#!/bin/sh
#
# Script to install kubectl for local user.
#

set -euo pipefail

kubectl_version=$(curl -L -s https://dl.k8s.io/release/stable.txt)
kubectl_path=~/.local/bin

# check current installed version
if command -v kubectl > /dev/null 2>&1; then
    current_version=$(kubectl version | head -n 1 | awk '{print $3}')
    echo "kubectl version ${current_version} already installed"
    if [ $current_version = $kubectl_version ]; then
	exit 0
    else
	echo "installing ${kubectl_version}..."
    fi
else
    echo "kubectl not found, installing..."
fi

# Create folder and download to folder
mkdir -p "$kubectl_path"
curl -o "$kubectl_path"/kubectl -L "https://dl.k8s.io/release/${kubectl_version}/bin/linux/amd64/kubectl"

# Make it executable
chmod +x "$kubectl_path"/kubectl