ffdo-ansible-l2tp/roles/iptables/tasks/main.yml

---
- name: Install iptables-persistent
  apt:
    pkg: "iptables-persistent"
    update_cache: yes
    state: present

- name: Get IPv4-DNS-servers
  shell: grep '^nameserver' /etc/resolv.conf|sed -e 's/.*nameserver *//' -e 's/#.*//'|grep -v ':' || true
  register: v4dns
  check_mode: no
  changed_when: false

- name: Set IPv4-DNS-servers as fact
  set_fact:
     v4dnsips: "{{ v4dns.stdout_lines }}"
  when: v4dns.stdout != ""

- name: Create rules.v4 file
  template: src=rules.v4.j2 dest=/etc/iptables/rules.v4
  notify:
   - iptables-restore

- name: Get IPv6-DNS-servers
  shell: grep '^nameserver' /etc/resolv.conf|sed -e 's/.*nameserver *//' -e 's/#.*//'|grep ':' || true
  register: v6dns
  check_mode: no
  changed_when: false

- name: Set IPv6-DNS-servers as fact
  set_fact:
     v6dnsips: "{{ v6dns.stdout_lines }}"
  when: v6dns.stdout != ""

- name: Create rules.v6 file
  template: src=rules.v6.j2 dest=/etc/iptables/rules.v6
  notify:
   - ip6tables-restore