---
# 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: Make sure libvirt is started
  service:
    name: "{{ libvirt_service_name }}"
    state: "started"

- name: Check the state of the default qemu save directory
  stat:
    path: "/var/lib/libvirt/qemu/save"
  until: _qemu_save_dir.stat.exists | bool
  retries: 5
  delay: 10
  failed_when: false
  register: _qemu_save_dir

- name: Check if the qemu save directory is empty
  command: 'ls -1A /var/lib/libvirt/qemu/save'
  changed_when: false
  register: _qemu_save_dir_contents
  when:
    - _qemu_save_dir.stat.isdir is defined
    - _qemu_save_dir.stat.isdir | bool

- name: Move the existing save directory to nova_libvirt_save_path
  command: "mv /var/lib/libvirt/qemu/save {{ nova_libvirt_save_path }}"
  when:
    - _qemu_save_dir.stat.isdir is defined
    - _qemu_save_dir.stat.isdir | bool
    - _qemu_save_dir_contents.stdout_lines | length == 0

- name: Create the new save directory
  file:
    path: "{{ nova_libvirt_save_path }}"
    state: directory

- name: Symlink qemu save dir to nova_libvirt_save_path
  file:
    src: "{{ nova_libvirt_save_path }}"
    dest: "/var/lib/libvirt/qemu/save"
    state: link
    owner: "{{ nova_qemu_user }}"
    group: "{{ nova_qemu_group }}"