Single node RKE2 cluster userdata

rke2-userdata.sh

#!/bin/sh

PUBLIC_IP=$(curl ifconfig.io)

# export INSTALL_RKE2_VERSION="v1.20.5+rke2r1"

curl -sfL https://get.rke2.io | sh -
mkdir -p /etc/rancher/rke2
cat > /etc/rancher/rke2/config.yaml <<EOF
write-kubeconfig-mode: "0640"
tls-san:
  - "${PUBLIC_IP}"
  - "${PUBLIC_IP}.nip.io"
EOF

systemctl enable rke2-server
systemctl start rke2-server

cat >> /etc/profile <<EOF
export KUBECONFIG=/etc/rancher/rke2/rke2.yaml
export CRI_CONFIG_FILE=/var/lib/rancher/rke2/agent/etc/crictl.yaml
PATH="$PATH:/var/lib/rancher/rke2/bin"
alias k=kubectl
EOF