---
- name: Import Rancher public key
  ansible.builtin.rpm_key:
    state: present
    key: https://rpm.rancher.io/public.key

- name: Ensure dependencies are installed
  ansible.builtin.package:
    name: "{{ item }}"
    state: present
  loop: "{{ k3s_packages + k3s_packages_extra }}"

- name: Check if cluster is installed
  ansible.builtin.stat:
    path: "{{ __k3s_config_dir }}/k3s.yaml"
  register: __k3s_installed

- name: Prepare directory structure
  ansible.builtin.file:
    path: "{{ item }}"
    owner: root
    group: root
    mode: "0700"
    state: directory
  loop:
    - "{{ __k3s_config_dir }}"
    - "{{ __k3s_config_dir }}/server"
    - "{{ __k3s_data_dir }}"
    - "{{ __k3s_manifests_dir }}"
    - "{{ __k3s_log_dir }}"

- name: Download K3s binary
  ansible.builtin.get_url:
    url: https://github.com/k3s-io/k3s/releases/download/v{{ k3s_version }}/k3s
    checksum: sha256:https://github.com/k3s-io/k3s/releases/download/v{{ k3s_version }}/sha256sum-amd64.txt
    dest: /usr/local/bin/k3s
    timeout: 30
    owner: root
    group: root
    mode: "0755"
  notify: __k3s_restart

- name: Copy K3s config file
  ansible.builtin.template:
    src: "etc/rancher/k3s/config.yaml.j2"
    dest: "{{ __k3s_config_dir }}/config.yaml"
    owner: root
    group: root
    mode: "0600"
  notify: __k3s_restart

- name: Copy K3s kubelet config file
  ansible.builtin.template:
    src: "etc/rancher/k3s/kubelet.yaml.j2"
    dest: "{{ __k3s_config_dir }}/kubelet.yaml"
    owner: root
    group: root
    mode: "0600"
  notify: __k3s_restart

- name: Copy K3s server config files
  ansible.builtin.template:
    src: "etc/rancher/k3s/server/{{ item }}.j2"
    dest: "{{ __k3s_config_dir }}/server/{{ item }}"
    owner: root
    group: root
    mode: "0600"
  loop:
    - admission-config.yaml
  when: k3s_server | bool
  notify: __k3s_restart

- name: Copy auto-deploying manifests to the server
  ansible.builtin.template:
    src: "{{ item }}"
    dest: "{{ __k3s_manifests_dir }}/{{ item | basename | replace('.j2', '') }}"
    mode: "0644"
  loop: "{{ k3s_server_manifests_templates }}"
  loop_control:
    label: "{{ __k3s_manifests_dir }}/{{ item | basename | replace('.j2', '') }}"
  when:
    - ansible_hostname == hostvars[k3s_server_nodes[0]]['ansible_hostname']
    - not __k3s_installed.stat.exists

- name: Download auto-deploying manifests to the server
  ansible.builtin.get_url:
    url: "{{ item.url }}"
    dest: "{{ __k3s_manifests_dir }}/{{ item.dest | default(item.url | basename) }}"
    timeout: 30
    mode: "0644"
  loop: "{{ k3s_server_manifests_urls }}"
  loop_control:
    label: "{{ __k3s_manifests_dir }}/{{ item.dest | default(item.url | basename) }}"
  when:
    - ansible_hostname == hostvars[k3s_server_nodes[0]]['ansible_hostname']
    - not __k3s_installed.stat.exists