---
# Traefik 完整部署配置
# kubectl create namespace traefik
# 包含 RBAC、Deployment、Service、IngressClass 和 Let's Encrypt SSL
# tags: traefik, ingress, ssl, https, let's encrypt, acme, kubernetes, master-node
# description: Traefik 反向代理完整配置,部署在 master 节点,包含自动 SSL 证书支持(Let's Encrypt)
# title: Traefik 完整部署配置 - 含 SSL 证书(Master 节点部署)
# createdAt: 2025-11-26
---
# PersistentVolume 用于存储 ACME 证书数据
apiVersion: v1
kind: PersistentVolume
metadata:
  name: traefik-acme-pv
spec:
  capacity:
    storage: 1Gi
  accessModes:
    - ReadWriteOnce
  hostPath:
    path: /data/traefik-acme
  storageClassName: local-storage
---
# PersistentVolumeClaim 用于申请证书存储空间
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: traefik-acme-pvc
  namespace: traefik
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi
  storageClassName: local-storage
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: traefik
  namespace: traefik
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: traefik-ingress-controller
rules:
  - apiGroups:
      - ""
    resources:
      - services
      - endpoints
      - secrets
      - nodes
      - configmaps
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - discovery.k8s.io
    resources:
      - endpointslices
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - extensions
      - networking.k8s.io
    resources:
      - ingresses
      - ingressclasses
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - extensions
      - networking.k8s.io
    resources:
      - ingresses/status
    verbs:
      - update
  - apiGroups:
      - traefik.containo.us
      - traefik.io
    resources:
      - ingressroutes
      - ingressroutetcps
      - ingressrouteudps
      - middlewares
      - middlewaretcps
      - tlsoptions
      - tlsstores
      - traefikservices
      - serverstransports
      - serverstransporttcps
    verbs:
      - get
      - list
      - watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: traefik-ingress-controller
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: traefik-ingress-controller
subjects:
  - kind: ServiceAccount
    name: traefik
    namespace: traefik
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: traefik
  namespace: traefik
  labels:
    app: traefik
spec:
  replicas: 1
  selector:
    matchLabels:
      app: traefik
  template:
    metadata:
      labels:
        app: traefik
    spec:
      serviceAccountName: traefik
      nodeSelector:
        kubernetes.io/hostname: kevisual  # 节点主机名是 kevisual
      containers:
      - name: traefik
        image: traefik:latest
        args:
          - --api.insecure=true
          - --providers.kubernetescrd
          - --entrypoints.web.address=:80
          - --entrypoints.websecure.address=:443
          # Let's Encrypt 配置
          - --certificatesresolvers.letsencrypt.acme.email=root@kevisual.cn
          - --certificatesresolvers.letsencrypt.acme.storage=/acme/acme.json
          - --certificatesresolvers.letsencrypt.acme.httpchallenge=true
          - --certificatesresolvers.letsencrypt.acme.httpchallenge.entrypoint=web
          # 使用 Let's Encrypt 生产环境(如果测试,使用 caserver)
          # - --certificatesresolvers.letsencrypt.acme.caserver=https://acme-staging-v02.api.letsencrypt.org/directory
          - --log.level=DEBUG
        ports:
        - name: web
          containerPort: 80
        - name: websecure
          containerPort: 443
        - name: admin
          containerPort: 8080
        volumeMounts:
        - name: acme-storage
          mountPath: /acme
      volumes:
      - name: acme-storage
        persistentVolumeClaim:
          claimName: traefik-acme-pvc
---
apiVersion: v1
kind: Service
metadata:
  name: traefik
  namespace: traefik
spec:
  type: NodePort
  selector:
    app: traefik
  ports:
  - name: web
    port: 80
    targetPort: 80
    nodePort: 30080  # 外部通过 30080 访问 HTTP
    # nodePort: 80 
  - name: websecure
    port: 443
    targetPort: 443
    nodePort: 30443  # 外部通过 30443 访问 HTTPS
    # nodePort: 443  
  - name: admin
    port: 8080
    targetPort: 8080
    nodePort: 30808  # Dashboard
---
apiVersion: networking.k8s.io/v1
kind: IngressClass
metadata:
  name: traefik
spec:
  controller: traefik.io/ingress-controller
---
# Traefik Dashboard IngressRoute - HTTPS only
apiVersion: traefik.io/v1alpha1
kind: IngressRoute
metadata:
  name: traefik-dashboard
  namespace: traefik
spec:
  entryPoints:
    - websecure
  routes:
    - match: Host(`traefik.kevisual.cn`)
      kind: Rule
      services:
        - name: api@internal
          kind: TraefikService
  tls:
    certResolver: letsencrypt