---
- name: Set facts variables
  tags:
    - always
  block:
    - name: Gather ansible_default_ipv4
      setup:
        gather_subset: '!all,network'
        filter: "ansible_default_ipv4"
      when: ansible_default_ipv4 is not defined
      ignore_unreachable: true
      # Set 127.0.0.1 as fallback IP if we do not have host facts for host
      # ansible_default_ipv4 isn't what you think.
      # https://medium.com/opsops/ansible-default-ipv4-is-not-what-you-think-edb8ab154b10
      # TODO: discard this and update all the location relying on it in "looping on hostvars" templates
    - name: Set fallback_ip
      set_fact:
        fallback_ip: "{{ ansible_default_ipv4.address | d('127.0.0.1') }}"
      when: fallback_ip is not defined

    - name: Gather ansible_default_ipv6
      setup:
        gather_subset: '!all,network'
        filter: "ansible_default_ipv6"
      when: ansible_default_ipv6 is not defined
      ignore_unreachable: true
    - name: Set fallback_ip6
      set_fact:
        fallback_ip6: "{{ ansible_default_ipv6.address | d('::1') }}"
      when: fallback_ip6 is not defined

    - name: Set main access ip(access_ip based on ipv4_stack/ipv6_stack options).
      set_fact:
        cacheable: true
        main_access_ip: >-
          {%- if ipv4_stack -%}
          {{ access_ip | default(ip | default(fallback_ip)) }}
          {%- else -%}
          {{ access_ip6 | default(ip6 | default(fallback_ip6)) }}
          {%- endif -%}

    - name: Set main ip(ip based on ipv4_stack/ipv6_stack options).
      set_fact:
        cacheable: true
        main_ip: "{{ (ip | default(fallback_ip)) if ipv4_stack else (ip6 | default(fallback_ip6)) }}"

    - name: Set main access ips(mixed ips for dualstack).
      set_fact:
        main_access_ips: ["{{ (main_access_ip + ',' + (access_ip6 | default(ip6 | default(fallback_ip6)))) if (ipv4_stack and ipv6_stack) else main_access_ip }}"]

    - name: Set main ips(mixed ips for dualstack).
      set_fact:
        main_ips: ["{{ (main_ip + ',' + (ip6 | default(fallback_ip6))) if (ipv4_stack and ipv6_stack) else main_ip }}"]

    - name: Set no_proxy
      import_tasks: no_proxy.yml
      when:
        - http_proxy is defined or https_proxy is defined
        - no_proxy is not defined