roles/dns-configure/tasks/main.yml

# Copyright 2017-present Open Networking Foundation
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# Licensed under the Apache License, Version 2.0 (the "License");
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# http://www.apache.org/licenses/LICENSE-2.0
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---
# roles/dns-configure/tasks.yml

- name: Make sure resolvconf is doing DNS resolver mangling
  apt:
    name: resolvconf
    update_cache: yes
    cache_valid_time: 3600

- name: Create resolvconf configuration files
  template:
    src: "{{ item }}.j2"
    dest: "/etc/resolvconf/resolv.conf.d/{{ item }}"
    mode: 0644
    owner: root
    group: root
  with_items:
    - base
    - head
  register: resolvconf_configured

- name: Tell resolvconf to refresh /etc/resolv.conf file if changed
  become: yes
  command: resolvconf -u
  when: resolvconf_configured.changed
  tags:
   - skip_ansible_lint # needs to run before the DNS check which happens next, so can't be a handler

- name: Check that VM's can be found in DNS
  shell: "dig +short {{ item.name }}.{{ site_suffix }} | grep {{ item.ipv4_last_octet }}"
  with_items: "{{ head_lxd_list }}"
  tags:
   - skip_ansible_lint # purely a way to pass/fail config done so far. Ansible needs a "dns_query" module