merge multiple kubernetes configs

merge-kube-configs.sh

#!/bin/bash

if [ $# -ne 1 ]; then
	echo "Usage: $0 kubeconfigs-path"
	exit
fi

kubeCfgPath="$1"
if [ ! -d "$kubeCfgPath" ]; then
	echo "Directory '$kubeCfgPath' not exists"
	exit
fi

export KUBECONFIG=$(for i in "$kubeCfgPath"/*; do echo $i; done | paste -sd':')
kubectl config view --flatten >$HOME/.kube/config
echo "Merged configs in directory '$kubeCfgPath' into $HOME/.kube/config"
# https://stuartleeks.com/posts/working-with-multiple-kubernetes-contexts/