---
# Copyright 2014, 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: Set LXC cache path fact
  set_fact:
    cache_path_fact: "{{ lxc_container_cache_path }}/{{ lxc_cache_map.distro }}/{{ lxc_cache_map.release }}/{{ lxc_cache_map.arch }}/{{ lxc_cache_default_variant }}"
    cache_index_item: "{{ lxc_cache_map.distro }};{{ lxc_cache_map.release }};{{ lxc_cache_map.arch }};{{ lxc_cache_default_variant }}"
    cache_time: "{{ ansible_date_time.epoch }}"
  tags:
    - always

- name : Check cached image status
  command: "machinectl image-status {{ lxc_container_base_name }}"
  register: cache_check
  changed_when: false
  failed_when: false
  tags:
    - always

- name: Retrieve the expiry object
  slurp:
    src: "{{ cache_path_fact }}/expiry"
  failed_when: false
  register: expiry
  when:
    - not lxc_image_cache_refresh | bool
  tags:
    - always

- name: Set cache refresh fact
  set_fact:
    lxc_image_cache_refresh: true
  when: >
    (cache_check.rc != 0) or
    cache_time >= (expiry.content|default('MQo=') | b64decode)
  tags:
    - always

- include: lxc_cache_preparation.yml
  when:
    - lxc_image_cache_refresh | bool
  tags:
    - lxc_hosts-config

- include: lxc_cache_create.yml
  when:
    - lxc_image_cache_refresh | bool
  tags:
    - lxc_hosts-config