需求如下:
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域名 service
www.baidu.com/authorize saas-jcpt-saas-uc-authorize-core-tomcat-online
分析:
1.要到ingress，所以前面不能去掉authorize
2.需要在ingress上配置rewrite
配置
www.baidu.com和saas-jcpt-saas-uc-authorize-core-tomcat-online这两个在不同的命名空间，所以需要在saas-jcpt-tomcat-online下创建一个新的ingress，配置如下:
apiVersion: extensions/v1beta1 kind: Ingress metadata: name: public-fe-n-saas-uc-node-online-ingress namespace: saas-jcpt-tomcat-online annotations: traefik.ingress.kubernetes.io/rewrite-target: / spec: rules: - host: www.baidu.com http: paths: - backend: serviceName: saas-jcpt-saas-uc-authorize-core-tomcat-online servicePort: 8080 path: /authorize status: loadBalancer: {}
注意一个小坑：
如下需求：
域名 service
www.abc.com/aaa/ saas-jcpt-saas-uc-authorize-core-tomcat-online/bbb/
我们习惯的写法可能如下：
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: public-fe-n-saas-uc-node-online-ingress
namespace: saas-jcpt-tomcat-online
annotations:
traefik.ingress.kubernetes.io/rewrite-target: /bbb/
spec:
rules:
- host: www.abc.com
http:
paths:
- backend:
serviceName: saas-jcpt-saas-uc-authorize-core-tomcat-online
servicePort: 8080
path: /aaa/
status:
loadBalancer: {}这个时候我们访问http://www.abc.com/aaa/xxx，我们发会现404，容器上抓包发现实际调用的URL为：saas-jcpt-saas-uc-authorize-core-tomcat-online/bbbxxx，中间的/没有了。
同时把path及traefik.ingress.kubernetes.io/rewrite-target最后的/去掉，问题可解决：
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: public-fe-n-saas-uc-node-online-ingress
namespace: saas-jcpt-tomcat-online
annotations:
traefik.ingress.kubernetes.io/rewrite-target: /bbb
spec:
rules:
- host: www.abc.com
http:
paths:
- backend:
serviceName: saas-jcpt-saas-uc-authorize-core-tomcat-online
servicePort: 8080
path: /aaa
status:
loadBalancer: {}
