76 lines
2.3 KiB
TypeScript
76 lines
2.3 KiB
TypeScript
import "reflect-metadata";
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import { NestFactory } from "@nestjs/core";
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import { Transport, MicroserviceOptions } from "@nestjs/microservices";
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import { AppModule } from "./app.module.js";
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import { GlobalErrorFilter } from "./shared/errors/global-error.filter.js";
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import { initTracer, shutdownTracer } from "./shared/observability/tracer.js";
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import { env } from "./config/env.js";
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import { logger } from "./shared/observability/logger.js";
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import { metricsRegistry } from "./shared/observability/metrics.js";
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import { getJwtKeyPair } from "./config/jwt.js";
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import type { Request, Response } from "express";
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/**
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* IAM 服务启动入口。
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*
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* 双入口（president §2.16）：
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* - HTTP server：env.PORT（3002），供 gateway 透传 + admin-portal 直连
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* - gRPC server：env.GRPC_PORT（50052），供 BFF 聚合调用（I1 裁决）
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*
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* 启动顺序：
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* 1. initTracer（OTel SDK）
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* 2. 创建 NestApplication
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* 3. 注册 GlobalErrorFilter
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* 4. 启动 gRPC microservice（hybrid app）
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* 5. 启动 HTTP server
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* 6. 预加载 JWT 密钥对（确保文件可读）
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*/
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async function bootstrap(): Promise<void> {
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initTracer();
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// 预加载 JWT 密钥对（启动时即校验文件可读，避免运行时才发现配置错误）
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getJwtKeyPair();
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const app = await NestFactory.create(AppModule, {
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logger: ["log", "error", "warn"],
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});
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app.useGlobalFilters(new GlobalErrorFilter());
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app.enableShutdownHooks();
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// gRPC microservice（端口 50052，I1 裁决）
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app.connectMicroservice<MicroserviceOptions>({
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transport: Transport.GRPC,
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options: {
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package: "next_edu_cloud.iam.v1",
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protoPath: "proto/iam.proto",
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url: `0.0.0.0:${env.GRPC_PORT}`,
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},
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});
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// Prometheus 指标端点
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app.getHttpAdapter().get("/metrics", async (_req: Request, res: Response) => {
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res.set("Content-Type", metricsRegistry.contentType);
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res.end(await metricsRegistry.metrics());
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});
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// 启动 hybrid app（HTTP + gRPC）
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await app.startAllMicroservices();
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await app.listen(env.PORT);
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logger.info(
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{ httpPort: env.PORT, grpcPort: env.GRPC_PORT },
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"IAM service started (HTTP + gRPC dual entry)",
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);
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process.on("SIGTERM", async () => {
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await app.close();
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await shutdownTracer();
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});
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}
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bootstrap().catch((err: unknown) => {
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logger.error({ err }, "Failed to start IAM service");
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process.exit(1);
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});
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