[Release-1.27] - The server flag should be skipped or present an error during a cluster-reset

[vitorsavian]

Backport fix for The server flag should be skipped or present an error during a cluster-reset

• The server flag should be skipped or present an error during a cluster-reset  #3178

[fmoral2]

Validated on Version:

-$  rke2 version v1.27.6+dev.638f9930 (638f99302dd76654582f495f38fa098c3a8e0ec1)

Environment Details

Infrastructure
Cloud EC2 instance

Node(s) CPU architecture, OS, and Version:
NAME="SLES"
VERSION="15-SP4"

Cluster Configuration:
3 node servers

Steps to validate the fix

1. Install rke2 and join 2 other server nodes
2. Run rke2-killall.sh on the initial server node and one other server node
3. Attempt cluster-reset on the remaining server node:

$ sudo systemctl  stop rke2
$ sudo rke2 server --cluster-reset

Validation Results:

rke2 -v
rke2 version v1.27.6+dev.638f9930 (638f99302dd76654582f495f38fa098c3a8e0ec1)



$ sudo systemctl  stop rke2-server

$ sudo rke2 server --cluster-reset


FATA[0020] cannot perform cluster-reset while server URL is set - remove server from configuration before resetting