metno.dns

dns

Configure DNS setup for a Linux server.

Uses systemd-resolved or network-manager if installed, else it removes resolvconf package and configures /etc/resolv.conf directly.

Version

3.0.0 --- Updated for ansible-core 2.16. Removed support for Ubuntu Xenial and Ubuntu Bionic.
2.2.0 --- Added support for Ubuntu 24.04
2.1.2 --- allow Fedora CoreOS 39
2.1.1 --- bug fix, ansible-lint
2.1.0 --- Initial support for Fedora CoreOS, but with no tests
2.0.1 --- bug fix, ansible-lint
2.0.0 --- updated for ansible 2.12.9
1.5.0 --- add RHEL9 + CentOS Stream 8 support
1.4.0 --- add jammy support + remove centos8 support
1.3.0 --- add rhel8 support + remove trusty and centos6
1.2.0 --- remove ubuntu precise from testing
1.1.1 --- fixed lint warnings
1.1.0 --- added ubuntu focal, 20.04
1.0.4 --- tested with Ansible 2.9.11
1.0.3 --- prepare for github
1.0.2 --- fixed always reload of network manger
1.0.1 --- fix run in --check
1.0.0 --- initial version
master --- latest development version

Requirements

This role is limited to:

Ubuntu 20.04
Ubuntu 22.04
Ubuntu 24.04
CentOS 7
CentOS Stream 8
RHEL 8
RHEL 9
Fedora CoreOS 38
Fedora CoreOS 39

Role Variables

dns_servers --- list of IPs for DNS servers, default ['8.8.8.8', '1.1.1.1']
dns_dnssec --- boolean value to enable DNSSEC, default false. DNSSEC is only configured for systemd-resolved.
dns_domains --- list of search domains, default []

Dependencies

None

Example Playbook

Variables are kept in the host_vars or group_vars folder usually. Defining everything in playbook is not recommended. This is just an example.

- hosts: servers
  vars:
  roles:
  - role: dns
    dns_servers:
      - 8.8.8.8
      - 1.1.1.1
    dns_dnssec: true
    dns_domains:
      - foo.lan
      - bar.lan