---
# 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: Download LibVirt CPU map configuration script
  get_url:
    url: "http://git.openstack.org/cgit/openstack-dev/devstack/plain/tools/cpu_map_update.py"
    dest: /openstack/cpu_map_update.py
    validate_certs: yes
    mode: 755
  register: libvirt_cpu_map_download
  tags:
    - libvirt-cpu-map-download

# Update the libvirt cpu map with a gate64 cpu model. This enables nova
# live migration for 64bit guest OSes on heterogenous cloud "hardware".
- name: Execute LibVirt CPU map configuration script
  shell: /openstack/cpu_map_update.py /usr/share/libvirt/cpu_map.xml
  when: libvirt_cpu_map_download | changed
  tags:
    - libvirt-cpu-map-updated

# libvirt detects various settings on startup, as we potentially changed
# the system configuration (modules, filesystems), we need to restart
# libvirt to detect those changes. Use a stop start as otherwise the new
# cpu_map is not loaded properly on some systems (Ubuntu).
- name: Stop libvirt-bin
  service:
    name: "{{ servicename_libvirt }}"
    state: stopped
  when: libvirt_cpu_map_download | changed
  tags:
    - libvirt-service-stop

- name: Start libvirt-bin
  service:
    name: "{{ servicename_libvirt }}"
    state: started
  when: libvirt_cpu_map_download | changed
  tags:
    - libvirt-service-start