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Edu/infra/alertmanager/alertmanager.yml
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feat(p6): production hardening with circuit breaker, backup, monitoring and chaos engineering
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

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# Alertmanager 配置 - Edu 平台
# 全局配置
global:
resolve_timeout: 5m
# 告警模板(可扩展)
templates:
- /etc/alertmanager/templates/*.tmpl
# 路由树
route:
# 顶层默认接收器
receiver: webhook-default
# 按 alertname + service 分组
group_by: ['alertname', 'service']
# 首次告警等待时间(聚合相同组)
group_wait: 30s
# 同组新告警发送间隔
group_interval: 5m
# 重复告警发送间隔
repeat_interval: 4h
routes:
# critical 告警走 webhook
- matchers:
- severity="critical"
receiver: webhook-default
continue: false
# warning 告警走 webhook
- matchers:
- severity="warning"
receiver: webhook-default
continue: false
# 接收器列表
receivers:
# 默认 Webhook 接收器(指向内部告警路由服务)
- name: webhook-default
webhook_configs:
- url: http://alert-router:5001/alert
send_resolved: true
max_alerts: 0
# 邮件接收器(注释示例,留作扩展)
# 启用前需在 global.smtp_* 配置 SMTP 服务器
# - name: mail-ops
# email_configs:
# - to: ops-team@example.com
# from: alertmanager@example.com
# smarthost: smtp.example.com:587
# auth_username: alertmanager@example.com
# auth_password: <SMTP_PASSWORD>
# require_tls: true
# headers:
# Subject: '[Edu Alert] {{ .GroupLabels.alertname }}'
# 钉钉/企业微信接收器(注释示例,留作扩展)
# - name: dingtalk-ops
# webhook_configs:
# - url: http://dingtalk-webhook:8060/dingtalk/ops/send
# send_resolved: true
# 抑制规则critical 告警抑制同服务同名的 warning 告警
inhibit_rules:
- source_matchers:
- severity="critical"
target_matchers:
- severity="warning"
# 相同 alertname + service 才抑制
equal: ['alertname', 'service']