---

- name: "check if upper-constraints file exists"
  stat:
    path: "{{ openstack_requirements_dir }}/upper-constraints.txt"
  register: upper_constraints_file


- name: "Determine min tox version to be installed"
  when: upper_constraints_file.stat.exists == true
  block:
    - name: "Check requirements repo branch"
      ansible.builtin.command:
        cmd: git rev-parse --abbrev-ref HEAD
        chdir: "{{ openstack_requirements_dir }}"
      register: requirements_branch

    - name: "Set min tox version for OpenStack stable/zed and stable/2023.1"
      set_fact:
        tox_min_version: "3.28"
      when: requirements_branch.stdout == "stable/2023.1" or "stable/zed"

    - name: "Set min tox version for OpenStack stable/2023.2"
      set_fact:
        tox_min_version: "4.5.1"
      when: requirements_branch.stdout == "stable/2023.2"


- name: "ensure Tox is installed"
  command: >
    '{{ python_executable }}' -m pip install \
    {% if upper_constraints_file.stat.exists is true %}-c'{{ upper_constraints_file.stat.path }}'{% endif %} \
    --user 'tox>={{ tox_min_version }}{% if tox_max_version is not none %},<={{ tox_max_version }}{% endif %}'
  register: install_tox
  changed_when: "'Successfully installed' in install_tox.stdout"

- name: "set tox_executable fact"
  set_fact:
    tox_executable: "{{ python_executable }} -m tox"

- name: "get installed Tox version"
  command: "{{ tox_executable }} --version"
  register: get_tox_version

- name: "update tox_version fact"
  set_fact:
    tox_version: '{{ get_tox_version.stdout_lines | first }}'

- name: "show Tox facts"
  debug:
    msg:
      tox_executable: '{{ tox_executable }}'
      tox_version: '{{ tox_version }}'