---
####################################################################
# WARNING: These are designed specifically for Ansible tests       #
# and should not be used as examples of how to write Ansible roles #
####################################################################

# setup etcd3 for integration tests on module/lookup
# (c) 2017,  Jean-Philippe Evrard <jean-philippe@evrard.me>
# 2020, SCC France, Eric Belhomme <ebelhomme@fr.scc.com>

# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.

# ============================================================

# setup etcd3 for supported distros
- block:

  - name: python 2
    set_fact:
      python_suffix: ""
    when: ansible_python_version is version('3', '<')

  - name: python 3
    set_fact:
      python_suffix: "-py3"
    when: ansible_python_version is version('3', '>=')

  - include_vars: '{{ item }}'
    with_first_found:
      - files:
          - '{{ ansible_distribution }}-{{ ansible_distribution_major_version }}{{ python_suffix }}.yml'
          - '{{ ansible_distribution }}-{{ ansible_distribution_version }}{{ python_suffix }}.yml'
          - '{{ ansible_os_family }}-{{ ansible_distribution_major_version }}{{ python_suffix }}.yml'
          - '{{ ansible_os_family }}{{ python_suffix }}.yml'
          - 'default{{ python_suffix }}.yml'
          - 'default.yml'
        paths: '../vars'

  - name: Upgrade setuptools python2 module
    pip:
      name: setuptools<45
      extra_args: --upgrade
      state: present
    when: python_suffix == ''

  - name: Install etcd3 python modules
    pip:
      name: "{{ etcd3_pip_module }}"
      extra_args: --only-binary grpcio
      state: present

  # Check if re-installing etcd3 is required
  - name: Check if etcd3ctl exists for re-use.
    shell: "ETCDCTL_API=3 {{ etcd3_path }}/etcdctl --endpoints=localhost:2379 get foo"
    args:
      executable: /bin/bash
    changed_when: false
    failed_when: false
    register: _testetcd3ctl

  - block:
    # Installing etcd3
    - name: If can't reuse, prepare download folder
      file:
        path: "{{ etcd3_download_location }}"
        state: directory
      register: _etcddownloadexists
      when:
        - _testetcd3ctl.rc != 0

    - name: Delete download folder if already exists (to start clean)
      file:
        path: "{{ etcd3_download_location }}"
        state: absent
      when:
        - _etcddownloadexists is not changed

    - name: Recreate download folder if purged
      file:
        path: "{{ etcd3_download_location }}"
        state: directory
      when:
        - _etcddownloadexists is not changed

    - name: Download etcd3
      unarchive:
        src: "{{ etcd3_download_url }}"
        dest: "{{ etcd3_download_location }}"
        remote_src: yes

    # Running etcd3 and kill afterwards if it wasn't running before.
    - name: Run etcd3
      shell: "{{ etcd3_path }}/etcd &"
      register: _etcd3run
      changed_when: true

#    - name: kill etcd3
#      command: "pkill etcd"

    when:
      - _testetcd3ctl.rc != 0

  when:
  - ansible_distribution | lower ~ "-" ~ ansible_distribution_major_version | lower != 'centos-6'