ansible-role-k3s/tasks/build/install-k3s.yml

---

- name: Ensure k3s is linked into the installation destination on the contol plane
  file:
    src: "{{ k3s_install_dir }}/k3s-{{ k3s_release_version }}"
    dest: "{{ k3s_install_dir }}/{{ item }}"
    state: "{{ 'hard' if k3s_install_hard_links else 'link' }}"
    force: "{{ k3s_install_hard_links }}"
    mode: 0755
  loop:
    - k3s
    - kubectl
    - crictl
    - ctr
  when: ((k3s_control_node and k3s_controller_count | length == 1)
        or (k3s_primary_control_node and k3s_controller_count | length > 1)) and not ansible_check_mode
  notify:
    - restart k3s
  become: "{{ k3s_become_for_install_dir | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure config directory exists
  file:
    path: "{{ k3s_config_file | dirname }}"
    state: directory
    mode: 0755
    recurse: true
  become: "{{ k3s_become_for_install_dir | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure systemd unit file directory exists
  file:
    path: "{{ k3s_systemd_unit_directory }}"
    state: directory
    mode: 0755
  become: "{{ k3s_become_for_systemd | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure k3s config file exists on control plane
  template:
    src: config.yaml.j2
    dest: "{{ k3s_config_file }}"
    mode: 0644
  when: (k3s_control_node and k3s_controller_count | length == 1)
        or (k3s_primary_control_node and k3s_controller_count | length > 1)
  notify:
    - reload systemd
    - restart k3s
  become: "{{ k3s_become_for_install_dir | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure k3s service unit file is present on control plane
  template:
    src: k3s.service.j2
    dest: "{{ k3s_systemd_unit_directory }}/k3s.service"
    mode: 0644
  when: (k3s_control_node and k3s_controller_count | length == 1)
        or (k3s_primary_control_node and k3s_controller_count | length > 1)
  notify:
    - reload systemd
    - restart k3s
  become: "{{ k3s_become_for_systemd | ternary(true, false, k3s_become_for_all) }}"

- meta: flush_handlers

- name: Ensure k3s killall script is present on all nodes
  template:
    src: k3s-killall.sh.j2
    dest: "/usr/local/bin/k3s-killall.sh"
    mode: 0700
  become: "{{ k3s_become_for_usr_local_bin | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure k3s uninstall script is present on all nodes
  template:
    src: k3s-uninstall.sh.j2
    dest: "/usr/local/bin/k3s-uninstall.sh"
    mode: 0700
  become: "{{ k3s_become_for_usr_local_bin | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure k3s is linked into the installation destinations across all nodes
  file:
    src: "{{ k3s_install_dir }}/k3s-{{ k3s_release_version }}"
    dest: "{{ k3s_install_dir }}/{{ item }}"
    state: "{{ 'hard' if k3s_install_hard_links else 'link' }}"
    force: "{{ k3s_install_hard_links }}"
    mode: 0755
  notify:
    - restart k3s
  loop:
    - k3s
    - kubectl
    - crictl
    - ctr
  when: not ansible_check_mode
  become: "{{ k3s_become_for_install_dir | ternary(true, false, k3s_become_for_all) }}"

- name: Ensure k3s control plane is started
  systemd:
    name: k3s
    state: started
    enabled: true
    scope: "{{ k3s_systemd_context }}"
  when: (k3s_control_node and k3s_controller_count | length == 1)
        or (k3s_primary_control_node and k3s_controller_count | length > 1)
  become: "{{ k3s_become_for_systemd | ternary(true, false, k3s_become_for_all) }}"