iiab/roles/network/tasks/dhcpd.yml

- name: Install dhcp package (debuntu)
  package:
    name: isc-dhcp-server
    state: present
  when: is_debuntu

- name: Install dhcp package (not debuntu)
  package:
    name: dhcp
    state: present
  when: not is_debuntu

- name: Create non-privileged user 'dhcpd' (debuntu)
  user:
    name: dhcpd
    createhome: no
  when: is_debuntu

- name: Disable stock dhcp_service (debuntu)
  service:
    name: "{{ dhcp_service }}"
    enabled: no
    state: stopped
  when: is_debuntu

- name: Disable stock dhcp_service ipv6 (ubuntu-18 and higher)
  service:
    name: "{{ dhcp_service }}6"
    enabled: no
    state: stopped
  when: is_ubuntu and not is_ubuntu_16
  #when: is_ubuntu_18

- name: Install systemd unit file to /etc/systemd/system/dhcpd.service
  template:
    src: roles/network/templates/dhcp/dhcpd.service
    dest: /etc/systemd/system/dhcpd.service
    # owner: root
    # group: root
    # mode: '0644'

- name: Create file /var/lib/dhcpd/dhcpd.leases (redhat)
  command: touch /var/lib/dhcpd/dhcpd.leases
  args:
    creates: /var/lib/dhcpd/dhcpd.leases
  when: is_redhat

- name: Set dhcpd.leases permissions/ownership (redhat)
  file:
    path: /var/lib/dhcpd/dhcpd.leases
    owner: dhcpd
    group: dhcpd
    mode: '0644'
    # state: file
  when: is_redhat

- name: "Add 'dhcpd_installed: True' to {{ iiab_state_file }}"
  lineinfile:
    path: "{{ iiab_state_file }}"    # /etc/iiab/iiab_state.yml
    regexp: '^dhcpd_installed'
    line: 'dhcpd_installed: True'