[M-AI-01-05] 完善独立 NestJS Worker 启动与生命周期 #249
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opened 2026-06-19 20:06:04 +08:00 by wangdl
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adr
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architecture
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area:activity
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Reference: wangdl/api-server#249
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背景
worker.main.ts 已存在但未被独立使用。Worker 当前通过 Dockerfile 隐式启动,缺少 instanceId、健康检查和优雅关闭。
目标
Worker 作为正式独立进程运行:
非目标
风险等级:P1
依赖:M-AI-01-03, M-AI-01-04
建议执行顺序:5
验收标准
开发完成评论
完成内容
worker.main.ts:正式独立 Worker 进程入口generateInstanceId():worker-{hostname}-{pid}-{timestamp}唯一标识validatePrerequisites():顺序校验 MySQL(SELECT 1)、Redis(get)、必需配置键(database.url/redis.host/jwt.secret),任一失败 exit(1)app.enableShutdownHooks()+ SIGTERM/SIGINT 处理:停止获取新任务,等待当前任务完成后app.close()start:worker脚本:node dist/worker.main修改文件
src/worker.main.ts(重写)package.json(新增 start:worker 脚本)代码证据
src/worker.main.ts:9-13:instanceId 生成worker-{hostname}-{pid}-{timestamp}src/worker.main.ts:22-29:MySQL 校验 —prisma.$queryRawSELECT 1``,失败 exit(1)src/worker.main.ts:32-38:Redis 校验 —redis.get(__worker_health_check__),失败 exit(1)src/worker.main.ts:41-52:配置键校验 — 缺失或 placeholder(change_me开头)→ exit(1)src/worker.main.ts:62:createApplicationContext(WorkerModule)— 不监听 HTTP 端口src/worker.main.ts:70-81:启动时输出队列配置src/worker.main.ts:88-101:SIGTERM/SIGINT →app.close()→ exit(0);异常 → exit(1)package.json:15:"start:worker": "node dist/worker.main"测试情况
npx tsc --noEmitnpx jest --no-coverage未完成 / 风险
是否建议进入 Review