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K3S集群部署

master

curl -sfL http://rancher-mirror.cnrancher.com/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn  K3S_TOKEN=SECRET sh -s - server --cluster-init

node1

curl -sfL http://rancher-mirror.cnrancher.com/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn  K3S_TOKEN=SECRET  sh -s - --server https://47.104.20.105:6443
#eg.
curl -sfL http://rancher-mirror.cnrancher.com/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn  K3S_TOKEN=SECRET  sh -s - --server https://47.104.20.105:6443

node2

curl -sfL http://rancher-mirror.cnrancher.com/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn  K3S_TOKEN=SECRET  sh -s - --server https://47.104.20.105:6443
#eg.
curl -sfL http://rancher-mirror.cnrancher.com/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn  K3S_TOKEN=SECRET  sh -s - --server https://47.104.20.105:6443

查看token

cat /var/lib/rancher/k3s/server/node-token

卸载k3s

要从 server 节点卸载 K3s，请运行：

/usr/local/bin/k3s-uninstall.sh

要从 agent 节点卸载 K3s，请运行：

/usr/local/bin/k3s-agent-uninstall.sh

删除节点

kubectl delete node node1

获取deployment

system 下的rancher服务,不小心被缩放为0,如下操作,进行修改

kubectl get deployments -n cattle-system

#缩放
kubectl scale deployments/rancher -n cattle-system --replicas=2

#查看
kubectl describe deployments/rancher -n cattle-system