---
# Copyright (c) Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later


# This block checks and registers Terraform version of the binary found in path.

- name: Check for existing Terraform in path
  block:
  - name: Check if terraform is present in path
    command: "command -v terraform"
    register: terraform_binary_path
    ignore_errors: true

  - name: Check Terraform version
    command: terraform version
    register: terraform_version_output
    when: terraform_binary_path.rc == 0

  - name: Set terraform version
    set_fact:
      terraform_version_installed: "{{ terraform_version_output.stdout | regex_search('(?!Terraform.*v)([0-9]+\\.[0-9]+\\.[0-9]+)') }}"
    when: terraform_version_output.changed

# This block handles the tasks of installing the Terraform binary. This happens if there is no existing
# terraform in $PATH OR version does not match `terraform_version`.

- name: Execute Terraform install tasks
  block:

  - name: Install Terraform
    debug:
      msg: "Installing terraform {{ terraform_version }}, found: {{ terraform_version_installed | default('no terraform binary found') }}."

  - name: Ensure unzip is present
    ansible.builtin.package:
      name: unzip
      state: present

  - name: Install Terraform binary
    unarchive:
      src: "{{ terraform_url }}"
      dest: "{{ remote_tmp_dir }}"
      mode: 0755
      remote_src: yes
      validate_certs: "{{ validate_certs }}"

  when: terraform_version_installed is not defined or terraform_version_installed != terraform_version

# This sets `terraform_binary_path` to coalesced output of first non-empty string in this order:
# path from the 'Check if terraform is present in path' task, and lastly, the fallback path.

- name: Set path to terraform binary
  set_fact:
    terraform_binary_path: "{{ terraform_binary_path.stdout or remote_tmp_dir ~ '/terraform' }}"

- name: Create terraform project directory
  file:
    path: "{{ terraform_project_dir }}/{{ item['name'] }}"
    state: directory
    mode: 0755
  loop: "{{ terraform_provider_versions }}"
  loop_control:
    index_var: provider_index

- name: Loop over provider upgrade test tasks
  include_tasks: test_provider_upgrade.yml
  vars:
    tf_provider: "{{ terraform_provider_versions[provider_index] }}"
  loop: "{{ terraform_provider_versions }}"
  loop_control:
    index_var: provider_index