https://github.com/mnrgreg/kubectl-node-restart

Krew plugin to restart Kubernetes Nodes sequentially and gracefully
https://github.com/mnrgreg/kubectl-node-restart

cluster kubectl-plugin kubernetes kubernetes-cluster rolling-restart

Last synced: 12 days ago
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Krew plugin to restart Kubernetes Nodes sequentially and gracefully

• Host: GitHub
• URL: https://github.com/mnrgreg/kubectl-node-restart
• Owner: MnrGreg
• License: other
• Created: 2020-02-15T05:00:47.000Z (over 4 years ago)
• Default Branch: main
• Last Pushed: 2024-06-08T16:53:24.000Z (5 months ago)
• Last Synced: 2024-10-16T09:34:11.612Z (22 days ago)
• Topics: cluster, kubectl-plugin, kubernetes, kubernetes-cluster, rolling-restart
• Language: Shell
• Homepage:
• Size: 46.8 MB
• Stars: 104
• Watchers: 3
• Forks: 11
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# kubectl-node-restart

`kubectl-node-restart` is a [kubectl plugin](https://kubernetes.io/docs/tasks/extend-kubectl/kubectl-plugins/) that sequentially and gracefully performs a rolling restart of Nodes within a Kubernetes cluster

![using kubectl-node-restart plugin](demo/usage.gif)

# Installing

- install `krew` using instructions [here](https://github.com/kubernetes-sigs/krew#installation)

- run `kubectl krew update`

- run `kubectl krew install node-restart`

![installing kubectl-node-restart plugin](demo/installation.gif)

# Usage

- perform rolling restart of all nodes in a cluster

```bash

    kubectl node-restart [--context cluster] all

```

- restart only specific nodes selected through labels

```bash

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

```

- execute a command prior to reboot labels

```bash

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

```

- perform a dry-run

```bash

    kubectl node-restart all --dry-run

```

- restart node(s) without first draining

```bash

    kubectl node-restart all --force

```

- add a delay of 120seconds between node restarts

```bash

    kubectl node-restart all --sleep 120

```

- Pull the Alpine image from a private registry

```bash

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

```