1
@startuml architecture
2
' 设置样式，使其看起来更像现代架构图
3
skinparam componentStyle rectangle
4
skinparam monochrome false
5
skinparam defaultFontName "Microsoft YaHei"
6
skinparam shadowing false
7
skinparam linetype ortho
8

9
title ATRI后端系统架构全景图 (K8s Native 版)
10

11
' --- 1. 入口层 ---
12
package "入口层" as EntryLayer {
13
    component "NapCat\n(机器人入口)" as NapCat
14
    component "QQ 官方\n(机器人入口)" as QQOfficial
15
    component "React\n(网页入口)" as React
16
}
17
component "APISIX\n(API Gateway)" as APISIX
18

19
' --- 2. 负载均衡 ---
20
component "云厂商 SLB\n(Load Balancer)" as SLB
21

22
' --- 3. 容器集群 TKE (K8s) ---
23
node "容器集群 TKE (K8s)\n<color:red>HPA / VPA 自动扩缩容</color>" as TKE {
24

25
    ' 内部微服务组
26
    package "FastAPI 微服务组\n(Deployment + Service)" as MicroServices {
27
        component "用户模块" as UserSvc
28
        component "权限模块" as AuthSvc
29
        component "日志模块" as LogSvc
30
        component "教务信息模块" as EduSvc
31
        component "爬虫微服务" as CrawlerSvc
32
        component "机器人微服务" as BotSvc
33
        component "大模型微服务" as LLMsvc
34
    }
35

36
    ' 配置管理 (原生替代 Nacos Config)
37
    package "K8s 配置中心" as K8sConfig {
38
        component "ConfigMap\n<应用配置>" as ConfigMap
39
        component "Secret\n<敏感密钥>" as Secret
40
    }
41

42
    ' 服务网格 (原生替代 Nacos Discovery)
43
    component "Istio Sidecar\n<mTLS, 流量治理, 熔断>" as Sidecar
44
    component "Istio Control Plane\n<服务发现 & 路由规则>" as IstioCP
45
}
46

47
' --- 4. 消息中间件 ---
48
package "消息中间件" as MQ {
49
    component "Kafka\n(Schema Registry)" as Kafka
50
}
51

52
' --- 5. 数据存储层 ---
53
package "数据存储层" as DataLayer {
54
    database "PostgreSQL (RDS)\n<主业务数据>" as PG
55
    database "Redis (DTS)\n<缓存 & 会话>" as Redis
56
    database "MongoDB (DDS)\n<非结构化数据>" as Mongo
57
    database "Elasticsearch\n<日志检索>" as ES
58
    database "ClickHouse\n<实时分析>" as CH
59
}
60

61
' --- 6. 可观测性体系 ---
62
package "可观测性体系" as Observability {
63
    component "TLS / Loki\n<日志收集>" as LogSys
64
    component "Prometheus + Grafana\n<指标监控>" as Promo
65
    component "SkyWalking / Jaeger\n<分布式追踪>" as Trace
66
    component "Sentry\n<错误 & 性能>" as Sentry
67
    component "告警中心\n(钉钉/企微/邮件)" as Alert
68
}
69

70
' --- 7. 安全与网络 ---
71
package "安全与网络" as Security {
72
    component "WAF + DDoS" as WAF
73
    component "Cloud Secrets Manager\n<云厂商密钥托管>" as CloudSecrets
74
}
75

76
' --- 8. CI/CD & GitOps ---
77
package "CI/CD & GitOps" as CICD {
78
    component "Gitea Actions\n<构建镜像>" as Build
79
    component "Git Repository\n<配置即代码 (Helm/Kustomize)>" as GitRepo
80
    component "ArgoCD / Flux\n<自动同步集群状态>" as GitOps
81
}
82

83
' ================= 关系连接 =================
84

85
' 流量主线
86
NapCat --> APISIX
87
QQOfficial --> APISIX
88
React --> APISIX
89
APISIX --> WAF : 流量清洗
90
WAF --> SLB
91
SLB --> TKE :  ingress
92

93
' TKE 内部逻辑
94
MicroServices ..> Sidecar : 所有流量经过 Sidecar
95
Sidecar ..> Kafka : 消息收发
96
Sidecar ..> MicroServices : 内部服务调用 (Service Name)
97
IstioCP ..> Sidecar : 下发路由/策略
98

99
' 配置管理 (替代 Nacos)
100
MicroServices ..> ConfigMap : 挂载/读取配置
101
MicroServices ..> Secret : 挂载敏感信息
102
CloudSecrets ..> Secret : 同步外部密钥
103
GitOps --> ConfigMap : 自动同步配置变更
104
GitOps --> MicroServices : 部署新版本
105

106
' 数据流向
107
Kafka --> DataLayer
108
MicroServices ..> DataLayer : 读写数据
109

110
' 可观测性
111
TKE ..> LogSys : 日志上报
112
TKE ..> Promo : 指标抓取
113
MicroServices ..> Trace : 链路埋点
114
MicroServices ..> Sentry : 错误上报
115
Alert <-- Promo
116
Alert <-- Trace
117
Alert <-- LogSys
118
Alert <-- Sentry
119

120
' CI/CD 流程
121
Build --> GitRepo : 推送镜像 Tag
122
GitRepo --> GitOps : 触发同步
123
GitOps --> TKE : 应用变更 (Deployment/ConfigMap)
124

125
hide empty members
126
@enduml