Extending kubectl Utility With Plugins

• krew

  23 6,118 4.7 Go

  📦 Find and install kubectl plugins

  

Although there’s more than one way to distribute and install kubectl plugins, the simplest way is to use krew. It is a package manager for kubectl and makes the installation and management of kubectl plugins a cakewalk. To get started, you would have to first install krew on your machine. You can refer to this installation document to do so.

• kubectl-whoami

  1 112 2.9 Go

  This plugin gets the subject name using the effective kubeconfig

To install any plugin, say the whoami plugin, run the following command:

• WorkOS

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• kubectl-count

  1 1 10.0 Go

  kubectl-count plugin, counts Kubernetes resource instances. (by neelanjan00)

I have made a demo plugin called kubectl-count, which we will be using for this small demo. The complete source code can be found here: https://github.com/neelanjan00/kubectl-count. In a nutshell, this plugin allows you to count the instances of Kubernetes resources present in your cluster. So for example, you can count the number of pods in a namespace, the number of nodes in your cluster, or the total number of deployments in all the namespaces of your cluster.

• cobra

  129 35,985 7.8 Go

  A Commander for modern Go CLI interactions

The source code of the plugin is pretty straightforward, we use the Cobra CLI to create a boilerplate CLI project.

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