---
# Copyright 2015, 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.

- name: Initialize local facts
  ini_file:
    dest: "/etc/ansible/facts.d/openstack_ansible.fact"
    section: repo_build
    option: "{{ item }}"
    value: False
  with_items:
    - "need_wheel_build"
    - "need_venv_build"
  when:
    - "(ansible_local is not defined) or
       ('openstack_ansible' not in ansible_local) or
       ('repo_build' not in ansible_local['openstack_ansible']) or
       ('need_wheel_build' not in ansible_local['openstack_ansible']['repo_build']) or
       ('need_venv_build' not in ansible_local['openstack_ansible']['repo_build'])"

- name: Create package directories
  file:
    path: "{{ item }}"
    state: directory
    owner: "{{ repo_build_service_user_name }}"
  with_items:
    - "{{ repo_build_release_path }}"
    - "{{ repo_build_global_links_path }}"

- name: Build package requirements file
  template:
    src: "requirements.txt.j2"
    dest: "{{ repo_build_release_path }}/requirements.txt"
  register: _wheel_build_requirements

- include: repo_clone_git.yml
  when:
    - (repo_build_git_reclone | bool) or
      (_wheel_build_requirements | changed)
  tags:
    - repo-clone-repos

- name: Retrieve upper constraints content
  slurp:
    src: "{{ repo_build_git_dir }}/requirements/upper-constraints.txt"
  register: slurp_upper_constraints

- name: Decode the upper constraints content
  set_fact:
    upper_constraints: "{{ slurp_upper_constraints.content | b64decode | splitlines }}"

- name: Build package constraints file
  template:
    src: "requirements_constraints.txt.j2"
    dest: "{{ repo_build_release_path }}/requirements_constraints.txt"
  register: _wheel_build_constraints

- name: Record whether a wheel build is required
  ini_file:
    dest: "/etc/ansible/facts.d/openstack_ansible.fact"
    section: repo_build
    option: "need_wheel_build"
    value: True
  when:
    - (_wheel_build_requirements | changed) or
      (_wheel_build_constraints | changed) or
      (repo_build_wheel_rebuild | bool)

- name: Record whether a venv build is required
  ini_file:
    dest: "/etc/ansible/facts.d/openstack_ansible.fact"
    section: repo_build
    option: "need_venv_build"
    value: True
  when:
    - (_wheel_build_requirements | changed) or
      (_wheel_build_constraints | changed) or
      (repo_build_wheel_rebuild | bool) or
      (repo_build_venv_rebuild | bool)

# Note(odyssey4me):
# To cater for a situation where the pip packages are changing, but the repo
# does not yet have the package built, we need to ensure that this task can
# fetch from pypi. To do this we try the local repo first, then fall back to
# using pypi.
- name: Try installing from the repo first, then fall back to using pypi
  tags:
    - repo-build-install
  block:
    - name: Install pip packages (from repo)
      pip:
        name: "{{ repo_pip_packages }}"
        state: "{{ repo_build_pip_package_state }}"
        extra_args: >-
          --constraint {{ repo_build_release_path }}/requirements_constraints.txt
          {{ pip_install_options }}
      register: install_packages
      until: install_packages | success
      retries: 5
      delay: 5
  rescue:
    - name: Install pip packages (from pypi mirror)
      pip:
        name: "{{ repo_pip_packages }}"
        state: "{{ repo_build_pip_package_state }}"
        extra_args: >-
          --index-url {{ repo_build_pip_default_index }}
          --trusted-host {{ repo_build_pip_default_index | netloc_no_port }}
          --constraint {{ repo_build_release_path }}/requirements_constraints.txt
          {{ pip_install_options }}
      register: install_packages
      until: install_packages | success
      retries: 5
      delay: 5

- name: Create repo log directory
  file:
    path: /var/log/repo
    state: directory