---
# Copyright 2018, 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 witing, 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: Save VM disk images for re-use
  hosts: vm_hosts
  gather_facts: "{{ gather_facts | default(true) }}"
  environment: "{{ deployment_environment_variables | default({}) }}"
  tags:
    - save-vms
  tasks:
    - name: Gather variables for each operating system
      include_vars: "{{ item }}"
      with_first_found:
        - "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}-{{ ansible_distribution_version | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_os_family | lower }}.yml"
      tags:
        - always

    - name: Stop running VMs
      command: "virsh destroy {{ hostvars[item]['server_hostname'] }}"
      failed_when: false
      when:
        - hostvars[item]['server_vm'] | default(false) | bool
      with_items: "{{ groups['pxe_servers'] }}"

    - name: Save VM Disk Image
      command: >-
        mv
        /var/lib/libvirt/images/{{ hostvars[item]['server_hostname'] }}.img
        /var/lib/libvirt/images/{{ hostvars[item]['server_hostname'] }}-base.img
      when:
        - hostvars[item]['server_vm'] | default(false) | bool
      with_items: "{{ groups['pxe_servers'] }}"