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我想在 Ingress k8s 对象中使用 Kong 的 Capturing Group 来执行 uri 重写。我想实现以下逻辑: https://kong_host:30000/service/audits/health -> (rewrite) https://kong_host:30000/service/audit/v1/health

入口资源:

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: audits
  annotations:
    konghq.com/plugins: audits-rewrite
spec:
  rules:
  - http:
      paths:
      - path: /service/audits/(?<path>\\\S+)
        backend:
          serviceName: audits
          servicePort: 8080

Kong插件

apiVersion: configuration.konghq.com/v1
kind: KongPlugin
metadata:
  name: audits-rewrite
config: 
  replace:
    uri: /service/audit/v1/$(uri_captures["path"])
plugin: request-transformer

谢谢。

4

1 回答 1

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正如文档中所指出的,您无法使用v1beat1入口 API 版本来捕获路径中的组。

https://docs.konghq.com/hub/kong-inc/request-transformer/#examples

您需要将k8s集群升级到1.19或更高版本才能使用此功能。

我也有类似的问题,并通过以下配置解决:

入口资源:

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: audits
  annotations:
    konghq.com/plugins: audits-rewrite
spec:
  rules:
  - http:
      paths:
      - path: /service/audits/(.*)
        backend:
          serviceName: audits
          servicePort: 8080

Kong插件

apiVersion: configuration.konghq.com/v1
kind: KongPlugin
metadata:
  name: audits-rewrite
config: 
  replace:
    uri: /service/audit/v1/$(uri_captures[1])
plugin: request-transformer
于 2021-03-23T09:30:11.010 回答