[Release-1.28] - K3s docker image is missing user info for root

[brandond]

Backport fix for K3s docker image is missing user info for root

• K3s docker image is missing user info for root #9789

[fmoral2]

Validated on Version:

-$  k3s version v1.28.8+k3s-feb211d3 (feb211d3)

Environment Details

Infrastructure
Cloud EC2 instance

Node(s) CPU architecture, OS, and Version:
SUSE Linux Enterprise Server 15 SP4

Cluster Configuration:

• 1 server

Steps to validate the fix

1. run k3s on docker and exec into it
2. Validate user infos

Reproduction Issue:

/k3s$ sudo docker exec -it k3s-server sh
/ # id
uid=0 gid=0 groups=0
/ # k3s -v
k3s version v1.28.8+k3s1 (653dd61a)
go version go1.21.8
/ # whoami
whoami: cannot find name for user ID 0: No such file or directory

 

Validation Results:

 

 ~ # whoami
root
 
~ # cat /etc/passwd /etc/group
root:x:0:0:root:/:/bin/sh
root:x:0:

~ # groups
root