- name: "Install 5 packages: libcgi-fast-perl, munin, munin-node, munin-plugins-extra, python3-passlib"
  package:
    name:
      #- libapache2-mod-fcgid
      - libcgi-fast-perl
      - munin
      - munin-node
      - munin-plugins-extra
      - python3-passlib    # For Ansible module 'htpasswd' in Ansible collection community.general -- used just below
    state: present

- name: Establish username/password Admin/changeme in /etc/munin/munin-htpasswd
  htpasswd:
    path: /etc/munin/munin-htpasswd
    name: "{{ munin_username}}"         # Admin
    password: "{{ munin_password }}"    # changeme

- name: If MySQL is enabled, let Munin monitor it
  copy:
    src: "{{ item }}"
    dest: /etc/munin/plugins/
  with_items:
    - /usr/share/munin/plugins/mysql_
    - /usr/share/munin/plugins/mysql_bytes
    - /usr/share/munin/plugins/mysql_innodb
    - /usr/share/munin/plugins/mysql_isam_space_
    - /usr/share/munin/plugins/mysql_queries
    - /usr/share/munin/plugins/mysql_slowqueries
    - /usr/share/munin/plugins/mysql_threads
  when: mysql_enabled


# RECORD Munin AS INSTALLED

- name: "Set 'munin_installed: True'"
  set_fact:
    munin_installed: True

- name: "Add 'munin_installed: True' to {{ iiab_state_file }}"
  lineinfile:
    path: "{{ iiab_state_file }}"    # /etc/iiab/iiab_state.yml
    regexp: '^munin_installed'
    line: 'munin_installed: True'