---
# Copyright 2018, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# TODO(odyssey4me):
# Set a fact for the selective inclusion of the build package list.
# Perhaps do this if the distro/architecture of the target host differs
# from the build host.

- name: Install distro packages for venv build
  package:
    name: "{{ venv_build_distro_package_list + venv_install_distro_package_list }}"
    state: "{{ venv_distro_package_state }}"
    update_cache: "{{ (ansible_pkg_mgr in ['apt', 'zypper']) | ternary('yes', omit) }}"
    cache_valid_time: "{{ (ansible_pkg_mgr == 'apt') | ternary(venv_distro_cache_valid_time, omit) }}"
  when:
    - (venv_build_distro_package_list | length > 0) or
      (venv_install_distro_package_list | length > 0)
  register: _install_distro_packages
  until: _install_distro_packages is success
  retries: 5
  delay: 2

- name: Ensure a fresh venv_install_destination_path if venv_rebuild is enabled
  file:
    path: "{{ venv_install_destination_path }}"
    state: absent
  when:
    - venv_rebuild | bool

# NOTE(odyssey4me):
# Not using --always-copy for CentOS/SuSE due to
# https://github.com/pypa/virtualenv/issues/565
- name: Create the virtualenv (if it does not exist)
  command: >-
    virtualenv
    {{ _venv_create_extra_options }}
    --python={{ venv_python_executable }}
    {{ (ansible_pkg_mgr == 'apt') | ternary('--always-copy', '') }}
    {{ venv_install_destination_path }}
  args:
    creates: "{{ venv_install_destination_path }}/bin/activate"

- name: Upgrade pip/setuptools/wheel to the versions we want
  pip:
    name:
      - pip
      - setuptools
      - wheel
    state: "{{ venv_pip_package_state }}"
    virtualenv: "{{ venv_install_destination_path }}"
    extra_args: >-
      --log /var/log/python_venv_build.log
      {{ venv_pip_install_args }}
  register: _update_virtualenv_packages
  until: _update_virtualenv_packages is success
  retries: 5
  delay: 2

- name: Install python packages into the venv
  pip:
    name: "{{ venv_pip_packages }}"
    state: "{{ venv_pip_package_state }}"
    virtualenv: "{{ venv_install_destination_path }}"
    extra_args: >-
      --log /var/log/python_venv_build.log
      {{ venv_pip_install_args }}
  register: _install_venv_pip_packages
  until: _install_venv_pip_packages is success
  retries: 5
  delay: 2
  notify:
    - venv changed