---
# Copyright 2019 Red Hat, Inc.
# All Rights Reserved.
#
# 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.


# "tripleo-container-manage" will search for and load any operating system variable file

# found within the "vars/" path. If no OS files are found the task will skip.
- name: Gather variables for each operating system
  include_vars: "{{ item }}"
  with_first_found:
    - skip: true
      files:
        - "{{ ansible_distribution | lower }}-{{ ansible_distribution_version | lower }}.yml"
        - "{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
        - "{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
        - "{{ ansible_distribution | lower }}.yml"
        - "{{ ansible_os_family | lower }}-{{ ansible_distribution_version.split('.')[0] }}.yml"
        - "{{ ansible_os_family | lower }}.yml"
  tags:
    - always

- name: Create container logs path
  file:
    path: "{{ tripleo_container_manage_log_path }}"
    state: directory
    owner: root
    group: root
  become: true

- name: Create ansible-managed dropin file
  copy:
    dest: "{{ tripleo_container_manage_config | dirname }}/.ansible-managed"
    content: |
      Containers are managed by the tripleo-container-manage role in
      tripleo-ansible project. This file is used by paunch to show a warning
      if paunch is used against a deployment done with tripleo-container-manage.

- name: Generate containers configs data
  no_log: "{{ false if tripleo_container_manage_debug else true }}"
  block:
    - name: "Find all matching configs configs for in {{ tripleo_container_manage_config }}"
      find:
        paths: "{{ tripleo_container_manage_config }}"
        patterns: "{{ tripleo_container_manage_config_patterns }}"
        recurse: true
      register: matched_files
    - name: "Read config for each container in {{ tripleo_container_manage_config }}"
      slurp:
        src: "{{ item.path }}"
      register: containers_data
      loop: "{{ matched_files.files }}"
    - name: Prepare container hashes from config
      set_fact:
        container_hash: "{'{{ item.source|basename|regex_replace('^hashed-','')|regex_replace('.json$','') }}': {{ item.content|b64decode|from_json }} }"
      register: container_hashes
      loop: "{{ containers_data['results'] }}"
    - name: Compile container hashes from results
      set_fact:
        container_hash: "{{ item.ansible_facts.container_hash | combine(item.ansible_facts.container_hash) }}"
      register: container_hashes
      loop: "{{ container_hashes.results }}"
    - name: Finalise hashes for all containers
      set_fact:
        all_containers_hash: >-
          {{ container_hashes.results | map(attribute='ansible_facts.container_hash') |
          list | singledict(merge_with=tripleo_container_manage_config_overrides) }}

- name: "Manage systemd shutdown files"
  become: true
  when:
    - tripleo_container_manage_systemd_order
  block:
    - name: Check if /usr/lib/systemd/system-preset/91-tripleo-container-shutdown.preset exists
      stat:
        path: /usr/lib/systemd/system-preset/91-tripleo-container-shutdown.preset
      register: tripleo_container_shutdown
    - name: Include tasks for systemd shutdown service
      include_tasks: shutdown.yml
      when:
        - not tripleo_container_shutdown.stat.exists

- name: "Manage containers from {{ tripleo_container_manage_config }}"
  when:
    - tripleo_container_manage_cli == 'podman'
  become: true
  block:
    - name: "Delete containers from {{ tripleo_container_manage_config }}"
      include_tasks: delete.yml
    - name: "Create containers from {{ tripleo_container_manage_config }}"
      include_tasks: create.yml
    - name: "Show all container commands for {{ tripleo_container_manage_config }}"
      debug:
        msg: "{{ all_containers_commands }}"
      when:
        - ansible_check_mode|bool