bench/playbooks/production/setup_firewall.yml

- name: Setup Firewall
  user: root
  hosts: localhost

  tasks:
      # For CentOS
    - name: Enable SELinux
      selinux: policy=targeted state=permissive

    - name: Install firewalld
      yum: name=firewalld state=present
      when: ansible_distribution == 'CentOS'

    - name: Enable Firewall
      service: name=firewalld state=started enabled=yes
      when: ansible_distribution == 'CentOS'

    - name: Add firewall rules
      firewalld: port={{ item }}/tcp permanent=true state=enabled
      with_items:
        - 80
        - 443
        - "{{ ssh_port }}"
      when: ansible_distribution == 'CentOS'

    - name: Restart Firewall
      service: name=firewalld state=restarted enabled=yes
      when: ansible_distribution == 'CentOS'

      # For Ubuntu / Debian
    - name: Install ufw
      apt: name=ufw state=present
      when: ansible_distribution == 'Ubuntu' or ansible_distribution == 'Debian'

    - name: Enable Firewall
      ufw: state=enabled policy=deny
      when: ansible_distribution == 'Ubuntu' or ansible_distribution == 'Debian'

    - name: Add firewall rules
      ufw: rule=allow proto=tcp port={{ item }}
      with_items:
        - 80
        - 443
        - "{{ ssh_port }}"
      when: ansible_distribution == 'Ubuntu' or ansible_distribution == 'Debian'