Beginning-Ansible-Concepts-and-Application/chapter08/webservers.yml

---
- hosts: webservers
  become: true
  handlers:
    - name: Reload nginx
      service:
        name: nginx
        state: reloaded
      listen: "Reload web services" 

    - name: Validate that the http_port is working
      wait_for:
        host: "{{ ansible_host }}"
        port: "{{ http_port }}"
        timeout: 5
      connection: local
      listen: "Reload web services"

  tasks:
    - name: Ensure nginx is installed
      apt:
        name: nginx
        state: present

    - name: Configure nginx
      template:
        src: nginx-default.j2
        dest: /etc/nginx/sites-available/default
        mode: u=rw,g=r,o=r
      notify: "Reload web services"

    - name: Push website content to the web root
      template:
        src: index.html.j2
        dest: /var/www/html/index.html
        mode: u=rw,g=r,o=r

    - name: Firewall - Allow SSH connections
      ufw:
        rule: allow
        name: OpenSSH

    - name: Firewall - Allow website connections
      ufw:
        rule: allow
        port: "{{ http_port }}"

    - name: Firewall - Deny everything else
      ufw:
        state: enabled
        policy: deny