roles/dhcpd/tasks/main.yml

---
# dhcpd/tasks/main.yml

- name: Install dhcpd
  apt:
    name: "{{ item }}"
    update_cache: yes
    cache_valid_time: 3600
  with_items:
    - isc-dhcp-server

- name: Create /etc/dhcp/dhcpd.conf from template
  template:
    src: dhcpd.conf.j2
    dest: /etc/dhcp/dhcpd.conf
    mode: "0644"
    owner: root
    group: root
    #    validate: 'dhcpd -t -cf %s'
  notify:
    - restart-dhcpd

- name: Set interfaces for dhcpd to listen on
  template:
    src: isc-dhcp-server.j2
    dest: /etc/default/isc-dhcp-server
    mode: "0644"
    owner: root
    group: root
  notify:
    - restart-dhcpd