ansible/roles/virt-nets/tasks/main.yml

# Copyright 2017-present Open Networking Foundation
#
# 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.


---
# virt-nets/tasks/main.yml

- name: Install libvirt/lxml python module
  apt:
    name: "{{ item }}"
    update_cache: yes
    cache_valid_time: 3600
  with_items:
    - python-libvirt
    - python-lxml

- name: collect libvirt network facts
  virt_net:
    command: facts

- name: Tear down libvirt's default network
  when: ansible_libvirt_networks["default"] is defined
  virt_net:
    command: "{{ item }}"
    name: "default"
  with_items:
    - destroy
    - undefine

# note, this isn't idempotent, so may need manual fixing if it changes
- name: Define libvirt networks settings (IP/DHCP/DNS)
  when: "{{ ansible_libvirt_networks[item.name] is not defined }}"
  virt_net:
    name: "{{ item.name }}"
    command: define
    xml: "{{ lookup('template', 'virt_net.xml.j2') }}"
  with_items: "{{ virt_nets }}"

- name: Collect libvirt network facts after defining new network
  virt_net:
    command: facts

- name: Start libvirt networks
  when: "{{ ansible_libvirt_networks[item.name].state != 'active' }}"
  virt_net:
    name: "{{ item.name }}"
    command: create
    autostart: yes
  with_items: "{{ virt_nets }}"

- name: Have libvirt networks automatically start on reboot
  when: "{{ ansible_libvirt_networks[item.name].autostart != 'yes' }}"
  virt_net:
    name: "{{ item.name }}"
    autostart: yes
  with_items: "{{ virt_nets }}"