rancher 패스워드 초기화 방법

1. rancher pod 정보 확인
   

   $> kubectl get pod -A | grep rancher
   cattle-system                  rancher-c56764479-nt7nb                             1/1     Running   3 (3d2h ago)    45d
   

2. rancher pod가 어느노드에서 떴는지 확인
   

   $> kubectl describe pod rancher-c56764479-nt7nb -n cattle-system
   Name:                 rancher-c56764479-nt7nb
   Namespace:            cattle-system
   Priority:             1000000000
   Priority Class Name:  rancher-critical
   Node:                 test2/192.168.0.25
   Start Time:           Thu, 21 Sep 2023 00:51:03 +0900
   Labels:               app=rancher
                         pod-template-hash=c56764479
                         release=rancher
   Annotations:          cni.projectcalico.org/containerID: f44aa8d23b68a7376bc29e0bc66605670dc5a87daa9c668bd4f241aa4b63b492
                         cni.projectcalico.org/podIP: 10.233.64.107/32
                         cni.projectcalico.org/podIPs: 10.233.64.107/32
   Status:               Running
   IP:                   10.233.64.107
   IPs:
     IP:           10.233.64.107
   Controlled By:  ReplicaSet/rancher-c56764479
   

3. rancher 컨테이너 정보 확인 (test2노드에서 실행)
   

   $> crictl ps | grep rancher
   a68dc79ee1d8c       81ee0878ffcdc       26 minutes ago      Running             rancher                              3                   f44aa8d23b68a       rancher-c56764479-nt7nb
   

4. rancher 컨테이너로 패스워드 초기화 (test2노드에서 실행)
   

   $> crictl exec a68dc79ee1d8c reset-password
   W1104 17:53:31.241158     386 client_config.go:617] Neither --kubeconfig nor --master was specified.  Using the inClusterConfig.  This might not work.
   New password for default admin user (user-q2kl4):
   123123

reference

• http://igoni.kr/books/linux/page/rancher

rancher 패스워드 초기화 방법 | igoni.kr