Switch K8S cluster context easily

kubeswitch

#!/bin/bash
# run `kubeswitch` to list the contexts from .kube/config and set current context
# run `source <(kubeswitch)` to use the selected context in active shell environment only
# or add `alias kswitch='source <(kubeswitch)'` in ~/.bashrc

unset KUBECONFIG
select context in $(kubectl config get-contexts -o name); do
  kubectl config use-context $context &> /dev/null
  kubectl config view --minify --context $context --flatten > ${HOME}/.kube/$context.conf
  chmod 600 ${HOME}/.kube/$context.conf
  echo "export KUBECONFIG=${HOME}/.kube/$context.conf"
  break
done