---
# Create a virtualenv for ansible modules to use on the remote target systems
# when running kayobe.

- name: Ensure a virtualenv exists for kayobe
  hosts: seed:seed-hypervisor:overcloud:infra-vms
  gather_facts: False
  tags:
    - kayobe-target-venv
  tasks:
    - name: Set a fact about the kayobe target virtualenv
      set_fact:
        virtualenv: "{{ ansible_python_interpreter | dirname | dirname }}"
      when:
        - ansible_python_interpreter is defined
        - not ansible_python_interpreter.startswith('/bin')
        - not ansible_python_interpreter.startswith('/usr/bin')

    - block:
        - name: Gather facts
          setup:
            filter: "{{ kayobe_ansible_setup_filter }}"
            gather_subset: "{{ kayobe_ansible_setup_gather_subset }}"
          when: not ansible_facts
          register: gather_facts

        - name: Ensure the Python virtualenv package is installed
          package:
            name: python3-virtualenv
            state: present
            cache_valid_time: "{{ apt_cache_valid_time if ansible_facts.os_family == 'Debian' else omit }}"
            update_cache: "{{ True if ansible_facts.os_family == 'Debian' else omit }}"
          become: True

        - name: Ensure global virtualenv directory exists
          file:
            path: "{{ virtualenv_path }}"
            state: directory
            owner: "{{ ansible_facts.user_uid }}"
            group: "{{ ansible_facts.user_gid }}"
            mode: 0755
          # Check whether the virtualenv directory is a subdirectory of the
          # global virtualenv directory.
          when: virtualenv.startswith(virtualenv_path)
          become: True

        - name: Ensure kayobe virtualenv directory exists
          file:
            path: "{{ virtualenv }}"
            state: directory
            owner: "{{ ansible_facts.user_uid }}"
            group: "{{ ansible_facts.user_gid }}"
            mode: 0700
          become: True

        - name: Ensure kayobe virtualenv has the latest version of pip installed
          pip:
            name: pip
            state: latest
            virtualenv: "{{ virtualenv }}"
            # Site packages are required for using the dnf module, which is not
            # available via PyPI.
            virtualenv_site_packages: True
            virtualenv_python: "python3.{{ ansible_facts.python.version.minor }}"

        - name: Ensure kayobe virtualenv has SELinux bindings installed
          pip:
            name: selinux
            state: latest
            virtualenv: "{{ virtualenv }}"
          when:
            - ansible_facts.os_family == 'RedHat'
      vars:
        # Use the system python interpreter since the virtualenv might not
        # exist.
        ansible_python_interpreter: /usr/bin/python3
      when: virtualenv is defined

    # If we gathered facts earlier it would have been with a different Python
    # interpreter. For gathering modes that may use a fact cache, gather facts
    # again using the interpreter from the virtual environment.
    - name: Gather facts
      setup:
        filter: "{{ kayobe_ansible_setup_filter }}"
        gather_subset: "{{ kayobe_ansible_setup_gather_subset }}"
      when:
        - virtualenv is defined
        - gather_facts is not skipped
        - lookup('config', 'DEFAULT_GATHERING') != 'implicit'

    - block:
        - name: Ensure Python setuptools and pip packages are installed
          vars:
            packages:
              - python3-setuptools
              - python3-pip
          package:
            name: "{{ packages | select | list }}"
            state: present
          become: True
      when: virtualenv is not defined