---
# Copyright 2016, 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: Create base container to use for BTRFS-backed containers
  lxc_container:
    name: "{{ lxc_container_base_name }}"
    template: "download"
    state: stopped
    backing_store: "btrfs"
    template_options: "{{ lxc_cache_download_template_options }}"
  register: cache_download
  retries: 3
  delay: 10
  until: cache_download is success

- name: Set the qgroup limits
  block:
    - name: Set the qgroup size|compression limits on machines
      command: "btrfs qgroup limit {{ item }} /var/lib/lxc/{{ lxc_container_base_name }}"
      changed_when: false
      with_items:
        - "-e {{ lxc_host_machine_qgroup_space_limit }}"
        - "-c {{ lxc_host_machine_qgroup_compression_limit }}"
      when:
        - not lxc_host_machine_quota_disabled
  rescue:
    - name: Notice regarding quota system
      debug:
        msg: >-
          There was an error processing the setup of qgroups. Check the system
          to ensure they're available otherwise disable the quota system by
          setting `lxc_host_machine_quota_disabled` to true.