kubernetes cluster 재설정

- Worker Node

sudo kubeadm reset
sudo rm -rf /etc/cni/net.d
sudo iptables -F
sudo iptables -X
sudo iptables -t nat -F
sudo iptables -t nat -X
sudo iptables -t raw -F
sudo iptables -t raw -X
sudo iptables -t mangle -F
sudo iptables -t mangle -X
sudo ipvsadm --clear
rm $HOME/.kube/config


# 만약 cache가 있으면 cache도 제거

 

 

- Master Node

sudo kubeadm reset

sudo rm -rf /etc/cni/net.d
sudo rm -rf /var/lib/etcd
sudo rm -rf ~/.kube

sudo kubeadm init --pod-network-cidr=192.168.0.0/16

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

curl https://raw.githubusercontent.com/projectcalico/calico/v3.24.5/manifests/calico.yaml -o calico.yaml
kubectl apply -f calico.yaml