- name: Check installed terraform version
  command: "{{ terraform_executable }} version"
  register: terraform_installed_version
  failed_when: false

- name: Install terraform
  include_tasks: install-terraform.yaml
  when:
    - terraform_installed_version.rc != 0 or
      "terraform_version != (terraform_installed_version.msg | \
       regex_replace(terraform_version_pattern, '\\g<version>'))"