ansible-role-dhcpd/tasks/main.yaml

---

- name: Check if at least one subnet is defined
  ansible.builtin.assert:
    that:
    - dhcpd_subnets | length > 0
    fail_msg: "No subnet defined"

- name: Include OS-specific variables
  ansible.builtin.include_vars: "{{ lookup('first_found', params) }}"
  vars:
    params:
      files:
      - "{{ ansible_facts['distribution'] }}_{{ ansible_facts['architecture'] }}.yaml"
      - "{{ ansible_facts['distribution'] }}.yaml"
      - "{{ ansible_facts['os_family'] }}_{{ ansible_facts['architecture'] }}.yaml"
      - "{{ ansible_facts['os_family'] }}.yaml"
      - main.yaml
      paths:
      - vars

- name: Install dhcpd with dependencies
  ansible.builtin.package:
    name: "{{ item }}"
    state: present
  with_items:
  - "{{ dhcpd_package_names }}"

- name: Create dhcpd config
  ansible.builtin.template:
    src: "dhcpd.conf.j2"
    dest: "{{ dhcpd_main_config }}"
    owner: "{{ dhcpd_unix_user }}"
    group: "{{ dhcpd_unix_group }}"
    mode: "0644"

- name: Cleanup cache files
  notify: Restart dhcpd
  block:
  - name: Check if cache dir exists
    ansible.builtin.stat:
      path: "{{ dhcpd_cache_directory }}"
    register: cache_stats
  - name: Remove cache dir
    ansible.builtin.file:
      path: "{{ dhcpd_cache_directory }}"
      state: absent
    when: cache_stats.stat.exists
  - name: Create cache dir
    ansible.builtin.file:
      path: "{{ dhcpd_cache_directory }}"
      owner: "{{ dhcpd_unix_user }}"
      group: "{{ dhcpd_unix_group }}"
      mode: "0755"
      state: directory
  - name: Create cache files
    ansible.builtin.file:
      path: "{{ dhcpd_cache_directory }}/{{ item }}"
      owner: "{{ dhcpd_unix_user }}"
      group: "{{ dhcpd_unix_group }}"
      mode: "0644"
      state: touch
    with_items:
    - dhcpd.leases

- name: Start and enable dhcpd
  ansible.builtin.systemd:
    name: "{{ item }}"
    state: started
    enabled: true
  with_items:
  - "{{ dhcpd_service_name }}"