Drivers for kubernetes.txt

## install cri-o for kubernetes cluster
# install cri-o for kubernetes
export OS=xUbuntu_20.04
export VERSION=1.18
echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/$OS/ /" > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list
echo "deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable:/cri-o:/$VERSION/$OS/ /" > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable:cri-o:$VERSION.list

curl -L https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable:cri-o:$VERSION/$OS/Release.key | apt-key add -
curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/$OS/Release.key | apt-key add -

apt update
apt install -y cri-o cri-o-runc

sudo systemctl daemon-reload
sudo systemctl start crio

cat <<EOF | sudo tee /etc/crio/crio.conf.d/02-cgroup-manager.conf
[crio.runtime]
conmon_cgroup = "pod"
cgroup_manager = "cgroupfs"
EOF


## install network CNI plugin
# source: https://docs.projectcalico.org/getting-started/kubernetes/hardway/install-cni-plugin

curl -L -o /opt/cni/bin/calico https://github.com/projectcalico/cni-plugin/releases/download/v3.16.6/calico-amd64
chmod 755 /opt/cni/bin/calico
curl -L -o /opt/cni/bin/calico-ipam https://github.com/projectcalico/cni-plugin/releases/download/v3.16.6/calico-ipam-amd64
chmod 755 /opt/cni/bin/calico-ipam

mkdir -p /etc/cni/net.d/