- name: Check if unzip is installed
  command: unzip -v  # noqa command-instead-of-module
  failed_when: false
  register: _unzip_probe

- name: Install unzip
  when: _unzip_probe.rc != 0
  package:
    name: unzip
  become: yes

- name: Get terraform checksums
  uri:
    url: "{{ hashicorp_releases_fqdn }}/\
          terraform/{{ terraform_version }}/terraform_{{ terraform_version }}_SHA256SUMS"
    return_content: true
  register: terraform_version_checksums

- name: Set terraform checksum
  set_fact:
    terraform_checksum: "{{ \
        terraform_version_checksums.content | \
        regex_search( '[a-z0-9]+  ' + terraform_package) | \
        regex_replace( '(?P<checksum>[a-z0-9]+)  ' + terraform_package, '\\g<checksum>')
      }}"

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

- name: Download terraform archive
  get_url:
    url: "{{ hashicorp_releases_fqdn }}/\
      terraform/{{ terraform_version }}/{{ terraform_package }}.zip"
    dest: "{{ terraform_install_tempdir.path }}/{{ terraform_package }}.zip"
    checksum: "sha256:{{ terraform_checksum }}"

- name: Create terraform package directory
  file:
    path: "{{ terraform_install_tempdir.path }}/{{ terraform_package }}"
    state: directory
    mode: 0755

- name: Unarchive terraform
  unarchive:
    src: "{{ terraform_install_tempdir.path }}/{{ terraform_package }}.zip"
    dest: "{{ terraform_install_tempdir.path }}/{{ terraform_package }}"
    remote_src: yes

- name: Make sure installation directory exists
  file:
    path: "{{ terraform_install_dir }}"
    state: directory
    mode: 0755

- name: Install terraform
  copy:
    src: "{{ terraform_install_tempdir.path }}/{{ terraform_package }}/terraform"
    dest: "{{ terraform_install_dir }}/terraform"
    mode: 0755
    owner: "{{ ansible_user }}"
    remote_src: yes

- name: Remove tempdir
  file:
    path: "{{ terraform_install_tempdir }}"
    state: absent

- name: Set terraform executable fact
  set_fact:
    terraform_executable: "{{ terraform_install_dir }}/terraform"
    cacheable: true

- name: Output terraform version
  command: "{{ terraform_executable }} version"