ansible/roles/k3s/tasks/main.yml

---

- name: set k3s download suffix
  set_fact:
    k3s_suffix: "{{ k3s_suffix_lookup[ansible_architecture] }}"

- name: create k3s opt directory
  file:
    path: /opt/k3s
    state: directory

- name: download k3s binary
  get_url:
    url: "{{ k3s_download_base_url }}/k3s{{ k3s_suffix }}"
    dest: /opt/k3s/k3s
    checksum: "sha256:{{ k3s_download_base_url }}/sha256sum{{ k3s_suffix }}.txt"
    mode: '0755'

- name: create k3s symlinks
  file:
    state: link
    src: /opt/k3s/k3s
    dest: "/usr/local/bin/{{ item }}"
  loop:
    - k3s
    - kubectl
    - crictl
    - ctr

- name: create /etc/rancher/k3s directory
  file:
    path: /etc/rancher/k3s
    state: directory

- name: create k3s.env
  file:
    state: touch
    path: /etc/rancher/k3s/k3s.env
    mode: '0600'
    modification_time: preserve
    access_time: preserve

- name: copy service file
  template:
    src: init.d/k3s.j2
    dest: /etc/init.d/k3s
    mode: '0755'
  when: ansible_distribution == "Alpine"

- name: enable and start k3s
  service:
    name: k3s
    state: started
    enabled: true
  when: ansible_distribution == "Alpine"

- name: add cgroup options cmdline.txt
  replace:
    path: /media/mmcblk0p1/cmdline.txt
    regexp: '^([\w](?!.*\b{{ item }}\b).*)$'
    replace: '\1 {{ item }}'
  loop:
    - "cgroup_memory=1"
    - "cgroup_enable=memory"
    - "cgroup_enable=cpuset"

- name: add k3s files to lbu
  lbu:
    include:
      - /usr/local/bin/k3s
      - /usr/local/bin/kubectl
      - /usr/local/bin/crictl
      - /usr/local/bin/ctr
      - /etc/init.d/k3s
  when: ansible_distribution == "Alpine" and alpine_mode in ["diskless", "data"]