ansible-role-k3s/tasks/build/configure-k3s-cluster.yml

---

- name: Ensure NODE_TOKEN is captured from control node
  slurp:
    path: "{{ k3s_node_data_dir | default ('/var/lib/rancher/k3s') }}/server/node-token"
  register: k3s_slurped_control_token
  delegate_to: "{{ k3s_control_delegate }}"
  when: k3s_control_token is not defined and not ansible_check_mode
  become: "{{ k3s_become_for_kubectl | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure NODE_TOKEN is formatted correctly for use in templates
  set_fact:
    k3s_control_token: "{{ k3s_slurped_control_token.content | b64decode }}"
  when: k3s_control_token is not defined and not ansible_check_mode

- name: Ensure dummy NODE_TOKEN is defined for ansible_check_mode
  set_fact:
    k3s_control_token: "{{ k3s_control_delegate | to_uuid }}"
  check_mode: false
  when: k3s_control_token is not defined and ansible_check_mode

- name: Ensure the cluster NODE_TOKEN file location exists
  file:
    path: "{{ k3s_token_location }}"
    state: directory
    mode: 0755
  become: "{{ k3s_become_for_systemd | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure k3s cluster token file is present on workers and secondary control nodes
  template:
    src: cluster-token.j2
    dest: "{{ k3s_token_location }}/cluster-token"
    mode: 0600
  become: "{{ k3s_become_for_install_dir | ternary(true, false, k3s_become_for_all) }}"
  when: (k3s_control_node and not k3s_primary_control_node)
        or not k3s_control_node
  notify:
    - restart k3s

- name: Ensure k3s service unit file is present
  template:
    src: k3s.service.j2
    dest: "{{ k3s_systemd_unit_directory }}/k3s.service"
    mode: 0644
  become: "{{ k3s_become_for_systemd | ternary(true, false, k3s_become_for_all) }}"
  notify:
    - reload systemd
    - restart k3s

- name: Ensure k3s config file exists
  template:
    src: config.yaml.j2
    dest: "{{ k3s_config_file }}"
    mode: 0644
  notify:
    - reload systemd
    - restart k3s
  become: "{{ k3s_become_for_install_dir | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure secondary controllers are started
  service:
    name: k3s
    state: started
    enabled: true
  register: ensure_secondary_controllers_started
  until: ensure_secondary_controllers_started is succeeded
  retries: "{{ play_hosts | length }}"
  delay: 5
  when: k3s_control_node and not k3s_primary_control_node
  become: "{{ k3s_become_for_systemd | ternary(true, false, k3s_become_for_all) }}"

- import_tasks: ../validate/check-control-plane.yml
  when: not k3s_skip_validation

- meta: flush_handlers

- import_tasks: ../validate/check-cluster-nodes-ready.yml
  when: not k3s_skip_validation