pihole/tasks/main.yml

---
- name: Set OS dependent variables
  ansible.builtin.include_vars: "{{ lookup('first_found', params) }}"
  vars:
    params:
      files:
        - "{{ ansible_distribution | lower }}_{{ ansible_distribution_version | lower }}.yml"
        - "{{ ansible_distribution | lower }}_{{ ansible_distribution_major_version | lower }}.yml"
        - "{{ ansible_distribution | lower }}.yml"
        - "{{ ansible_os_family | lower }}.yml"
        - "{{ ansible_system | lower }}.yml"
      paths:
        - '{{ role_path }}/vars'
  ignore_errors: True

- name: OS is supported
  ansible.builtin.assert:
    that: __os_supported
    quiet: True
  vars:
    __os_supported: "{{ lookup('vars', '{}_os_supported'.format(role_name)) | bool }}"

- name: Install unbound DNS resolver
  apt:
    name: unbound
    state: latest

- name: Set unbound config file
  template:
    src: unbound.conf.j2
    dest: /etc/unbound/unbound.conf.d/default.conf

- name: Restart unbound
  service:
    name: unbound
    state: restarted

- name: Check whether pi-hole is installed
  stat:
    path: "{{ pihole_config_dir }}"
  register: pihole_dir

- name: Clone the pi-hole repo
  ansible.builtin.git:
    repo: https://github.com/pi-hole/pi-hole.git
    depth: 1
    dest: "{{ pihole_download_dir }}"
    version: master
  when: not pihole_dir.stat.exists

- name: Set setupVars.conf
  template:
    src: setupVars.conf.j2
    dest: "{{ pihole_config_dir }}setupVars.conf"
    owner: root
    mode: 0400
  when: not pihole_dir.stat.exists

# pihole unattented install only works if /etc/pihole/setupVars.conf already exists
# debug tip: keep track of the install progress by tailing the log-file
- name: Run pi-hole install script
  ansible.builtin.shell: "'{{ pihole_download_dir }}automated install/basic-install.sh' --unattended >> {{ ansible_env.HOME }}/pihole_install.log"
  args:
    warn: false
  when: not pihole_dir.stat.exists

- name: Set custom dnsmasq options
  template:
    src: dnsmasq.conf.j2
    dest: /etc/dnsmasq.d/10-custom.conf

- name: Set admin password
  shell: "pihole -a -p {{ pihole_admin_password }}"

- name: Set local DNS entries
  template:
    src: custom.list.j2
    dest: "{{ pihole_config_dir }}custom.list"
    owner: root
    mode: 0664

- name: Restart pihole
  become: yes
  shell: "pihole restartdns"