- hosts: all
  become: yes
  tags: [never, init]
  vars_files:
    - "vars/vault.yml"

  collections:
    - ansible.builtin.apt
    - ansible.builtin.git
    - ansible.builtin.group
    - ansible.builtin.hostname
    - ansible.builtin.reboot
    - ansible.builtin.user
    - ansible.posix.authorized_key
    - ansible.builtin.lineinfile
    - ansible.builtin.git

  pre_tasks:
    - name: Ensure groups exists
      register: group_exist
      ansible.builtin.group:
        name: "{{ item.groupname }}"
        gid: "{{ item.gid | default(None) }}"
        state: present
      loop: "{{ users }}"

    - name: Add users
      ansible.builtin.user:
        name: "{{ item.username }}"
        uid: "{{ item.uid | default(None) }}"
        group: "{{ item.groupname | default(item.username) }}"
        shell: /bin/bash
        move_home: "{{ item.home | default(None) }}"
        password: "{{ item.password | default(None) }}"
      loop: "{{ users }}"

    - name: Add a ssh key
      ansible.posix.authorized_key:
        user: "{{ users.0.username }}"
        key: "https://github.com/{{ users.0.github }}.keys"

    - name: Change hostname
      when: "set_hostname is defined"
      register: new_hostname
      ansible.builtin.hostname:
        name: "{{ set_hostname }}"

    - name: Change hostname in hosts
      when: new_hostname.changed
      ansible.builtin.lineinfile:
        path: /etc/hosts
        regexp: '^127\.0\.0\.1 localhost'
        line: "127.0.0.1 localhost {{ set_hostname }}"
        owner: root
        group: root
        mode: "0644"

    - name: Reboot the server
      ansible.builtin.reboot:
        msg: "Reboot initiated by Ansible due to hostname change"
        connect_timeout: 5
        reboot_timeout: 300
        pre_reboot_delay: 2
        post_reboot_delay: 30
        test_command: uptime
      when: new_hostname.changed

  roles:
    - role: geerlingguy.ntp
    - role: geerlingguy.security

  tasks:
    - name: Install packages
      ansible.builtin.apt:
        name: "{{ item.name | default(omit) }}"
        state: latest
        default_release: "{{ item.default_release | default(omit) }}"
      with_items:
        - "{{package_list}}"

- hosts: piholes
  vars_files:
    - "vars/vault.yml"
  pre_tasks:
    - name: Checkout pihole
      tags: [never, init, pihole]
      ansible.builtin.git:
        repo: "https://github.com/pi-hole/pi-hole.git"
        clone: yes
        dest: "/home/{{ users.0.username }}/pihole"
        depth: 1

    - name: Checkout pihole_updatelist
      tags: [never, init, pihole]
      ansible.builtin.git:
        repo: "https://github.com/jacklul/pihole-updatelists.git"
        clone: yes
        dest: "/home/{{ users.0.username }}/pihole_updatelist"
        depth: 1

    - name: Get dependencies
      become: yes
      tags: [never, init, pihole]
      ansible.builtin.apt:
        name:
          [
            "dns-root-data",
            "idn2",
            "lighttpd",
            "php-cgi",
            "php-cli",
            "php-curl",
            "php-intl",
            "php-sqlite3",
            "php-xml",
            "sqlite3",
            "unzip",
          ]
        state: latest

  roles:
    - role: pi_updatelist
      tags: [update]
    - role: pi_dnsmasq

- hosts: all
  become: yes
  tags: [update]
  vars_files:
    - "vars/vault.yml"

  tasks:
    # https://www.cyberciti.biz/faq/ansible-apt-update-all-packages-on-ubuntu-debian-linux/
    - name: Update packages
      ansible.builtin.apt:
        update_cache: yes
        force_apt_get: yes
        cache_valid_time: 3600
        upgrade: yes

    - name: Remove ubuntu motd spam
      ansible.builtin.file:
        path: "/etc/update-motd.d/{{ item }}"
        state: absent
      loop:
        - 10-help-text
        - 50-landscape-sysinfo
        - 50-motd-news
        - 80-livepatch
        - 95-hwe-eol
      when: ansible_distribution == 'Ubuntu'

    - name: Check if a reboot is needed for Debian and Ubuntu boxes
      register: reboot_required_file
      stat: path=/var/run/reboot-required get_md5=no

    - name: Reboot the server
      ansible.builtin.reboot:
        msg: "Reboot initiated by Ansible due to kernel updates"
        connect_timeout: 5
        reboot_timeout: 300
        pre_reboot_delay: 0
        post_reboot_delay: 30
        test_command: uptime
      when: reboot_required_file.stat.exists