homeserver/roles/mgrote_munin_server/tasks/main.yml

---
- name: ensure packages are installed
  become: true
  ansible.builtin.package:
    name: "{{ munin_packages }}"
    state: present

- name: Ensure needed dirs exists
  ansible.builtin.file:
    path: "{{ item.name }}"
    state: directory
    mode: "{{ item.mode }}"
    owner: "{{ item.owner }}"
    group: "{{ item.group }}"
  loop:
    - name: /var/run/munin
      mode: '0755'
      owner: munin
      group: munin
    - name: /var/lib/munin-node/plugin-state
      mode: '0775'
      owner: munin
      group: munin
    - name: /etc/munin/plugins
      mode: '0755'
      owner: munin
      group: munin
    - name: /var/cache/munin/www
      mode: '0755'
      owner: munin
      group: root
    - name: /var/lib/munin
      mode: '0755'
      owner: munin
      group: munin
    - name: /var/cache/munin
      mode: '0755'
      owner: root
      group: root

- name: Ensure permissions are set
  ansible.builtin.file:
    path: /var/lib/munin/cgi-tmp
    mode: '0777'
    state: directory
    owner: munin
    group: www-data
    recurse: true

- name: Template apache config
  ansible.builtin.template:
    src: apache.conf
    dest: /etc/apache2/sites-available/000-default.conf
    mode: '0644'
    owner: root
    group: root
  notify: "restart apache2"

- name: "apache2: enable modules"
  community.general.apache2_module:
    state: present
    name: "{{ item }}"
  notify: "restart apache2"
  loop:
    - fcgid
    - rewrite

- name: Template munin-server plugins
  ansible.builtin.template:
    src: "{{ item }}"
    dest: "/etc/munin/plugins/{{ item }}"
    mode: '0755'
  loop: "{{ munin_server_plugins }}"

- name: Template munin config
  ansible.builtin.template:
    src: munin.conf
    dest: /etc/munin/munin.conf
    mode: '0644'
    owner: munin
    group: munin
  notify: "restart munin"

- name: Enable or disable the munin cron job.
  ansible.builtin.lineinfile:
    dest: /etc/cron.d/munin
    state: "{{ munin_cron_job }}"
    regexp: "^\\*/5 \\* \\* \\* \\*"
    line: "*/5 * * * *     munin if [ -x /usr/bin/munin-cron ]; then /usr/bin/munin-cron; fi"
    create: true
    mode: '0644'
  notify: "restart munin"

- name: check if munin has been run
  ansible.builtin.stat:
    path: /var/cache/munin/www/index.html
  register: placeholder

- name: Template website placeholder
  ansible.builtin.template:
    src: placeholder.html
    dest: /var/cache/munin/www/index.html
    mode: '0644'
    owner: munin
    group: munin
  when: not placeholder.stat.exists
...