Kubernetes: Kubeadm Cluster Upgrade Workflow

Visualize Kubeadm cluster upgrade workflow

Table of Contents

· Upgrade Control Plane Nodes
· Upgrade Worker Nodes

Upgrade Control Plane Nodes

• upgrade kubeadm
• drain the current node
• upgrade kubelet and kubectl
• uncordon the current node

upgrade control plane nodes

Upgrade Worker Nodes

• upgrade kubeadm
• drain the current node
• upgrade kubelet and kubectl
• uncordon the current node

upgrade worker nodes

These are my personal notes for CKA exam preparation on Kubernetes. Please feel free to correct me if you notice any errors. 😊

Reference:

Upgrading kubeadm clusters

Upgrading Linux nodes