rancher-rke2-ha install tips

### first control node
sudo su

curl -sfL https://get.rke2.io | sh -

systemctl enable rke2-server.service

mkdir -p /etc/rancher/rke2/
cat << EOF >> /etc/rancher/rke2/config.yaml
tls-san:
  - $DOMAIN
EOF

systemctl start rke2-server.service

cat /var/lib/rancher/rke2/server/token


### second control node
sudo su

curl -sfL https://get.rke2.io | sh -

systemctl enable rke2-server.service

cat << EOF >> /etc/rancher/rke2/config.yaml
server: https://$DOMAIN/$LB:9345
token: $TOKEN
tls-san:
  - $DOMAIN/$LB
EOF

systemctl start rke2-server.service


### third control node
sudo su

curl -sfL https://get.rke2.io | sh -

systemctl enable rke2-server.service

cat << EOF >> /etc/rancher/rke2/config.yaml
server: https://$DOMAIN/$LB:9345
token: $TOKEN
tls-san:
  - $DOMAIN/$LB
EOF

systemctl start rke2-server.service


### n number of worker nodes
sudo su

curl -sfL https://get.rke2.io | INSTALL_RKE2_TYPE="agent" sh -

systemctl enable rke2-agent.service

mkdir -p /etc/rancher/rke2/
cat << EOF >> /etc/rancher/rke2/config.yaml
server: https://$DOMAIN/$LB:9345
token: $TOKEN
EOF

systemctl start rke2-agent.service


### verify cluster status
kubectl get nodes -o wide