---
# 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
  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:

        - name: Ensure the Python virtualenv package is installed
          package:
            name: python{{ ansible_python.version.major }}-virtualenv
            state: present
          become: True

        - name: Ensure global virtualenv directory exists
          file:
            path: "{{ virtualenv_path }}"
            state: directory
            owner: "{{ ansible_user_uid }}"
            group: "{{ ansible_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_user_uid }}"
            group: "{{ ansible_user_gid }}"
            mode: 0700
          become: True

        - name: Ensure pip is installed
          easy_install:
            name: pip
            virtualenv: "{{ virtualenv }}"
            virtualenv_site_packages: True
          when:
            - ansible_os_family == 'RedHat'
            - ansible_distribution_major_version | int == 7

        - 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 yum and selinux python
            # modules, which are not available via PyPI.
            virtualenv_site_packages: True
            virtualenv_python: "python{{ ansible_python.version.major }}.{{ ansible_python.version.minor }}"

        # NOTE(mgoddard): SELinux python bindings available on PyPI only work
        # with Python 3 on CentOS 8.
        - name: Ensure kayobe virtualenv has SELinux bindings installed
          pip:
            name: selinux
            state: latest
            virtualenv: "{{ virtualenv }}"
          when:
            - ansible_os_family == 'RedHat'
            - ansible_distribution_major_version | int >= 8
      vars:
        # Use the system python interpreter since the virtualenv might not
        # exist.
        ansible_python_interpreter: /usr/libexec/platform-python
      when: virtualenv is defined

    - block:
        - name: Ensure Python setuptools and pip packages are installed
          vars:
            packages:
              - python{{ ansible_python.version.major }}-setuptools
              - "{% if ansible_distribution_major_version | int >= 8 %}python3-pip{% endif %}"
          package:
            name: "{{ packages | select }}"
            state: present
          become: True

        - name: Ensure pip is installed
          easy_install:
            name: pip
          become: True
          when:
            - ansible_os_family == 'RedHat'
            - ansible_distribution_major_version | int == 7
      when: virtualenv is not defined