---
# Copyright 2016, Logan Vig <logan2211@gmail.com>
#
# 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.

- block:
    - name: Get Modern PIP to local
      local_action:
        module: get_url
        url: "{{ pip_upstream_url }}"
        dest: "/tmp/get-pip.py"
        force: "yes"
        validate_certs: "{{ pip_validate_certs }}"
      register: get_pip_local
      until: get_pip_local is success
      retries: 5
      delay: 2
      run_once: yes
      notify:
        - Clean up local get-pip.py
      tags:
        - pip-install-local
        - pip-install-script

  rescue:
    - name: Get Modern PIP using fallback URL to local
      local_action:
        module: get_url
        url: "{{ pip_fallback_url }}"
        dest: "/tmp/get-pip.py"
        force: "yes"
        validate_certs: "{{ pip_validate_certs }}"
      when: get_pip_local  is failed
      register: get_pip_local_fallback
      until: get_pip_local_fallback is success
      retries: 5
      delay: 2
      run_once: yes
      notify:
        - Clean up local get-pip.py
      tags:
        - pip-install-local
        - pip-install-script

- name: Create local pip package cache
  local_action:
    module: file
    path: "{{ pip_tmp_packages }}"
    state: directory
  run_once: yes
  notify:
    - Clean up local install cache
  tags:
    - pip-install-local

- name: pip cache install files locally
  local_action: >
    command python /tmp/get-pip.py
                   -d '{{ pip_tmp_packages | quote }}'
                   {{ (pip_install_upper_constraints is defined) |
                      ternary('--constraint ' ~ pip_install_upper_constraints | default(''), '') }}
                   {{ pip_get_pip_options }}
                   {{ pip_packages | map('quote') | join (' ') }}
  changed_when: pip_local_cache.stdout.find('Successfully downloaded') != -1
  register: pip_local_cache
  until: pip_local_cache is success
  retries: 3
  delay: 2
  notify:
    - Clean up local install cache

- name: Distribute the modern PIP installer
  copy:
    src: "/tmp/get-pip.py"
    dest: "/opt/get-pip.py"
  tags:
    - pip-install-local
    - pip-install-script

- name: Distribute PIP install files
  copy:
    src: "{{ pip_tmp_packages }}/"
    dest: "{{ pip_tmp_packages }}"
  notify:
    - Clean up remote install files
  tags:
    - pip-install-cache-distribute
    - pip-install

- name: Set source install pip_get_pip_options
  set_fact:
    pip_source_install_options: "--no-index --find-links={{ pip_tmp_packages | quote }}"