在ningx-ingress中内置提供一些annotation 在不手动手动改ingress-controller的情况下可以提供一些方便的操作。

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    kubectl.kubernetes.io/last-applied-configuration: ""
    nginx.ingress.kubernetes.io/proxy-body-size: 50m
    nginx.ingress.kubernetes.io/service-weight: 'show-admin: 100
    nginx.ingress.kubernetes.io/server-snippet: |
      set sub_domain "";
      if ( host ~* (.*)-admin.* ){
         set sub_domain saas1;
      }
    nginx.ingress.kubernetes.io/configuration-snippet: |
         more_set_input_headers "auth-com: saas$1";
  generation: 4
  name: test-ingress
  namespace: default
spec:
  rules:
  - host: test.domain.com
    http:
      paths:
      - backend:
          serviceName: test-api
          servicePort: 80
        path: /
status:
  loadBalancer: {}
  • more_set_headers 用于添加、修改、清除响应头
  • more_clear_headers 用于清除响应头
  • more_set_input_headers 用于添加、修改、清除请求头
  • more_clear_input_headers 用于清除请求头