kubectl-node-restart is a kubectl plugin that sequentially and gracefully performs a rolling restart of Nodes within a Kubernetes cluster

• install krew using instructions here
• run kubectl krew update
• run kubectl krew install node-restart

• perform rolling restart of all nodes in a cluster

    kubectl node-restart [--context cluster] all

• restart only specific nodes selected through labels

    kubectl node-restart --selector node-role.kubernetes.io/master

• execute a command prior to reboot labels

    kubectl node-restart all --command "echo 'hello world'"

• perform a dry-run

    kubectl node-restart all --dry-run

• restart node(s) without first draining

    kubectl node-restart all --force

• add a delay of 120seconds between node restarts

    kubectl node-restart all --sleep 120

• Pull the Alpine image from a private registry

    kubectl node-restart all --registry myregistry.local/library/alpine:3.9