ansible-k3s/tasks/main.yml

---
# tasks file for ansible-k3s

- name: K3s aur instalation (Archlinux)
  aur:
    name: k3s-bin
    state: present
  become: true
  become_user: aur_builder

- name: create config directory
  ansible.builtin.file:
    state: directory
    path: "{{ item }}"
    owner: root
    mode: 733
  become: true
  loop:
    - "/etc/rancher/node/"
    - "/etc/rancher/k3s/"

- name: Check if k3s token file exists on the first node
  run_once: true
  ansible.builtin.stat:
    path: "{{ k3s_token_file }}"
  register: k3s_token_file_stat
  become: true


- name: Generate k3s token file on the first node if not exist yet
  run_once: true
  when: not k3s_token_file_stat.stat.exists
  ansible.builtin.copy:
    content: "{{ lookup('community.general.random_string', length=32) }}"
    dest: "{{ k3s_token_file }}"
    mode: 0600
  become: true

- name: Get k3s token from the first node
  run_once: true
  ansible.builtin.slurp:
    src: "{{ k3s_token_file }}"
  register: k3s_token_base64
  become: true

- name: Ensure all nodes has the same token
  ansible.builtin.copy:
    content: "{{ k3s_token_base64.content | b64decode }}"
    dest: "{{ k3s_token_file }}"
    mode: 0600
  become: true

- name: Copy k3s config files
  ansible.builtin.template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    mode: 0644
  loop:
    - src: config.yaml.j2
      dest: "/etc/rancher/k3s/config.yaml"
    - src: k3s.service.j2
      dest: "/etc/systemd/system/k3s.service"
  become: true


- name: Template consul service
  ansible.builtin.template:
    src: consul.d/k3s.hcl.j2
    dest: /etc/consul.d/k3s.hcl
    owner: consul
    mode: "0644"
  notify: Reload consul configuration on Linux
  when: k3s_consul_service
  become: true


- name: Enable k3s service
  ansible.builtin.systemd:
    name: k3s
    enabled: true
    state: started
  register: k3s_service
  until: k3s_service is succeeded
  retries: 5
  become: true