kubectl-multi-exec

Installing

Copy the kubectl-multi_exec binary to the your PATH and ensure it has execution permissions.
You can use the kubectl plugin command to check if the installation was successful.

❯ kubectl plugin list
The following compatible plugins are available:

/usr/local/bin/kubectl-multi_exec

Getting Started

Specify the target label in the selector option.
This example of execution a command on a pod which has the label app=test.

❯ kubectl get pod -l 'app=test'
NAME    READY   STATUS    RESTARTS   AGE
test    1/1     Running   0          25s
test2   1/1     Running   0          18s

❯ kubectl multi-exec --selector 'app=test' -- hostname
test
test2

❯ kubectl multi-exec --selector 'app=test' -- uname -a
Linux test 4.15.0-99-generic #100-Ubuntu SMP Wed Apr 22 20:32:56 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Linux test2 4.15.0-99-generic #100-Ubuntu SMP Wed Apr 22 20:32:56 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux