[Release-1.28] - Kine emulated etcd version is not set correctly

[brandond]

Backport fix for Kine emulated etcd version is not set correctly

• Kine emulated etcd version is not set correctly #11220

[endawkins]

Validated on branch release-1.28 with commit 7384934 / version v1.28.15

Environment Details

Infrastructure

• Cloud
• Hosted

Node(s) CPU architecture, OS, and Version:

Linux ip-172-31-17-65 6.8.0-1016-aws #17-Ubuntu SMP Mon Sep  2 13:48:07 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
PRETTY_NAME="Ubuntu 24.04.1 LTS"
NAME="Ubuntu"
VERSION_ID="24.04"
VERSION="24.04.1 LTS (Noble Numbat)"
VERSION_CODENAME=noble
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=noble
LOGO=ubuntu-logo

Cluster Configuration:

1 server

Config.yaml:

config.yaml 1:

write-kubeconfig-mode: 644

config.yaml 2:

write-kubeconfig-mode: 644
cluster-init: true

Additional files

N/A

Testing Steps

1. Copy config.yaml

$ sudo mkdir -p /etc/rancher/k3s && sudo cp config.yaml /etc/rancher/k3s

2. Install k3s with kine
3. Check etcd logs journalctl -u k3s | grep feature_support_checker and (cluster-init: true) journalctl -u k3s | grep etcd-version

Replication Results:
See: #11220 (comment)

Validation Results:

• k3s version used for validation:

k3s -v
k3s version v1.28.15+k3s-73849343 (73849343)
go version go1.22.8

$ sudo journalctl -u k3s.service | grep feature_support_checker
ubuntu@ip-<IP_ADDRESS>:~$

Additional context / logs:
With config.yaml containing cluster-init: true

$ sudo journalctl -u k3s.service | grep etcd-version
"msg":"starting an etcd server","etcd-version":"3.5.16","git-sha":"HEAD"