---
# Copyright 2017, BBC R&D
#
# 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: Configure BTRFS sparse file
  hosts: localhost
  user: root
  become: true
  connection: local
  tasks:
    - name: Install BTRFS packages
      package:
        name: "{{ btrfs_package[ansible_pkg_mgr | lower] }}"
        state: present

    - name: Create base directories
      file:
        path: "/var/lib"
        state: "directory"

    - name: Create sparse file
      command: "truncate -s 1024G /var/lib/sparse-file.img"
      args:
        creates: /var/lib/sparse-file.img
      register: sparse_file

    - name: Format the sparse file
      filesystem:
        fstype: btrfs
        dev: /var/lib/sparse-file.img
      when:
        - sparse_file  is changed
  vars:
    btrfs_package:
      apt: "btrfs-tools"
      yum: "btrfs-progs"
      zypper: "btrfsprogs"