--- # 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 tags: always include_tasks: fallback_ips_gather.yml when: hostvars[delegate_host_to_gather_facts].ansible_default_ipv4 is not defined loop: "{{ groups['all'] }}" loop_control: loop_var: delegate_host_to_gather_facts run_once: yes - name: create fallback_ips_base set_fact: fallback_ips_base: | --- {% for item in (groups['k8s-cluster']|default([]) + groups['etcd']|default([]) + groups['calico-rr']|default([]))|unique %} {% set found = hostvars[item].get('ansible_default_ipv4') %} {{ item }}: "{{ found.get('address', '127.0.0.1') }}" {% endfor %} delegate_to: localhost connection: local delegate_facts: yes become: no run_once: yes - name: set fallback_ips set_fact: fallback_ips: "{{ hostvars.localhost.fallback_ips_base | from_yaml }}"