#cloud-config
hostname: ${hostname}
manage_etc_hosts: true

users:
  - name: k3s
    groups: sudo
    shell: /bin/bash
    sudo: ALL=(ALL) NOPASSWD:ALL
    ssh_authorized_keys:
      - ${ssh_public_key}

package_update: true
packages:
  - curl

write_files:
  - path: /usr/local/bin/join-k3s.sh
    permissions: '0755'
    content: |
      #!/bin/sh
      # Server may still be booting; retry the join until it answers.
      until curl -sk https://${server_ip}:6443/ping >/dev/null 2>&1; do
        echo "waiting for k3s server at ${server_ip}..."
        sleep 5
      done
      curl -sfL https://get.k3s.io | \
        K3S_URL="https://${server_ip}:6443" \
        K3S_TOKEN="${k3s_token}" \
        sh -s - agent

runcmd:
  - /usr/local/bin/join-k3s.sh