roles/common/tasks/firewall.yml


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- name: Install some packages required for the firewall
  apt: pkg={{ item }}
  with_items:
    - iptables
    - netmask
    - bsdutils

- name: Create directory /etc/iptables
  file: path=/etc/iptables
        owner=root group=root
        state=directory
        mode=0755

- name: Generate /etc/iptables/services
  template: src=etc/iptables/services.j2
            dest=/etc/iptables/services
            owner=root group=root
            mode=0600

- name: Copy /usr/local/sbin/update-firewall.sh
  copy: src=usr/local/sbin/update-firewall.sh
        dest=/usr/local/sbin/update-firewall.sh
        owner=root group=root
        mode=0755

- name: Ensure the firewall is up to date
  command: /usr/local/sbin/update-firewall.sh -c
  register: rv
  changed_when: rv.rc
  notify:
    - Unsafe firewall update

- name: Make the iptable ruleset persistent
  copy: src=etc/network/if-pre-up.d/iptables
        dest=/etc/network/if-pre-up.d/iptables
        owner=root group=root
        mode=0755