---
- name: Check Kea dhcp4 installation
  ansible.builtin.shell: |
    command -v kea-dhcp4
  become: true # kea-dhcp4 is located in /usr/sbin, which means root permission is needed.
  changed_when: false
  failed_when: false
  register: "is_kea4_installed"
  ignore_errors: true

- name: Install kea dhcp 4
  ansible.builtin.apt:
    name:
      - "kea-dhcp4-server"
    state: "present"
  become: true
  when: is_kea4_installed.rc != 0

- name: Deploy kea dhcp4 conf
  ansible.builtin.template:
    src: "{{ hostvars['console']['node']['config_path'] }}/services/systemd/fw/kea/kea-dhcp4.conf.j2"
    dest: "/etc/kea/kea-dhcp4.conf"
    owner: "_kea"
    group: "_kea"
    mode: "0600"
  become: true
  notify: "notification_restart_kea4"

- name: Create kea-dhcp-server.service.d
  ansible.builtin.file:
    path: "/etc/systemd/system/kea-dhcp4-server.service.d"
    state: "directory"
    owner: "root"
    group: "root"
    mode: "0755"
  become: true

- name: Set kea-dhcp-server.service.d/override.conf
  ansible.builtin.copy:
    dest: "/etc/systemd/system/kea-dhcp4-server.service.d/override.conf"
    content: |
      [Service]
      Restart=always
      RestartSec=60
    owner: "root"
    group: "root"
    mode: "0644"
  become: true
  notify:
    - "notification_restart_kea4"

- name: Enable kea service
  ansible.builtin.systemd:
    name: "kea-dhcp4-server.service"
    state: "started"
    enabled: true
  become: true