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openssl req -newkey rsa:2048 -nodes -keyout tls.key -x509 -days 3650 -out tls.crt

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如果服务在多个ns,需要多个ns中创建secret
kubectl create secret generic dashboard-tls --from-file=tls.crt --from-file=tls.key -n kube-system

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#创建对应的 IngressRoute
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: traefik-dashboard
  namespace: traefik
spec:
  entryPoints:
  - websecure
  tls:
    secretName: dashboard-tls
  routes:
  - match: Host(`traefik.cluster.local`)  #匹配的域名
    kind: Rule
    services:
    - name: api@internal      #traefik内置服务
      kind: TraefikService
---
apiVersion: traefik.containo.us/v1alpha1
kind: ServersTransport
metadata:
  name: mytransport
  namespace: kubernetes-dashboard
spec:
  serverName: "dashboard.cluster.local"
  insecureSkipVerify: true
---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: dashboard-k8s
  namespace: kubernetes-dashboard
spec:
  entryPoints:
    - websecure
  routes:
    - match: "Host(`dashboard.cluster.local`)"
      kind: Rule
      services:
      - name: kubernetes-dashboard  #绑定的后端service
        port: 443
        serversTransport: mytransport
  tls:
    secretName: dashboard-tls
---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: prometheus-grafana
  namespace: monitoring
spec:
  entryPoints:
  - websecure
  tls:
    secretName: dashboard-tls
  routes:
  - match: Host(`grafana.cluster.local`)
    kind: Rule
    services:
    - name: prometheus-grafana
      port: 80
---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: hubble-ui
  namespace: kube-system
spec:
  entryPoints:
  - websecure
  tls:
    secretName: dashboard-tls
  routes:
  - match: Host(`hubble.cluster.local`)
    kind: Rule
    services:
    - name: hubble-ui
      port: 80

#应用
kubectl apply -f web.yaml

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10.*.*.131 traefik.cluster.local
10.*.*.131 grafana.cluster.local
10.*.*.131 dashboard.cluster.local
10.*.*.131 hubble.cluster.local