 @@ export const schema = {
 	 */
 	ai: {
 		enabled: {
-			doc: 'Whether AI features are enabled',
 			format: Boolean,
-			default: false,
-			env: 'N8N_AI_ENABLED',
+			default: Container.get(GlobalConfig).ai.enabled,
 		},
 	},
 };

packages/cli/src/scaling/multi-main-setup.ee.ts

@@ -5,7 +5,6 @@ import { MultiMainMetadata } from '@n8n/decorators';
 import { Container, Service } from '@n8n/di';
 import { InstanceSettings } from 'n8n-core';
 
-import config from '@/config';
 import { Publisher } from '@/scaling/pubsub/publisher.service';
 import { RedisClientService } from '@/services/redis-client.service';
 import { TypedEmitter } from '@/typed-emitter';
@@ -48,7 +47,7 @@ export class MultiMainSetup extends TypedEmitter<MultiMainEvents> {
 	private leaderCheckInterval: NodeJS.Timeout | undefined;
 
 	async init() {
-		const prefix = config.getEnv('redis.prefix');
+		const prefix = this.globalConfig.redis.prefix;
 		const validPrefix = this.redisClientService.toValidPrefix(prefix);
 		this.leaderKey = validPrefix + ':main_instance_leader';
 

packages/cli/src/services/cache/cache.service.ts

@@ -39,7 +39,7 @@ export class CacheService extends TypedEmitter<CacheEvents> {
 			const { RedisClientService } = await import('../redis-client.service');
 			const redisClientService = Container.get(RedisClientService);
 
-			const prefixBase = config.getEnv('redis.prefix');
+			const prefixBase = this.globalConfig.redis.prefix;
 			const prefix = redisClientService.toValidPrefix(
 				`${prefixBase}:${this.globalConfig.cache.redis.prefix}:`,
 			);