Remove support for Ubuntu < 14.04

tasks/plain-iptables.yml

@@ -3,23 +3,14 @@
   - name: Install the needed iptables packages
     apt: pkg={{ iptables_deb_pkgs }} state=present cache_valid_time=1800
 
-  - name: Create the /etc/iptables directory when needed
-    file: dest=/etc/iptables state=directory owner=root group=root mode=0755
-    when: is_ubuntu_between_10_04_and_11_04_and_is_debian_6
-    
-  - name: Install the IPv4 rules with a different name. Needed by Ubuntu < 12.04
-    template: src=iptables-{{ item }}.j2 dest=/etc/iptables/rules owner=root group=root mode=0640
-    with_items:
-      - rules.v4
-    when: is_ubuntu_between_10_04_and_11_04_and_is_debian_6
-    notify: Start the iptables service on Ubuntu < 12.04
-
   - name: Install the IPv4 and IPv6 iptables rules. The IPv6 ones are not used. On trusty
     template: src=iptables-{{ item }}.j2 dest=/etc/iptables/{{ item }} owner=root group=root mode=0640
     with_items:
       - rules.v4
       - rules.v6
-    when: is_trusty
+    when:
+      - ansible_distribution == 'Ubuntu'
+      - ansible_distribution_version is version_compare('14.04', '==')
     register: install_iptables_rules_trusty
 
   - name: Install the IPv4 and IPv6 iptables rules. The IPv6 ones are not used. On debian 7
@@ -105,3 +96,4 @@
       - restart_related_x is changed 
 
   tags: [ 'iptables', 'iptables_rules' ]
+