config-registry

config-registry is a utility to manage and switch between kubeconfigs.

Use this to avoid unintentional operation on your production clusters, while easing the management of multiple clusters.

Usage:
  config-registry [flags]
  config-registry [command]

Available Commands:
  cp          copy config OLD to NEW
  current     show the current config name
  help        Help about any command
  import      import existing kubeconfig at PATH as NAME
  init        initialize kubeconf
  locate      print the path to config NAME
  ls          list the configs
  mv          rename config OLD to NEW
  rm          delete config NAME
  use         switch to config NAME

Flags:
  -h, --help   help for ./kubeconf

Use "config-registry [command] --help" for more information about a command.

Usage

$ config-registry init
✔ Config default created.

$ config-registry cp . custom1
Copied config "default" to "custom1".

$ $EDITOR "$(config-registry locate custom1)"

$ config-registry mv custom1 prod
Renamed config "custom1" to "prod".

$ config-registry ls
default
prod

$ config-registry use prod
Switched to config "prod".

$ config-registry use -
Switched to config "default".

$ config-registry locate prod
$HOME/.kube/kubeconf/registry/prod

Switching to the production config by using config-registry use prod is strongly NOT RECOMMEND. That's because doing so may result in you running a disruptive operation on the production cluster without noticing the current config is production.

Instead, use config-registry locate prod.

With that you can grab the kubeconfig path without switching, so that you will never end up running unexpected operations in production:

# Avoid unintentional operation on prod by using `config-registry locate`

$ KUBECONFIG=$(config-registry locate prod) kubectl version

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Installation

There two installation options:

• As kubectl plugins (macOS/Linux)
• Manual installation

Kubectl Plugins (macOS and Linux)

You can install and use Krew kubectl plugin manager to get config-registry.

kubectl krew install config-registry

After installing, the plugin will be available as kubectl config-registry.

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Manual installation

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Interactive mode

If you want config-registry command to present you an interactive menu with fuzzy searching, you just need to install fzf in your PATH.

If you have fzf installed, but want to opt out of using this feature, set the environment variable CONFIG_REGISTRY_IGNORE_FZF=1.

If you want to keep fzf interactive mode but need the default behavior of the command, you can do it using Unix composability:

config-registry | cat

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Customizing colors

If you like to customize the colors indicating the current config, set the environment variables CONFIG_REGISTRY_CURRENT_FGCOLOR and CONFIG_REGISTRY_CURRENT_BGCOLOR (refer color codes here):

export CONFIG_REGISTRY_CURRENT_FGCOLOR=$(tput setaf 6) # blue text
export CONFIG_REGISTRY_CURRENT_BGCOLOR=$(tput setab 7) # white background

Colors in the output can be disabled by setting the NO_COLOR environment variable.

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Acknowledgement

The initial version of config-registry codebase has been roughly 50% derived from @ahmetb's awesome kubectx. You can see which source files are still kept without major changes today by seeing the license header comments in the source files. A big thanks to @ahmetb and the contributors for all the hard work, and sharing it as an opensource project!