02 - k8s-versions.md

k8s Version and Upgrades

• Versions:
• v1.30.0

MAJOR	MINOR	PATCH
	Features	Bug Fixes
	Functionalities

Upgade k8s

Run to see what versions are available and which components you need to upgrade:

• kubeadm upgrade plan
• Next, Upgrade the kubeadmin itself
  • apt-get upgarde -y kubeadm=1.30.1-00
  • kubeadm upgrade apply v1.30.1
• Next, Upgrade kubelet:
  • apt-get upgarde -y kubelet=1.30.1-00
  • systemctl restart kubelet
• To confirm, run:
  • k get nodes
• After go on every Worker Node and uograde them:
  • kubectl drain node_name
  • apt-get upgarde -y kubeadm=1.30.1-00
  • apt-get upgarde -y kubelet=1.30.1-00
  • kubeadm upgrade node config --kubelet-version v1.30.1
  • systemctl restart kubelet
  • Now make the Node schedulable again:
    • kubectl uncordon node_name

Some docs:

• https://kubernetes.io/docs/concepts/overview/kubernetes-api/
• https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/api-conventions.md
• https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/api_changes.md