访问由 nginx-ingress 处理的 webapp 的子域

Question

我有两个服务运行:

$kubectl get services
NAME         TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)          AGE
kubernetes   ClusterIP   10.96.0.1      <none>        443/TCP          49m
shiny        NodePort    10.110.49.57   <none>        3838:30240/TCP   34m
web          NodePort    10.98.56.71    <none>        80:31758/TCP     39m

以及以下入口：

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: test-ingress
  annotations:
    kubernetes.io/ingress.class: nginx
    nginx.ingress.kubernetes.io/rewrite-target: / 
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
spec:
  rules:
  - http:
      paths:
      - path: /*
        backend:
          serviceName: web
          servicePort: 80
      - path: /shiny/*
        backend:
          serviceName: shiny
          servicePort: 3838

如果我直接通过 minikube service shiny:

访问它，我会从 shiny 获得我想要的行为

应用入口后，子域停止工作：

为什么会这样？我想访问 shiny 中的内容，从 web 到 url。例如。 <iframe src=.../shiny/test1></iframe>.

Answer 1

Nginx 使用正则表达式匹配您的 paths/locations 请求。尝试更改：

/shiny/* to /shiny/.*

Answer 2

以下 yaml 调整解决了问题：

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: test-ingress
  annotations:
    kubernetes.io/ingress.class: nginx
    nginx.ingress.kubernetes.io/rewrite-target: /
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
spec:
  rules:
  - http:
      paths:
      - path: /*
        backend:
          serviceName: web
          servicePort: 80
      - path: /shiny(/|$)(.*)
        backend:
          serviceName: shiny
          servicePort: 3838

来源：https://kubernetes.github.io/ingress-nginx/examples/rewrite/

编辑：

以上导致了更多的麻烦。最后，我使用了以下入口配置：

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: test-ingress
  annotations:
    kubernetes.io/ingress.class: nginx
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
    nginx.ingress.kubernetes.io/configuration-snippet: |
      rewrite / break;
      rewrite /shiny/(.*) / break;
spec:
  rules:
    - http:
        paths:
          - path: /
            backend:
              serviceName: web
              servicePort: 80
          - path: /shiny
            backend:
              serviceName: shiny
              servicePort: 3838

访问由 nginx-ingress 处理的 webapp 的子域

Accessing subdomains of webapp handled by nginx-ingress

kubernetes

shiny

nginx-ingress