#!/usr/bin/env bash

export DEBIAN_FRONTEND=noninteractive

apt install -y containerd wget

mkdir -p /etc/containerd

containerd config default | tee /etc/containerd/config.toml

sed -i -e "s@SystemdCgroup = false@SystemdCgroup = true@g" \
	/etc/containerd/config.toml

echo "net.ipv4.ip_forward=1" > /etc/sysctl.d/010-k8s.conf
echo "br_netfilter" > /etc/modules-load.d/k8s.conf

sysctl --system
modprobe br_netfilter

systemctl restart containerd

cat <<EOF >/etc/crictl.yaml
runtime-endpoint: unix:///run/containerd/containerd.sock
image-endpoint: unix:///run/containerd/containerd.sock
EOF

VERSION="v1.28.0"
wget "https://github.com/kubernetes-sigs/cri-tools/releases/download/$VERSION/crictl-$VERSION-linux-amd64.tar.gz"
tar zxvf "crictl-$VERSION-linux-amd64.tar.gz" -C /usr/local/bin
rm -f "crictl-$VERSION-linux-amd64.tar.gz"

crictl ps