install_k8s_master.sh

#!/bin/bash

cat <<EOF > /etc/cni/net.d/100-crio-flannel.conf
{
    "cniVersion": "0.3.0",
    "name": "mynet",
    "type": "flannel"
}
EOF
cat <<EOF > /etc/cni/net.d/200-loopback.conf
{
    "cniVersion": "0.3.0",
    "type": "loopback"
}
EOF

# Switch cgroup manager to cgroupfs and logging to debug
sed -i 's|cgroup_manager = "systemd"|cgroup_manager = "cgroupfs"|g' /etc/crio/crio.conf
sed -i 's|log_level = "error"|log_level = "debug"|g' /etc/crio/crio.conf
systemctl enable crio
systemctl start crio

# Update kubelet extra args
echo "KUBELET_EXTRA_ARGS=--cgroup-driver=cgroupfs --runtime-cgroups=/systemd/system.slice --kubelet-cgroups=/systemd/system.slice" > /etc/sysconfig/kubelet
systemctl daemon-reload
systemctl enable kubelet
systemctl start kubelet
kubeadm init --pod-network-cidr=10.244.0.0/16 --kubernetes-version=1.15.2
mkdir /root/.kube
cp /etc/kubernetes/admin.conf /root/.kube/config
curl -o /root/kube-flannel.yml https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
kubectl create -f /root/kube-flannel.yml