---
- name: Ensure Stubby is installed
  package:
    name: stubby
    state: "{{ app_state | default('present') }}"

- name: Ensure custom facts directory exists
  file:
    mode: 0755
    path: /etc/ansible/facts.d
    state: directory

- name: "Ensure {{ hostctl_src_dir }} directory exists"
  file:
    path: "{{ hostctl_src_dir }}"
    state: directory
    mode: 0755

- name: Detect the latest hostctl version
  uri:
    url: https://api.github.com/repos/guumaster/hostctl/releases/latest
  register: hostctl_latest_release_tag

- name: Determine whether or not the latest version of hostctl is already installed
  set_fact:
    install_hostctl: "{{ (ansible_local.hostctl is not defined) or \
      ((ansible_local.hostctl is defined) and \
      (ansible_local['hostctl']['settings']['version'] != hostctl_latest_release_tag.json.tag_name | replace('v',''))) }}"

- name: Fetch CHECKSUMS file of hostctl installer
  uri:
    url: "https://github.com/guumaster/hostctl/releases/download/{{ hostctl_latest_release_tag.json.tag_name }}/\
      hostctl_{{ hostctl_latest_release_tag.json.tag_name | replace('v','') }}_checksums.txt"
    return_content: true
  register: hostctl_checksum_file
  when: install_hostctl

- name: Find the Checksum of hostctl installer
  set_fact:
    hostctl_checksum: "{{ hostctl_checksum_file.content | regex_search('.*hostctl_((\\d*.)*\\d*)_linux_64-bit.tar.gz') | \
      regex_replace('  hostctl_((\\d*.)*\\d*)_linux_64-bit.tar.gz','') }}"
  when: install_hostctl

- name: Acquire hostctl's latest installer
  get_url:
    url: "https://github.com/guumaster/hostctl/releases/download/{{ hostctl_latest_release_tag.json.tag_name }}/\
      hostctl_{{ hostctl_latest_release_tag.json.tag_name | replace('v','') }}_linux_64-bit.tar.gz"
    dest: "{{ hostctl_src_dir }}/hostctl_{{ hostctl_latest_release_tag.json.tag_name | replace('v','') }}_linux_64-bit.tar.gz"
    checksum: "sha256:{{ hostctl_checksum }}"
  when: install_hostctl

- name: Ensure older version of hostctl is uninstalled
  file:
    path: /usr/local/bin/hostctl
    state: absent
  when: install_hostctl

- name: Ensure hostctl is installed
  unarchive:
    src: "{{ hostctl_src_dir }}/hostctl_{{ hostctl_latest_release_tag.json.tag_name | replace('v','') }}_linux_64-bit.tar.gz"
    dest: /usr/local/bin
    remote_src: true
    exclude:
      - LICENSE
      - README.md
  when: install_hostctl

- name: Ensure hostctl's source is removed
  file:
    path: "{{ hostctl_src_dir }}/hostctl_{{ hostctl_latest_release_tag.json.tag_name | replace('v','') }}_linux_64-bit.tar.gz"
    state: absent
  when: install_hostctl

- name: Save meta information about the version of hostctl that was installed
  community.general.ini_file:
    path: /etc/ansible/facts.d/hostctl.fact
    mode: 0644
    section: settings
    option: version
    value: "{{ hostctl_latest_release_tag.json.tag_name | replace('v','') }}"
    backup: true
    no_extra_spaces: true
  when: install_hostctl