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需求如下:
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這兩個(gè)在不同的命名空間,所以需要在saas-jcpt-tomcat-online下創(chuàng)建一個(gè)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: {}
注意一個(gè)小坑:
如下需求:
域名 service
www.abc.com/aaa/ saas-jcpt-saas-uc-authorize-core-tomcat-online/bbb/
我們習(xí)慣的寫(xiě)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: {}
這個(gè)時(shí)候我們?cè)L問(wèn)http://www.abc.com/aaa/xxx,我們發(fā)會(huì)現(xiàn)404,容器上抓包發(fā)現(xiàn)實(shí)際調(diào)用的URL為:saas-jcpt-saas-uc-authorize-core-tomcat-online/bbbxxx,中間的/沒(méi)有了。
同時(shí)把path及traefik.ingress.kubernetes.io/rewrite-target最后的/去掉,問(wèn)題可解決:
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: {}
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