---
- name: Install Wireguard
  include_role:
    name: wireguard
#  when:
#    - kubernetes_cni == "wireguard"

- name: Check if /usr/local/bin/k3s already existe
  stat:
    path: /usr/local/bin/k3s
  register: k3s_bin
  changed_when: False

- name: retreive k3s binary for x86_64
  get_url:
    url: "https://github.com/rancher/k3s/releases/download/v1.19.5%2Bk3s2/k3s"
    dest: "/usr/local/bin/k3s"
    group: root
    owner: root
    mode: 0755
  when:
    - not k3s_bin.stat.exists
    - ansible_machine == "x86_64"

- name: retreive k3s binary for arm64
  get_url:
    url: "https://github.com/rancher/k3s/releases/download/v1.19.5%2Bk3s2/k3s-arm64"
    dest: "/usr/local/bin/k3s"
    group: root
    owner: root
    mode: 0755
  when:
    - not k3s_bin.stat.exists
    - ansible_machine == "arm64"

- name: retreive k3s binary for armv6/armv7
  get_url:
    url: "https://github.com/rancher/k3s/releases/download/v1.19.5%2Bk3s2/k3s-armhf"
    dest: "/usr/local/bin/k3s"
    group: root
    owner: root
    mode: 0755
  when:
    - not k3s_bin.stat.exists
    - (ansible_machine == "armv7l") or (ansible_machine == "armv6l")

- name: Create tools link
  file:
    src: "k3s"
    dest: "/usr/local/bin/{{ item }}"
    owner: root
    group: root
    state: link
  with_items:
    - "kubectl"
    - "crictl"
    - "ctr"

# Manque kubernetes_server_token, kubernetes_master url

- name: Deploy systemd service
  template:
    src: "etc/systemd/system/{{ item }}.j2"
    dest: "/etc/systemd/system/{{ item }}"
    owner: root
    group: root
    mode: 0600
  with_items:
    - "k3s.service"
    - "k3s.service.env"
  when:
    - ansible_service_mgr == "systemd"

- name: Create thin volumes for k3s
  lvol:
    vg: "{{ item.vg }}"
    lv: "{{ item.name }}"
    thinpool: kubernetes
    size: "{{ item.size }}"
  with_items:
    - { name: var_lib_k3s, vg: vg_sys, size: 10g, mount_point: /var/lib/rancher/k3s, mount_opts: "discard"}

- name: create file system on containerd lv
  filesystem:
    fstype: ext4
    dev: "/dev/{{ item.vg }}/{{ item.name }}"
  with_items:
    - { name: var_lib_k3s, vg: vg_sys, size: 10g, mount_point: /var/lib/rancher/k3s, mount_opts: "discard"}

- name: mount logical volumes
  mount:
    name: "{{ item.mount_point }}"
    src: "/dev/{{ item.vg }}/{{ item.name }}"
    fstype: ext4
    opts: "{{ item.mount_opts }}"
    state: mounted
  with_items:
    - { name: var_lib_k3s, vg: vg_sys, size: 10g, mount_point: /var/lib/rancher/k3s, mount_opts: "discard"}

- name: Enable k3s on boot
  service:
    name: k3s
    state: started
    enabled: yes