---
- name: Install munin-node & plugin packages
  package:
    name: "{{ ['munin-node'] + munin_node__plugin_packages }}"
    state: present
  tags:
    - role::munin-node

- name: Create firewall rule for Rocky Linux Munin nodes
  ansible.posix.firewalld:
    service: "munin-node"
    permanent: true
    zone: wireguard
    state: enabled
  tags:
    - role::munin-node
  when: ansible_distribution == "Rocky"
  notify:
    - Reload the firewall

- name: Template munin-node configuration file
  template:
    src: munin-node.conf.j2
    dest: /etc/munin/munin-node.conf
    owner: root
    group: root
    mode: "0444"
  tags:
    - role::munin-node
  notify:
    - Restart munin-node service

- name: Template munin plugin configuration file
  template:
    src: plugin.conf.j2
    dest: /etc/munin/plugin-conf.d/custom
    owner: root
    group: root
    mode: "0444"
  tags:
    - role::munin-node
  notify:
    - Restart munin-node service

- name: Enable non-default munin plugins
  file:
    src: "/usr/share/munin/plugins/{{ item.src }}"
    dest: "/etc/munin/plugins/{{ item.dest | default(item.src) }}"
    state: link
  loop: "{{ munin_node__plugins }}"
  tags:
    - role::munin-node
  notify:
    - Restart munin-node service

- name: Copy custom munin plugins
  template:
    src: "{{ item }}"
    # Split two levels of file extensions
    dest: "/etc/munin/plugins/{{ item | basename | splitext | first | splitext | first }}"
    owner: root
    group: root
    mode: "0555"
  loop_control:
    # I love representing data modification logic in YAML!
    label: "{{ item | basename | splitext | first | splitext | first }}"
  with_fileglob: "../templates/plugins/{{ ansible_hostname }}/*"
  tags:
    - role::munin-node

- name: Disable some unneeded plugins
  file:
    path: "/etc/munin/plugins/{{ item }}"
    state: absent
  loop:
    - squeezebox_albums
    - squeezebox_artists
    - squeezebox_genres
    - squeezebox_signalstrength
    - squeezebox_songs
    - squeezebox_volume
    - squeezebox_years
  tags:
    - role::munin-node
  notify:
    - Restart munin-node service