#!/bin/bash

set -ex

if [ -z "$1" ]; then
  CLI_VERSION="v1.21.14"
else
  CLI_VERSION="$1"
fi

curl -LO "https://dl.k8s.io/release/$CLI_VERSION/bin/linux/amd64/kubectl"
curl -LO "https://dl.k8s.io/release/$CLI_VERSION/bin/linux/amd64/kubectl.sha256"
echo "$(cat kubectl.sha256)  kubectl" | sha256sum --check && \
  sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl && \
  kubectl version