vm-ansible/roles/webserver/tasks/main.yaml

---
- name: "Install Nginx via apt"
  apt:
    update_cache: yes
    state: present
    name:
     - nginx

- name: Copy default nginx config
  ansible.builtin.copy:
    src: nginx.conf
    dest: /etc/nginx/nginx.conf
    owner: root
    group: root
    mode: '0644'

- name: Enable and restart nginx daemon
  service:
    name: nginx
    state: restarted
    enabled: yes

- name: "Generate nginx configuration"
  ansible.builtin.template:
    src: nginx.conf
    dest: /etc/nginx/nginx.conf
    owner: root
    group: root
    mode: '0644'

- name: Reload nginx daemon
  service:
    name: nginx
    state: reloaded

- name: "Install nginx exporter"
  apt:
    update_cache: yes
    state: present
    name:
     - prometheus-nginx-exporter

- name: Allow nginx exporter via ufw
  community.general.ufw:
    rule: allow
    port: 9113
    proto: tcp
    src: 192.168.69.0/24

- name: Copy default nginx config
  ansible.builtin.copy:
    src: prometheus-nginx-exporter
    dest: /etc/default/prometheus-nginx-exporter
    owner: root
    group: root
    mode: '0644'

- name: Enable and restart exporter daemon
  service:
    name: prometheus-nginx-exporter
    state: restarted
    enabled: yes

- name: Allow https port via ufw
  community.general.ufw:
    rule: allow
    port: https
    src: 192.168.69.0/24
...