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---
# 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.
# Thanks https://medium.com/opsops/ansible-default-ipv4-is-not-what-you-think-edb8ab154b10
- name: Gather ansible_default_ipv4 from all hosts or specific hosts
setup:
gather_subset: '!all,network'
filter: "ansible_default_ipv4"
delegate_to: "{{ item }}"
delegate_facts: true
when: hostvars[item].ansible_default_ipv4 is not defined
loop: "{{ (ansible_play_hosts_all + [groups['kube_control_plane'][0]]) | unique if ansible_limit is defined else (groups['k8s_cluster'] | default([]) + groups['etcd'] | default([]) + groups['calico_rr'] | default([])) | unique }}"
run_once: true
ignore_unreachable: true
tags: always
- name: Create fallback_ips_base
set_fact:
fallback_ips_base: |
---
{% set search_hosts = (ansible_play_hosts_all + [groups['kube_control_plane'][0]]) | unique if ansible_limit is defined else (groups['k8s_cluster'] | default([]) + groups['etcd'] | default([]) + groups['calico_rr'] | default([])) | unique %}
{% for item in search_hosts %}
{% set found = hostvars[item].get('ansible_default_ipv4') %}
{{ item }}: "{{ found.get('address', '127.0.0.1') }}"
{% endfor %}
delegate_to: localhost
connection: local
delegate_facts: true
become: false
run_once: true
- name: Set fallback_ips
set_fact:
fallback_ips: "{{ hostvars.localhost.fallback_ips_base | from_yaml }}"
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