HetznerTerra/ansible/roles/k3s-agent/tasks/main.yml

---
- name: Check if k3s agent is already installed
  stat:
    path: /usr/local/bin/k3s-agent
  register: k3s_agent_binary

- name: Download k3s install script
  get_url:
    url: https://get.k3s.io
    dest: /tmp/install-k3s.sh
    mode: "0755"
  when: not k3s_agent_binary.stat.exists

- name: Install k3s agent
  environment:
    INSTALL_K3S_VERSION: "{{ k3s_version if k3s_version != 'latest' else '' }}"
    K3S_URL: "{{ k3s_server_url }}"
    K3S_TOKEN: "{{ k3s_token }}"
  command: /tmp/install-k3s.sh agent --node-ip {{ k3s_node_ip }}
  args:
    creates: /usr/local/bin/k3s-agent
  when: not k3s_agent_binary.stat.exists

- name: Wait for k3s agent to be ready
  command: systemctl is-active k3s-agent
  register: agent_status
  until: agent_status.stdout == "active"
  retries: 30
  delay: 10
  changed_when: false