kubespray/roles/kubernetes/preinstall/tasks/0063-networkmanager-dns.yml

---
- name: NetworkManager | Add nameservers to NM configuration
  community.general.ini_file:
    path: /etc/NetworkManager/conf.d/dns.conf
    section: global-dns-domain-*
    option: servers
    value: "{{ nameserverentries }}"
    mode: '0600'
    backup: yes
  notify: Preinstall | update resolvconf for networkmanager

- name: set default dns if remove_default_searchdomains is false
  set_fact:
    default_searchdomains: ["default.svc.{{ dns_domain }}", "svc.{{ dns_domain }}"]
  when: not remove_default_searchdomains|default()|bool or (remove_default_searchdomains|default()|bool and searchdomains|default([])|length==0)

- name: NetworkManager | Add DNS search to NM configuration
  community.general.ini_file:
    path: /etc/NetworkManager/conf.d/dns.conf
    section: global-dns
    option: searches
    value: "{{ (default_searchdomains|default([]) + searchdomains|default([])) | join(',') }}"
    mode: '0600'
    backup: yes
  notify: Preinstall | update resolvconf for networkmanager

- name: NetworkManager | Add DNS options to NM configuration
  community.general.ini_file:
    path: /etc/NetworkManager/conf.d/dns.conf
    section: global-dns
    option: options
    value: "ndots:{{ ndots }},timeout:{{ dns_timeout|default('2') }},attempts:{{ dns_attempts|default('2') }}"
    mode: '0600'
    backup: yes
  notify: Preinstall | update resolvconf for networkmanager