# Copyright (c) 2017-2018 Intel Corporation.
#
# 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: Destroy old networks created by virt
  virt_net:
    name: "{{ network_item.name }}"
    command: destroy
  when: network_item.name in virt_nets.list_nets

# Ignoring erros as network can be created without being defined.
# This can happen if a user manually creates a network using the virsh command.
# If the network is not defined the undefine code will throw an error.
- name: Undefine old networks defined by virt
  virt_net:
    name: "{{ network_item.name }}"
    command: undefine
  when: network_item.name in virt_nets.list_nets
  ignore_errors: yes

- name: Check if "ovs-vsctl" command is present
  command: which ovs-vsctl
  register: ovs_vsctl_present
  ignore_errors: yes

- name: Destroy OVS bridge if it exists
  command: ovs-vsctl --if-exists -- del-br "{{ network_item.name }}"
  when: ovs_vsctl_present.rc == 0

- name: Check if linux bridge is present
  stat: path="{{ '/sys/class/net/'+network_item.name+'/brif/' }}"
  register: check_linux_bridge

- name: Remove linux bridge if it exists
  shell: |
    ifconfig "{{ network_item.name }}" down
    brctl delbr "{{ network_item.name }}"
  when: check_linux_bridge.stat.exists