#!/bin/bash

# author: https://github.com/kelseyhightower/kubernetes-the-hard-way

# Install dependencies and set up kubectl

ARCH=$(dpkg --print-architecture)

apt-get update
apt-get -y install wget curl vim openssl git
git clone --depth 1 https://github.com/hupratt/kubernetes-the-hard-way
cd kubernetes-the-hard-way
wget -q --show-progress \
  --https-only \
  --timestamping \
  -P downloads \
  -i downloads-${ARCH}.txt

mkdir -p downloads/{client,cni-plugins,controller,worker}
tar -xvf downloads/crictl-v1.32.0-linux-${ARCH}.tar.gz \
-C downloads/worker/
tar -xvf downloads/containerd-2.1.0-beta.0-linux-${ARCH}.tar.gz \
--strip-components 1 \
-C downloads/worker/
tar -xvf downloads/cni-plugins-linux-${ARCH}-v1.6.2.tgz \
-C downloads/cni-plugins/
tar -xvf downloads/etcd-v3.6.0-rc.3-linux-${ARCH}.tar.gz \
-C downloads/ \
--strip-components 1 \
etcd-v3.6.0-rc.3-linux-${ARCH}/etcdctl \
etcd-v3.6.0-rc.3-linux-${ARCH}/etcd
mv downloads/{etcdctl,kubectl} downloads/client/
mv downloads/{etcd,kube-apiserver,kube-controller-manager,kube-scheduler} \
downloads/controller/
mv downloads/{kubelet,kube-proxy} downloads/worker/
mv downloads/runc.${ARCH} downloads/worker/runc

rm -rf downloads/*gz

chmod +x downloads/{client,cni-plugins,controller,worker}/*

cp downloads/client/kubectl /usr/local/bin/