ip_range.yml

---
# ansible-playbook ip_range.yml
# IP range JSON example from: https://docs.aws.amazon.com/general/latest/gr/aws-ip-ranges.html#aws-ip-syntax

- name: Play around with IP address ranges
  hosts: localhost
  connection: local
  become: false
  gather_facts: false
  vars:
    input: "{{ lookup('file','files/ip_addresses.json') | from_json }}"
    test_list: ['192.0.2.18', 'host.fqdn', '::1', '192.168.32.0/24', 'fe80::100/10',
                '2001:db8:cafe::f00/64', true, '', '42540766412265424405338506004571095040/64']

  tasks:
    - name: Create IPv4 List
      set_fact:
        ipv4_list: "{{ input.prefixes }}"

    - name: Create IPv6 List
      set_fact:
        ipv6_list: "{{ input.ipv6_prefixes }}"

    - name: TEST 1
      block:
        - name: Loop over IPv4 addresses
          debug:
            msg: "{{ item.ip_prefix }}"
          with_items: "{{ ipv4_list }}"

    - name: TEST 2
      block:
        - name: Print first and last ip of an IPv4 range (query by index number)
          debug:
            msg: "{{ item.ip_prefix | ipaddr('1') | ipv4('address') }}-{{ item.ip_prefix | ipaddr('-1') | ipv4('address') }}"
          with_items: "{{ ipv4_list }}"

    - name: TEST 3
      block:
        - name: Print first and last ip of an IPv6 range (query by index number)
          debug:
            msg: "{{ item.ipv6_prefix | ipaddr('1') | ipv6('address') }}-{{ item.ipv6_prefix | ipaddr('-1') | ipv6('address') }}"
          with_items: "{{ ipv6_list }}"

    - name: TEST 4
      block:
        - name: Check if values in 'test_list' are in the range of an IPv4 prefix
          debug:
            msg: "{{ test_list | ipaddr(item.ip_prefix) }}"
          with_items: "{{ ipv4_list }}"

    - name: TEST 5
      block:
        - name: Check if values in 'test_list' are in the range of an IPv6 prefix
          debug:
            msg: "{{ test_list | ipaddr(item.ipv6_prefix) }}"
          with_items: "{{ ipv6_list }}"