Introduction to kubectls

kubectls is a kubectl version manager.
This is a kubectl version of tools like *env(kubectlenv).

Installation

You can install it with the following command:
Think it will work if you have bash, ln, readlink, curl, and git installed.

$ git clone https://github.com/tkuchiki/kubectls ~/.kubectls
Code language: PHP (php)

Set the PATH to give priority to ~/.kubectls/bin in .bashrc.
If you are using zsh, replace it with .zshrc.

# for bash $ echo "PATH=~/.kubectls/bin:\$PATH" >> ~/.bashrc $ echo "export $PATH" >> ~/.bashrc
Code language: PHP (php)

Usage

kubectls consists of 5 subcommands. Introduction to them one by one.

$ kubectls --help Usage: kubectls kubectls is kubectl version manager Commands: install Install kubectl path Show current kubectl's abs path update Update kubectls use Set version versions Show installed versions Options: --version Show version

install

The install subcommand is an installing kubectl.

$ kubectls install --help Usage: kubectl install (VERSION|stable) [--set] Install kubectl Options: --set Set version
Code language: JavaScript (javascript)

You can install the stable version of kubectl with kubectl install stable.

$ kubectls install stable % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 44.1M 100 44.1M 0 0 16.3M 0 0:00:02 0:00:02 --:--:-- 16.3M v1.20.4 is installed

You can install the specified version of kubectl with kubectls install VERSION.

$ kubectls install v1.20.0 % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 44.0M 100 44.0M 0 0 17.5M 0 0:00:02 0:00:02 --:--:-- 17.5M v1.20.0 is installed

kubectls install just installs it. It will not become usable.
To switch to the specified version, you can run kubectls use(see below) or kubectls install with the option --use.

$ kubectls install v1.20.1 --use % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 44.0M 100 44.0M 0 0 20.7M 0 0:00:02 0:00:02 --:--:-- 20.7M v1.20.1 is installed v1.20.1 selected $ kubectl version --client --short Client Version: v1.20.1
Code language: PHP (php)

use

This is a subcommand to switch to the version of kubectl that you installed with kubectls install.

$ kubectls use --help Usage: kubectl use [VERSION] Set version
Code language: JavaScript (javascript)

You can switch to the specific version with kubectls use VERSION.

$ kubectls use v1.20.4 v1.20.4 selected
Code language: PHP (php)

You can switch to the specific version by selecting from the list of installed versions.

$ kubectls use 1) v1.20.0 2) v1.20.1 3) v1.20.2 4) v1.20.4 Which version? 3 v1.20.2 selected
Code language: PHP (php)

path

Print the absolute path of the kubectl currently be used.

$ kubectls path --help Usage: kubectl path Show current kubectl's abs path
$ kubectls path /Users/tkuchiki/.kubectls/versions/v1.20.2/kubectl

versions

Prints a list of installed versions.

$ kubectls versions --help Usage: kubectl versions Show installed versions
$ kubectls versions v1.20.0 v1.20.1 v1.20.2 v1.20.4

update

Update kubectls.

$ kubectls update --help Usage: kubectl update Update kubectls

Conclusion

This article was an introduction to kubectls.
You may not switch between multiple versions very often, but I hope this helps you!

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