ingress-nginx配置使用自定义变量

apiVersion: v1
kind: ConfigMap
metadata:
  name: custom-variables
data:
  MY_CUSTOM_VARIABLE: "my-custom-value"

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: my-ingress
spec:
  rules:
    - host: example.com
      http:
        paths:
          - path: /foo
            pathType: Prefix
            backend:
              service:
                name: my-service
                port:
                  number: 80
        nginx.ingress.kubernetes.io/configuration-snippet: |
          set $my_custom_variable $custom_variable_name;

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: my-ingress
spec:
  rules:
    - host: example.com
      http:
        paths:
          - path: /foo
            pathType: Prefix
            backend:
              service:
                name: my-service
                port:
                  number: 80
        nginx.ingress.kubernetes.io/configuration-snippet: |
          set $my_custom_variable $custom_variable_name;
        nginx.ingress.kubernetes.io/server-snippet: |
          location / {
            if ($my_custom_variable = "my-custom-value") {
              # 处理逻辑
            }
          }