1a5fa78fa6
- new NestJS service on port 3011/gRPC 50059 (ADR-026) - owns 6 config_ tables (plugin/role-mapping/role-layout/layout-tpl/user-override/outbox) - GraphQL Federation 2 subgraph with DataLoader + RouterAuthGuard - gRPC ConfigService + admin REST CRUD + user REST API - three-layer merge: registry.defaultProps + roleMapping.widget_props + userOverride.props - Redis cache with 5min TTL - registered in apollo-router supergraph + docker-compose + port-allocation Implements M3 of v2.1 migration plan.
70 lines
1.9 KiB
TypeScript
70 lines
1.9 KiB
TypeScript
import {
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Injectable,
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Logger,
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OnApplicationShutdown,
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OnModuleInit,
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} from "@nestjs/common";
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import { closeDb } from "../../config/database.js";
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import { closeRedis } from "../../config/redis.js";
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import { disconnectKafkaProducer } from "../../config/kafka.js";
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const SERVICE_NAME = "config-service";
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/**
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* 优雅停机服务。
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*
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* 关闭顺序：
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* 1. HTTP/gRPC server 已由 NestJS app.close() 停止
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* 2. Kafka producer 断开
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* 3. Redis 断开
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* 4. DB 连接池关闭（最后关闭）
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*
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* v2.1 ADR-032：outbox 投递由 Debezium CDC 接管，本服务不持有 OutboxPublisher。
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*/
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@Injectable()
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export class LifecycleService implements OnModuleInit, OnApplicationShutdown {
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private readonly logger = new Logger(LifecycleService.name);
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onModuleInit(): void {
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this.logger.log(`service ${SERVICE_NAME} module initialized`);
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}
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async onApplicationShutdown(signal?: string): Promise<void> {
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this.logger.log(
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`service ${SERVICE_NAME} shutting down (signal=${signal ?? "unknown"})`,
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);
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// 1. Kafka producer
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try {
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await disconnectKafkaProducer();
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this.logger.log("Kafka producer disconnected");
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} catch (error) {
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this.logger.error(
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`Kafka producer disconnect failed: ${error instanceof Error ? error.message : String(error)}`,
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);
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}
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// 2. Redis
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try {
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await closeRedis();
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this.logger.log("Redis connection closed");
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} catch (error) {
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this.logger.error(
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`Redis close failed: ${error instanceof Error ? error.message : String(error)}`,
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);
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}
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// 3. DB（最后关闭）
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try {
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await closeDb();
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this.logger.log("database connection closed");
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} catch (error) {
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this.logger.error(
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`database close failed: ${error instanceof Error ? error.message : String(error)}`,
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);
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}
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this.logger.log(`service ${SERVICE_NAME} shutdown complete`);
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}
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}
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