[k8s] curl 오류

kubernetes/trouble shooting

[k8s] curl 오류

bbiyak2da 2025. 1. 8. 15:15

curl 오류

동일 Node 내 A Pod에서 B Pod에서 Curl 명령시, 조회가 되지 않았다.

이유는 다양해보이지만 일단 Selinux를 disabled 하니까 해결되긴 되었다,,

해결 방법

apt install selinux-utils
setenforce 0

결과

root@master:~# kubectl get pods -o wide
NAME                        READY   STATUS    RESTARTS   AGE    IP                NODE    NOMINATED NODE   READINESS GATES
my-nginx-587f57b444-ffpxq   1/1     Running   0          100m   192.168.166.132   node1   <none>           <none>
my-nginx-587f57b444-glhq7   1/1     Running   0          100m   192.168.104.4     node2   <none>           <none>
testpod                     1/1     Running   0          19m    192.168.104.5     node2   <none>           <none>

root@master:~# kubectl exec -it testpod /bin/bash
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.

root@testpod:/# curl 192.168.104.4
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
    body {
        width: 35em;
        margin: 0 auto;
        font-family: Tahoma, Verdana, Arial, sans-serif;
    }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>

<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>

<p><em>Thank you for using nginx.</em></p>
</body>
</html>