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This article mainly explains "how to achieve rancher+kubernetes load balancing". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's ideas to study and learn "how to achieve rancher+kubernetes load balancing".

First, pay attention (the biggest pit)

1. Starting from version 0.22.0, the definition of nginx.ingress.kubernetes.io/rewrite-target using annotated entries is not backward compatible with previous versions. In version 0.22.0 and later, any substrings that need to be passed to the override path in the request URI must be explicitly defined in the capture group.

2. The capture group is saved in a numbered placeholder, in chronological order, in the form of $1 minute 2. $n. These placeholders can be used as parameters in rewrite-target comments.

3. Official document link: https://kubernetes.github.io/ingress-nginx/examples/rewrite/

II. Configuration of kubernetes Ingress rules

Note: $2 and something (/ | $) (. *) in the configuration.

ApiVersion: networking.k8s.io/v1beta1kind: Ingressmetadata: annotations: nginx.ingress.kubernetes.io/rewrite-target: / $2 name: rewrite namespace: defaultspec: rules:-host: rewrite.bar.com http: paths:-backend: serviceName: http-svc servicePort: 80 path: / something (/ | $) (. *) 3. Rancher Ingress rule configuration

Access: http:/host/model01/, requests are sent to the web-server-01 workload

Access: http:/host/model02/, requests are sent to the web-server-02 workload

Access: http:/host/model03/, requests are sent to the web-server-03 workload

The configuration is as follows:

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