Commit Graph

4 Commits

Author SHA1 Message Date
SpecialX
566060fade feat(infra): p6 hardening - observability and deploy compose
- 5 NestJS services add /metrics endpoint via app.getHttpAdapter()
- prometheus.yml scales to 8 services with rule_files and alertmanager
- monitoring compose replaces blackbox with Loki+Promtail
- Grafana datasource adds Loki
- docker-compose.deploy.yml scales to 11 services
- deploy.env.example completes Neo4j/ES/ClickHouse/LLM vars
- teacher-bff adds health.controller
- CI removes continue-on-error on lint step
- teacher-portal lint script changed to eslint src
2026-07-09 10:21:06 +08:00
SpecialX
4533da6484 feat(core-edu): 修复服务启动并打通考试作业成绩端到端链路
database.ts 导出 db 常量替代 getDb()
env.ts JWT_SECRET 改 optional 并新增 DEV_MODE
kafka.ts connectKafka 加 try/catch 不阻塞启动
main.ts 去全局前缀 connectKafka 改非阻塞
app.module 移除未用模块加 HealthModule
controller 路由去前缀去 UseGuards 从 x-user-id 读身份
service datetime ISO 字符串转 Date 修复 drizzle 错误
修正相对 import 路径
health/lifecycle 改用 Drizzle 原生查询
新增 core-edu-init.sql 初始化 4 张表

端到端验证: exams/homework/grades 全部 201/200
Outbox 事件正确写入 core_edu_outbox 表
2026-07-09 08:02:22 +08:00
SpecialX
e9ea34fe53 feat(p6): production hardening with circuit breaker, backup, monitoring and chaos engineering
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P6 生产硬化阶段交付物(46 文件):

## 1. API Gateway 中间件链(services/api-gateway/internal/middleware/)
- circuit-breaker.go: gobreaker v2 熔断器(5s 窗口/50% 错误率/30s OPEN→HALF_OPEN)
- ratelimit.go: 令牌桶限流(sync.Map + cleanup goroutine,默认 100rps/20 burst)
- cors.go: CORS 中间件(CORS_ORIGINS 环境变量)
- recovery.go: panic 恢复 + uuid request_id
- security.go: 安全头 + 请求体 10MB 限制
- requestid.go: 请求 ID 注入
- health/health.go: /healthz + /readyz 健康检查
- main.go: 重写注册全部中间件链(Recovery→RequestID→CORS→Security→BodyLimit→RateLimit→CircuitBreaker→Auth)

## 2. 基础设施硬化(infra/)
- backup/backup-mysql.sh: MySQL 全量备份(mysqldump+gzip,按服务独立)
- backup/restore-mysql.sh: 恢复脚本
- backup/backup-cron.sh: cron 调度入口(5 服务批量备份)
- alertmanager/alertmanager.yml: 告警路由(webhook + 邮件示例)
- prometheus/rules.yml: 8 条告警规则(服务可用性/性能/资源 3 组)
- grafana/dashboards/microservices-overview.json: 4 panel 仪表盘
- grafana/provisioning/: 数据源和仪表盘 provisioning
- k8s/namespace.yaml: 4 命名空间(edu-system/services/monitoring/ingress)
- k8s/api-gateway-deployment.yaml: Deployment + Service 骨架
- chaos/experiments.yaml: 3 个 Litmus 混沌实验(pod-kill/network-latency/disk-fill)
- docker-compose.monitoring.yml: 监控栈 profile
- security/secrets.example.env: 8 项密钥占位符
- security/waf-rules.conf: ModSecurity WAF 规则骨架

## 3. 业务服务健康检查 + 优雅停机(5 个 NestJS 服务)
- services/{iam,core-edu,content,msg,classes}/src/shared/health/: /healthz + /readyz
- services/{iam,core-edu,content,msg,classes}/src/shared/lifecycle/: OnModuleInit + OnApplicationShutdown

## 4. Python 服务健康检查
- services/{ai,data-ana}/src/health/health.py: FastAPI APIRouter

## 5. 运维文档
- docs/architecture/runbooks/p6-hardening.md: P6 总览 Runbook(9 章节)
- docs/architecture/runbooks/incident-response.md: 事件响应手册(5 章节)
- docs/architecture/004-p6-addendum.md: 004 架构补记 P6 章节
- docs/troubleshooting/known-issues-p6-addendum.md: 15 条 P6 场景→技术映射

## 验收信号
- RPO ≤ 15min(MySQL 备份 + binlog PITR)
- RTO ≤ 30min(K8s 滚动更新 + DNS 切换)
- P99 ≤ 500ms(熔断 + 限流 + 缓存)
- 熔断器错误率 > 50% 触发 OPEN
- 限流 100rps/20 burst
- 备份保留 7 天
- 混沌实验每月 1 次
2026-07-08 02:16:58 +08:00
SpecialX
23246ade6d feat(p3): core teaching service with Outbox + Kafka event bus
P3 阶段交付物:
- services/core-edu: 教学核心服务(DDD 限界上下文:exams/grades/homework/classes)
  - exams: 考试 CRUD + 事务内写 exam + outbox
  - grades: 成绩 CRUD
  - homework: 作业 CRUD
  - classes.module: 复用 P1 classes 模块(聚合到 core-edu 服务)
- Outbox 模式实现:
  - outbox.schema.ts: core_edu_outbox 表(id/aggregate_id/event_type/payload/status/retry_count)
  - outbox.repository.ts: 支持事务参数 tx,确保业务+事件原子性
  - outbox.publisher.ts: Kafka idempotent producer + transactionalId,TOPIC_MAP 路由 9 种事件,MAX_RETRY=5
- config/kafka.ts: idempotent producer + transactionalId 配置
- main.ts: 启动顺序 initTracer → connectKafka → outboxPublisher.start → app.listen
- packages/shared-proto/proto/core_edu.proto: ExamService/HomeworkService/GradeService 契约
- packages/shared-proto/proto/events.proto: ClassEvent/ExamEvent/HomeworkEvent/GradeEvent 领域事件契约
2026-07-08 01:38:07 +08:00