Kubernetes v1.18 [beta]This page explains how to upgrade a Windows node created with kubeadm.
You need to have shell access to all the nodes, and the kubectl command-line tool must be configured to communicate with your cluster. It is recommended to run this tutorial on a cluster with at least two nodes that are not acting as control plane hosts.
Your Kubernetes server must be at or later than version 1.17.To check the version, enter kubectl version.
From the Windows node, upgrade kubeadm:
# replace 1.35.0 with your desired version
curl.exe -Lo <path-to-kubeadm.exe> "https://dl.k8s.io/v1.35.0/bin/windows/amd64/kubeadm.exe"
From a machine with access to the Kubernetes API, prepare the node for maintenance by marking it unschedulable and evicting the workloads:
# replace <node-to-drain> with the name of your node you are draining
kubectl drain <node-to-drain> --ignore-daemonsets
You should see output similar to this:
node/ip-172-31-85-18 cordoned
node/ip-172-31-85-18 drained
From the Windows node, call the following command to sync new kubelet configuration:
kubeadm upgrade node
From the Windows node, upgrade and restart the kubelet:
stop-service kubelet
curl.exe -Lo <path-to-kubelet.exe> "https://dl.k8s.io/v1.35.0/bin/windows/amd64/kubelet.exe"
restart-service kubelet
From the Windows node, upgrade and restart the kube-proxy.
stop-service kube-proxy
curl.exe -Lo <path-to-kube-proxy.exe> "https://dl.k8s.io/v1.35.0/bin/windows/amd64/kube-proxy.exe"
restart-service kube-proxy
From a machine with access to the Kubernetes API, bring the node back online by marking it schedulable:
# replace <node-to-drain> with the name of your node
kubectl uncordon <node-to-drain>