How to use Rancher to manage k8s cluster?

必要的集群内部通讯端口要在防火墙上打开

2379, 2380, 80, 443, 22, 6443, 10250

清理干净 https://rancher.com/docs/rancher/v2.5/en/cluster-admin/cleaning-cluster-nodes/

docker rm -f $(docker ps -qa)
# docker rmi -f $(docker images -q)
docker volume rm $(docker volume ls -q)

for mount in $(mount | grep tmpfs | grep '/var/lib/kubelet' | awk '{ print $3 }') /var/lib/kubelet /var/lib/rancher; do sudo umount $mount; done

sudo rm -rf /etc/ceph \
       /etc/cni \
       /etc/kubernetes \
       /opt/cni \
       /opt/rke \
       /run/secrets/kubernetes.io \
       /run/calico \
       /run/flannel \
       /var/lib/calico \
       /var/lib/etcd \
       /var/lib/cni \
       /var/lib/kubelet \
       /var/lib/rancher/rke/log \
       /var/log/containers \
       /var/log/kube-audit \
       /var/log/pods \
       /var/run/calico


sudo ip link delete flannel.1

sudo reboot

sudo iptables -L -t nat
sudo iptables -L -t mangle
sudo iptables -L

启动管理节点

sudo docker run –privileged -d –restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher

安装节点

docker run -d –privileged –restart=unless-stopped –net=host -v /etc/kubernetes:/etc/kubernetes -v /var/run:/var/run rancher/rancher-agent:v2.6.6 –server https://<api_server> –token –ca-checksum <check_sum> –etcd –controlplane –worker

安装APISIX

helm repo add apisix https://charts.apiseven.com
helm repo update
helm install apisix apisix/apisix --create-namespace  --namespace apisix

安装ARGOCD

Rancher K8s

Use Rancher to manage k8s cluster