#!/bin/bash

set -xeou pipefail

KUBECTL_VERSION=${1}
KUBECTL_DOWNLOAD_URL="https://dl.k8s.io/release/v${KUBECTL_VERSION}/bin/linux/amd64"

curl -fsSL "${KUBECTL_DOWNLOAD_URL}/kubectl" -o kubectl
curl -fsSL "${KUBECTL_DOWNLOAD_URL}/kubectl.sha256" -o kubectl.sha256
echo "$(cat kubectl.sha256)  kubectl" | sha256sum -c -

chmod +x kubectl
mv kubectl /usr/local/bin/kubectl

rm kubectl.sha256