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

- name: Detect the latest kubeval version
  uri:
    url: https://api.github.com/repos/instrumenta/kubeval/releases/latest
  register: kubeval_latest_release_tag

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

- name: Fetch CHECKSUMS file of kubeval installer
  uri:
    url: "https://github.com/instrumenta/kubeval/releases/download/{{ kubeval_latest_release_tag.json.tag_name }}/checksums.txt"
    return_content: true
  register: kubeval_checksum_file
  when: install_kubeval

- name: Find the Checksum of kubeval installer
  set_fact:
    kubeval_checksum: "{{ kubeval_checksum_file.content | regex_search('.*kubeval-linux-amd64.tar.gz') | \
      regex_replace('  kubeval-linux-amd64.tar.gz','') }}"
  when: install_kubeval

- name: Acquire kubeval's latest installer
  get_url:
    url: "https://github.com/instrumenta/kubeval/releases/download/{{ kubeval_latest_release_tag.json.tag_name }}/kubeval-linux-amd64.tar.gz"
    dest: "/tmp/kubeval-linux-amd64.tar.gz"
    checksum: "sha256:{{ kubeval_checksum }}"
  when: install_kubeval

- name: Ensure kubeval is installed
  unarchive:
    src: "/tmp/kubeval-linux-amd64.tar.gz"
    dest: /usr/local/bin
    remote_src: true
    exclude:
      - README.md
      - LICENSE
    extra_opts:
      - --strip-components=1
  when: install_kubeval

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