[Release-1.26] - prefer-bundled-bin flag cannot be set via config.yaml.d

[dereknola]

Backport fix for prefer-bundled-bin flag cannot be set via config.yaml.d

• prefer-bundled-bin flag cannot be set via config.yaml.d #7316

[bguzman-3pillar]

Validated on commit 743a0dd

$ k3s -v
k3s version v1.26.4+k3s-743a0dd8 (743a0dd8)
go version go1.19.8

Environment Details

Infrastructure

• Cloud
• Hosted

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

$ cat /etc/os-release
PRETTY_NAME="Ubuntu 22.04.2 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04.2 LTS (Jammy Jellyfish)"
VERSION_CODENAME=jammy
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=jammy

Cluster Configuration:

1 server

Config.yaml:

$ cat config.yaml 
write-kubeconfig-mode: 644
debug: true
token: test
protect-kernel-defaults: true
cluster-init: true

Additional files

config.yaml.d/test.yaml
$ cat test.yaml 
prefer-bundled-bin: true

Testing Steps

1. Create 1 server node
2. Add prefer-bundled-bin: true config on .d file => Config.yaml.d/test.yaml
   Get ID for k3s var envs process
   $ ID=$(pgrep k3s-server)
   $ sudo cat /proc/${ID}/environ | xargs -n1 -0 echo | grep PATH
3. Check the path order

Validation Results:

$ kubectl get node,pod -A
NAME                    STATUS   ROLES                       AGE   VERSION
node/ip-172-31-45-170   Ready    control-plane,etcd,master   17m   v1.26.4+k3s-743a0dd8

NAMESPACE     NAME                                          READY   STATUS      RESTARTS   AGE
kube-system   pod/coredns-59b4f5bbd5-tnjjj                  1/1     Running     0          17m
kube-system   pod/helm-install-traefik-bld65                0/1     Completed   1          17m
kube-system   pod/helm-install-traefik-crd-fmdf8            0/1     Completed   0          17m
kube-system   pod/local-path-provisioner-76d776f6f9-k5w68   1/1     Running     0          17m
kube-system   pod/metrics-server-7b67f64457-47qvj           1/1     Running     0          17m
kube-system   pod/svclb-traefik-11275b55-7zmhx              2/2     Running     0          16m
kube-system   pod/traefik-56b8c5fb5c-n44wp                  1/1     Running     0          16m


$ sudo cat /proc/${ID}/environ | xargs -n1 -0 echo | grep PATH 
PATH=/var/lib/rancher/k3s/data/d1651d28281e70b5718c1cc6f9a877e762f02a785616d88451dda26a0f8a317b/bin:/var/lib/rancher/k3s/data/d1651d28281e70b5718c1cc6f9a877e762f02a785616d88451dda26a0f8a317b/bin/aux:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin