ingress-nginx 能不能从 path 动态选择 servicename - V2EX
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huangmingyou
V2EX    Kubernetes

ingress-nginx 能不能从 path 动态选择 servicename

  •  
  •   huangmingyou 2021-04-08 11:22:07 +08:00 2089 次点击
    这是一个创建于 1714 天前的主题,中的信息可能已经有所发展或是发生改变。
    假设 1000 个服务都是固定的 ingress 规则,当然可以写脚步复制 1000 个 rule 配置。但是能不能,通过 path 参数自动替换成 servicename .
    例如 /srv1/path1 路由到 /srv1 服务。
    7 条回复    2021-04-09 09:28:29 +08:00
    Judoon
        1
    Judoon  
       2021-04-08 11:47:27 +08:00
    ingress 不是本来就能根据 path 转发到不同的 service 吗?这是基本功能啊?

    或者说,我没理解你的意思?
    huangmingyou
        2
    huangmingyou  
    OP
       2021-04-08 11:50:54 +08:00
    servicename 不写死。 根据 path 自动匹配。
    doublleft
        3
    doublleft  
       2021-04-08 12:30:38 +08:00
    这样搞 鉴权 session cookie 流控之类的实现太麻烦,我单独做一个 nodejs(fastify)服务当作网关 转发流量,好控制一些。有什么需求也好实现
    ElmerZhang
        4
    ElmerZhang  
       2021-04-08 12:40:57 +08:00
    自己写一段 nginx 配置,然后用 annotation `nginx.ingress.kubernetes.io/server-snippet ` 设置上去。
    配置可以参考 https://stackoverflow.com/questions/5743609/dynamic-proxy-pass-to-var-with-nginx-1-0
    huangmingyou
        5
    huangmingyou  
    OP
       2021-04-08 15:12:06 +08:00
    @ElmerZhang k8s 社区那个 ingress-nginx 跑通了,nginx 社区那个 nginx-ingress 还不行
    huangmingyou
        6
    huangmingyou  
    OP
       2021-04-08 15:12:37 +08:00
    nginx.ingress.kubernetes.io/server-snippet: |
    location /health {
    rewrite /health/(.*) /actuator/health break;
    proxy_pass http://default-$1;
    }
    huangmingyou
        7
    huangmingyou  
    OP
       2021-04-09 09:28:29 +08:00
    ---
    # nginx-ingress 这样配置可以了
    apiVersion: networking.k8s.io/v1beta1
    kind: Ingress
    metadata:
    name: mytest
    namespace: env-pro
    annotations:
    nginx.ingress.kubernetes.io/server-snippet: |
    location /hinfo4 {
    rewrite /hinfo4/(.*)/(.*) /actuator/$2 break;
    proxy_pass http://$1.env-pro.svc.cluster.local:8080;
    }
    spec:
    rules:
    - host: hinfo4.example.cn
    http:
    paths:
    - path: /myservice
    backend:
    serviceName: myservice
    servicePort: 8080
    ~
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