iptables-legacy for Raspian Buster

    - ansible_facts.architecture is search("arm")

  register: boot_cmdline

- name: Flush iptables before changing iptables-legacy

  shell:

    cmd: 'iptables -F'

  register: flush_iptables

  changed_when:

    - flush_iptables.rc == 0 and flush_iptables.stdout != ""

  when:

    - ansible_facts.distribution_release is search("buster")

- name: Changing to iptables-legacy for Raspbian Buster

  alternatives:

    path: /usr/sbin/iptables-legacy

    name: iptables

  register: ip6_legacy

  when:

    - ansible_facts.distribution_release is search("buster")

- name: Changing to ip6tables-legacy for Raspbian Buster

  alternatives:

    path: /usr/sbin/ip6tables-legacy

    name: ip6tables

  register: ip4_legacy

  when:

    - ansible_facts.distribution_release is search("buster")

- name: Rebooting on Raspbian

  reboot:

  when:

    - boot_cmdline is changed

    - ansible_facts.architecture is search("arm")

    - ip6_legacy is changed

    - ip4_legacy is changed