kubectr

kubectr is a utility that list all containers in a pod, supporting both initContainers and ephemeralContainers.

Demo

$ kubectl ctr csi-do-controller-0 -n kube-system

NAME           	  READY	  STATUS 	  RESTARTS     	  AGE  	  PORTS	  IMAGE                                             	  PULLPOLICY  	  TYPE
csi-provisioner	  1    	  Running	  4            	  6h10m	  -    	  registry.k8s.io/sig-storage/csi-provisioner:v3.5.0	  IfNotPresent	  container
csi-attacher   	  1    	  Running	  4 (6h ago)   	  6h10m	  -    	  registry.k8s.io/sig-storage/csi-attacher:v4.3.0   	  IfNotPresent	  container
csi-snapshotter	  1    	  Running	  4 (6h ago)   	  6h10m	  -    	  registry.k8s.io/sig-storage/csi-snapshotter:v6.2.2	  IfNotPresent	  container
csi-resizer    	  1    	  Running	  4 (6h ago)   	  6h9m 	  -    	  registry.k8s.io/sig-storage/csi-resizer:v1.8.0    	  IfNotPresent	  container
csi-do-plugin  	  0    	  Waiting	  1069 (5m ago)	  -    	  -    	  digitalocean/do-csi-plugin:v4.7.1                 	  Always      	  container

Installation

There are several ways to install kubectr. The recommended installation method is via brew.

Via krew

Krew is a kubectl plugin manager. If you have not yet installed krew, get it at https://github.com/kubernetes-sigs/krew. Then installation is as simple as

kubectl krew install ctr

Binaries

download binaries file from https://github.com/cfanbo/kubectr/releases

From Sourcee

git clone https://github.com/cfanbo/kubectr.git
make 
bin/kubectr

Usage

As kubectl plugin

Most users will have installed kubectr via krew, so the plugin is already correctly installed. Otherwise, rename kubectr to kubectl-ctr and put it in some directory from your $PATH variable. Then you can invoke the plugin via kubectl ctr

Standalone

Put the kubectr binary in some directory from your $PATH variable. For example

sudo mv -i kubectr /usr/bin/kubectr

Then you can invoke the plugin via kubectr