playbooks/roles/prepare-libvirt/tasks/main.yml

---
# ============LICENSE_START=======================================================
#  Copyright (C) 2019 The Nordix Foundation. All rights reserved.
# ================================================================================
# 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.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=========================================================

- name: "Load distribution defaults"
  include_vars: "{{ ansible_os_family | lower }}.yml"

- name: "Restart libvirt service"
  service:
    name: "{{ libvirt_service_name }}"
    state: restarted

# NOTE(Shrews) We need to enable ip forwarding for the libvirt bridge to
# operate properly with dnsmasq. This should be done before starting dnsmasq.
- name: "Enable IP forwarding in sysctl"
  sysctl:
    name: "net.ipv4.ip_forward"
    value: 1
    sysctl_set: yes
    state: present
    reload: yes

# NOTE(Shrews) Ubuntu packaging+apparmor issue prevents libvirt from loading
# the ROM from /usr/share/misc.
- name: "Look for sgabios in {{ sgabios_dir }}"
  stat: path={{ sgabios_dir }}/sgabios.bin
  register: test_sgabios_qemu

- name: "Look for sgabios in /usr/share/misc"
  stat: path=/usr/share/misc/sgabios.bin
  register: test_sgabios_misc

- name: "Place sgabios.bin"
  command: cp /usr/share/misc/sgabios.bin /usr/share/qemu/sgabios.bin
  when:
    - not test_sgabios_qemu
    - test_sgabios_misc

# NOTE(TheJulia): In order to prevent conflicts, stop
# dnsmasq to prevent conflicts with libvirt restarting.
# TODO(TheJulia): We shouldn't need to do this, but the
# libvirt dhcp instance conflicts withour specific config
# and taking this path allows us to not refactor dhcp at
# this moment. Our DHCP serving should be refactored
# so we don't need to do this.
- name: "Stop default dnsmasq service"
  service:
    name: dnsmasq
    state: stopped
  ignore_errors: true

# Ubuntu creates a default network when installing libvirt.
# This network uses the 192.168.122.0/24 range and thus
# conflicts with our admin network
- name: Destroy default libvirt network
  virt_net:
    name: "default"
    state: absent
    uri: "{{ vm_libvirt_uri }}"

# vim: set ts=2 sw=2 expandtab: