Update to 2021-12-01 19:13

roles/iptables/tasks/install_Debian.yml

@@ -0,0 +1,16 @@
+---
+
+- name: Install packages
+  apt: name=iptables-persistent
+  tags: firewall
+
+- name: Use iptables-legacy
+  alternatives:
+    name: "{{ item.key }}"
+    path: "{{ item.value }}"
+  with_dict:
+    iptables: /usr/sbin/iptables-legacy
+    ip6tables: /usr/sbin/ip6tables-legacy
+  when: ansible_distribution_major_version | int >= 10
+  tags: firewall
+

roles/iptables/tasks/install_RedHat.yml

@@ -0,0 +1,10 @@
+---
+
+- name: Remove firewalld
+  yum: name=firewalld state=absent
+  tags: firewall
+
+- name: Install packages
+  yum: name=iptables-services
+  tags: firewall
+

roles/iptables/tasks/main.yml

@@ -0,0 +1,36 @@
+---
+
+- include: install_{{ ansible_os_family }}.yml
+
+- name: Set custom iptables rules
+  iptables_raw:
+    name: "iptables_custom_rules_{{ item.name }}"
+    rules: "{{ item.rules }}"
+    state: "{{ item.state | default('present') }}"
+    weight: "{{ item.weight | default(omit) }}"
+    table: "{{ item.table | default(omit) }}"
+  loop: "{{ iptables_custom_rules }}"
+  tags: firewall
+
+- name: Set default iptables head rules
+  iptables_raw:
+    name: iptables_default_head
+    weight: 10
+    keep_unmanaged: "{{ iptables_keep_unmanaged }}"
+    state: present
+    rules: "{{ iptables_default_head }}"
+  tags: firewall,ssh
+
+- name: Set default iptables tail rules
+  iptables_raw:
+    name: iptables_default_tail
+    weight: 99
+    keep_unmanaged: "{{ iptables_keep_unmanaged }}"
+    state: "{{ (iptables_default_tail != '' ) | ternary('present', 'absent') }}"
+    rules: "{{ iptables_default_tail }}"
+  tags: firewall
+
+- name: Enable iptable service
+  service: name=iptables state=started enabled=yes
+  when: ansible_os_family == 'RedHat'
+  tags: firewall