如何解决错误:getaddrinfo ENOTFOUND ingress-nginx.ingress-nginx-controller.svc.cluster.local
我正在使用NextJS,因此我需要了解它何时在服务器或浏览器上发出请求。要在服务器端执行此操作,因为我是在微服务体系结构中构建的,因此需要获取服务名称和服务名称空间以完成网址,例如http://SERVICENAME.NAMESPACE.svc.cluster.local
。
所以在终端中,我打印出了所有不同的名称空间,如下所示:
$kubectl get namespace
NAME STATUS AGE
default Active 9d
ingress-nginx Active 9d
kube-node-lease Active 9d
kube-public Active 9d
kube-system Active 9d
所以ingress-nginx
是我想要的。然后我跑了:
$kubectl get services -n ingress-nginx
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
ingress-nginx-controller LoadBalancer 10.100.129.149 localhost 80:30463/TCP,443:31399/TCP 9d
ingress-nginx-controller-admission ClusterIP 10.111.40.184 <none> 443/TCP 9d
据我所知ingress-nginx-controller
是我服务的名称。
所以我向http://ingress-nginx.ingress-nginx-controller.svc.cluster.local/api/users/currentuser
发出了请求,但是我还必须像这样指定主机:
LandingPage.getInitialProps = async () => {
if (typeof window === "undefined") {
const { data } = await axios.get(
"http://ingress-nginx.ingress-nginx-controller.svc.cluster.local/api/users/currentuser",{
headers: {
Host: "ticketing.dev",},}
);
return data;
} else {
const { data } = await axios.get("/api/users/currentuser");
return data;
}
};
但是当我发出请求时,仍然可以在浏览器上打印出来:
我拉了kubectl
日志,一切都变成了200
:
192.168.65.3 - - [06/Nov/2020:01:30:15 +0000] "GET /_next/static/chunks/pages/_app.js?ts=1604626215582 HTTP/2.0" 200 600778 "https://ticketing.dev/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML,like Gecko) Chrome/86.0.4240.111 Safari/537.36" 51 0.131 [default-client-srv-3000] [] 10.1.0.244:3000 601240 0.132 200 406761022b9aad1a8cd45b9574f3082c
192.168.65.3 - - [06/Nov/2020:01:30:15 +0000] "GET /_next/static/chunks/main.js?ts=1604626215582 HTTP/2.0" 200 1141017 "https://ticketing.dev/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML,like Gecko) Chrome/86.0.4240.111 Safari/537.36" 46 0.259 [default-client-srv-3000] [] 10.1.0.244:3000 1141886 0.258 200 da2d882e400bebe57a8ce403acd55c8b
192.168.65.3 - - [06/Nov/2020:01:30:16 +0000] "GET /_next/static/chunks/0.js HTTP/2.0" 200 1578 "https://ticketing.dev/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML,like Gecko) Chrome/86.0.4240.111 Safari/537.36" 32 0.003 [default-client-srv-3000] [] 10.1.0.244:3000 1595 0.003 200 264ab274cf006691d92b1f03f05ffbca
192.168.65.3 - - [06/Nov/2020:01:30:27 +0000] "GET /_next/webpack-hmr?page=/ HTTP/2.0" 200 1499 "https://ticketing.dev/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML,like Gecko) Chrome/86.0.4240.111 Safari/537.36" 34 11.495 [default-client-srv-3000] [] 10.1.0.244:3000 1543 11.495 200 99420f1d80b74b84c0cb42ead9981d43
我想念什么?我认为问题不在ingress-srv.yml
文件中:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: ingress-service
annotations:
kubernetes.io/ingress.class: nginx
nginx.ingress.kubernetes.io/use-regex: "true"
spec:
rules:
- host: ticketing.dev
http:
paths:
- path: /api/users/?(.*)
backend:
serviceName: auth-srv
servicePort: 3000
- path: /?(.*)
backend:
serviceName: client-srv
servicePort: 3000
解决方法
基于访问服务的URL:
http://SERVICENAME.NAMESPACE.svc.cluster.local
应该是
http://ingress-nginx-controller.ingress-nginx.svc.cluster.local
,
使用 minikube 有时不会暴露 nginx 控制器。
$ kubectl expose deployment ingress-nginx-controller --target-port=80 --type=NodePort -n kube-system
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