- name: Check installed go version
  command: go version
  register: go_installed_version
  environment:
    PATH: "{{ ansible_env.PATH }}:{{ go_install_dir }}/go/bin"
  ignore_errors: yes

- name: Skip if correct version of go is installed
  meta: end_host
  when:
    - go_installed_version.rc == 0
    - go_version == (go_installed_version.stdout|regex_replace(go_version_pattern, '\\g<version>'))
    - go_os == (go_installed_version.stdout|regex_replace(go_version_pattern, '\\g<os>'))
    - go_arch == (go_installed_version.stdout|regex_replace(go_version_pattern, '\\g<arch>'))

- name: Create temp directory
  tempfile:
    state: directory
  register: go_archive_tempdir

- name: Get archive checksum
  uri:
    url: "https://dl.google.com/go/go{{ go_version }}.{{ go_os }}-{{ go_arch }}.tar.gz.sha256"
    return_content: true
  register: go_archive_checksum


- name: Download go archive
  get_url:
    url: "https://dl.google.com/go/go{{ go_version }}.{{ go_os }}-{{ go_arch }}.tar.gz"
    dest: "{{ go_archive_tempdir.path }}/go{{ go_version }}.{{ go_os }}-{{ go_arch }}.tar.gz"
    checksum: "sha256:{{ go_archive_checksum.content }}"

- name: Install go
  unarchive:
    src: "{{ go_archive_tempdir.path }}/go{{ go_version }}.{{ go_os }}-{{ go_arch }}.tar.gz"
    dest: "{{ go_install_dir }}"
    remote_src: yes
  become: true