ansible-dhcpd/tasks/main.yml

---
- name: Include dist_vars
  ansible.builtin.include_tasks: dist_vars.yml
- name: Include install tasks
  ansible.builtin.include_tasks: install.yml

- name: Get list of nameservers configured in /etc/resolv.conf
  ansible.builtin.shell: set -o pipefail &&  grep -E '^nameserver\s' /etc/resolv.conf | awk '{print $2}'
  register: dhcpd_register_nameservers
  changed_when: false
  when: dhcpd_mode == 'server'
  check_mode: false

- name: Convert list of nameservers to Ansible list
  ansible.builtin.set_fact:
    dhcpd_runtime_nameservers: "{{ dhcpd_register_nameservers.stdout_lines }}"
  when: (dhcpd_register_nameservers is defined and dhcpd_register_nameservers.stdout)

- name: Configure DHCP server
  ansible.builtin.template:
    src: "etc/dhcp/dhcpd.conf.j2"
    dest: "/{{ item }}"
    owner: "root"
    group: "root"
    mode: "0644"
  with_items: "{{ dhcpd_templates }}"
  notify: ["Restart dhcp server"]
  register: dhcpd_register_config
  when: dhcpd_mode == 'server'

- name: Make sure that included files exist
  ansible.builtin.file:
    path: "{{ item }}"
    state: "touch"
    owner: "root"
    group: "root"
    mode: "0644"
  with_items: "{{ dhcpd_includes }}"
  notify: ["Restart dhcp server"]
  when: ((item is defined and item) and dhcpd_mode == 'server' and
    (dhcpd_register_config is defined and dhcpd_register_config.changed))

- name: Make sure that IPv6 lease file exists
  ansible.builtin.command: touch /var/lib/dhcp/dhcpd6.leases creates=/var/lib/dhcp/dhcpd6.leases
  when: dhcpd_ipversion == '6'

- name: Include dhcp-probe
  ansible.builtin.include_tasks: dhcp-probe.yml
  when: dhcpd_probe|d() and dhcpd_probe

- name: Enable DHCP4
  ansible.builtin.service:
    name: dhcpd4
    state: started
    enabled: true