---
- hosts: all
  become: true

  roles:
    - role: .
      firewall_v4_group_rules:
        400 allow http:
          - -A INPUT -p tcp --dport http -j ACCEPT
        400 allow 7890:
          - -A INPUT -p tcp --dport 7890 -j ACCEPT
      firewall_v4_host_rules:
        400 allow 7890: []

  tasks:
    - name: Retrieve v4 rules
      command: iptables -L -n
      changed_when: false
      register: v4_rules
      when: not ansible_check_mode
    - name: Check that INPUT policy has been applied
      assert:
        that: "'Chain INPUT (policy DROP' in v4_rules.stdout"
      when: not ansible_check_mode
    - name: Check that a default rule has been applied
      assert:
        that: "'tcp dpt:22' in v4_rules.stdout"
      when: not ansible_check_mode
    - name: Check that a group rule has been applied
      assert:
        that: "'tcp dpt:80' in v4_rules.stdout"
      when: not ansible_check_mode
    - name: Check that deleted rules are deleted
      assert:
        that: "'tcp dpt:7890' not in v4_rules.stdout"
      when: not ansible_check_mode