您好,请问一下进入pod报错.

来源：10-4 k8s调度的最小单位pod(下)

Alan_Z

2020-05-09

[root@node1 ~]# kubectl get pods
NAME READY STATUS RESTARTS AGE
nginx-busybox 2/2 Running 0 17m
[root@node1 ~]# kubectl exec nginx-busybox -c busybox /bin/sh
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl kubectl exec [POD] – [COMMAND] instead.
error: unable to upgrade connection: pod does not exist
[root@node1 ~]#

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3回答

麦兜搞IT

2020-06-08

➜  pod git:(master) ✗ kubectl get pod
NAME            READY   STATUS    RESTARTS   AGE
nginx-busybox   2/2     Running   0          3m32s
➜  pod git:(master) ✗ kubectl exec -it nginx-busybox -c nginx bin/sh
#
#
# exit
➜  pod git:(master) ✗
➜  pod git:(master) ✗
➜  pod git:(master) ✗ kubectl exec -it nginx-busybox -c busybox bin/sh
/ #
/ #
/ # ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
12: eth0@if13: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue
    link/ether 02:42:ac:11:00:05 brd ff:ff:ff:ff:ff:ff
    inet 172.17.0.5/16 brd 172.17.255.255 scope global eth0
       valid_lft forever preferred_lft forever
/ #

-c 可以指定到底进入那个container

Alan_Z

提问者

2020-05-11

[root@node1 ~]# kubectl version

Client Version: version.Info{Major:"1", Minor:"18", GitVersion:"v1.18.2", GitCommit:"52c56ce7a8272c798dbc29846288d7cd9fbae032", GitTreeState:"clean", BuildDate:"2020-04-16T11:56:40Z", GoVersion:"go1.13.9", Compiler:"gc", Platform:"linux/amd64"}

[root@node1 ~]# kubectl version

Server Version: version.Info{Major:"1", Minor:"18", GitVersion:"v1.18.2", GitCommit:"52c56ce7a8272c798dbc29846288d7cd9fbae032", GitTreeState:"clean", BuildDate:"2020-04-16T11:48:36Z", GoVersion:"go1.13.9", Compiler:"gc", Platform:"linux/amd64"}

[root@node1 ~]# kubectl get pods

NAME READY STATUS RESTARTS AGE

nginx 1/1 Running 1 42h

nginx-busybox 2/2 Running 0 8m9s

[root@node1 ~]# kubectl exec -it nginx-busybox bin/sh

kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl kubectl exec [POD] -- [COMMAND] instead.

Defaulting container name to nginx.

Use 'kubectl describe pod/nginx-busybox -n default' to see all of the containers in this pod.

error: unable to upgrade connection: pod does not exist